JP2005008408A - Lift - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lift allowing a wheelchair to get in and out an automobile safely while a person is seated on the wheelchair without applying burden to the seated person and a caregiver. <P>SOLUTION: This lift is constituted in such a way that a traveling member 5 is attached to a guide rail 4 in the horizontal direction fixed to a vehicle body side, a guide mechanism 11 for elevation is attached to the traveling member 5 using a hinge mechanism 10 for turn so as to turn centered on a vertical shaft 19 of the hinge mechanism 10 for turn, an elevating plate 13 is fixed to a lower end of an elevating member 12 held so as to move vertically by the guide mechanism 11 for elevation, and the elevating plate 13 is elevated by a driving machine 14 for elevation provided between the guide mechanism 11 for elevation and it. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an elevating device that is used to, for example, allow a wheelchair user to get on and off a vehicle or to load and unload a heavy object on or from a vehicle or a stepped portion.

  In recent years, with the shift to an aging society, the number of wheelchair users has increased, and when a person using a wheelchair goes out, it is most convenient to use a vehicle moving means.

  Conventionally, a general method for getting on and off a person using a wheelchair is to hold the body down from the wheelchair and transfer it to the in-vehicle seat of the car. Contrary to the above, when getting off the car, it is carried out by a nursing work such as holding the body and moving it from the car seat to a wheelchair outside the car.

  By the way, in order to move a person using a wheelchair between a wheelchair and a car seat, it is necessary to move the body while holding the body in a cramped posture while supporting the whole weight. Actually, it is impossible to perform such care work for a weak person such as an elderly person or a woman.

  In addition, even if a person using a wheelchair moves it between a wheelchair and a car seat, although it is supported by a caregiver, it is physically burdensome. The present situation is waiting for the proposal of the means by which the boarding / alighting to / from an automobile can be safely performed without burdening the person and the caregiver.

  Therefore, the problem of the present invention is that it is possible to get on and off the vehicle with the wheelchair while sitting on the wheelchair, safely get on and off without burdening the person and the caregiver, and used for multiple purposes such as lifting and lowering the luggage It is in providing the raising / lowering apparatus which can do.

  In order to solve the above-described problems, the invention of claim 1 attaches a moving member that can move along the guide rail to a horizontal guide rail that is fixedly arranged, and turns the hinge to the moving member. Using the mechanism, the lifting guide mechanism is mounted so as to be pivotable about the vertical axis of the pivoting hinge mechanism, and is lifted and lowered to the lower end of the lifting member held vertically movable by the lifting guide mechanism. A configuration is adopted in which the plate is fixed and the lifting plate is lifted and lowered by a lifting drive provided between the lifting guide mechanism.

  Here, the guide rail is attached by fixing the base plate to the floor of the loading platform of the automobile or the upper floor of the upper and lower stepped portions, and providing a side wall standing on the side edge of the base plate. The moving member is fixed horizontally along the longitudinal direction of the vehicle, and the moving member fixes a slider that fits to the guide rail on the side surface of the moving table on which the required number of wheels are mounted on the base plate, and the vehicle moves on the base plate along the guide rail. It moves so as to follow the front-rear direction, and the front-rear movement range of the moving member is limited by stoppers provided at both ends of the guide rail.

  According to a second aspect of the present invention, the elevating guide mechanism is formed by fixing guide cylinders on both side surfaces of a cylindrical column body fixed in a vertical state to the turning hinge mechanism, and is moved up and down by guide cylinders located on both sides. Each of the members is held by a cylinder in which a lifting drive for holding the members up and down, fixing the edge of the lifting plate to the lower ends of both lifting members and moving the lifting plate up and down is incorporated in the cylindrical column. A configuration is adopted in which a mechanism for generating a pressure fluid for driving a cylinder is mounted on the moving member.

  The invention of claim 3 is characterized in that the guide rail is arranged in parallel on both sides with a predetermined interval, and the moving member is attached to the guide rails on both sides so as to be movable along the guide rails, It is formed by connecting members that are coupled to each other so that the sliders on both sides move together, and the above-mentioned lifting guide mechanism is attached to one slider using a swinging hinge mechanism.

  The above-described guide rails on both sides are fixed to the loading platform floor of the automobile, and a connecting member that couples the sliders so as to move together functions to distribute the load applied to one slider to both sides.

