JPH10236188A - Seat device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify its structure and operation in a seat device for automobile which permits easy getting-on/off for a physically handicapped person. SOLUTION: A seat cushion A supported on a supporting frame 10 is divided into a front seat cushion Aa and a rear seat cushion Ab along a driving surface Ac extending in the longitudinal direction, the rear part seat cushion Ab is fixed on the supporting frame 10, and the front seat cushion Aa is supported on the supporting frame 10 through a horizontal slide track 20 so as to be capable of reciprocating movement along the dividing surface. An occupant is seated on the front seat cushion Aa at a getting-on/off position outwards from a door opening by moving it outward, and gets in a vehicle by returning to a riding position just before the rear part seat cushion Ab. The dividing surface is formed so as to extend diagonally rearward outside vehicle body, and it is preferably that a lock device 35 which locks the front seat cushion Aa at the riding position or the getting-on/off position may be formed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat apparatus for an automobile, which makes it easy for an elderly person or a physically handicapped person (hereinafter simply referred to as a disabled person) to get on and off the automobile.

[0002]

2. Description of the Related Art It is not always easy for a disabled person to get on and off a vehicle seat such as a passenger seat. In order to solve such a problem, for example, as disclosed in Japanese Utility Model Laid-Open Publication No. 63-141538, a seat is slidable back and forth and left and right and rotatable.

[0003]

Such a conventional seat apparatus has a complicated structure, and in order to facilitate getting on and off, a part of the seat having a considerable front and rear width is prevented from hitting a center pillar or the like. In order to move the seat outside through the opening of the door, it is necessary to place the seat in an appropriate position in the front-rear direction in advance, so that there is a problem that the operation becomes complicated. An object of the present invention is to solve such problems by dividing a seat cushion back and forth, and moving only a front seat cushion in the left-right direction.

[0004]

SUMMARY OF THE INVENTION A vehicle seat device according to the present invention relates to a vehicle seat device comprising a seat cushion supported on a support frame and a seat back rising above a rear portion thereof. The cushion is separated into a front seat cushion and a rear seat cushion along a split surface extending in the left and right direction, the rear seat cushion is fixed on the support frame, and the front seat cushion is along the split surface via a horizontal slide track. It is supported on a support frame so as to be able to reciprocate. The occupant sits on the front seat cushion at the getting on / off position in which the front seat cushion is moved outward with respect to the vehicle body by the lateral slide track and at least a part of the front seat cushion is out of the door opening, and the attendant sits on the front seat cushion. The seat cushion is returned to the riding position in front of the rear seat cushion, thereby sitting on the seat. Getting off is performed in the reverse order.

[0005] The dividing surface is preferably a plane extending obliquely rearward outside the vehicle body from the edge of the seat cushion inside the vehicle body. In this way, the front seat cushion moves rearward with respect to the door opening at the getting on / off position.

[0006] Two sets of horizontal slide tracks for supporting the front seat cushion are provided at front and rear intervals. Each horizontal slide track is provided with a first rail fixed on a support frame in parallel with a dividing surface, and a first rail. A second rail that is guided and supported slidably only in the longitudinal direction with respect to the rail, and a third rail that is guided and supported slidably only in the longitudinal direction with respect to the second rail and to which a front seat cushion is fixed. It is better to be. If the horizontal slide track is constituted by three rails as described above, the operation stroke becomes large.

Further, a lock device is provided for locking the front seat cushion to the support frame so that the front seat cushion can be detached from the support frame at a riding position where the front seat cushion is in front of the rear seat cushion and at a getting on / off position where the front seat cushion is the outermost of the vehicle body. Is good.

[0008] It is desirable to provide a footrest which can be pulled out forward at a lower portion on the front side of the front seat cushion.

[0009]

1 to 5 show an embodiment in which the present invention is applied to a passenger seat of an automobile. As shown in FIG. 5, the vehicle according to the present invention is mounted on a floor C between a rocker panel D which is a strength member located below the front door E of the side member of the vehicle body and a console box F located at the center of the vehicle body. A seat device is provided. The seat of this seat device includes a seat cushion A and a seat back B, both of which are supported by a support frame 10. The seat cushion A has a flat dividing surface Ac extending obliquely rearward on the left outside of the vehicle body from an edge on the inside of the vehicle body.
Is divided into a front seat cushion Aa and a rear seat cushion Ab, and the rear seat cushion Ab is fixed to the support frame 10, but the front seat cushion Aa is reciprocally movable in parallel with the division surface Ac on the support frame 10. Supported.

