JP3264237B2 - Elevating seat device for vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle elevating seat device for a passenger such as an elderly person or a physically handicapped person to easily get on and off the vehicle.

[0002]

2. Description of the Related Art Conventionally, this type of vehicle elevating seat apparatus 10
As shown in FIG. 12, as shown in FIG. 12, a seat holder 110 to which a seat body 102 is attached, upper and lower link arms 105,
A lifting device 103 using a four-bar linkage including a base 104 and a base 106 is known. The lifting device 103 is mainly composed of a left-right paired four-bar linkage, and one ends of the link arms 104 and 105 are connected to the left and right side edges 10 of the base 106.
6a is pivotally attached to 104a 105a, and the other end is seat holder 110
Are pivotally mounted 104b, 105b at predetermined positions on the left and right side surfaces of the vehicle. A connecting bar 107 having an operating nut (not shown) is mounted at a predetermined position between the left and right link arms 104, and an actuator 108 rotatably mounting an operating screw 109 is mounted on the base 106 side. The operating screw 109 is screwed to the operating nut. Although not shown, the elevating device 103 thus formed has a base 106 slidably mounted on a slide rail mounted on the floor of the vehicle via a turntable.

[0003] The seat body 102 of the vehicle elevating seat device 101 provided in this manner is normally directed to the front side. When an elderly person or a physically handicapped person (hereinafter referred to as an occupant) sitting on the seat body 102 gets off, the turntable is rotated with the door opening on the side of the vehicle opened, and the actuator 108 of the elevating device 103 is turned on. Is actuated in the down direction, the link arms 104 and 105 are tilted out of the vehicle via the operation nut screwed with the operation screw 109,
The seat body 102 stops at a predetermined height position, and the occupant switches to a wheelchair with the help of a caregiver. In addition, when boarding, the occupant switches from the wheelchair to the seat body 102 with the help of the caregiver, operates the actuator 108 to the lift-up side, pulls it into the vehicle interior, turns, and returns to the original position. It is supposed to.

[0004]

However, in this conventional vehicle elevating seat apparatus 101, the occupant is seated in the seat body.
A caregiver is required to switch between 102 and a wheelchair,
There was a problem that required a lot of labor for the caregiver. SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is possible to minimize the care of a caregiver when changing occupants, and to stably support a seat main body for a vehicle. It is an object to provide a seat device.

[0005]

SUMMARY OF THE INVENTION Accordingly, the present invention provides
A vehicle elevating seat device having the configuration described in each of the claims and
I did .

[0006]

According to the first or second aspect of the present invention, the elevating seat for a vehicle is provided.
According to the winding device, together with the seat is movable between a floor and on the outside the vehicle cabin by the operation of the elevator device, a car
Example by moving outside and separating from the lifting device
For example, it can function as a wheelchair seat
Thus, the occupant can move onto the seat frame of the wheelchair waiting outside the room while sitting on the seat, and can enter the vehicle interior from the seat frame of the outside wheelchair while sitting. For this reason, the caregiver can save the trouble of caring for the occupant and changing to the wheelchair as in the related art, so that the labor of the caregiver can be greatly reduced. Also, after moving the seat outside the cabin, the four-section link
By separating from the mechanism, as the seat portion of the wheelchair
Since it can function , the riding comfort on a wheelchair can be improved. Also, for the four-bar linkage
Since the mounting and dismounting structure of the seat is a very simple structure including an anchor plate, a lock bolt, and a lock knob, it can be easily applied to a current elevating seat apparatus.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to FIGS.
A description will be given based on FIG. The vehicle elevating seat device 1 according to the present embodiment exemplifies a case where the vehicle is set to a passenger seat on the left side of a driver's seat as shown in FIG. Accordingly, the vehicle elevating seat device 1 can be moved to the outside of the cabin through the opening D by rotating the seat device 1 approximately 90 ° to the left (counterclockwise in plan view).

