JP3036426B2 - Rear seat device for vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear seat device for a vehicle, and more particularly, to a rear seat device for a vehicle disposed on a rear surface of a vehicle having a step, which is one step higher.

[0002]

2. Description of the Related Art Hitherto, as an example of a vehicle rear seat device disposed at a higher portion at the rear of a floor surface of an automobile, a structure as disclosed in Japanese Patent Application Laid-Open No. 3-189245 is known.

As shown in FIG. 19, in this vehicle rear seat device, a rear seat 90 is provided with a seat cushion 91.
And the seat back 92, and the seat back 92 is positioned in front of the vehicle around the first hinge 93 (arrow S 1 in FIG. 19).
Direction). The seat cushion 91 has a lower front end portion 91A connected to a vehicle floor 96 by an L-shaped link arm 94, and can swing forward (in the direction of arrow S2 in FIG. 19).

Accordingly, in this vehicle rear seat device,
By moving the seat cushion 91 and the seat back 92 of the rear seat 90 to the positions shown in FIG.
Can be used as a mounting portion.

[0005]

However, in this vehicle rear seat device, as shown in FIG. 20, when the seat cushion 91 is in an upright state, the space between the back portion 92A of the seat back 92 and the seat cushion 91 is increased. There is a problem that it is difficult to secure a flat and wide cargo space.

The present invention has been made in consideration of the above circumstances, and has as its object to provide a vehicle rear seat device that can secure a flat and wide luggage compartment.

[0007]

According to a first aspect of the present invention, there is provided a vehicle rear seat device according to the present invention, wherein at least a seat cushion of a rear seat provided on a floor surface behind a stepped vehicle having a step is rotatable forward of the vehicle. In the rear seat device for a vehicle, the seat cushion is connected to the rear floor of the vehicle by a connection mechanism, and moves downward from a position where the vehicle is rotated substantially 90 degrees to the front in the normal seating state. It is characterized in that it is movably connected to an upright state in which the portion fits on the vehicle front floor one step lower, and a folded state rotated substantially 180 degrees forward of the vehicle.

Accordingly, the seat cushion is rotated by approximately 90 degrees from the normal seated state to the front of the vehicle by the connecting mechanism, moves downward from that position to the upright position, and becomes approximately 180 degrees from the normal seated state to the front of the vehicle. It is rotated by degrees and folded.

According to a second aspect of the present invention, in the vehicle rear seat device according to the first aspect of the present invention, the connecting mechanism is a rotary slide mechanism provided on a vehicle floor and a seat cushion, and the seat cushion is provided. A rail mounted on the vehicle side, a lower plate and a rail guide plate mounted on the vehicle floor side, and connecting means for rotatably connecting a front end of the rail guide plate and a front end of the lower plate. .

Accordingly, the seat cushion is rotated by approximately 90 degrees from the normal sitting state to the front of the vehicle by the rotary slide mechanism, moves downward from that position to the standing state, and moves from the normal sitting state to the front of the vehicle. It is rotated by approximately 180 degrees to be in a folded state.

According to a third aspect of the present invention, in the vehicle rear seat device according to the first or second aspect, a state is provided in which the seat back of the rear seat is hinged to the seat cushion side and is tilted forward on the seat cushion. ,
It can be changed to the upright state and the folded state together with the seat cushion.

Accordingly, the seat back of the rear seat moves from the normal position to the state of being tilted forward on the seat cushion by the hinge, and in this state, moves together with the seat cushion to the upright state and the folded state.

According to a fourth aspect of the present invention, in the vehicle rear seat apparatus according to the first or second aspect, the seat back of the rear seat is hinged to a body side, and the upright state and the folding state of the seat cushion are provided. In this state, the state can be changed to a state where the vehicle is moved forward on the floor behind the vehicle.

Therefore, when the seat cushion is in the upright state and the folded state, the seat back of the rear seat is brought forward from the normal position on the floor behind the vehicle by the hinge.

According to a fifth aspect of the present invention, in the vehicle rear seat device according to the first or second aspect, the seat back of the rear seat is selectively hinged to the seat cushion side and the body by switching means. It is characterized by.

Therefore, the seat back of the rear seat is selectively hingedly connected to the seat cushion side and the body by the switching means.

According to a sixth aspect of the present invention, in the rear seat apparatus for a vehicle according to the fifth aspect, the seat back of the rear seat is divided into two right and left parts, and each can be independently rotated by the switching means. And

Accordingly, the left and right sides of the rear seat of the rear seat are independently rotated by the switching means.

According to a seventh aspect of the present invention, in the vehicle rear seat device according to the second aspect, the connecting mechanism is a rotary slide mechanism, and rotates the rear end of the rail guide plate and the front end of the rail. And a connecting member that is connected as possible.

