JPH0884636A - Vehicle seat support device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a seat support device for a vehicle that improves seat supportability and creates a design-like sporting feeling. A seat support device S1 covers a back frame 8, a support pad 10 formed on one surface of the back frame 8 for supporting at least a shoulder portion of an occupant seated on a seat, and the support pad 10 so as to cover the support pad 10. The outer skin portion 12 is joined to the back frame 8. The seat support device S1 is detachably attached so that the upper portions of the headrest 6 and the seatback 4 are covered with the back frame 8 and the skin 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat support device mounted on a vehicle seat and supporting at least a shoulder portion of an occupant seated on the seat.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 59-216741 discloses a vehicle exterior in which a removable seat cushion and a seat back are attached to both sides of a main seat, and the seat cushion and the seat back are removed from the main seat and then combined. However, a seat device configured to be used is disclosed.

The seat disclosed in Japanese Utility Model Laid-Open No. Sho 60-85232 has a seat back cushion that can be attached to and detached from the front and back of the seat back body to move the seat back forward, and to use the seat back cushion. It is configured so that it can be mounted on the rear part of the main body and seated rearward.

Japanese Utility Model Publication No. 60-98459 discloses a side cushion which is detachably mounted on both sides of a seat cushion and a seat back of a vehicle seat.
Each of the side supports is configured to be attached to an arbitrary side part.

Japanese Utility Model Laid-Open No. 2-125648 or Japanese Utility Model Laid-Open No. 2-125650 discloses a vehicle seat in which each block of a plurality of divided seat pad portions is detachably attached to a seat main portion and assembled into a predetermined shape. Is disclosed.

[0006]

In any of the above-mentioned publications mentioned in the prior art, the seating comfort of the seat is improved by making part of the seat detachable, or a part of the seat is removed. There is no one that is used for other purposes, and another device is additionally attached to the seat attached to the vehicle to improve the supportability of the seat and the aesthetics of the seat. There has been a demand for a device that can be attached and detached by a single monopod to provide two types of usability.

The present invention has been made in view of the above problems of the prior art, and by mounting it on a seat having an ordinary shape, it provides supportability as a sports seat and a design-like sports feeling. It is an object of the present invention to provide a vehicle seat support device that is rendered and can be attached / detached according to preference so that a monopod seat can be used in two ways.

[0008]

In order to achieve the above object, a vehicle seat support device of the present invention comprises a back frame and at least a shoulder portion of an occupant seated on a seat, which is formed on one side of the back frame. A support pad for supporting and a skin portion joined to the back frame so as to cover the support pad are provided, and the headrest and the upper portion of the seat back are covered with at least one of the back frame and the skin portion. It is configured to be detachably attached.

It is effective to form a recess in the back frame and insert the headrest and the back surface of the seat back into the recess. Further, it is preferable that the shape of the recess is substantially the same as the shape of the corresponding portion of the headrest and the seat back.

It is preferable to integrally form a belt guide for guiding the seat belt on the upper edge of the back frame.

It is preferable to form a pair of spaced long holes in the back frame, fix one end of the belt to the long holes, attach a hook to the other end, and fix the part to the seat.

A fixing belt for horizontally winding the seat back may be attached to the lower end of the back frame.

It is effective to further tighten the seat support device by forming a plurality of screw holes in the back frame, attaching a fixing adjusting tool to the screw holes, and pressing the fixing adjusting tool against the seat back.

The support pad can support not only both shoulders of the occupant but also both sides.

The vehicle seat support device of the present invention comprises a seat cushion, a seat back tiltably attached to the seat cushion, and a headrest detachably attached to an upper edge portion of the seat back via a pole. It can also be attached to a vehicle seat consisting of. In this case, the seat support device supports a frame, a pair of poles, one end of which is fixed to the frame and extends downward from the frame, and a frame integrally formed with the frame, which supports at least the head and shoulders of an occupant seated on the seat. Support pad, a back cover attached to the support pad, and a skin part joined to the back cover so as to cover the support pad, and fixed to the frame after the headrest is removed. It is detachably attached to the seat back through the above-mentioned pole.

