JPH059240Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a structure for mounting a door speaker to an automobile door.

[Conventional technology]

As shown in Fig. 2, an automobile door A is made by combining an outer panel B and an inner panel C such that a predetermined space is formed between them, and installing fittings such as a window regulator and door glass between them. In addition, a waterproof sheet D is installed on the inside surface of the inner panel C to prevent water that has entered between the outer panel B and the inner panel C from entering the passenger compartment. After pasting, door trim E is attached.

Incidentally, the door speaker F is conventionally attached to the door A having the above structure in the following manner. That is, as shown in FIG. 3, the door speaker mounting portions of the door trim E and inner panel C,
Approximately circular first and second openings 1 and 2 are formed, and a volume sufficient to surround the rear of the door speaker F is provided at the portion of the waterproof sheet D corresponding to the door speaker mounting portion, as shown in the figure. pouch with
Form D′.

When installing the door speaker F to the door A, first, before installing the door trim E to the door A, first insert the rear part of the door speaker F into the door through the second opening 2 provided in the inner panel C. A, and position the rear part of the door speaker F within the bag-shaped portion D' of the waterproof sheet D. Next, the door speaker F is fixed to the inner panel C by screwing 3 the flange portion F' provided on the front peripheral edge of the door speaker F to the peripheral edge of the second opening 2 of the inner panel C. After that, attach the door trim E to the inner panel C so that the first opening 1 provided in the door trim E faces the front surface of the door speaker F, and then attach the speaker to the interior side surface of the first opening 1. Attach the protective net 4 and complete the installation of the door speaker F to the door A. In addition, 5 in the figure is interposed between the rear part of the door speaker F and the bag-like part D' of the waterproof sheet D so that the bag-like part D' of the waterproof sheet D does not interfere with the rear part of the door speaker F. It is a speaker cover. Further, as a conventional example of the above-mentioned mounting structure, there is a mounting structure for an automobile door speaker disclosed in Japanese Utility Model Application Publication No. 137742/1983.

[The problem that the idea aims to solve]

If the door speaker F is attached to the door A as described above, the second opening 2 of the inner panel C
A bag-shaped portion D' of the waterproof sheet D is interposed between the door speaker F and the door speaker F. Therefore, even if rainwater etc. enters between the outer panel B and the inner panel C, troubles such as this rainwater entering the inside of the vehicle from the mounting part of the door speaker F and wetting the door trim E can be avoided. It can be prevented. but,
When the door speaker mounting part is waterproofed by the above method, the rear outer periphery of the door speaker F is covered by the bag-shaped part D' of the waterproof sheet D, which affects the acoustic characteristics of the door speaker F, especially in the low range. There was a problem that it was said to have a negative effect on the acoustic characteristics. In particular, this influence has been a big problem since the door speaker F is usually connected to the amplifier section of a car stereo and is mainly used for listening to sound. In addition, some waterproof sheets D improve low-frequency acoustic characteristics by providing openings only in areas that do not significantly affect the sealing performance of the bag-shaped portion D'; however, the effect is not sufficient. It wasn't.

[Means to solve the problem]

A first opening provided in a door trim attached to the interior side surface of an inner panel of an automobile door via a waterproof sheet, and the first opening formed at a position facing the opening of the waterproof sheet and the inner panel. a spacer comprising second and third openings having a smaller diameter than the opening, a cylindrical part inserted into the door from the first opening, and a flange part fixed to the peripheral edge of the first opening; an elastic sealing member that is attached to the door-side end surface of the cylindrical portion of the spacer and presses against the peripheral edge of the second opening of the waterproof sheet that is in contact with the inner panel when the spacer is fixed to the door trim; and a door speaker having a flange portion that contacts the flange portion of the spacer, the flange portion of the door speaker being fixed to the flange portion of the spacer fixed to the door trim.

[Effect]

As mentioned above, when attaching a door speaker to a door using a spacer, by interposing a sealing member on the joint surface between the inner panel and the spacer,
The mounting part is completely sealed without blocking the rear part of the door speaker.

