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JP2005333536

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JP2005333536
The present invention relates to a speaker, an electronic device, and an apparatus used for an
audio device, and solves a problem regarding attachment of a grill when the speaker and the grill
are attached to a vehicle body or the like with screws. According to the present invention, the
speaker frame 6 and the grille 13a can be easily snapped in by combining the speaker frame 6
and the grille 13a with each other by using a snap-in connection by pressing. It is realized and
configured so that the grille 13a can be attached. [Selected figure] Figure 1
Speaker device
[0001]
The present invention relates to a speaker device used for various audio devices.
[0002]
The prior art will be described with reference to the cross-sectional view of the speaker
apparatus shown in FIG.
[0003]
According to the drawing, reference numeral 1 denotes a magnetized magnet, which is
sandwiched by the upper plate 2 and the lower plate 3 to form an external magnetic circuit 4.
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A frame 6 is coupled to the top plate 2 of the magnetic circuit 4.
[0004]
A diaphragm 9 is coupled to the peripheral portion of the frame 6, and a voice coil 8 having a
circular planar shape is coupled to the diaphragm 9 and coupled so as to be fitted into the
magnetic gap 5 of the magnetic circuit 4 Are configured.
[0005]
A resin grill 13 is coupled to the frame 6 with a screw 16 so as to cover the diaphragm 9, and is
further coupled so as to cover the grill 13 with a net 12, and the screw 16 is concealed to
constitute a speaker device.
[0006]
As prior art document information related to the invention of this application, for example,
Patent Document 1 is known.
JP 11-155192 A
[0007]
The above-mentioned speaker device is often used for an on-vehicle device such as a car, and for
this purpose, the speaker body and the grille 13 are jointly fastened to the vehicle body or the
like with the screw 16. I hid the screw part.
However, if the net 12 is attached to the back of the grille, the screw 16 can be hidden from the
appearance, but the speaker design is restricted. For example, when the net is attached to the
back of the grille, the screw portion is It was exposed and had a problem on appearance.
[0008]
An object of the present invention is to solve the above-mentioned problems, and to provide a
speaker device having a configuration in which the screw portion in the appearance is not a
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problem when the grill is attached to the speaker body.
[0009]
In order to solve the above problems, the speaker device according to the present invention
comprises a frame coupled to a magnetic circuit, a diaphragm coupled to a peripheral portion of
the frame, and a diaphragm coupled to the diaphragm, and a part thereof The speaker body is
configured by the voice coil disposed in the magnetic gap of the magnetic circuit, and the
speaker device is configured by snap-in connection by pressing the resin grill against the frame
so as to cover the diaphragm of the speaker body. .
[0010]
This configuration makes it possible to provide a speaker device having a configuration in which
the external thread portion does not pose a problem when attaching the grille to the speaker
body, and since screws, adhesives and the like are not used to couple the frame and the grille.
Therefore, it is possible to provide a useful speaker device as a detachable grille without being
restricted by the appearance because of no screw.
[0011]
As described above, according to the present invention, when attaching the grille to the speaker
body, the frame and the grille are coupled by a snap-in mechanism by pressing so that the screw
portion in the appearance does not become a problem. This realizes that the speaker and the grill
can be easily coupled without using screws, adhesives and the like.
[0012]
Furthermore, when the claws are partially provided on the circumference, at the time of removal,
the configuration is such that the grill can be easily removed simply by rotating the grille.
[0013]
Hereinafter, embodiments of the present invention will be described using the drawings.
In the description, the same parts as in the prior art will be described with the same reference
numerals.
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[0014]
First Embodiment The invention according to claims 1 to 5 of the present invention will be
mainly described below using a first embodiment.
[0015]
FIG. 1 is a cross-sectional view of a speaker device according to an embodiment of the present
invention, FIG. 2 is a perspective view of a claw portion of a grill as the same main part, and FIG.
4 is a perspective view of the claw portion of the gasket which is the main part, FIG. 5 is a crosssectional view of the speaker of the other development example, and FIG. 6 shows the state of
mounting the speaker device on the electronic device FIG. 7 shows a state where the speaker
device is mounted on a car.
[0016]
According to the figure, 4 is an external magnet type magnetic circuit in which the magnetized
magnet 1 is sandwiched between the upper plate 2 and the lower plate 3, and 5 is a space
between the upper plate 2 and the lower plate 3 of the magnetic circuit 4. It is a formed magnetic
gap.
[0017]
The frame 6 is coupled to the upper plate 2 of the magnetic circuit 4, the outer periphery of the
diaphragm 9 is bonded to the peripheral portion of the frame 6, and the voice coil 8 fitted to the
magnetic gap 5 is coupled to the center of the diaphragm 9 It is done.
[0018]
The damper 7 has an inner peripheral portion coupled to the outer peripheral portion of the
voice coil 8 and an outer peripheral portion coupled to the frame 6, and a dust cap 10 coupled to
the upper surface of the central portion of the diaphragm 9 Are formed from these elements.
