JP3192062B2 - Automotive seat support - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat support for an automobile in which a seat can be lifted from a normal use position, and a space between the seat and a cabin floor below the seat can be used for a bed or the like. Related to the device.

[0002]

2. Description of the Related Art A conventional seat supporting device for an automobile is disclosed in Japanese Utility Model Laid-Open Publication No. 62-13732.

According to this, a rear seat is provided on the upper surface side of a passenger compartment floor. A front leg extending in the front-rear direction and having a front end pivotally supported by the vehicle floor and a rear end pivotally movable up and down, and a rear end pivotally supported by a front portion of a seat cushion of the rear seat; And a rear leg protruding downward from the rear side of the seat cushion and having a lower end mounted on the vehicle cabin floor. The rear seat is supported on the vehicle floor by the front leg and the rear leg.

The mounting position of the lower end of the rear leg with respect to the cabin floor can be changed back and forth. If the mounting position is changed to the front, the front leg rotates upward, and accordingly, the The seat cushion can be raised while moving substantially in parallel.

[0005] The space between the raised seat cushion and the vehicle floor below the seat cushion can be used as a bed.

[0006]

According to the above prior art, the seat cushion is raised by changing the position of the rear leg with respect to the passenger compartment floor. Due to limitations, it is difficult to raise the seat cushion significantly. Therefore, even if the seat cushion is raised, the space below it is narrow,
When used as a bed, it may be cramped.

In order to increase the space, it is conceivable to raise the seat cushion sufficiently and to support the seat cushion with a separate support bracket. May obstruct the movement of the occupant in the passenger compartment and may not be able to sufficiently widen the space.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and a seat cushion is sufficiently raised from a normal use state with respect to a cabin floor and is supported by a support bracket. The space between the seat cushion and the cabin floor below the seat cushion is widened so that it can be used effectively, and even if the support bracket is provided as described above, this can reduce the movement of the occupant in the cabin. It is an object of the present invention to prevent the above-mentioned space from being obstructed in expanding the space.

[0009]

According to the present invention, there is provided a vehicle seat supporting apparatus for achieving the above object.
The seat cushion 1 is provided with a support bracket 26 extending along the upper surface side of the vehicle interior floor 3 and having one end pivotally supported at the side end 5 in the vehicle width direction and the other end rotatable up and down.
The rear end of the seat cushion 12, which has been raised with the front leg 16 supporting the front part 2 and has a substantially horizontal posture, can be supported by the other end of the support bracket 26 which has been rotated upward. It was made.

[0010]

[Operation] The operation of the above configuration is as follows.

From the normal use state of the rear seats 9, 10 shown in FIG. 2, the rear seats 9, 10 are changed as shown in FIG.
In order to raise the seat cushion 12, the seat cushion 12 is raised and brought to a substantially horizontal position while rotating the front leg 16 upward, as indicated by an arrow A in FIG.

The rear portion of the seat cushion 12 in a substantially horizontal position is indicated by an arrow B and an imaginary line in FIG.
The other end of the support bracket 26 rotated upward is supported. Then, the seat cushion 12 is supported on the vehicle cabin floor 3 by the front legs 16 and the support bracket 26 in a state where the seat cushion 12 is sufficiently raised.

As shown in FIG. 2, when the rear seats 9, 10 are in a normal use state and the support bracket 26 is not used, as shown in FIGS.
Reference numeral 6 denotes a storage posture along the upper surface side of the cabin floor 3, so that it is prevented from protruding greatly into the interior of the cabin 2.

One end of the support bracket 26 is pivotally supported by the lateral end 5 of the passenger compartment floor 3 in the vehicle width direction.

Therefore, when the support bracket 26 is pivoted upward and the other end of the support bracket 26 supports the rear portion of the seat cushion 12 that has been raised, the support bracket 26 is moved to the vehicle floor. 3 is located above the side end 5 described above, that is, located at the side end of the space 34.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1)

1 to 4 show a first embodiment.

