JPH06219196A - Seat device for car - Google Patents

Abstract

PURPOSE:To enlarge a car room space by sufficient and simple operations without deepening the depth of a recessed part in housing a seat device in the recessed part of a car body floor. CONSTITUTION:A seat back 2 and a seat cushion 1 are housed respectively in the front and rear parts of a recessed part 6 formed on a car body floor 5, with their rear sides turned upward. The seat back is supported by a pair of right and left long legs 11. One end of each long leg is fixed to the lower part on the side face of the seat back, and the other end is connected to the rear part of the recessed part so that it can freely rotate. Between the lower end of the seat back and the bottom face of the recessed part, a space 12 for housing the seat cushion is formed. The seat cushion is linked to the long legs respectively through link members 13. One end of each link member is connected to the rear end on the side face of the seat cushion, and the other end is connected to the intermediate part of the long leg so that both the ends can freely rotate. Further, by providing the link members along the long legs, the seat cushion is provided so that it is housed in the space 12 with its both side faces fitted to those of the seat back. A front leg 18 is attached to the seat cushion so that it can be freely folded.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat device mounted on an automobile, and more particularly to a seat device which can be stored when not in use.

[0002]

2. Description of the Related Art Conventionally, as a retractable seat device for a van-type vehicle, a wagon-type automobile or the like, a retractable seat device capable of accommodating the rear seat to ensure a wide luggage space when not in use is known. Various proposals have been made publicly known. For example, in Japanese Utility Model Laid-Open No. 1-81135, a lower end of a seat back is tiltably connected to a rear end of a seat cushion to a full flat state, and one side of the seat cushion is rotatably connected to a vehicle compartment side wall. Then, the seat cushion and the seat back are stored along the side wall of the passenger compartment. Also, the actual Kaihei 1-10
In 1934, a recess is formed in a vehicle body floor, a panel member covering the recess is rotatably attached to a rear edge of the recess of the vehicle body floor, and a seat cushion and a seat cushion can be folded on the back surface of the panel member. There is disclosed a seat provided with a seat back connected to the seat cushion, the seat cushion and the seat back being folded and stored in the recess, and the recess being covered with a panel member.

[0003]

However, of the above-exemplified seat devices, in the former one, the seat cushion and the seat back project from the side wall of the passenger compartment to the inside of the passenger compartment even when the seat cushion is in the retracted state. However, the luggage compartment space cannot be expanded sufficiently. Further, in the latter case, since the recess of the vehicle body floor folds and stores the seat cushion and the seat back, the depth thereof needs to be deep. For this reason, there is a problem in that the vehicle height must be increased by the depth of the recess in order to secure the ground clearance at the recess at a predetermined height.

The present invention has been made in view of the above points, and an object of the present invention is to set the depth of the recess when the seat including the seat cushion and the seat back is stored in the recess formed in the vehicle body floor. The vehicle interior space can be expanded with a sufficient and simple operation without making it deep.

[0005]

In order to achieve the above object, the present invention basically forms a recess in a vehicle body floor, and a seat back is provided at the front of the recess and a seat cushion is provided at the rear of the back. Is to be stored facing upward.

In order to realize such storage, the invention according to claim 1 supports the seat back in a seat use state by a pair of left and right long legs, and one end of each long leg is seat back. Is fixed to the lower part of the side surface of the recess and the other end is rotatably connected to the rear part of the recess. Further, the length of the long leg is set so as to form a space for accommodating the seat cushion between the lower end of the seat back and the bottom surface of the recess. On the other hand, the seat cushion is connected to the long legs via link members, and one end of each link member is rotatably connected to a rear end of a side face of the seat cushion and the other end is rotatably connected to an intermediate portion of the long legs. In addition, by providing the link member along the long leg, the seat cushion is provided in the space so that the front and back of the seat cushion are accommodated together with that of the seat back. Furthermore, the front leg is foldably provided on the seat cushion.

The invention according to claim 2 is dependent on the invention according to claim 1, and in addition to the constituent features thereof, a connecting portion between the link member and the long leg and a connecting portion between the link member and the seat cushion, respectively. A stopper for restricting rotation between the two is provided, and the stopper is configured to hold the seat cushion in a state in which it can be seated from the long leg side.

The invention according to claim 3 is dependent on the invention according to claim 1, and in addition to the constituent features thereof, a locking means for long legs for locking the long legs in a state of standing up from the recess. And a front leg locking means for locking the front leg in the recess when the seat is used.

