JP2009066053A - Wheelchair lifter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To propose a wheelchair lifter which permits the wheelchair to be easily loaded onto and unloaded from a vehicle. <P>SOLUTION: The wheelchair lifter 2 has a lifting base 10 horizontally lifted by four hydraulic cylinders 11 to 14, and front side casters 22 and 23 and 24 and 25 attached to the outside periphery of the front side hydraulic cylinders 11 and 12, and loop ropes 26 and 27 functioning as a handle are attached between the front side casters 22 and 23, and between the front side casters 24 and 25. Grasping the right and left ropes 26 and 27 and pulling up the wheelchair lifter 2 onto the floor 41 of the vehicle makes the font side casters 23 and 25 butt against the rear edge of the floor, and the wheelchair lifter 2 tilts forward on the casters and becomes horizontal. After that, since the wheelchair lifter 2 is brought into a supported condition by the front side casters 22 to 25, the wheelchair lifter 2 can be easily pushed into a vehicle interior along the top face 3a of a floor plate 3. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a wheelchair elevator used for getting on and off a wheelchair with a person on a wagon or a one-box vehicle. More specifically, the present invention relates to a wheelchair elevator that can easily carry out loading and unloading work from / to the loading platform of a wagon car, a one-box car, and a room.

Dedicated vehicles such as nursing taxis equipped with elevators for wheelchairs are known as means for transporting people with disabilities and the like who are unable to walk independently. However, since a dedicated vehicle is very expensive, a wheelchair elevator used to mount a wheelchair with a person on a general wagon vehicle or one-box vehicle has been proposed. Patent Documents 1 to 3 propose such a wheelchair elevator.
Japanese Patent Laid-Open No. 06-1000017 Japanese Patent Laid-Open No. 10-182082 JP 2001-114109 A

  Here, when a wheelchair lift is used, the wheelchair lift is also loaded on the loading platform of the vehicle and transported together with the wheelchair, the wheelchair lifting device is lowered from the loading platform at the destination, and then the wheelchair is mounted on the wheelchair lifting platform from the loading platform. It is necessary to lower it. The lifting and lowering operation of the wheelchair is performed by a hydraulic or electric lifting mechanism, but the operation of loading and unloading the wheelchair lifting machine on the loading platform is performed manually. The work of loading and unloading a wheelchair elevator from a car is a hard work, and is particularly difficult for women, elderly people and the like.

  However, conventionally, no device has been proposed for easily loading and unloading a wheelchair lift into an existing wagon car or the like.

  In view of this point, an object of the present invention is to propose a wheelchair elevator that can easily perform the work of loading and unloading from a vehicle.

In order to solve the above problems, the wheelchair elevator of the present invention is
An elevator unit for raising and lowering the wheelchair, and an elevator unit having an elevator mechanism for raising and lowering the elevator while holding the elevator table horizontally;
In order to move this lifting unit in an upright posture, a bottom rolling wheel attached to the bottom of the lifting unit;
In order to move the lifting unit in a posture tilted forward, a front rolling wheel attached to the front side part of the lifting unit;
It has the handle attached to the site | part of the front side of the said raising / lowering unit, It is characterized by the above-mentioned.

  The operation of placing the wheelchair elevator of the present invention on a wagon or the like can be performed as follows. Move the wheelchair elevator to the rear end of the vehicle, hold the left and right handles of the wheelchair elevator, and tilt the wheelchair elevator forward to place it on the rear end of the floor in the passenger compartment. Pull the wheelchair elevator up and down to the floor. Since the wheelchair lift that is pulled up to the floor of the vehicle and falls forward is supported by the front rolling wheels, it can be easily slid forward and stored in a predetermined position in the room. When lowering the wheelchair lift from the vehicle, slide the wheelchair lift in the forward-down position supported by the front rolling wheel backwards, raise it back and grab the left and right handles, along the rear edge of the vehicle floor Slide down. After the bottom rolling wheel of the wheelchair lift is attached to the ground, the wheelchair lift may be pushed backward to wake up. Thus, by attaching the front rolling wheel and the handle, it is possible to easily perform the work of placing the wheelchair elevator on the loading platform of the vehicle and the work of lowering it from the ground to the ground.

  Here, a hydraulic cylinder can be used as the lifting mechanism. In this case, two front hydraulic cylinders and two rear hydraulic cylinders are arranged vertically, the elevator is fixed to these hydraulic cylinders so as to be horizontal, and protrudes downward from each hydraulic cylinder. What is necessary is just to make it raise / lower the said raising / lowering stand by extending / contracting the operating rod which is present.