Therefore, the seat cushion is rotated approximately 90 degrees forward from the normal seated state by the rotary slide mechanism, pulled up from that position, and further rotated approximately 90 degrees forward by the connecting member.

According to an eighth aspect of the present invention, in the vehicle rear seat device according to the seventh aspect, a guide portion for inserting a headrest stay is provided below the front seat,
One end of the seat cushion in a folded state is supported by a headrest inserted into the guide portion.

Therefore, one end of the seat cushion in the folded state is supported by the headrest inserted into the headrest stay insertion guide provided at the lower portion of the front seat.

The invention of claim 9 is the vehicle rear seat device according to claim 3, wherein the headrest stay insertion guide portion in the rear seat cushion rear portion and the rear seat back lower part is provided, the rear seat cushion and the rear seatback The headrest can be inserted into both guide portions in a folded state in which both are rotated substantially 180 degrees in front of the vehicle.

[0024] Thus, receiving the forward movement of the luggage event of an impact from the front of the vehicle, in the rear seat cushion rear portion and the rear seat back lower part the headrest inserted into the headrest stay insertion guide portion provided in the.

The invention of claim 10 is the vehicle rear seat device according to claim 9, it is characterized in that it has a shape along the rear surface of the headrest on the back of the front seat back.

[0026] Therefore, the rear surface of the headrest inserted into the headrest stay insertion guide portion comes into close contact with the rear surface of the front seat back.

According to an eleventh aspect of the present invention, in the vehicle rear seat device according to the second aspect, the rail of the rotary slide mechanism and the rail guide plate have a cross section in which an opening is located below in a normal seating state. The rail guide plate has a substantially U-shape, and the rail guide plate is slidably built therein. At both ends of the opening of the rail, a bent portion protruding upward from a lower end of the sliding portion of the rail guide plate is provided. I have.

Therefore, grease is usually applied to the sliding surface of the rail and the rail guide plate in the normal seated state and the sliding surface of the rail and the rail guide plate when rotated about 180 degrees. It is inside the U-shaped cross section of the rail,
Further, at both ends of the opening of the rail, bent portions projecting upward from the lower end of the sliding portion of the rail guide plate are formed, so that grease hardly leaks out of the rail.

According to a twelfth aspect of the present invention, in the vehicle rear seat device of the eleventh aspect, a protector is temporarily attached to both outer surfaces of the rail, and the protector is integrally foamed with a seat frame. It is characterized by being sandwiched between the rail and the seat frame together with the seat skin covering the surface, and the rail is fixed to the seat frame by fixing means.

Accordingly, the protector can be securely fixed to the rail, and the seat cover can be securely assembled. Further, the protector can protect the rail.

According to a thirteenth aspect of the present invention, in the vehicle rear seat device according to the twelfth aspect, the front end of the rail is closed by a front wall of the protector.

Accordingly, leakage of grease from the front side of the rail is prevented by the front wall of the protector.

[0033]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a vehicle rear seat device according to the present invention will be described with reference to FIGS.

In the drawings, arrow FR indicates the forward direction of the vehicle body, and arrow UP indicates the upward direction of the vehicle body. As shown in FIG. 1, the rear seat cushion 12 of the rear seat 10 according to the first embodiment is disposed on a floor surface 14A at the rear of the vehicle, which is one step higher than a floor 14 having a step. The rear seat cushion 12 is vertically splittable into two parts, a rear seat cushion main body part 12A above the floor surface 14A and a rear seat cushion division part 12B below the floor surface 14A.

The rear seat cushion main body 12A is attached to the front end of the floor surface 14A via a rotary slide mechanism 18, and the rotary slide mechanism 18 jumps up about 90 degrees to the front of the vehicle and moves further downward. It can be moved to an upright state (the state shown by a dashed line in FIG. 1). At this time, the rear seat cushion divided portion 12B remains in the concave portion 16 formed on the floor surface 14A.

The rear seat cushion main body 12A
A rear seat back 20 is attached to the rear part of the rear part by a hinge part (not shown) so as to swing forward (in the direction of arrow A in FIG. 1).

Therefore, when the rear seat cushion 12 is raised while the rear seat back 20 is tilted forward, the rear seat cushion dividing portion 12B is
4A, a flat luggage compartment surface is provided to provide a flat luggage compartment surface, and the raised rear surface of the rear seat cushion 12 has no protrusion, so that a large luggage compartment space can be provided. .

When the rear seat cushion main body portion 12A of the rear seat cushion 12 is stored at the position indicated by the alternate long and short dash line in FIG. There is no state.

As shown in FIG. 2, the rotary slide mechanism 1
Numerals 8 are arranged along the vehicle front-rear direction at positions deviated from the normal seating positions at the lower front portions of the left and right rear seat cushion main portions 12A, for example, near the left and right ends.

