JP3242480B2 - 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 described in claim 1 connects the lower end of the seat back to the rear end of the seat cushion in a seat use state so as to be tilted to a full flat posture. The seat cushion in the seat use state is supported by the front leg and the rear leg. The front leg is composed of two link members, left and right, and one end of each of the link members is rotatably connected to the center of the side surface of the seat cushion, and the other end is rotatably connected to the recess. On the other hand, the rear legs are configured to have a horizontal portion extending in the vehicle width direction and a pair of right and left vertical portions that are bent at substantially right angles from both ends of the horizontal portion, and the ends of each of the vertical portions are defined as the seats. The horizontal part is connected rotatably to the rear end of the cushion.
With the seat stowed on the back of the seat cushion.
Position. When the seat is in the stowed position,
Part of the seat back has a concave part for gripping
Form. Further, the seat cushion and the seat back are provided so as to be able to be turned upside down around the connection point between the seat cushion and the link member of the front leg.

The invention according to claim 2 is dependent on the invention according to claim 1, and, in addition to the constituent elements, when the link member of the front leg rises from the concave portion to support the seat cushion, the link member stands up. A lock mechanism for a front leg that locks in a state, and a lock mechanism for a rear leg that locks the rear leg in the recess when the seat is used.

A third aspect of the present invention is according to the first or second aspect of the present invention, wherein the concave portion, which is a component thereof, is formed on the vehicle body floor of the luggage compartment.

[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 the use state, for example, the rear leg is taken out from the concave portion by holding the horizontal portion of the rear leg, and the seat cushion and the seat back are connected to the link member between the seat cushion and the front leg. Upside down around the connection point with. Subsequently, when the seat cushion and the seat back are extended in a full flat state in the recess, the seat back is stored with the back face upward at the front of the recess, and the seat cushion is face up at the rear of the recess. Stored.
At this time, each link member of the front leg is tilted rearward of the vehicle body around the connection point with the recess, and is stored between the side wall of the recess and the seat cushion. Then, for gripping the horizontal part of the rear leg
Positioned on the back of the seat cushion to correspond to the recess
Attach and fold. On the other hand, use the seat device from its stored state.
When the state is changed to the use state, the operation is performed in a manner reverse to the above.

Thus, in the retracted state, all the constituent members of the seat device are stored in the recess, and the space in the vehicle compartment is widened widely. On the other hand, in use, the seat
The seat and seat back are easily removed from the recess
It will be.

According to the second aspect of the present invention, when the seat is in use, the link member of the front leg is locked in a state of standing up from the recess by the front leg locking means, and the rear leg is locked in the recess by the rear leg locking means. As a result, the front and rear legs do not wobble, and the seat cushion is reliably supported.

[0012]

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

FIGS. 1 to 4 show an automobile seat device A according to an embodiment of the present invention. The seat device A is provided as two rear seats behind a front seat B in a vehicle interior. ing. The seat device A includes a seat cushion 1.
And a seat back 2. The lower end of the seat back 2 is connected to the rear end of the seat cushion 1 via a connecting shaft 3 or the like so as to be tiltable to a full flat posture.

On the other hand, a substantially rectangular recess 6 is formed in the vehicle body floor 5 where the seat device A is installed. When the seat device A is not used, two left and right seats are provided at the front of the recess 6. The seat backs 2, 2 of the devices A, A are stored side by side and the back faces upward, and the seat cushions 1, 1 of the seat devices A, A are stored at the rear of the recess 6 side by side and the back faces upward. It has become so. 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.

