JPH05286395A - Interior panel for vehicle - Google Patents

Abstract

PURPOSE:To enhance the appearance of the interior panel of a vehicle by providing a hard foam resin layer on the rear surface of the facing, and also by partially providing a cushion layer. CONSTITUTION:On the rear side of the first region AI of the facing 10 constituting a door trim A, a hard foam resin layer 12 is formed by foaming integrally with the facing 10. On the rear side of the upper central part of the second region AI of the facing 10, a hard core material 16 is provided. In the other part except the core material 16 and the facing 10, a cushion layer 20 is formed by foaming integrally with the core material 16 and the facing 10. Between the hard foam resin layer 12 and the cushion layer 20, a seal part 22 is formed by closely bringing the facing 10 into contact with the core material 16. The end part of the core material 16 on the hard foam resin layer 12 side is intruded inside the hard foam resin layer 12 so as to be integrally formed with the hard foam resin layer 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle interior panel comprising a skin and a foamed resin layer integrally foamed with the skin on the back side of the skin.

[0002]

2. Description of the Related Art As an interior panel for a vehicle as described above, for example, like a door trim with an armrest, in a foamed resin layer molded on the back surface side of the outer skin, a portion corresponding to the armrest portion is better than other portions. It may have flexibility and improve cushioning properties.

To form such an interior panel for a vehicle, as shown in JP-A-63-56413, a portion of the foamed resin layer, such as an armrest portion, which is desired to have flexibility is used as a cushion layer. A semi-rigid foamed resin layer is formed, the back surface of the cushion layer and other portions are made into a hard foamed resin layer, and the semi-rigid foamed resin layer and the hard foamed resin layer are simultaneously and integrally molded. ing.

[0004]

However, since the semi-rigid foamed resin layer has a smaller foaming pressure during molding than the hard foamed resin layer, the semi-rigid foamed resin layer is pressed by the hard foamed resin layer during molding. Therefore, the semi-rigid foamed resin layer, which has been pressed during molding, swells after the mold is removed from the above-mentioned pressure, and accordingly, the skin portion corresponding to the semi-rigid foamed resin layer swells abnormally.

For this reason, a vehicle interior including a skin, a hard foamed resin layer foam-molded on the back surface of one portion of the skin, and a semi-rigid foamed resin layer foam-molded on the back surface of another portion of the skin. There was a problem that the appearance of the panel was not good.

In view of the above, it is an object of the present invention to improve the appearance of a vehicle interior panel in which a hard foam resin layer is provided on the back surface of a skin and a cushion layer is partially provided.

[0007]

In order to achieve the above object, the present invention provides a cushion layer integrally formed on the back surface of a predetermined portion of the skin and held by a hard core material, and another portion of the skin. The hard foamed resin layer integrally formed on the back surface is joined by the core material of the cushion layer to be integrally formed.

Specifically, the means for solving the problems of the present invention is to provide an interior panel for a vehicle with an outer skin, and a cushion layer integrally foamed and held on a back surface side of a predetermined portion of the outer skin by a hard core material. It consists of a hard foamed resin layer integrally foam-molded on the back side of the other part of the skin, and the skin and the core material are in close contact with each other between the cushion layer and the hard foamed resin layer. A seal portion is formed, and an end portion of the core material extends into the hard foam resin layer from the seal portion and is molded integrally with the hard foam resin layer.

[0009]

With the above construction, since the cushion layer is held by the hard core material, it is not necessary to integrally form the hard foamed resin layer for holding the cushion layer on the back surface of the cushion layer. Is not pressed by the hard foamed resin layer. Therefore, the cushion layer does not swell abnormally after demolding.

A seal portion is formed between the cushion layer and the hard foam resin layer by bringing the skin and the core material into close contact with each other, and an end portion of the core material is formed from the seal portion. Since it is formed integrally with the hard foamed resin layer by advancing into the hard foamed resin layer, the core material holding the cushion layer and the hard foamed resin layer are firmly bonded, and the cushion layer and the hard foamed resin are formed. There is no risk of the layers breaking at the joint.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. The present invention may be of any type as long as it is a vehicle interior panel, but in the following, a door trim A as a vehicle interior panel will be described.

1 to 3 show a door trim A according to an embodiment of the present invention, FIG. 3 is a front view of the front side of the door trim A, and FIG. 1 is a sectional view taken along the line I--I in FIG. , Figure 2
FIG. 4 is a sectional view taken along line II-II in FIG.

In the figure, 10 is a sheet-like outer skin made of vinyl chloride resin, ABS resin or the like which composes the door trim A, and 12 is a first region AI which is most of the area except the upper portion of the door panel A, where the outer skin 10 is covered. A hard foamed resin layer made of a hard foamed urethane resin layer or the like which is foam-molded integrally with the outer skin 10 on the back surface side, and 14 is a decoration attached to the surface of the outer skin 10 in the upper center part of the first region AI in a wood-grained manner. Cloth material 16 is a core material made of a hard plastic molding plate, a metal plate, or the like, which is provided on the back surface side of the skin 10 in the second region AII which is the upper region of the door trim A and is spaced apart from the skin 10. The core material 16 is the door trim A
Of the core material 16 and the end portion 16a of the core material 16 on the first region AI side covers the back surface side of the second region AII.
The second region A and the second region AII are joined to each other by advancing into the inside of the second region 2 and being integrally formed with the hard foam resin layer 12.
In the figure, 18 is the epidermis 1 in the first area AI.
It is a reinforcing material such as a glass fiber mat provided on the back surface of No.

