JPH092120A - Seat device for vehicle - Google Patents

Abstract

PURPOSE: To increase the space of a baggage compartment largely as well as improving ride comfortableness on a seat by separately-storing the seat compactly. CONSTITUTION: The seat cushion 3 of a seat 2 is constituted of a cushion body 31 and a cushion frame 32 having a recessed part 32a for storing it. The cushion frame 32 is constructed so that its position may be changed between a usable position on an upper floor 12 and a storage position on a lower floor 11. The cushion body 31 is pivoted to the cushion frame 32, and the cushion body 31 is constructed so as to oscillate between a storage position in the recessed part 32a for storage and a rising position of its front end. A seat back 4 has a suitable size to be stored in the recessed part 32a for storage, and is pivoted to the seat cushion frame 32, thus oscillating it the rising position and the storage position in the recessed part 32a for storage.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a retractable seat on the rear side of a passenger compartment and stores the seat on the front side of the passenger compartment in a commercial vehicle having a luggage compartment on the rear side of the passenger compartment. Thus, the present invention relates to a seat device capable of enlarging the luggage compartment and increasing the luggage load.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4, a seat device of this type includes a seat S including a seat cushion S1 and a seat back S2 swingably supported by the seat cushion S1. A front leg R1 is provided on the front side of the cushion S1, and a tip end side of the front leg R1 is pivotally attached to a rear side of a lower floor F1 on which a driver's seat A is arranged, and the seat cushion S1 is provided. The lower rear side of the upper floor F2, which is continuously raised at the rear side of the lower floor F1 when the seat S is in use, is raised.
A rear leg R2 is provided that abuts on the top.

When the seat S is used, the front leg R1 is attached to the lower floor F as shown by the phantom line in FIG.
1 and the rear leg R4 is brought into contact with the upper floor F2 to make the seat cushion S1 horizontal, and the seat back S2 is erected upward with respect to the seat cushion S1. Then, the seat back S2 is seated on the seat cushion S1 while the back is put on the seat back S2.

Further, in order to expand the luggage compartment space behind the passenger compartment when loading luggage, when storing the seat S,
As shown by the solid line in the figure, the seat back S2 is folded over the seat cushion S1, and in this state, the front leg R
1 is laid down on the lower floor F1, and the seat cushion S1 and the seat back S2 are both stored on the lower floor F1 in a standing state on the rear side of the driver's seat A. In the figure, F3 is arranged flush with the upper floor F2 on the upper side of the front leg R1 which is laid down on the rear side of the lower floor F1 when the seat S is stored, and the cargo space is enlarged. It is a sub floor to do.

However, in the above seat device, when the seat S is stored, both the seat cushion S1 and the seat back S2 are stored on the lower floor F1 in a standing state on the rear side of the driver's seat A. No luggage can be loaded in the space from the rear side of the driver's seat A to the standing outer surface of the seat cushion S1, and the standing storage portions of the seat cushion S1 and the seat back S2 become dead spaces when loading luggage. However, the luggage compartment space cannot be greatly expanded.

In order to expand the luggage compartment space as much as possible, Japanese Utility Model Laid-Open No. 3-15225 has been proposed. The content of the proposal is, as shown in FIGS.
A front leg R3 is swingably disposed between a substantially central upper side of a lower floor F1 provided in a concave shape on the rear side of the seat and a front side of the seat cushion S1.
A rear leg R4, which is brought into contact with the upper floor F2 when the seat S is used, is provided on the lower side of the seat cushion S1.

When the sheet S is used, as shown in FIG.
As described above, by raising the front leg R3 on the lower floor F1 and abutting the rear leg R4 on the upper floor F2, the seat cushion S1 extends horizontally over the lower and upper floors F1, F2. The seat back S2 is erected upward with respect to the seat cushion S1 around the hinge H in this state.

In order to expand the luggage compartment space behind the passenger compartment, the seat back S2 is hinged to the hinge H as shown in FIG.
The seat cushion S1 and the seat back S2 are superposed on each other by folding the seat cushion S1 around the seat cushion S1 and folding the front leg R3 on the lower floor F1 in this state. It stores it.

