JP4101593B2 - Wheelchair guidance structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wheelchair guiding structure for guiding a wheelchair on a floor to a driver seat position.
[0002]
[Prior art]
In recent years, vehicles using a wheelchair as a driver's seat have been devised.
[0003]
That is, a fixed driving seat is not provided at the driver's seat position of the vehicle, and a wheelchair that has been ridden indoors is moved to the driver's seat position, and this wheelchair is used as a driving seat. Thereby, it is comprised so that the seated person of a wheelchair can start a driving | operation, without getting off from a wheelchair.
[0004]
[Problems to be solved by the invention]
However, in such a vehicle, it has been difficult to move the wheelchair and align it with the driver's seat position.
[0005]
In particular, in a narrow vehicle in the passenger compartment, it takes a great deal of effort for the seated person to move the wheelchair himself and align it with the driver's seat position.
[0006]
The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a wheelchair guiding structure that facilitates movement of a wheelchair to a driver seat position.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, in the wheelchair guiding structure according to claim 1 of the present invention, in the wheelchair guiding structure for guiding a wheelchair provided with a caster ring that turns at the time of steering from the rear side of the vehicle to the driver seat position, while providing the guided portion projecting downward in a wheelchair, the vehicle body floor, extending to set towards the rail for guiding in the state sandwiching the guided portion from both sides from the driver's seat position rearward, the by the rail The guidance start position of the guided portion is set at the rear end of the rail, and the guided portion where guidance by the rail is started is moved to the driver seat position at the rear end portion of the rail. After entering the vehicle diagonally toward the vehicle, an approach route portion that guides straight forward toward the vehicle front is set .
[0008]
That is, when the boarded wheelchair is moved to the driver's seat position, the guided portion provided on the wheelchair is aligned with the rear end of the rail of the vehicle body floor, and the wheelchair is moved along the rail. Then, the wheelchair is guided to the driver seat position by the guided portion being guided along the rail.
[0010]
Further , when the guided portion of the wheelchair passes through the rail approach path portion, the wheelchair is temporarily moved to the side of the vehicle. At this time, the rolling direction of the steering caster ring provided in the wheelchair is directed to the side of the vehicle. Thereafter, since the wheelchair is moved toward the front of the vehicle, the rolling direction of the caster ring is directed toward the front of the vehicle.
[0011]
Furthermore, in the wheelchair guide structure according to claim 2, the guided portion as it goes toward the driver's seat position toward the driver's seat at a portion of the rail located on the vehicle front side from the approach path portion and on the side portion of the pillar of the vehicle. The first offset portion that guides the vehicle to the vehicle center side is set, and the guided portion is moved toward the driver seat position toward the driver seat position at the rail portion located at the side portion of the door pocket protruding from the driver seat side door. A second offset portion for guiding to the center side was set.
[0012]
That is, when the guided portion of the wheelchair passes the first offset portion of the rail, the wheelchair is guided to the vehicle center side, and interference with the pillar is prevented. Further, when the guided portion of the wheelchair passes the second offset portion of the rail, the wheelchair is guided to the vehicle center side, so that interference with the door pocket protruding from the driver side door is prevented.
[0013]
In addition, in the wheelchair guide structure according to claim 3 , an inclined surface that extends along the rail and becomes higher toward the edge side away from the rail is provided on a side portion of the rail. in terms constituted the caster guide portion for guiding the turning direction of the caster ring before Symbol wheelchair inside.
[0014]
That is, the side of the rail that guides the wheelchair is provided with an inclined surface that becomes higher toward the side, and this inclined surface constitutes a caster guide that guides the turning direction of the caster ring of the wheelchair inward. Yes. For this reason, when the wheelchair is retracted along the rail, the caster ring is reversed, but the turning direction at that time is the inside.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a wheelchair guiding structure according to the present embodiment, and an example in which the wheelchair guiding structure is employed in a one-box car as a vehicle is shown.
[0016]
That is, the one-box car includes a rear opening that is opened and closed by a back door, and includes a lifter that gets on and off the wheelchair 1 from the rear opening (not shown). The wheelchair 1 boarded by the lifter is configured to be able to move to the front seat side through a rear space formed by flipping up the rear seat.
[0017]
The wheelchair 1 includes an electric type, and the rear rigid rings 12 and 12 fixed to the frame 11 are driven by a motor. At the front part of the frame 11, caster rings 14 and 14 for turning about the shaft center 13 are provided, and the rotation range 15 is indicated by a broken line.
[0018]
On the frame 11, strikers 21, 21 having a U-shaped cross section project downward from two places between the rigid rings 12, 12. Further, the front end of the frame 11 is provided with extension portions 22 and 22 extending forward, and rods 23 and 23 extending downward from the extension portions 22 and 22 are provided. Large diameter heads 24, 24 are provided at the lower ends of 23, 23. A shaft 25 that protrudes downward is provided at the center of the lower surface of the frame 11, and a large-diameter roller 27 is rotatably provided at the lower end of the shaft 26 via a bearing. . Thus, the guided portion of the present invention is constituted by the roller 27 provided on the shaft 26.