The skin 10 and the core 16 in the second area AII
In between, a cushion layer 20 made of a soft urethane foam resin layer, a semi-hard urethane foam resin layer, etc. is integrally foam-molded with the outer skin 10 and the core material 16. In this case, the first
Between the upper center part of the region AI (the part to which the cloth material 14 is attached) and the second region AII, the skin 10 projects to the back surface side and the back surface of the skin 10 and the surface of the core material 16 are in close contact with each other. As a result, the seal portion 22 is formed, and in the seal portion 22, the hard foam resin layer 12 and the cushion layer 2 are formed.
0 is sealed to each other.

FIG. 4 is a cross-sectional view showing a method of manufacturing the vehicle interior panel A, in which after the preformed skin 10 is placed on the molding surface of the lower mold 23, the skin 10 in the first area AI is removed. Reinforcement 18 is laid on top. Further, the preformed core material 16 is set at a predetermined position of the upper mold 30. After that, a hard foam resin material 24 made of a hard foam urethane resin material or the like is applied to the back surface of the skin 10 in the first area AI by a resin material application gun 28A, while a soft foam urethane is applied on the skin 10 in the second area AI. A cushion material 26 such as a resin material or a semi-rigid foam resin material is applied by another resin material application gun 28B. After that, the upper mold 30 is moved to the lower mold 2
After closing the mold with respect to No. 3, it is cured to obtain the vehicle interior panel A.

When the vehicle interior panel A is molded as described above, since the hard urethane foam resin material is not integrally molded on the back surface of the cushion layer 20, the cushion layer 20 does not swell abnormally after demolding. In addition, the hard foam resin layer 12 and the cushion 2 in the central portion on the upper side of the first region AI.
0, a seal portion 22 is formed by bringing the skin 10 and the core material 16 into close contact with each other, and the end portion of the core material 16 advances into the inside of the hard foam resin layer 12 and the hard foam resin Since it is formed integrally with the layer 12, the cushion material 2
Since 6 does not flow into the hard foamed resin material 24 side and the core material 16 is reliably bonded to the hard foamed resin layer 12, the hard foamed resin layer 12 and the cushion layer 20 may be broken at the bonding portion. There is no.

It should be noted that the seal portion between the cushion layer 20 and the hard foam resin layer 12 is not formed on both sides of the door trim A shown in FIG. 2, and the boundary between the cushion layer 20 and the hard foam resin layer 12 is not formed. Although it is not clear that the bonding between the core material 16 and the hard foam resin layer 12 is not guaranteed, the sealing portion 2
The entire structure of the cushion layer 20 and the rigid foamed resin layer 12 is secured by the structure of the central portion in which 2 is formed.

Further, in this embodiment, the first area AI and the second area AI
The area AII is divided into the lower part and the upper part of the door trim A,
The present invention is not limited to this, and the outer peripheral portion of the door trim A may be divided into the central portion to which the cloth material is attached in a wood grain manner.

[0019]

As described above, according to the vehicle interior panel of the present invention, since the hard foam resin layer is not integrally formed on the back surface of the cushion layer, the cushion layer is not pressed by the hard foam resin layer during molding. Therefore, since the cushion layer can be expanded at the original expansion rate, the cushion layer does not swell abnormally after demolding.

Further, a seal portion is formed between the cushion layer and the hard foam resin layer by the skin and the core material being in close contact with each other, and an end of the core material integrally formed with the cushion layer is formed. Since the portion is formed integrally with the hard foamed resin layer by advancing inside the hard foamed resin layer, the core material and the hard foamed resin layer are firmly bonded to each other, and the vehicle interior panel has the hard foamed resin layer. There is no fear of breaking at the joint between the cushion layer and the cushion layer.

Therefore, according to the present invention, it is possible to improve the appearance of a lightweight and rigid vehicle interior panel in which a hard foam resin layer is provided on the back surface of the skin and a cushion layer is partially provided. it can.

[Brief description of drawings]

1 is a cross-sectional view taken along the line I-I in FIG. 3, showing a cross-sectional structure of a vehicle interior panel according to an embodiment of the present invention.

FIG. 2 shows a cross-sectional structure of the vehicle interior panel, and FIG.
2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a front view of the vehicle interior panel.

FIG. 4 is a cross-sectional view showing a manufacturing process of the vehicle interior panel.

[Explanation of symbols]

 A Door trim (vehicle interior panel) A1 1st area A2 2nd area 10 Skin 12 Hard foamed resin layer 16 Core 16a Hard foamed resin layer side end 20 Cushion layer 22 Seal part

Claims (1)

[Claims] 1. A skin, a cushion layer integrally foam-molded on a back surface of a predetermined portion of the skin and held by a hard core material, and a foam layer integrally molded on a back surface of another portion of the skin. A hard foam resin layer is formed, and between the cushion layer and the hard foam resin layer, a seal portion is formed by the skin and the core material being in close contact with each other, and the end portion of the core material is the above. An interior panel for a vehicle, wherein the interior panel for a vehicle is characterized in that it is formed integrally with the rigid foamed resin layer by advancing into the inside of the rigid foamed resin layer from a seal portion.