JPH09254652A - Interior member for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of part items, and simplify an assembly process so as to lower a cost, by exposing the speaker grill of a backing board on a product surface side through an opening for a speaker which is opened in a trim main body. SOLUTION: A door trim for an automobile comprises a door trim main body 20 formed into a desired curved shape and a backing board 30 attached on the rear surface side of the door trim main body 20. An arm rest swelled on an interior side is protuberantly formed in the approximately center of the door trim main body 20. Further, a pocket opening 22 is opened on the lower side of the arm rest, and a speaker opening 23 provided adjacently to this pocket opening 22 is opened. While, an approximately flat pocket rear surface board 31 and a speaker grill 32 projected in an embossed shape toward the interior side are integrally provided adjacent to each other and formed on the backing board 30. Also, mounting holes 33 are opened per appropriate interval along the periphery of the backing board 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to automobile interior parts such as automobile door trims and rear corner trims mounted on a side wall of a vehicle body, and more particularly to automobiles having a simplified structure of pockets and speaker grilles. Regarding 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.
2, the automobile door trim 1 has a pocket trimming opening 3 formed in a door trim body 2 formed in a desired curved shape, and a backing board 4 is attached to the back side of the pocket trimming opening 3. Has been.

Further, a speaker opening 5 is usually provided in front of the pocket opening 3, and a speaker grill 6 is attached from the product surface side 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 body 2. The backing board 4 is attached to the door trim body 2 by locating the mounting holes 4a provided in the peripheral edge of the backing board 4 and fastening and fixing the screws 7.

Further, with respect to the speaker grill 6, the speaker grill 6 is positioned from the front surface side of the product, and similarly, the speaker grill 6 is tightened and fixed from the rear surface side of the door trim main body 2 via a screw 7.

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

[0007]

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

Further, in order to attach the backing board 4 and the speaker grill 6 to the door trim body 2, the backing board 4 is positioned from the back side of the door trim body 2 and is fixed by tightening the screw 7, and the front side of the door trim 2 is fixed. Since the speaker grill 6 is positioned at a predetermined position and the rear side of the door trim 2 is likewise fixed with a screw, a lot of man-hours for assembling the backing board 4 and the speaker grill 6 are required, and the work is troublesome. This is a major factor in increasing the cost of the product.

On the other hand, the door trim 1 shown in FIGS.
′, The speaker grill portion 8 is attached to the door trim body 2.
Since the back trimming board 4 is integrated with the door trim body 2, it is only necessary to fix the backing board 4 to the door trim body 2 with screws. (In order to integrate the openings and slits), the pressure at the time of injection molding must be set high, and a mold structure that can withstand it is required, so the mold cost rises and other than injection molding. However, there is a constructional constraint that construction methods such as press molding cannot be used.

Furthermore, the door trims 1 and 1'shown in FIGS. 11 and 13 cannot be diverted to the specifications in which the 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 the above circumstances, and in an automobile interior part having a pocket portion and a speaker grill, the number of parts is reduced, and a molding process and an assembling process of each part are performed. In addition to simplification and cost reduction, it is possible to mold with a simple injection mold,
Moreover, it is an object of the present invention to provide interior parts for automobiles in which the range of construction methods such as stamping molding and the like can be expanded.

[0012]

In order to achieve the above object, the present invention provides a trim grill in which a speaker grill portion is integrally provided on a backing board mounted on the back side of a pocket opening formed in a trim body. It is characterized in that the speaker grill portion of the backing board is exposed to the product surface side through a speaker opening formed in the main body.

Here, the trim main body can be a synthetic resin molded body alone or a laminated structure having a surface of a synthetic resin molded body adhered with a skin, and as a molding method of the synthetic resin molded body, Examples include an injection molding method and a stamping mold molding method.

Further, the pocket opening and the speaker opening formed in the trim body may be formed continuously at predetermined locations on the lower side of the trim body, but may be provided separately.

On the other hand, the backing board attached to the back side for the pocket provided in the trim body is made of PP resin, AB.
It is made of an injection-molded body of synthetic resin such as S resin and has a mounting hole along the periphery for mounting to the trim body, and a large number of openings or slits are formed as a speaker grill portion on one end side. There is.