  According to a fourth aspect of the present invention, a stopper plate that can be raised and lowered is attached to the front and rear ends of the lifting plate, and the wheelchair locking mechanism and the stopper plate provided on the lifting plate are fixed when the wheelchair is fixed by the locking mechanism. The structure which interlocked so that a board stood up is adopted.

  The locking mechanism connects the middle of the wire to be locked to the wheelchair frame to the front stopper plate on the front side of the lift plate, and the rear end side of the wire is locked to the rear stopper plate in the state of the wheelchair. The front and rear stopper plates are erected and held by the wire in a state of being locked to the frame and fixing the wheelchair.

  Further, the turning hinge mechanism includes a first hinge fixed to the upper surface on the rear end side in the front-rear direction of the moving base and a second hinge fixed to the lower outer surface of the cylindrical column body by a vertical axis. Is formed.

  The raising / lowering guide mechanism attached to the movable table by the turning hinge mechanism has a position in which the parallel direction of the cylindrical columnar body and the guide cylinder is along the front-rear direction around the vertical axis, and the parallel direction is for turning. The rear end of the hinge mechanism can be rotated within a range of 90 ° between the position along the horizontal direction and the elevating guide mechanism is located at the rear end of the pivoting hinge mechanism. The phase protrudes rearward.

  The lifting plate is formed in a rectangular shape having a planar size enough for a wheelchair to be placed on a car bed, for example. The upper surface on one side is the lower end of both lifting members, and the one side is cylindrical. The lifting plate is positioned on the floor surface, with the column body and the guide tube fixed in an arrangement along the parallel direction, and the parallel direction of the cylindrical column body and the guide tube of the lifting guide mechanism is along the longitudinal direction of the automobile. In the state where the parallel direction of the cylindrical column of the lifting guide mechanism and the guide tube is along the width direction of the floor surface, the lifting plate protrudes backward from the rear end of the cargo bed floor surface. The elevating plate can be moved up and down.

  This lifting drive that moves the lifting plate up and down fixes the hydraulic cylinder built in the cylindrical column body to the cylindrical column body, and connects the piston rod with the lifting plate to expand and contract the hydraulic cylinder. The lifting plate is moved up and down.

  In addition, as another example of the lifting drive, an electric chain block is attached to the upper end of the cylindrical column, and the end of the chain pulled out from the drum of the chain block is connected to the lifting plate. The lifting plate is moved up and down by operation, or the end of the wire wound around the pulley attached to the upper end of the cylindrical column is fixed to the lifting plate, and the lifting plate is moved up and down by the rotation of the pulley by the motor. It is also possible to adopt a method or a method in which a screw shaft rotatably supported by a cylindrical column is screwed with a nut member fixed to the lifting plate, and the lifting plate is moved up and down by rotation of the screw shaft by a motor. .

  According to the present invention, the lifting guide mechanism is attached to the moving member attached to the guide rail by using the turning hinge mechanism so as to be rotatable about the vertical axis of the turning hinge mechanism, Since the elevating plate is fixed to the lower end of the elevating member held by the guide mechanism so as to be movable up and down, the elevating plate is moved up and down by the elevating drive unit provided between the elevating and lowering guide mechanism. By setting the size of the wheelchair, the person on the wheelchair can get on and off the car as it is in the wheelchair. It will be possible to safely get on and off the vehicle without putting a physical burden.

  In addition, it is possible to save labor for lifting / unloading heavy loads, and for installing / removing heavy loads on / from the upper floor of the upper and lower steps.

  Furthermore, the guide rails are arranged in parallel on both sides at a predetermined interval, and the moving members are moved to the guide rails on both sides so that they can move along the guide rails, and the sliders on both sides move together. In this way, when the guide rail is fixed to the cargo bed floor surface of the automobile, the load applied to one slider can be distributed to the guide rails on both sides by the connecting member. On the other hand, since it is possible to prevent a load that is offset, it is possible to improve the safety of driving an automobile and improve the durability.

  A moving member that is movable along the guide rail is attached to the guide rail that is fixedly arranged, and the lifting guide mechanism is attached to the moving member using a turning hinge mechanism, and the vertical axis of the turning hinge mechanism. The elevating plate is fixed to the lower end of the elevating member held so as to be movable up and down by the elevating guide mechanism, and the elevating plate is provided between the elevating guide mechanism and the elevating plate. It is raised and lowered with a driving machine.

