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JPH0420098

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DESCRIPTION JPH0420098
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an
attachment device which can attach a speaker body to a roof groove of an automobile or a body
such as a fender or a bonnet by replacing the attachment. (Prior Art) A structure for attaching a
speaker to a car is mounted with a speaker rack on the roof of the car, a structure for attaching
the speaker to this rack, and a screw hole is made in a body such as a fender or a phone net.
There is a structure to attach a speaker. (Problems to be Solved by the Invention) The structure
for attaching the speaker to the roof of the car and the structure for attaching the speaker
directly to the body of the fender, bonnet, etc. are completely different in the configuration of the
parts attached, so two types of attachment devices are required. . Also, in the conventional
mounting device, the mounting position is fixed and the mounting angle of the speaker is fixed,
so if the inclination angle of the roof groove at the location and the inclination angle of the body
differ depending on the car, the center of gravity line of the speaker is The mounting will be out
of position. Thus, when the speaker's center of gravity line deviates from the position of the
attachment, the attachment causes the part to be loosened due to the vibration accompanying
the traveling of the vehicle. The present invention solves the above two problems. The speaker
mounting apparatus according to the present invention comprises a joint fixed to the speaker
body, an arm attached to a roof groove of an automobile, and a stand for attaching to an
automobile body such as a fender or a phone net. . In the joint, a screw hole of a long hole curved
parallel to the axial direction of the speaker and at a symmetrical position concentrically with the
axial center line of the joint itself is formed. The joint is attached to the arm fixed to the roof
groove of the automobile by adjusting the angle in the range of ± 15 ° by the long hole.
Further, the outer shape of the above-mentioned joint is formed in a substantially cylindrical
shape, and the one stand has a recess for housing the joint, and the joint can be attached by
rotating the position within a range of ± 15 ° in the recess. . (Operation) Since the joint is fixed
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to the speaker main body, the mounting of the car is performed by attaching the arm or stand
according to the position (SJ, joint and the arm or stand are attached by screws, so the joint is
joined with the arm or stand The speaker can be attached at an angle by providing an angle
adjusting mechanism at the portion where the speaker is mounted. (Embodiment) A speaker
mounting apparatus for an automobile according to the present invention comprises a joint 2
fixed to the bottom of a speaker body 1 as shown in FIG. 1, an arm 3 for mounting to a roof
groove 7 of a car 6, As shown in the figure, it comprises a stand 4 for mounting on the body 8 of
a car such as a fender or a phone net.
3 (a) is a plan view, FIG. 3 (b) is a bottom view, FIG. 3 (c) is a front view, and FIG. 3 (a) is an AB
sectional view of FIG. 3 (a). The upper surface of a cylindrical shape made of a PBT impact
resistant resin material and forming the joint 2 is formed on a curved surface 21 which matches
the outer periphery of the horn constituting the speaker body 1. Further, the lower surface of the
cylindrical shape is formed by the small ridges 22 and 23 on both sides and the flat surface 24 of
the central portion. Two screw holes 25 parallel to the axial center line of the joint 2. 26 or
symmetrical. The screw holes 25 and 26 are elongated holes and are curved concentrically with
the axial center line. Therefore, it is possible to mount the / Joint 2 with an angle adjustment of
X15 °. Along the center line of the joint 2 / two screw holes 27. 28 for fixing the joint 2 to the
speaker body 1 and a hole 29 for passing the speaker coat are formed in the center. The arm 3
comprises an arm fitting 31, a clamp fitting 32, and a clamp pad 33, as shown in FIG. The arm
fitting 31 has one end 34 inserted inside the roof groove of the roof site of the automobile, has a
screw hole 35 at the center, and has a speaker mounting portion 36 at the other end. The arm
fitting 31 has reinforcing bent portions 37a and 37b formed on both sides, and the mounting
portion 36 is at the tip. Also, the arm fitting 31 is bent or curved so as not to contact the roof in
the mounted state, and at the same time, the clamp fitting 32 or the roof groove is pinched. One
end 38 of the clamp fitting 32 is curved in accordance with the outer shape of the roof groove,
and has a notched / recessed long hole 39 at the center and the other end 61 is in contact with
the upper part of the arm fitting 31. It is bent or curved to make contact. The clamp pad 33 is
made of, for example, an elastic material such as satobrene, and as shown in FIG. 4 (b), a bag-like
groove portion 62 into which one end 34 of the arm metal fitting 31 is inserted And an extended
portion 64 extending to the outside of the roof groove. The groove portion 62 and the extension
portion 64 are thick, and the other portions are thin. As shown in FIG. 1, when attaching the arm
3 to the roof groove 7 of the roof side 6, first, one end 34 of the arm fitting 31 is inserted into
the groove portion 62 of the clamp pad 33, and this one end is roof groove Insert inside of 7. At
the same time, one end 38 of the clamp 32 is disposed on the outside of the roof groove 7 so as
to abut the other end 61 or the upper part of the arm 31.
