JP3242479B2 - Car seat equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art Conventionally, in a vehicle such as a van type or a wagon type, a retractable seat device which can store a rear seat when the rear seat is not used so as to secure a large luggage space is available. Various proposals have been made and are known. For example, Japanese Utility Model Laid-Open Publication No. 1-81135 discloses that 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 a seat cushion is rotatably connected to a side wall of a vehicle compartment. The seat cushion and the seat back are stored along the side wall of the vehicle compartment. In addition, actual opening 1-10
No. 1934 discloses that a concave portion is formed in a vehicle body floor, and a panel member covering the concave portion is rotatably attached to a rear edge of the concave portion of the vehicle body floor, and a seat cushion and a seat cushion are foldable on the back surface of the panel member. A seat having a seat back connected to the seat cushion is provided, and the seat cushion and the seat back are stored in a folded state in the recess, and the recess is covered with a panel member.

[0003]

However, in the former seat device of the above-described example, since the seat cushion and the seat back protrude from the side wall of the vehicle compartment toward the interior of the vehicle even when the seat cushion and the seat back are in the retracted state, the interior space of the vehicle is limited. It is not possible to sufficiently expand the cargo space. Further, in the latter case, since the concave portion of the vehicle body floor stores the seat cushion and the seat back in a folded state, it is necessary to increase the depth. For this reason, there is a problem that the vehicle height must be increased by the depth of the concave portion in relation to securing the ground height at the concave portion at a predetermined height.

The present invention has been made in view of the above circumstances, and an object of the present invention is to store a seat including a seat cushion and a seat back in a recess formed in a vehicle body floor, and to provide the same with the depth of the recess. This allows the vehicle interior space to be enlarged by a sufficient and simple operation without increasing the depth.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention basically comprises forming a recess in a vehicle body floor, a seat back at a front portion of the recess, and a seat cushion at a rear portion. Is stored 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 connects one end of each of the long legs to the seat back. And the other end is rotatably connected to the rear 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 concave portion. On the other hand, the seat cushion is connected to the two long legs via link members, respectively, and 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 an intermediate portion of the long leg. At the same time, the seat cushion is provided so that the front and back sides of the seat cushion are accommodated in the space by aligning the link member along the long legs. Then, the seat back and the seat
And the long leg is positioned in the recess.
Between the other end of the long leg
To be rotatable. And the above seat cushion
The storage position stored in the space and the storage position
The ring member between a position in which the
It is provided movably via Further, a front leg is provided on the seat cushion so as to be freely foldable.

A second aspect of the present invention is dependent on the first aspect of the present invention, and further includes a connecting portion between the link member and the long leg and a connecting portion between the link member and the seat cushion. Stoppers for restricting rotation between the two are provided, and these stoppers hold the seat cushion in a state where the seat cushion is pulled out so as to be seated from the long leg side.

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

[0009]

According to the above-mentioned structure, according to the first aspect of the present invention,
When the seat device is stored in the concave portion of the vehicle body floor from its use state, first, the front leg is folded toward the back side of the seat cushion, and each link member is pivoted about the connection point with the long leg to rotate the seat leg. by Rukoto along a, be seated
The seat cushion at the position where it is pulled out is stored in the space surrounded by the left and right long legs, the lower end of the seat back and the bottom of the recess with the front and back aligned with that of the seat back.
Store in position . After a while, it stands up with the long legs
When the seat back and the seat cushion are in a position where the seat back and the cushion are tilted forward with the long leg around the connection point between the long leg and the concave portion and are stored in the concave portion, the seat back is located at the front of the concave portion, Seat cushions are stored at the rear of the recess, respectively, with the back surface facing upward. The long leg is stored between the side wall of the recess and the seat cushion. one
When changing the seat device from its stored state to the used state
Is performed by the operation reverse to the above. This allows the storage
In this state, all the constituent members of the seat device are stored in the concave portions, and the cabin space is widened widely. Also see
The operation for using or storing the data is simplified.

According to the second aspect of the present 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 is regulated by the corresponding stopper, and the seat cushion is held in a pulled-out state in which the seat can be seated, whereby the operation of using 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 in a state of standing up from the recess by the long leg locking means, and the front leg is locked in the recess by the front leg locking means. Thus, 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.