The speaker grill portion may be set to be flush with the pocket back plate portion of the backing board portion, but it is formed in an embossed shape toward the inside of the vehicle compartment to form a surface and a surface of the trim body. They may be formed so as to be unitary 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 of the pocket back plate portion of the backing board, or a speaker net may be attached to the surface of the speaker grill portion.

As is apparent from the above structure, since the speaker grill portion is integrally formed on the backing board, 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. , You only need to attach the backing board to the back side of the trim body,
Assembly work can be simplified and the number of fastening points can be reduced.

Further, since the speaker grill portion is integrally formed on the backing board, it is only necessary to open the pocket opening and the speaker opening in the trim body, and it becomes possible to use a simple injection molding die. In addition to injection molding, stamping molding can be applied.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Various embodiments in which an automobile interior part according to the present invention is applied to an automobile door trim will be described in detail below 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 the automobile door trim. 4 is an exploded perspective view showing a state where the backing board is attached to the door trim body, FIG. 5 is a perspective view showing a modified example of the backing board, and FIGS. 6 and 7 are backing boards shown in FIG. It is a longitudinal section and a transverse section when using.

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 the door trim, and FIG. 9 is a perspective view showing a backing board.
FIG. 10 is a sectional view showing a state where the backing board is attached to the door trim body.

1 to 4, an automobile door trim 10 is generally composed of two members, a door trim main body 20 formed into a desired curved shape and a backing board 30 attached to the back side of the door trim main body 20. ing.

More specifically, the door trim body 20 has a P
A skin material is attached to the surface of a core material made of an injection-molded product of general-purpose synthetic resin such as P resin or ABS resin, and an armrest portion 21 that bulges toward the vehicle interior is formed at a substantially central portion in a protruding manner. At the same time, a pocket opening 22 is formed on the lower side thereof, and a speaker opening 23 is formed on the front side of the pocket opening 22 so as to be continuous with 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 an embossed shape protruding toward the inside of the vehicle as compared with this pocket back plate portion 31, and a large number of openings or slits are provided on the surface thereof. The speaker grill portion 32 is integrally formed so as to be integrally connected, and the mounting holes 33 are formed along the periphery of the backing board 30 at appropriate intervals.

Next, the mounting structure for attaching the backing board 30 to the door trim body 20 will be described. The backing board 30 is appropriately positioned from the back side of the door trim body 20, and the mounting boss provided on the door trim body 20. By aligning the mounting holes 33 of the backing board 30 with 24 and tightening and fixing the mounting screws 34,
The backing board 30 can be easily assembled and fixed to the door trim body 20, and the manufacture of the door trim 10 can be completed easily.

Instead of fixing with screws, pegs are provided on the back surface of the backing board 30 at appropriate intervals, and the tips of the pegs are caulked and fixed by ultrasonic welding, or fixed with push nuts. You may.

Therefore, in this embodiment, since the speaker grill portion 32 is integrally formed on the backing board 30, the backing board is arranged on the back side of the door trim body as in the conventional case, and the door trim body is arranged. In comparison with the structure in which the speaker grills are respectively positioned on the front surface side and fixed by screws or the like, the number of parts is two members, the door trim body 20 and the backing board 30, and
As a result, the number of fixing points can be reduced, and assembly work can be greatly simplified, parts can be easily managed, and the cost can be significantly reduced.

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 in series, and the door trim main body 20 does not have much injection pressure. Is not required to be set high, molding can be performed with a simple injection molding die, and molding can 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 a modification of the above-described first embodiment. As shown in FIG. 5, the speaker grill portion 32 is set flush with the pocket back plate portion 31. .

The backing board 30 is attached to the door trim body 2
Although the structure for assembling to 0 is the same as that of the first embodiment described above, it is omitted here. However, this modification can also bring about a significant cost reduction due to the simplification of the assembling man-hours and the molding process, and the speaker grill part. Since 32 is set flush with the pocket back plate portion 31, there is an additional advantage that it does not hinder the work when putting equipment in and out of the pocket and improves usability.

If the speaker grill portion 32 is set to be recessed on the panel side with the pocket back plate portion 31 as a reference, the pocket volume can be increased.