As shown in FIG. 3, the rotary slide mechanism 1
Reference numeral 8 denotes a rail 22 attached to a lower portion of the rear seat cushion main body, and a hinge 24 attached to the floor 14.

The rail 22 is provided with a pair of front and rear mounting holes 23, and is fixed to the rear seat cushion main body along the vehicle front-rear direction by bolts (not shown) inserted into these mounting holes 23. . Also, hinge part 2
4 are pins 26 and rails 22 as connecting means along the vehicle width direction whose center is set on the same plane as the floor surface 14A.
Comprises an upper plate 28 as a rail guide plate slidably mounted, and a lower plate 30, and a tip end of the upper plate 28 and the lower plate 3
0 is rotatably connected to the tip of
The upper plate 28 can swing about the pin 26 with respect to the lower plate 30.

The lower plate 30 is fixed to the floor 14 by bolts 34 which are accommodated in through holes 32 formed in the upper plate 28.

Therefore, the rear seat cushion main body 12
A is a hinge portion 24, which can swing from the position shown by the solid line in FIG. 1 to the position shown by the two-dot chain line, but when raised by approximately 90 degrees, a pair of left and right groove portions 28 set in the upper plate 28 is set.
The rails 22 on the rear seat cushion main body side slide with respect to A and 28B (see FIG. 3). For this reason, the rear seat cushion main body 12A moves along the arrow B in FIG. 1 and moves to the position indicated by the dashed line.

In the first embodiment, as shown in FIG. 4, the front seat 42 is moved from the position indicated by the solid line to the position indicated by the alternate long and short dash line in front of the vehicle. The rear seat back 20 is moved forward by about 18 from the normal seated state shown by the solid line.
By rotating it by 0 degrees, a folded state shown by a dashed line is obtained.

In the folded state, the rear seat back 20 is supported from below by a projection 14C formed on the floor 14.

In the first embodiment, as shown in FIG. 2, a frame 36 in which a pipe material is bent in a U-shape is provided at the lower peripheral edge of the rear seat cushion main body 12A. It is configured to stand upright with the cushion body 12A. Further, between the leg portion 36A and the leg portion 36B of the frame 36, a webbing 38 is erected along the vehicle width direction, the rear seat cushion main body 12A is in an upright state, and the luggage moves forward. , The load is once received by the webbing 38 and the load is transmitted to the frame 36.

Further, a pad 40 as an elastic body is inserted between the leg 36A and the leg 36B of the frame 36 and the webbing 38, and the rear seat cushion main body 12A is in a state where the occupant can be seated. When the seat 15 is seated, the weight of the occupant deflects the pad 40 via the webbing 38, so that the webbing 38 can also be lowered, so that the flexure of the rear seat cushion 12 is not hindered. When the occupant is not seated, the pad 40 returns to its original position, and the lower surface of the rear seat cushion main body 12A is made flat.

Next, the operation of the first embodiment will be described.
In the vehicle rear seat device according to the first embodiment, the rear seat cushion main body 12A and the rear seat back 20 are caused to rotate forward by approximately 90 degrees by the rotating slide mechanism 18 set on the lower surface of the rear seat cushion main body 12A, and then raised. 1 can be further slid downward from the position indicated by the two-dot chain line to the upright position (the position indicated by the one-dot chain line in FIG. 1), so that the rear seat cushion main body 12A and the rear seat back 20 are located at lower positions, and luggage from the front seat and out of easily ing.

By storing the rear seat cushion main body 12A on the vertical wall surface 14B of the floor 14 without any gap, it is possible to prevent the load from falling into the gap.

Further, the rear seat cushion main body 12A and the rear seat back 2 are rotated by the rotary slide mechanism 18.
0 ensure wide flat baggage compartment contiguous because such a folded state shown by the chain line in FIG. 4, the lower surface 12C of the rear seat cushion main body portion 12A to the rear of the floor surface 14A
can do.

As described above, in the vehicle rear seat device according to the first embodiment, various seat layouts can be performed according to the seating state of the occupant, the number of occupants, and the like.

As shown in FIG. 5, the rear seat cushion main body 12A and the rear seat back 20 in the folded state are respectively located at positions near the lower end of the seat back 42A of the front seat 42 (specifically, as shown in FIG. 5).
Is a rear portion of the rear seat cushion body 12A,
Guide portions 76 and 77 for inserting the headrest stays are provided on the lower portion of the seat back 20) , and these guide portions 76 and 7 are provided.
Alternatively, the stay 78A of the headrest 78 may be inserted into the headrest 7.

In this case, when the luggage moves forward due to the impact from the front of the vehicle, the headrest 78 can function as a stopper for the luggage and can also store the headrest 78. Also, headrest 7
8 stay 78A to the rear seat cushion body 12A
And the rear seat back 20, the two parts can be simply locked.