When the seat device A is in use, the seat cushion 1 is supported by front legs 11 and rear legs 12. The front leg 11 includes two left and right link members 1.
One end of each link member 13 is rotatably connected to the center of the side surface of the seat cushion 1, and the other end is rotatably connected to the bottom surface of the recess 6. The rear leg 12 is formed of a rod-shaped member having a horizontal portion 12a extending in the vehicle width direction and a pair of left and right vertical portions 12b, 12b extending at substantially right angles from both ends of the horizontal portion 12a.
The end of each of the vertical portions 12b is connected to the seat cushion 1
Is rotatably connected to the rear end of the side surface. The connecting portion of the rear leg 12 (vertical portion 12b) to the seat cushion 1 is provided at a position different from the connecting portion (connecting shaft 3) of the seat back 2 to the seat cushion 1 as shown in FIG.

The height from the bottom of the recess 6 to the connecting portion between the link member 13 and the seat cushion 1 is set to be larger than the length from the connecting portion to the front end of the seat cushion 1. And the seat back 2 is provided so as to be able to be turned upside down from the use state around the connection portion.

The link member 13 is rotatably mounted around a collar portion 15a of a hinge base 15 attached to the bottom surface of the concave portion 6, as shown in detail in FIGS. The hinge base 15 includes a link member 13.
Stopper 1 that restricts the body from standing upright and tilting forward in the vehicle body from a state where the seat cushion 1 is supported.
5b, and a cam surface 1 which comes into contact with a tip end of a hook member 24 of the front leg locking means 21 described later.
5c is formed. The cam surface 15c is an arc-shaped curved surface concentric with the collar portion 15a and has a cutout 15d at one end.
have.

The link member 13 has a front leg lock means 21 for locking the link member 13 in an upright state.
Is provided. The locking means 21 is a hook member whose base end is rotatably pivoted around a support shaft 22 and whose distal end is urged by a spring 23 so as to always contact the cam surface 15 c of the hinge base 15. 24 and the link member 13
A lock release knob 25 whose base end is rotatably fitted around a connecting shaft insertion collar portion 13a formed at the end of the seat cushion 1 on the side of the seat cushion 1, and the knob 25 and the hook member 24. A connecting rod 26 for connecting the link member 13
Is turned upright around the collar portion 15a of the hinge base 15 from a state in which it falls backward along the bottom surface of the concave portion 6 as shown in FIG. ), The tip of the hook member 24 is engaged with the notch 15d of the cam surface 15c to lock the link member 13 in the upright state, and the lock is released by the turning operation of the knob 25. ing.

7 and 8, a rear leg lock for locking the horizontal portion 12a of the rear leg 12 to the concave portion 6 when the seat device A is used, as shown in FIGS. Means 31 are provided. The locking means 31
A fixing member 32 fixed to the bottom surface of the concave portion 6 and having substantially L-shaped side walls 32a, 32a on both left and right sides;
A support shaft 33 is provided between the horizontal side ends of the two side walls 32a, 32a, and a rotation member 34 pivotally mounted on the support shaft 33 so as to be rotatable around the support shaft 33. The rotating member 34 is
It has a pair of left and right arms 34a, 34a extending toward the vertical side of each side wall 32a of the fixing member 32,
The upper edge of each of the arms 34a is formed in an arc shape.
A spring 35 is mounted on the outer periphery of the support shaft 33 for urging the distal end of each arm portion 34a of the rotating member 34 to abut on the vertical side of each side wall portion 32a of the fixing member 32.
Each arm 3 of the rotating member 34 is actuated by the urging force of the spring 35.
In a state where the tip of 4a is in contact with the vertical side of each side wall 32a of the fixed member 32, the horizontal portion 12a of the rear leg 12 is located between the arm 34a of the rotating member 34 and the side wall 32a of the fixed member 32. And is locked. The rotating member 34 is formed with a knob 34b for gripping when releasing the lock.

