JP4976699B2 - Interior material for vehicle and method for manufacturing the interior material for vehicle - Google Patents

Description

  The present invention relates to a vehicle interior material and a method for manufacturing the vehicle interior material, and more particularly to a vehicle interior material having a grained structure and a method for manufacturing the vehicle interior material.

For example, a vehicle interior material in which the surface of a base material is covered with a decorative member, such as a door trim of an automobile, is known. By covering with a decorating member, it is possible to enhance the decorativeness in the passenger compartment.
At this time, it is possible to change the appearance and enhance the appearance by arranging the decorative members at two adjacent positions. At this time, it is preferable to dispose different types of decorative members at two locations because higher appearance merchandise can be obtained.
In order to obtain the above-described configuration, conventionally, as shown in FIG. 7, a plurality of base materials 110 are prepared, a decoration member 120 is attached to each base material 110, and the decoration portions are assembled by assembling these base materials 110. Was forming.

With the above configuration, it is possible to make the vehicle interior material such as the door trim have a high-quality appearance that is rich in changes.
However, in the said structure, since the decorating part consists of two members, there existed a problem that an external appearance merchantability will fall when a clearance gap tends to generate | occur | produce between two members and a clearance gap generate | occur | produces between two members.

  In order to solve the above problem, a cut is formed at the boundary between the two-color skin material so that the two skin materials are not divided, and this skin material is placed directly above the protrusion provided on the mold. A technique has been proposed in which the cut is located, the base material is heated and softened, and the skin material and the base material are integrally formed (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 11-156875

  In the technique of Patent Document 1, by narrowing the width of the leading edge of the ridge, the width of the grained groove can be reduced, and the boundary portion of the two-colored skin can be put in the narrowed grained groove. It becomes possible, and it becomes possible to manufacture the interior material for vehicles with the good external appearance decorated with the skin material of two colors.

  However, in the technique of Patent Document 1, it is necessary to cut the skin material with a die having a knife-like cutting edge. As described above, the technique of Patent Document 1 has a problem that the equipment is changed, resulting in an increase in cost. Furthermore, when arranging the skin material on the mold, it is necessary to arrange the cut line in line with the protrusions of the mold, so that there is a problem that it takes time to align.

An object of the present invention is to provide a vehicular interior material having a good appearance with respect to the vehicular interior material in which decoration members are arranged at two locations with a grained groove as a boundary.
Another object of the present invention is to easily obtain a product with a good appearance at low cost for a vehicle interior material in which a decorative member is disposed at two locations with a grained groove as a boundary. It is providing the manufacturing method of the interior material for vehicles.

According to the present invention, the above-mentioned problem is an interior material for a vehicle in which a base material is covered with a decorative member, and the base material is provided with a U-shaped concave groove portion, and the decorative member is A first covering portion and a second covering portion located through the concave groove portion, and a fixing member is attached to a boundary portion between the first covering portion and the second covering portion; A boundary portion of the decorative member is accommodated in the concave groove portion, and a retaining portion for the fixing member is formed in the concave groove portion, and the retaining portion narrows the groove width of the concave groove portion inside the concave groove portion. It is solved by the projections der Rukoto formed extending so.

As described above, the interior material for a vehicle of the present invention is configured such that the groove portion is provided in advance in the base material, and the terminal portion of the decorating member is accommodated in the groove portion.
A fixing member is attached to the terminal portion of the decorative member, and a retaining portion for the fixing member is formed in the concave groove portion, so that the terminal portion of the decorative member does not come out of the concave groove portion .
Their to, the fixing member is a first portion connected to the boundary portion of the decorative member, a second portion for engaging the retaining portion while being connected to said first portion, from Thus, the cross-sectional shape of the second portion is substantially trapezoidal.
Further, the fixing member comprises a first part connected to the boundary part of the decorative member, and a second part connected to the first part and engaged with the retaining part, The first portion is made of cloth, and the second portion is made of resin.

The manufacturing method of the vehicle interior material of the present invention is as follows.
That is, a method for manufacturing an interior material for a vehicle in which a base material is covered with a decorative member having a first covering portion and a second covering portion, wherein the first covering portion and the second covering portion are provided. a step of attaching the fixing member to the boundary portion, a step of accommodating the boundary portion of the fixed member and the decorative member to the groove portion of the U-shaped cross section provided on the base material, slide in the groove portion A step of engaging the fixing member with a retaining portion provided so as to narrow the groove width of the concave groove portion using a mold, and a step of covering the base material with the decorating member. It is characterized by that.

According to the vehicle interior material and the manufacturing method thereof according to the present invention, in the vehicle interior material in which the decorative member is disposed at two adjacent positions, a single base is used without using a plurality of base materials as in the conventional case. With the material, it is possible to realize an appearance in which decoration members are arranged at two locations.
Therefore, a plurality of molds for molding a plurality of base materials are not required, and the cost can be reduced.

