JP2701690B2 - Terminal treatment structure of trim cover for seat back - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal treatment structure for a trim cover as a skin material in a seat back of a vehicle seat or the like.

[0002]

2. Description of the Related Art A vehicle seat 1 mounted on, for example, an automobile or the like is constituted by a seat cushion 2 and a seat back 3 erected from the back side thereof as shown in FIG. And the above-mentioned seat cushion 2
The seat back 3 is generally constituted by a seat cushion frame or a seat back frame, a pad material (both not shown), and a bag-like trim cover which is covered as a skin material around the pad material.

Here, FIG. 3 shows a schematic sectional shape of the seat back 3, in which 4 is a lower frame of the seat back frame, 5 is a pad material, and 6 is a trim cover. In such a seat back 3, a problem has conventionally occurred in the terminal processing structure of the trim cover 6.

That is, the above-mentioned seat back trim cover 6 is usually folded back into a bag shape below the back of the seat back 3 at the front side terminal 6a and the back side terminal 6b in order to increase the rigidity of each part. The double-structured terminal members 7, 7 are sewn, and the steel wires 8, 8 held in the respective bag-like portions are integrally joined by joining means such as a hook ring 9 or the like, so that the pad material 5 is joined. It is assembled so as to cover.

[0005]

However, according to the terminal processing structure of the trim cover 6 in the conventional seat back 3 described above, a dedicated tool is required to use the hook ring 9 and the like, and the terminal processing operation is not performed. It is easy to be troublesome, and a gap is easily generated in the terminal processing part. Since the hook ring 9 touches when turning the trim cover 6, it is not only a problem in terms of safety, but also pliers or the like when detaching the trim cover 6. And the disassembly work is troublesome as well as installation.

In the conventional structure described above, each terminal 6
a, the seams of the terminal members 7, 7 to 6b are visible from the outside,
There was also a problem that the appearance and appearance were bad. Further, in the above-described conventional structure, it is difficult to position the trim cover 6,
In addition, there is a problem that wrinkles, looseness, and the like are likely to occur in the terminal processing portion, and it is desired to take some measures to eliminate these problems.

The present invention has been made in view of such circumstances, and includes a terminal processing unit that joins a front terminal and a rear terminal in a bag-shaped trim cover that is covered as a seat back skin material. Extremely easy and workability,
It is an object of the present invention to provide a terminal treatment structure of a seatback trim cover that is excellent in safety, improves appearance and improves appearance.

[0008]

In order to meet such a demand, the terminal treatment structure of the trim cover for a seat back according to the present invention comprises a front side of a bag-like trim cover for covering a pad material constituting the seat back. When performing terminal processing for connecting the rear side terminal on the lower rear side of the seat back, a predetermined interval is provided above and below the lower side of the lower frame of the seat back frame arranged in the left and right direction below the seat back. And a wire means for forming a wire engaging portion is provided along the front end of the trim cover, and the wire means is inserted between the upper and lower wire engaging portions to engage with the lower wire engaging portion. A first resin hook having a locking groove to be stopped and a locking portion to be locked from the back side to the upper wire locking portion is provided by sewing, and the upper wire locking portion is provided at the rear side terminal of the trim cover. The has an engaging groove that is locked to 2
Are provided by sewing.

[0009]

According to the present invention, the wire means having the upper and lower wire locking portions are fixedly attached to the lower frame of the seat back frame along with the front end of the trim cover.
A second locking means having a locking groove inserted between the lower wire locking portions above and below the wire means and locked to the lower wire locking portions, and a locking portion locked to the upper wire locking portions from the rear side. A second hook having a locking groove for locking the upper wire locking portion at a rear end of the trim cover.
The first and second resin hooks are hooked and locked by sewing and providing the resin hooks.
The terminal treatment of the trim cover can be performed very easily and properly.

[0010]

1 and 2 show an embodiment of a terminal processing structure of a trim cover for a seat back according to the present invention. In these figures, the same or corresponding parts as those shown in FIG. And the detailed description is omitted. Here, FIGS. 1 and 2 show, on an enlarged scale, only a portion where the front side and the rear side terminals 6a and 6b of the trim cover 6 are joined and processed under the rear portion of the seat back 3 which is a main part of the present invention. I have.

According to the present invention, the front and rear terminals 6a and 6b of the bag-shaped trim cover 6 covering the pad material 5 constituting the seat back 3 are connected below the rear of the seat back 3. In performing the terminal processing, the lower side of the lower frame 4 of the seat back frame arranged in the left-right direction (width direction) below the seat back 3,
Lock wires 10 forming wire lock portions 10a and 10b are provided along the lower side at predetermined intervals, and the upper and lower wires of the wire 10 are provided inside the front end 6a of the trim cover 6. A U-shaped locking groove 12 inserted between the stopping portions 10a and 10b and locked by the lower wire locking portion 10b, and a locking portion 13 locked by the upper wire locking portion 10a from the back side.
A second resin hook 11 having a U-shaped locking groove 16 that is locked by the upper wire locking portion 10a inside the rear end 6b of the trim cover 6; The resin hook 15 is provided by sewing.

In the drawings, reference numerals 13 and 17 denote respective resin hooks 1.
The front end 6a is sewn to the front end 6a and the rear end 6b of the trim cover 6, and the front end 6a is fixed to the upper outside of the resin hook 11 along the outside of the resin hook 11. The rear side terminal 6b is fixed to the upper portion on the rear side of the resin hook 15 along the outside of the resin hook 15.

Further, in the present embodiment, the case where the upper and lower wire locking portions 10a and 10b are formed by appropriately bending one locking wire 10 is shown. The present invention is not limited to this, and two wires may be provided along with each other as appropriate.

