JPS6028320Y2 - Sheet device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a seat device suitable for use in automobiles and the like, and particularly to a structure for easily attaching a cushion pad to a seat frame having a pan-shaped structure.

Conventionally, in order to attach a pad made of foamed urethane to a box-shaped, so-called bread-shaped frame molded from synthetic resin as an automobile seat device, a metal plate is fixed to the frame, and the pad is attached via this metal plate. Because I was
This pad attachment has the drawback of being complicated and requiring many members.

The present invention aims to provide a seat device that eliminates the above drawbacks, and its feature is that when the frame is molded, a hooked protrusion is formed on the bottom of the frame, and a hooked protrusion is formed on the pad of the cushion body. In the seat device, the cushion body is attached to the frame by locking an insert wire or the like to the hook projection.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Figure 1 shows a cushion body 1 used in the present invention, in which a pad 2 made of a foam material such as urethane is covered with an outer skin 3.
It is formed by covering.

That is, as shown in FIG.
A plurality of recesses 5 are formed along the periphery so that the holes are exposed at required intervals.
, 5, and a trim wire 6 is attached to the inner peripheral edge of the skin 3 covering the pad 2.
With this skin 3 covering the pad 2, the trim wire 6
is bonded to the insert wire 4 of the pad 2 in the recesses 5, 5 by hog rings 7 to form the cushion body 1.

Note that the wire 4 may not be inserted into the pad 2, but may be attached to the back side of the pad 2 along the periphery in an exposed state by adhering it as shown by the double-dot chain in FIG. The trim wire 6 of the skin 3 can be bound by the hog ring 7 without forming a recess in the skin 2.

FIG. 3 shows a frame 8 used in the present invention, which is molded from synthetic resin and has a bottom portion 8a and side wall portions 8b, and is molded into a substantially box shape.

At the time of these moldings, a plurality of hook protrusions 8C are simultaneously molded at both ends of the frame in the X-axis and Y-axis directions XX and Y-Y.

This hook protrusion 8C has a hook portion 8d for hooking the insert wire 4 of the pad 2, as shown in FIG.
Also, the bottom 8a of the frame 8 has a hook portion 8d of a hook protrusion 8c.
A window hole 8e is formed opposite to the window hole 8e.

This window hole 8e is formed as a punching hole of a mold for forming the hook projection 8c when the frame 8 is molded.

In this embodiment, the frame 8 is made of synthetic resin, but when the frame is press-molded from a copper plate or the like, as shown in FIG. A 0-shaped punch 1 is formed by cutting and raising the punch and bending the protrusions on both sides in a direction perpendicular to the upright direction to form a hook protrusion 8C having a hook 8d and a window hole 8e.

It is clear that the shape of the above-mentioned hooked projection 8c is not limited to the shape shown in the drawings, and various modifications are possible, and it is desirable that the hooked portion 8d be formed toward the outer circumferential direction of the frame 8. , and if a recess is formed on the lower edge,
This ensures that the insert wire 4 is engaged.

The pad 2 shown in FIG. 1 is attached to the frame 8 formed in this way.
A cushion body 1 formed by covering and bonding an outer skin 3 to a side wall portion 8
b, and as shown in FIG. The insert wire 4 and trim wire 6 are hooked onto the insert wire 4 and trim wire 6 fixed to the pad 2 in the recess 5 formed in the hooked projection part by pulling the locking jig 9 in the direction of arrow a in this state. 8c is engaged with the hook portion 8d.

By sequentially performing this locking at each hook projection 8c, the cushion body 1 can be fitted and fixed to the frame 8.

Since the present invention allows the seat device to be assembled as described above, it is possible to save the man-hours of manufacturing and attaching special attachment members to the pan-shaped frame.

Furthermore, the wire attached to the pad allows the binding of the outer skin covering the pad and the fixing of the pad to the frame, and since the binding and fixing are done in the same area, there is no waste in shaping the pad, etc., and the cushion body can be attached to the frame. It is possible to extremely reduce the number of parts and manufacturing steps needed to attach the device to the device, which has a great practical effect.

[Brief explanation of drawings]

Figure 1 is a perspective view of the cushion body of the present invention seen from the bottom;
Fig. 2 is a cross-sectional view of the pad used in the present invention, Fig. 3 is a perspective view of the frame used in the present invention, Fig. 4 is a perspective view of the hooked protrusion formed on the frame, and Fig. 5 is the main body. FIG. 6 is a perspective view of a hooked protrusion similar to FIG. 4 showing another embodiment of the invention, and FIG. 6 is a partially sectional side view of a main part showing a method of attaching the cushion body of the invention to a frame. In the figure, 1 is the cushion body, 2 is the pad, 3 is the skin, 4 is the insert wire or wire, 5 is the recess, 6 is the trim wire, 7 is the hog ring, 8 is the plate, 8a is the bottom, 8c is the hooked projection, 8d 8 is a hook portion, 8e is a window hole, and 9 is a locking jig.

Claims (1)

[Scope of utility model registration request] A hook protrusion consisting of a hook and a protrusion is formed on the inner surface of the seat frame formed in a pan-shaped structure, and a window hole facing the hook is formed, and the cushion body placed on the seat frame is A wire is provided on the pad, and a skin covering the pad is fixed to the wire, and with the cushion body placed on the seat frame, the wire of the cushion body is pulled through the window hole, and the hook portion of the hook protrusion is drawn. A seat device, characterized in that the cushion body is fixed to the seat frame by locking the cushion body to the seat frame.