JPH0574Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a seat and structure for fixing the end of a trim cover covering a seat pad to a wire.

[Conventional technology]

In general, a seat consists of a seat pad made of a urethane foam material or the like that provides sufficient elasticity for a seated person, and covered with a trim cover made of a skin or the like to constitute, for example, a seat cushion or a seat back for a seat in a vehicle, etc. . A seat structure is known in which such a seat is constructed by fixing an end of a trim cover to a wire of the seat. The trim cover in such a seat structure has C-shaped clips called hog rings installed at multiple locations between the trimming wire provided at the end of the trim cover and the wire provided adjacent to the bottom surface of the seat pad. , is caulked and fixed. The hog ring is built into a special tool called a hog ringer, and by operating the trigger of the hog ringer, the installed hog ring is caulked.

[The problem that the idea attempts to solve]

As mentioned above, in known seat structures, the ends of the trim cover are secured to the seat wires by hog rings. However, since the hog ringer is quite heavy, fixing the terminal of the trim cover using a hog ring causes fatigue to the worker and places a heavy burden on the worker's hands, resulting in hand injuries, health burns, etc. This is not desirable in terms of health and safety.

Furthermore, when fixing the end of the trim cover using the hog ring, the hog ring pulls the end of the trim cover at a point. Therefore, not only is it difficult to tension the trim cover uniformly over the entire surface, but also individual differences arise in the tension of the trim cover depending on the operator, resulting in inconsistent tension and deterioration of the appearance quality of the seat.

The purpose of this invention is to provide a seat structure in which the end of a seat trim cover can be fixed to a wire without hog ring.

[Means to solve the problem]

In order to achieve this purpose, according to this invention, a board that can be inserted into the gap between the seat pad and the wire provided adjacent to the bottom surface of the seat pad is attached to the end of the trim cover, and this board is attached to the end of the trim cover. It is formed so that it can be bent into a letter shape. Further, a step is formed on the seat pad to prevent the board inserted between the seat pad and the wire from coming off.

〔Example〕

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

The seat structure 10 according to this invention is shown inverted in the drawings, and as shown in FIG. , 1 step on the side of the seat pad
8 is formed.

For example, the board 12 is molded from a synthetic resin material such as polypropylene, and in addition to the one shown in FIG.
As can be clearly seen from the figure, a groove 20 is formed in the longitudinal direction to allow bending into a substantially V-shape. Furthermore, a suture hole 22 is formed in advance to be used when attaching the trim cover 16 to the trim cover 16 by suturing. However, this suture hole 22 may be omitted. Here, so that the groove 20 is located on the trim cover side,
Board 12 is attached to trim cover 16.

The seat pad 14 is molded from a urethane foam material or the like, and as can be clearly seen from FIG. 3 in addition to FIG. 1 and 3, the seat pad 14 is inverted). Further, the end portion of the seat pad 14 extends downward to form a sag 28. Wires 30 and 31 are arranged on the stepped surface. Here, the wall surface of the step is preferably a slope 34.

In the seat structure 10 having such a configuration, the trim cover 16 is fixed as follows.

As shown in FIG. 3, the board 12 is bent into a substantially V-shape in the longitudinal direction using the groove 20, and the trim cover 16 is pulled to the right while pressing the sag 28 of the seat pad against the wire 30. Then, as shown in FIG. 4, the board 12 is slid between the seat pad 14 and the wire 31. At this time, the board 12 can be easily inserted by pressing the seat pad 14 downward and expanding the gap between the seat pad and the wire 31 while inserting the board 12. Then, place the board 12 on the seat pad 1.
4. When the board is completely inserted between the wires 31 and the pressing force of the seat pad is removed, the seat pad naturally returns to its initial position, and the board is held between the seat pad and the wire 31 as shown in FIG. At this time, the board 12 is pulled to the left by the return force of the sag 28 caught in the trim cover 16. Then, the tip of the bent piece 24 of the board is on the slope 3.
4, the surface of the bent piece 25 facing the wire 31 is pressed by the wire 31, and the movement of the board is reliably regulated. Therefore, separation of the board 12 from between the seat pad 14 and the wire 31 is sufficiently prevented. Also, seat pad 14
A sauce 28 is provided on the trim cover 16, and this sauce is applied to the trim cover 16.
Since the wire 30 is configured to be wrapped around the trim cover, direct contact between the trim cover and the wire 30 is prevented, and damage to the trim cover is prevented.

As mentioned above, the seat pad 14, the wire 31
The return of the board 12 held between them is reliably prevented by using the step 18 provided on the seat pad,
This prevents the board from coming off between the seat pad and the wire 31.