Next, FIGS. 8 to 10 show a second embodiment of the present invention. As shown in FIG.
0 is a structure of upper and lower halves.

That is, although not shown, the upper member 40 has a laminated structure in which a surface of a resin core material having a shape-retaining property is adhered with a skin material having a decorative property and a cushioning property. Reference numeral 50 denotes an injection-molded body of synthetic resin, which is configured by joining the lower end edge of the upper member 40 and the upper end edge of the lower member 50, and has a configuration that enhances the design of the product due to the appearance contrast. ing.

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

As shown in FIG. 9, the backing board 30 includes a pocket back plate portion 31 and a speaker grill portion 32.
Are integrally formed with each other, a mounting hole 33 is formed in the periphery, a skin 35 such as a cloth is attached 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 portion 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 from the rear surface of the lower member 50 to an appropriate position, and the mounting hole 33 of the backing board 30 and the lower member 50 are located. The mounting boss 24 provided on the backing board 30 is aligned with the mounting boss 24, and the backing board 30 is easily mounted.

Also in this embodiment, the molding process and the mounting process of each component can be simplified, and in this embodiment, in particular, the parting between the pocket portion and the speaker grill portion can be beautifully performed, and the product design can be improved. The effect is that you can do it.

As described above, the backing board 30 is attached to the back member of the first embodiment which is attached to the back side of the door trim body 20 and the lower member 50 which is made of the upper and lower two-divided type resin molded body. Batting board 3
You may make it attach 0.

In addition to the door trim, it can be applied to a rear corner trim and the like, and the door trim main body 2 can be applied to a door trim of a specification without a speaker.
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 operational effects.

(1) The present invention has a structure in which the speaker grill portion is integrally formed on the backing board, and the speaker opening for exposing the speaker grill portion on the front surface side is formed on the trim body side. By reducing the number of parts, the molding process can be shortened and the management of each part can be easily performed as compared with the conventional configuration that requires three parts of the main body, the backing board, and the speaker grill.

(2) According to the present invention, the speaker grill portion is integrally formed on the backing board and the speaker opening for exposing the speaker grill portion to the front surface side is formed on the trim body side. Compared to a configuration that requires three parts: the trim body, backing board, and speaker grill, assembly can be completed by simply attaching the backing board from the back side of the trim body, and the number of fastening points can be reduced This has the effect that the work can be performed easily and easily, resulting in a significant cost reduction.

(3) The present invention has a structure in which the speaker grill portion is integrally formed on the backing board, and a speaker opening for exposing the speaker grill portion to the surface side is formed on the trim body side. In comparison with the conventional structure in which the speaker grill part is provided on the trim body side, the trim body side has a simple structure of opening a pocket opening and a speaker opening, and a simple injection mold can be used. In addition to injection molding, stamping molding can be used, which has the effect of increasing the degree of freedom in the selection of construction methods.

[Brief description of 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 body and a backing board in the vehicle door trim shown in FIG.

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

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

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

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

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

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]

 10 Car Door Trim 20 Door Trim Body 22 Pocket Opening 23 Speaker Opening 24 Mounting Boss 30 Backing Board 31 Pocket Back Plate 32 Speaker Grill 33 Mounting Hole 50 Lower Member

Claims (4)

[Claims] 1. A trim grill body (32) is integrally provided on a backing board (30) mounted on the back side of a pocket opening (22) formed in the trim body (20, 50), and the trim body (32) is integrally provided. Through the speaker opening (23) opened at 20, 50), the backing board (3)
An interior part for an automobile, characterized in that the speaker grill part (32) of 0) is exposed on the surface side of the product. 2. The interior part for an automobile according to claim 1, wherein the opening (22) for the pocket and the opening (23) for the speaker are continuously formed on the trim body (20, 50). 3. The interior of an automobile according to claim 1, wherein the pocket opening (22) and the speaker opening (23) are separately formed in the trim body (20, 50). parts. 4. The surface of the pocket back plate (31) of the backing board (30) is decorated, and the speaker net (36) is attached to the surface of the speaker grill (32). The automobile interior part according to claim 1, which is characterized in that.