[0019]
The grille 13a coupled to the frame 6 of the speaker body constitutes a speaker device.
[0020]
In the grille 13a, the claws 14 are formed on the inner periphery of the end face of the outer
periphery, and the convex portion 6a engaged with the concave portions 14a of the plurality of
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claws 14 provided on the outer periphery of the grille 13a The end of the grill 13a resin-molded
by being provided is spread by pressing, and the convex portion of the frame 6 is engaged with
the concave portion 14a of the claw portion 14 by snap-in.
[0021]
As described above, mounting of the grille 13a is performed by attaching the plurality of claws
14 on the circumference of the grille 13a without using screws, adhesives or the like for coupling
the frame 6 and the grille 13a. Can be easily snapped in by pressing the grille 13a, and at the
time of removal, the engagement in the claws 14 can be easily released by simply rotating the
grille 13a. The speaker device is not removable.
[0022]
The outer shape of the frame 6 and the grille 13a is not limited to the circular shape shown in
the present embodiment, and may be an oval, a track, or the like. The present invention is not
limited to the external magnet type as shown in the above, but may be an internal magnet type.
[0023]
Further, attachment of the speaker main body to a vehicle body or the like can be conventionally
performed by a screw 16 inserted in a hole (not shown) provided on the outer periphery of the
frame 6.
[0024]
A development example of the present embodiment will be described below.
[0025]
Development Example 1 Development Example 1 relates mainly to the invention described in
claims 2 to 4.
[0026]
The difference between this embodiment and the embodiment of the present invention is that the
frame 6 and the grille 13a are connected to each other, whereas in the present development
example, the gasket 11 and the grille 13a bonded and bonded to the frame 6 are engaged. It is a
combination of the two.
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[0027]
That is, a plurality of claws 15 are provided on the outer periphery of the gasket 11 adhesively
bonded to the outer periphery of the frame 6, and the hollows 15a of the claws 15 are engaged
with the recesses 14a of the claws 14 of the grille 13a. The grille 13a is positioned on the frame
6 and pressed to widen the outer peripheral end face of the grille 13a, and is engaged with the
claws 15 of the gasket 11 for snap coupling.
[0028]
According to the configuration of this embodiment, since the gasket 11 and the grille 13a are
coupled, the material etc. of the gasket 11 which can be firmly coupled to the grille 13a without
being restricted by the material of the frame 6 affecting the acoustic characteristics of the
speaker It can be selected.
[0029]
In addition, as a material of the said gasket 11, ABS and PP resin are suitable as a resin material.
[0030]
As described above, it is possible to select the optimum material for the acoustic characteristics
without depending on the snap coupling with the grille 13a also for the frame 6.
[0031]
Expansion Example 2 Hereinafter, the invention according to claim 5 will be mainly described
with respect to another expansion example of the present invention.
[0032]
FIG. 5 shows a cross-sectional view of a speaker according to another development example.
[0033]
The difference between this embodiment and the present embodiment is that the net portion of
the grille 13a is constituted by another net 12a and is attached to the back side of the grille 13a,
and materials of the grille 13a and the net 12a are appropriately selected. Thus, the protection of
the front of the speaker and the coupling strength with the frame 6 can be easily optimized.
[0034]
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Deployment Example 3 FIG. 6 shows a mounting state of the speaker device of another
deployment example on an electronic device, and illustrates a mounting state on the speaker box
18.
[0035]
This makes it possible to provide an electronic device equipped with a speaker device that can be
easily coupled to the speaker 17 and the grille 13a without using a screw, an adhesive, or the
like.
[0036]
Deployment Example 4 FIG. 7 is a perspective view of an essential part of a car which is an
apparatus according to an embodiment of the present invention.
[0037]
As shown in FIG. 7, any one of the speakers 17 according to claims 1 to 5 is mounted to
constitute a rear tray 19 of a car.
[0038]
With this configuration, it is possible to realize a device equipped with a speaker that can be
easily coupled without using a screw, an adhesive, or the like for coupling the speaker 17 and the
grille 13a.
[0039]
The speaker and the electronic device according to the present invention can be applied to
various acoustic devices and devices.
[0040]
The sectional view of the speaker in one embodiment of the present invention The perspective
view of the claw part of the grill which is the principal part The sectional view of the speaker in
the development example of the same embodiment The perspective view of the claw part of the
gasket which is the principal part Sectional view of the speaker according to the present
invention, a perspective view of the electronic apparatus according to the other reference, and a
perspective view of the speaker according to the other example
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Explanation of sign
[0041]
Reference Signs List 1 magnet 2 upper plate 3 lower plate 4 magnetic circuit 5 magnetic gap 6
frame 7 damper 8 voice coil 9 diaphragm 10 dust cap 11 gasket 12 12a net 13 13 grille 14
grille claw 15 gasket claw 16 screw 17 Speaker 18 Speaker box 19 Rear tray
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