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

Now, as shown in FIG.
In the section 6, two left and right seat devices A, A for the rear seat are provided.
Has been delivered. That is, both sheets are provided at the front of the recess 6.
The seat backs 2, 2 of the devices A, A
The two seats are stored facing upward and
A, the seat cushions 1, A of side A are side by side and the back
Is stored facing up. In addition, each sheet device A
The left and right link members 13, 13 of the front leg 11 are
The side surface of the seat cushion 1 and the side wall surface of the recess 6 or other cushions
Between the side of the seat cushion 1 of the seating device A
And the rear legs 12As shown in the figure,
The horizontal portion 12a is partially formed on the back surface of the seat cushion 1.
So that it corresponds to the gripping recessSheet cook
Is laid down on the back ofIs positioned
You. In this stored state, the seat cushion 1 and the seat
The back surface of the back 2 is substantially the same as the body floor 1 behind the recess 6.
The luggage space has been expanded to the position of the recess 6
You.

Then, from such a state, when using, for example, the left sheet device A, first, the holding concave portion is used.
Hands In horizontal portion 12a of the rear legs 12 of the seat device A
After the rear leg 12 is lifted from the back of the seat cushion 1 , the seat device A is lifted upward. Then, as shown in FIG. 3, the seat cushion 1 and the seat back 2 of the seat device A are rotated around the connecting shaft 3 in the folding direction from the fully flat state, and the portions of the two on the connecting shaft 3 are raised. Stand up. Also, each link member 13 of the front leg 11
Rotates in the rising direction around the collar portion 15a of the hinge base 15 on the concave portion 6 side and rises substantially vertically from the concave portion 6.
In the upright state, the tip of the hook member 24 of the front leg locking means 21 is engaged with the notch 15d of the cam surface 15c, and the link member 13 is locked in the upright state.

Subsequently, the seat cushion 1 and the seat back 2 are moved so that the rear leg 12 is pulled down rearward about the connection point between the link member 13 and the seat cushion 1.
Is turned upside down, and the horizontal portion 12a of the rear leg 12 is inserted into the rear end of the concave portion 6 (the state shown in FIG. 4). At this time, in the rear leg locking means 31, the horizontal portion 12a is connected to the arm portion 34a of the rotating member 34 as shown in FIG.
Abuts on the upper edge of the arm member 34a of the arm member 34a of the rotating member 34 in a direction away from the vertical side of the side wall 32 of the fixed member 32 against the urging force of the spring 35. It passes between the front end and the vertical side of the side wall 32a of the fixing member 32 to reach the horizontal side of the side wall 32a of the fixing member 32. The tip of the arm portion 34a of the rotating member 34 is the horizontal portion 1
When 2a passes, the distal end comes into contact with the vertical side of the side wall 32a of the fixing member 32 under the urging force of the spring 35. As a result, the horizontal portion 12a of the rear leg 12 is
4 between the arm portion 34a and the side wall portion 32a of the fixing member 32, and is locked on the bottom surface of the concave portion 6.

Thereafter, the seat back 2 is pivoted rearward around the connecting shaft 3 with the seat cushion 1 until the seat back is seated. As described above, the seat device A is in a usable state.

From the above, the horizontal portion 12a of the rear leg 12
Is placed on the back of the seat cushion 1 with the seat stored.
And a shell corresponding to the horizontal portion 12a.
Since the holding recess is formed on the back of the back 1,
The seat cushion 1 and the seat back 2 can be easily recessed 6
Can be taken from

[0026] Then, in this a usable state, the seat cushion 1, the front is supported by the legs 11 and rear legs 12, the seat cushion 1 to a seat apparatus A by increasing the length of the legs 11, 12 The hip point can be easily increased, and the sitting comfort can be improved. Further, the front leg 11 (link member 13)
Is locked in the upright state by the lock means 21 and the rear leg 12 is locked on the bottom surface of the concave portion 6 by the lock means 31, so that the seat cushion 1 does not shake during use, and the seat device A Stability can be improved.

