JP3322810B2 - In-vehicle speaker mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a speaker mounted on a vehicle, and more particularly to an improvement of a mounting bracket for the speaker.

[0002]

2. Description of the Related Art A conventional mounting structure for an in-vehicle speaker, particularly a mounting structure for a tweeter, is shown in FIG.
In the case of the surface mounting type, there is a structure as shown in FIG.

That is, in the structure shown in FIG. 4, a substantially bowl-shaped bracket 22 into which a speaker unit 21 is fitted is used, and the bracket 22 is inserted into a mounting hole 24 formed in a mounting portion 23 of an interior board or the like. On the back side of the mounting portion 23, a mounting bracket 25 that fits the bottom of the bracket 22 is disposed.
The bottom surface side of the speaker unit 21 is fastened and fixed with bolts and nuts 26 from the back surface side.

Further, in the structure shown in FIG. 5, a plate-shaped mounting member 27 is fixed to the mounting portion 23 with bolts and nuts 28 and the speaker unit 21 is rotatably engaged with the mounting member 27 and fixed. It is. 4 and 5, reference numeral 21a denotes a cord of the speaker unit.

[0005]

The conventional speaker mounting structure shown in FIG. 4 and FIG.
3 is a type of tightening and fixing with bolts and nuts from the back side, and since the bolts and nuts are located on the back side of the interior board 23, the interior board 23 must be once removed at the time of mounting, which is extremely troublesome. .

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned drawbacks of the conventional speaker mounting structure, and to mount the speaker unit in a mounting hole formed in a car interior board without removing the interior board. Another object of the present invention is to provide an in-vehicle speaker mounting structure in which a speaker unit can be set from the front side of an inner layer board and easily fixed to an interior board.

[0007]

According to a first aspect of the present invention, there is provided an on-vehicle speaker mounting structure in which a bowl-shaped bracket is fitted and mounted in a mounting hole formed in a decorative board or other mounting portion. A bowl-shaped bracket having a flange portion on an opening edge and two slits facing each other on a side surface, wherein the bracket has a speaker unit fitted and held in the bracket. A spring fitting provided at each end with a leaf spring portion loosely inserted into the slit, a holding fitting provided with a plurality of engaging portions in a frequency-divided manner to hold the speaker unit, and the spring fitting and the holding fitting. And fixing means for tightening and fixing to the bracket in an overlapping manner, wherein the edge of the mounting hole is fixed to the flange of the bracket and the plate of the spring fitting by tightening and fixing by the fixing means. To characterized by being configured so as to sandwiched between root.

According to a second aspect of the present invention, a wide fall prevention portion is provided at a central portion of the spring metal to prevent the spring metal from dropping out of the slit of the bracket.

According to a third aspect of the present invention, the spring fitting is provided with a finger hook for aligning the spring fitting.

[0010]

[Function] The bracket is inserted into the bracket while the spring metal fittings are shifted so that the leaf spring portions at both ends are inserted into the two slits on the side surface of the bracket, and the bracket is fitted into the mounting holes formed in the mounting portion of the decorative board or the like. .

At this time, positioning is performed while shifting the spring fitting so that the leaf spring portion is inserted into the back side of the rim of the mounting hole. In this state, the holding fitting is overlapped, and the holding fitting is fixed to the holding fitting. Secure the spring bracket to the bracket.

By this tightening and fixing, the edge of the mounting hole is firmly held between the leaf spring portion of the spring metal and the flange of the bracket, and the bracket, the spring metal and the holding metal are securely fixed to the mounting portion. By engaging and holding the speaker unit with the engaging portion of the holding metal, the speaker unit can be fixed to the mounting portion by all operations from the front side of the mounting portion.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a half sectional view showing a mounting state of a vehicle-mounted speaker mounting structure of the present invention, FIG. 2 is an exploded perspective view of a bracket, a spring metal and a holding metal used in the mounting structure, and FIG. FIG. 3 is a plan view showing a state in which a spring fitting and a holding fitting are stored in a bracket.

In the drawing, reference numeral 1 denotes a bowl-shaped bracket, which is a mounting hole 2 formed in a mounting portion 23 of a car decorative board or the like.
4, a flange portion 2 is provided on an opening edge, and a side surface 3 is opposed to a flange portion 2.
One slit 4 is formed. One of the slits is formed wider than the other. In the drawings, 1a is a cord insertion hole, 1b is a screw hole formed on the bottom surface, and 1c is a screw boss.

Reference numeral 5 denotes a spring metal member, and a leaf spring portion 7 having a substantially U-shaped cross section is loosely inserted into each of the slits 4 at both ends of a main body portion 6 having a band shape. The width of the main body 6 is formed to be wider than the width of the one slit and narrower than the other slit.
The leaf spring portion 7 is formed by being bent obliquely downward through a, and by being bent obliquely upward from the distal end portion through a second bent portion 6b. The leaf spring portion 7 is narrower in width than the main body portion 6, and the upper surface portion 7 a is in contact with the back surface of the edge of the mounting hole 24.

At the center of the main body 6, a fall-off preventing portion 8 is provided so as to cross the main body 6, and the length of the fall-off preventing portion 8 is equal to the length (height) of the slit 4. Sa)
Even if the spring metal fitting 5 is erroneously lengthened at the time of mounting, it will not fall out of the slit 4 and fall into the back side of the mounting part 23. In addition, the first
A screw hole 6c is formed at the position of the bent portion 6a, and a finger hook 9 formed by cutting and raising a part of the drop-off preventing portion 8 is provided on one side edge of the main body 6.

