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JP2006310961

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DESCRIPTION JP2006310961
To provide a speaker device which can reduce the number of parts of a mold and can be easily
managed in units of component parts. A speaker device is manufactured when a first cabinet to
which a speaker unit is attached, a second cabinet that engages with the first cabinet, and a first
cabinet and a second cabinet are engaged. A character display and a bracket mounting side panel
attached to one side surface of the cabinet or the other side surface opposite to the one side
surface are provided. When it is necessary to provide at least a pair of speaker devices for the left
and right channels in the vehicle interior, each component of the first cabinet, the second cabinet,
the character display side panel and the bracket mounting side panel is for the left channel And
the speaker device for the right channel can be shared. [Selected figure] Figure 1
Speaker device
[0001]
The present invention relates to the structure of a housing in a speaker device.
[0002]
Conventionally, in-vehicle speakers are generally used in a state where they are attached to a
door inner panel or a rear tray provided behind a rear seat.
However, since there are car models that do not have a rear tray, an on-vehicle speaker that can
be mounted at a place other than the rear tray is desired.
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[0003]
With such a background, in recent years, it will be put to practical use as a satellite-type speaker
etc., and the car-mounted speaker used in a state other than the rear tray, for example, attached
to a trim or assist grip etc. It has been reached.
[0004]
When using such a satellite type speaker for vehicles, a pair of speakers for left and right
channels are usually used.
In this case, one of the pair of speakers is, for example, used in a state attached to a rear trim
present on the rear left side of the vehicle compartment, and the other is attached to a rear tray
existing on the rear right side, for example Used in Therefore, the speaker for the left channel
plays a role of radiating the sound wave to the space on the left side in the vehicle compartment
with respect to the traveling direction of the vehicle, and the speaker for the right channel
performs the function in the vehicle compartment with respect to the traveling direction of the
vehicle. It plays a role of emitting sound waves to the space on the right.
[0005]
As a speaker of this type, for example, a vehicle-mounted ceiling-hanging speaker having a
speaker attachment structure that does not require cutting of a lining material of a vehicle and
has a simple attachment is proposed (see, for example, Patent Document 1) ). In this speaker, the
speaker case is spherically pivotable so that the radiation center of sound can be directed to the
occupants and the like of the rear seat.
[0006]
In addition, an on-vehicle speaker attachment device for easily attaching a speaker cabinet to a
place other than the rear tray has been proposed (see, for example, Patent Document 2). The onvehicle speaker attachment device described in Patent Document 2 includes a first engagement
portion engaged with the upper edge of the rear gate in the vehicle, a second engagement
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portion engaged with the upper edge of the side gate, and the first engagement portion. It is
comprised from the joint part and the shaft rotatably connected with the 2nd engaging part. The
speaker cabinet is fixed so as to be sandwiched by the shaft and the in-vehicle ceiling. For this
reason, the speaker cabinet can be easily attached to a place other than the rear tray.
[0007]
JP, 2002-144973, A JP, 10-157523, A
[0008]
In the satellite type speaker as described above, the mounting position of the mounting bracket
for mounting to the mounting portion is different between the left channel speaker and the right
channel speaker.
In addition, the mounting directions of the two speakers are different. For this reason, the left
channel speaker and the right channel speaker are respectively formed into a left channel cabinet
and a right channel cabinet separately to constitute left and right channel speakers. As described
above, since the components such as the cabinet are separately made by the speaker for the left
channel and the speaker for the right channel, the number of parts of the mold is increased, and
the parts are separately prepared and managed from the component level stage There is a
problem of having to
[0009]
As problems to be solved by the present invention, the above-mentioned ones can be mentioned
as an example. An object of the present invention is to provide a speaker device which can
reduce the number of parts of a mold and easily manage each component part.
[0010]
The invention according to claim 1 is that the speaker device includes a first cabinet to which a
speaker unit is attached, a second cabinet fitted with the first cabinet, the first cabinet, and the
second cabinet And first and second side panels attached to one side of the first cabinet and the
second cabinet or the other side opposite to the one side when the first cabinet and the second
cabinet are fitted together, The side surface and the other side surface are formed in the same
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shape, and each of the first side panel and the second side panel is formed in a shape fitted to the
one side surface and the other side surface. It is characterized by
[0011]
In one aspect of the present invention, a speaker device includes a first cabinet to which a
speaker unit is attached, a second cabinet that fits with the first cabinet, the first cabinet, and the
second cabinet. And a first side panel and a second side panel attached to the other side opposite
to the one side or the one side of the first cabinet and the second cabinet when the first and
second cabinets are fitted, The other side surface is formed in the same shape, and each of the
first side panel and the second side panel is formed in a shape to be fitted to the one side surface
and the other side surface.
[0012]
The above-mentioned speaker device is fitted with a first cabinet to which a speaker unit as a
sound source is attached, a second cabinet fitted with the first cabinet, and a first cabinet and a
second cabinet. It comprises and comprises first and second side panels attached to one side of
the first cabinet and the other side of the second cabinet or the other side opposite to the one
side of the first and second cabinets.
Here, for convenience, a combination of the first cabinet and the second cabinet is simply
referred to as a "cabinet".
[0013]
In particular, in this speaker device, one side of the cabinet and the other side of the cabinet are
formed in the same shape, and each of the first side panel and the second side panel is either the
one side or the side. It is formed in the shape fitted with the other side.
In a preferred example, the shape of the first side panel attached to the one side or the other side
is the shape of the second side panel attached to the one side or the other side It is almost the
same.
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[0014]
Therefore, when it is necessary to provide at least a pair of speaker devices for the left and right
channels in the vehicle compartment, such as a speaker device for a vehicle, the first cabinet, the
second cabinet, the first side panel and the second side Each component of the panel can be
shared by the speaker device for the left channel and the speaker device for the right channel.
Therefore, compared with the speaker apparatus of the type which can not share such each
component, the number of parts of the metal mold | die for producing said each component can
be reduced. In addition, since the number of components can be reduced, management of each
component can be facilitated.
[0015]
In one aspect of the above speaker device, an opening for leading out a wire electrically
connected to a voice coil of the speaker unit is provided on the one side surface and the other
side surface of the second cabinet. While forming, the opening formed in the said one side is
formed in the position corresponding to the opening formed in the said other side.
[0016]
According to this aspect, the one side surface and the other side surface of the second cabinet are
formed with an opening for leading the wire electrically connected to the voice coil of the
speaker unit to the outside.
