JPH115477A - Vehicular seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To quickly and simply move both side seats to the center side with a center seat moved out when the actions of sliding and reclining are limited by a wheel house or the like because of a vehicular layout, or when seating is changed into a two seating configuration making seating more comfortable, and concurrently, reduce the processing work of a lock striker provided for the floor surface of a vehicle. SOLUTION: In a jumping-up type seat 10 which has both hinge parts 20 and a locking mechanism 30 provided to the front and rear end sides of a cushion frame 13 of the seat 10 respectively, and can be jumped up around each hinge part 20 with a locking condition released for the locking mechanism 30, the assembly of each lateral sliding unit 50 at the tip ends of hinge arms 21, thereby allows the processing work of a striker provided for the floor surface of a vehicle to be eliminated, and also allows operating performance to be enhanced by sliding or locking sliders 51 at the tip ends of the hinge arms 21 within the collars 52 of the lateral sliding units 50.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat. More specifically, a hinge portion and a lock mechanism are provided at front and rear ends of a lower surface of a cushion frame of the vehicle seat, and the lock mechanism is released. Further, the present invention relates to a vehicle seat configured to jump up a vehicle seat forward from a vehicle floor with a hinge portion as a center.

[0002]

2. Description of the Related Art In a conventional one-box car or the like,
Since both boarding and luggage loading are used, an average number of seats and luggage loading space are provided. There are cases where a detachable seat is provided in places other than the driver's seat and the passenger seat, and cases where a movable seat is provided.

Further, as shown in FIG. 7A, in a three-seat separate seat S1, depending on the vehicle layout,
When the operation of sliding and reclining is restricted by the wheel house H or the like, or when a two-seat separate seat S2 is used and a comfortable seat is used as shown in FIG. 7B, the center seat CP is removed. Both side seats SP are removed, and both side seats SP are moved to the center side for mounting.

As a detachable seat device, Japanese Utility Model Laid-Open No. 4-1 is disclosed.
Japanese Patent Publication No. 31533, Japanese Utility Model Publication No. 6-11226, and the like exist. Japanese Patent Application Laid-Open No. 63-137054 discloses a structure in which a single lever can release a locking mechanism for forward and backward attachment and detachment. Exists.

FIG. 8 shows a detachable seat locking mechanism.
1, a lock member 2 provided on the lower surface of a cushion frame 1 of a seat, a striker 4 provided on a vehicle floor 3, a lock release knob 5 provided on the lock member 2, and a lever unit 6 for unlock operation. In the locked state, the striker 4 and the latch claw 7 of the lock member 2 are engaged. To release the lock, the lock release knob 5 is operated in conjunction with the operation of the lock release lever unit 6 to release the engagement between the lock member 2 and the striker 4.

[0006]

As described above, in the case of the conventional detachable seat, the lock mechanisms at the front and rear positions between the seat and the vehicle floor must be released, and the operation is troublesome. Therefore, the work is complicated, a large force is required to lift the seat and move it in the lateral direction, and the workability is extremely poor in a narrow cabin. Further, a large number of strikers must be installed on the vehicle floor, and processing on the vehicle floor is complicated. In particular, the mounting position must be changed each time in response to a change in vehicle width. There is a problem that the work of arranging the lock mechanism on the surface is very troublesome.

The present invention has been made in view of such circumstances, and particularly, in a three-seat separate seat, when the operation of sliding and reclining is restricted by a wheel house or the like depending on a vehicle layout, or in a two-seat seat. When using the seat comfortably, the center seat can be removed, and both side seats can be easily and quickly moved to the center side, and the operation is simple and work can be performed easily, and to the vehicle floor side It is an object of the present invention to provide a vehicle seat that can simplify the processing of a vehicle.

[0008]

In order to achieve the above object, a vehicle seat according to a first aspect of the present invention has a hinge portion and a lock mechanism at the front and rear ends of a lower surface of a cushion frame of the vehicle seat. Provided in the vehicle seat configured to release the lock mechanism and to jump up the seat forward from the vehicle floor centering on the hinge portion.
The hinge portion includes a pair of left and right hinge arms for supporting a seat, and a horizontal slide unit attached to a tip of each hinge arm, and the horizontal slide unit has a vehicle width fixed to a vehicle floor surface. It consists of an elongated collar along the direction and a cylindrical slider formed at the tip of the hinge arm and housed inside the collar. In a normal mounting state of the vehicle seat, the slider is locked in the collar, and The slider is slidable within the collar when the sheet jumps up.

