JPH0120957Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a structure for attaching a hanging string material to a seat for a vehicle, furniture, etc., particularly a motorcycle seat.

[Background of the invention] Fig. 1 is a cross-sectional view of a sheet showing a conventional hanging cord attachment structure, in which the skin member 1 of the sheet S consists of a skin 3, a foam material 2, and a wading cover 4. The surface of the (wading material) 2 is a skin 3, and the back surface of the foam material 2 is a wading cover 4.
The skin member 1 is covered with a high-frequency welding process in a linear manner at required locations. At the same time as this high-frequency welding process, a backing material 5 made of, for example, polyvinyl chloride PVC is welded to the wading cover 4 on the back side of a predetermined location of the welded part A by high-frequency welding process. A part of the hanging cord material 6 is sandwiched between the wading cover 4 and the wading cover 4.

In this way, in the conventional hanging string material attachment structure, the hanging string material is attached to the skin member using a lining material, which reduces the man-hours required for manufacturing the lining material and attaching the lining material to the skin member. There is a problem that the manufacturing cost of the sheet increases accordingly. Furthermore, the hanging strength of the conventional hanging string attachment structure depends only on the degree of welding (degree of welding) between the backing material and the wading cover. In addition, since the melted and solidified foam material remains between the skin and the wading cover in the welded portion, the wading cover is likely to peel off from the skin when it is hung. Therefore, there is a drawback that a large hanging strength cannot be obtained.

[Purpose of the invention] The purpose of the invention is to provide an attachment structure for a suspension string material that reduces manufacturing man-hours, lowers sheet manufacturing costs, and has high suspension strength (tensile strength). It is in.

[Summary of the invention] This invention uses a hanging device for attaching to processing parts such as processing using internal heating using high frequency, ultrasonic waves, microwaves, etc., processing using external heating using hot air, infrared heaters, etc. (hereinafter referred to as "welder processing"). A part of the string material is inserted between the wading cover (which is provided on the back side of the foam material) and the skin, and the part where the hanging string material is inserted is welded to make the hanging string material. is attached directly to the skin member of the seat, eliminating the need for a backing material, and increasing the suspension strength by welding the suspension string material together with the foam material between the skin and the wading cover.

[Embodiment of the invention] An embodiment of the invention will be described below with reference to FIGS. 2 to 5.

FIG. 2 is a sectional view of the sheet in this embodiment, in which the skin member 10 is composed of a foam material 11 and a skin material 12.
and a wading cover 13, the surface of the foam material 11 made of a foamed material is covered with a skin material 12 made of, for example, polyvinyl chloride, and the back side of this foam material 11 is covered with a skin material 12, which is the same as the skin material 12 in this embodiment. It is covered with a wading cover 13 made of polyvinyl chloride or the like.

In the welded part A of the skin member 10, a part of a ring-shaped hanging string material 15 made of, for example, polyester resin is inserted between the skin material 12 and the wading cover 13. As shown in FIG. 3, the hanging cord material 15 is connected to the skin 12 (FIG. 2) from a point B on the diagonal of the intersection point of the welded part A processed into a cross shape, for example.
After being inserted between the wadding cover 13 and the wading cover 13, the wadding cover 13 is pulled out again from point C to the back side of the wading cover 13, and then both ends are tied together.

As shown in FIG. 2, this skin member 10 is made of a plate-shaped seat bottom 1 made of hard resin or the like.
After being placed on the cushion form 19 placed on the cushion form 19, the suspension string material 15 is inserted into the hole 16a made in the seat bottom 16 through the vertical hole 18 formed in the cushion form 19. The outer skin member 10 is fixed on the cushion form 19 by hanging it in a taut state on the hook-shaped locking portion 17a of the clip 17.

FIGS. 4 and 5 are views for explaining an embodiment of the method for manufacturing the skin member 10 described above. First, as shown in FIG. 13 is cut and a hole 20 for string material insertion is bored at a desired position. Then, the hanging cord material 15 is inserted into each of the corresponding pairs of holes 20, 20, as shown in FIG. 4b. still,
Instead of drilling a hole in the wading cover in advance and then inserting the string material into the hole as in this example, it is also possible to use a needle or the like to pierce the string material through the wading cover. good. The wading cover 13 with the string material 15 attached thereto is cut into a foam material 11 in the same shape as the wading cover 13.
(FIG. 4c) and the skin material 12 (FIG. 4d) are stacked on top of the welding die 21 as shown in FIG. 5, and welding is performed at the position where the string material 15 is inserted. By this welding process, the foam material 11 in the welded part is fused and cut, and the string material 15 inserted between the wading cover 13 and the skin material 12
is welded between the wading cover 13 and the skin material 12. By then tying both ends of each string material 15, the skin member 10 shown in FIG. 1 to which the hanging string material is directly attached can be obtained without using the backing material.

When fixing the skin member 10 thus obtained onto the cushion form 19 as shown in FIG.
Even if the hanging cord material 15 is hung and hung, there is less risk that the welded part at the attachment position of the hanging string material 15 will be damaged and the wading cover 13 will peel off.

Note that the skin member is, as in this example, a skin material,
It does not have to be three layers of foam material and wading cover, but may be two layers or multiple layers of four or more layers. For example, when the present invention is applied to a skin member having four or more layers in which a plurality of wading covers are provided on the back side of a foam material, a hanging string material may be attached to any of the wading covers as described above. In addition, if a predetermined part of the foam material corresponding to the position where the hanging string material is attached is drilled in advance and the foam material in that part is removed, the degree of fusion by welding in the part will be increased, and Great hanging strength can be obtained.

[Effects of the invention] According to the invention, since the hanging string material is directly attached to the skin member without using a backing material,
The man-hours of cutting the backing material and attaching it to the skin member can be omitted, and the manufacturing cost of the sheet can be reduced. Further, since the hanging string material is welded together with the foam material between the skin and the wading cover, a large hanging strength can be obtained. Furthermore, since the hanging string material does not protrude to the front side of the skin material, the sheet can be completely waterproof.

It goes without saying that the present invention is not limited to the illustrated embodiment.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a sheet showing a conventional hanging string attachment structure, Fig. 2 is a sectional view of a sheet according to an embodiment of the present invention, and Fig. 3 is the hanging string of Fig. 2. The back view of the material attachment part, FIGS. 4 and 5 are diagrams for explaining one embodiment of the method for manufacturing the skin member shown in FIG.
Fig. 4a is an external view of the wading cover, Fig. 4b is an external view of the wading cover with the string material inserted through it, Fig. 4c is an external view of the foam material, Fig. 4d is an external view of the skin material, Fig. 5 The figure is an explanatory view of laminating a wading cover, a foam material, and a skin material and performing a welding process. 10... Skin member, 11... Foam material, 12
...Skin material, 13... Wading cover, 15...
...Hanging string material, 16... Seat bottom, 17...
Clip, 19...Cushion form, 20...
...hole for string material insertion, 21...welder type, A...
Weld processing department, S... Sheet.

Claims (1)

[Scope of utility model registration request] In a structure for attaching a hanging string material to a welded part of a skin member that includes at least a wading cover that covers the back side of a foam material, a part of the hanging string material is inserted between the wading cover and the skin. A mounting structure for a hanging cord material, which is characterized by the following.