It is effective to attach a fixing belt to the lower end of the back cover.

[0017]

The seat support device is composed of a back frame, a support pad formed on one side of the back frame, and a skin portion bonded to the back frame so as to cover the support pad. By covering the upper part of the headrest and the seat back with at least one of the back frame and the skin, the support pad supports a part of the occupant's body,
The supportability of the seat is improved and the aesthetic appearance as a sports seat is improved.

By forming a recess in the back frame and fitting the back portion of the seat back into the recess, the seat support device can be stably held on the seat. Further, by making the shape of the recess substantially the same as the shape of the corresponding portion of the seat back, the seat support device can be further stabilized.

By integrally forming a belt guide for guiding the seat belt on the upper edge of the back frame, the seat belt can be easily guided and worn on the body of an occupant.

The seat support device is securely held on the seat by fixing the back frame to a part of the seat via a belt or by attaching a belt for horizontally winding the seat back to the lower end of the back frame. To be done.

When the seat support device is further tightened by attaching the fixing adjuster to the plurality of screw holes formed in the back frame and pressing the fixing adjuster against the seat back, the stability of the seat support device is improved.

By forming the support pad to support both shoulders and both sides of the occupant, the supportability of the seat is further improved.

The seat support device includes a frame, a pair of poles having one end fixed to the frame, and a support pad integrally formed with the frame and supporting at least the head and shoulders of an occupant seated on the seat. By comprising a back cover adhered to the support pad and a skin part joined to the back cover so as to cover the support pad, the seat cover can be detachably attached to the upper edge of the seat back through a pole. It can also be mounted on a vehicle seat with an attached headrest. In this case, the seat support device is detachably attached to the seat back via the pole fixed to the frame after removing the headrest.

By attaching the fixing belt to the lower end of the back cover, the seat support device can be stably held on the seat.

[0025]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, a seat device to which the seat support device S1 of the present invention is applied is generally
A seat cushion 2 attached to a vehicle, and a seat back 4 attached to the seat cushion 2 so as to be tiltable.
And a headrest 6 integrally fixed to the seat back 4, and the seat cushion 2 and the seat back 4
Seat cushion frame (not shown)
And a seat back frame (not shown).

As shown in FIGS. 1 to 3, the seat support device S1 of the present invention is formed into a sheet by integrally molding one side of the back frame 8 with a back frame 8 made of plastic and a cushioning material such as urethane. A pair of shoulder pads 1 for supporting at least the shoulders of a seated occupant
0 and a skin 12 joined to the back frame 8 so as to cover the shoulder pad 10. The back frame 8 is the seat back 4 of the seat to which it is applied.
And a recess 8a having substantially the same shape as the shape of the headrest 6, and in the vicinity of the lower end of the back frame 8, a pair of elongated holes 14 are formed at positions horizontally separated by a predetermined distance,
An elongated fixing belt 16 (Fig. 4) is provided in the long hole 14.
One end of is stuck.

As shown in FIG. 4, the fixing belt 16
A locking hook 17 is fixed to the other end of the seat support device S1 and the seat support device S1 is fixed to the seat by locking the hook 17 to a part of the seat. A belt guide 18 is integrally formed in the vicinity of the shoulder pad 10 on the upper edge of one side of the back frame 8,
It is used as a guide for a seat belt (not shown) used by a seated occupant.

When the seat support device S1 having the above structure is fixed to the seat, the headrest 6 and the upper portion of the seat back 4 are fitted into the recess 8a of the back frame 8 so as to cover the seat from above, and the back frame 8 and The headrest 6 and the upper part of the seat back are surrounded by the skin 12. After that, the hook 17 of the fixing belt 16
To the lower end (shown by a solid line) of the seat back frame housed inside the seat back 4 or a leg portion (shown by a broken line) that supports the seat cushion 2 and the seat support device S1 is seated on the seat. Fix it.

FIGS. 5 and 6 show a seat support device S1 which further comprises a retractable belt 20 for horizontally winding the seat back 4 and fixing the seat support device S1 in addition to the fixing belt 16. There is.