In the vehicle seat according to the second aspect of the present invention, the collar in the lateral slide unit may be:
When the vehicle seat jumps up, the hinge arm comes into contact with the front edge of the slide hole of the collar to provide a stopper function when the seat jumps up.

Further, in the vehicle seat according to the third aspect of the present invention, the collar in the horizontal slide unit may be:
The length of the slide hole in the longitudinal direction can be varied to correspond to the vehicle width.

According to the vehicle seat according to the first aspect of the present invention, the horizontal sliding unit is attached to the tip of the hinge arm, and the slider at the tip of the hinge arm slides inside the collar when the vehicle seat is jumped up. After the vehicle seat is released, the locking mechanism on the rear side of the vehicle seat is released, and the vehicle seat is slid laterally in a state of jumping forward around the hinge portion of the vehicle seat. If the arm is returned to the rear side, the lateral sliding operation of the vehicle seat can be easily performed. In addition, a horizontal slide unit may be assembled to the tip of the hinge arm of the vehicle seat and the horizontal slide unit may be fixed to the vehicle floor, so that there is no need to attach a lock striker to the vehicle floor as in the related art.

According to the vehicle seat of the second aspect of the present invention, when the front edge of the slide hole provided in the collar of the horizontal slide unit jumps up the vehicle seat forward, it comes into contact with the hinge arm. In addition, since the stopper functions as a stopper, the stopper used to restrict the jumping angle, which has been conventionally used, can be eliminated.

According to the vehicle seat according to the third aspect of the present invention, the width of the vehicle and the width of the unit can be effectively changed by changing the color size of the horizontal slide unit and the size of the slide hole. It is not necessary to change the processing point of the rock striker every time the width changes, and it is possible to effectively cope with the width change of the vehicle.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a vehicle seat according to the present invention will be described in detail with reference to the drawings. 1 to 6 (a), (b), (c) and (d) show an embodiment in which the present invention is applied to a three-seat separate sheet.
FIG. 1 is an exploded perspective view showing the entire structure of a vehicle seat, and FIG.
FIG. 3 is a side view showing a normal state of the vehicle seat, FIG. 3 is a side view showing a state where the vehicle seat is flipped forward, FIG.
FIG. 5 is a front view showing a state before and after the slide operation, and FIG.
(A), (b), (c), (d) is a perspective view showing the operation of the unit for horizontal sliding used in the vehicle seat according to the present invention.

In FIG. 1, a vehicle seat 10 is a vehicle seat 10 corresponding to the seat SP shown in FIGS. 7A and 7B, and a seat back 12 is attached to a seat cushion 11 in a tiltable manner. And a cushion frame 13 located on the lower surface of the seat cushion 11.
The hinge part 20 and the lock mechanism 30 are provided on the front and rear end sides of the respective parts.

More specifically, a lock body 31 having a built-in latch claw is provided on the left and right sides of the rear portion of the cushion frame 13.
The latch claw can be moved by a lever 32 for unlocking. A striker 41 corresponding to the lock body 31 on the left and right sides is provided at a rear portion of the vehicle floor surface 40 with each slide in the lateral direction. Striker 41 (41a, 41a,
41b) is formed.

On the other hand, the front side of the vehicle seat 10
A generally L-shaped hinge arm 21 is attached to each of the left and right sides, and a horizontal slide unit 50 is incorporated at the tip end of the hinge arm 21. The horizontal slide unit 50 includes a columnar slider 51 formed at the tip of the hinge arm 21 and a collar 52 long in the vehicle width direction that slidably accommodates the slider 51. .

The collar 52 is provided with bolt holes 53 at both ends in the longitudinal direction. The collar 52 is bolted to the mounting hole 42 of the vehicle floor 40 and fixed to the vehicle floor 40.
When the slider 51 slides in the horizontal direction, a slide hole 54 through which the hinge arm 21 passes is opened along the longitudinal direction, and locking notches 55a and 55b are provided at both ends of the slide hole 54. Is formed.

