JPH1113717A - Fixing tool mounting part for foam-molded product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify an assembly process wherein a fixing tool mounting part and the foam-molded product are constituted so as to be integrally molded without damaging moldability of the fixing tool moulding part. SOLUTION: In a fixing tool mounting part 5 for foam-molded product to mount a fixing tool to fix a foam-molded product on a car body, the fixing tool mounting part 5 comprises a body part 6 consisting of an upper surface 6a and a side wall 6b extending downward from the outer periphery of the upper surface; a partition wall 7 to vertically divide the body part 6 into two pieces; and a mounting part 8 which is brought into contact with the under surface of the body part 6 and having a flange 9 arranged at the whole periphery of the side wall 6b and mounting a fixing tool on the upper surface 6a of the body part 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing part for a foam molded product, and more particularly, to a foam molded product in which a fixture for fixing the foam molded product to an automobile body or the like is provided integrally with the foam molded product. The present invention relates to a fixture mounting part for a product.

[0002]

2. Description of the Related Art Hitherto, as a structure of a fixture attaching part for attaching a fixture for fixing a foam molded article to an automobile body or the like to the foam molded article, for example, Japanese Utility Model Application Laid-Open No. 62-95930.
As disclosed in the publication, in an automobile door panel composed of a foam and a skin covering the foam,
A hollow member (fixture attachment part) having an opening is provided on the surface of the foam opposite to the skin, and an insert (fixture) is attached to this hollow member. There is one in which the claw portion of the insert projects from the hollow member so as to be engaged with the hollow member so as to be located inside the hollow member.

Further, as disclosed in Japanese Utility Model Laid-Open Publication No. 18614/1988, a mounting seat (fixing component mounting component) for mounting a clip (fixing device) for fixing a door trim which is a foam molded product to an inner panel of an automobile. As a structure of the above, a mounting portion for attaching a clip to a substrate mounted on a foam molded product is provided so as to protrude from the substrate, and this mounting seat is mounted on the door trim after foam molding of the door trim. is there.

[0004]

However, in the former one of the above-mentioned conventional ones, a predetermined gap is required between the insert and the locking member in order to position the locking member of the insert in the hollow member. For this reason, at the time of foam molding of the foamed resin, there is a possibility that the foamed resin may enter the hollow member from the fitting portion between the hollow member and the insert, and it is substantially difficult to integrally mold the hollow member with the foam. Met. Furthermore, if a hollow member is to be machined, it is necessary to perform blow molding. However, according to blow molding, there is a problem that the wall thickness is uneven and thin, so that it is difficult to mount the insert, and that sufficient mounting strength cannot be obtained. .

On the other hand, the latter of the above-mentioned conventional ones does not have the above-described molding problem because it has no hollow portion, but the mounting seat for attaching the grip is not integrally molded with the foam molded article. Therefore, it has to be mounted with screws or the like after molding, and there has been a problem that the assembly process becomes complicated.

SUMMARY OF THE INVENTION The present invention has been proposed as a result of intensive studies in view of the above points, and is made by integrally molding a fixture mounting part and a foam molded article without impairing the moldability of the fixture mounting part. An object of the present invention is to simplify the assembling process by adopting such a configuration.

[0007]

A feature of the present invention to achieve the above object is a fixture for mounting a foam molded article for attaching a fixture for fixing the foam molded article to a vehicle body or the like. The fixing fixture mounting component includes a main body portion including an upper surface, a side wall extending downward from the outer periphery of the upper surface, and a partition wall vertically divided into two parts, and a flange is provided on the entire periphery of the side wall in contact with the lower surface of the main body portion. A fixture attachment part of a foam molded product, wherein a fixture attachment portion for attaching a fixture is provided on an upper surface of the main body.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 5 shows the entire structure of a door trim 1 arranged inside a door panel of an automobile,
2 is a door trim body as a foam molded product, 3 is a fixture for fixing the door trim body 2 to the vehicle body 4 (door panel) at several places, and 5 is a fixture attachment part for attaching the fixture 3 to the door trim body 2. The door trim main body 2 and the fixture attaching part 5 are integrally formed of a foamed resin as described later.

As shown in FIG. 4, the fixture 3 comprises a vehicle body side engaging portion 3A which engages with the vehicle body 4 and a door trim side engaging portion 3B which engages with the door trim main body 2. An engagement portion 3A has an anchor portion 3a inserted into an engagement hole (not shown) of the vehicle body 4 and a flange portion for holding the vehicle body 4 together with the anchor portion 3a when the vehicle body 4 is inserted into the engagement hole. 3b, while the door trim side engaging portion 3B is provided with flange-shaped holding portions 3c, 3c having the same diameter, and the holding portions 3c, 3c.
And a constricted portion 3d between them.

Here, the features of the present invention are shown in FIGS.
As shown in the figure, the fixture mounting component 5 has a main body 6 composed of an upper surface 6a, a side wall 6b extending downward from the outer periphery of the upper surface 6a, and a partition 7 dividing the upper and lower parts into two parts. Is provided with a flange 8 over substantially the entire circumference of the side wall 6b.

On the upper surface 6a of the main body 6, there is formed a fixture attachment portion 9 for attaching the fixture 3, and the fixture attachment portion 9 has a locking portion 9a of a circular hole and an introduction portion. 9b, and the locking portion 9a and the introduction portion 9b are partially connected. That is, the fixing device 3 is introduced from the introduction portion 9b of the fixing device mounting portion 9 to the internal locking portion 9a so that the position of the door trim side engaging portion 3B is aligned with the upper surface 6a of the main body 6. The fixture 3 is attached to the fixture attachment part 5.