FIGS. 1 to 4 show a seat device A of an automobile according to an embodiment of the present invention. This seat device A is a bench type rear seat provided behind a front seat B in a vehicle interior. And 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 the seat device A is located at the front of the recess 6 when the seat device A is not used. The seat back 2 is stored with its back surface facing upward, and the seat cushion 1 of the seat device A is stored with its back surface facing upward at the rear of the recess 6. 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 concave portion 6, and the cargo room behind the seat device A reaches the position of the concave portion 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 and one end of each of the long legs 11 is fixed to a lower portion of the side 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 longer than the length of the seat back 2 in the front-rear direction, and the seat cushion 1 is accommodated by the pair of left and right long legs 11, the lower end of the seat back 2, and the bottom surface of the recess 6. A substantially rectangular space 12 of a possible size is formed.

The seat cushion 1 includes the two long legs 1.
1, 11 are connected via corresponding link members 13, 13, respectively. One end of each of the link members 13 is, as shown in 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. The seat cushion 1 is provided in the space 12 so as to be accommodated along the inside of the leg 11 so that the front and back of the seat cushion 1 are accommodated in the space 12.

The link member 13 of the seat cushion 1
Around the connecting portion (support shaft 14) of the long leg 11 and the connecting portion (support shaft 15) of the long leg 11 with the link member 13, stoppers 16 and 17 made of pins are respectively protruded. Reference numeral 17 denotes a relative position between the seat cushion 1 and the link member 13 when the seat cushion 1 is pulled out of the space 12 on the long leg 11 side so as to be able to sit on the notch 13a or 13b formed in the link member 13. The rotation or rotation of the link member 13 with respect to the long leg 11 is regulated. Therefore, the seat cushion 1
When it is pulled out so that it can be seated, it is held in the drawn-out state by the stoppers 16 and 17.

A front leg 18 is provided on the back of the seat cushion 1 so as to be freely foldable. The front legs 18
Is a pair of left and right vertical portions 1a extending in the vehicle width direction and bent at substantially right angles from both ends of the horizontal portion 18a.
8b, 18b, and the end of each of the vertical portions 18b is rotatably connected to the front end of the rear surface of the seat cushion 1.

The long legs 11 are rotatably connected around a collar 20a of a hinge base 20 attached to the bottom surface of the concave portion 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 from a state in which the long leg 11 supports the seat back 2. A cam surface 20c that contacts the tip of the hook member 24 of the lock means 21 is formed. The cam surface 20c is an arc-shaped curved surface concentric with the collar portion 20a and has a cutout portion 20d at one end.

The long leg 11 is provided with a long leg lock means 21 for locking the long leg 11 in an upright state. The locking means 21 has a hook member 24 whose base end is rotatably supported around a support shaft 22 and whose distal end is urged by a spring 23 so as to always contact the cam surface 20 c of the hinge base 20. A lock release knob 25 whose base end is rotatably supported around a collar portion 11a formed at the end of the long leg 11 on the side of the seat back 2, and connects the knob 25 and the hook member 24 to each other. And a connecting rod 26 that
When the long leg 11 is pivoted in the rising direction around the collar portion 20a of the hinge base 20 from the state in which it has fallen forward along the bottom surface of the concave portion 6 as shown in FIG.
), 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 the lock is released by the turning operation of the knob 25. It is configured to:

Further, at the rear end of the bottom surface of the concave portion 6, two left and right front leg locking means 31, 3 for locking the horizontal portion 18a of the front leg 18 to the concave portion 6 when the seat device A is used.
1 is provided. Each of the locking means 31 is fixed to the bottom surface of the concave portion 6 and has substantially L-shaped side walls 32a, 32a on both left and right sides, as shown in detail in FIGS. 32 side walls 32a, 32
A support shaft 33 is provided between the front ends of the horizontal sides 2a, and a rotation member 34 is rotatably connected around the support shaft 33. The rotating member 34 has a pair of left and right arms 34a, 34a extending toward the vertical side of each side wall 32a of the fixed member 32. The upper edge of each arm 34a is formed in an arc shape. Have been. A spring 35 is mounted on the outer periphery of the support shaft 33 so as to urge the tip of each arm portion 34a of the rotating member 34 into contact with the vertical side of each side wall portion 32a of the fixed member 32. When the distal end of each arm 34a of the rotating member 34 abuts on the vertical side of each side wall 32a of the fixed member 32 due to the urging force of 35, the horizontal portion 18a of the front leg 18 is It is configured to be sandwiched and locked between the side wall 34a of the fixing member 32 and the side wall 34a. The rotating member 3
4, a knob portion 34b for gripping when releasing the lock is formed.