[0009]

With the above construction, in the invention according to claim 1,
When the seat device is stored in the recessed portion of the vehicle body floor from its use state, first, the front legs are folded to the back side of the seat cushion, and each link member is rotated about a connection point with the long legs to allow the long legs to rotate. The seat cushion is housed in a space surrounded by the left and right long legs, the lower end of the seat back, and the bottom surface of the recess, with the front and back of the seat cushion aligned with that of the seat back. Then, when the seat back and the seat cushion are tilted forward together with the long legs around the connecting point of the long leg and the recess into the recess, the seat back is in the front part of the recess and the seat cushion is in the rear part of the recess. Are stored with the back side facing upward. In addition, the long leg is stored between the side wall of the recess and the seat cushion. This allows
All the constituent members of the seat device are housed in the concave portion, so that the vehicle interior space is expanded widely.

According to the second aspect of the invention, when the seat cushion is pulled out from the long leg side when the seat device is used, the rotation at the connecting portion between the link member and the long leg and the connecting portion between the link member and the seat cushion are performed. The rotation of the seat cushion is restricted by the corresponding stoppers, and the seat cushion is held in the seated pull-out state, whereby the use operation of the seat can be performed easily and quickly.

According to the third aspect of the present invention, when the seat is in use, the long leg is locked by the long leg locking means so as to stand up from the recess, and the front leg is locked in the recess by the front leg locking means. Therefore, the seat cushion and the seat back are reliably supported.

[0012]

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

1 to 4 show a vehicle seat device A according to an embodiment of the present invention. The seat device A is a bench-type seat device provided as a rear seat behind a front seat B in a passenger compartment. It has a seat cushion 1 and a seat back 2.

On the other hand, a substantially rectangular recess 6 is formed in the vehicle body floor 5 where the seat device A is installed, and when the seat device A is not used, the seat device A is provided in front of the recess 6. The seat back 2 is stored with its back surface facing upward, and the seat cushion 1 of the seat device A is stored in the rear portion of the recess 6 with its back surface facing upward. In the retracted state of the seat device A, the back surfaces of the seat cushion 1 and the seat back 2 are substantially flush with the vehicle body floor 5 behind the recess 6, and the luggage compartment behind the seat device A reaches the position of the recess 6. Expanded forward.

In the use state of the seat device A, the seat back 2 is supported by a pair of left and right long legs 11, 11, one end of each long leg 11 is fixed to a lower side surface of the seat back 2, and the other end. Is rotatably connected to the rear end of the bottom surface of the recess 6. The length of the long leg 11 is set to be larger than the length of the seat back 2 in the front-rear direction, and the seat cushion 1 is housed by the pair of left and right long legs 11, 11 and the lower end of the seat back 2 and the bottom surface of the recess 6. A substantially rectangular space 12 having a possible size is formed.

The seat cushion 1 includes the long legs 1 described above.
The link members 13 and 13 corresponding to 1 and 11 are connected to each other. Each of the link members 13 has one end with the seat cushion 1 as shown in enlarged detail in FIGS.
Is rotatably connected to the rear end of the side surface of the long leg 11 via a support shaft 14, and the other end is rotatably connected to an intermediate portion of the long leg 11 via a support shaft 15. Along with the inside of the leg 11, the seat cushion 1 is provided in the space 12 so that the front and back of the seat cushion 1 are accommodated together with that of the seat back 2.

The link member 13 of the seat cushion 1
Around the connecting portion (support shaft 14) with and the connecting portion (support shaft 15) with the link member 13 of the long leg 11, projecting stoppers 16 and 17 made of pins, respectively, are provided. When the seat cushion 1 is pulled out from the space 12 on the long leg 11 side so that it can be seated, the reference numeral 17 engages with the notch portion 13a or 13b formed in the link member 13 so that the seat cushion 1 and the link member 13 are opposed to each other. The rotation or rotation of the link member 13 with respect to the long leg 11 is restricted. Therefore, the seat cushion 1
When pulled out so that it can be seated, the stoppers 16 and 17 hold the pulled-out state.

A front leg 18 is foldably provided on the back surface of the seat cushion 1. The front legs 18
Is a horizontal portion 18a extending in the vehicle width direction and a pair of left and right vertical portions 1 extending from both ends of the horizontal portion 18a by bending at substantially right angles.
8b, 18b and a rod-shaped member, and the end of each vertical portion 18b is rotatably connected to the front end of the back surface of the seat cushion 1.

