JPH068916Y2 - Vehicle seat device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a vehicle seat device, and more particularly to a vehicle seat device in which seats are arranged in the front and rear of a vehicle compartment.

[Prior Art] FIG. 5 schematically shows an arrangement state of essential parts of a conventional one-box car.

In the figure, in this vehicle, a driving seat 42a and an auxiliary seat 42b are provided on the front side in a vehicle interior 41, and rear seats 42c, 42d and the like are arranged on the middle and rear sides. Further, on the front side, doors 43a and 43b are respectively provided corresponding to the driving seat 42a and the auxiliary seat 42b.
An entrance and exit is provided on the left and right, and an entrance and exit located at an intermediate portion on one side and closed by a sliding door 43c is provided on the rear side. And getting on and off the vehicle,
The driver seat 42a is obtained by opening the door 43a, and the auxiliary seat 42b is obtained by opening the door 43b. Further, the rear seat 42
Getting on and off at c and 42d is performed by opening the door 43c. That is, each of the sheets 42a, 42b,
In 42c and 42d, the door 43 which is determined in advance is used.
You cannot get on or off unless you open a, 43b, 43c.

[Problems to be Solved by the Invention] Therefore, for example, as shown in FIG. 5, when an obstacle 44 such as a fence exists on the road shoulder portion, the doors 43b, 4
Both 3c must park and get on and off at a position where they are in a state of escaping from the obstacle 44. Therefore, there is a problem that the parking position is greatly restricted.

Incidentally, Japanese Utility Model Laid-Open No. 63-59043 discloses the contents of a seat which can be rotated and erected along a rail member so as to enlarge the space for luggage, and the seat moving technique is described above. It can be applied to other problems.

However, if you want to get a passage leading to the front door,
Since it is temporary unlike the case where a space for luggage is secured, it is preferable that the rotated seat does not have to be securely locked, but it is possible to move the seat more toward the center of the passenger compartment. Further, it is essential that the operability can be made simpler, and the configuration of rotating the seat to the body side panel side with the seat in a flat state cannot be applied.

The present invention has been made in view of the above problems, and an object thereof is to provide a vehicle seat device having a structure capable of improving the entry / exitability from the entry / exit opening on the front seat side to the rear seat. is there.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides two separate type front seats arranged side by side in a vehicle compartment, and a rear seat is arranged behind the front seat. In a vehicle seat device, each of which is provided with an entrance / exit corresponding to each seat of the front seat, at least one of the front seats is a rail installed on a center side of a passenger compartment of a floor and a side of the vehicle. A substantially inverted U-shaped link is formed from a seat slide means which is held on a member and which adjusts the position in the vehicle front-rear direction via the rail member, and a long link piece and two short link pieces to form a U-shaped link. By pivotally supporting both ends of the link to the rail member side of the vehicle compartment center side and pivoting the top of the U-shaped link to the seat side, the seat can be horizontally moved in the vehicle width direction and the standing direction. Turn Three-section link means for connecting and supporting in a rollable manner, and the engagement / disengagement member for the rail member and the seat on the vehicle side portion side are provided, and the lock is released when the seat is horizontally moved to the vehicle side portion side, And a locking means for setting the seat in a rotatable state.

[Operation] According to the above configuration, when getting on and off the rear seat from the entrance / exit of the front seat, the front seat is pushed and moved in the horizontal direction which is the unlocking direction. Then, the locking means is released. Next, when the seat is rotated through the three-bar linkage, the seat is erected while being moved from the regular position to the center of the vehicle compartment.

In the rotated state of the seat, a space where nothing exists is formed in the retracted portion, and this space secures a passage between the rear seat and the front passenger seat side entrance / exit. As a result, for example, even if the rear entrance / exit is obstructed by an obstacle such as a fence, if the front entrance / exit is not obstructed, people using the rear seat will use the front seat entrance / exit. Then you can get on and off freely.

When the front seat is used, the front seat is rotated through the three-bar linkage to return to the normal position, and at the same time, when the front seat is moved in the horizontal direction, the locking means is engaged again,
It can be used as a normal sheet.

