JP2002018161A - Seat cover structure for seat back - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain excellent appearance in a rear back by putting vertical direction design lines straight without 'looseness', which are arranged at the both sides of the rear back in a seat back. SOLUTION: In the rear back of the seat back 10, a portal shape plate 20 modeled after the upper side and the both sides of the seat back is arranged at the inner side of a seat cover 16, an upper hanging member 22 is disposed along the width direction of the rear back 18 concerning the upper part 20a of the plate 20 and side hanging members 28 are respectively arranged along the vertical direction of the rear back 18 concerning the both side parts 20b of the plate 20. Then in a seat back seat cover structure, a member for hang (edge wire 24) is arranged in the upper hanging member 22 and drawing members (fastening rubber 29) which are respectively connected to the end parts of the member for hang are arranged in the side hanging members 28. A downward drawing force is given to the both drawing members. Besides, the drawing members are respectively hooked to the lock parts of a seat back frame so that the seat cover 16 is drawn in the inner direction of the seat back.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat cover structure for a seat back of a vehicle front seat.

[0002]

2. Description of the Related Art Conventionally, a seat cover of a seat back in a front seat has a structure as shown in FIGS. FIG. 7 is a perspective view showing the seat back of the front seat, and FIG. 8 is an enlarged cross-sectional view taken along the line CC of FIG. In general, the seat cover 52 of the seat back 50 in the front seat has a bag shape with its lower part opened, and is covered from above on a seat back frame (not shown) to which pads are attached.

FIG. 9 is a partial plan view showing the seat cover 52 turned upside down. As is apparent from this drawing, the back back 54 of the seat back 50 has
A gate-shaped resin plate 56 following the upper side and both sides of the seat cover 52 is sewn inside the seat cover 52.
An edge wire 60 is passed through a suspending member 58 sewn to the upper portion 56a of the plate 56 along the width direction of the back 54. Similarly, a hanging rubber 62 sewn along the longitudinal direction of the back 54 on both sides 56b of the plate 56 is penetrated by a rubber band 64 (FIGS. 8 and 9). However, only one side is shown in these figures. The furun rubber 64
Are connected to both ends of the edge wire 60 (FIG. 9). Then, the fur rubber 64 is pulled downward, so that the seat cover 5
2 is tensioned.

[0004]

The above-mentioned furun rubber 6
Reference numeral 4 merely extends up and down between the end of the edge wire 60 and the seat back frame, and does not receive a pulling force toward the inside of the seat back 50.
Accordingly, the vertical design line L on the back 54
(FIG. 7) is not determined as planned, and so-called line "jump" is likely to occur. It should be noted that a substantially middle portion in the vertical direction of the fur rubber rubber 64 corresponds to the S of the seat back frame.
Means are known which are connected to a spring (not shown) by a hog ring and draw in the rubber rubber 64 inward. However, since the S-spring bends relatively easily, it is not possible to pull in the rubber 57 strongly, so that the design line L also does not pass straight. The present invention is intended to solve the above-mentioned problem, and an object of the present invention is to straighten a vertical design line on both sides of a back of a seat back without causing a "slip" on the back of the seat back. It is to improve the appearance.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and the invention according to claim 1 is characterized in that a gate-shaped plate imitating the upper side and both sides of the back of the seat back is provided. Along with being provided inside the cover, an upper suspension member is provided along the width direction of the back and back with respect to the upper portion of the plate, and also along the longitudinal direction of the back with respect to both side portions of the plate. Side suspension members are provided respectively, a suspension member is attached to the upper suspension member, and a tension member coupled to an end of the suspension member is attached to the side suspension member. A seat cover structure for a seat back,
A downward pulling force is applied to the two pulling members. Further, these pulling members are respectively hooked on the locking portions of the seat back frame, and the seat cover is drawn in the interior direction of the seat back.

[0006] According to this structure, since the upper suspension member and the side suspension members provided on the upper portion and both side portions of the plate at the back of the seat back are subjected to a pulling force, the seat cover is provided. Is pulled evenly. In addition, since the tension members are attached to the side suspension members and tension is applied in the vertical direction, and the seat covers are pulled inwardly of the seat back by these tension members. The design line in the vertical direction passes straight and looks good.