The first and second resin hooks 11 and 15 are each formed as a resin molded article having the shape shown in FIG. 1A, and a plurality of hooks are provided at each of the terminals 6a and 6b. This shows a case where a plurality is provided. However, the present invention is not limited to this, and it goes without saying that hooks each having a shape extending in the width direction may be provided one by one.

According to such a configuration, the upper and lower wire locking portions 10 are attached to the lower frame 4 of the seat back frame.
a and 10b are fixed along the locking wire 10 and inserted between the lower and upper wire locking portions 10a and 10b inside the front end 6a of the trim cover 6. A first resin hook 11 having a locking groove 12 locked by the lower wire locking portion 10b and a locking portion 13 locked from the rear side by the upper wire locking portion 10a is provided by sewing. Further, a second resin hook 15 having a locking groove 16 to be locked to the upper wire locking portion 10a is provided inside the rear side terminal 6b of the trim cover 6 by sewing, so that these first and second hooks are formed. The terminal treatment of the trim cover 6 can be performed very easily and appropriately by the hooking and locking work of the resin hooks 11 and 15 of FIG.

Therefore, in such a configuration, the terminal processing section for joining the front side terminal 6a and the rear side terminal 6b of the bag-shaped trim cover 6 covered as the seat back skin material can be extremely simply and work-intensive. The terminal treatment structure of the seat back trim cover 6 which is excellent in the properties and safety, improves the appearance in appearance, and improves the appearance. In particular, according to the present invention, there is an advantage that both ends 6a and 6b of the trim cover 6 can be brought into close contact with no gap, and the boundary position can be brought into close contact and joined.

The use of a hook ring as in the prior art eliminates the need for a special tool.
Without dislocation at the time of mounting on the seat back 3, furthermore, the removal is easy, and the resin hooks 11,
This has the advantage that the fifteenth seam cannot be seen from the outside.

The present invention is not limited to the structure of the embodiment described above, and the shape, structure, etc. of each part of the seat back 3 can be freely modified and changed as necessary, and various modifications are conceivable. Like. Also, various modifications may be considered as the terminal processing or the like of the trim cover 6 with respect to the seat back 3 at other places.

[0019]

As described above, according to the terminal processing structure of the trim cover for the seat back according to the present invention, the terminal processing for connecting the front side and the rear side terminal of the trim cover below the seat back rear side is performed. At this time, on the back side of the lower frame of the seat back frame arranged in the width direction below the seat back, wire means for forming a wire locking portion are provided at predetermined intervals below and above the seat back frame, and trimming is provided. At the front end of the cover, the locking means is inserted between the upper and lower wire locking portions of the wire means and locked by the lower wire locking portion, and the upper wire locking portion is locked from the back side by the locking groove. A first resin hook having a locking portion to be provided is provided by sewing, and a second resin hook having a locking groove to be locked to the upper wire locking portion is provided on the rear end of the trim cover. Sewn and provided In, in spite of the simple structure,
There are various excellent effects as described below.

That is, according to the present invention, the first resin hook sewn to the front end of the trim cover is provided above the wire means fixed to the lower frame of the seat back frame and between the lower wire locking portions. And the locking groove is locked to the lower wire locking portion, the locking portion is locked to the upper wire locking portion from the back side, and the second resin hook sewn to the back side terminal is engaged. The terminal treatment of the trim cover can be performed extremely easily and appropriately by hooking and locking the stop groove to the upper wire locking portion.

Therefore, according to the present invention, the terminal processing section for joining the front side terminal and the rear side terminal in the bag-like trim cover covered as the seat back skin material is extremely simple, and is easy to work and safe. In addition to being able to improve the appearance and improve the appearance and improve the appearance, it is not necessary to use a special tool by using a conventional hook ring, and the position of the trim cover does not shift, Also easy to remove, easy and quick dismantling work,
This has the advantage that the seam cannot be seen from the outside.

[Brief description of the drawings]

FIG. 1 is a schematic exploded perspective view showing one embodiment of a terminal processing structure of a trim cover for a seat back according to the present invention, and FIG.
(B) is a schematic perspective view showing the back side of the seat back before the trim cover is covered.

FIGS. 2A and 2B show an assembling order in a terminal processing structure of a trim cover which characterizes the present invention.
(C), (d) is sectional explanatory drawing.

FIG. 3 is a schematic cross-sectional view illustrating a terminal processing structure of a conventional seatback trim cover.

FIG. 4 is an enlarged view of a main part of FIG. 3;

FIG. 5 is a schematic perspective view of a vehicle seat suitable for applying the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle seat 3 Seat back 4 Lower frame of seat back frame 5 Pad material 6 Trim cover 6a Front side terminal 6b Back side terminal 10 Locking wire (wire means) 10a Upper wire locking portion 10b Lower wire locking portion 11 First resin hook 12 Lock groove 13 Lock portion 15 Second resin hook 16 Lock groove 17 Sewing portion

Claims (1)

(57) [Claims] 1. A seat back trim for engaging front and rear ends of a bag-shaped trim cover covering a pad material constituting a seat back with a wire fixed to a lower frame below a rear side of the seat back. In the terminal processing structure of the cover, a wire means for forming a wire engaging portion at predetermined intervals above and below the back side of the lower frame of the seat back frame arranged in the left-right direction below the seat back is arranged. And a locking groove which is inserted into the front end of the trim cover between the lower wire locking portion and the wire means between the lower wire locking portion and the upper wire connection portion. A first resin hook having a locking portion locked from the rear side is provided on the stop portion by sewing, and the first wire hook is locked by the upper wire locking portion at the rear side terminal of the trim cover. A second resin hook having a locking groove formed by sewing the terminal trim structure for a seatback trim cover.