  Further, if the bottom rolling wheel is attached to the lower end of the operating rod of the front hydraulic cylinder, the wheelchair elevator can be easily moved in an upright posture. Furthermore, if an adjuster capable of adjusting the amount of protrusion from the lower end is attached to the lower end of the operating rod of the rear hydraulic cylinder, the height of the left and right adjusters can be finely adjusted, resulting in slight unevenness on the ground. Even if there is, it can be adjusted so that the lifting platform is horizontal.

  Furthermore, the front rolling wheel may be attached to the front hydraulic cylinder at a portion facing the front side with a certain interval in the vertical direction.

  Next, a flip-up type transfer plate is attached to the front end edge between the front hydraulic cylinders so as to be pivotable back and forth around the front end edge of the lift table, and the flip-up type transfer plate is attached to the lift table It is possible to turn from a folding position folded on the upper surface of the hoisting table to a bridging position extending horizontally in front of the hoisting table via a flipping position that stands vertically from the upper surface of the hoisting table, What is necessary is just to hold | maintain the said flip-up type transfer board in the said flip-up position by stretching a string between a board and one said front side hydraulic cylinder. In a state where the wheelchair is placed on the lifting platform, it is possible to prevent the wheelchair from falling forward from the lifting platform by holding the flip-up type transfer plate in the lifting position. In addition, after raising the lifting platform to the same height as the loading platform of the car, if the flip-up type transfer plate is tilted forward to the passing position, the gap between the lifting platform and the loading platform floor is closed. Therefore, the wheelchair can be smoothly moved between the lifting platform and the loading platform.

  Further, a left handrail is horizontally bridged between the left front hydraulic cylinder and the left rear hydraulic cylinder at a position higher than the lifting platform, the right front hydraulic cylinder and the right rear hydraulic cylinder. In the meantime, if the right handrail is bridged horizontally at a position higher than the elevator, the wheelchair placed on the elevator can be prevented from falling from the side. In addition, it is preferable that a fall prevention belt for preventing a wheelchair placed on the lifting platform from falling backward from between the rear hydraulic cylinders is bridged between the left handrail and the right handrail.

On the other hand, the wheelchair elevator set of the present invention is
A wheelchair elevator configured as described above;
A floorboard on the floor of the vehicle bed,
The left and right connecting brackets attached to this floorboard,
The left and right grips of the wheelchair elevator and the left and right belts adjustable in length are detachably mounted between the left and right connection fittings.

  In the present invention, the floorboard is previously laid on the floor of the vehicle for mounting the wheelchair and the wheelchair elevator. In the operation of loading the wheelchair elevator into the vehicle, first, a belt is bridged between the left and right connecting brackets of the floorboard and the left and right handles of the wheelchair elevator. Next, move the wheelchair elevator to the edge of the vehicle floor, hold the left and right handles of the wheelchair elevator, tilt the wheelchair elevator forward, place the front side part on the edge of the vehicle floor, and move the wheelchair elevator forward Raise to the floor while defeating. Since the wheelchair elevator that is pulled up to the floor and falls forward is supported by the front rolling wheels, it can be easily slid forward and stored in a predetermined position in the room.

  After being loaded on the vehicle in a state of being tilted forward, the length of the belt may be shortened and fastened so that the vehicle elevator does not rise from the floorboard.

  Next, when unloading the wheelchair elevator from the vehicle, after loosening the belt, slide the wheelchair elevator in the leaning position supported by the front rolling wheel backwards, raise it backwards, grab the left and right handles, Slide down along the edges of the. Since the belt is spanned between the floorboard and the wheelchair elevator, it is possible to prevent the wheelchair elevator from being accidentally dropped from the rear edge of the loading platform to the ground when the wheelchair elevator is pushed backward.

  After the wheelchair elevator is slid down along the edge of the floor and the bottom rolling wheel is attached to the ground, the wheelchair elevator may be pushed backward to wake up.

  Here, it is desirable that the floor plate is provided with a clamp mechanism for clamping the wheel of the wheelchair placed on the floor plate. The wheelchair placed on the vehicle can be fixed so as not to move back and forth and from side to side.