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

Now, as shown in FIG. 2, a seat device A for a rear seat is stored in a concave portion 6 of a vehicle body floor 5.
That is, the seat back 2 of the seat device A is stored with its back face up at the front of the recess 6, and the seat cushion 1 of the seat device A is stored with its back face up at the rear of the recess 6. . The left and right long legs 1
The front legs 1 and 11 are laid down between the side wall surfaces of the seat back 2 and the seat cushion 1 and the side wall surface of the concave portion 6, and the front legs 18 are laid down 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.

Then, from such a state, the sheet device A
When the seat back 2 is used, first, the seat back 2 is lifted from the front edge side of the concave portion 6, and the seat back 2 and the seat cushion 1 are connected together with the left and right long legs 11, 11 by the connecting portion ( Collar part 15a of hinge base 15)
And rises substantially vertically from the concave portion 6 (state shown in FIG. 3). In the upright state, the tip of the hook member 24 of the long leg lock means 21 engages with the notch 20d of the cam surface 20c, and the long leg 11 is locked in the upright state.

Subsequently, the concave portion 6 of the seat cushion 1 is formed.
The side facing the bottom surface (the front side 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 pivoted forward from a state along the inside of the long leg 11 around a connecting portion (support shaft 15) with the long leg 11, and the seat cushion 1 is pulled out to a state where it can be seated (see FIG. 4). Status). At this time, the rotation of the link member 13 around the support shaft 14 with the seat cushion 1 is restricted by the stopper 16, and the rotation of the link member 13 around the support shaft 15 with the long leg 11 by the stopper 17. As a result, the seat cushion 1 is held in a pulled-out state in which the seat cushion 1 can be seated.

At approximately the same time as the operation of pulling out the seat cushion 1, the front leg 18 is rotated about the connecting portion between the vertical portion 18b and the seat cushion 1 to stand substantially vertically from the back surface of the seat cushion 1, and 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 concave portion 6, as shown in FIG.
a, and pivots the rotating member 34 in a direction away from the vertical side of the side wall portion 32a of the fixed member 32 against the urging force of the spring 35, and the arm portion 34a of the rotating member 34 And reaches the horizontal side of the side wall 32a of the fixing member 32 through the space between the tip of the fixing member 32 and the vertical side of the side wall 32a of the fixing member 32.
When the horizontal portion 18a passes through the tip of the arm portion 34a of the rotating member 34, the arm portion 34a receives the urging force of the spring 35, and the tip comes into contact with the vertical side of the side wall portion 32a of the fixed 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 fixed member 32.
And locked on the bottom surface of the recess 6. As described above, the seat device A is in a usable state.

In this usable state, the long leg 11 is locked in a state of standing up from the recess 6 by the long leg lock means 21, and the front leg 18 is locked on the bottom surface of the recess 6 by the front leg lock means 31. 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 improved. The relative rotation of the link member 13 and the seat cushion 1 around the support shaft 14 is controlled by the stopper 16.
Since the relative rotation of the link member 13 and the long leg 11 around the support shaft 15 is regulated by the stopper 17, and the seat cushion 1 is held in a drawable state in which the seat cushion 1 can be seated, the seat device A is put into the use state. Can be facilitated, and the stability of the seat device A can be further improved.

On the other hand, when the seat device A is stored in the recess 6 from a usable state, first, the knob portion 34b of the rotating member 34 of the front leg locking means 31 is pushed forward to lock the front leg 18 by the locking means 31. After releasing the state, the front leg 18 is folded toward the back of the seat cushion 1. At substantially the same time, the front portion of the seat cushion 1 is pushed rearward and downward to rotate around the support shaft 14 in the direction of overlapping with the link member 13, and
Of the link member 13 to the support shaft 15
The seat cushion 1 is rotated in the direction along the inside of the long leg 11 so that the front and back surfaces of the seat cushion 1 match those of the seat back 2, the lower ends of the left and right long legs 11, and the bottom surface of the recess 6. And stored in the space 12 surrounded by