On the other hand, when the seat device A is stored in the concave portion 6 from a usable state, first, the seat back 2
Is tilted toward the seat cushion 1 side, and then the knob portion 34b of the rotating member 34 of the rear leg locking means 31 is pushed forward to release the locked state of the horizontal portion 12a of the rear leg 12 by the locking means 31. 12, the seat cushion 1 and the seat back 2 are connected to the link member 1 between the seat cushion 1 and the front leg 11.
3 is inverted upside down around the point of connection with 3. continue,
The tip of the hook member 24 and the notch 1 in the cam surface 15c are operated by rotating the lock release knob 25 of the front leg lock means 21.
When the seat cushion 1 and the seat back 2 are extended to the full flat state in the recess 6 after releasing the engagement state with the lock member 21, that is, the lock state of the link member 13 by the lock means 21, the seat back 2 6, and the seat cushion 1 is stored in the front of the recess with the back facing upward. At this time, each link member 13 of the front leg 11 is inclined rearward around the collar portion 15a of the hinge base 15 on the concave portion 6 side, and the side surface of the seat cushion 1 and the side wall surface of the concave portion 6 or the seat of the other seat device A. It is stored between the side of the cushion 1. After that, the horizontal portion 12a of the rear leg 12 is gripped.
On the back surface of the seat cushion 1 so as to correspond to the use recess
Position and fold. As described above, the seat device A is stored in the concave portion 6, and the vehicle 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 applied to an automobile seat device.

Further, in the above-described embodiment, the two left and right seat devices A, A are stored in one concave portion 6 formed in the vehicle body floor 5, however, in the present invention, two concave portions are formed in the vehicle body floor 5. It is needless to say that the left and right sides may be formed in parallel, and one seat device A may be stored in each of the concave portions.

[0031]

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 cabin 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. Further, the operation for using and storing the sheet can be easily performed. Further, by increasing the length of the front leg and the rear leg supporting the seat cushion, the hip point of the seat can be easily increased, and the sitting comfort can be improved. And the horizontal part of the rear leg,
Positioned on the back of the seat cushion with the seat stowed
The back of the seat back corresponding to the horizontal part
Since the gripping recess is formed on the surface, the seat cushion
The seat and seat back can be easily removed from the recess.
Wear.

According to the second aspect of the present invention, when the seat is used, the front leg and the rear leg are locked together so that the seat cushion and, consequently, the seat device can be prevented from wobbling, thereby improving stability. Can be.

[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 one state during the operation of changing the seat device from a stowed state to a used state.

FIG. 4 is a perspective view showing another state during the operation.

FIG. 5 is a perspective view showing the link member in a sideways state.

FIG. 6 is a perspective view showing a standing state of a link member.

FIG. 7 is a perspective view of locking means for a rear leg.

FIG. 8 is a side view of the same.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 seat cushion 2 seat back 5 body floor 6 recess 11 front leg 12 rear leg 12a horizontal portion 12b vertical portion 13 link member 21 front leg locking means 31 rear leg locking means

──────────────────────────────────────────────────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 lower end of the seat back is tiltably connected to the rear end of the seat cushion so as to be able to tilt to a full flat position. The seat cushion in a seat use state is supported by a front leg and a rear leg. One end of each of the link members is rotatably connected to the center of the side surface of the seat cushion, and the other end is rotatably connected to the recess. The rear leg has a horizontal portion extending in the vehicle width direction and the horizontal portion. And a pair of right and left vertical portions that bend at substantially right angles from both ends of the portion, and the ends of each of the vertical portions are rotatable with the rear end of the seat cushion. While that will be connected to, the horizontal section may
Positioned on the back of the seat cushion with the seat retracted
The seat bar corresponding to the horizontal part of the rear leg
The back surface of the back is partially formed with a gripping recess, and the seat cushion and the seat back are provided so as to be able to be turned upside down around a connection point between the seat cushion and the link member of the front leg. Characteristic automotive seat device. 2. A front leg locking means for locking the link member in an upright state when the link member of the front leg stands up from the recess to support the seat cushion; and a rear leg for locking the rear leg in the recess when the seat is used. The vehicle seat device according to claim 1, further comprising a locking means. 3. The vehicle seat apparatus according to claim 1, wherein the recess is formed on a vehicle body floor of the luggage compartment.