JP3211937B2 - Automotive interior parts - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile interior part such as an automobile door trim or a rear corner trim mounted on a vehicle body side wall, and more particularly to an automobile interior part having a simplified configuration of a pocket portion and a speaker grille portion. Related to interior parts.

[0002]

2. Description of the Related Art For example, a conventional example of an automobile door trim having a pocket portion and a speaker grill portion is shown in FIGS.
In the door trim 1 for an automobile, a pocket opening 3 is opened in a door trim main body 2 formed into a desired curved shape, and a backing board 4 is attached to the back side of the pocket opening 3. Have been.

[0005] Usually, a speaker opening 5 is provided in front of the pocket opening 3, and a speaker grill 6 is attached from the front side of the product so as to cover the speaker opening 5.

As shown in FIG. 12, the mounting structure of the backing board 4 and the speaker grill 6 is such that the backing board 4 is positioned from the back side of the product and is mounted on the mounting boss 2a formed on the door trim main body 2. The backing board 4 is attached to the door trim main body 2 by locating the mounting hole 4a provided in the peripheral edge of the backing board 4 and tightening and fixing the screw 7.

Further, the speaker grille 6 is positioned from the front side of the product, and is similarly fastened from the back side of the door trim main body 2 via screws 7.

Further, as shown in FIGS. 13 and 14, when the door trim main body 2 is made of a synthetic resin injection-molded body, the speaker grill 8 is provided integrally with the door trim main body 2 to simplify the installation of the vehicle door trim. 1 'is also used.

[0007]

As described above, in a conventional automobile door trim 1 having a pocket portion and a speaker grill portion, for example, in the type shown in FIGS. Since three parts, the backing board 4 and the speaker grille 6, are required, the total molding process is enormous, which leads to an increase in the cost of the product and a troublesome management process for each part.

Further, in order to attach the backing board 4 and the speaker grille 6 to the door trim main body 2, the backing board 4 is positioned from the back side of the door trim main body 2, and is fastened and fixed with screws 7, and the front side of the door trim 2 is fixed. The speaker grille 6 is positioned at a predetermined position, and the backing board 4 and the speaker grille 6 are similarly assembled and fixed with screws from the back side of the door trim 2. This is a major factor that leads to higher product costs.

On the other hand, a door trim 1 shown in FIGS.
In ′, the speaker grill 8 is attached to the door trim main body 2.
Is integrated, it is only necessary to fix the backing board 4 to the door trim body 2 with screws, so that the assembling work can be simplified, but the speaker grill portion 8 (a large number of fine (In which an opening and a slit are required), the pressure at the time of injection molding must be set high, and a mold structure that can withstand the pressure is required. For example, there is a method limitation that a method such as press molding cannot be used.

Further, in both door trims 1 and 1 'shown in FIGS. 11 and 13, it cannot be diverted to a specification in which a speaker grill is not set, and it is necessary to prepare a door trim body for each specification.

The present invention has been made in view of such circumstances, and in an automobile interior part having a pocket portion and a speaker grill, the number of parts is reduced, and a molding step and an assembling step of each part are performed. While simplifying and reducing cost, molding with a simple injection mold is possible,
It is another object of the present invention to provide an automobile interior part having a wide range of options for a method such as stamping molding.

[0012]

In order to achieve the above object, the present invention relates to a backing board made of a synthetic resin injection molded body attached to the back side of a pocket opening formed in a trim main body. speaker grille having a speaker hole is opened Rutotomoni provided integrally, the trim main body, have a substantially identical outer shape as the outer shape of the speaker grille
The speaker grill portion of the backing board is exposed to the front side of the product through a speaker opening.

Here, the trim body can be a synthetic resin molded body alone or a laminated structure in which a skin is adhered to the surface of a synthetic resin molded body. As a molding method of the synthetic resin molded body, An injection molding method, a stamping molding method and the like can be mentioned.

Further, the pocket opening and the speaker opening formed in the trim main body may be formed continuously at a predetermined position below the trim main body, or may be provided separately.

On the other hand, the backing board attached to the back side of the pocket opening provided in the trim body is made of PP resin,
It is made of an injection molded body of synthetic resin such as ABS resin, and has a mounting hole for mounting it on the trim body along the periphery, and a speaker grill at one end side.
Numerous openings or slits are provided.

The speaker grill portion may be set flush with the pocket rear plate portion of the backing board portion. It may be formed so as to be united or may be recessed toward the panel side.

Further, a decorative skin such as a cloth or a resin sheet may be attached to the inner surface side of the pocket back plate portion of the backing board, or a speaker net may be attached to the speaker grill surface.

As is apparent from the above configuration, the synthetic resin
Since the speaker grill is integrally formed on the backing board made of a molded body , the number of parts can be reduced as compared with the conventional three-piece structure of the trim body, the backing board and the speaker grill, and the back side of the trim body is provided on the back side. It is only necessary to attach the contact board, so that the assembling work can be simplified and the number of fastening points can be reduced.