Thus, the wire electrically connected to the voice coil of the speaker unit can be led to the outside
through the opening. Therefore, the connection between the wiring and the output terminal on
the amplifier side becomes possible. Further, the opening formed on the one side of the second
cabinet is formed at a position corresponding to the opening formed on the other side of the
second cabinet. For this reason, while the said wiring can be derived | led-out outside through the
opening formed in the said one side, conversely, the said wiring can be derived outside through
the opening formed in the said other side. Therefore, this can be realized when it is necessary to
make the lead-out direction of the wiring different between the speaker device for the left
channel and the speaker device for the right channel. That is, the respective openings can be
shared when the speaker device for the left channel and the speaker device for the right channel
are led out to the outside.
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[0017]
In another aspect of the above speaker device, the second side panel is opened at a position
corresponding to the opening of the second cabinet when the second side panel is attached to the
one side or the other side. Have.
[0018]
According to this aspect, the second side panel has an opening at a position corresponding to the
opening of the second cabinet when the second side panel is attached to the one side or the other
side. There is.
Thus, the wire electrically connected to the voice coil of the speaker unit can be led to the outside
through the opening of the second cabinet and the opening of the second side panel.
[0019]
In another aspect of the above speaker device, the second cabinet has a mounting portion to
which a mounting bracket for mounting to a mounting portion is mounted. Therefore, by
attaching the mounting bracket (for example, mounting bracket such as a flexible arm capable of
angle adjustment) to the mounting portion of the second cabinet, the speaker device is attached
to the mounting portion via the mounting bracket. Can.
[0020]
In another aspect of the above speaker device, the first side panel has a bass reflex duct at a
position corresponding to the opening formed in the one side surface and the other side surface.
[0021]
In this aspect, the first side panel has a bass reflex duct at a position corresponding to the
opening of the second cabinet formed on the one side and the other side.
For this reason, when the first side panel is attached to the one side, a bass reflex duct can be
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provided on the one side, while, conversely, when the first side panel is attached to the other
side, A bass reflex duct can be provided on the other side. Therefore, the bass reflex duct can be
shared by the speaker device for the left channel and the speaker device for the right channel.
[0022]
Various preferred embodiments of the present invention will be described below with reference
to the drawings.
[0023]
First Embodiment (Configuration of Speaker Device) First, the configuration and the like of a
speaker device 100 according to a first embodiment of the present invention will be described
with reference to FIGS. 1 and 2.
[0024]
FIG. 1 shows respective views when the speaker device according to the first embodiment of the
present invention is observed from the front direction, the back direction, the left side and the
right side.
Specifically, FIG. 1C shows a front view of the speaker device 100, and FIG. 1A shows a rear view
of the speaker device 100. As shown in FIG.
FIG. 1B shows a left side view when the speaker device 100 in FIG. 1A is observed from the
direction of the arrow Y1. FIG. 1D is a right side view when the speaker device 100 in FIG. 1A is
observed from the arrow Y2 direction opposite to the arrow Y1 direction. 2 (a) is a crosssectional view taken along the line A-A 'in FIG. 1 (c), and FIG. 2 (b) is taken along the line B-B' in
FIG. 1 (c) Cross sections are shown respectively.
[0025]
The speaker device 100 includes a speaker unit 50 serving as a sound generation source, a
housing for housing the speaker unit 50, and a flexible arm 6 for attaching the housing to a
mounting portion. The speaker device 100 is a satellite type speaker device suitable as a vehicle-
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mounted speaker device, and when the speaker device 100 is used for vehicle-mounted, at least a
pair of speaker devices for left and right channels is used.
[0026]
First, the configuration and the like of the speaker unit 50 will be described with reference to
FIG.
[0027]
The speaker unit 50 mainly includes a magnetic circuit 30 including the yoke 10, the magnet 11,
and the plate 12, and a voice coil bobbin 13, a voice coil 14, a frame 15, a damper 16, a
diaphragm 17, an edge 18, and a vibration system 31 including a cap 19. And have.
In the present invention, the configuration and driving method of the speaker unit 50 are not
limited to the configuration and the like described below.
[0028]
First, the configuration of the magnetic circuit 30 will be described. The magnetic circuit 30 is
configured as an external magnet type magnetic circuit. The yoke 10 has a cylindrical pole
portion 10a and a flange portion 10b extending outward from the lower end portion of the outer
peripheral wall of the pole portion 10a. The magnet 11 has an annular shape and is mounted on
the flange portion 10b. The plate 12 has an annular shape and is mounted on the magnet 11.
The magnetic flux of the magnet 11 is concentrated in the air gap (magnetic gap 20) formed
between the outer peripheral wall of the pole portion 10a which is an element of the yoke 10
and the inner peripheral wall of the plate 12.
[0029]
Next, the configuration of the vibration system 31 will be described.
[0030]
The voice coil bobbin 13 has a cylindrical shape and is provided at a position covering the
vicinity of the upper end portion of the outer peripheral wall of the pole portion 10 a which is an
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element of the yoke 10.
[0031]
The voice coil 14 is formed of one wire, has positive and negative lead wires (not shown), and is
wound around the lower end of the outer peripheral wall of the voice coil bobbin 13.
The lead wire on the positive side is an input wiring of the L (or R) channel signal, and the lead
wire on the negative side is an input wiring of the ground (GND: ground) signal.
The plus and minus lead wires are respectively connected to one end side of each tinsel wire not
shown, and the other end side of each tinsel wire is respectively connected to a terminal portion
(not shown) provided at an appropriate position of the frame 15 It is done. The terminal portion
is also connected to the output wiring 25 on the amplifier side. As a result, a signal or power for
one channel is input to the voice coil 14 from the amplifier side through the terminal portion,
each tinsel wire, and each lead wire of plus and minus.
[0032]
The frame 15 has a substantially bowl-like shape, and has a function of supporting various
components constituting the speaker unit 50. The lower end of the frame 15 is mounted on the
plate 12.
[0033]
The damper 16 has an annular shape and elastically supports the voice coil bobbin 13. The inner
peripheral edge of the damper 16 is attached near the upper end of the outer peripheral wall of
the voice coil bobbin 13, while the outer peripheral edge of the damper 16 is attached at an
appropriate position in the central part of the frame 15.
[0034]
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The diaphragm 17 has a function of emitting an acoustic wave according to the input signal. The
diaphragm 17 has a cone shape. The inner peripheral edge portion of the diaphragm 17 is
attached to the upper end portion of the outer peripheral wall of the voice coil bobbin 13 and
above the damper 16.
[0035]
The edge 18 has an annular planar shape and an Ω-like cross-sectional shape, and has a function
of absorbing unnecessary vibrations and the like generated in the speaker unit 50. The inner
peripheral edge of the edge 18 is attached to the outer peripheral edge of the diaphragm 17,
while the outer peripheral edge of the edge 18 is attached to an appropriate position of the
upper end of the frame 15.