In the figure, reference numeral 1 denotes an automobile body, which is indicated by an arrow Fr.
Shows the front of this car.

The interior of the vehicle body 1 is a cabin 2,
The lower surface of the passenger compartment 2 is formed by a passenger compartment floor 3, and each side surface of the passenger compartment 2 in the vehicle width direction is formed by a passenger compartment side wall 4.
Further, a wheel house 6 for a rear wheel is formed at the rear end of the side end 5 in the vehicle width direction on the vehicle interior floor 3.

In FIG. 2, the front part of the passenger compartment 2 is a driver's cab, and a driver seat 8 is provided on the front side of the passenger compartment floor 3 at the front part of the passenger compartment 2. A pair of front and rear rear seats 9 and 10 are provided on the upper surface side of the cabin floor 3 at the rear of the cabin 2. Each of these sheets 8
10 to 10 are in a normal use state. Each of the rear seats 9 and 10 is substantially horizontal and can be seated, a seat back 13 pivotally supported by the rear end of the seat cushion 12 so as to be able to rotate back and forth, and A reclining device 14 that allows the seat back 13 to be freely fixed in an arbitrary rotation posture by an occupant's operation.

By operating the reclining device 14,
By rotating the seat back 13 forward, the seat back 13 can be overlaid on the upper surface of the seat cushion 12. In addition, the seat back 13 is pivoted rearward, so that the seat back 13 is
At the rear of the seat cushion 12 so that the seat cushion 12 can be brought into a flat posture that is flatly connected to the seat cushion 12.

Each of the rear seats 9, 10 is provided with a pair of left and right front legs 16, 16 extending in the front-rear direction below the front portion of each seat cushion 12. The front end of each of the front legs 16 is pivotally supported by the first pivotal support 17 on the vehicle floor 3, and the rear end of each of the front legs 16 is rotatable up and down about the first pivotal support 17. The rear end of the seat cushion 12 is pivotally supported on the front of the seat cushion 12 by a second pivotal support 18. in this case,
The front side of the front leg 16 is in contact with the upper surface of the vehicle cabin floor 3.

A rear leg 20 is provided which projects downward from the rear side of each of the seat cushions 12. The upper end 21 of the rear leg 20 is pivotally supported by the third pivot 22 at the rear of the seat cushion 12, and the lower end 23 of the rear leg 20 pivots back and forth about the third pivot 22. It is free. The lower end 23 of the rear leg 20 is detachably engaged with an anchor 24 formed on the passenger compartment floor 3, whereby the lower end 23 is placed on the passenger compartment floor 3.

The rear seats 9 and 10 are supported on the vehicle cabin floor 3 by the front legs 16 and the rear legs 20.

As shown in FIGS. 1 and 3, when the front legs 16 are rotated upward (arrows A in the drawings), the rear seats 9 and 10 are raised accordingly. In this state, the rear seats 9 and 10 are rotatable up and down around the second pivotal support 18, and by this rotation, each seat cushion 12 can be set to a substantially horizontal posture as shown in FIG. 3. It has been.

When the rear seats 9 and 10 are raised, if each rear leg 20 is rotated around the third pivotal support 22 toward the back side of each seat cushion 12,
Each of the rear legs 20 is in a storage position along the back surface of each of the seat cushions 12.

In FIGS. 1 to 3, a pair of left and right support brackets 2 are provided for the rear seats 9 and 10, respectively.
The support brackets 26 extend along the upper surface of the vehicle cabin floor 3 so as to contact the upper surface.

One end of each of the support brackets 26 in the vehicle width direction is pivotally supported by a fourth pivotal support 27 on the lateral end 5 of the vehicle cabin floor 3 in the vehicle width direction. The other end is rotatable up and down around the fourth pivot support 27 so as to face the vehicle width direction.