In this way, in this invention, the board 12 bent into a substantially V shape is connected to the seat pad 14 and the wire 31.
Just insert it in between, without using a hog ring,
In other words, the trim cover 16 can be fixed to the wire 31 of the seat without hog ring. Therefore, the work of fixing the trim cover 16 can be done quickly and easily, improving work efficiency. Furthermore, the worker can work without having to operate a heavy hog ringer, and fatigue does not accumulate on the worker's hands, so the worker is freed from hand injuries and safety flames. Since it is only necessary to insert the board 12 between the seat pad 14 and the wire 31, the process of fixing the trim cover 16 can be easily automated. Also, board 1 as above
In the configuration using No. 2, the trim cover 16 is fixed between the seat pad 14 and the wire 31 not at a point but at a plane, so that the tension of the trim cover is made uniform over the entire surface. Furthermore, there is no room for individual differences among workers, the tension is made constant, and the appearance quality of the sheet is improved.

If the traction force applied to the trim cover end is large, the fixation of the trim cover end will generally weaken and tend to be released. However, in this invention, if the traction force applied to the trim cover end is large, the folded piece 24 will more tightly adhere to the seat pad 14, as can be understood from FIG. Fixation can be ensured. In this way, the traction force of the trim cover directly functions as a fixing force for the trim cover terminal.

Here, since the bending piece 24 makes surface contact with the seat pad 14 over a wide range, stress does not act intensively on the seat pad 14, and the seat pad is not deformed and dented. Therefore, the seat pad 1
4. The gap between the wires 31 does not expand, and the board 12 does not fall out from the gap.

Furthermore, two bent pieces 24 and 25 of the board 12
Since the wires 31 and the seat pads 14 are spread out and pressed and adhered to each other, even if the gap between the wires and the steps is large, it does not adversely affect the fixation of the trim cover end. Therefore, the board 12 can be slid and pushed in from the bent portion with ample clearance, and from this point as well, automation of the process of fixing the trim cover terminal is facilitated.

Although the seat structure of this invention is suitable for seat cushions and seat bags for vehicle seats, it is not limited thereto, and can be used, for example, for seats, beds, sofas, etc. in trains, airplanes, conference rooms, movie theaters, etc. can also be applied.

The above-mentioned embodiments are for illustrating this invention, and are not intended to limit this invention in any way, and any modifications, modifications, etc. made within the technical scope of this invention are also included in this invention. Needless to say.

[Effect of idea]

As described above, according to the seat structure according to this invention, the board attached to the end of the trim cover is inserted between the stepped seat pad and the wire through the bent portion to fix the trim cover. Therefore, the trim cover can be quickly and easily fixed to the wire without using a hog ring. In addition, in such hog ring-less fixing work, even if the gap between the seat pad and the wire is relatively wide, there is no risk of the board falling out, and the board can be easily inserted under the large gap, simplifying the work. This will improve work efficiency and enable automation. Furthermore, there is no room for individual differences among workers, the tension of the trim cover is made constant, and the appearance quality of the seat is improved.

In addition, the traction force of the trim cover directly functions as a fixing force for the trim cover terminal, and if the traction force applied to the trim cover terminal is large, the bent piece of the board will adhere even more tightly to the seat pad, and the trim cover terminal will become stronger. Fixed.

Furthermore, since the board is formed long in the longitudinal direction, the trim cover can be fixed to the wire at a plane rather than at a point, and the tension of the trim cover can be made uniform over the entire surface.

[Brief explanation of the drawing]

Figure 1 is a perspective view of the seat structure according to this invention before the trim cover is fixed, Figure 2 is a perspective view of the board, and Figures 3 to 5 are before and during the fixation of the trim cover. FIG. 6 is an end view of the sheet structure after being fixed. 10,110... Sheet structure, 12,112...
...Board, 14...Seat pad, 16...Trim cover, 18...Step, 20...Groove, 30,3
1...Wire.

Claims (1)

[Claims for Utility Model Registration] (1) In a seat structure in which the end of a trim cover covered on a seat pad is fixed to a wire, a step is formed on the seat pad opposite to the wire provided adjacent to the bottom surface of the seat pad. A board that can be bent into a substantially V shape and inserted into the gap between the step on the seat pad and the wire is attached to the end of the trim cover, and inserted from the bent part of the board into the gap between the step on the seat pad and the wire. A seat structure characterized by being engaged with each other. (2) The seat structure according to claim 1, wherein the wall surface of the step is sloped and serves as a guide surface for inserting the board. (3) The seat structure according to claim 1 or 2, wherein a sag that can be rolled up by the trim cover is formed on the seat pad.