[0036]
The cap 19 has a substantially dome-like shape, and has a function of preventing dust, moisture,
and the like from entering the inside of the speaker unit 50. The cap 19 is disposed at a position
covering the upper surface side of the voice coil bobbin 13, and is attached to the upper end
portion of the outer peripheral wall of the voice coil bobbin 13.
[0037]
In the speaker unit 50 having the above configuration, the electric signal output from the output
wiring 25 on the amplifier side is supplied to the voice coil 14 through the terminal portion, each
tinsel wire, and the positive and negative lead wires of the voice coil 14. Ru. As a result, driving
force is generated in the voice coil 14 in the magnetic gap 20, and the diaphragm 17 is vibrated
in the direction of the central axis L1 of the speaker device 100. Thus, the speaker unit 50 emits
a sound wave in the direction of the arrow Y3.
[0038]
Next, the configuration and the like of a housing that accommodates the speaker unit 50 having
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10
the above-described configuration will be described. In particular, the present invention is
characterized by the structure of such a housing.
[0039]
As shown in FIGS. 1 and 2, the housing includes a first cabinet 1 to which a speaker unit 50 is
attached, a second cabinet 2 fitted with the first cabinet 1, and a first cabinet 1. In a state where
the second cabinet 2 is fitted, it is configured to include a character display side panel 3 and a
bracket mounting side panel 4 which are attached to the side surfaces thereof. In addition, below,
the thing of the state which the 1st cabinet 1 and the 2nd cabinet 2 fitted is only called "the
cabinet 70."
[0040]
First, the configuration of the first cabinet 1 will be described with reference to FIGS. 3 and 4.
[0041]
3 (a) shows a front view of the first cabinet 1, and FIG. 3 (b) shows a rear view of the first cabinet
1. As shown in FIG.
FIG. 4A shows a side view of the first cabinet 1. FIG. 4 (b) shows a cross-sectional view along the
cutting line C-C ′ in FIG. 3 (a).
[0042]
The first cabinet 1 has a substantially rectangular planar shape and a substantially triangular
side shape. The first cabinet 1 has two grills 1a, a plurality of flanges 1b and 1f, a plurality of bolt
mounting holes 1c and 1e, and two openings 1d.
[0043]
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Each grill 1a has a substantially circular outer shape, and is formed in a mesh shape by a metal
material or the like. Each of the grilles 1 a has a function of transmitting the sound wave emitted
from the diaphragm 17 which is an element of the speaker unit 50 to the outside. One of the two
grills 1 a is disposed at a symmetrical position with respect to the other grill 1 a with respect to a
central axis L 3 passing through the longitudinal center of the first cabinet 1.
[0044]
Each ridge 1 b has a concave and a wedge shape. Each flange portion 1 b is provided on the front
side of the first cabinet 1 at a predetermined distance from the central axis L 3 in the
longitudinal direction (upper side direction and lower side direction) of the first cabinet 1.
Moreover, each collar part 1b is each provided between the front side of the 1st cabinet 1 and its
left side, and between the front side of the 1st cabinet 1 and its right side. Each collar 1b is fitted
with collars 3d and 4d provided on the character display side panel 3 and the metal fitting
attachment side panel 4 described later.
[0045]
Each ridge 1 f has a concave and a wedge shape. Each flange portion 1 f is provided at each of
four corner positions on the back side of the first cabinet 1. Each flange 1f is engaged with
flanges 3b and 4b provided on the character display side panel 3 and the metal fitting
attachment side panel 4, respectively.
[0046]
Each bolt mounting hole 1c is provided on the back side of the first cabinet 1 and in the vicinity
of each flange 1f. Each of the bolt mounting holes 1c is a bolt mounting hole to be fitted with a
bolt, and is used when the first cabinet 1 and the second cabinet 2 are fitted.
[0047]
The bolt mounting holes 1 e are provided on the back side of the first cabinet 1 and in the
vicinity of the outer periphery of the grills 1 a at appropriate intervals. Each of the bolt mounting
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holes 1 e is a bolt mounting hole to be fitted with a bolt, and is used when mounting the speaker
unit 50 to the first cabinet 1.
[0048]
Each opening 1d is provided on the back side and the side of the first cabinet 1 and on the
central axis L3. Further, one of the two openings 1d is disposed at a symmetrical position with
respect to the other opening 1d with respect to a central axis L2 passing through the center of
the first cabinet 1 in the short direction. . Each of the openings 1 d is an opening for inserting a
bolt, and is used when the first cabinet 1 and the second cabinet 2 are fitted.
[0049]
Next, the configuration of the second cabinet 2 will be described with reference to FIGS. 5 and 6.
[0050]
5 (a) shows a front view of the second cabinet 2, and FIG. 5 (b) shows a rear view of the second
cabinet 2. As shown in FIG.
FIG. 5C is a side view of the mounting bracket 5 attached to the inner side surface of the second
cabinet 2 and a side view of the mounting bracket 5 as viewed in the direction of arrow Y4 in
FIG. 5B. . FIG. 6A shows a side view when the second cabinet 2 is observed from the direction of
the arrow Y4 in FIG. 5B. On the other hand, FIG. 6 (b) shows a side view when the second cabinet
2 is observed from the arrow Y5 direction opposite to the arrow Y4 direction in FIG. 5 (b).
[0051]
The second cabinet 2 has a substantially rectangular planar shape and a substantially elliptical
side shape. The second cabinet 2 includes two pairs of openings 2a, a plurality of flanges 2b and
2f, a plurality of openings 2c, a plurality of bolt mounting holes 2d, a plurality of protrusions 2e,
two openings 2g, And a pair of openings 2h.
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[0052]
The two pairs of openings 2a are fixed in the longitudinal direction (upper direction and lower
direction) from the central axis L4 passing through the longitudinal center of the second cabinet
2 on the front side of the second cabinet 2 and the second cabinet 2 They are provided at
positions separated by a distance, respectively. Further, as shown in FIG. 5, two pairs of openings
2a are provided at positions near the right side surface and left side surface of the second cabinet
2, respectively, and a pair of openings 2a provided on the right side of the drawing are provided
on the left side of the drawing. With respect to the other pair of openings 2a, they are disposed
at symmetrical positions with respect to a central axis L5 passing through the center of the
second cabinet 2 in the short direction. The projections 3a provided on the character display side
panel 3 described later and the projections 4a provided on the metal fitting attachment side
panel 4 are inserted into the two pairs of openings 2a.