The long leg 11 is rotatably connected around the collar portion 20a of the hinge base 20 attached to the bottom surface of the recess 6, as shown in detail in FIGS. The hinge base 20 is provided with a stopper portion 20b for restricting the long leg 11 from standing up substantially vertically and leaning rearward of the vehicle body relative to the state of supporting the seat back 2, and the long leg 11 will be described later. A cam surface 20c is formed which contacts the tip of the hook member 24 of the locking means 21. The cam surface 20c is an arcuate curved surface concentric with the collar portion 20a and has a cutout portion 20d at one end.

Further, the long leg 11 is provided with long leg locking means 21 for locking the long leg 11 in an upright state. The locking means 21 has a base end rotatably supported around a support shaft 22, and a hook member 24 urged by a spring 23 so that the front end always contacts the cam surface 20c of the hinge base 20. And a lock release knob 25 having a base end rotatably supported around a collar portion 11a formed at the end of the long leg 11 on the seat back 2 side, and the knob 25 and the hook member 24 are connected to each other. And a connecting rod 26 for
When the long leg 11 is tilted forward along the bottom surface of the recess 6 as shown in FIG. 7 and is rotated around the collar portion 20a of the hinge base 20 in the rising direction to stand substantially vertically (FIG. 8).
(In the state shown in FIG. 2), the tip of the hook member 24 engages with the notch 20d of the cam surface 20c to lock the long leg 11 in the upright state, and this lock is released by the turning operation of the knob 25. Is configured to.

Further, at the rear end of the bottom surface of the recess 6, two left and right front leg locking means 31, 3 for locking the horizontal portion 18a of the front leg 18 in the recess 6 when the seat apparatus A is used.
1 is provided. As shown in enlarged detail in FIGS. 9 and 10, each locking means 31 is fixed to the bottom surface of the recess 6, and has a substantially L-shaped side wall portions 32a and 32a on both left and right sides, and a fixing member 32. Side wall portions 32a, 3 of 32
The shaft 2 includes a support shaft 33 which is provided between the front ends of the horizontal sides of the shaft 2a, and a rotating member 34 which is rotatably connected to the support shaft 33. The rotating member 34 has a pair of left and right arm portions 34a, 34a extending toward the vertical side of each side wall portion 32a of the fixing member 32, and the upper edge of each arm portion 34a is formed in an arc shape. Has been done. A spring 35 is attached to the outer periphery of the support shaft 33 so as to urge the tip ends of the arm portions 34a of the rotating member 34 into contact with the vertical sides of the side wall portions 32a of the fixing member 32. When the tip of each arm portion 34a of the rotating member 34 contacts the vertical side of each side wall portion 32a of the fixed member 32 by the urging force of the rotating member 34, the horizontal portion 18a of the front leg 18 moves the arm portion of the rotating member 34. 34a and the side wall portion 32a of the fixing member 32 are sandwiched and locked. The rotating member 3
4 is formed with a knob portion 34b for gripping when releasing the lock.

Next, the operation and effect of the above embodiment will be described.

As shown in FIG. 2, the seat device A for the rear seat is stored in the recess 6 of the vehicle body floor 5.
That is, the seat back 2 of the seat device A is stored in the front portion of the recess 6 with its back surface facing upward, and the seat cushion 1 of the seat device A is stored in the rear portion of the recess 6 with its back surface facing upward. . Also, left and right long legs 1
Reference numerals 1 and 11 are laid sideways between the side wall surfaces of the seat back 2 and the seat cushion 1 and the side wall surface of the recess 6, respectively, and the front legs 18 are laid sideways on the back surface of the seat cushion 1. In this stored state, the back surfaces of the seat cushion 1 and the seat back 2 are substantially flush with the vehicle body floor 1 behind the recess 6, and the luggage compartment is expanded to the position of the recess 6.

From this state, the seat device A
When using the seat back 2, first, the seat back 2 is lifted from the front edge side of the recess 6, and the seat back 2 and the seat cushion 1 as well as the left and right long legs 11 and 11 are connected to each other by the connecting portion between the long leg 11 and the recess 6 ( Collar portion 15a of hinge base 15)
It is rotated in the rising direction around to stand up substantially vertically from the concave portion 6 (state shown in FIG. 3). In this standing state, the distal end portion of the hook member 24 of the long leg locking means 21 engages with the cutout portion 20d of the cam surface 20c to lock the long leg 11 in the standing state.