[0009]

However, in the above seat apparatus, when the seat cushion S1 and the seat back S2 are stored in the lower floor F1 in an overlapping state, the upper surface of the seat back S2 is the upper floor F2.
If it is stored so as to be flush with 2, the upper floor F
The luggage can be loaded from 2 to the upper surface of the seat back S2, and the luggage compartment space can be greatly expanded. However, the height of the lower floor F1 from the ground is fixed to a certain height. Further, since the height of the upper floor F2 with respect to the lower floor F1 also needs to be constant, in order to make the upper surface of the seat back S2 flush with the upper floor F2, the height is constant with respect to the upper floor F2. Each of the seat cushion S1 and the seat back S2 needs to be formed thin so that the seat cushion S1 and the seat back S2 can be stored in the lower floor F1.
If the seat cushion S1 and the seat back S2 are formed to have a large thickness in order to improve the cushioning property, the seat cushion S1 and the seat back S2 have a large thickness when the seat S is stored. The upper surface of the back S2 cannot be flush with the upper floor F2.

An object of the present invention is to provide a vehicle in which the seat can be separated and stored compactly and the luggage compartment space can be greatly enlarged when the luggage compartment space is enlarged while the ride comfort on the seat is improved. To provide a seat device.

[0011]

In order to achieve the above-mentioned object, the present invention has an upper floor 12 extending one step higher than the lower floor 11 at the end portion of the lower floor 11,
In a vehicle seat device in which a seat 2 composed of a seat cushion 3 and a seat back 4 is disposed on the upper floor 12, the seat cushion 3 is provided with a cushion main body 31 and an accommodating recess 32a of the cushion main body 31. And a cushion frame 32 provided with the cushion frame 32.
The position can be changed between the use position on 2 and the storage position on the lower floor 11, and the front end of the cushion body 31 is pivotally attached to the front end of the cushion frame 32.
While allowing the cushion body 31 to swing between a position for accommodating the cushion main body 31 in the accommodating recess 32a and a position for standing up at the front end of the cushion frame 32, the seat back 4 is stored in the accommodating recess 32a. As a possible size, the lower end of the seat back 4 is pivotally attached to the rear end of the seat cushion frame 32, and the seat back 4 is erected with respect to the seat cushion 3 and the accommodation recess 32a. It was able to swing to the position where it was stored in.

[0012]

In the above seat device, when the seat 2 is stored, the seat 2 is expanded in order to expand the luggage space.
The seat cushion 3 and the seat back 4 constituting the whole of the lower floor 1 from the position where the upper floor 12 is used.
1 to the retracted position, and the cushion main body 31 of the seat cushion 3 is swung forward around the front end pivotal attachment portion of the cushion frame 32, and inside the accommodation recess 32a provided in the cushion frame 32. Of the cushion frame 32, the cushion main body 31 is vertically erected at the front end erected position of the cushion frame 32, and then the seat back 4 is swung forward to lift the seat back 4. The cushion body 31 is stored in the accommodating recess 32a from which it is taken out.

When the seat 2 is stored as described above, the cushion body 31 and the seat back 4 are stored.
The seats 2 can be stored compactly, and the luggage compartment space can be greatly expanded, while making each of them thicker to enhance cushioning properties and improve the riding comfort of the seats 2.

That is, when the seat 2 is stowed, the seat cushion 3 and the seat back 4 are positioned on the lower floor 11 side rather than being stowed on the lower floor 11 side in a state where they are superposed on each other. Housing recess 32 provided in the cushion frame 32 of the seat cushion 3
The cushion main body 31 is taken out from a, and the cushion main body 31 is stored in an upright position at the front end standing position of the cushion frame 32. Further, the seat back 4 has the accommodation recess 32 from which the cushion main body 31 is taken out.
Therefore, even if the seat back 4 is formed such that the upper surface side thereof is flush with the upper floor 12 when the seat back 4 is stored in the cushion frame 32, the seat back 4 is cushioned. Housing recess 32 of the cushion frame 32 from which the main body 31 is taken out
Since it is stored in a, compared with the case where the seat cushion 3 and the seat back 4 are stored in a state of being overlapped with each other, the thickness of the seat back 4 can be increased and the cushioning property can be improved. it can. Further, since the cushion main body 31 is taken out from the cushion frame 32 and is separated and stored in the seat back 4 at the front end standing position, the cushion main body 31 is stored without consideration of the storage of the seat back 4. The thickness of 31 can be increased, and the cushioning property of the cushion body 31 can be improved.