[0053]
Each ridge 2 b has a concave and a wedge shape. Each flange portion 2b is provided on the front
side of the second cabinet 2 and at a distance from the central axis L4 in the longitudinal
direction (upper and lower directions) of the second cabinet 2 by a fixed distance. ing. Further, as
shown in FIG. 5, the respective ridges 2b are provided in the vicinity of the right side surface and
the left side surface of the second cabinet 2, respectively, and each ridge portion 2b provided on
the right side in the drawing is positioned on the left side in the drawing. It is arrange |
positioned symmetrically with respect to the central axis L5 which passes along the center of the
transversal direction of the 2nd cabinet 2 with respect to each collar part 2b. Furthermore, the
distance from the position of each ridge 2b to the central axis L4 is larger than the distance from
the position of each opening 2a to the central axis L4. Each collar portion 2b is fitted with each
collar portion 3c provided on the character display side panel 3 described later and each collar
portion 4c provided on the metal fitting mounting side panel 4.
[0054]
Each collar 2 f has the same shape as each collar 1 f described above. Each ridge 2 f is provided
at each of four corner positions on the back side of the second cabinet 2. Each flange portion 2 f
is engaged with the flange portions 3 b and 4 b provided respectively on the character display
side panel 3 and the metal fitting mounting side panel 4.
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[0055]
Each opening 2c is provided on the back side of the second cabinet 2 and in the vicinity of each
ridge 2f. Each opening 2 c is an opening for inserting a bolt, and is used when fitting the first
cabinet 1 and the second cabinet 2.
[0056]
Each bolt mounting hole 2d is provided on the back side of the second cabinet 2 and on the
central axis L4. Of the two bolt mounting holes 2d, one of the bolt mounting holes 2d is
symmetrical to the other bolt mounting hole 2d with respect to the central axis L5 passing
through the center of the second cabinet 2 in the short direction. It is arranged. The bolt
mounting holes 2d are provided at positions corresponding to the openings 1d provided in the
first cabinet 1 when the first cabinet 1 and the second cabinet 2 are fitted, respectively. There is.
Each bolt mounting hole 2 d is a bolt mounting hole for mounting a bolt, and is used when fitting
the first cabinet 1 and the second cabinet 2.
[0057]
Each protrusion 2 e is a protrusion-like portion formed on the inner side surface of the second
cabinet 2 at an appropriate distance. In FIG. 5 (b), each protrusion 2e is formed so as to protrude
to the front side of the drawing. Each protrusion 2 e is in contact with the inner side surface of
the first cabinet 1 in a state in which the first cabinet 1 and the second cabinet 2 are fitted, and
the protrusion 2 e of the second cabinet 2 with respect to the first cabinet 1 It works to regulate
movement.
[0058]
Each opening 2g is formed at a substantially central position of the left side surface with respect
to the longitudinal direction of the second cabinet 2 and a substantially central position of the
right side surface. One of the two openings 2g is formed at a position corresponding to the other
opening 2g. Each opening 2g has a function of leading the output wiring 25 on the amplifier side
electrically connected at the terminal portion to the voice coil 14 of the speaker unit 50 to the
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outside, that is, the amplifier side (see FIG. 1 (d)).
[0059]
The two pairs of openings 2 h are respectively formed at substantially the center position of the
left side surface and the substantially center position of the right side surface with respect to the
longitudinal direction of the second cabinet 2. Of the two pairs of openings 2h, the pair of
openings 2h is formed at a position corresponding to the other pair of openings 2h. One of the
two pairs of openings 2 h is used when attaching the mounting bracket 5. Here, the mounting
bracket 5 has a form as shown in FIGS. 5B and 5C, and has a shape in which a flat plate-like first
portion 5a and a flat plate-like second portion 5b are combined. Have. A pair of bolt mounting
holes 5c are formed in the second portion 5b. The mounting bracket 5 is mounted on the inner
side surface of the second cabinet 2 so that the pair of bolt mounting holes 5c and any one pair
of openings 2h of the two pairs of openings 2h correspond to each other. The mounting bracket
5 attached to the left inner side surface in the longitudinal direction of the second cabinet 2 and
the mounting bracket 5 mounted on the right inner side surface in the longitudinal direction of
the second cabinet 2 (FIG. 5B) The shape is different from that of the metal fitting 5), and both of
them have a symmetrical shape.
[0060]
Next, the configuration of the character display side panel 3 will be described with reference to
FIGS. 7 and 8.
[0061]
FIG. 7B shows a front view of the character display side panel 3.
FIG. 7A shows a side view when the character display side panel 3 in FIG. 7B is observed from
the direction of the arrow Y6. On the other hand, FIG. 7C shows a side view when the character
display side panel 3 in FIG. 7B is observed from the arrow Y7 direction opposite to the arrow Y6
direction. FIG. 8B shows a rear view of the character display side panel 3. FIG. 8A shows a crosssectional view along the cutting line D-D 'in FIG.
[0062]
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The character display side panel 3 is formed in a substantially plate shape. Further, the character
display side panel 3 has a shape in which a substantially mountain-shaped planar shape and a
substantially semi-elliptic planar shape are combined. Returning to FIG. 1, when the first cabinet
1 and the second cabinet 2 are fitted together, the character display side panel 3 corresponds to
the side surface of the cabinet 70 corresponding to the arrow Y1 direction (the cabinet 70 in FIG.
1). Is attached to either the left side with respect to the longitudinal direction or the side
corresponding to the arrow Y2 direction (the right side with respect to the longitudinal direction
of the cabinet 70 in FIG. 1). On the front 3x side of the character display side panel 3, characters
such as trade names, trademarks or trade names not shown are printed by silk printing or the
like. On the back surface 3y side of the character display side panel 3, a plurality of projections
3a, a pair of ridges 3b, and a plurality of ridges 3c and 3d are formed.
[0063]
Each protrusion 3a is located in the vicinity of the periphery of the portion having a substantially
semi-elliptical planar shape in FIG. 8B and from the central axis L7 passing the center in the
longitudinal direction of the character display side panel 3 (A direction and a right direction) is
formed at a position separated by a fixed distance. Each protrusion 3a is formed so as to project
to the front side in the drawing of FIG. 8 (b). Each protrusion 3 a is inserted into each opening 2
a provided in the second cabinet 2 and has a function of restricting the movement of the
character display side panel 3 with respect to the second cabinet 2.
[0064]
The pair of collar portions 3b are respectively formed in a projecting shape and a substantially L
shape, and are respectively formed on the major axis L6 of the character display side panel 3 and
in the vicinity of the peripheral portion of the character display side panel 3 . Further, of the pair
of collars 3b, one collar 3b and the other collar 3b are formed at symmetrical positions with
respect to the central axis L7. Each flange portion 3b is respectively fitted to the flange portion
1f of the first cabinet 1 and the flange portion 2f of the second cabinet 2 when the first cabinet 1
and the second cabinet 2 are fitted. .
[0065]
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Each ridge portion 3c has a projecting shape and a substantially L-shaped shape, and in the
vicinity of the peripheral portion of a portion having a substantially semi-elliptical shape in FIG.
