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DESCRIPTION JPS5448642

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DESCRIPTION JPS5448642
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view showing a conventional
example of a speaker unit mounting structure. FIG. 2 is a partially omitted front view showing an
embodiment of a speaker box to which the present invention is applied. FIG. 3 is a partially
omitted front view of the speaker unit in the above embodiment. FIG. 4 is a rear view of the metal
fitting in the above embodiment. FIG. 5 is a partially omitted sectional view showing the state of
attachment of the speaker unit in the above embodiment. 11 ... speaker unit, 12 ... baffle plate, 13
............................................................................................................................. Frame, 16, 21 ... fastening part, 17
... guide pin, 18 ... cradle, 19 ... ... support part, ... · Long groove, 22 · · · · notch interest
DETAILED DESCRIPTION OF THE PROBLEM The present invention relates to a mounting
structure of a speaker unit (r mounting on a baffle plate by means of a metal fitting, in particular,
the above mounting is performed by using gold 'A-1. So that the attachment position is prevented
from being broken when the fastening member is fastened to the Hanoful plate by the screw
member. Conventionally, as shown in FIG. 1, as a mounting structure of the speaker unit, as
shown in FIG. 1, when attaching to the baffle plate 1 with screws 2 - 1, - - 1 - 0 - 'is
attached, the
supporting portion 4 of the metal member 6 is mounted on a speaker The position of the speaker
unit 5 in the axial direction is restricted by being in contact with the outer peripheral surface 6 a
of the frame 6 of the unit 5. In such a conventional attachment structure, the attachment fixes
and supports the speaker unit 5 by making contact with the metal fitting 6 and the frame 6, so
that the attachment is fastened to the metal fitting 6 to the baffle 1 Due to the tightening torque
at the time of installation, the metal fitting 6 is rotated and moved linearly, so that the speaker
unit 5 and the metal fitting 6 can not be mounted in a state in which the metal fitting 6 is
properly positioned , That is, when the metal fitting 6 moves as described above, the position of
the metal fitting 6 is in a small regulation in the mounting state, which is not preferable from the
viewpoint of appearance, and the speaker unit 5 may also move in accordance with the above
movement So that the speaker unit 5 can not be mounted in the correct position. In view of this,
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conventionally, the mounting is carried out by suppressing the supporting portion 4 of the metal
member 3 to the frame 6, etc., and the above-described mounting temporarily fixes the metal
member 3 and the speaker unit 5, It took time and labor to install it which had to be fastened to
the pamphlet board 1 with the 2. Therefore, the present invention solved the problem of the
conventional example as described above by making it possible to install at the correct
attachment position with simple operation by the 'iia sub-Iff phase-rVJ (l, 4 Qi 4% IA, speaker Uni
H Thereby providing a speaker unit attachment structure. Hereinbelow, the present invention
will be described in detail with reference to the drawings showing one embodiment. FIG. 2 shows
a partially omitted front view of a speakerphone fixture 1 according to an embodiment of the
present invention to which a speaker unit is attached. In FIG. 2, reference numeral 10 denotes a
speaker box body, Sj), 11 denotes a speaker unit attached to the baffle plate 12 of the
speakerphone body 10, 13 denotes a speaker unit to which the speaker unit 11 is attached, And
the above-mentioned attachment is not applicable for fastening the metal fitting 16 to the
pamphlet board 12.
In this embodiment, fastening portions 16 are formed at four locations on the outer
circumferential surface 15 a of the speaker unit 11, and at the position of the fastening portion
16, a long columnar shape Two kite pins 17 protruding in the circumferential direction. One
person - t, the attachment is to the metal fitting 16) oblong x = 1 long groove 20 is engraved at
the position of the support part 19 to be brought into contact with the cradle 18 provided in the
16 letterhead 16 A cutout portion 22 through which the above-described non-legend 14
penetrates is formed in the fastening portion 21 extending from the support portion 19. As
shown in FIG. 5, the above-mentioned attachment is fastened to the buckle plate 12 by the
bracket 14 in a state where the long groove 20 of the metal fitting 13 is fitted to the guide pin
17 provided on the frame 15 . The length J1L 'of the elongated groove 20 provided in the metal
fitting 16 is set to be slightly larger than the length [,) between the guiding guide pin 17.17
disposed on the frame 15 So that the above-mentioned kite pin 17 can be easily fitted into the
long groove 20. The play in fitting the guide pin 17 and the long groove 20 is as small as
possible. In addition, in this embodiment, the fastening portion 16 of the frame 15 and the
mounting are projectingly provided on the fastening portion 19 of the metal fitting 16,
respectively, and the cradle 18.24 - e is protruded from the fastening portion 19 of the metal
fitting 16. When fastened to the plate 12, the above-described attachment of the head 14a of the
above-described ion 14 to the plate 12 comes into contact with the cradle 24 of the metal fitting
13 and the attachment of the metal fitting 16 to the cradle 18 of the frame 15 So as to reduce a
portion where the surfaces of the frame 15 and the mounting bracket 16 are unnecessarily
damaged by the fastening force. Therefore, in the embodiment having the configuration as
described above, the supporting portion 19 of the metal fitting 13 is aligned with the coupling
fixing portion 16 formed on the frame 15 of the speaker unit 11, the kite pin 17 and the long
groove 20 are fitted together , And 14 The above mounting is accomplished by fastening the
metal fitting 16 to the baffle plate 12 and by properly fitting the above-mentioned kite pin 17
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2
and the long groove 20, the mounting of the speaker unit 11 is correctly positioned Can be
performed. That is, since the mounting of the metal fitting 5-16 is restricted by the fitting of the
upper occupant kite pin 17 and the long groove 20, the above-mentioned attachment is
performed by fastening the metal fitting 16 to the baffle plate 12 with the screw 14 , The
mounting of the metal fitting 16 does not cause rotational displacement or linear movement of
the metal fitting 16, and the speaker unit 11 is mounted in a correct position.
It is to be noted that the present invention is not limited to the above-described embodiments,
but may be applied to a case where the position of disposing the kite bin and the long groove
forming the relative engaging portion is reversed, the arrangement of the kite pin and the
fastening portion The number may be increased or decreased, and similar effects can be obtained
by changing the shape of the kite pin or long groove. As described above, according to the
present invention, since the frame of the speaker unit and the attachment are taken out by the
relative engagement portion between the metal fitting and the frame (the position of the tbracket is regulated, the positional deviation is generated by the fastening torque by the screw
member Without proper mounting you can attach the speaker unit to the position. With the
installation / disassembly it is not necessary to temporarily support the speaker unit as in the
conventional example when fastening the metal fittings to the baffle plate. Installation simple
speaker unit 6 in the correct position Can be done in full and can be achieved fully for the
intended purpose.
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