Subsequently, the concave portion 6 of the seat cushion 1
The side facing the bottom surface (the front side when in use) is lifted forward and upward to rotate the seat cushion 1 around the connecting portion (support shaft 14) with the link member 13, and pull out the seat cushion 1 forward. The link member 13 is rotated forward from the state along the inside of the long leg 11 around the connecting portion (the support shaft 15) with the long leg 11 to pull out the seat cushion 1 to a seatable state (shown in FIG. 4). Status). At this time, the link member 13 is restricted from rotating around the support shaft 14 by the stopper 16 between itself and the seat cushion 1, and is rotated around the support shaft 15 by the stopper 17 between itself and the long leg 11. The seat cushion 1 is regulated, and thus, the seat cushion 1 is held in a pulled-out state in which it can be seated.

Almost at the same time as the operation of pulling out the seat cushion 1, the front leg 18 is rotated around the connecting portion between the vertical portion 18b and the seat cushion 1 so as to stand substantially vertically from the back surface of the seat cushion 1, and the front leg 18 Horizontal part 18a
Is placed on the bottom surface of the recess 6. At this time, in the front leg locking means 31 on the bottom surface of the recessed portion 6, the horizontal portion 18a is connected to the arm portion 34 of the rotating member 34, as shown in FIG.
a, the rotating member 34 is rotated in a direction in which the rotating member 34 is separated from the vertical side of the side wall portion 32a of the fixing member 32 against the biasing force of the spring 35, and the arm portion 34a of the rotating member 34 is rotated. To the horizontal side of the side wall portion 32a of the fixing member 32 by passing between the tip of the side wall and the vertical side of the side wall portion 32a of the fixing member 32.
When the horizontal portion 18a passes the tip of the arm portion 34a of the rotating member 34, the arm portion 34a receives the biasing force of the spring 35, and the tip comes into contact with the vertical side of the side wall portion 32a of the fixing member 32. As a result, the horizontal portion 18a of the front leg 18 is connected to the arm portion 34a of the rotating member 34 and the side wall portion 32a of the fixing member 32.
It is sandwiched between and to prevent it from coming off, and is locked on the bottom surface of the recess 6. As described above, the seat device A is ready for use.

In this usable state, the long leg 11 is locked by the long leg locking means 21 in a state of standing upright from the recess 6, and the front leg 18 is locked on the bottom surface of the recess 6 by the front leg locking means 31. Because it has been
The seat cushion 1 and the seat back 2 can be reliably supported, and the stability of the seat device A can be enhanced. Further, the relative rotation of the link member 13 and the seat cushion 1 around the support shaft 14 is caused by the stopper 16.
The relative rotation of the link member 13 and the long leg 11 around the support shaft 15 is regulated by the stoppers 17, respectively, and the seat cushion 1 is held in the drawn-out state so that the seat device A is brought into the use state. It is possible to facilitate the operation for improving the stability of the seat device A.

On the other hand, when the seat device A is stored in the recess 6 from the usable state, first, the knob portion 34b of the rotating member 34 of the front leg lock means 31 is pushed forward to lock the front leg 18 by the lock means 31. After releasing the state, the front legs 18 are folded to the back side of the seat cushion 1. At about the same time, the front portion of the seat cushion 1 is pushed rearward downward to rotate the seat cushion 1 around the support shaft 14 in the direction in which the link member 13 is overlapped with the seat cushion 1.
The rear part of the link member 13 is pushed upward and the link member 13 is supported by the support shaft 15.
The seat cushion 1 is rotated around the inside of the long leg 11 so that the front and back of the seat cushion 1 match those of the seat back 2, the left and right long legs 11, 11 and the lower end of the seat back 2 and the bottom surface of the recess 6. It is stored in the space 12 surrounded by.

Then, the unlocking knob 25 of the long leg locking means 21 is rotated to engage the tip end portion of the hook member 24 with the cutout portion 20d of the cam surface 20c, that is, the long leg by the locking means 21. After the standing lock state of 11 is released, the seat back 2 and the seat cushion 1 are tilted forward together with the long legs 11 into the recess 6 with the connecting portion between the long legs 11 and the recess 6 as the center. The back 2 is stored in the front part of the concave portion 6, and the seat cushion 1 is stored in the rear part of the concave portion 6 with the back surface thereof facing upward. By the above,
The seat device A is housed in the recess 6 and the luggage compartment space is expanded widely.