They are formed at positions spaced apart by a constant distance in the longitudinal direction 3
(left and right directions). Further, one of the two ridges 3c and the other ridge 3c are formed in
symmetrical positions with respect to the central axis L7. Furthermore, the distance from the
position of each ridge 3c to the central axis L7 is larger than the distance from the position of
each protrusion 3a to the central axis L7. When the first cabinet 1 and the second cabinet 2 are
fitted to each other, each ridge 3 c is fitted to each ridge 2 b provided in the second cabinet 2.
[0066]
Each ridge 3d has a constant distance in the longitudinal direction (left direction and right
direction) of the character display side panel 3 from the central axis L7 in the vicinity of the
peripheral portion of the portion having a substantially mountain shape in FIG. It is formed only
at a distant position. Further, each ridge 3d is formed at a position substantially symmetrical with
each protrusion 3a with respect to the major axis L6. Each flange portion 3 d is formed to project
to the front side in the drawing of FIG. 8 (b). When the first cabinet 1 and the second cabinet 2
are fitted to each other, each ridge 3 d is fitted to each ridge 1 b provided in the first cabinet 1.
[0067]
Next, with reference to FIG.9 and FIG.10, the structure of the side panel 4 for bracket attachment
is demonstrated.
[0068]
FIG. 9 (b) shows a front view of the bracket mounting side panel 4.
Fig.9 (a) shows the side view when the metal fitting side panel 4 in FIG.9 (b) is observed from
arrow Y 9 direction. On the other hand, FIG. 9 (c) is a side view when the metal fitting attachment
side panel 4 in FIG. 9 (b) is observed from the arrow Y8 direction opposite to the arrow Y9
direction. FIG. 10 (b) shows a rear view of the bracket mounting side panel 4. FIG. 10 (a) shows a
cross-sectional view along the cutting line E-E 'in FIG. 10 (b).
10-05-2019
18
[0069]
The bracket mounting side panel 4 has substantially the same shape as the character display side
panel 3. Similar to the character display side panel 3, when the first cabinet 1 and the second
cabinet 2 are fitted together, the metal fitting attachment side panel 4 and the left side surface
with respect to the longitudinal direction of the cabinet 70 in FIG. It is attached to one of the
right side. Specifically, when the character display side panel 3 is attached to the left side with
respect to the longitudinal direction of the cabinet 70, the bracket mounting side panel 4 is
attached to the right side with respect to the longitudinal direction of the cabinet 70, while the
cabinet 70 is attached. When the bracket mounting side panel 4 is mounted on the left side
surface in the longitudinal direction, the character display side panel 3 is mounted on the right
side surface in the longitudinal direction of the cabinet 70.
[0070]
On the back surface 4y side of the metal fitting attaching side panel 4, respective elements such
as a plurality of projections 4a, a pair of flanges 4b, and a plurality of flanges 4c and 4d are
formed. Each of these elements is provided on the back surface 4y side of the metal fitting
attachment side panel 4 on the back surface 3y side of the character display side panel 3, that is,
a plurality of projections 3a, a pair of ridges 3b, Are formed at positions corresponding to the
ridges 3c and 3d. Therefore, the respective elements of the metal fitting attachment side panel 4
have the same functions as the respective elements of the character display side panel 3.
[0071]
However, when the bracket mounting side panel 4 and the character display side panel 3 are
compared, the bracket mounting side panel 4 has a groove 4g having a V shape, two pairs of
openings 4e, and one opening 4f. Is different from the character display side panel 3 in that The
groove 4g is formed on the front surface 4x side of the metal fitting attachment side panel 4, and
the metal fitting portion 6a of the flexible arm 6 is attached to the groove 4g as shown in FIG. 1
(d).
[0072]
10-05-2019
19
In addition, the flexible arm 6 is a well-known member, and plays a role as an attachment metal
fitting which attaches the speaker apparatus 100 of this invention to a to-be-attached part.
Moreover, the flexible arm 6 has a function which can adjust freely the attachment angle of the
speaker apparatus 100 with respect to a to-be-attached part. Further, a pair of openings 6b are
formed in the fitting portion 6a. In FIGS. 9B and 10B, a pair of openings 4e out of the two pairs
of openings 4e formed in the groove 4g has a central axis L8 passing through the longitudinal
center of the bracket attachment side panel 4 In contrast, they are formed at symmetrical
positions with the other pair of openings 4e. Of the two pairs of openings 4e, either one of the
pair of openings 4e is used when attaching the fitting portion 6a of the flexible arm 8 through a
bolt as shown in FIG. 1 (d).
[0073]
One opening 4 f is formed near the approximate center of the groove 4 g. Further, one opening 4
f is formed at a position corresponding to the opening 2 g provided in the second cabinet 2 when
the bracket mounting side panel 4 is attached to the side surface of the cabinet 70. One opening
4 f has a function of leading the output wiring 25 on the amplifier side electrically connected to
the voice coil 14 which is an element of the speaker unit 50 to the amplifier side.
[0074]
By combining the first cabinet 1, the second cabinet 2, the character display side panel 3 and the
bracket attachment side panel 4 having the above-described configuration, a housing for housing
the speaker unit 50 is manufactured. . In addition, the speaker unit 50 shown in FIGS. 1 and 2 is
configured by housing the speaker unit 50 in the housing.
[0075]
(Method of Manufacturing Speaker Device) Next, a method of manufacturing the speaker device
100 will be described with reference to the appropriate drawings described above. In addition,
the preparation order shown below is an example to the last, and the order can be changed
suitably.
[0076]
10-05-2019
20
First, the mounting bracket 5 is attached to the inner side surface of the second cabinet 2.
Specifically, in a state where the positions of an arbitrary pair of openings 2h of the two pairs of
openings 2h provided in the second cabinet 2 and the pair of bolt mounting holes 5c of the
mounting bracket 5 are made to coincide with each other, The mounting bracket 5 is attached to
the inner side surface of the second cabinet 2. The state where the mounting bracket 5 is
attached to the inner side surface of the second cabinet 2 in this manner is shown in FIGS. 2 (b)
and 5 (b).
[0077]
Next, the speaker unit 50 is attached to the back side of the first cabinet 1. Specifically, first, each
opening (not shown) provided at an appropriate position of the frame 15, which is an element of
the speaker unit 50, and each bolt mounting hole 1e provided in the corresponding first cabinet
1 Alignment is performed, and the speaker unit 50 is disposed at a position corresponding to the
grille 1 a on the back side of the first cabinet 1. Subsequently, each bolt is inserted into each
opening of the speaker unit 50 from the back side of the first cabinet 1, and each bolt is attached
to each bolt mounting hole 1e. Thus, a state in which the speaker unit 50 is attached to the back
side of the first cabinet 1 is shown in FIG.