Subsequently, the lock release knob 25 of the long leg lock means 21 is rotated to operate the tip of the hook member 24 with the notch 20d of the cam surface 20c, that is, the long leg by the lock means 21. When the seat back 2 and the seat cushion 1 are tilted forward together with the long leg 11 around the connecting portion between the long leg 11 and the concave portion 6 after the standing lock state of the vertical lock 11 is released, the seat back 2 and the seat cushion 1 are put into the concave portion 6. The back 2 is stored at the front of the recess 6, and the seat cushion 1 is stored at the rear of the recess 6 with the back surface facing upward. By the above,
The seat device A is stored in the concave portion 6, and the luggage compartment space is widened widely.

As described above, the seat device A can be used and stored within the area of the concave portion 6 formed on the vehicle body floor 5, and the degree of freedom of the cabin space can be increased. Moreover, the operation can be easily performed, 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. It is very advantageous above.

In the above embodiment, the case where the seat apparatus A of the present invention is applied to a rear seat of an automobile having a front seat B and a rear seat each arranged in a row has been described. The present invention can be similarly applied to an automobile seat device.

Further, in the above embodiment, one bench type seat device A is stored in the concave portion 6 formed on the vehicle body floor 5, but the present invention provides two single type seat devices in the concave portion. Needless to say, it may be configured to store the data in the left and right sides in parallel.

[0033]

As described above, according to the vehicle seat apparatus of the first aspect of the invention, when the seat is not used, the seat back is provided at the front of the recess formed in the vehicle body floor and the seat cushion is provided at the rear. Can be stored facing upward, so that the luggage space can be sufficiently enlarged. Moreover, the depth of the concave portion 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 does not increase. In addition, the number of operations for using and storing sheets is reduced.
And can be done easily.

According to the second aspect of the invention, when the seat cushion is pulled out from the long leg side in order 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 are performed. The rotation of the seat portion is regulated by the corresponding stopper, and the seat cushion is held in a pulled-out state in which the seat can be seated, so that the use operation of the seat can be performed easily and quickly, and the seat cushion, and consequently the seat device This also has the effect of increasing the stability of

According to the third aspect of the present invention, when the seat is used, the long legs are locked in a state of standing up from the concave portions, and the front legs are locked in the concave portions, so that the seat cushion and the seat back can be reliably supported. And the stability of the seat device can be improved.

[Brief description of the 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 cabin.

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

FIG. 3 is a perspective view showing a state in the middle of an operation when the seat device is changed from a stored state to a used state.

FIG. 4 is a perspective view showing a use state of the seat device.

FIG. 5 is an enlarged view of the vicinity of a link member in FIG. 4;

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

FIG. 7 is a perspective view showing a state in which a long leg is lying down.

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

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

FIG. 10 is a side view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Seat cushion 2 Seat back 5 Body floor 6 Depression 11 Long leg 12 Space 13 Link member 16, 17 Stopper 18 Front leg 21 Locking means for long leg 31 Locking device for front leg

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60N 2/30 B60N 2/36

Claims (3)

(57) [Claims] 1. A vehicle seat device in which a recess is formed in a vehicle body floor, a seat back is stored at a front portion of the recess, and a seat cushion is stored at a rear portion thereof with a back surface 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 side of the seat back, and the other end is rotatably connected to a rear portion of the concave portion. The seat cushion 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, and 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 an intermediate portion of the long leg. The seat cushion is provided in the space so that its front and back sides are accommodated together with that of the seat back, and the seat back and the seat cushion are stored together with the position stored in the concave portion and the long leg. The seat cushion is rotatably provided around the other end of the long leg between a standing position and the seat cushion, and the seat cushion is retracted from the storage position stored in the space and seated from the storage position. And a front leg provided on the seat cushion so as to be freely foldable. 2. The connecting portion between the link member and the long leg and the connecting portion between the link member and the seat cushion are provided with stoppers for restricting rotation therebetween, and the stoppers are used to connect the seat cushion to the long leg side. 2. The vehicle seat device according to claim 1, wherein the seat device is held in a state where the seat device is pulled out so as to be able to be seated. 3. The vehicle according to claim 1, further comprising: a long leg locking means for locking the long legs in a state of standing upright from the recess, and a front leg locking means for locking the front legs to the recess when a seat is used. Sheet equipment.