FIG. 2 shows a normal state of the vehicle seat 10 according to the present invention, and FIG. 3 shows a state of jumping forward.
As shown in FIG. 2, in the normal state of the vehicle seat 10, the hinge arm 21 mounted on the front side of the cushion frame 13 is provided with a locking notch 55 a of the collar 52.
Inside the collar 52, the slider 51 cannot slide inside the collar 52. On the rear side of the cushion frame 13, the lock body 31 is connected to the striker 41a of the vehicle floor 40.
Is in the engaged state.

FIG. 3 shows a state in which the vehicle seat 10 is flipped forward around the hinge arm 21 after operating the lock release lever 32 of the lock mechanism 30 to release the lock mechanism. The vehicle seat 10 can be easily slid from the position shown in FIG. 4 to the position shown in FIG.

Next, FIGS. 6 (a), (b), (c) and (d)
The operation of the horizontal slide unit 50 will be described based on FIG.
6A is in a normal state, the left and right hinge arms 21 are fitted into the locking notches 55a on one side of the collar 52, as shown in FIG.
Is securely supported by two hinge portions 20 on the front side and two lock mechanisms 30 on the rear side.

Next, after the rear locking mechanism 30 is released, as shown in FIG. 3, when the vehicle seat 10 is flipped forward, as shown in FIG.
The joint portion 21 a of the hinge arm 21 joined to the hinge 1 is disengaged from the notch 55 a for locking, and is located in the slide hole 54. When the slide operation is performed in the direction of the arrow as shown in FIG. 6C, the slider 51 slides in the collar 52, so that the vehicle seat 10 moves a predetermined stroke in the lateral direction by the size of the slide hole 54. Thus, the vehicle seat 10 is located at the position shown in FIG.

Then, as shown in FIG. 6 (d), when the vehicle seat 10 is tilted backward, the base 21a of the hinge arm 21 is fitted into the lock notch 55b on the opposite side, and the lock body 30 also striker 41b on the other side
And the vehicle seat 10 is securely locked and held at this point. Although the strikers 41a and 41b formed on the vehicle floor surface 40 are provided at two slide points, a long striker may be provided at one place along the vehicle width direction.

According to the vehicle seat 10 of the present invention,
To slide the vehicle seat 10 in the lateral direction,
After the lock mechanism 30 is released by operating the lock release lever 32, the vehicle seat 10 is flipped forward with the hinge arm 21 as a center, and is mounted on the tip of the hinge arm 21 with the vehicle seat 10 flipped forward. After the hinge arm 21 is slid by a predetermined stroke in the lateral direction by the use unit 50, the slide operation is easily completed by tilting the vehicle seat 10 backward, and the locking mechanisms on the front and rear sides are respectively released as in the related art. Therefore, the troublesome work of locking the lock mechanisms again after the sliding operation can be omitted, a simple operation can be performed, and the operability is significantly improved.

Further, the horizontal slide unit 50 used in the present invention has a hinge arm 2 at the front edge of the slide hole 54.
By attaching 1, a stopper function for regulating the jumping position is provided, and it is not necessary to separately provide a position regulating means at the time of jumping.

Further, bolt holes 53 at both ends of the collar 50 are provided.
The vehicle seat 10 can be fixed to the vehicle floor 40 by tightening bolts to the vehicle floor 40 through the vehicle, and a general-purpose fixed seat fixing structure is sufficient. There is no need to provide the unit on the floor, and the number of processing steps can be greatly simplified. In particular, by changing the longitudinal dimension of the collar 52 as the horizontal slide unit 50 and the dimension of the slide hole 54, it is possible to effectively respond to the vehicle width. This eliminates the need to change the processing point of the lock mechanism every time the vehicle width is changed unlike the related art, which is another factor that can simplify the processing.