  The lifting device 1 of the first embodiment shown in FIGS. 1 to 8 includes the above-mentioned side wall of the base plate 2 that is fixed to a position close to one side wall C on the loading floor B of the van type automobile A that is a rear opening. A side wall 3 standing on the side edge on the C side is provided, and a groove-shaped guide rail 4 is horizontally fixed to the side wall 3 along the front-rear direction of the automobile A.

  As shown in FIG. 1, the rear end of the base plate 2 approaches the rear end of the loading platform floor B of the automobile A, and the rear end of the guide rail 4 also approaches the rear end of the loading platform floor B. .

  The moving member 5 disposed so as to approach the guide rail 4 on the base plate 2 is long along the front-rear direction of the automobile A, and is closer to the tip side on the side surface of the moving base 7 on which the required number of wheels 6 are placed on the base plate 2. A slider 8 that fits outside the guide rail 4 is fixed at a position, and the slider 8 and the wheel 6 move along the guide rail 4 on the base plate 2 along the longitudinal direction of the automobile A. The front and rear movement range of the moving member 5 is limited by stoppers 9 provided at both ends of the guide rail 4.

  In this way, when the guide member 4 and the slider 8 guide the longitudinal movement of the moving member 5, the load applied to the moving member 5 is reduced by supporting the moving table 7 with the required number of wheels 6 mounted on the base plate 2. 6 can be reliably supported, and the moving member 5 can be smoothly moved back and forth.

  An elevating guide mechanism 11 is attached to the upper surface of the rear end side of the moving base 7 of the moving member 5 by using a turning hinge mechanism 10, and the lower end of the elevating member 12 held up and down by the elevating guide mechanism 11. The elevating plate 13 is fixed, and the elevating plate 13 is moved up and down by an elevating drive machine 14 provided between the elevating guide mechanism 11.

  The raising / lowering guide mechanism 11 is formed by fixing guide cylinders 16 using square pipes to the lower portions of both side surfaces of a vertically long cylindrical columnar body 15 fixed in a vertical state to the turning hinge mechanism 10. The elevating member 12 is held by a guide cylinder 16 positioned in a vertically movable manner, and the edge of the elevating plate 13 is fixed to the lower ends of both the elevating members 12.

  The turning hinge mechanism 10 has a first hinge 17 fixed to the upper surface on the rear end side in the front-rear direction of the automobile A on the movable base 7 and a second hinge 18 fixed to the lower outer surface of the cylindrical column 15 vertically. The lifting / lowering guide mechanism 11 is attached so as to be rotatable about the vertical shaft 19 of the turning hinge mechanism 10 and fixed to the lower end of the lifting / lowering member 12. 13 is moved up and down by a lifting drive 14.

  The raising / lowering guide mechanism 11 attached to the moving base 7 by the turning hinge mechanism 10 has a cylindrical shape around the vertical shaft 19 with the moving base 7 positioned at the rear end of the guide rail 4. Between the position where the parallel direction of the column 15 and the guide cylinder 16 is along the front-rear direction of the automobile A and the position where the parallel direction is behind the turning hinge mechanism 10 and along the width direction of the automobile A is 90 °. The elevator guide mechanism 11 has a phase protruding rearward from the rear end of the automobile A when the elevator guide mechanism 11 is behind the turning hinge mechanism 10.

  The elevating plate 13 is formed in a rectangular shape with a metal plate having a planar size sufficient for a wheelchair to be placed in the loading platform of the car A, and the upper surface on one side is at the lower ends of both elevating members 12. This one side is fixed so as to be along the parallel direction of the cylindrical column 15 and the guide cylinder 16, and the parallel direction of the cylindrical column 15 and the guide cylinder 16 of the lifting guide mechanism 11 is along the front-rear direction of the automobile A. In the state, the lifting plate 13 is positioned on the loading platform floor B of the automobile A, and the lifting plate is in a state where the parallel direction of the cylindrical column 15 and the guide cylinder 16 of the lifting guide mechanism 11 is along the width direction of the vehicle A. Reference numeral 13 denotes a position protruding rearward from the rear end of the load carrier floor B of the automobile A, and the lifting plate 13 can move up and down at the protruding position.