〔Example〕

Figure 1 shows outer panel B and inner panel C.
This figure shows the state in which a door speaker F is attached using the mounting structure according to the present invention to a door A, which is made up of a door trim E attached to the interior side surface of an inner panel C via a waterproof sheet D. be. In the figure, reference numerals 10, 11, and 12 are first to third openings each having a substantially circular shape and formed in the door trim E, the waterproof sheet D, and the inner panel C, respectively. These openings 10, 11, and 12 are formed substantially coaxially, and the openings 10, 11, and 12 are formed on the same axis.
Only the opening 10 is formed to have a slightly larger diameter than the other two openings 11 and 12. 13 is a cylindrical portion 13a inserted into the door A from the first opening 10;
and a flange portion 13b fixed to the peripheral edge of the first opening 10; 14 is a ring-shaped sealing member affixed to the door-side end surface of the cylindrical portion 13a of the spacer 13; Member 14
For this purpose, use something with elasticity such as urethane seal. Further, numeral 15 in the figure is a net for protecting the speaker.

In the above configuration, the door speaker F according to the present invention is attached to the door A in the following manner. First, the cylindrical part 13a of the spacer 13 is inserted into the door A through the first opening 10 provided in the door trim E, and the sealing member 14 affixed to the cylindrical part 13a is
It is brought into contact with the peripheral edge of the second opening 11 of the waterproof sheet D that is in contact with the inner panel C. Next, the rear part of the door speaker F is attached to the cylindrical part 13a of the spacer 13.
The flange portion F' provided on the front surface of the door speaker F is brought into contact with the flange portion 13b of the spacer 13, and a protective net 15 is further placed on the front surface of the door speaker F. After that, by fastening the net 15, the door speaker F, and the flange portions F', 13b of the spacer 13 to the peripheral edge of the first opening 10 of the door trim E using the screws 16, they are attached to the cylindrical portion 13a of the spacer 13. The sealing member 14 presses the waterproof sheet D toward the inner panel C side and comes into pressure contact with the waterproof sheet D, completely sealing this joint surface, and at the same time, the door speaker F is fixed to the door trim E. When the door speaker F is attached to the door A in this way, the waterproof sheet D and the seal member 1
4 is interposed in a close contact state, so that the joint surface between the inner panel C and the spacer 13 can be completely sealed, and at the same time, the rear part of the door speaker F can be opened wide toward the inside of the door A. I can do it. Therefore, while preventing rainwater that has entered the door A from entering the vehicle interior through the attachment part of the door speaker F to the door A, the acoustic characteristics of the door speaker F, especially the low-frequency acoustic characteristics, can be significantly improved. It can be improved. Note that with the above mounting structure, water that has entered the door A may directly splash onto the rear of the door speaker F, so it is preferable to use a waterproof speaker as the door speaker F.

[Effect of idea]

As described above, the present invention uses a spacer consisting of a cylindrical part and a flange part to attach a door speaker to a door, and at the time of this attachment, a sealing member is interposed between the spacer and the inner panel of the door. This makes it possible to completely seal the mounting portion without blocking the rear part of the door speaker. Therefore, rainwater that has entered the door can be prevented from entering the vehicle interior through the attachment portion of the door speaker to the door, and the acoustic characteristics of the door speaker, particularly the low-frequency acoustic characteristics, can be significantly improved. In addition, since the sealing member is made of elastic material, even if there is some unevenness on the surface of the inner panel that comes into contact with the sealing member, this unevenness can always be absorbed by the sealing member. This makes it possible to always seal this part perfectly.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing the mounting structure according to the present invention;
FIG. 2 is an exploded perspective view showing the structure of the door, and FIG. 3 is a sectional view showing the conventional mounting structure. A...door, C...inner panel, D...waterproof sheet, E...door trim, F...door speaker, F'...flange section, 10...first opening, 1
1... second opening, 12... third opening, 13...
...Spacer, 13a...Cylindrical part, 13b...Flange part.

Claims (1)

[Scope of utility model registration request] A first opening provided in a door trim attached to the interior side surface of an inner panel of an automobile door via a waterproof sheet, and the first opening formed at a position facing the opening of the waterproof sheet and the inner panel. a spacer comprising second and third openings having a smaller diameter than the opening, a cylindrical part inserted into the door from the first opening, and a flange part fixed to the peripheral edge of the first opening; an elastic sealing member that is attached to the door-side end surface of the cylindrical portion of the spacer and presses against the peripheral edge of the second opening of the waterproof sheet that is in contact with the inner panel when the spacer is fixed to the door trim; and a door speaker having a flange portion that comes into contact with the flange portion of the spacer, the flange portion of the door speaker being fixed to the flange portion of the spacer fixed to the door trim. Speaker mounting structure.