JPH0446128B2 - - Google Patents

Description

[Detailed description of the invention]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of a seat back for a seat in an automobile or the like.

[Conventional technology]

A seat called a so-called bucket seat has left and right side support parts bulging forward on the left and right sides of the seat back, which hug and restrain the sides of an occupant seated on the seat. Such seat backs are usually made by integrally foam-molding a pad material such as urethane foam into a predetermined shape so as to surround the seat frame, and then wrapping this with a soft trim cover made of cloth or leather. .

[Problems to be solved by the invention]

By the way, in the case of the bucket seat as described above, as shown in FIG.
Since a large vertical groove d is formed in the seat back, in order to make the trim cover fit snugly along the groove d, the back side of the trim cover should be placed along the boundary c inside the seat back. need to be drawn into. Normally, the above-mentioned trim cover retraction is performed at the sixth
As shown in the figure, a bag part e is provided on the back surface of the trim cover corresponding to the boundary part c, and this bag part e
This is done by pulling the wire f inserted into the pad backwards and attaching it to the wire k inserted into the pad using a hog ring or the like. However, when the above-mentioned retracting method is adopted, after that work, it is necessary to rotate the trim cover from the bank of the side support part b to the back side along the side surface, and to attach it to the wire h of the frame g with a hog ring or the like. There is. Therefore, an opening that is not covered by the trim cover is created on the back of the seat bag. Then, after work, this opening is covered with a backboard j. That is, in this case, it is not possible to cover both the front and back sides of the seat bag with the trim cover, and there is a problem in that the design of the back side of the seat bag must be sacrificed in order to improve the design of the front side of the seat bag. This invention was devised under the above circumstances, and solves the conventional problems, and while being able to substantially form the retraction of the boundary between the central main body part and the side support part of the seat bag, To provide a new seat back structure capable of covering the back side of the seat back with a trim cover of the same quality as the front side without using a back board as in the conventional example.

[Means to solve the problem]

In order to solve the above problem, the present invention takes the following technical measures. That is, in the present invention, a pad material is formed into a predetermined shape surrounding a seat back frame,
In a seat bag configured by wrapping the surface of a seat bag main body with a trim cover, which includes a central main body part and both side support parts, a recessed part is formed at a portion of a predetermined length in the vertical direction in a front part of the central main body part of the seat bag main body. At the same time, an auxiliary pad that fits into the recess is provided, and the trim cover as a whole is shaped like a bag to be placed over the seat bag body from above, and the front part of the trim cover is used as a part that covers the side support part. The part covering the sub-pad is separated by a vertical slit, and the inner edge of the part covering the side support part extends along the inner walls of both sides of the recessed part, and then the part covering the sub-pad is separated from the part covering the sub-pad. It is characterized in that a sub-pad that is covered with a cover is fitted and fixed into the recessed part.

[Effect]

Since the concave part of the central main part of the seat bag body is formed on the front side, the seat bag body can be wrapped with a trim cover without any problem without making any opening or other work on the back side of the seat bag. When the auxiliary pad covered with the trim cover is fitted into the concave part of the seat bag body wrapped in the trim cover, the trim cover on the seat bag body side enters the inner wall of the concave part and is covered with the trim cover. Since the side wall of the sub pad comes into contact with the inner wall of the recessed portion, a sufficient retraction is apparently formed at the boundary between the central main body portion of the seat bag and the side support.

【effect】

From the above, according to the seat back structure of the present invention, it is possible to substantially form a recess in the boundary between the central main body portion of the seat back and the side support portions, without using a back board as in the conventional example. The back of the seat back can also be covered with a trim cover of the same quality as the front. Moreover, the trim cover does not only have a bag-like shape as a whole, but also has a part that covers the side support part and a part that covers the sub-pad connected in series, so that, for example, the part that covers the sub-pad has a part that covers the sub-pad. Therefore, it is possible to adopt an assembly method in which the sub-pad is wrapped in advance and the trim cover is placed over the seat bag body in that state. Therefore, the number of parts during assembly is reduced accordingly, improving work efficiency, and the mounting position of the sub-pad, which should be fitted into the recessed part of the seat bag body, may be inadvertently shifted, and this shift may cause the retraction groove to become jammed. The problem of unsightly appearance that occurs when it spreads can also be minimized.

[Explanation of Examples]

Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 2 is an overall perspective view of an automobile seat 2 equipped with a seat bag 1 employing the structure of the present invention. The seat back 1 of this seat 2 is a seat back of a so-called bucket seat, and side support parts 4 that restrain the sides of the occupant are formed to protrude forward on both sides of a central main body part 3 that supports the back of the occupant seated on the seat. ing. As shown in FIG. 1a, the seat back 1 is made by integrally foam-molding a pad material 6 such as urethane foam into a predetermined shape so as to surround a seat back frame 7, and then using a soft material made of cloth, leather, etc. It is produced by wrapping it with a trim cover 8. In the present invention, FIGS. 1a and 1b
As shown in the figure, a concave portion 11 is provided at a predetermined length in the vertical direction on the front surface of the central main body portion 3 of the seat bag body 10 to be covered with the trim cover 8, and a concave portion 11 is provided to fit snugly into the concave portion 11. A sub pad 9 that can be fitted into the seat bag body 10 is formed separately, and when the sub pad 9 is fitted into the recessed portion 11, the overall shape of the seat bag body 10 is completed. In this example,
The recessed portion 11 is provided in a portion of the central main body portion 3 that includes a portion having a vertical length approximately corresponding to the vertical length of the side support portion 4, and a sub pad 9 that fits into the recessed portion 11 is formed. On the other hand, the trim cover 8 as a whole has a bag-like structure that can be placed over the seat back 1 from above, but the front part 12, 12 that covers the side support part 4 and the part 13 that covers the sub pad 9 are different from each other. They are substantially separated by longitudinal slits. Also, a portion 1 covering the side support portion 4 is provided.
The inner edges 12a, 12a of 2 and 12 are extended along the inner walls 11a, 11a of both sides of the recessed part 11 so as to extend into this recessed part 11, and the bag parts 14, 14 are formed. has been done. Also, both side edges 13a, 1 of the portion 13 covering the sub pad 9 are
3a extends around the back surface of the sub pad 9 so as to hold both sides of the sub pad 9, and the both side edges 13a, 13a are provided with surface fasteners, for example, on both sides of the back surface of the sub pad 9. (so-called magic tape (registered trademark)) or the like. Note that, on the back surface of the portion 13 of the trim cover 8 that covers the above-mentioned sub pad 9, bag portions 15, 15 are formed for forming a retraction A extending laterally on the sub pad 9. Next, the procedure for attaching the trim cover 8 to the seat bag body 10 and the sub pad 9 will be explained. First, attach the trim cover 8 to the seat bag body 10.
from above, and at that time, each inner edge 12 of the portions 12, 12 that cover the side support portion 4
a, 12a are inner walls 11a, 1 on both sides of the recessed part 11.
1a and the wire 16 inserted into the bag portions 14, 14 and the wire 17 of the seat back frame 5 are connected by a hog ring, thereby connecting the inner edges 12a, 12a to the inner wall 11.
It is fixed in a state where it is pulled into the recessed part 11 along lines a and 11a. Next, the sub pad 9 is wrapped by the portion 13 that covers the sub pad 9. At that time, the bag portions 15, 1
A horizontal recess A is formed on the sub pad 9 by connecting the wire 18 inserted into the sub pad 5 to the wire 19 previously embedded in the sub pad 9 using a hog ring (not shown). Then, both side edges 13 of the part 13 covering this sub pad 9
a, 13a are passed around from the sides of the sub pad 9 to the back surface, and as described above, the both side edges 13a, 13a are attached to the back surface of the sub pad 9 using surface attachment fasteners or the like. In this example, a bag part 21 is also provided on the back side of the connection part 20 between the upper part of the main body part and the above-mentioned part 13 in the trim cover 8, and the wire 22 inserted into the bag part 21 is connected to the wire 2 of the seat back frame 7.
3, a recess is also formed in this part. The main pad 9 covered with the trim cover 8 as described above has the wire 24 embedded in the back surface thereof and the wire 25 of the seat back frame 7.
By connecting them with a hog ring, etc., they are fixed in a state where they are fitted into the recessed part 11. As a result of the above, as shown in FIG. 2, a recess B is conveniently formed at the boundary between the central main body part 3 and the side support parts 4 in the seat bag 1. As is clear from the above, in the structure of the seat bag of the present invention, the bag-shaped trim cover 8 is placed over the seat bag body 10 as a whole, so the back side of the seat bag 1 is covered with the same trim cover as the front side. It can be covered with 8. Further, a pad (sub pad) at a predetermined length in the vertical direction of the central main body part 3 is constructed as a separate part, and the sub pad 9 covered with a trim cover is fitted into the recessed part 11 provided in the central main body part 3. Therefore, a substantial retracting portion B can be conveniently formed at the boundary between the central main body portion 3 and the side support portions 4. Moreover, since the work of installing the trim cover, especially the work of forming the retracting portion, can be done from the front of the seat bag, the work efficiency is very good. Furthermore, in the structure of the seat bag of the present invention, not only is the trim cover shaped as a bag as a whole, but also the side pad of the trim cover is separate from the seat bag body. Since the part covering the part and the part covering the sub-pad are substantially connected,
For example, when putting the trim cover over the seat bag body, the sub pad can be wrapped in advance by the portion of the trim cover that covers the sub pad. By doing so, the ease of assembling the seat bag can be further improved. Furthermore, it is possible to minimize misalignment of the sub-pad and inadvertent expansion of the retracted part on the trim cover formed between the sub-pad and the side support part.
It is also possible to maintain the appearance quality of the seat bag for a long period of time.

[Brief explanation of the drawing]

Figure 1a is a perspective view showing the seat bag body before the trim cover is attached, with the pad partially removed;
Fig. 1b is a perspective view of the sub pad, Fig. 2 is an overall perspective view of an automobile seat to which the present invention is applied, Fig. 3 is a sectional view taken along the - line in Fig. 2, and Fig. 4 is a perspective view of the sub-pad. 5 is an overall perspective view of a general bucket seat, and FIG. 6 is a sectional view showing a conventional general trim cover retracting structure for an automobile seat. 1... Seat back, 3... Central main body part, 4...
...Side support, 8...Trim cover, 9...
Sub-pad, 10... Seat bag body, 11...
concave part.

Claims (1)

[Scope of Claims] 1. A seat bag formed by forming a pad material into a predetermined shape surrounding a seat bag frame, and wrapping a trim cover over the surface of the seat bag body, which includes a central main body portion and both side support portions, comprising: A concave portion is formed at a predetermined length in the vertical direction on the front surface of the central main body of the seat bag body, and a sub-pad that fits into the concave portion is provided, and the trim cover is attached to the seat bag body as a whole. The front part of the trim cover is divided into a part that covers the side support part and a part that covers the sub-pad with a vertical slit, and the inner edge of the part that covers the side support part is formed into the recess. A structure of a seat bag, characterized in that a sub-pad extends along the inner wall of both sides of the seat back and is covered by a part that covers the sub-pad, and is fitted and fixed into the recessed part.