A belt engaging piece 21 is fixed to one end of the belt 20 and the seat back 4 is wound horizontally.
The other end of is fixed by a belt locking piece 21. Further, a plurality of belt guides 22 (FIG. 1) for inserting the belt 20 and elongated holes 23 are formed at the lower end of the back frame 8.

This seat support device S1 is applied to a seat in which the upper and lower ends of the seat pad 4a are sewn to the seat back 4 and both sides thereof are not sewn to the seat back 4, and the seat pad 4a and seat There is a gap between the back 4 and the fixing belt 20 and the fixing belt 20 is inserted in the gap and the belt guide 22 and the long hole 23.
After the sheet has been inserted, the end portion of the sheet support apparatus S1 is locked by the belt locking piece 21, so that the sheet support apparatus S1 is stably held on the sheet.

In FIG. 6, reference numeral 24 denotes a plurality (4 in FIG. 6) for fixing a dial used as a fixing adjusting tool.
Individual) screw holes. When the tightening force of the seat support device S1 is insufficient, a fixing plate 25 is inserted between the seat back 4 and the back frame 8 in advance as shown in FIG. By mounting the sheet support device S1 in the screw hole 24 and pressing it against the fixing plate 25, the seat support device S1 is further firmly tightened.

Although the seat support device S1 is applied to the seat device having the integrated headrest 6 in the above embodiment, it may be applied to the seat device having the detachable lifting headrest. The support device S1 is mounted from above with the headrest held in the lowered position.

In the above embodiment, the headrest 6 and the upper portion of the seat back are surrounded by the back frame 8 and the outer skin portion 12. However, the back frame 8 is also extended forward so that the headrest 6 and the seat back 4 can be extended.
Alternatively, the entire upper part of the headrest 6 or only the periphery of the headrest 6 may be surrounded by the back frame 8.

FIGS. 8 and 9 show a second embodiment of the seat support device of the present invention. The seat support device S2 is composed of a pair of left and right support parts, and each support part is formed integrally with the back frame 28 made of, for example, a plastic back frame 28 and urethane, etc. Pair of shoulder pads 30 that support the shoulders, and a skin part 3 joined to the back frame 28 so as to cover the shoulder pads 30.
2 is provided. The shoulder pad 30 includes a shoulder pad shown in FIG. 1 and a side pad that hangs down from the shoulder pad and supports a side portion of an occupant. For convenience, the shoulder pad is referred to as a “shoulder pad” in this specification. To do.

As shown in FIG. 9, the seat support device S2 has two upper and lower fixing belts 34 and 36 extending substantially horizontally. The upper fixing belt 34 can be wound around the lower portion of the headrest while the lower portion thereof The pair of left and right support portions is fixed to the seat by inserting the fixing belt 36 between the seat surface pad 4a and the seat back 4 and winding the fixing belt 36 around the seat back 4.

The shoulder pad 10 shown in FIG.
May have the shape of the shoulder pad 30 shown in FIG.

FIG. 10 shows a third embodiment of the seat support device of the present invention. This seat support device S3
Is applied to a seat having a detachable liftable headrest, and is used by removing the headrest.

As shown in FIGS. 11 and 12, the seat support device S3 includes an inner frame 40 and two substantially parallel poles 42 having one end fixed to the inner frame 40 and extending downward from the inner frame 40. , A support pad 44 that is integrally molded with the inner frame 40 by a cushioning material such as urethane and supports the head and shoulders of the occupant seated on the seat, and is attached to the back surface of the support pad 44, for example, a plastic back The cover 46 and the skin 48 joined to the back cover 46 so as to cover the support pad 44 are provided. This seat support device S
Also in No. 3, similarly to the seat support device S1, a recess 46a having substantially the same shape as the shape of the seat back 4 is formed in the back cover 46.

Further, at the lower end of the back cover 46, as shown in FIG.
A plurality of belt guides 52 for inserting the fixing belt 50 shown in 0 are provided.