According to a second aspect of the present invention, there is provided the seat cover structure for the seat back according to the first aspect, wherein the locking portions are provided on both side frames of the seat back frame. Since the locking portion is provided on the rigid side frame of the seat back frame as described above, the pulling member can be strongly pulled in the interior direction of the seat back. And the like can be prevented and the appearance of the back can be improved.

According to a third aspect of the present invention, there is provided the seat cover structure for the seat back according to the first aspect, wherein the hanging member provided on the upper hanging member is provided on the seat back frame side by a locking member. Are combined. As a result, the seat cover is retracted toward the inside of the seat back at the upper back portion of the seat back, so that the seat cover is properly pulled and the appearance of the back portion is further improved.

According to a fourth aspect of the present invention, there is provided the seat cover structure for the seat back according to the first aspect, wherein the gate-shaped plate is wrapped around the both sides near the middle of the back of the back in the vertical direction. It has a handover part. In this case, the surface rigidity of the back of the seat back is enhanced by the transfer portion, and the finished state is improved.

[0010]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described with reference to FIG. FIG. 1 is a perspective view showing a seat back of a front seat, FIG. 2 is an enlarged sectional view in the direction of arrows AA in FIG. 1, and FIG. 3 is a perspective view showing a seat back frame. As is clear from these drawings, the seat back 10 is roughly divided into a metal seat back frame 1.
2. It is composed of a pad 14 formed of urethane foam or the like, and a seat cover 16 formed of cloth, leather, or the like.

As shown in FIG. 3, the seat back frame 12 has a frame having a high rigidity in which an upper pipe 12b and a lower frame 12c are bridged above and below both side frames 12a. A plurality of S springs 12d are stretched between these two side frames 12a, and the upper pipe 12
A wire 12e is stretched between both sides of b. Further, hooks 12f serving as locking portions are fixed to the inner surfaces of both side frames 12a facing each other. However, FIG. 3 shows only one hook 12f. The pad 14 is attached to the outside of the seat back frame 12 as shown in FIG.

The seat cover 16 is sewn in a bag shape with its lower part opened, and is placed over the seat back frame 12 to which the pad 14 is assembled as described above. Since the appearance of the back 18 of the front seat 10 is also important, various measures have been taken to give the seat cover 16 constituting the back 18 an appropriate tension to finish the seat cover 16.

FIG. 4 is a partial plan view showing the seat cover 16 turned upside down. In other words, this drawing shows a state in which the configuration of the seat cover 16 on the back 18 is viewed from the inside of the seat back 10. As is clear from FIG. 4 and FIG.
A plate 20 made of a synthetic resin is sewn to the seat cover 16 inside the 6. The plate 20 has a planar shape following the upper and both sides of the back 18, and an upper portion 20 a along the width direction of the back 18.
And both sides 2 along the longitudinal direction of the back 18 from both ends thereof
0b has a gate shape. Also this plate 2
0 is provided with a bridging portion 20c which is bridged between the side portions 20b in the vicinity of the middle of the back 18 in the vertical direction.

On the upper portion 20a of the plate 20, an upper suspending member 22 formed by folding a cloth or the like in two is sewn together with the seat cover 16. The upper suspension member 22 is located above the back 18 as a long tube in the width direction, and an edge wire 24 (a suspension member) is inserted therethrough. The edge wire 24 is connected to the wire 12e of the seat back frame 12 by a hog ring 26 (locking member) at a plurality of positions in the width direction (FIG. 2). As a result, a pulling force is applied to the edge wire 24 in the inward direction, and the seat cover 16 is drawn inward in the seatback 10 at the upper portion of the back 18. Although the upper suspension member 22 is sewn to the upper portion 20a of the plate 20, it may be replaced with an adhesive. In addition, the edge wire 24 as a suspending member is inserted through the upper suspending member 22, but the suspending member and the upper suspending member 22 may be formed integrally.