[0008] The vehicular lift seat device 1 according to the present embodiment comprises a seat body 2 and a lift device 5 for moving the seat body 2 between a floor above the vehicle cabin and outside the vehicle cabin.
0, a rotary support 10 for rotatably supporting the sheet body 2 and the elevating device 50, the sheet body 2 and the elevating device 50
And a longitudinal support 30 for moving the rotary support 10 in the longitudinal direction of the vehicle. The details of the seat body 2 and the elevating device 50 are shown in FIGS. 2 and 5, and the details of the rotary support 10 and the front-back support 30 are shown in FIG. In each of the drawings, the front of the vehicle is indicated by an arrow “front”, and the door opening side is indicated by an arrow “outside”.

First, the rotary support 10 and the front-back support 30 will be described with reference to FIGS. As shown in FIG. 3, the rotation support base 10 includes two moving-side holding members 1 parallel to both ends of bases 12 and 12 at regular intervals.
1 and 11 are attached, and both bases 12 and
A rotating ring 13 is attached to the upper surface of the reference numeral 12. Although not shown, the rotary ring 13 has an outer ring 13a.
A large number of steel balls are sandwiched between the inner ring 13b and the other, and the other is smoothly rotated without rattling with respect to one. The outer ring 13a is fixed to the bases 12 and 12, and the inner ring 13b will be described later. The lifting device 50 is fixed to the lower surface of the bottom edge 53b, so that the lifting device 50 and thus the sheet body 2 are rotatably supported on the upper surface side of the rotary support base 10. The rotating ring 13 is mounted on the lower surface of the seat cushion 2a of the seat body 2 near the outside of the cabin. As a result, when the seat body 2 is rotated by about 90 ° to the outside of the cabin, the seat body 2 projects a predetermined amount to the outside of the cabin.

As shown in FIG. 3, a lock pin 74c of a rotation lock member 74 provided on the lifting device 50 is engaged and disengaged at two positions, that is, a rear portion and a right portion (a side portion on the indoor side) of the rotation support base 10. Lock plates 71 and 72 are attached (see FIG. 6). The lock recesses 7 into which the lock pins 74c are fitted are engaged with the lock plates 71 and 72.
1a and 72a are formed.

As shown in FIG. 4, a V-shaped groove 11a is formed on the outer surfaces of the two moving-side holding members 11, 11 of the rotary support base 10. On the other hand, fixed-side holding members 32,
32 are arranged in parallel at a fixed interval from each other.
Both fixed side holding members 32, 32
A groove 32a similar to the groove 11a is also formed on the side surface facing the moving-side holding member 11 so as to face the outer side of the first and second moving members 11. A large number of steel balls 3 are inserted between the movable holding member 11 and the fixed holding member 32 arranged in such a manner as to be fitted into the grooves 11a and 32a.
3 to 33 are sandwiched therebetween, thereby forming a pair of right and left linear guide mechanisms 34, 34. The rotation support table 10 and, consequently, the elevating device 5 are driven by the two linear guide mechanisms
0 and the seat body 2 can be smoothly moved along the front-rear direction of the vehicle without play. The roller is not limited to the steel ball 33, and may be a cylindrical roller. Although not shown, the front-rear direction support base 31 is fixed to the vehicle floor with bolts, whereby the vehicle elevating seat apparatus 1 is installed at a predetermined position (passenger seat position) in the vehicle cabin.

An elevating device 50 is provided on the inner ring 13b of the rotating ring 13 attached to the rotating support 10 provided as described above.
Is installed. As shown in FIG. 5, the lifting device 50 mainly has a pair of left and right four-bar linkages, and has a function of moving the seat body 2 from indoor to outdoor or vice versa by expanding and contracting the four-bar linkages. Have.

The base 53 of the lifting device 50 has a bottom edge 53.
b and side edges 53a rising parallel to each other on both sides thereof,
The base 53 has a substantially U-shape, and a bottom edge 53b of the base 53 is provided with a rotation lock mechanism 70 for locking the operation of the rotation support base 10.