[0078]
Next, the first cabinet 1 and the second cabinet 2 are fitted to produce a cabinet 70. Specifically,
the back side of the first cabinet 1 and the back side of the second cabinet 2 are fitted to each
other while facing each other. Thus, the cabinet 70 is manufactured. The state in which the first
cabinet 1 and the second cabinet 2 are fitted is shown in FIGS. 11 (a) and 11 (b), respectively.
Here, FIG. 11A shows a right side view of the cabinet 70 as viewed in the direction of the arrow
Y2 in FIG. 1C. On the other hand, FIG. 11 (b) shows a left side view of the cabinet 70 when
observed in the arrow Y1 direction opposite to the arrow Y2 direction in FIG. 1 (c). At this time,
the output wiring 25 on the amplifier side electrically connected to the voice coil 14 which is an
element of the speaker unit 50 is led to the outside of the cabinet 70 through one opening 2 g
provided in the second cabinet 2. Keep it.
[0079]
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21
When observing the cabinet 70 manufactured in this way, as shown in FIG. 11, the left side
surface of the cabinet 70 and the right side surface of the cabinet 70 have the same shape, and
the side surfaces thereof are side panels for character display It is shaped to fit with the back
side of 3 and the back side of the side panel 4 for fitting attachment. Furthermore, each element
such as a ridge or an opening provided on the left side surface of the cabinet 70 is disposed at a
position corresponding to each element such as a ridge or an opening provided on the right side
surface of the cabinet 70.
[0080]
Next, as an example here, the bracket mounting side panel 4 is attached to the right side surface
with respect to the longitudinal direction of the cabinet 70. Of course, in the present invention, it
is possible to attach the bracket mounting side panel 4 to the left side surface of the cabinet 70
in the longitudinal direction. Specifically, the back surface side of the bracket mounting side
panel 4 and the right side surface of the cabinet 70 are opposed to each other, and further, the
respective projections 4 a provided on the back surface side of the bracket mounting side panel 4
correspond to the second The bracket mounting side panel 4 is pushed toward the cabinet 70
with a predetermined external force while being inserted into the openings 2a provided in the
cabinet 2. Thereby, each collar 4d fits into each corresponding collar 1b. Further, one of the pair
of collars 4b is fitted to one of the collars 1f and 2f, and the other of the pair of collars 4b is also
fitted to the other one of the collars 1f and 2f. Moreover, each collar part 4c fits to each
corresponding collar part 2b. Further, the opening 4 f is disposed at a position corresponding to
the opening 2 g. At this time, the amplifier-side output wiring 25 led to the outside through the
opening 2g of the cabinet 70 goes to the outside of the bracket mounting side panel 4 through
the one opening 4f provided in the bracket mounting side panel 4. Derivate. Thus, the state in
which the bracket mounting side panel 4 is mounted on the right side surface of the cabinet 70 is
shown in FIG. 1 (d).
[0081]
Next, as shown in FIG. 1 (d), the flexible arm 6 is attached to the front surface 4x side of the
bracket attachment side panel 4. Of course, in the present invention, the flexible arm 6 may be
attached to the bracket attachment side panel 4 in advance before the bracket attachment side
panel 4 is attached to the right side surface of the cabinet 70. Specifically, the positions of the
pair of openings 6b provided in the fitting portion 6a of the flexible arm 6 and the corresponding
pair of openings 4e of the two pairs of openings provided in the fitting attachment side panel 4
10-05-2019
22
are matched In a state in which the metal fitting portion 6 a is made to be disposed, the metal
fitting portion 6 a is disposed in the groove 4 g provided on the front surface 4 x side of the
metal fitting attaching side panel 4. After that, each bolt is inserted from the front surface 4x side
of the bracket mounting side panel 4 in order of the pair of openings 6b and the pair of openings
4e provided in the bracket portion 6a. Attach to the pair of bolt attachment holes 5c. A state in
which the flexible arm 6 is attached to the bracket attachment side panel 4 in this manner is
shown in FIG. 1 (d).
[0082]
Next, the character display side panel 3 is attached to the left side of the cabinet 70 in the
longitudinal direction. The method is quite similar to the method of attaching the abovementioned bracket mounting side panel 4 to the right side surface of the cabinet 70. Thereby,
each collar 3d fits into each corresponding collar 1b. Further, one of the pair of collars 3b fits
into one of the collars 1f and 2f, and the other of the pair of collars 3b also fits into the other one
of the collars 1f and 2f. Thus, a state in which the character display side panel 3 is attached to
the left side surface of the cabinet 70 is shown in FIG. 1 (b). The speaker device 100 shown in
FIG. 1 and the like is manufactured by the above method.
[0083]
(Example of Attachment to Vehicle Interior) The speaker device 100 according to the first
embodiment of the present invention is a satellite type speaker device as described above. For
this reason, as a general usage method, at least a pair of speaker devices 100 for the left and
right channels are respectively suspended in portions such as left and right rear trims or assist
grips provided behind the rear seat in the vehicle compartment Used in the state.
[0084]
Here, an example of the mounting method to the vehicle interior will be described with reference
to FIG. FIG. 12 shows a state in which a pair of speaker devices 100 for the left and right
channels are attached to left and right rear trims provided behind the rear seat 87 in the vehicle
compartment. In FIG. 12, reference numeral 83 denotes the body of the vehicle.
10-05-2019
23
[0085]
First, as shown enlarged in a broken line area, a pair of speaker devices 100 for left and right
channels, a mounting bracket 80 having a U-shaped cross-sectional shape, a bolt 81, and a trim
holding bracket having a flat shape Prepare 82.
[0086]
Here, the speaker device 100a for the left channel and the speaker device 100b for the right
channel use, of course, the speaker device 100 according to the first embodiment of the present
invention.
In the speaker device 100a for the left channel, the mounting bracket 5 (hereinafter, also
referred to as "left mounting bracket") on the right inner side surface (the same position as the
mounting bracket 5 of FIG. 5B) of the second cabinet 2 in advance. Is attached. On the other
hand, in the case of the speaker device 100b for the right channel, the mounting bracket 5 is
reversed in the opposite direction, that is, in the left inner side of the second cabinet 2 (the
opposite position to the mounting bracket 5 in FIG. 5B). (Hereafter, it is also called "right
mounting bracket") is attached. The speaker apparatus 100a for the left channel plays a role of
emitting a sound wave to the space on the right side in the vehicle compartment when viewed
from the paper surface, in other words, to the space on the left side in the vehicle compartment
with respect to the traveling direction of the vehicle. The speaker device 100b for the right
channel plays a role of emitting an acoustic wave to the space on the right side in the vehicle
cabin with respect to the traveling direction of the vehicle.