When the seat support device S3 having the above structure is mounted on the seat, the headrest detachably attached to the seatback 4 is first removed, and the pole 42 is inserted into the pole guide hole (not shown) of the headrest. The upper portion of the seat back 4 is fitted into the recess 46a of the back cover 46 to fix the seat support device S3 to the seat. Thereafter, the fixing belt 50 is inserted between the seating pad 4a and the seat back 4 and wound around the seat back 4, whereby the seat support device S
3 is securely fixed to the seat.

[Brief description of drawings]

FIG. 1 is a perspective view from the front of a seat support device according to a first embodiment of the present invention and a seat to which the seat support device is attached.

2 is a cross-sectional view taken along the line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a perspective view from the rear of the seat showing a state in which the seat support device is attached.

5 is a perspective view from the front of the seat showing a modified example of the seat support device of FIG. 1. FIG.

FIG. 6 is a rear perspective view of the seat of the seat support device of FIG.

FIG. 7 is a partial cross-sectional view showing a fixing adjustment tool of the seat support device.

FIG. 8 is a perspective view from the front of the seat showing a state in which the seat support device according to the second embodiment of the present invention is attached.

9 is a rear perspective view of the seat of FIG. 8. FIG.

FIG. 10 is a perspective view from the front of the seat showing a state in which the seat support device according to the third embodiment of the present invention is attached.

11 is an exploded perspective view showing the structure of the seat support device of FIG.

12 is a cross-sectional view taken along the line XII-XII in FIG.

[Explanation of symbols]

 2 Seat cushion 4 Seat back 6 Headrest 8,28 Back frame 8a Recess 10,30 Shoulder pad 12,32 Skin 14 Long hole 16,20,34,36,50 Belt 18 Belt guide 26 Fixed adjustment tool 40 Frame 42 Pole 44 support pad 46 back cover 48 skin S1, S2, S3 seat support device

Claims (10)

[Claims] 1. A seat support device mounted on a vehicle seat, comprising a seat cushion, a seat back tiltably attached to the seat cushion, and a headrest attached to an upper edge portion of the seat back. A back frame, a support pad formed on one side of the back frame and supporting at least a shoulder portion of an occupant seated on a seat, and a skin portion joined to the back frame so as to cover the support pad. A vehicle seat support device comprising: a headrest and an upper portion of the seat back, which are detachably attached so as to cover at least one of the back frame and the skin portion. 2. The vehicle seat support device according to claim 1, wherein a recess is formed in the back frame, and the headrest and the back surface of the seat back are fitted into the recess. 3. The vehicle seat support device according to claim 2, wherein the shape of the recess is substantially the same as the shape of corresponding portions of the headrest and the seatback. 4. The vehicle seat support device according to claim 1, wherein a belt guide for guiding a seat belt is integrally formed with the back frame at an upper edge portion of the back frame. 5. The back frame is provided with a pair of spaced long holes, one end of the belt is fixed to the long holes, and a hook for fixing to the seat body is attached to the other end. Vehicle seat support device. 6. The vehicle seat support device according to claim 1, wherein a belt for horizontally winding the seat back and fixing the seat support device is attached to a lower end of the back frame. 7. A plurality of screw holes are formed in the back frame, a fixing adjuster is attached to the screw holes, and the fixing adjuster is pressed against the seat back so as to further tighten the seat support device. The vehicle seat support device according to claim 1. 8. The vehicle seat support device according to claim 1, wherein the support pad supports both shoulders and both sides of the occupant. 9. A vehicle seat comprising a seat cushion, a seat back tiltably attached to the seat cushion, and a headrest detachably attached to an upper edge portion of the seat back via a pole. A seat support device for supporting a frame, a pair of poles having one end fixed to the frame and extending downward from the frame, and a frame integrally molded with the frame to support at least the head and shoulders of an occupant seated on the seat. Support pad, a back cover attached to the support pad, and a skin part joined to the back cover so as to cover the support pad, and fixed to the frame after the headrest is removed. It is configured to be detachably attached to the seat back via the pole Seat support for a vehicle according to claim. 10. The vehicle seat support device according to claim 9, wherein a belt for horizontally winding the seat back and fixing the seat support device is attached to a lower end of the back cover.