  In the illustrated case, the elevating drive unit 14 for moving the elevating plate 13 up and down fixes a hydraulic cylinder incorporated in the cylindrical column 15 to the cylindrical column 15 and couples the piston rod to the elevating plate 13. By doing so, the elevating plate 13 is moved up and down by expansion and contraction of the hydraulic cylinder, and a hydraulic pressure generating mechanism 20 for driving the hydraulic cylinder is mounted on the moving member 5.

  As another example of the lifting drive 14, an electric chain block is attached to the upper end of the cylindrical column 15 and the end of the chain pulled out from the chain block is connected to the lifting plate 13, It is also possible to move the elevating plate 13 up and down by the operation of.

  The lifting device of the first embodiment is configured as described above. As shown in the solid line of FIG. 1 and FIG. 5, when the vehicle A is traveling, the lifting plate 13 is more than the loading bed floor B of the vehicle A. At the high ascending position, the parallel direction of the cylindrical column 15 and the guide cylinder 16 of the lifting guide mechanism 11 becomes a phase along the front-rear direction of the automobile A, and the moving member 5 is pushed into the front end side of the guide rail 4. Thus, the elevating plate 13 is in a state of being housed on the loading platform floor B of the automobile A.

  When a person on the wheelchair is placed on the car A, the caregiver lifts the lifting guide mechanism 11 and the lifting plate 13 integrated with the lifting guide mechanism 11 slightly from the floor, and the slider 8 is located behind the car A on the guide rail. 4 is pulled out to a position where it abuts against the stopper 9 at the rear end, the shaft 19 of the turning hinge mechanism 10 is located at the rear end of the automobile A as shown in FIG. Almost half of 13 projects rearward from the rear end of the automobile A.

  In this state, when the elevating plate 13 is rotated about the shaft 19 of the turning hinge mechanism 10 as indicated by the alternate long and short dash line in FIG. 3 and the solid line in FIG. Projecting from the outside.

  Next, as shown in FIG. 7, when the care giver operates the controller 21 to extend the hydraulic cylinder of the lifting drive 14, the lifting member 12 is guided by the guide tube 16 and the lifting plate 13 is lowered. Then, as shown in FIG. 8, the descent is stopped in a state where the elevating plate 13 is in contact with the ground.

  When the lift plate 13 touches the ground, the person on the wheelchair rides on the lift plate 13 while keeping the wheelchair. Although not shown in the drawings, the upper surface of the lifting plate 13 may be provided with a wheelchair lock fitting or a protective handrail frame.

  When the wheelchair is placed on the lifting plate 13, the caregiver operates the controller 21 to contract the hydraulic cylinder of the lifting drive 14, contrary to the above-described removal of the lifting plate 13. 6 is lifted up to a raised position, and when the lift plate 13 is rotated 90 ° around the shaft 19 of the hinge mechanism 10 toward the inside of the vehicle in this lift position, the lift plate as shown in FIG. When the first half of the vehicle 13 enters the interior of the vehicle and then the elevation guide mechanism 11 is pushed into the vehicle, the elevation plate 13 moves forward along the guide rail 4, and the elevation plate is moved as shown in FIG. 13 and the person in the wheelchair placed on the wheelchair are accommodated in the vehicle, whereby the loading of the person in the wheelchair onto the automobile A is completed, and the automobile A can travel.

  Further, when the person in the wheelchair is lowered from the automobile A, it can be performed by the procedure and operation for taking out the lifting plate 13 described above.

  Next, the lifting device 1 of the second embodiment shown in FIGS. 9 to 16 fixes two guide rails 31 and 31 on the bed floor B of the van type automobile A which is a rear opening, and both guides. The moving member 32 is supported by the rails 31 and 31, and the wheelchair locking mechanism 33 is provided on the lifting plate 13. In addition, the same code | symbol is attached | subjected to the same part as the raising / lowering apparatus 1 of 1st Example, and it replaces with description.