[0087]
Next, the flexible arms 6 are attached to the left and right channel speaker devices 100
respectively. Specifically, first, in the case of the speaker device 100a for the left channel, the
bracket portion 6a of the flexible arm 6 is disposed in the groove 4g of the bracket mounting
side panel 4 corresponding to the position of the left bracket mounted therein Then, the bolts are
inserted sequentially from the front surface 4x side of the bracket mounting side panel 4 through
the pair of openings 6b and the pair of openings 4e, and each bolt is mounted on the left channel
mounting bracket Attach to hole 5c. Thereby, the flexible arm 6 is attached to the speaker device
100a for the left channel. In this state, the positional relationship between the speaker unit 50
and the flexible arm 6 is as follows. That is, in the speaker device 100a for the left channel, the
flexible arm 6 is attached to the grille 1a in which the speaker unit 50 is not disposed. Further,
10-05-2019
24
also in the case of the speaker device 100 for the right channel, the bracket of the flexible arm 6
in the groove 4g of the bracket mounting side panel 4 corresponding to the position of the right
mounting bracket mounted inside by the same method as described above. The portion 6a is
disposed, and subsequently, each bolt is inserted in order from the front surface 4x side of the
bracket mounting side panel 4 through the pair of openings 6b and the pair of openings 4e, and
each bolt is provided to the right channel mounting bracket Attach to the pair of bolt attachment
holes 5c. Thus, the flexible arm 6 is attached to the speaker device 100b for the right channel. In
this state, the positional relationship between the speaker unit 50 and the flexible arm 6 is as
follows. That is, in the speaker device 100b for the right channel, the flexible arm 6 is attached to
the grille 1a in which the speaker unit 50 is not disposed.
[0088]
Next, the speaker devices 100 for the left and right channels are respectively attached to the left
rear trim 84a and the right rear trim 84b provided behind the rear seat 87 in the vehicle
compartment. The method will be described by taking the case of the left channel speaker device
100a as an example. First, the mounting bracket 80 is attached by a bolt to one end side of the
flexible arm 6 attached to the left channel speaker device 100a. Next, as shown in FIG. 12, the
angle adjustment of the flexible arm 6 is performed so that the grille 1a of the speaker apparatus
100a for the left channel faces the seat side, and then, the mounting bracket 80 is mounted on
the left rear trim 84a and the vehicle body Then, the bolt 81 is tightened from the flexible arm 6
side to the left rear trim 84 a side. Thus, the left rear trim 84a is sandwiched by the mounting
bracket 80 and the trim holding bracket 82. Thus, as shown in FIG. 12, the speaker device 100a
for the left channel is attached to the left rear trim 84a in the vehicle compartment. Further, as
shown in FIG. 12, the speaker device 100b for the right channel is attached to the right rear trim
84b in the vehicle compartment by the same method as described above.
[0089]
In such a state, the relative arrangement relationship between the speaker device 100a for the
left channel and the speaker device 100b for the right channel is as follows. In FIG. 12, one
speaker unit 50 accommodated in the speaker device 100a for the left channel is present at a
position corresponding to the grille 1a located on the left side of the drawing sheet among the
two grills 1a. On the other hand, one speaker unit 50 accommodated in the speaker device 100b
for the right channel is present at a position corresponding to the grille 1a located on the right
side of the paper surface of the two grilles 1a. According to the method described above, the pair
of speaker devices 100 for the left and right channels are respectively attached to the left and
10-05-2019
25
right rear trims 84 provided behind the rear seat 87 in the vehicle compartment.
[0090]
Next, specific effects and advantages of the speaker device 100 according to the first
embodiment of the present invention will be described.
[0091]
In the speaker device 100 according to the first embodiment of the present invention, a cabinet
manufactured when the first cabinet 1 accommodating the speaker unit 50 serving as a sound
generation source and the second cabinet 2 are fitted. At 70, one side (left side) in the
longitudinal direction and the other side (right side) opposite to the one side are formed in the
same shape.
Further, the back surface 3y side of the character display side panel 3 and the back surface 4y
side of the bracket attachment side panel 4 are formed in substantially the same shape, and the
back surface 3y side of the character display side panel 3 The back surface 4y side of the bracket
mounting side panel 4 is formed to be fitted to both one side surface (left side surface) and the
other side surface (right side surface) in the longitudinal direction of the cabinet 70.
[0092]
For this reason, when it is necessary to provide a pair of speaker devices for the left and right
channels in a vehicle interior, such as a vehicle-mounted speaker device, the following
advantages are provided.
[0093]
That is, by attaching the character display side panel 3 or the bracket attachment side panel 4 to
the left side surface with respect to the longitudinal direction of the cabinet 70, the bracket
attachment side panel 4 corresponding to the longitudinal direction of the cabinet 70.
Alternatively, by attaching the character display side panel 3, a pair of speaker devices for the
left and right channels can be easily configured.
10-05-2019
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In other words, the respective components of the first cabinet 1, the second cabinet 2, the
character display side panel 3 and the mounting bracket side panel 4 are the left channel speaker
device and the right channel speaker device. It can be shared. Therefore, according to the present
invention, it is possible to reduce the number of parts of a mold for producing each of the abovedescribed components, as compared with a type of speaker device in which the corresponding
components can not be shared. In addition, since the number of components can be reduced,
management of each component can be facilitated.
[0094]
In addition, on one side surface of the second cabinet 2 and on the other side surface opposite to
the one side surface, the output wire 25 on the amplifier side electrically connected to the voice
coil 14 of the speaker unit 50 is led to the outside. Two openings 2g are formed. As a result, the
output wiring 25 on the amplifier side electrically connected to the voice coil 14 of the speaker
unit 50 can be led to the outside through the openings 2g. Therefore, the connection between the
output wiring 25 and the output terminal on the amplifier side becomes possible. Further, the
opening 2 g formed in the one side of the second cabinet 2 is formed at a position corresponding
to the opening 2 g formed in the other side of the second cabinet 2. Therefore, the output wiring
25 can be led to the outside through the opening 2g formed on the one side, while the output
wiring 25 is led to the outside through the opening 2g formed on the other side. can do.
Therefore, when it is necessary to differentiate the lead-out direction of the output wiring 25
between the speaker device 100a for the left channel and the speaker device 100b for the right
channel, this can be realized. That is, the respective openings 2g can be shared when the output
wiring 25 is led out to the outside by the speaker device 100a for the left channel and the
speaker device 100b for the right channel.