  The wheelchair elevator according to the present invention includes a front rolling wheel for moving the wheelchair elevator in a state of being tilted forward in addition to a bottom rolling wheel for moving the wheelchair elevator in an upright posture. In addition, a handle is provided for gripping the vehicle when the wheelchair elevator is raised or lowered. Therefore, the operation | work which mounts a wheelchair elevator to a vehicle, and the operation | work which drops to the ground from there can be performed easily.

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

  FIG. 1 is a schematic perspective view showing a wheelchair elevator set to which the present invention is applied. The wheelchair elevator set 1 includes a wheelchair elevator 2, a rectangular floor plate 3 for laying on a vehicle bed or a floor, and left and right belts 4, 5 that can be adjusted in length. Belt hooks 6 and 7 are attached to the upper surface 3a of the floor plate 3 on the left and right.

  The wheelchair elevator 2 has a rectangular elevator 10 and an elevator mechanism for raising and lowering the elevator 10 while holding the elevator 10 horizontally. The lifting mechanism includes four hydraulic cylinders 11 to 14 that are vertically attached to the four corners of the lifting platform 10 in a downward orientation, an electric hydraulic supply unit 15 that is mounted on the back surface of the lifting platform 10, and the electric hydraulic supply unit 15. And a remote controller 17 connected to the tip of the control lead wire led out from the electric hydraulic pressure supply unit 15. The lifting unit 10 and the lifting mechanism constitute a lifting unit.

  Swivel casters 18 and 19 are attached to the lower ends of the operating rods 11a and 12a extending vertically downward from the front hydraulic cylinders 11 and 12 attached to both front ends of the lifting platform 10. These universal casters 18 and 19 are rotatable about the rod center axis and the horizontal axis. Adjusters 20, 21 provided with disc-shaped grounding plates at the lower ends of the operating rods 13a, 14a extending vertically downward from the rear hydraulic cylinders 13, 14 attached to both rear ends of the lifting platform 2. Are attached, and by adjusting the adjusters 20 and 21, their heights can be finely adjusted.

  Two front casters 22 and 23 are attached to a part of the outer peripheral surface of the front hydraulic cylinder 11 facing the front, with a certain distance therebetween. Similarly, two front casters 24 and 25 are attached to a portion facing the front on the outer peripheral surface of the other front hydraulic cylinder 12. A loop-shaped rope 26 that functions as a handle is attached between the front casters 22 and 23 in the front hydraulic cylinder 11, and functions also as a handle between the front casters 24 and 25 in the front hydraulic cylinder 12. A loop-shaped rope 27 is attached. The ends of the left and right belts 4 and 5 can be connected to the left and right ropes 26 and 27 via a detachable connection fitting such as an eggplant.

  Next, between the front hydraulic cylinders 11, 12, a horizontally-long rectangular flip-up transfer plate 33 is formed by left and right hinges 31, 32 so as to be able to turn back and forth about the front edge 10 a of the lifting platform 10. It is attached to the front edge 10a. The flip-up type transfer plate 33 is horizontally placed in front of the lifting platform 10 from the folding position folded on the upper surface 10b of the lifting platform 2 through a lifting position that stands vertically from the upper surface 10b of the lifting platform 10. It is possible to turn within the range of 180 degrees to the extending bridge position. Further, a string 34 is bridged between the center portion in the width direction of the flip-up type transfer plate 33 and the left front hydraulic cylinder 11. By stretching the string 34, it is possible to hold the flip-up type transfer plate 33 in the flip-up position.

  Next, a left handrail 35 is bridged horizontally between the left front hydraulic cylinder 11 and the left rear hydraulic cylinder 13 at a position higher than the elevator 2. Similarly, a right handrail 36 is bridged horizontally between the right front hydraulic cylinder 12 and the right rear hydraulic cylinder 14 at a position higher than the elevator 2. Further, a fall prevention belt 37 is installed between the left handrail 35 and the right handrail 36 to prevent the wheelchair placed on the lifting platform 2 from falling backward between the rear hydraulic cylinders 13 and 14. ing.

  The wheelchair elevator 2 of the present embodiment uses an electric hydraulic cylinder as its lifting mechanism. It is desirable to use an electric hydraulic cylinder provided with an AC motor that consumes less current. In this case, a DC 12V on-vehicle power source can be DA-converted via an inverter and used as a drive current for the AC motor. The hydraulic cylinder can raise and lower a load of about 300 kg at about 300 W.