[Embodiment] An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 4 is a schematic layout diagram of a main configuration of a vehicle to which a seat device according to an embodiment of the present invention is applied. This vehicle 1 is a one-box car as an example. A seat 3 that serves as a driver's seat and a seat 4 that serves as a passenger seat are provided on the front side in a passenger compartment 2, and rear seats 5, 6 and the like are arranged on the middle and rear sides. Has been done. Corresponding to the seats 3 and 4, front and rear doors are provided on the left and right, which are closed by doors 7 and 8, respectively, and on the rear side, a sliding door type door 9 is provided at an intermediate portion on one side.
There is an entrance / exit that can be closed at.

In the vehicle 1, when the entrance / exit that is closed by the door 9 is an obstacle for getting on and off due to an obstacle 10 such as a fence, when the seat 4 is rotated in the lateral direction,
Passage 1 between the entrance and exit that is closed by the rear seats 5 and 6
1 can be secured, and a person using the rear seats 5 and 6 can pass through the passage 11 and get in and out through the front door.

Further, this sheet 4 is, as shown in FIGS. 1 to 3,
A seat cushion portion 19 attached via a seat slide means including a pair of left and right rail members 16 and 17, a lock lever 18, and the seat cushion portion 1
9, a seat back portion 21 attached to the seat 9 via a reclining device 20 so as to be tiltable forward and backward, and a headrest 22 attached to an upper portion of the seat back portion 21.
And so on.

The seat 4 is used for the reclining device 20.
When the operating lever 20a of the
Can be fully fallen rearward, that is, a full reclining state until a substantially flat state with the seat cushion portion 19 is obtained, and the seat back portion 21 is provided with the seat cushion portion 21 as shown by a dashed line in FIG. It is possible to fall forward until it is folded over 19 pieces.

Further, when the lock lever 18 is operated to release the lock, slide adjustment is performed via the rail members 16 and 17, and the position of the entire seat 4 can be adjusted forward and backward.
Such seat slide means are well known. The rail member 16 is located on the center side of the vehicle compartment, and the rail member 17 is located on the vehicle side portion side.

Further, among the rail members 16 and 17 fixed to the floor panel 13, the front and rear ends of the rail member 16 on the center side of the room and corresponding portions of the seat cushion portion 19 are connected by a three-joint link means 30. Has been done.

As shown in FIG. 2, each three-joint link means 30 is composed of a long link piece 32, short link pieces 33, 34, etc., and each link piece 32, 33, 34 forms a substantially inverted U-shaped link. Of these, one end sides of the link pieces 32 and 34 are rotatably attached to the bracket 31 via the support shafts 35 and 36, and the remaining link pieces 33 have different ends on the other ends of the link pieces 32 and 34, respectively. It is rotatably attached via 37 and 38. The bracket 31 is fixed on the rail member 16.

The support shaft 37 is screwed to a mounting seat fixed to the frame of the seat 4 and is rotatably connected to the seat 4. The seat 4 connected to the three-joint link means 30 via the support shaft 37 in this way is configured to be rotatable by each of the three-joint link means 30 with some movement in the vehicle width direction. It is connected and supported on the rail member 16.

On the other hand, the locking means 26 is provided in a state in which the bracket 27 fixed to the rail member 17, the locking pin 28 fixed on the bracket 27, and the hanging pin 28 corresponding to the locking pin 28 hang down from the seat 4. It is composed of a locking piece 29.

The tip of the locking pin 28 is bent outward at a substantially right angle to form an engaging claw 28a. On the other hand, the locking piece 29 is provided with a locking hole 29a into which the engaging claw 28a is inserted and engaged.

In the seat 4 configured as described above, the seat cushion portion 19 has the rail members 16, 1 as shown by the solid line in FIG.
7, the engaging claw 28a is engaged with the engaging hole 29
It is in a locked state in which it is engaged in a. Further, in this state, both ends of the seat cushion portion 19 are restrained by the three-bar linkage means 30 and the lock means 26, and the rotation of the seat 4 is blocked. Then, the link pieces 32, 3 at this time
3, 34 are arranged at the positions shown by the solid lines in FIG.
7 is substantially located on the vertical line indicated by the symbol C, and the support shaft 38 is indicated by the symbol E
It is located near the vertical line indicated by.

Next, in order to release the engagement or lock between the engagement claw 28a and the engagement hole 29a, the entire seat cushion portion 19 is pushed from the side in the direction of the symbol F in the figure. Then, the seat cushion portion 19 is moved in the horizontal direction to the position indicated by the alternate long and short dash line in the F direction in FIG. Also, this movement causes the engaging claw 2
The engagement between 8a and the locking hole 29a is released, and the lock is released. In addition, the position of the support shaft 37 at this time is substantially positioned on the vertical line indicated by the symbol D.