The rotation lock mechanism 70 has a rotation lock release lever 73 and a rotation lock member 74 as shown in FIG. The rotation lock release lever 73 is provided on the lower surface of the distal end portion of the left side plate 22 of the sheet holder 21 described later so as to be vertically operable via a bracket 73b. Although not shown, the rotation lock release lever 73 is urged by a tension spring (or a torsion spring) in a direction in which the distal end moves upward.

The rear end 73 of the rotation lock release lever 73
a (lower end) is in contact with one end of an intermediate member 75 attached near the front left corner of the base 53 of the elevating device 50 via a bracket 76. This intermediate member 75 has a fulcrum 75
and is supported rotatably in the horizontal direction via a. Therefore, when the rotation lock release lever 73 is pressed down against the urging force, the rear end 73a is displaced rearward, whereby one end of the intermediate member 75 is pushed and rotates in the counterclockwise direction.

An end of an operation wire 77 is connected to the other end of the intermediate member 75. The operation wire 77 reaches the vicinity of the rear left corner of the base 53 via the inner peripheral side of the protective tube 78. At the rear left corner of the base 53, a rotation lock member 74 is mounted via a bracket 79 so as to be rotatable in the horizontal direction via a support shaft 74a. A lock pin 74c is attached to the support shaft 74a on the indoor side, and a hook 74d is provided on an end on the outdoor side. Since a tension spring 74b is attached between the end of the rotation lock member 74 on the indoor side and the bracket 79, the rotation lock member 74 locks the lock pin 74c in the direction of pulling the lock pin 74c, that is, the lock attached to the front-rear direction support base 30. Plate 71,
It is urged in a direction (locking direction) in which it is fitted into the locking recesses 71a, 72a of the 72.

On the other hand, the other end of the operation wire 77 is hooked on the hook 74d. Therefore, as described above, the intermediate member 75 is connected to the rear end 7 of the rotation lock release lever 73.
When pressed and rotated by 3a, the operation wire 77 is pulled forward, whereby the rotation lock member 74 rotates in the unlocking direction (clockwise) against the tension spring 74b, thereby locking the lock pin 74c. The rotation lock is released from the lock concave portions 71a, 72a of the plates 71, 72. When the rotation lock is released, the elevating device 50 becomes rotatable.

When the rotation operation of the rotation lock release lever 73 is released, the rotation lock member 74 is returned in the locking direction by the tension spring 74b, whereby the lock pin 74c is returned to a position where it can be engaged with the lock plates 71, 72. It is. In this state, when the seat body 2 is rotated to the seating position or the sideways position facing the door opening side, the lock pin 74c is rotated by one of the rotation lock plates 71 (72).
Of the seat body 2 so that the seat body 2 cannot be rotated at that position.
When the seat body 2 is located at the seating position facing the front of the vehicle, the locking member 74 is locked by the rear rotation lock plate 71, and the seat body 2 is positioned at the sideways position facing the door opening side. The lock member 74 is locked to the lock plate 72 on the indoor side.

In this manner, the seat body 2 which can be rotated between the seating position facing the front of the vehicle and the lateral position facing the door opening side is attached to the base 53 of the lifting device 50 via the four-bar linkage. I have. As shown in FIG. 2, the seat body 2 includes a seat cushion 2a and a seat back 2b, and the seat body 2 is mounted on a seat holder 21.