Then, while holding the extension part 64 of the clamp pad 33 or the outside of the roof groove
7, the holt 66 is passed through the screw hole 39 in the central part and tightened and fixed in
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the screw hole 35 of the arm fitting 31. The upper portion of the clamp 32 slides along the slope
of the upper portion of the arm 31 in accordance with the tightening of the port 66, and as a
result, the roof groove 7 is firmly held and fixed. The block 69 made of an elastic material can be
inserted between the arm fitting 31 and the roof side 6 to support the arm fitting 31 stably. The
block 69 has a plurality of holes fitted to the tip of the bolt 66 which penetrates the arm fitting
31, and the position of the hole is adjusted to the distance between the arm fitting 31 and the
roof side 6 to adjust the position of the block 69 . The joint 2 fixed to the speaker body by the
two screw holes 27 and 28 is attached to the arm 3 fixed as described above while adjusting its
angle. That is, the screw holes of the mounting portion 36 of the arm fitting 31 and the screw
holes 25.26 of the joint 2 are aligned, and the center of gravity of the speaker body coincides
with the vertical position of the mounting portion 36 as shown by the solid line in FIG. After
adjusting the angle to fix, fix it with a screw. 5 (a) is a plan view, FIG. 5 (b) is a bottom view, FIG.
5 (C) is an E-F cross-sectional view, FIG. 5 (d) is a C-D cross-sectional view, and FIG. As shown in
the I-J cross-sectional view in (f), both side walls 42 made of a fiber-permanent PPT impactresistant resin material and forming a semi-cylindrical recess 41 for housing the abovementioned joint 2; Or bottom 45 with screw holes 43.44 for attachment to the phone net, screw
holes 25. It consists of a front wall 48 and a rear wall 49, each provided with a screw hole 46. 47
which coincides with the H.26. Further, at the center of the bottom portion 45, a hole 50 for
passing a speaker cord is formed so as to coincide with the speaker cord hole 29 of the joint 2.
As shown in FIG. 2, the joint 2 is fixed to the outer periphery of the horn of the speaker body 1
by two screw holes 27 and 28. Also, the stand 4 is fixed at any position of the fender or bonnet
by two screw holes 43.44. Then, insert the joint 2 into the recess 41 of the stand 4 and rotate the
joint 2 to adjust the angle so that the center of gravity of the speaker main body 1 coincides with
the vertical direction as shown in FIG. Insert two screws 11.12 into the joint 25.26 by means of
the screw holes 46.47 of the stand 4 and tighten them with a nut.
According to the present invention, the arm or the stand is attached according to the mounting
position of the automobile, and the joint fixed to the speaker body is attached to the arm or the
stand so that the joint is attached. Parts can be reduced. Further, since the speaker main body is
mounted at an angle adjusted with respect to the mounting position, the barycentric line of the
speaker main body coincides with the vertical position of the mounting position, so that it is
difficult for slack in the mounting portion to occur.
[0002]
Brief description of the drawings
[0003]
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FIG. 1 is an explanatory drawing for explaining the first attachment of the present invention, FIG.
2 is an explanatory drawing for explaining the second attachment of the present invention, and
FIGS. 3 (a) to 3 (d) are present. A plan view, a bottom view, a front view, and a sectional view of a
joint which is a main component of the invention, FIGS. 4 (a) and 4 (b) are an exploded view of an
arm which is a main component of the present invention and a perspective view of a clamp pad.
5 (a) to 5 (f) are a plan view and a bottom view of the stand which is the main component of the
present invention, and each FIG. 7 is a cross-sectional view of the present invention. FIG.
1 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 25
· · · · · · · · · · · · · · 2 · · · 2 · · · 4 · · · stand · · ·・ Body 36 ・ ・ ・ Mounting part 46.47 ・ ・ ・ Screw
hole
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