When the support bracket 26 is rotated downward and is made to follow the upper surface side of the passenger compartment floor 3 as described above, the support bracket 26 is in the storage posture. In particular, the support brackets 26, 26 provided for the front rear seat 9 are provided below the seat cushion 12 of the rear seat 9, and therefore, the support brackets 26, 26 which are in the stowed posture are mounted on the vehicle. It is reliably prevented that the movement of the occupant in the room 2 is obstructed.

As shown by the arrow B and the imaginary line in FIG. 1 and FIG. 3, when the support bracket 26 is rotated upward, the support bracket 26 is set in an upright posture in which the support bracket 26 is substantially vertical when viewed from the front. .

As the front legs 16 rotate upward, the rear seats 9 and 10 are raised, and the seat cushions 12 of the rear seats 9 and 10 are moved up in FIG.
When the seat cushion 12 is placed in a substantially horizontal position as shown by the arrow, the rear part of the seat cushion 12 is detachably engaged with the other end, which is the rotating end of the support bracket 26, which is in the standing position as described above. A stop 28 is provided. By this locking, the rear portion of the seat cushion 12 is supported on the vehicle cabin floor 3 via the support bracket 26.

As described above, the front leg 16 is connected to the second pivot support 1 with respect to the seat cushion 12 supported in a substantially horizontal posture.
Further rotation about the center 8 is prevented by the stopper 29. The stopper 29 and the support bracket 26 prevent the seat cushion 12 from moving forward and backward with respect to the passenger compartment floor 3. A stopper 29 is also provided on the rear seat 10 on the rear side.
It is omitted in the drawings.

The locking member 28 is a locking portion 3 which is a locking projection provided on the rear surface of the rear portion of the seat cushion 12.
1 and a locked portion 32 which is a locking recess provided at the other end of the support bracket 26. It is more reliable that the rear seats 9 and 10 freely move back and forth with respect to the passenger compartment floor 3 as described above by the engagement between the engagement portion 31 and the engaged portion 32. Will be blocked.

With the above configuration, the rear seats 9, 10
Is firmly supported on the passenger compartment floor 3 by the front legs 16 and the support bracket 26 in the ascending posture. The space 34 between the raised rear seats 9 and 10 and the passenger compartment floor 3 therebelow becomes sufficiently large, and can be effectively used as a bed or a storeroom for many purposes.

In FIG. 3, the raised rear seat 9,
If each of the seat backs 13 of the rear seats 9 and 10 is placed in a flat posture with respect to the seat cushion 12, the upper surfaces of the respective seat cushions 12 of the rear seats 9 and 10 and the upper surfaces of the seat backs 13 are generally horizontal and substantially flush. (Full flat), the upper surface of which can be widely used as a bed or the like.

As shown in FIG. 2, when the rear seats 9, 10 are in a normal use state and the support bracket 26 is not used, as shown in FIGS.
Numeral 6 is a storage posture along the upper surface side of the passenger compartment floor 3, and is prevented from protruding greatly into the interior of the passenger compartment 2, thereby preventing the passenger from operating.

Further, as described above, the support bracket 26
Is a side end 5 of the vehicle floor 3 in the vehicle width direction.
When the support bracket 26 pivots upward and the other end of the support bracket 26 supports the rear portion of the raised seat cushion 12, the support bracket 26 is The support bracket 26 is located above the side end 5 of the room floor 3, that is, at the side end of the space 34.
This prevents the space 34 from being narrowed.

In FIG. 4, depending on the application, the front rear seat 9 may be in a normal use state, and only the rear rear seat 10 may be raised to be supported by the front legs 16 and the support bracket 26. Alternatively, the reverse may be performed.

(Embodiment 2)

FIG. 5 shows a second embodiment.

According to this, when the rear seats 9 and 10 are raised and each seat back 13 is placed in a flat posture with respect to each seat cushion 12, the other end of the support bracket 26 in the standing posture is engaged. The seat cushion 12 is supported via a stopper 28 and the seat back 13 is supported via a buffer 35.