Further, by forming the back surface 78B of the headrest 78, which does not contact the occupant's head, along the back surface of the seatback 42A of the front seat 42, the headrest 78 comes into close contact with the seatback 42A, and the headrest 78 is moved forward. Can be arranged to provide a wider luggage compartment
Can be secured.

When the force applied to the headrest 78 is received only by the guide portion 76, the headrest 78 is held and a bending moment and a reaction force are applied. In this regard, the guide portion 77 is supported by the guide portion 77, and the guide portion 77 is tangled with the bending moment only by the reaction force, so that the reinforcement can be reduced.

Next, a second embodiment of the vehicle rear seat device according to the present invention will be described with reference to FIGS.

Note that the same members as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 6, in the vehicle rear seat device of the second embodiment, the rear seat back 20 has a rotation center P1 on a bracket (not shown) fixed to the floor 14 in a normal sitting state, and (In the direction of arrow A in FIG. 6) and moves to the position shown by the three-dot chain line in FIG. Also, the rear seat cushion body 1
When the rear seat 2A is moved, the rear seat back 20 swings integrally with the rear seat cushion main body 12A by a mechanism having the rotation center P2 on the hinge bracket 44 fixed to the rear seat cushion main body 12A side, and is substantially forward of the vehicle. A standing state in which the front part moves downward from the position rotated by 90 degrees and fits on the front floor of the vehicle one step lower (the position indicated by the dashed line in FIG. 6), and a folded state rotated by approximately 180 degrees (the position indicated by the two-dot chain line in FIG. 6) To swing to

As shown in FIG. 7, the rear seat back 2
Reference numeral 0 denotes a rear seat back 20A on the rear side of the front passenger seat and a rear seat back 20B on the rear side of the driver seat. When it does, it does not interfere with the tunnel part of the floor.

In a normal sitting state, the rear seat back 20
The bearing portions of the lower pins 45 and 46 on the outer side of the vehicles A and 20B are set to the body 48. The lower pin 50 inside the vehicle of the rear seat back 20A is inserted into a bearing 52B of a floor hinge bracket 52 fixed to the floor 14.

As shown in FIG. 9, the floor hinge bracket 52 is fixed to the floor by bolts 53.
The bearing 52B of the floor hinge bracket 52 is a tubular projection.

As shown in FIG. 7, the rear seat back 2
The rotating shaft 0B inside the vehicle is formed of the bearing 52B, and the bearing 52B is inserted into the side of the rear seat back 20B.

As shown in FIG. 8, when raising the rear seat cushion main body, the knob 54 as a switching means set on the back surface 20C of the rear seat back 20A is turned counterclockwise (in the direction of arrow C). The upper and lower slots 5 of the guide 56 integrated with the knob 54
The lower pin 45 having the convex portion 64 fitted to the brackets 8 and 60 comes off the body 48, and the upper pin 66 having the convex portion 62 is inserted into the seat hinge bracket 44.

Further, since the lower pin 50 and the upper pin 68 disposed on the inner side of the rear seat bag 20B are connected to the upper pin 66 and the lower pin 45 by the link 70, respectively, the movement of the pins 66 and 45 on the outer side of the vehicle is performed. The lower pin 50 is disengaged from the bearing portion 52B, and the upper pin 68 is inserted into the seat hinge bracket 44. Therefore, by this series of operations, the center of rotation of the rear seat back 20 moves from P1 to P2 in FIG.

Next, the operation of the second embodiment will be described.
In the vehicle rear seat device of the second embodiment, the rear seat back 20 has a rotation center P1 on a bracket (not shown) fixed to the floor 14 in a normal sitting state.
With this rotation center P1, the rear seat back 2
0 can be swung forward (in the direction of arrow A in FIG. 6) and fall on the rear seat cushion main body 12A (the three-dot chain line in FIG. 6). Also, the rear seat back main body 12 on the driver's seat side with the rear seat back 20 in a normal sitting state.
A alone can be rotated by approximately 90 degrees, and further slid downward to a standing state, and only the rear seat cushion main body 12A on the passenger side is set to a similar standing state by approximately 180 degrees.
The seat layout can be changed to a forward-rotated state rotated by degrees.

Further, by operating the knob 54, the rear side of the passenger seat is operated.
Cut the center of rotation of the rear seat back 20A from P1 to P2.
Instead, it rotated approximately 180 degrees to the rear seat back 20A to the rear seat cushion main body portion 12A integrally with the front of the vehicle,
When moving to the folded state (the position indicated by the two-dot chain line in FIG. 6),
A wide and flat luggage space extending from the lower surface 12C of the rear seat cushion main body 12A to the rear of the floor surface 14A is confirmed.
Can be maintained.

Next, a third embodiment of the vehicle rear seat device according to the present invention will be described with reference to FIGS.