  As the elevating mechanism, a stepping hydraulic jack can be used instead of the electric type. Further, a chain type lifting mechanism, a lifting mechanism composed of a combination of a rack and pinion and a geared motor can be used. Furthermore, it is also possible to use an elevating mechanism composed of a pantograph type link mechanism as described in Patent Documents 1 to 3 cited in the section of the prior art.

(Work to put the wheelchair on the vehicle)
As the vehicle, a general wagon car or a one-box car can be used. As shown in FIG. 2, a floor plate 3 is laid in advance on a floor 41 in the vehicle 40.

  The operation of placing the wheelchair 50 on the vehicle 40 is performed according to the following procedure. The wheelchair elevator 2 is placed on the ground G on the rear side of the vehicle 40, and the elevator platform 10 is set to the lowest position. Further, the flip-up type transfer plate 33 is held by the standing string 34 in the flip-up position. After the wheelchair 50 carrying the person P is placed on the lifting platform 10, the fall prevention belt 37 is hung on the rear side of the wheelchair 50 so that the wheelchair 50 does not fall from the rear edge of the lifting platform 10. In this state, the remote controller 17 is operated to raise the lifting platform 10 to a position substantially the same as the floor 41 in the vehicle 40.

  After that, the string 34 is unwound and the flip-up type transfer plate 33 is moved horizontally forward (passing position). Thereby, the wheelchair 50 can be smoothly pushed into the vehicle compartment without the wheels 51 and 52 of the wheelchair 50 being fitted into the gap between the floor 41 of the vehicle and the lift 10. The wheelchair 50 put in the room is pushed to the front end of the floor board 3.

  Here, in order to fix the wheelchair 50 placed on the vehicle 40 so as not to move forward, backward, left and right, for example, a hook is attached to a portion on the front end side of the floor board 3, and the rear end of the belt is connected thereto. The belt-side hook attached to the tip of the belt is placed over the lower end of the wheelchair wheel, and the belt is firmly tightened to fix the wheel to the floorboard. In order to securely fix the wheel 51, for example, a fixing tool such as a hook-and-loop fastener or a clamper may be attached to the floor plate, and the wheel 51 may be fixed with this. Further, a stopper for the front wheel 52 of the wheelchair 50 may be attached to the floor board.

(In-vehicle method for wheelchair elevator)
After the wheelchair 50 is placed, the wheelchair elevator 2 can be placed on the vehicle 40 as follows.

  First, as shown in FIG. 3, the left and right belts 4, 5 whose rear ends are connected to the connecting brackets 6, 7 of the floor plate 3 are pulled out rearward, and these belts 4 are used by using a bracket such as an eggplant. 5 is attached to the ropes 26 and 27 of the front hydraulic cylinders 11 and 12 of the wheelchair elevator 2. Next, the right and left ropes 26 and 27 are grasped, and the wheelchair elevator 2 is pulled up to the floor 41 of the vehicle 40. By picking the left and right ropes 26, 27, the wheelchair elevator 2 can be easily lifted into the vehicle 40.

  As shown in FIG. 4, when the wheelchair lift 2 is pulled up and tilted forward, the left and right front casters 23 and 25 attached to the left and right front hydraulic cylinders 11 and 12 are positioned on the vehicle floor 41. The wheelchair elevator 2 hits the rear end edge of the vehicle and falls into the sideways state with these being the center. As a result, the front casters 22, 23, 24, and 25 are in a state in which the lifting unit including the lifting platform 10 and the lifting mechanism is supported in a state where it is tilted horizontally forward. After this, as shown in FIG. 5, the wheelchair elevator 2 can be easily slid forward along the upper surface 3 a of the floor plate 3 by these casters.

  After pushing the wheelchair elevator 2 forward, the left and right belts 4 and 5 are tightened to fix the wheelchair elevator 2 so that it does not move.

  Next, the operation of lowering the wheelchair elevator 2 mounted on the vehicle 40 may be performed as follows. As shown in FIG. 6, after loosening the belts 4, 5, the wheelchair elevator 2 is pulled backward on the upper surface 3 a of the floor plate 3. After the front casters 23 and 25 located on the lower side reach the rear edge of the floor 41, the wheelchair elevator 2 is tilted backward using these as fulcrums. As a result, the universal casters 18 and 19 of the front hydraulic cylinders 11 and 12 of the wheelchair elevator 2 are attached to the ground G, and then the lower ends of the rear hydraulic cylinders 13 and 14 can be attached to the ground G. In this operation, if the left and right belts 4 and 5 are set to appropriate lengths, it is possible to prevent the wheelchair elevator 2 from falling down vigorously and colliding with the ground.