In this way, the seat device A can be used and stored within the area of the recess 6 formed on the vehicle body floor 5, and the degree of freedom of the passenger compartment space can be increased. In addition, the operation can be performed easily and the usability is good. Further, the depth of the concave portion 6 is sufficient if it corresponds to the thickness of the seat cushion 1 or the seat back 2, and can be made relatively shallow, so that there is no inconvenience such as an increase in vehicle height and the like, and it is implemented. It is very advantageous above.

In the above embodiments, the seat device A of the present invention is applied to the rear seats of an automobile having one front seat B and one rear seat, but the present invention is not limited to this. It can be similarly applied to a seat device of an automobile.

Further, in the above embodiment, one bench type seat device A is stored in the recess 6 formed in the vehicle body floor 5. However, the present invention has two single type seat devices in the recess. Of course, the left and right sides may be stored in parallel.

[0033]

As described above, according to the vehicle seat apparatus of the first aspect of the invention, the seat back is provided at the front of the recess formed in the vehicle body floor when the seat is not used, and the seat cushion is provided at the back of the recess. Can be stored facing upward, so that the luggage compartment space can be sufficiently expanded. Moreover, the depth of the recess is sufficient if it corresponds to the thickness of the seat cushion or the seat back, and can be made relatively shallow, so that the vehicle height is not increased. Further, the operation for using and storing the seat can be easily performed.

According to the second aspect of the present invention, when the seat cushion is pulled out from the long leg side to use the seat, rotation at the connecting portion between the link member and the long leg and connection between the link member and the seat cushion. The rotation of the seat is regulated by the corresponding stoppers, and the seat cushion is held in the seated pulled-out state. Therefore, the use operation of the seat can be performed easily and quickly, and the seat cushion and thus the seat device. It also has the effect of improving the stability of.

According to the third aspect of the present invention, when the seat is used, the long leg is locked upright from the recess, and the front leg is locked in the recess. Therefore, the seat cushion and the seat back are reliably supported. This also has the effect of improving the stability of the seat device.

[Brief description of drawings]

FIG. 1 is a side view showing an arrangement state of a seat device according to an embodiment of the present invention in a vehicle compartment.

FIG. 2 is a perspective view showing a stored state of the seat device.

FIG. 3 is a perspective view showing a state in which the seat apparatus is in the process of being moved from a stored state to a used state.

FIG. 4 is a perspective view showing a usage state of the seat apparatus.

5 is an enlarged view of the vicinity of the link member of FIG.

FIG. 6 is an enlarged perspective view of the vicinity of the link member during the operation when the seat device is changed from the stored state to the used state.

FIG. 7 is a perspective view showing a state in which the long legs are lying down.

FIG. 8 is a perspective view showing a standing state of the long legs.

FIG. 9 is a perspective view of front leg locking means.

FIG. 10 is a side view of the same.

[Explanation of symbols]

 1 Seat Cushion 2 Seat Back 5 Car Body Floor 6 Recess 11 Long Leg 12 Space 13 Link Member 16, 17 Stopper 18 Front Leg 21 Long Leg Locking Means 31 Front Leg Locking Means

Claims (3)

[Claims] 1. A vehicle seat device in which a recess is formed in a vehicle body floor, and a seat back is stored in a front part of the recess and a seat cushion is stored in a rear part of the recess with a back surface thereof facing upward. The seat back is supported by a pair of left and right long legs, one end of each of the long legs is fixed to a lower portion of a side surface of the seat back, and the other end is rotatably connected to a rear portion of the recessed portion. The seat cushion is configured to form a space for accommodating the seat cushion between the lower end of the seat back and the bottom surface of the recess. The seat cushion is connected to the long legs via link members. One end of each link member is rotatably connected to the rear end of the side surface of the seat cushion, and the other end is rotatably connected to the middle portion of the long leg. By so doing, a seat cushion is provided in the space so that the front and back of the seat cushion are stored together with that of the seat back, and the front leg is foldably provided on the seat cushion. apparatus. 2. A stopper for restricting rotation between the link member and the long leg and a link portion between the link member and the seat cushion are provided at the connecting portion and the seat cushion is provided on the long leg side, respectively. 2. The vehicle seat device according to claim 1, wherein the seat device is held in a state where the seat is pulled out from the seat so that it can be seated. 3. The automobile according to claim 1, further comprising: long leg locking means for locking the long legs in a state of standing upright from the recess, and front leg locking means for locking the front leg in the recess when the seat is used. Seat device.