Further, on the front side of the lower floor 11, since only the cushion main body 31 taken out from the accommodation recess 32a of the cushion frame 32 is separated and stored in an upright state, the seat cushion 3 and the seat back are separated. 4 and 4 are stored upright on the front side of the lower floor 11, the dead space on the front side of the lower floor 11 can be made smaller, and the seat back 4 can be made thicker. Nevertheless, since it can be stored flush with the upper floor 12 and the luggage can be loaded from the upper floor 12 to the upper surface side of the seat back 4, the luggage compartment space of the vehicle can be greatly expanded. Of.

When the seat 2 is used, contrary to the above-mentioned case, the cushion body 31 of the seat cushion 3 is accommodated in the recess 32 of the cushion frame 32.
a and the cushion body 31 and the cushion frame 32 as a whole are moved from the storage position of the lower floor 11 to the use position on the upper floor 12 so that the seat back 4 stands up with respect to the seat cushion 3. The seat 2 can be easily set to the use position by swinging the seat 2.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the seat apparatus shown in FIGS. 1 to 3, a raised upper floor 12 is provided on the rear side of a lower floor 11, a driver's seat 1 is arranged on the lower floor 11, and The rear seat 2 is disposed so as to be retractable on the rear side, and the rear seat 2 includes a seat cushion 3
And a seat back 4 which can be raised and lowered with respect to the seat cushion 3.

Then, the seat cushion 3 is provided with a cushion main body 31 and an accommodating recess 3 of the cushion main body 31.
Formed from a cushion frame 32 with 2a,
The cushion frame 32 can be moved between the use position on the upper floor 12 and the storage position on the lower floor 11. At this time, in the embodiment of each drawing, a pair of left and right support legs 34, 34 are pivotally supported via brackets 33, 33 on both outer sides in the vehicle width direction on the front side of the lower surface of the cushion frame 32. Each support leg 3
The tip side of 4 is on the lower floor 11 and the upper floor 12
By swingably supporting the supporting legs 34 at the front position of the upper floor 12 through the hinge members 35, 35, and swinging the supporting legs 34 between the upper standing position of the upper floor 12 and the lying position on the lower floor 11. The cushion frame 32 can be repositioned between the use position on the upper floor 12 and the storage position on the lower floor 11, while it is provided on the upper floor 12 at the central portion in the vehicle width direction on the rear side of the lower surface of the cushion frame 32. A pair of left and right lock bodies 36, 36 that can be engaged and disengaged are attached to the striker 13 that is attached.

When changing the position of the cushion frame 32, a rail or the like is installed between the upper floor 12 and the lower floor 11 without using the support legs 34, and the cushion frame 32 is arranged along the rail. The position of the cushion frame 32 may be changed between the upper floor 12 and the lower floor 11 by moving.

The cushion body 31 has its front end pivotally attached to the front end of the cushion frame 32 so that the cushion body 31 is accommodated in the accommodation recess 32a and the cushion frame 32. The front end of the vehicle can be swung over a position upright behind the driver's seat 1. At this time, in FIG.
The cushion main body 31 is formed of a pad 31a whose surface is covered with a cover and a rectangular frame member 31b attached to the pad 31a. The hinge 31
c and 31c are attached, and these hinges 31c are attached to the front end side of the cushion frame 32.
By fixing the cushion main body 31 through the hinges 31c, the entire cushion main body 31 is accommodated in the accommodation recess 32a provided in the cushion frame 32 and at the front end side of the cushion frame 32 in the driver seat. 1 It is possible to swing over a range with the standing position behind it.

Further, a stopper 37 is provided on the lower surface side of the cushion frame 32 on the front side of the support leg 34, and when the entire seat 1 is moved to the use position on the upper floor 12, the stopper 37 is provided. By bringing the stopper 37 into contact with the support leg 34, the seat cushion 31 can be held substantially horizontally.

Further, a projection 32c having a substantially U-shape and extending in the vehicle width direction is provided on the front side in the accommodation recess 32a of the cushion frame 32, and the pad 3 is provided.
An engaging portion 31d capable of engaging with the protrusion 32c on a part of 1a
When the cushion body 31 is housed in the cushion frame 32, the engaging portion 31d is engaged with the protrusion 32c. In such a case, the entire cushion body 31 is The frame 32 can be satisfactorily accommodated inside the frame 32 without play.