[0027]

As described above, according to the vehicle seat according to the first aspect of the present invention, the horizontal sliding unit is assembled at the tip of the hinge arm, and the tip of the hinge arm is lifted when the vehicle seat is raised. Since the slider of the vehicle can slide inside the collar, the locking mechanism on the rear side of the vehicle seat is released, and the vehicle seat is swung in the horizontal direction with the vehicle seat flipped forward around the hinge portion of the vehicle seat. If the hinge arm is returned to the rear side after the sliding operation, the lateral sliding operation of the vehicle seat can be easily performed. In addition, a horizontal slide unit may be assembled to the tip of the hinge arm of the vehicle seat and the horizontal slide unit may be fixed to the vehicle floor, so that there is no need to attach a lock striker to the vehicle floor as in the related art.

According to the vehicle seat of the second aspect of the present invention, when the front edge of the slide hole provided in the collar of the horizontal slide unit jumps up the vehicle seat forward, it comes into contact with the hinge arm. In addition, since the stopper functions as a stopper, the stopper used to restrict the jumping angle, which has been conventionally used, can be eliminated.

According to the vehicle seat according to the third aspect of the present invention, the width of the vehicle can be effectively coped with by changing the size of the collar of the horizontal slide unit and the size of the slide hole. It is not necessary to change the processing of the rock striker to an appropriate position every time the width is changed, and it is possible to effectively cope with the width change of the vehicle.

Therefore, according to the vehicle seat of the present invention,
In the case of a three-seat separate seat, when the operation of sliding and reclining is restricted by the wheel house etc. due to the vehicle layout, or when using a two-seater and relaxing seat, the center seat is removed and both side seats are simplified. It is possible to obtain a vehicle seat that can be quickly moved to the center side, can be easily operated, and can easily perform work.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a vehicle seat according to the present invention.

FIG. 2 is a side view showing a normal state of the vehicle seat according to the present invention.

FIG. 3 is a side view showing a state in which the vehicle seat according to the present invention is jumped forward.

FIG. 4 is a front view showing a state before a sliding operation of the vehicle seat according to the present invention.

FIG. 5 is a front view showing a state after a sliding operation of the vehicle seat according to the present invention.

FIGS. 6A and 6B show an operation state of a horizontal sliding unit provided on a vehicle seat, wherein FIG. 6A is a perspective view of a normal state before a sliding operation, and FIG. (C) is a perspective view of the seat in a sliding state, (d).
FIG. 4 is a perspective view of a state in which the device is tilted backward after the slide operation.

7A is a perspective view of a conventional vehicle seat, and FIG. 7A is a perspective view of a three-seat separate seat, and FIG. 7B is a perspective view showing a state in which the three-seat separate seat is changed to a two-seat separate seat.

FIG. 8 is a side view showing a conventional vehicle seat lock mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Vehicle seat 11 Seat cushion 12 Seat back 13 Cushion frame 20 Hinge part 21 Hinge arm 21a Joining part 30 Lock mechanism 31 Lock body 32 Lock release lever 40 Vehicle floor surface 41 Striker 41a Striker 41b Striker 50 Horizontal slide unit 51 Slider 52 Collar 54 Slide hole 55 Lock notch 55a Lock notch 55b Lock notch

Claims (3)

[Claims] 1. A hinge portion and a lock mechanism are provided at front and rear end sides of a lower surface of a cushion frame of a vehicle seat, respectively.
In the vehicle seat configured to release the lock mechanism and to jump up the seat forward from the vehicle floor centering on the hinge portion, the hinge portion includes a pair of left and right hinge arms supporting the seat, A horizontal slide unit attached to the distal end of the hinge arm, the horizontal slide unit is formed at the distal end of the hinge arm, and has a long collar along the vehicle width direction fixed to the vehicle floor. It consists of a cylindrical slider housed inside the collar, and when the vehicle seat is normally mounted, the slider is locked in the collar so that the slider can slide in the collar when the vehicle seat jumps up. Features vehicle seats. 2. The collar in the horizontal slide unit has a stopper function at the time of jumping up of the vehicle seat by abutting a hinge arm and a front edge of a slide hole of the collar when the vehicle seat jumps up. The vehicle seat according to claim 1, wherein: 3. The vehicle according to claim 1, wherein the collar in the horizontal slide unit can be adapted to a vehicle width by changing a longitudinal dimension of a slide hole. Vehicle seat.