According to this embodiment, the load on the seat back 13 in the flat posture is prevented from being concentrated on the reclining device 14, and the load is reduced by the support bracket 2.
6 is also supported. For this reason, the flat state of the upper surfaces of the seat cushion 12 and the seat back 13 is maintained, and the seat back 13 can withstand the load with sufficient strength.

Therefore, the upper surfaces of the seat cushion 12 and the seat back 13 flattened as described above can be used not only for beds but also for heavy luggage storage, and the range of use can be expanded.

Since other structures and operations are the same as those of the first embodiment, the same reference numerals are given to the drawings and the description is omitted.

[0046]

According to the present invention, one end is pivotally supported at the lateral end of the passenger compartment floor extending along the upper surface side of the passenger compartment floor, and the other end is rotatable up and down. And a rear bracket, which is raised with the upward rotation of the front leg supporting the front portion of the seat cushion and is in a substantially horizontal posture, and the rear portion of the seat bracket is rotated upward. It can be supported at the end.

For this reason, if the rear portion of the seat cushion, which has been raised in accordance with the upward rotation of the front leg and is in a substantially horizontal position, is supported by the other end of the support bracket which has been rotated upward, the seat cushion can be used. In a sufficiently raised state, the vehicle is supported on the vehicle floor by the front legs and the support bracket.

Accordingly, the space between the raised seat cushion and the floor of the passenger compartment below the seat cushion is sufficiently large, and is effectively used as a bed or a storage.

Further, in the above case, when the rear seat is in a normal use state and the support bracket is not used, the support bracket can be stowed along the upper surface side of the cabin floor, and the inner side of the cabin Large projection is prevented.

Therefore, it is possible to prevent the support bracket when not in use from hindering the operation of the occupant in the passenger compartment.

Further, one end of the support bracket is pivotally supported on a lateral end of the passenger compartment floor in the vehicle width direction.

Therefore, when the support bracket is rotated upward and the other end of the support bracket supports the rear portion of the seat cushion which has been raised with the upward rotation of the front leg, the support bracket is rotated. Is located above the above-mentioned side end of the passenger compartment floor, that is, located at the side end of the above-mentioned space.

Therefore, the space is prevented from being narrowed by the support bracket supporting the rear portion of the seat cushion, and this space is effectively used while being wide.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a first embodiment.

FIG. 2 is a simplified schematic diagram of the entire side surface of the automobile in the first embodiment.

FIG. 3 is an operation explanatory view of the first embodiment, which is a simplified side view of the entire vehicle.

FIG. 4 is an operation explanatory view in the first embodiment, which is a simplified side view of the entire vehicle.

FIG. 5 is a diagram corresponding to FIG. 3 in the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 2 Cabin 3 Cabin floor 5 Side end 9,10 Rear seat 12 Seat cushion 13 Seat back 14 Reclining device 16 Front leg 20 Rear leg 21 Upper end 23 Lower end 26 Support bracket 34 Space 35 Buffer

Claims (1)

(57) [Claims] 1. A rear seat is provided on an upper surface side of a vehicle cabin floor, extends in the front-rear direction, has a front end pivotally supported by the vehicle cabin floor, and a rear end is rotatable up and down. A front leg pivotally supported at a front portion of the seat cushion of the rear seat is provided, and a rear leg protruding downward from a rear side of the seat cushion and having a lower end portion mounted on the vehicle floor is provided. An automobile seat supporting device in which a front seat and a rear leg support the rear seat on the passenger compartment floor, the vehicle seat supporting device extending along an upper surface side of the passenger compartment floor, and having one end at a side end in a vehicle width direction of the passenger compartment floor. A support bracket that is pivotally supported so that the other end is rotatable up and down. The rear portion of the seat cushion, which rises with the upward rotation of the front leg and assumes a substantially horizontal posture, is rotated upward. Other than the above support bracket Supportable and the vehicle seat support device in parts.