It is explanatory drawing which shows the wheelchair elevator set to which this invention is applied. It is explanatory drawing which shows the operation | work procedure which mounts a wheelchair on a vehicle using the wheelchair elevator set of FIG. It is explanatory drawing which shows the process of the beginning of the work procedure which mounts a wheelchair elevator on a vehicle. It is explanatory drawing which shows the process in the middle of the work procedure which mounts a wheelchair elevator on a vehicle. It is explanatory drawing which shows the process of the end of the work procedure which mounts a wheelchair elevator on a vehicle. It is explanatory drawing which shows the operation | work procedure which lowers a wheelchair elevator from a vehicle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wheelchair elevator set 2 Wheelchair elevator 3 Base plate 3a Upper surface 4, 5 Belts 6, 7 Connecting bracket 10 Lifting platform 10a Front edge 11, 12 Front hydraulic cylinders 13, 14 Rear hydraulic cylinders 11a-14a Actuating rod 15 Electric hydraulic supply part 16 Lead wire for power supply 17 Remote controller 18, 19 Swivel caster 20, 21 Adjuster 22-25 Front caster 26, 27 Rope 31, 32 Hinge 33 Jump-up type transfer plate 34 String 35 Left handrail 36 Right handrail 40 Vehicle 41 Floor 50 Wheelchair 51 Wheel G Ground P People

Claims (8)

An elevator unit for raising and lowering the wheelchair, and an elevator unit having an elevator mechanism for raising and lowering the elevator while holding the elevator table horizontally;
In order to move this lifting unit in an upright posture, a bottom rolling wheel attached to the bottom of the lifting unit;
In order to move the lifting unit in a posture tilted forward, a front rolling wheel attached to the front side part of the lifting unit;
A wheelchair elevator having a handle attached to a front side portion of the lifting unit. In the wheelchair elevator according to claim 1,
The elevating mechanism has two front hydraulic cylinders and two rear hydraulic cylinders arranged vertically, and the elevating platform is horizontally fixed to these hydraulic cylinders,
A wheelchair lift which raises and lowers the lifting platform by extending and contracting an operating rod protruding downward from each hydraulic cylinder. In the wheelchair elevator according to claim 2,
The bottom rolling wheel is attached to the lower end of the operating rod of the front hydraulic cylinder,
A wheelchair elevator, wherein an adjuster capable of adjusting an amount of protrusion from the lower end is attached to a lower end of the operating rod of the rear hydraulic cylinder. In the wheelchair elevator according to claim 3,
The part of the front hydraulic cylinder facing the front side is provided with the front rolling wheel attached forward at a predetermined interval in the vertical direction and the handle attached thereto. Wheelchair elevator. In the wheelchair elevator according to claim 4,
Between the front hydraulic cylinders, a flip-up type transfer plate is attached to the front end edge in a state in which it can pivot back and forth around the front end edge of the lifting platform,
The flip-up type transfer plate extends horizontally from the folding position folded on the upper surface of the lifting platform to the front of the lifting platform via a lifting position that stands vertically from the upper surface of the lifting platform. Can swivel to position,
A wheelchair elevator according to claim 1, wherein a string is stretched between the flip-up transfer plate and one of the front hydraulic cylinders so that the flip-up transfer plate is held at the flip-up position. In the wheelchair elevator according to claim 5,
Between the left front hydraulic cylinder and the left rear hydraulic cylinder, a left handrail is bridged horizontally at a position higher than the lifting platform,
A right handrail is bridged horizontally between the right front hydraulic cylinder and the right rear hydraulic cylinder at a position higher than the lifting platform,
A fall prevention belt is installed between the left handrail and the right handrail to prevent a wheelchair placed on the lifting platform from falling backward from between the rear hydraulic cylinders. Wheelchair elevator. A wheelchair elevator according to any one of claims 1 to 6;
A floorboard on the floor of the vehicle bed or the vehicle interior;
The left and right connecting brackets attached to this floorboard,
A wheelchair lift set comprising: left and right grips of the wheelchair lift and left and right adjustable belts that are detachably mounted between the left and right connection fittings. In the wheelchair elevator set according to claim 7,
The wheelchair elevator set, wherein the floorboard includes a clamp mechanism for clamping a wheelchair wheel placed on the floorboard.

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