The sheet holder 21 is shown in FIGS.
As shown in the figure, left and right substantially rectangular side plates 22, a flange portion 22b extending inward along a lower edge of a horizontal portion 22a of the side plate 22, and a flange portion 22b
And a horizontal frame 23a, 23b provided in front and behind the lower surface of the frame. An inclined portion 22c along the side surface of the seat back 2b of the seat body 2 is formed integrally with the base of the horizontal portion 22a of the side plate 22, and the upper and lower sides of the inclined portion 22c A pin hole 22d for connecting to the four-bar link mechanism is formed through the lock hole, and a lock bolt 24 having a predetermined length is protruded outward from a central portion between the pin holes 22d. The front and rear horizontal frames 23a and 23b are attached at predetermined intervals to a wheelchair 90 described later.
A hook member 25 for detachably attaching to the camera is mounted correspondingly. A footrest 26 on which an occupant places his / her foot is foldably mounted substantially at the center of the front horizontal frame 23a (see FIG. 10).

The seat body 2 thus attached to the seat holder 21 is detachably attached to the elevating device 50. As shown in FIG. 5, the lifting device 50 is mainly composed of a pair of left and right four-bar linkages, and the seat body 2 is moved by expanding and contracting the four-bar linkages.
1 has a function of moving from indoor to outdoor or vice versa. A first bar link mechanism is formed on both side edges 53a of the base 53 of the lifting device 50.
And the second link arms 51, 52
a, 52a so as to be rotatable in the longitudinal direction of the vehicle. Since the connecting bars 54, 55 are bridged between the rear second link arms 52, 52, the two second link arms 52, 52 rotate integrally. Both ends of the lower connecting bar 54 are rotatably supported on both side edges 53a, 53a of the base 53.
The axis of 4 serves as a rotation fulcrum 52a of the second link arm 52.

The distal ends of the first link arm 51 and the second link arm 52 are attached to and detached from the sheet holder 21 as shown in FIGS. 7 (a) and 7 (b). Are formed integrally with fitting sleeves 51b and 52b which are rotatably fitted into the pin holes 22d of the side plate 22 of the sheet holder 21. A substantially rectangular connecting arm 56 is mounted between the fitting sleeves 51b and 52b via a fitting hole, whereby the fitting sleeves 51b and 52b correspond to the pin holes 22d of the seat holder 21. To fit. Also,
The side plate 2 is provided substantially at the center of the connecting arm
Insertion hole 56a through which the lock bolt 24 projecting from
Is pierced. An anchor plate 57 provided separately is attached to the opposite side of the connecting arm 56 so that the seat holder 21 can be attached and detached.

As shown in FIG. 7 (a), the anchor plate 57 is formed in a substantially rectangular shape substantially corresponding to the connecting arm 56, and one surface thereof is fitted to the fitting sleeves 51b, 52b of the link arms 51, 52. Anchor pins 57a of a predetermined length to be inserted are protruded at predetermined intervals, and an insertion hole 57b through which the lock bolt 24 protruded from the side plate 22 is inserted is penetrated between the anchor pins 57a. The left and right link arms 51, 5 thus provided
2, the lock bolts 24 of the left and right side plates 22 of the seat holder 21 to which the seat body 2 is attached are inserted into the insertion holes 56a of the connecting arm 56, and the fitting sleeves 51b and 52b are inserted into the pin holes 22d, respectively. The seat body 2 is mounted by inserting the anchor pins 57a of the anchor plate 57 into the fitting sleeves 51b and 52b from the outside in the fitted state, and screwing the lock knob 58 into the lock bolt 24 inserted into the insertion hole 57b. The seat holder 21 is detachably attached to the distal ends of the left and right four-bar linkages.

Next, two L-shaped support arms 59, 59 are fixed substantially at the center of the lower connection bar 54, and a four-bar linkage is provided via both support arms 59, 59. An actuator 60 as a drive source of the elevating device 50 is mounted between the vehicle and the vehicle floor side.
As shown in FIG. 8, the actuator 60 mainly includes an electric motor 61, a gear box 62, and a ball screw 63. When the electric motor 61 is started, the screw shaft 63a is amplified by the torque amplified by the gear box 62. By rotating, the nut 63b in the form of a block that is screw-fitted to the screw shaft 63a moves in the axial direction of the screw shaft 63a.