Note that the same members as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 10, in the rear seat device for a vehicle according to the third embodiment, when the rear seat cushion main body 12A is rotated to a folded state (position indicated by a dashed line) which is rotated substantially 180 degrees forward, a dashed line is indicated. The height is the same as that of the rear seat back 20 which has been moved forward as shown by.

In the rear seat device for a vehicle according to the third embodiment, the front seat 42 is moved from the position indicated by the solid line to the position indicated by the alternate long and short dash line in front of the vehicle, and the headrest stay provided below the seat back 42A of the front seat 42 is provided. The stay 78A of the headrest 78 can be inserted into the insertion guide 76, and the rear seat cushion main body 12A is folded in the rear headrest 78 (the position indicated by the dashed line in FIG. 10) fixed to the guide 76. The front end can be held. Note that the headrest stay insertion guide portion 76 may be provided on the seat cushion of the front seat 42.

As shown in FIG. 11, in the rotary slide mechanism 18 of the third embodiment, the rear portions of the pair of left and right grooves 28A and 28B set in the upper plate 28 are opposed to each other so as to have a narrow width. Each of the units 80 is provided. On the other hand, at the front end of the rail 22, a pin 82 as a connecting member longer than the width between the protrusions 80 penetrates in the vehicle width direction.
A and 22B are cut.

As shown in FIGS. 12A and 12B,
When the rail 22 is slid to the rear end of the upper plate 28, the flanges 22A and 22B of the rail 22 are disengaged from the upper plate 28, and only the pins 82 remain in the upper plate 28. It is designed to be rotatable with respect to.

Next, the operation of the third embodiment will be described.
In the vehicle rear seat device according to the third embodiment, as shown in FIG.
It is approximately 90 from the normal sitting state (the position indicated by the two-dot chain line in FIG. 13).
When the rail 22 is rotated to the position indicated by the dashed line in FIG. 13 and further moved upward to slide the rail 22 to the rear end of the upper plate 28, the position shown by the solid line in FIG. 13 is obtained. From this position, it is turned forward by approximately 90 degrees, and the position shown by the three-dot chain line in FIG. 13 (folded state) is brought forward from the lower surface 12C of the rear seat cushion main body 12A (the position shown by the one-dot chain line in FIG. 13). ), It is possible to secure a wide and flat luggage space that continues to the rear of the floor surface 14A via the rear surface 20C of the rear seat back 20 .

Further, the rear headrest 78 (the position indicated by the one-dot chain line in FIG. 10) fixed to the guide portion 76 holds the front end of the rear seat cushion main body 12A in the folded state, so that it is newly folded. There is no need to provide a means for supporting the seat cushion.

Next, a fourth embodiment of the vehicle rear seat device according to the present invention will be described with reference to FIGS.

Note that the same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 14, in the fourth embodiment, the cross-sectional shape of the rail 22 of the rotary slide mechanism 18 and the upper plate 28 as viewed from the longitudinal direction is in a normal seating state (in FIG. 18, a two-dot chain line). (In a state where the rear seat cushion main body portion 12A is not rotated), the opening is located downward and has a substantially U-shaped cross section.

As shown in FIG. 15, both side portions of the rail 22 are outwardly bulging guide portions 22C and 22D. Inside these guide portions 22C and 22D, the upper plate bulging outward similarly. 28 sliding parts 28C, 2
8D is slidably built in.

At both ends of the opening of the rail 22, bent portions 22E and 22F projecting upward are formed, and these bent portions 22E and 22F are connected to the upper plate 28.
Project above the lower ends 28E, 28F of the sliding portions 28C, 28D. In addition, normal sitting state (when not rotating)
Sliding surface 8 between rail 22 and upper plate 28 at
Grease 86 is applied to 4.

As shown in FIG. 16, the sliding surface 87 between the rail 22 and the upper plate 28 in a state where the rear seat cushion main body 12A is rotated by approximately 180 degrees (in a state where the rear seat cushion main body portion 12A indicated by a solid line in FIG. 18 is rotated approximately 180 degrees). Grease 86 is also applied.

As shown in FIG. 15, a mounting portion 22G bulging upward in a trapezoidal cross section is formed at a portion facing the opening of the rail 22. The rail 22 is fixed to the seat frame 100 by bolts 89 as fixing means inserted into the mounting holes 23 formed in the mounting portion 22G.

Guide portions 22 are provided on both outer surfaces of the rail 22.
Protectors 102 and 104 covering C and 22D are temporarily attached. The upper part 1 of these protectors 102 and 104
The guide portions 22A and 104A of the rail 22 are provided together with a seat skin 108 covering the surface of the cushion pad 106, which is integrally foamed with the seat frame 100.
C, 22D and the seat frame 100.

As shown in FIG. 17, the protector 10
Front ends of the guide portions 22C and 22D of the rail 22 are formed at front end portions of the protectors 102 and 104, respectively.
It is closed by 04B.