Further, the upper surface 6 of the main body 6 of the fixture mounting part 5
a has an introduction portion 9b and a locking portion 9a, the introduction portion 9b has a side wall surface opened to a position of a partition wall 7 which divides an inner space into upper and lower portions, and the fixing device 3 is inserted from a lateral direction. The other side walls 6b extend downward from the upper surface 6a. Further, from the partition wall 7 which divides the inner space into upper and lower parts and the flange 8, the side wall surface on the opposite side of the introduction portion 8 b is opened, and when the door trim body 2 is foamed,
By injecting and filling the foamed resin from the open portion of the side wall 6b, the flange of the fixture mounting part 5 is formed into the foam molded product 2
The fixture mounting part 5 is embedded and fixed in the foam molded article 2.

Here, both the heights X and Y of the side wall 6b corresponding to the open portion need to be at least 6.0 mm or more. When X and Y are less than 6.0 mm, when the foamed resin is filled and foamed, the fixing of the fixture mounting part 5 becomes unstable, and the foamed resin enters the upper open portion, and the fixture mounting part 5 is formed by foam molding. It becomes difficult to attach to 2.

Next, the foam molding of the door trim main body 2 will be described. As shown in FIG.
The sealing portion provided on the outer peripheral surface of the side wall 6b is fitted into the recess of the upper die 10 of the molding die, and the length Y from the partition 7 in the downward direction and the length X from the partition 7 to the upper surface 6a are at least 6 respectively. The mold surface 11 of the upper mold 10 is set at a position of 0.0 mm.
Is set, the fixture mounting part 5 is set on the upper die 10. Then, the skin 2a of the door trim main body 2 is formed in advance by slash molding, vacuum molding, or the like.
Is set in the lower mold 12, the glass fiber is spread over the cavity, and a hard urethane resin raw material is injected and foamed and cured to integrally form the door trim main body 2 and the fixture attaching part 5. It has been made to be.

At this time, since an opening is provided in the main body 6 above the flange 8, the foamed resin 2b is filled therein, and the flange 8 of the fixed mounting part 5 is sandwiched between the foamed resin 2b from above and below and rotated. Prevents and stabilizes. Then, after the fixture mounting part 5 and the door trim main body 2 are integrally formed and removed from the molding die, the fixture 3 is mounted on the fixture mounting part 9 of the fixture mounting part 5.

Therefore, in the above-described embodiment, the fixture mounting part 5 is composed of the main body 6 and the flange 8, and the side wall 6b of the main body 6 is partially opened up and down separately through the partition wall 7. Since it has a structure, the fixture mounting part 5
And the mounting becomes easy.

Therefore, in the present invention, since the main body 6 of the fixture mounting part 5 is partially open, it is not necessary to perform blow molding, and molding by, for example, injection molding becomes possible. The moldability of the fixture 5 is improved, the thickness is made uniform, and the thickness can be increased. Therefore, the strength of the fixture attachment part 5 is strengthened, and good attachment of the fixture 3 is obtained. . The fixture attachment part 5 and the door trim main body 2 can be integrally formed substantially, and the number of assembling steps can be reduced.

[0018]

As described above, according to the present invention,
The fixture attachment component of the foam molded product includes a main body portion including an upper surface, a side wall extending downward from the outer periphery of the upper surface, and a partition wall dividing the upper and lower portions into two, and a flange abutting on the lower surface of the main body portion to cover the entire periphery of the side wall. In addition to the above, a fixture attachment portion for attaching a fixture is provided on the upper surface of the main body portion, and the side walls are partially opened both up and down, so that the fixture attachment component of the foamed resin material can be formed. And the holding effect by the foamed resin, it is possible to substantially enable the integral molding of the fixture mounting component and the foam molded product, and it is possible to reduce the number of assembly steps. In addition, since the fixture mounting part which can be inserted from the side is provided in the fixture mounting part, the fixture can be easily inserted, and the fixture mounting part can be easily formed into a uniform and thick wall by injection molding or the like. Therefore, the moldability and strength of the fixture attachment part can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the entire structure of a fixture attachment part according to the present invention.

FIG. 2 is a perspective view of FIG. 1 as viewed from the back side.

FIG. 3 is a cross-sectional view showing a state in which a fixture attaching part is set in a foaming mold during molding of a door trim body.

FIG. 4 is a perspective view showing a structure of a fixture.

FIG. 5 is a longitudinal sectional view showing the entire structure of a door and a rim.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door trim 2 Door trim main body 3 Fixture 5 Fixture attachment part 6 Body part 6a Upper surface 6b Side wall 7 Partition wall 8 Flange 9 Fixture attachment part 9a Locking part 9b introduction part 10 Upper mold 11 Upper mold surface 12 Lower mold

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI // B29K 105: 04

Claims (1)

[Claims] Claims: 1. A foam-molded product fixing fixture mounting part for mounting a fixture for fixing a foam-molded product to a vehicle body or the like,
The fixture mounting part includes a main body including an upper surface, a side wall extending downward from the outer periphery of the upper surface, and a partition wall that divides the upper and lower parts into two, and a flange is provided on the entire periphery of the side wall in contact with the lower surface of the main body. A fixture attachment part for a foam molded product, wherein a fixture attachment portion for attaching a fixture is provided on an upper surface of the main body portion, and a side wall is partially opened both up and down.