The screw shaft 63a is rotatably supported by a cylindrical screw shaft case 63c mounted on the output shaft side of the gear box 62.
The rotation support points 59a, 59 are provided by the book support arms 59, 59.
It is supported rotatably up and down through a. On the other hand, plate-like brackets 63d and 63 are provided on both sides of the nut 63b.
d is attached, and the front ends of both brackets 63d, 63d are connected via a support shaft 64 to the vicinity of the front end of the upper surface of the bottom edge 53b of the base 53 so as to be rotatable up and down. As described above, in the present embodiment, the actuator 60 is assembled in such a direction that the screw shaft 63a is located on the front side of the seat body 2 and the gear box 62 is located on the rear side of the seat body 2.

The actuator 6 thus assembled
0, when the electric motor 61 is started in the normal rotation direction with the seat body 2 facing the door opening, the screw shaft 6
3a rotates and the nut 63b relatively moves to the tip end side of the screw shaft 63a. However, the nut 63b rotates in the up-down direction, but in the front-rear direction (the vehicle width direction at this stage).
Therefore, the screw shaft 63a and thus the actuator 60 itself move to the rear side of the seat body 2.
This state is shown in FIG. As shown in the drawing, when the actuator 60 (except for the nut 63b) moves rearward, the support arms 59, 59 and the connecting bar 54 rotate counterclockwise in FIG. 5, whereby the second link arm 52 becomes a fulcrum. It turns around 52a toward the outdoor side (left side in the figure).

The rotation of the second link arm 52 to the outdoor side causes the connection arm 56 and the anchor plate 5 to rotate.
The first link arm 51 pivots forward through 7, and the operation of the four-bar linkage causes the sheet holder 21 (side plate 22) to swing outward along a predetermined locus. When the seat holder 21 is swung out in this manner, the seat body 2 is lowered from the seating height in the room to a position outside the room (in FIG. 9, a position shown by a solid line and a position shown by a two-dot chain line).
Go to When the electric motor 61 is rotated in the reverse direction, the seat holder 21 moves in the predetermined locus in the reverse direction, and the seat body 2 is returned from a low position outside the room to the sitting height in the room.

The left and right sides and the rear part of the front-back support 30 are covered with covers 41, 42, and 43, respectively, to prevent malfunctions caused by foreign substances being caught, and to improve the appearance.

In order to cope with the seat body 2 which is detachably provided via the seat holder 21 as described above, the wheelchair 90 is configured as follows. This wheelchair 90
Is a general one, and as shown in FIG. 10, a seat frame 21 having a symmetric body frame 91 connected by a cross bar (not shown) to which the seat body 2 is mounted.
Is provided so as to be able to be placed, and is provided so as to be foldable at a central portion side.

The main body frame 91 has a front frame 92, a rear frame 93, and a seat frame 94 horizontally laid at predetermined heights of the frames 92 and 93. However, an arm frame is formed. The rear frame 93 is extended to the upper side to form a handle portion 95. A lower frame 96 is provided at a lower side of the seat frame 94. The lower frame 96 is formed to be bent to a rear side, a front side is connected to a lower part of the front frame 92, and a rear side is a lower end of a rear frame 93. To the extension portion 9
6b are formed. A caster 97 is attached to the lower end of the front frame 92 via a bearing.
A large wheel 98 is located at a predetermined height of the rear frame 93.
Are rotatably mounted.

The left and right body frames 91 thus formed are foldably connected by a cross bar, and the left and right front frames 92 and the rear frames 93 are provided.
At a predetermined position on the upper side, a lever-type latch metal 99 for engaging and disengaging with a hook member 25 attached to the reinforcing frames 23a and 23b at the front and rear of the seat holder 21 is attached.

Next, an operation procedure of the vehicular lifting seat apparatus 1 configured as described above will be described with reference to FIG. 11 (A), (B), (C) and (D), the rear position of the vehicle longitudinal movement range is indicated by a reference symbol L0 with reference to the rotation center of the seat body 2 (the rotation center of the rotation ring 13), and Position L1
In addition, the indoor side position of the moving range in the vehicle width direction is denoted by reference numeral W0, and the outdoor side position is denoted by reference numeral W1.