Next, the operation of the fourth embodiment will be described.
In the vehicle rear seat device of the fourth embodiment, the sliding surface 84 between the rail 22 and the upper plate 28 in a normal seated state (when not rotating) and the rail 22 and the upper plate 28 in a state of being rotated by approximately 180 degrees. Sliding surface 8 with
7 is coated with grease 86, the grease-applied portion is inside the guide portions 22C and 22D of the rail 22, and the bent portions 22E and 22F formed at both ends of the opening of the rail 22 are The upper plate 28 protrudes above the lower ends 28E and 28F of the sliding portions 28C and 28D. Therefore, the grease 86 does not easily leak out of the rail 22. Also, the guide portion 22 of the rail 22
Since the front ends of C and 22D are closed by front walls 102B and 104B of protectors 102 and 104, leakage of grease 86 from the front side of rail 22 can be prevented by front walls 102B and 104B of protectors 102 and 104. .

In the vehicle rear seat device according to the fourth embodiment, the upper end portions 102 of the protectors 102 and 104 are provided.
A and 104A are integrally foamed with the seat frame 100, respectively, together with a seat skin 108 covering the surface of the cushion pad 106, and guide portions 22C and 2C of the rail 22.
Since the protectors 102 and 104 are sandwiched between the 2D and the seat frame 100, the protectors 102 and 104 can be securely fixed to the rails 22 and the seat skin 108 can be securely assembled. Further, the rails 22 can be protected by the protectors 102 and 104.

In the above, the present invention has been described in detail with respect to each specific embodiment. However, the present invention is not limited to such an embodiment, and various other embodiments are within the scope of the present invention. It is clear to a person skilled in the art that forms are possible.

[0087]

According to the first aspect of the present invention, there is provided a vehicle rear seat device in which at least a seat cushion of a rear seat provided on a floor surface behind a stepped vehicle having a step is rotatable forward of the vehicle. The cushion is connected to the vehicle rear floor by a connection mechanism,
A normal sitting state, a standing state in which the front part of the seat cushion moves downward from a position rotated approximately 90 degrees to the front of the vehicle and fits on the vehicle front floor one step lower, and a position substantially 180 degrees toward the front of the vehicle;
Since it is connected movably in the folded state rotated by degrees, it has an excellent effect that it is possible to secure a flat and wide luggage compartment, and it is possible to perform various seat layouts according to the occupant's seating situation. In addition, there is an excellent effect that luggage can be easily taken in and out from the front seat side in the standing state.

According to a second aspect of the present invention, in the vehicle rear seat device according to the first aspect of the present invention, the connecting mechanism is a rotary slide mechanism provided on the vehicle floor and the seat cushion, and is provided on the seat cushion side. 2. The effect according to claim 1, comprising a rail to be mounted, a lower plate and a rail guide plate mounted on a vehicle floor side, and a connecting means for rotatably connecting a front end of the rail guide plate and a front end of the lower plate. In addition to this, there is an excellent effect that various sheet layouts can be realized with a simple configuration.

According to a third aspect of the present invention, in the vehicle rear seat device according to the first or second aspect, a state in which a seat back of the rear seat is hinged to a seat cushion side and is forwardly lowered on the seat cushion is provided. Since the seat cushion can be changed to a standing state and a folded state together with the seat cushion, there is an excellent effect that a more versatile seat layout is possible in addition to the effects described in claim 1 or 2.

According to a fourth aspect of the present invention, in the vehicle rear seat apparatus according to the first or second aspect, the seat back of the rear seat is hinged to the body side, and the seat back is in a standing state and a folded state of the seat cushion. Since it can be changed to a state in which it is moved forward on the floor behind the vehicle, in addition to the effect described in claim 1 or 2, there is an excellent effect that a more versatile seat layout is possible.

According to a fifth aspect of the present invention, in the vehicle rear seat device according to the first or second aspect, the seat back of the rear seat is selectively hinged to the seat cushion side and the body by switching means. In addition to the effects described in claim 1 or claim 2, there is an excellent effect that a more versatile sheet layout is possible.

According to a sixth aspect of the present invention, in the vehicle rear seat apparatus according to the fifth aspect, the seat back of the rear seat is divided into two parts, left and right, and can be independently rotated by switching means. In addition to the effects described,
Further, there is an excellent effect that various sheet layouts can be performed.

According to a seventh aspect of the present invention, in the vehicle rear seat device according to the second aspect, the connecting mechanism is a rotary slide mechanism, and the rear end of the rail guide plate and the front end of the rail are rotatably connected. Therefore, in addition to the effect described in claim 2, there is an excellent effect that a more versatile seat layout is possible.