Reference numeral 10 denotes a holding bracket for engaging and holding the speaker unit 21. The main body 11 has a substantially disk shape so as to be accommodated in the bracket 1, and a plurality of the outer peripheral edges (embodiments) In this case, four engaging portions 12 are protruded in frequency division.

A projection 12a is formed laterally on the outer surface of the engaging portion 12. When the speaker unit 21 is pushed over the engaging portion 12, the case 21a of the speaker unit 21 is pressed. Groove 2 formed in inner peripheral surface
1b is firmly fitted and held in the ridge 12a.

A screw hole 11a is formed in the main body 11 so as to correspond to the screw hole 6c, and a slit 13 for projecting the finger hook 9 is formed in the main body 11. I have. In addition, 14 is a reinforcing rib.

Next, an example of mounting the speaker unit 21 will be described. The bracket 1 is dropped into a mounting hole 24 formed in a mounting portion 23 of a car decorative board or the like, and one leaf spring portion 7 of the spring metal fitting 5 has a width. The main body 6 is also inserted into the slit 4 while being inserted into the wider slit 4, and then the other leaf spring is inserted into the other slit 4 so as to be shifted, so that the leaf spring 7 is attached to the edge of the mounting hole 24. Position it on the back side. At this time, since the spring metal member 5 has the falling-off preventing portion 8, there is no possibility that the spring metal member 5 falls from the slit 4 to the back side of the mounting portion 23.

In this state, the holding fitting 10 is placed in the bracket 1 so as to overlap the spring fitting 5, and the screw hole 1
A fixing screw 15 is screwed into the screw boss 1a from 1a through the screw hole 6c of the spring fitting 5 and the screw hole 1b of the bracket 1 to fix. At this time, since the finger hook 9 of the spring metal fitting 5 protrudes from the slit 13 of the holding metal fitting 10, the spring metal fitting 5 is slid and adjusted via the finger hook 9, so that the screw holes 11 a, 6 c, 1b can be easily adjusted.

When the fixing screw 15 is tightened, the first bent portion 6a of the spring metal member 5 comes into contact with the bottom surface of the bracket 1, and the main body portion 6 is pressed in a horizontal direction so that the plate spring portion 7 is pressed.
Is raised, and the upper surface 7a is attached to the mounting hole 24.
Elastically presses the back side of the rim of the bracket 1, and the rim of the mounting hole 24 is strongly sandwiched between the flange 2 of the bracket 1 and the leaf spring 7, so that the bracket 1, the spring fitting 5 and the holding fitting 10 can be firmly fixed to the mounting portion 23.

Thereafter, if the speaker unit 21 is pushed in so as to cover the engaging portion 12 of the holding bracket 10,
The ridge 12a of the engaging portion 12 is tightly fitted into the engaging groove 21b formed on the inner peripheral surface of the case 21a of the speaker unit 21, and the speaker unit 21 can be easily and securely attached.

As described above, the bracket 1 is
When the bracket 1 is fixed, it can be fixed by the work from the front side, and there is no need to remove the mounting portion 23. Therefore, the mounting work becomes easy, and the bracket 1 can be easily removed by the work from the front side. .

[0025]

According to the present invention, it is not necessary to remove the mounting portion of the decorative board or the like which is troublesome in the mounting operation of the vehicle-mounted speaker, and the mounting operation of the bracket and the speaker unit can all be performed from the front side. In addition, the operation can be simplified and the number of man-hours can be reduced, and the number of parts can be reduced because nuts and the like are not required, so that total cost reduction can be achieved.

Further, since the speaker unit is of the type held by the holding bracket, even if it is difficult to form a tap for a bolt or the like on the speaker unit side, it can be securely attached.

[Brief description of the drawings]

FIG. 1 is a half sectional view showing a mounting state of a vehicle-mounted speaker mounting structure according to the present invention.

FIG. 2 is an exploded perspective view of a bracket, a spring metal, and a holding metal used in the mounting structure.

FIG. 3 is a plan view showing a stored state of a spring fitting and a holding fitting in a bracket.

FIG. 4 is an exploded perspective view showing an example of a conventional embedded speaker mounting structure.

FIG. 5 is an exploded perspective view showing an example of a conventional surface mounting type speaker mounting structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bracket 2 Flange 4 Slit 5 Spring metal 7 Leaf spring part 8 Fall prevention part 9 Finger hook part 10 Holding metal part 12 Engaging part 15 Fixing screw as fixing means 21 Speaker unit 23 Mounting part 24 Mounting hole

Claims (3)

(57) [Claims] An in-vehicle speaker mounting structure in which a bowl-shaped bracket is fitted in a mounting hole formed in a decorative board or other mounting portion, and a speaker unit is fitted and held in the bracket. A bowl-shaped bracket having a flange portion on the opening edge and having two slits facing each other on the side surface, a spring metal fitting provided on both ends with a leaf spring portion loosely inserted into the slit, and a speaker unit. And a fixing means for overlapping the spring metal and the holding metal and tightening and fixing the bracket to the bracket. An in-vehicle speaker mounting structure, wherein an edge portion is held between a flange portion of the bracket and a leaf spring portion of a spring metal fitting. 2. The mounting of the vehicle-mounted speaker according to claim 1, wherein a wide stopper portion is provided at a center portion of the spring bracket so as to prevent the spring bracket from dropping out of the slit of the bracket. Construction. 3. The on-vehicle speaker mounting structure according to claim 1, wherein the spring metal fitting is provided with a finger hook for aligning the spring metal fitting.