FIG. 11A shows a state where the seat body 2 is located at the seating position. In this sitting position, the operator (caregiver) pushes down the rotation lock release lever 73 to release the rotation lock mechanism 70, and then rotates the seat body 2 toward the door opening D (counterclockwise direction in the figure). I do.

Next, the operator prepares the wheelchair 90 and mounts the seat holder 21 on which the seat body 2 of the door exit D is mounted.
In the vicinity of the descent position. Then, the lifting device 50
The electric motor 61 is rotated forward to swing the seat holder 21 to the outside of the room via the four-bar linkage, thereby moving the seat body 2 from the indoor position W0 in FIG.
1 (D), while being lowered to a predetermined height while moving to the outdoor position W1, the reinforcing frames 23a and 23b before and after the seat holder 21 are placed on the left and right seat frames 94 of the wheelchair 90. You. After the seat body 2 has been lowered to a predetermined height outside the room, the electric motor 61 stops and the elevating device 50 stops (see FIG. 10).

In this state, a latch 99 attached to the front frame 92 and the rear frame 93 of the wheelchair 90.
Is hooked on the hook member 25 attached to the seat holder 21, the lock knob 58 on the distal end side of the link arms 51 and 52 is removed, and the anchor plate 57 is further removed. Thus, by moving the wheelchair 90 forward, the seat holder 21 with the seat body 2 attached thereto can be detached from the tip of the four-bar linkage. Then, the anchor pin 57a of the removed anchor plate 57 is inserted into the pin hole 22d of the seat holder 21, and the lock knob 58 is screwed into the lock bolt 24 protruding from the insertion hole 57b, so that the anchor plate 57 is fixed to the seat holder 21. To wear. As a result, the occupant seated on the seat body 2 is transferred to the wheelchair 90 while sitting indoors, and can act by operating the wheelchair 90.

As shown in FIG. 11D, in the process of moving the seat body 2 out of the vehicle by the operation of the elevating device 50, even if the opened door Dr receives a force in the closing direction due to, for example, wind, the seat is not affected. The door is held in the opening direction by the seat cushion 2a of the main body 2, so that the door does not interfere during the getting on / off operation.

To return to the vehicle from the wheelchair 90 on which the seat holder 21 to which the seat body 2 on which the occupant is seated is mounted, is transferred from the wheelchair 90 to the vehicle side, the caregiver operates the four-bar linkage of the lifting device 50 through the door opening D. The position where the seat holder 21 is detached by being tilted out of the room. The left and right anchor plates 5 attached to the seat holder 21 on the wheelchair 90
7 together with the lock knob 58, and the upper sides of the inclined frames 22 c of the left and right side plates 22 are connected to the link arms 5.
The pin holes 22d and the fitting sleeves 51b and 52b are fitted and aligned between the connecting arms 56 attached to the distal ends of the first and second fittings 52. The seat holder 21 to which the seat body 2 is attached is connected to the tip of the four-bar linkage by screwing the lock knob 58 to the lock bolt 24 with the anchor pin 57a of the anchor plate 57 inserted and connected from the side. You. In this state, the latch 99 of the wheelchair 90 is removed from the hook member 25 of the seat holder 21.

Then, in order to return the seat body 2 located at the outdoor position W1 to the original seating position, the electric motor 61 is rotated in reverse to operate the elevating device 50 in the reverse direction, thereby raising the seat body 2. While returning to the indoor side position W0 shown in FIG. At this point, the electric motor 61 stops, and the lifting device 50 stops. Thereafter, the rotation lock mechanism 70 is released, and the seat body 2 is rotated manually toward the indoor side by manual operation. Therefore, the occupant can leave the wheelchair 90 and get into the passenger compartment while sitting on the seat body 2 attached to the seat holder 21 on the wheelchair 90.