According to an eighth aspect of the present invention, in the vehicle rear seat device according to the seventh aspect, a guide portion for inserting a headrest stay is provided below the front seat,
Since one end of the seat cushion in the folded state is supported by the headrest inserted into the guide portion, an excellent effect that it is not necessary to provide a means for supporting the newly folded seat cushion in addition to the effect of claim 7. Having.

[0095] The present invention of claim 9, wherein, in the vehicle rear seat device according to claim 3, the headrest stay insertion guide portion is provided on the rear seat cushion rear portion and the rear seat back under portion, and a rear seat cushion and the rear seatback Since the headrest can be inserted into both guide portions in a folded state in which both are rotated substantially 180 degrees in front of the vehicle, in addition to the effect of claim 3, the holding strength of the headrest can be increased and the rear seat cushion in the folded state can be provided. It has an excellent effect that it also has a simple lock function with the rear seat back.

[0096] The present invention of claim 10, wherein, in the vehicle rear seat device according to claim 9, since the shape along the rear surface of the headrest on the back of the front seat back,
In addition to the effect described in claim 9, there is an excellent effect that a wider luggage compartment can be obtained.

According to an eleventh aspect of the present invention, in the vehicle rear seat device according to the second aspect, the rail and the rail guide plate of the rotary slide mechanism are substantially co-sectioned such that the opening is located downward in a normal seated state. 3. The effect of claim 2, wherein the rail guide plate is slidably provided with bent portions projecting upward from the lower end of the sliding portion of the rail guide plate at both ends of the opening of the rail in which the rail guide plate is slidably provided. In addition, it has an excellent effect that grease hardly leaks out of the rail.

According to a twelfth aspect of the present invention, in the vehicle rear seat device according to the eleventh aspect, protectors are temporarily attached to both outer surfaces of the rail, and the protector is provided with a cushion pad surface integrally foamed with a seat frame. Since the rail is fixed to the seat frame by the fixing means together with the seat skin to be covered and the rail is fixed to the seat frame by the fixing means, the protector can be securely fixed to the rail in addition to the effect of claim 11, and the seat skin is also reduced. It has an excellent effect that it can be securely assembled. Further, there is an excellent effect that the rail can be protected by the protector.

According to a thirteenth aspect of the present invention, in the vehicle rear seat device according to the twelfth aspect, the front end of the rail is closed by a front wall of the protector.
In addition to the effect described in item 2, there is an excellent effect that leakage of grease from the front side of the rail can be prevented.

[Brief description of the drawings]

FIG. 1 is a schematic side view showing a vehicle rear seat device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a seat cushion of the rear seat device for a vehicle according to the first embodiment of the present invention, which is partially obliquely viewed from a diagonally front side of the vehicle.

FIG. 3 is a perspective view showing the rotary slide mechanism of the vehicle rear seat device according to the first embodiment of the present invention, as viewed obliquely from the front of the vehicle.

FIG. 4 is a schematic side view for explaining the operation of the vehicle rear seat device according to the first embodiment of the present invention.

FIG. 5 is a schematic side view showing a vehicle rear seat device according to a modification of the first embodiment of the present invention.

FIG. 6 is a schematic side view showing a vehicle rear seat device according to a second embodiment of the present invention.

FIG. 7 is a schematic rear view showing a seat back of a vehicle rear seat device according to a second embodiment of the present invention.

FIG. 8 is a schematic rear view for explaining the operation of the vehicle rear seat device according to the second embodiment of the present invention.

FIG. 9 is a perspective view showing a floor hinge bracket of a vehicle rear seat device according to a second embodiment of the present invention.

FIG. 10 is a schematic side view showing a vehicle rear seat device according to a third embodiment of the present invention.

FIG. 11 is an exploded perspective view showing a part of a rotary slide mechanism of a vehicle rear seat device according to a third embodiment of the present invention, as viewed obliquely from the front of the vehicle.

FIG. 12A is a plan view showing a part of a rotary slide mechanism of a vehicle rear seat device according to a third embodiment of the present invention, and FIG. 12B is a plan view of a vehicle according to a third embodiment of the present invention; It is a side view which shows some rotation slide mechanisms of a rear seat apparatus.

FIG. 13 is an operation explanatory view of a vehicle rear seat device according to a third embodiment of the present invention.

FIG. 14 is a perspective view showing a rotary slide mechanism of a rear seat device for a vehicle according to a fourth embodiment of the present invention, as viewed obliquely from the front of the vehicle.

FIG. 15 is a cross-sectional view of a rotary slide mechanism of a vehicle rear seat device according to a fourth embodiment of the present invention, as viewed from the front of the vehicle.

FIG. 16 is a cross-sectional view of a rotary slide mechanism of a vehicle rear seat device according to a fourth embodiment of the present invention, as viewed from the front of the vehicle, showing a state where the rotary slide mechanism is rotated substantially 180 degrees.