[0019]
On the vehicle body floor 31 of the one-box car, a rail 32 for guiding the roller 27 extends from the driver seat position 33 toward the vehicle rear R. The rail 32 is composed of a pair of angle members 33 and 33 having an L-shaped cross section that are spaced apart from each other, and the roller 27 is disposed between the standing walls 34 and 34 of the angle members 33 and 33. The roller 27 can be guided along the rail 32.
[0020]
The rear end of the rail 32 is open, and an opening 41 that constitutes a guide start position of the roller 27 by the rail 32 is provided. At the rear end of the rail 32 provided with the opening 41, the upright walls 34, 34 of the angle members 33, 33 are configured to be separated from each other, and the opening 41 expands toward the rear end. The roller 27 is configured to be easily entered.
[0021]
The rear end portion of the rail 32 is bent in a direction in which the roller 27 started to be guided by the rail 32 is moved to the driver's seat position 33 and thus guided to the right side of the vehicle. On the driver seat position 33 side, a linear portion 52 extending in the vehicle front-rear direction is formed. As a result, an entrance path 53 is formed at the rear end of the rail 32 to guide the roller 27 toward the driver's seat position 33 and thus guide it to the right side of the vehicle and then guide it to the front F of the vehicle.
[0022]
A portion of the rail 32 positioned on the side of the pillar 61 of the one-box car is formed with a first curved portion 63 that is curved toward the vehicle center 62, and the first curved portion 63 allows the roller 27 to be A first offset portion 64 is provided that guides to the vehicle center 62 side as it moves to the driver seat position 33 side. A straight line portion 65 extending in the vehicle front-rear direction is formed on the vehicle front F side from the first curved portion 63.
[0023]
Further, a portion of the rail 32 located on the side of the door pocket 72 protruding from the driver seat side door 71 is formed with a second curved portion 73 curved toward the vehicle center 62, and the second curved portion 73. As a result, a second offset portion 74 is configured to move the roller 27 toward the driver seat position 33 and thus guide the roller 27 toward the vehicle center 62. A straight portion 75 extending in the vehicle front-rear direction is formed on the vehicle front F side from the second curved portion 73, and the front end of the straight portion 75 reaches the driver seat position 33.
[0024]
A lock mechanism 81 for fixing the wheelchair 1 guided along the rail 32 is provided in the vehicle front F from the rail 32. The lock mechanism 81 is provided on the base 83 of the fixing device 82, and engaging claws 84, 84 that engage with the strikers 21, 21 of the wheelchair 1 are raised on both sides of the base 83. . The lock mechanism 81 is provided with latches 85 and 85 for detachably engaging the rods 23 and 23 of the wheelchair 1, and the latches 85 and 85 are connected to a console via a cable 86. The release lever 88 of the box 87 is connected. As a result, when the rods 23 and 23 enter the latches 85 and 85, the latches 85 and 85 automatically lock the rods 23 and 23, while when the release lever 88 is manually operated. The rods 23 and 23 are unlocked by the latches 85 and 85.
[0025]
Caster guide portions 91, 91 extending in the vehicle front-rear direction along the rail 32 are provided on both sides of the rail 32 at the driver seat position 33 where the lock mechanism 81 is provided. The caster guide portions 91, 91 are formed in a plate shape, and the upper surface of the caster guide portions 91, 91 forms an inclined surface 92 that increases from the inner edge on the rail 32 side toward the outer edge farther from the inner edge. The inclined surfaces 92 and 92 are configured so that the turning direction of the caster rings 14 and 14 of the wheelchair 1 can be guided inward.
[0026]
In the present embodiment according to the above configuration, when the wheelchair 1 riding in the rear space of the one-box car is moved to the driver seat position 33, the roller 27 provided on the wheelchair 1 is moved to the rail 32 of the vehicle body floor 31. The wheelchair 1 is moved along the rail 32 while being aligned with the opening 41 at the rear end. Then, since the roller 27 is guided along the rail 32, the wheelchair 1 is guided to the driver seat position 33.
[0027]
Thus, the wheelchair 1 can be reliably guided to the driver seat position 33 only by moving the wheelchair 1 along the rail 32. For this reason, compared with the case where the wheelchair 1 must be operated and moved to the driver's seat position 33, the wheelchair 1 can be easily aligned. Therefore, even if the vehicle is narrow in the passenger compartment, problems caused by alignment can be solved.
[0028]
Moreover, when the roller 27 of the wheelchair 1 passes the approach path | route part 53 set to the rail 32, the wheelchair 1 is once moved to the right. At this time, the rolling direction of the caster rings 14 and 14 provided in the wheelchair 1 is directed rightward. Thereafter, since the wheelchair 1 is moved toward the vehicle front F, the rolling direction of the caster rings 14 and 14 is directed toward the vehicle front F.