As shown in FIG. 1 to FIG.
0 is the left and right seat adjusters 11 with two reinforcing members 12
And is supported on the floor C by the left and right seat tracks 13 so that the position in the front-rear direction can be adjusted. Each seat track 13 includes a bracket 14
a and a lower rail 13a fixed on the floor C via the upper and lower rails 13a and 14b, and an upper rail 1 supported by the lower rail 13a via rolling balls so as to be movable in the front-rear direction.
3b, and each seat adjuster 11 is welded and fixed to each upper rail 13b. Thus, the support frame 10 is guided and supported on the floor C so as to be movable in the front-rear direction, and its position is adjusted by operating a front-rear position lock handle (not shown).

The rear seat cushion Ab has a cushion frame 30b at the bottom of the rear seat cushion Ab.
By being attached to the rear part of the seat adjuster 11 through the support frame 10, it is fixed to the rear part of the support frame 10. The seat back B is supported at the rear of the seat adjuster 11 via a reclining mechanism (not shown) so that the inclination angle can be adjusted.

The front seat cushion Aa is movable along the dividing plane Ac between a boarding position just in front of the rear seat cushion Ab and a getting on / off position on the outermost left side of the vehicle body. It is supported on the support frame 10 via a pair of front and rear horizontal slide tracks 20. As shown in FIGS. 1, 3 and 4, each horizontal slide track 20 has first and third rails 21, 23 on both outer sides.
And a second rail 22 located therebetween and slidably engaged with the rails 21 and 23 only in the longitudinal direction. As shown in FIG. 4, the first and third rails 21 and 21 are provided.
3 has a pair of arc-shaped inward grooves 21a and 23a formed along the upper and lower inner edges thereof, and the second rail 22 is welded and fixed to two rails inside the rails 21 and 23 back to back. A pair of arc-shaped outward grooves 22a each corresponding to the direction grooves 21a and 23a are formed along the upper and lower outer edges of each portion. The first rail 21 and the second rail 22 are slidably engaged only in the longitudinal direction by interposing a number of rolling balls 24 between the corresponding inward groove 21a and outward groove 22a. Rail 22 and third rail 2
3 is slidably engaged only in the longitudinal direction by interposing a number of rolling balls 24 between the corresponding outward groove 22a and inward groove 23a.

As shown in FIGS. 1, 2 and 4, the first rail 21 of each horizontal slide track 20
5a, 25b, brackets 25c, 25d and bolt 1
5, is fixed to the reinforcing member 12 of the support frame 10 in parallel with the division surface Ac with an interval in the front-rear direction.
The third rail 23 of each horizontal slide track 20 supports a cushion frame 30a at the bottom of the front seat cushion Aa via brackets 26a, 26b and bolts 31. As a result, the front seat cushion Aa
Between the riding position in front of the rear seat cushion Ab and the getting-in / out position on the leftmost side of the vehicle body, the dividing plane A
It is supported by the support frame 10 so as to be movable along c. The horizontal slide track 20, especially its third rail 23, is arranged at a height that allows it to move over the rocker panel D.

A moving handle G for moving the front seat cushion Aa to the left or right on the front door E side is fixed to the left side surface. As shown mainly in FIGS. 2 and 3, the left and right sleeves 32 fixed to the front upper surface of the front seat cushion frame 30 a at the bottom of the front seat cushion Aa are bent and connected in a U-shape. Both legs of the footrest 33 formed of a pipe reinforced with a member 33a are inserted and supported on the front side so that they can be pulled out.