Further, according to the vehicle interior material of the present invention and the method for manufacturing the same, the decorative member is arranged at two locations by providing the base material with a wood groove and disposing the end of the decoration member in the wood groove. The installed appearance can be realized, so it can be manufactured without any special changes to the vehicle interior material manufacturing equipment, the cost can be reduced, and the processing process in the equipment can be reduced. It becomes possible to reduce.
Furthermore, since it is the structure which arrange | positions the terminal part of a decorating member in the ditch | groove part of a base material, it improves an external appearance merchandise, without generating a clearance gap between several decorating places like before. Is possible.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The members, arrangements, and the like described below are not intended to limit the present invention and can be variously modified within the scope of the gist of the present invention.

  1 to 6 relate to an embodiment of the present invention. FIG. 1 is an explanatory view showing a door trim as an example of a vehicle interior material, FIG. 2 is an enlarged explanatory view of a center pad, and FIG. 3 is a center pad. 4 is an exploded perspective view, FIG. 4 is a perspective view showing a state where the decorative member and the base material are assembled, FIG. 5 is a sectional view taken along the line aa of FIG. 4, and FIG. 6 is an explanatory view showing the fixing member.

  In this example, the vehicle interior material will be described based on a door trim that is decorated with a decorative member. However, the present invention is not limited to this and can be applied to various vehicle interior materials.

In FIG. 1, a door trim 1 as an interior material for a vehicle is a member that interiors an automobile door, and includes a center pad 3 above an armrest 2.
The center pad 3 is decorated with cloth, synthetic leather, genuine leather or the like.
FIG. 2 is an enlarged view showing the center pad 3 of the door trim 1 of the present invention. As shown in FIG. 2, the center pad 3 includes a base material 10 made of a hard resin such as polypropylene and a decorating member 20 that covers the surface of the base material 10.
The center pad 3 is provided with an engaging portion 3a, and the center pad 3 can be assembled to the door trim 1 through the engaging portion 3a.
The decorating member 20 has an appearance that is divided from the center of the center pad 3 vertically in the vehicle body direction.

FIG. 3 is an exploded perspective view of the center pad 3 and shows the base material 10 and the decorating member 20 constituting the center pad 3. In FIG. 3, the engaging portion 3 a of the center pad 3 is omitted in order to clarify the configuration.
As shown in FIG. 3, the base material 10 includes a concave groove portion 11 located at the center and decorative surfaces 12 and 13 located on both sides of the concave groove portion 11.

A concave groove 11 is formed in the base material 10.
As shown in FIG. 5, the concave groove portion 11 is formed as a hollow member having a U-shaped cross section.
The concave groove portion 11 is formed with a protrusion extending inward so as to narrow the groove width. The part extending inward is a retaining portion 11 c of the decorative member 20, and is provided so that the decorative member 20 does not fall out of the concave groove portion 11.
In addition, when shape | molding the base material 10 with a metal mold | die, in order to produce the retaining part 11c, it manufactures using a slide type | mold.

The decorative member 20 includes a first covering portion 20a and a second covering portion 20b that cover the decorative surfaces 12 and 13 of the substrate 10.
The decorating member 20 of this example is formed by joining two skin materials 21 as shown in FIG. Each of the two skin materials 21 constitutes a first covering portion 20 a and a second covering portion 20 b of the decorating member 20 and covers the decorating surfaces 12 and 13 of the base material 10.
In this example, the two skin materials 21 are stitched, but instead of stitching, adhesion or welding may be used. Each skin material 21 may be of the same color, pattern, or material, or may be of a different color, pattern, or material. Moreover, you may use what has the backing material which consists of polyurethane foam etc. in the back surface of a skin material.
The two skin materials 21 are stitched at their end portions to form a joint portion 21a.
This joining portion 21 a becomes a boundary portion of the decorative member 20.
In addition, the decorating member 20 is not what joined the two skin | leather materials 21 like this example, and what folded the one skin | leather material 21 into two may be sufficient.
In this case, the boundary portion of the decorative member 20 becomes a mountain portion of the skin material 21 folded in two.

A fixing member 30 is disposed at the boundary portion of the decorative member 20. In this example, the fixing member 30 is disposed at the joint portion 21 a of the two skin materials 21. The fixing member 30 is provided to fix the decorative member 20 to the base material 10.
As shown in FIG. 6, the fixing member 30 includes an engaging member 31 made of resin such as polypropylene, and a cloth member 32 connected to the engaging member 31. The cloth member 32 corresponds to a first portion in the claims, and the engaging member 31 corresponds to a second portion in the claims.
The engaging member 31 and the cloth member 32 are fixed at the joint portion 31a.
In the present example, the fixing member 30 is configured by the engagement member 31 made of resin and the cloth member 32, but the fixing member 30 is not limited to this. For example, the first part and the second part of the fixing member 30 may be integrally formed. In this case, it is preferable that the fixing member 30 is made of resin, the first portion joined to the decorative member is a low-hardness material, and the second portion engaged with the retaining portion is a high-hardness material.