Further, since the speaker grille is integrally formed on the backing board, only a pocket opening and a speaker opening need to be opened in the trim main body, and a simple injection mold can be used. Stamping molding can be applied in addition to injection molding.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Various embodiments in which an automobile interior part according to the present invention is applied to an automobile door trim will be described below in detail with reference to the accompanying drawings.

1 to 7 show a first embodiment of the present invention. FIG. 1 is a front view of an automobile door trim, FIG. 2 is a longitudinal sectional view of the automobile door trim, and FIG. 3 is an automobile door trim. FIG. 4 is an exploded perspective view showing a state in which the backing board is attached to the door trim body, FIG. 5 is a perspective view showing a modification of the backing board, and FIGS. 6 and 7 are backing boards shown in FIG. FIG. 4 is a longitudinal sectional view and a transverse sectional view when using the.

8 to 10 show a second embodiment in which the present invention is applied to a door trim. FIG. 8 is a front view showing a door trim, FIG. 9 is a perspective view showing a backing board,
FIG. 10 is a sectional view showing a state where a backing board is attached to the door trim main body.

Referring to FIGS. 1 to 4, the door trim 10 for an automobile generally includes a door trim main body 20 formed into a desired curved shape and a backing board 30 attached to the rear side of the door trim main body 20. ing.

More specifically, the door trim main body 20 is
A skin material is adhered to the surface of a core material made of an injection molded body of a general-purpose synthetic resin such as a P resin or an ABS resin, and an armrest portion 21 which protrudes toward the interior of the vehicle cabin is formed substantially at the center. At the same time, a pocket opening 22 is formed below the opening, and a speaker opening 23 is formed in front of the opening 22 so as to be connected to the pocket opening 22.

On the other hand, the backing board 30 is made of PP resin, A
It is made of an injection-molded body such as BS resin, and has a substantially flat pocket back plate portion 31 and, compared to the pocket back plate portion 31, protrudes in an embossed shape toward the vehicle interior side and has numerous openings or slits on its surface. The speaker grilles 32 are integrally connected to each other, and mounting holes 33 are formed at appropriate intervals along the periphery of the backing board 30.

Next, the mounting structure for mounting the backing board 30 to the door trim main body 20 will be described. The backing board 30 is positioned at an appropriate position from the back side of the door trim main body 20, and the mounting boss provided on the door trim main body 20 is provided. 24, the mounting holes 33 of the backing board 30 are aligned with each other, and the mounting screws 34 are tightened and fixed.
The backing board 30 can be easily assembled and fixed to the door trim main body 20, and the manufacture of the door trim 10 can be completed easily.

In place of the screw fixing, pegs are protruded at appropriate intervals around the back surface of the backing board 30, and the tips of the pegs are fixed by caulking by ultrasonic welding or fixed by inserting a push nut. You may.

Therefore, in this embodiment, since the speaker grill portion 32 is formed integrally with the backing board 30, the backing board is arranged on the back side of the door trim body as in the prior art, and the door trim body is provided. Compared to a structure in which the speaker grilles are positioned on the front side of the door trim and fixed by screws or the like, the number of components is two members of the door trim main body 20 and the backing board 30, and
There are advantages in that the assembling work can be greatly simplified, such as the number of fixed points can be reduced, and that parts management is also easy, resulting in significant cost reduction.

Further, since the speaker grill portion 32 is provided on the backing board 30, the door trim main body 20 only needs to be provided with the pocket opening 22 and the speaker opening 23 connected to each other. There is an advantage that molding can be performed with a simple injection molding die, and can also be performed in stamping molding, and various molding methods applied to the door trim body 20 can be used.

Next, FIGS. 5 to 7 show modifications of the above-described first embodiment. As shown in FIG. 5, the speaker grill 32 is set flush with the pocket back plate 31. .

The backing board 30 is connected to the door trim main body 2.
The structure to be assembled to the first embodiment is the same as that of the above-described first embodiment, and therefore will not be described here. Since the pocket 32 is flush with the pocket back plate 31, there is an additional advantage that it does not hinder the operation of taking in and out the equipment in the pocket and improves the usability.

If the speaker grill 32 is recessed toward the panel with respect to the pocket back plate 31, it is possible to increase the pocket volume.

Next, FIGS. 8 to 10 show a second embodiment of the present invention. As shown in FIG.
Numeral 0 denotes a configuration of the upper and lower two-split type.

That is, although not shown, the upper member 40 has a laminated structure in which a surface material having a decorative property and a cushioning property is adhered to the surface of a resin core material having a shape retaining property, and a lower member is used. Numeral 50 is made of a synthetic resin injection-molded body, and is formed by joining the lower edge of the upper member 40 and the upper edge of the lower member 50 to enhance the design of the product by contrast in appearance. ing.

Further, the lower member 50 corresponds to the door trim main body 20 described above, and the lower member 50 is formed with the pocket opening 22 and the speaker opening 23 separated from each other.