Next, a description will be given of a lock device 35 for detachably locking the front seat cushion Aa at the boarding position and the getting on / off position. As shown in FIGS. 1 to 3, the front seat cushion frame 30a at the bottom of the front seat cushion Aa.
On the lower side, a lock bar 36 is supported in parallel to the horizontal slide track 20 and only rotatable via a pair of brackets 37a and 37b fixed in the horizontal direction. The lock bar 36 has a hook 36a at the tip.
Is bent at a right angle, and an operating handle 36b is formed at the end of the other end bent substantially in parallel with this, and the hook 36a is urged downward by a torsion spring (not shown). ing. At the riding position shown by the solid line in FIG. 1 (the front seat cushion Aa is shown by a two-dot chain line), the bracket 37b comes into contact with a part 39b of the first stopper 39 welded and fixed to the seat adjuster 11 of the support frame 10 and stops. The hook portion 36a of the lock bar 36 urged downward is engaged with the U-shaped notch 38a of the second stopper 38 fixed to the reinforcing member 12 of the support frame 10, and the front seat cushion Aa is engaged. Is stopped. 1, the bracket 37a abuts on a portion 39b of the first stopper 39 and stops, and the hook 36a of the lock bar 36
The front seat cushion Aa is engaged with the U-shaped notch 39a of the first stopper 39 and locked at the position indicated by the two-dot chain line Aa1.

Next, the operation of the above embodiment will be described. As shown in FIG. 5 (a), the front seat cushion Aa
Is in the riding position just in front of the rear seat cushion Ab, as shown by the solid line in FIG. The lock bar 36 has a hook 36a engaged with the U-shaped notch 38a of the second stopper 38, and the front seat cushion Aa is locked so as not to move. Then, if the front door E is opened and the operator puts his hand on the operation handle 36b and lifts it against the torsion spring, the hook 36a also pivots upward and the U-shaped notch 3
8a, the lock device 35 is released, and the front seat cushion Aa can move diagonally left rearward along the division surface Ac.

In this state, if the user puts his hand on the moving handle G and pulls it outward, the front seat cushion Aa passes over the rocker panel D and gets on / off the position shown in FIG. Aa1). At the time of this movement, each third rail 23 moves together with the front seat cushion Aa, and at the getting on / off position where the bracket 37a comes into contact with the part 39b of the first stopper 39 and is stopped, the position shown by the two-dot chain line 23A is obtained. Each of the second rails 22 moves at half the speed, and the two-dot chain line 22
The position is indicated by A. Operation handle 36 at the getting on / off position
When the hand is released from b, the hook portion 36a returns downward by the torsion spring, engages with the U-shaped notch 39a of the first stopper 39, the locking device 35 operates, and the front seat cushion Aa is moved to that position. Locked. In this getting on / off position, about half of the front seat cushion Aa protrudes outward from the opened door opening. And as shown by reference numeral 33A,
Pull out the footrest 33 from the sleeve 32.

After the seated person accompanied by the caretaker sits on the front seat cushion Aa moved to the getting on / off position in this way, and the footrest 32 is put on the foot to stabilize the posture, Locking device 35 in the same manner as
Is released, and the front seat cushion Aa is returned to the riding position shown in FIG.
To lock the front seat cushion Aa. In this state, the occupant steps down on the floor C from the footrest 32, and the footrest 32 is pushed into the storage position. The above is a description of a case where a disabled person or the like gets on the board. However, when getting off, the procedure may be reversed.

In the above-described embodiment, the structure is simplified because the front seat cushion Aa is merely moved in the left-right direction by the horizontal slide track 20. Only the front seat cushion Aa moves in the left-right direction by the horizontal slide track 20, and since this moving portion has a small front-rear width, the center pillar H or the like can be used even if the front-rear position of the seat is not determined in advance. Therefore, there is no possibility that the front seat cushion Aa cannot move to the getting on / off position shown in FIG.

In this embodiment, since the moving direction of the front seat cushion Aa by the horizontal slide track 20 is diagonally left rearward, the front seat cushion Aa moves rearward with respect to the door opening at the stepping-in / out position moved outward. And the distance to the front door E is widened, so that getting on and off the front seat cushion Aa becomes easy.

Further, a horizontal slide track 20 has a first rail 21 fixed to the support frame 10, a second rail 22 guided and supported slidably only in the longitudinal direction with respect to the first rail 21, and Since the front rails are guided by the second rail 22 so as to be slidable only in the longitudinal direction and are fixed to the front seat cushion Aa, the third rail 23 is used.
Since the operation stroke of the horizontal slide track 20 is increased and the front seat cushion Aa can be sufficiently moved to the outside of the vehicle body, getting on and off the front seat cushion Aa becomes easy.