Further, the seat back 4 is formed by a pad 41 whose surface is covered with a cover and a box-shaped frame member 42 to which the pad 41 is attached, and the pad 41 and the frame member 42 are entirely formed. The cushion frame 32 is formed in such a size that it can be stored in the accommodating recess 32a of the cushion frame 32, and both lower ends of the frame member 42 are pivotally attached to hinges 38 projecting to the left and right sides at the rear end side of the cushion frame 32. The seat back 4 as a whole can be swung about the hinge 38 between a position where the seat back 4 stands upright with respect to the cushion frame 32 and a position where the cushion frame 32 is stored in the accommodation recess 32a. Of.

Further, the bottom wall 42a of the frame member 42 of the seat back 4 is formed with a plurality of uneven portions 42b extending in the vehicle width direction, and the unevenness 42b is provided to increase the strength of the bottom wall 42a. I am trying to strengthen it.
In this case, the entire seat back 4 is collapsed around the hinge 38 and stored in the accommodation recess 32a of the cushion frame 32, and the bottom wall 42a of the frame member 42 is flush with the upper floor 12. No
When a load is loaded on the bottom wall 42a, the load of the load is received by the bottom wall 42a reinforced by the uneven portion 42b, so that the bottom wall 42a is securely deformed by the load of the load. Can be prevented.

Next, the operation of the above seat device will be described. First, when the seat 2 is used, as shown by the solid line in FIG. 1, the cushion body 31 of the seat cushion 3 is inserted into the accommodation recess 3 of the cushion frame 32.
2a, the supporting legs 34 are swung upward around the hinge member 35 on the lower floor 11 so that the supporting legs 34 come into contact with the stopper 37 provided on the cushion frame 32. The entire seat 2 is easily brought into a use position on the upper floor 12 by contacting the lock bodies 36 provided on the rear end side of the cushion frame 32 with the striker 13 on the upper floor 12. Can be set and locked.

In order to expand the luggage compartment space of the vehicle, when the seat 2 is stored, the striker 1 of each lock body 36 is shown from the solid line state in FIG. 1 to a virtual line.
3, the support legs 34 are swung to the lower floor 11 side around the hinge member 35, and the entire seat cushion 4 and seat back 4 are moved from the use position on the upper floor 12 to the lower floor. 11 Move up. Then, as shown in FIG. 2, the entire cushion body 31 is swung forward around a hinge 31c fixed between the cushion body 31 and the front end side of the cushion frame 32, The entire cushion main body 31 is taken out from a storage position inside a storage recess 32a provided in the cushion frame 32, and is vertically erected on the front end side of the cushion frame 32 behind the driver's seat 1. Thereafter, the entire seat back 4 shown by the phantom line in FIG. 2 is swung forward, and the cushion body 31 is taken out of the entire seat back 4 as shown by the solid line in the figure. It is stored in the accommodation recess 32a.

When the seat 2 is stored as described above, the seat cushion 3 and the seat back 4 are not stored on the lower floor 11 side in a state where they are superposed on each other, but are positioned on the lower floor 11 side. The cushion main body 31 is taken out from the accommodating recess 32a provided in the cushion frame 32 of the seat cushion 3 that is stored, and the cushion main body 31 is stored upright behind the driver seat 1 on the front end side of the cushion frame 32. The seat back 4 is stored in the accommodating recess 32a from which the cushion main body 31 is taken out. Therefore, when the pad 41 of the seat back 4 is stored in the cushion frame 32, the frame member 42 of the pad 41 is stored. Bottom wall 42a
Even if the seat back 4 is formed so as to be flush with the upper floor 12, the entire seat back 4 has a recess 32 for accommodating the cushion frame 32 in which the cushion body 31 is taken out.
Since it is stored in a, the thickness of the pad 41 in the seat back 4 can be made larger than that in the case where the seat cushion 3 and the seat back 4 are stored in a superposed state. The cushioning property can be enhanced.

Further, since the cushion body 31 is taken out from the accommodation recess 32a of the cushion frame 32, and is separated and stored from the seat back 4 in a standing state behind the driver's seat 1 on the front end side thereof. , The cushion body 3 without considering the storage of the seat back 4.
It is possible to increase the thickness of the pad 31a forming 1 and increase its cushioning property.