As described above, the seat holder 21 on which the seat body 2 is mounted can be moved between the floor on the vehicle interior and the swinging position outside the vehicle interior by the operation of the elevating device 50, and the seat body 2 is mounted. Seat holder 22
Is detached from the elevating device 50 and functions as a seat portion of the wheelchair 90.
At the same time, the user can move onto the seat frame 94 of the wheelchair 90 waiting outside the room while sitting on the seat body 2, and the occupant can get into the vehicle interior with the seat holder 21 while sitting on the seat body 2 from the wheelchair 90. As a result, the caregiver can eliminate the trouble of caring for the occupant and changing the wheelchair as in the related art, and can significantly reduce the labor of the caregiver.

The seat body 2 is provided with a seat holder 21.
Together with the seat portion of the wheelchair 90,
Riding comfort can be improved. The attachment / detachment structure of the seat holder 21 includes the seat holder 21, the anchor plate 57, the lock bolt 24, and the lock knob 5.
Since it has a very simple configuration of 8, it can easily cope with the current lifting device.

[Brief description of the drawings]

FIG. 1 is a plan view of a vehicle showing an arrangement of a vehicle elevating seat device in a room.

FIG. 2 is a perspective view of a seat body.

FIG. 3 is a perspective view of a rotary support and a front-back support.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a perspective view of a lifting device.

FIG. 6 is a perspective view of a rotation lock mechanism.

FIG. 7A is an exploded perspective view showing a seat holder to which a seat body is attached and a distal end side of a four-bar linkage. FIG. 8 (b) is a sectional view taken along line BB of FIG. 7 (a).

FIG. 8 is a perspective view of an actuator.

FIG. 9 is a side view showing an operation state of the elevating sheet device.

FIG. 10 is a side view showing a relationship between a wheelchair and a seat holder to which a seat body is attached.

11A and 11B are plan views showing the operation of the vehicle elevating seat device, wherein FIG. 11A is a seat body in a seated position, and FIG.
The seat body rotated to the door opening side, (C) shows the seat body in the horizontal position, and (D) shows the seat body that has fallen out of the room.

FIG. 12 is a side view of a conventional elevating sheet device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Elevating seat apparatus for vehicles 2 Seat main body 10 Rotation support stand (rotation means) 21 Seat holder 22 Side plate 22a Horizontal part 22c Inclined part 22d Pin hole 23a, 23b Horizontal frame 24 Lock bolt (fastening means) 30 Front-back support stand ( Back-and-forth direction moving means) 50 Vehicle elevating seat device 51 First link arm 52 Second link arm 51b, 52b Fitting sleeve (fastening means) 53 Base 56 Connecting arm 57 Anchor plate (fastening means) 57a Anchor pin (fastening means) 58 Lock Knob

Claims (2)

(57) [Claims] 1. A vehicle in which a seat is provided so as to be able to move up and down on a vehicle interior floor and outside a vehicle interior by a four-bar linkage mechanism in which the distal ends of upper and lower right and left link arms attached to the vehicle are connected by connecting arms. a use lifting seat device, before Symbol connecting arm is detachably connected via the fastening means on both sides <br/> of the seat, said fastening means, the side of the seat
And the lock bolt provided in the
Through holes for insertion and holes provided on both sides of the insertion holes.
An anchor plate having a carpin and the connecting arm
And provided on the side of the seat body, and the lock bolt is
A pin into which the anchor pin is inserted when inserted into the insertion hole
Hole and the hole inserted through the insertion hole of the anchor plate.
A lift seat device for a vehicle, comprising: a lock knob that is fastened to a lock bolt . 2. The vehicle lift seat device according to claim 1, wherein the seat is a seat for mounting a seat body.
Comprising a Tohoruda, the sheet holder has a side plate positioned along the sides of the seat body, the
An elevating seat device for a vehicle , wherein the lock bolt is provided on a side plate .