[0095]
In addition, when the bracket attachment side panel 4 is attached to one side surface or the other
side surface of the cabinet 70, one opening is provided at a position corresponding to each
opening 2g of the second cabinet 2. It has 4f. Thus, the output wiring 25 on the amplifier side
electrically connected to the voice coil 14 of the speaker unit 50 is led to the outside through the
opening 2 g of the second cabinet 2 and the opening 4 f of the bracket mounting side panel 4.
Can.
[0096]
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27
Second Embodiment Next, the configuration and the like of a speaker device according to a
second embodiment of the present invention will be described.
[0097]
The speaker device according to the second embodiment of the present invention has
substantially the same configuration as that of the first embodiment.
However, the second embodiment differs from the first embodiment in that a bass reflex duct is
provided in the speaker device 100 according to the first embodiment to constitute a bass reflex
type speaker device. Therefore, the differences will be described below with reference to FIGS. 13
and 14 and the like. In FIGS. 13 and 14, the same elements as those of the first embodiment are
indicated by the same reference numerals and the description thereof is omitted.
[0098]
FIG. 13 shows respective views when the speaker device according to the second embodiment of
the present invention is observed from the front direction, the back direction, the left side and
the right side. Note that in FIG. 13, the components other than the character display side panel
33, that is, the configurations of the first cabinet 1, the second cabinet 2 and the bracket
attachment side panel 4 are the same as those in FIG. 13 (c) shows a front view of the speaker
device 200, and FIG. 13 (a) shows a rear view of the speaker device 200. FIG. 13B is a left side
view when the speaker device 200 in FIG. 13A is observed from the direction of the arrow Y1.
FIG. 13D is a right side view when the speaker device 200 in FIG. 13A is observed from the arrow
Y2 direction opposite to the arrow Y1 direction.
[0099]
FIG. 14B shows a front view of the character display side panel 33 according to the second
embodiment. FIG. 14A shows a side view when the character display side panel 33 in FIG. 14B is
observed from the direction of the arrow Y6. On the other hand, FIG. 14C is a side view when the
character display side panel 33 in FIG. 14B is observed from the arrow Y7 direction opposite to
the arrow Y6 direction.
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28
[0100]
The second embodiment differs from the first embodiment only in the configuration of the
character display side panel 33. That is, the character side panel 33 according to the second
embodiment has a cylindrical bass reflex duct 3h as shown. The bass reflex duct 3 h is formed to
project from the back side of the character display side panel 33. Further, as can be understood
by comparing the character display side panel 33 and the bracket mounting side panel 4, the
bass reflex duct 3 h is formed at a position corresponding to the opening 4 f provided in the
bracket mounting side panel 4. . Also, when the bass reflex duct 3 h attaches the character
display side panel 33 to the left side or right side with respect to the longitudinal direction of the
cabinet 70 manufactured by fitting the first cabinet 1 and the second cabinet 2. The second
cabinet 2 is formed at a position corresponding to the opening 2 g provided on the left side
surface or the right side surface of the second cabinet 2. The bass reflex duct 3 h is used in a
state of being inserted into one of the two openings 2 g provided in the second cabinet 2. At this
time, the other opening 2 g is used as an opening for leading the output wiring 25 on the
amplifier side electrically connected to the voice coil 14 which is an element of the speaker unit
50 to the outside. A state in which the character display side panel 33 having such a
configuration is attached to the left side surface with respect to the longitudinal direction of the
cabinet 70 is shown in FIG.
[0101]
In the speaker device 200 according to the second embodiment, sound waves emitted from the
front side of the diaphragm 17, which is an element of the speaker unit 50, are emitted to the
outside through one of the grilles 1a when the speaker device 200 is driven. The sound wave
radiated from the back side of the diaphragm 17 is radiated to the outside through the bass
reflex duct 3h. That is, the speaker device 200 according to the second embodiment constitutes a
bass reflex type speaker device.
[0102]
In the second embodiment having the above configuration, the following effects can be obtained.
[0103]
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29
That is, in the speaker device 200 according to the second embodiment, the character display
side panel 33 is formed on one side (left side) in the longitudinal direction of the cabinet 70 and
the other side (right side) opposite to the one side. A bass reflex duct 3h is provided at a position
corresponding to each opening 2g of the second cabinet 2.
Therefore, when the character display side panel 33 is attached to one side surface (left side
surface) of the cabinet 70, the bass reflex duct 3h can be provided on the one side surface, while
the character display side panel 33 is When mounted on the other side (right side) of the cabinet
70, the bass reflex duct 3h can be provided on the other side. Therefore, the bass reflex duct 3h
can be shared by the speaker device 100a for the left channel and the speaker device 100b for
the right channel. Thereby, by attaching the character display side panel 33 or the bracket
mounting side panel 4 to one side surface (left side surface) of the cabinet 70, the other side
surface (right side surface) in the longitudinal direction of the cabinet 70 correspondingly. By
attaching the bracket attachment side panel 4 or the character display side panel 33 to the pair,
it is possible to easily configure a pair of bass reflex type speaker devices for the left and right
channels. The remaining effects of the second embodiment are similar to those of the
aforementioned first embodiment.
[0104]
[Modifications] In the first and second embodiments described above, one speaker unit 50 is
provided at a position corresponding to one grill 1a. However, the present invention is not
limited to this. The speaker units 50 may be provided at corresponding positions.
[0105]
The front view, rear view, left side view, and right side view of a speaker device concerning a 1st
example of the present invention are shown.
Sectional drawing of the speaker apparatus along each cutting line in FIG. 1 is shown. The front
view and rear view of a 1st cabinet concerning a 1st example are shown. The side view and
sectional drawing of the 1st cabinet which concern on 1st Example are shown. The front view,
rear view, etc. of the 2nd cabinet concerning a 1st example are shown. The left view and right
side of a 2nd cabinet concerning a 1st example are shown. The front view and each side view of
the side panel for character displays which concern on 1st Example are shown. The back view
and sectional drawing of the side panel for character displays which concern on 1st Example are
shown. The front view and each side view of the side panel for metal fitting attachment which
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30
concern on 1st Example are shown. The back view and sectional drawing of the side panel for
metal fitting attachment which concern on 1st Example are shown. The left side view and right
side view of the cabinet concerning a 1st example are shown. The example of attachment to the
vehicle interior of the speaker apparatus which concerns on 1st Example is shown. The front
view, rear view, left side view, and right side view of a speaker device concerning a 2nd example
of the present invention are shown. The front view and each side view of a character display side
panel concerning a 2nd example are shown.
Explanation of sign
[0106]
DESCRIPTION OF SYMBOLS 1 1st cabinet 2 2nd cabinet 3, 33 character display side panel 3 h
bass reflex duct 4 bracket mounting side panel 5 mounting bracket 6 flexible arm 50 speaker
unit 70 cabinet 84 rear trim 100, 200 speaker device
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