FIG. 17 is a sectional view taken along line 17-17 of FIG. 15;

FIG. 18 is a schematic side view for explaining the operation of the vehicle rear seat device according to the fourth embodiment of the present invention.

FIG. 19 is a schematic side view showing a seated state of a vehicle rear seat device according to a conventional embodiment.

FIG. 20 is a schematic side view showing a state in which a rear seat cushion of a vehicle rear seat device according to a conventional embodiment is raised and a rear seat back is tilted forward.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Rear seat 12 Rear seat cushion 14 Floor 18 Rotating slide mechanism 20 Rear seat back 20A Rear seat back 20B Rear seat back behind driver's seat 22 Rail 22E Folded part 22F Folded part 24 Hinge part 26 Pin (connection means) 28 Upper plate (Rail guide plate) 30 Lower plate 44 Hinge bracket 45 Lower pin 46 Lower pin 48 Body 50 Lower pin 52 Floor hinge bracket 54 Knob (switching means) 56 Guide 66 Upper pin 70 Link 76 Guide part for inserting headrest stay 77 Guide part for inserting headrest stay 78 Rear headrest 80 Protrusion 82 Pin (connecting member) 84 Sliding surface between rail and upper plate in normal seating state 86 Grease 8 Sliding surface 89 volts between the rails and the upper plate in a state of being rotated about 180 degrees (fixing means) 100 seat frame 102 protectors 102B front wall 104 protector 104B front wall 106 cushion pad 108 seat upholstery

Claims (13)

(57) [Claims] 1. A rear seat device for a vehicle, wherein at least a seat cushion of a rear seat disposed on a floor surface behind a vehicle having a step and having a height higher than that of the vehicle is rotatable to the front of the vehicle. A normal sitting state, an upright state in which the front portion of the seat cushion moves downward from a position rotated approximately 90 degrees to the front of the vehicle and the front portion of the seat cushion fits on the vehicle front floor one step lower, and A rear seat apparatus for a vehicle, wherein the rear seat apparatus is movably connected to a folded state rotated by degrees. 2. The connecting mechanism is a rotary slide mechanism provided on a vehicle floor and a seat cushion, and includes a rail mounted on the seat cushion side, a lower plate and a rail guide plate mounted on the vehicle floor side, and the rail. 2. The vehicle rear seat device according to claim 1, further comprising a connecting means for rotatably connecting a front end of the guide plate and a front end of the lower plate. 3. The seat back of the rear seat is hinged to the seat cushion side, and can be changed between a state in which the seat back is tilted forward on the seat cushion and the upright state and the folded state together with the seat cushion. The vehicle rear seat device according to claim 1 or 2. 4. The seat back of the rear seat is hinged to a body side and can be changed to a state in which the seat cushion is tilted forward on a floor behind a vehicle in the upright state and the folded state of the seat cushion. The vehicle rear seat device according to claim 1 or 2, wherein 5. The vehicle rear seat device according to claim 1, wherein the seat back of the rear seat is selectively hinged to the seat cushion side and the body by switching means. 6. The rear seat apparatus for a vehicle according to claim 5, wherein a seat back of the rear seat is divided into right and left parts, and each of the two can be independently rotated by the switching means. 7. The connection mechanism according to claim 2, wherein the connection mechanism is a rotary slide mechanism, and includes a connection member that rotatably connects a rear end of the rail guide plate and a front end of the rail. Rear seat device for vehicles. 8. A headrest stay insertion guide portion is provided at a lower portion of the front seat, and one end of the seat cushion in a folded state is supported by the headrest inserted into the guide portion. Rear seat device for vehicles. Wherein said rear seat cushion rear portion and the rear seat back lower part is provided with the headrest stay insertion guide portion, the rear seat cushion and the rear seatback and headrest and at both folded state rotated about 180 degrees in front of the vehicle both 4. The vehicle rear seat device according to claim 3, wherein the vehicle rear seat device can be inserted into the guide portion. 10. A vehicle rear seat device according to claim 9, characterized in that it has a shape along the rear surface of the headrest on the back of the front seat back. 11. The rail of the rotary slide mechanism and the rail guide plate have a substantially U-shaped cross section in which an opening is located downward in a normal seating state, and the rail guide plate is slidably incorporated. 3. The rear seat device for a vehicle according to claim 2, wherein the rail has a bent portion projecting upward from a lower end of a sliding portion of the rail guide plate at both ends of the opening of the rail. 12. A protector is temporarily attached to both outer surfaces of the rail, and the protector is sandwiched between the rail and the seat frame together with a seat skin covering a cushion pad surface integrally foamed with a seat frame. 12. The vehicle rear seat device according to claim 11, wherein the rail is fixed to the seat frame by fixing means. 13. The front end of the rail is closed by a front wall of the protector.
3. The vehicle rear seat device according to item 2.