As shown in FIG. 9, the backing board 30 includes a pocket back plate 31 and a speaker grill 32.
Are formed integrally, a mounting hole 33 is opened in the periphery, a skin 35 such as a cloth is adhered to the inner surface side of the pocket back plate portion 31, and a speaker is provided on the surface of the speaker grill portion 32. A net 36 is attached.

The inner surface of the pocket back plate 31 may be decorated by painting.

Next, in order to attach the backing board 30 to the lower member 50, the backing board 30 is located at an appropriate position from the back side of the lower member 50, and the mounting hole 33 of the backing board 30 and the lower member 50 are mounted. The mounting boss 24 provided on the backing board 30 is made to coincide with the mounting boss 24, and tightened and fixed with the screw 34, thereby easily completing the mounting of the backing board 30.

Also in this embodiment, the molding process and the attachment process of each part can be simplified, and in this embodiment, the partition between the pocket portion and the speaker grill portion can be beautifully performed, and the product design can be enhanced. There is an effect that can be.

As described above, the backing board 30 is attached to the back of the door trim body 20 according to the first embodiment, or to the lower member 50 made of a two-part resin molded body. Reliance board 3
0 may be attached.

It is to be noted that the present invention can be applied to a rear corner trim and the like in addition to the door trim.
0 and the lower member 50 have the advantage that they can share the same one.

[0042]

As described above, the present invention has the following special functions and effects.

(1) According to the present invention, a speaker grille is integrally formed on a backing board made of a synthetic resin molded body , and a speaker opening for exposing the speaker grille to the front side on a trim main body side. As compared with the conventional configuration that requires three parts: the trim body, backing board, and speaker grille, the number of parts is reduced, the molding process can be shortened, and the management of each part is also reduced. It has the effect that it can be easily performed.

(2) According to the present invention, a speaker grille is integrally formed on a backing board made of a synthetic resin molded body , and a speaker opening for exposing the speaker grille to the front side is provided on a trim main body side. Since it is to be opened, the assembly is completed by simply attaching the backing board from the back side of the trim body, compared to the conventional configuration that required three parts: the trim body, backing board, and speaker grille. Since the number of fastening points can be reduced, the assembling operation can be performed easily and easily, which has the effect of greatly reducing costs.

(3) The present invention provides a speaker for integrally forming a speaker grill portion on a backing board made of a synthetic resin molded body and exposing the speaker grill portion on the trim body side to the front side. The trim main body has a simpler opening with a pocket opening and a speaker opening than the conventional structure in which a speaker grille is provided on the trim main body. It is possible to use a molding die, and it is also possible to use a stamping mold in addition to the injection molding.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment in which the present invention is applied to an automobile door trim.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG. 1;

FIG. 4 is an exploded perspective view showing a door trim main body and a backing board in the automobile door trim shown in FIG. 1;

FIG. 5 is a perspective view showing a modified embodiment of the backing board.

FIG. 6 is a longitudinal sectional view showing a state where the backing board shown in FIG. 5 is attached to a door trim main body.

FIG. 7 is a cross-sectional view showing a state where the backing board shown in FIG. 5 is attached to the door trim main body.

FIG. 8 is a front view showing a second embodiment in which the present invention is applied to an automobile door trim.

FIG. 9 is a perspective view showing a backing board used for the automobile door trim shown in FIG. 8;

FIG. 10 is a sectional view taken along line XX in FIG. 8;

FIG. 11 is a front view showing a conventional automobile door trim.

FIG. 12 is a sectional view taken along the line XII-XII in FIG. 11;

FIG. 13 is a front view showing a conventional automobile door trim.

FIG. 14 is a sectional view taken along line XIV-XIV in FIG. 13;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Door trim 20 Door trim main body 22 Pocket opening 23 Speaker opening 24 Mounting boss 30 Backing board 31 Pocket back plate part 32 Speaker grill part 33 Mounting hole 50 Lower member

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60J 5/00 B60J 5/04 B60R 7/04

Claims (3)

(57) [Claims] A speaker having a large number of speaker holes in a backing board (30) made of a synthetic resin injection molded body attached to the back side of a pocket opening (22) opened in a trim body (20, 50). grill unit (32) is opened in Rutotomoni provided integrally, trim main body (20, 50), substantially the same as the outer shape of the speaker grille (32)
An interior part for an automobile, wherein a speaker grill portion (32) of the backing board (30) is exposed to a product surface side through a speaker opening (23) having one external shape . 2. The interior part for an automobile according to claim 1, wherein the pocket opening (22) and the speaker opening (23) are formed continuously with the trim main body (20) . 3. The opening for a pocket (22) and the opening for a speaker (23) are separately opened in a trim body (50) , and the opening for a speaker (23).
The interior part for an automobile according to claim 1, wherein the shape is provided in a shape corresponding to the outer shape of the speaker grill portion (32) of the backing board (30).