Further, since the front seat cushion Aa is locked to the support frame 10 between the riding position and the getting on / off position by providing the lock device 35, the front seat cushion Aa moves to lose stability at the riding position. Also, there is no need to feel uneasy when a disabled person or the like gets on or off the vehicle at the getting on / off position. Further, since the retractable footrest 33 is provided at the lower front side of the front seat cushion Aa, it is easy to get on and off the front seat cushion Aa, and by putting a foot on the footrest 33 when the front seat cushion Aa moves. The posture can be stabilized.

In the above embodiment, the dividing plane Ac separating the seat cushion A into a front part and a rear part is a plane extending obliquely rearward, and each horizontal slide track 20 is divided into the dividing plane Ac.
However, the dividing surface may be formed in an arc shape having a large radius protruding forward, and each horizontal slide track may be formed in an arc shape concentric with the dividing surface. In this way, the front seat cushion Aa is slightly outwardly directed to the outside getting on / off position, so that getting on / off can be further facilitated.

[0024]

According to the present invention, since a mechanism for rotatably supporting the sheet is not required, the structure is simplified and the manufacturing cost can be reduced. Only the front seat cushion moves outward with respect to the vehicle body by the horizontal slide track, and the front and rear width of the moving part is small. It will be easier.

[0025] According to the split surface, which is a plane extending obliquely rearward and outward from the vehicle body inside edge of the seat cushion, the front seat cushion moves rearward with respect to the door opening at the boarding position which has moved outward. By doing so, the front side is widened, so that it is easy to get on and off the front seat cushion.

A horizontal slide track includes a first rail fixed to a support frame, a second rail slidably supported only in the longitudinal direction with respect to the first rail, and a longitudinal rail with respect to the second rail. According to the third rail having the front seat cushion fixed to the front seat cushion and slidably guided by the third rail, the operation stroke of the horizontal slide track is increased, and the front seat cushion is sufficiently moved to the outside of the vehicle body. This makes it easy to get on and off the front seat cushion.

According to the device provided with the lock device, the front seat cushion is locked to the support frame at the boarding position and the getting on / off position, so that the front seat cushion moves and the stability is lost at the boarding position. In addition, the handicapped person does not feel uneasy at the getting on / off position.

If a retractable footrest is provided at the lower front side of the front seat cushion, use of the footrest makes it easy to get on and off the front seat cushion, and the foot rests on the footrest when the front seat cushion is moved. The posture can be stabilized by mounting.

[Brief description of the drawings]

FIG. 1 is an overall plan view showing an embodiment of a vehicle seat device according to the present invention, with a seat portion removed.

FIG. 2 is a sectional view taken along line 2-2 of FIG.

FIG. 3 is a sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is an enlarged view of a portion X in FIG. 2;

FIG. 5 is a schematic plan view illustrating the operation of the embodiment shown in FIG.

[Explanation of symbols]

10: support frame, 20: horizontal slide track, 21
... first rail, 22 ... second rail, 23 ... third rail,
33: Footrest, 35: Locking device, A: Seat cushion, Aa: Front seat cushion, Ab: Rear seat cushion, Ac: Dividing surface, B: Seat back B.

Claims (5)

[Claims] 1. An automobile seat device comprising a seat cushion supported on a support frame and a seat back rising above a rear portion thereof, wherein the front seat cushion is provided along a dividing surface extending in the left-right direction. And a rear seat cushion, the rear seat cushion is fixed on the support frame, and the front seat cushion is supported on the support frame so as to be able to reciprocate along the dividing surface via a horizontal slide track. A seat device for an automobile, comprising: 2. The vehicle seat apparatus according to claim 1, wherein the dividing surface is a plane extending obliquely rearward outside the vehicle body from an edge of the seat cushion inside the vehicle body. 3. A pair of said horizontal slide tracks are provided in front and rear, and each horizontal slide track is provided with a first rail fixed on said support frame in parallel with said division surface,
A second rail guided and supported slidably only in the longitudinal direction with respect to the first rail, and the front seat cushion is fixedly guided and supported slidably only in the longitudinal direction with respect to the second rail. 3. The vehicle seat device according to claim 1, comprising a third rail. 4. The front seat cushion is detachably locked to the support frame at a riding position where the front seat cushion is in front of the rear seat cushion and at a getting on / off position where the front seat cushion is the outermost of the vehicle body. The vehicle seat device according to any one of claims 1 to 3, further comprising a locking device that performs locking. 5. The vehicle seat device according to claim 1, wherein a footrest that can be pulled out forward is provided at a lower portion on the front side of the front seat cushion.