As in the case of the upper suspending member 22, side suspending members 28 formed by folding a cloth or the like in two in the same manner as the upper suspending member 22 are sewn together with the seat cover 16 on both sides 20b of the plate 20. However, FIG. 4 shows only one side of both the side portion 20b and the side hanging member 28. The side suspending members 28 are vertically long tubular members on both sides of the back 18 and have a rubber rubber 29 therein.
(Pulling members) are inserted. The upper ends of these rubber bands 29 are connected to the ends of the edge wires 24 (FIG. 4), and the individual rubber bands 2
9 has a downward pulling force. The means for attaching the side suspending member 28 to both side portions 20b of the plate 20 can be changed from sewn to adhered. Also, the side suspending member 28 and the rubber rubber 29 (tension ) May be integrally formed.

FIG. 5 is an enlarged perspective view of a part of the side frame 12a as viewed from the back and back, and FIG. 6 is an enlarged sectional view taken along the line BB of FIG. As is clear from these drawings, the rubber rubber 29 is attached to both side frames 12.
The hooks 12f are fixed to the hooks 12f, respectively. As a result, the fur rubber 29 is pulled not only vertically but also inwardly with respect to the seat back frame 12. In addition, since the hook 12f is fixed to the rigid side frame 12a, the fur rubber 29 can be pulled strongly into the seatback 10. Therefore, it is possible to prevent "slipping" or the like from being generated on the seat cover 16, and the vertical design lines L (FIG. 1) on both sides of the back 18 pass straight and look good.

The upper suspension member 22 and the side suspension member 28 are sewn to the gate-shaped plate 20, respectively, and the edge wire 2
Since the pulling force is applied to the fourth rubber 4 and the rubber 29, the seat cover 16 is uniformly pulled on the back 18. Further, since the plate 20 is provided with the transfer portion 20c, the surface rigidity of the back 18 is ensured by the transfer portion 20c, which also improves the appearance of the back 18.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a seat back of a front seat.

FIG. 2 is an enlarged cross-sectional view in the direction of arrows AA in FIG.

FIG. 3 is a perspective view showing a seat back frame.

FIG. 4 is a partial plan view showing the seat cover turned upside down.

FIG. 5 is an enlarged perspective view of a part of the side frame as viewed from the back side.

FIG. 6 is an enlarged cross-sectional view taken along the line BB of FIG. 1;

FIG. 7 is a perspective view showing a conventional seat back.

FIG. 8 is a sectional view taken in the direction of arrows CC in FIG. 7;

FIG. 9 is a partial plan view showing a conventional seat back with a seat cover turned upside down.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Seat back 12 Seat back frame 12f Hook 16 Seat cover 18 Back back 20 Plate 20a Upper part 20b Side part 22 Upper suspending member 24 Edge wire (suspending member) 28 Side suspending member 29 Faston rubber (pulling member)

Claims (4)

[Claims] At the back of the seat back, a gate-shaped plate following the upper side and both sides thereof is provided inside the seat cover, and the upper part of the plate extends along the width direction of the back. An upper suspending member is provided, and side suspending members are respectively provided along the longitudinal direction of the back and back with respect to both side portions of the plate, and a suspending member is attached to the upper suspending member. A seatback structure for a seatback, wherein a tension member coupled to an end of the suspension member is attached to the side suspension member, and a downward pulling force is applied to the tension members. In addition, these pulling members are respectively hooked on the locking portions of the seat back frame, and the seat cover is drawn inward of the seat back. Seat cover structure for the seat back. 2. The seat back seat cover structure according to claim 1, wherein the locking portions are provided on both side frames of the seat back frame. 3. The seatback structure for a seatback according to claim 1, wherein the suspension member provided on the upper suspension member is connected to a seatback frame by a locking member. Seat cover structure. 4. The seat cover structure for a seat back according to claim 1, wherein the gate-shaped plate includes a bridging portion bridging between the both sides near a middle of the back and back in the vertical direction. Seat cover structure for seat back.