Further, the seat cushion portion 1 is released from the unlocked state.
When the portion of the rail 9 located on the side of the rail member 17 is lifted,
The seat 4 as a whole can be rotated counterclockwise in the figure, that is, to the seat 3 side in the driver's seat with the support shaft 37 as a fulcrum. Then, at the time of this rotation, each three-bar linkage means 30 is also operated so that the support shaft 37 is positioned in the vicinity of the vertical line indicated by the symbol F (the link piece 32 is in the position of the two-dot chain line), and the support shaft 38 is denoted by the symbol D. In the state where the link piece 34 is positioned near the vertical line (the position of the link piece 34 is indicated by the chain double-dashed line). As a result, the center of gravity of the seat 4 as a whole moves to the outside of the support shaft 37, the rotational movement of the seat 4 is maintained at the position indicated by the chain double-dashed line, and the passage 11 can be secured.

Further, when returning the sheet 4 to the normal position again, the upper portion of the sheet 4 is pushed back and rotated. Next, when the entire sheet 4 is pushed in the direction indicated by the symbol G and horizontally moved, the state returns to the state indicated by the solid line in the figure, and the engaging claw 28a is engaged with the engaging hole 29a to enter the locked state.

Therefore, this seat device is provided with the seat 4 as needed.
By pushing and rotating in a horizontal direction, it is possible to easily secure the passage between the front door and the rear seats 5, 6.

In addition, in the above-described embodiment, the case where the invention is applied to the one-box car has been described, but the present invention is not limited to the one-box car and can be used. Of course, the present invention can be variously modified within the scope of the invention.

[Advantages of the Invention] As described above, according to the vehicle seat device of the present invention, when the seat is horizontally moved via the three-section link means, the locking means is released and further rotated through the three-section link means. Since the seat is moved while being rotationally erected to the center side of the room by the three-bar linkage, it is possible to form a large empty space according to the movement amount, and this space allows the space between the rear seat and the front passenger entrance The passage can be easily secured.

Therefore, the present invention is, for example, when the rear entrance / exit is obstructed by an obstacle such as a fence, or when a two-door type is used, an elderly person with limited limbs can get on / off the rear seat from the front entrance / exit. It is extremely convenient and can improve practicality.

In contrast to the technology for rotating a seat described in Japanese Utility Model Laid-Open No. 63-59043, the present invention uses a three-bar linkage means as a rotating mechanism, so that horizontal movement can be obtained.
It can be efficiently moved to the center of the passenger compartment, and the unlocking of the locking means can be achieved simply by pushing the seat side portion in the horizontal direction.

[Brief description of drawings]

FIG. 1 is a partially exploded perspective view showing the structure of the main part of a vehicle to which an embodiment of the present invention is applied, FIG. 2 is a front view showing the structure of the main part of a seat in the same vehicle, and FIG. Same as above, which is a schematic side view for explaining the usage state of the seat, FIG. 4 is a schematic layout view of the main configuration of the same vehicle, and FIG. 5 is a schematic layout view of the main configuration of the conventional vehicle. 1 ... Vehicle 2 ... Vehicle compartment 3, 4 ... Front seat 5, 6 ... Rear seat 11 ... Passageway 16, 17 ... Rail member 26 ... Locking device 30 ... Three-section linking device 32 ... Long Link pieces 33, 34 ... Short link pieces

Claims (1)

[Scope of utility model registration request] 1. Two separate type front seats are arranged side by side in a passenger compartment, a rear seat is arranged behind the front seat, and an entrance / exit for each seat of the front seat is provided. In the vehicle seat device, at least one of the front seats is held on a rail member installed on the vehicle compartment center side and the vehicle side portion side of the floor, and via the rail member. A substantially inverted U-shaped link is formed from a seat slide means for adjusting the position in the front-rear direction of the vehicle body, and a long link piece and two short link pieces, and both ends of the U-shaped link are connected to the rail member side on the center side of the vehicle compartment. By pivotally supporting the top of the U-shaped link to the seat side, the seat can be horizontally moved in the vehicle width direction, and the three-section link means for connecting and supporting the seat in a rotatable manner in the standing direction; ~ side And a locking means for unlocking the seat when the seat is horizontally moved to the vehicle side and for locking the seat so that the seat is rotatable. A vehicle seat device.