The fixing member 30 is attached to the decorating member 20 by sewing the cloth member 32 to the joint portion 21 a of the skin material 21.
The fixing member 30 is attached in the longitudinal direction along the joint portion 21 a of the skin material 21.

The decorative member 20 to which the fixing member 30 is attached is assembled to the base material 10.
FIG. 4 shows a state in which the decorating member 20 is assembled to the base material 10.
As shown in the drawing, the decorative member 20 is attached to the base material 10 by arranging the joining portion 21 a and the engaging member 31 of the fixing member 30 in the concave groove portion 11 of the base material 10.

The process of assembling the base material 10 and the decorating member 20 is as follows.
First, the decorative member 20 to which the fixing member 30 is attached is positioned in the vicinity of the concave groove portion 11 of the base material 10.
Next, the engaging member 31 of the fixing member 30 is disposed by being pushed into the groove 11 of the base material 10. When the engaging member 31 is pushed into the concave groove portion 11, it comes into contact with the retaining portion 11 c, so that the engaging member 31 gets over the retaining portion 11 c and is disposed in the concave groove portion 11 by further pushing in. Is done.

In this way, the fixing member 30 is attached to the base material 10.
FIG. 5 shows a cross-sectional view taken along the line aa in FIG.
As shown in FIG. 5, the joint 21 a between the fixing member 30 and the skin material 21 is located in the concave groove 11.

Further, the engaging member 31 of the fixing member 30 is engaged with the retaining portion 11 c of the concave groove portion 11.
By engaging the engaging member 31 with the retaining portion 11 c, the decorating member 20 is not detached from the base material 10, and the decorating member 20 can be firmly attached to the base material 10. In this example, the engagement member 31 has a substantially trapezoidal cross-sectional shape so that the engagement member 31 is easily engaged with the retaining portion 11c while facilitating disposition in the groove 11. Has been.

Thus, if the decorating member 20 is arrange | positioned by the base material 10, the base material 10 will be coat | covered with the decorating member 20. FIG. The decorative surfaces 12 and 13 of the base material 10 are covered with a decorative member.
When covering the base material 10 with the decorating member 20, the terminal process of the decorating member 20 is made.
The terminal process of the decorating member 20 is performed by winding the terminal part of the decorating member toward the base material 10 and fixing the terminal part 20c to the base material 10 side.

As described above, the center pad 3 covered with the decorative member 20 is formed.
According to the configuration of this example, the decorating member 20 is assembled while the base material 10 is a single member, so that it is possible to form the center pad 3 having an appearance divided vertically as shown in FIG. It is.

It is explanatory drawing which shows the door trim as an example of the vehicle interior material of this invention. It is expansion explanatory drawing of a center pad. It is a disassembled perspective view of a center pad. It is a perspective view which shows the state by which the decorating member and the base material were assembled | attached. It is the sectional view on the aa line of FIG. It is explanatory drawing which shows a fixing member. It is explanatory drawing which shows a prior art example.

Explanation of symbols

1 Door trim (vehicle interior material)
2 Armrest 3 Center pad 3a Engagement part 10 Base material 11 Groove part 11c Retaining part 12, 13 Decoration surface 20 Decoration member 20a First covering part 20b Second covering part 21 Skin material 21a Joint part (boundary part) )
30 Fixing member 31 Engaging member (second part)
32 Fabric member (first part)

Claims (4)

A vehicle interior material in which a base material is coated with a decorative member,
The base material is provided with a groove portion having a U-shaped cross section ,
The decorative member includes a first covering portion and a second covering portion that are located via the concave groove portion,
A fixing member is attached to a boundary portion between the first covering portion and the second covering portion,
A boundary portion between the fixing member and the decorative member is accommodated in the concave groove portion,
A retaining portion for the fixing member is formed in the concave groove portion ,
The retaining part for a vehicle interior material, characterized in projection der Rukoto formed extending to narrow the groove width of the concave groove on the inside of the groove portion. The fixing member includes a first portion connected to the boundary portion of the decorative member, and a second portion coupled to the first portion and engaged with the retaining portion,
The cross-sectional shape of the second portion, the interior member for the vehicle of claim 1 Symbol mounting, characterized in that a substantially trapezoidal shape. The fixing member includes a first portion connected to the boundary portion of the decorative member, and a second portion coupled to the first portion and engaged with the retaining portion,
The vehicle interior material according to claim 1 or 2 , wherein the first portion is made of cloth, and the second portion is made of resin. A vehicle interior material manufacturing method in which a base material is coated with a decorative member having a first covering portion and a second covering portion,
Attaching a fixing member to a boundary between the first covering portion and the second covering portion;
A step of accommodating a boundary portion of the fixing member and the decorative member in a groove portion having a U-shaped cross section provided in the base material;
A step of engaging the fixing member in the retaining portion is provided extending so as to narrow the groove width of the groove portion by using a slide-type in said groove portion,
Coating the base material with the decorative member;
A method for producing an interior material for a vehicle, comprising:

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