[0029]
Thus, since the rolling direction of the caster rings 14 and 14 of the wheelchair 1 can be once directed to the right and then directed to the vehicle front F, the caster rings 14 and 14 are always directed to the vehicle front F. It can be fixed to the driver's seat position 33 in the state where
[0030]
Further, when the roller 27 of the wheelchair 1 passes through the first offset portion 64 of the rail 32, the wheelchair 1 is guided to the vehicle center 62 side, and interference with the pillar 61 is prevented. Further, when the roller 27 of the wheelchair 1 passes through the second offset portion 74 of the rail 32, the wheelchair 1 is further guided to the vehicle center 62 side, so that the door pocket 72 protruding from the driver seat side door 71 and Interference is prevented.
[0031]
Thus, since the interference with the pillar 61 of the wheelchair 1 and the interference with the door pocket 72 can be prevented, the damage prevention effect can be obtained, and the ease of movement can be enhanced.
[0032]
In addition, caster guide portions 91 and 91 extending in the vehicle front-rear direction are provided on the side portion of the rail 32 that guides the wheelchair 1, and the upper surfaces of the caster guide portions 91 and 91 are on the rail 32 side. An inclined surface 92 that becomes higher as it goes from the inner edge toward the outer edge is formed, and the turning direction of the caster rings 14 and 14 of the wheelchair 1 is guided inward.
[0033]
For this reason, when the wheelchair 1 moves backward toward the vehicle rear R side, the turning direction of the caster rings 14 and 14 to be reversed can be determined inside the shaft center 13. Thereby, compared with the case where the caster rings 14 and 14 are swung to the outside about the shaft center 13, it is possible to prevent the caster rings 14 and 14 from interfering with the door pocket 72 and the console box 87.
[0034]
【The invention's effect】
As described above, in the wheelchair guiding structure according to claim 1 of the present invention, the guided portion provided in the wheelchair is aligned with the rail rear end of the vehicle body floor, and the wheelchair is moved only by moving the wheelchair. It is possible to reliably guide to the driver seat position.
[0035]
For this reason, compared with the case where a wheelchair must be operated by itself and moved to a driver's seat position, alignment becomes easy. Therefore, even if the vehicle is narrow in the passenger compartment, problems caused by alignment can be solved.
[0036]
Furthermore, by passing the approach route portion of the rail guided portion of the wheelchair, the rolling direction of the wheelchair caster ring, once directed to the vehicle towards, can be directed to the front of the vehicle. Thereby, the caster ring can always be directed forward.
[0037]
Furthermore, in the wheelchair guide structure according to claim 2, the guided portion of the wheelchair is allowed to pass through the first and second offset portions of the rail, thereby preventing the interference with the pillar of the wheelchair and the interference with the door pocket. it can. Thereby, while being able to aim at damage prevention, the ease of movement can be improved.
[0038]
In addition, in the wheelchair guide structure according to the third aspect , the turning direction of the caster ring to be reversed can be determined inward when the wheelchair is retracted. Thereby, compared with the case where a caster ring turns to the side, the interference to the side part of a caster ring can be prevented.
[Brief description of the drawings]
FIG. 1 is a partially transparent view showing a plane according to an embodiment of the present invention.
[Explanation of symbols]
1 Wheelchair 14 Caster Ring 27 Roller 31 Body Floor 32 Rail 33 Driver's Seat Position 41 Opening
52 Straight part 53 Approach route 61 Pillar 62 Vehicle center 64 First offset part 71 Driver side door 72 Door pocket 74 Second offset part 91 Caster guide part 92 Inclined surface

Claims (3)

In the wheelchair guiding structure for guiding a wheelchair equipped with a caster ring that turns at the time of steering from the rear side of the vehicle to the driver's seat position,
While providing the guided portion projecting downward in the wheelchair, the vehicle body floor, extending to set towards the rail for guiding in the state sandwiching the guided portion from both sides from the driver seat position rearward, by said rail The guidance start position of the guided portion is set at the rear end of the rail, and the guided portion where guidance by the rail is started is moved to the driver seat position at the rear end portion of the rail. A wheelchair guiding structure characterized by setting an approach route section that guides straight toward the vehicle and then guides straight toward the front of the vehicle . A first offset portion that guides the guided portion toward the center of the vehicle toward the driver's seat position toward the driver's seat at a portion of the rail located on the vehicle front side from the approach path portion. And a second offset portion for guiding the guided portion toward the center of the vehicle toward the driver seat position at a portion of the rail located at a side portion of the door pocket protruding from the driver seat side door. Wheelchair guiding structure according to claim 1 Symbol mounting, characterized in that the. Extending along the rail, a high becomes inclined surface toward the edge side remote from the rail provided on the side of the rail, at the inclined surface, inward turning direction of the caster ring before Symbol wheelchairs Wheelchair guiding structure of claims 1 or 2 wherein a configured caster guide portion for guiding the.

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