Further, behind the driver's seat 1 on the front side of the lower floor 11, only the cushion main body 31 taken out from the accommodation recess 32a of the cushion frame 32 is separated and stored in an upright state. Both the seat cushion 3 and the seat back 4 are provided with the lower floor 11
The dead space behind the driver's seat 1 can be made smaller on the front side of the lower floor 11 compared with the case where the pad 41 of the seat back 4 is made thicker than in the case where the pad 41 is stowed on the front side. Nevertheless, the entire seat back 4 can be stored such that the bottom wall 42a of the frame member 42 is flush with the upper floor 12, and the seat back 4 extends from the upper floor 12 to the bottom wall 42a of the frame member 42. Since luggage can be loaded, the luggage compartment space of the vehicle can be greatly expanded.

[0030]

As described above, in the seat device of the present invention, the seat cushion 3 of the seat 2 is formed of the cushion body 31 and the cushion frame 32 having the accommodation recess 32a of the cushion body 31. The cushion frame 32 can be moved between the use position on the upper floor 12 and the storage position on the lower floor 11, and the front end of the cushion body 31 is pivotally attached to the front end of the cushion frame 32. The cushion main body 31 is swingable between a position for accommodating the cushion main body 31 in the accommodating recess 32a and a position for standing up at the front end portion of the cushion frame 32, while the seat back 4 of the seat 2 is accommodated in the accommodating recess 32a. The lower end portion of the seat back 4 is placed behind the seat cushion frame 32 so as to be stored inside. Pivoted in part, the seat back 4
Is swingable between a position in which it stands up with respect to the seat cushion 3 and a position in which it is stored in the accommodation recess 32a. Therefore, when the seat 2 is used, the cushion body 31 of the seat cushion 3 is moved to the cushion frame. 32
Of the cushion main body 31 and the cushion frame 32 are moved from the storage position of the lower floor 11 to the use position on the upper floor 12, and the seat back is seated with respect to the seat cushion 3. The seat 2 can be easily set in the use position by swinging the seat 4 to the upright position.

In order to expand the luggage space of the vehicle, when the seat 2 is stored, the entire seat cushion 3 and seat back 4 are moved from the use position of the upper floor 12 to the storage position of the lower floor 11. Let
The cushion main body 31 of the seat cushion 3 is swung forward around the front end pivot portion of the cushion frame 32, and is taken out from the storage position inside the storage recess 32a provided in the cushion frame 32. The cushion main body 3 is provided at the front end standing position of the cushion frame 32.
1 is erected vertically, the seat back 4 is swung forward, and the seat back 4 is stored in the accommodation recess 32a from which the cushion body 31 is taken out. Each of the main body 31 and the seat back 4 is made thick to enhance the cushioning property and the ride comfort on the seat 2 can be improved, while the seat 2 can be stored compactly and the luggage space can be greatly expanded. .

[Brief description of drawings]

FIG. 1 is a side view showing a usage state of a seat device according to the present invention.

FIG. 2 is a side view showing an enlarged state of a vehicle interior space.

FIG. 3 is an exploded perspective view showing the overall structure of the seat device.

FIG. 4 is a side view showing a conventional example.

FIG. 5 is a side view showing a use state of a seat in another conventional example.

FIG. 6 is a side view showing a stored state of a seat according to the conventional example.

[Explanation of symbols]

 11 …… Lower floor 12 …… Upper floor 2 ………… Seat 3 ………… Seat cushion 31 …… Cushion body 32 …… Cushion frame 32a… Accommodation recess 4 ………… Seat back

Claims (1)

[Claims] 1. An upper floor (12) at the end of the lower floor (11), which is one step higher than the lower floor (11).
And a seat (2) consisting of a seat cushion (3) and a seat back (4) is provided on the upper floor (12), and the seat cushion (3) is provided. The cushion body (3
1) and the accommodation recess (32) of the cushion body (31)
and a cushion frame (32) provided with a) so that the cushion frame (32) can be relocated between a use position on the upper floor (12) and a storage position on the lower floor (11). The front end portion of the cushion body (31) is provided with the cushion frame (32).
Pivotally attached to the front end of the cushion frame (31) so as to be swingable between a position for accommodating the cushion body (31) in the accommodating recess (32a) and a position for standing up at the front end of the cushion frame (32). On the other hand, the seat back (4) is sized to be stored in the accommodation recess (32a), and the lower end of the seat back (4) is pivotally attached to the rear end of the seat cushion frame (32). A seat device for a vehicle, wherein the seat back (4) is swingable between a position in which the seat back (4) stands up with respect to the seat cushion (3) and a position in which the seat back (4) is stored in the accommodation recess (32a).