  The above-described two linear guide rails 31 and 31 are horizontally fixed in parallel with the positions on both sides of the cargo bed floor B along the longitudinal direction of the automobile A, and the moving member 32 is connected to each guide rail 31 and And sliders 34, 34 attached to 31 so as to be movable back and forth along this guide rail 31, and connecting members 35 that couple the sliders 34, 34 on both sides together using a square pipe or the like. The front and rear movement range of the moving member 32 is limited by stoppers provided at both ends of the guide rails 31 and 31.

  One of the sliders 34 described above uses the turning hinge mechanism 10 and the same lifting guide mechanism 11 as that of the first embodiment is attached. The lifting guide mechanism 11 holds the lifting member 12 so as to be movable up and down. An elevating plate 13 is fixed to the lower end, and the elevating plate 13 is moved up and down by an elevating drive unit 14 provided between the elevating guide mechanism 11.

  As described above, the guide rails 31 and 31 are arranged on both sides of the loading platform floor of the automobile A in parallel with a predetermined interval, and the moving member 32 is moved along the guide rails 31 to the guide rails 31 and 31 on both sides, respectively. When formed by the sliders 34, 34 attached so as to be possible and the connecting members 35 that are coupled to each other so that the sliders 34, 34 on both sides move together, the load applied to one slider 34 is applied to both sides by the connecting member 35. Since the guide rails 31 and 31 can be dispersed and supported, and it is possible to prevent an offset load from being applied to the car A, the safety of the car A can be improved and the durability of the car A can be improved. Can be planned.

  On the lifting plate 13, pipe handrails 36 are erected on both sides, and stopper plates 37 and 38 that are movable up and down are attached to the front and rear ends with hinges. The wheelchair lock provided on the lifting plate 13 The mechanism 33 and the front and rear stopper plates 37 and 38 are interlocked so that the stopper plates 37 and 38 stand up when the wheelchair D is fixed by the lock mechanism 33.

  The locking mechanism 33 fixes a locking rod 40 which is long in the front-rear direction and provided with a large number of locking holes 39 on the upper surface and the side surface at the position of the central portion of the upper surface of the elevating plate 13. Hooks 44 are provided at both ends of the front wire 43 that spans pulleys 41 and 42 that are attached to both sides and both ends of the wheel. The pulling wire 46 connected via the pulley 45 is passed over a pulley 47 provided on the rear stopper plate 38 and locked to the locking hole 39 of the locking rod 40 on the rear end side of the pulling wire 46. A hook member 48 is fixed, and hooks 51 are provided at both ends of a rear wire 50 connected to a middle of the pulling wire 46 via a pulley 49 so as to be engaged with the rear portion of the frame of the wheelchair D.

  When the lock mechanism 33 is not locked to the wheelchair D, if the pulling wire 46 is loosened, no pulling force acts on the front and rear stopper plates 37 and 38, so the front and rear stopper plates 37 and 38 are horizontal. The wheelchair D can be laid on and off without any hindrance.

  Further, in order to fix the wheelchair D on the lifting plate 13, the hook 44 of the front wire 43 is locked to the front portion of the frame of the wheelchair D and the hook 51 of the rear wire 50 is secured as shown in FIGS. Is locked to the rear portion of the frame in the wheelchair D, and the hook member 48 of the pulling wire 46 is pulled toward the front of the wheelchair D in this state, and the hook member 48 is locked at a position where the pulling wire 46 is tensioned. If the holes 39 are engaged, the front wire 43 and the rear wire 50 are tensioned together, and the front and rear stopper plates 37 and 38 stand up, and the wheelchair D can be fixed to the lift plate 13.

  In the lifting device 1 of the second embodiment, when the vehicle A is traveling, the lifting plate 13 is at a higher position than the loading floor B of the vehicle A, and the lifting plate 13 is between the guide rails 31 and 31. When the moving member 32 is pushed into the distal end side of the guide rails 31, 31, the elevating plate 13 is in a state of being stored so as to overlap with the cargo bed floor surface B of the automobile A.

  When a person on the wheelchair D is placed on the car A, the caregiver lifts the lifting guide mechanism 11 and the lifting plate 13 integrated therewith and lifts it from the floor, and then slides the slider 34 behind the car A. Is pulled out to a position where it contacts the stopper at the rear end of the guide rail 31, and thereafter, by the same action as in the first embodiment described above, the lifting plate 13 is rotated and lowered at the rotating position. It can also be carried out by the same procedure and operation as in the case of the first embodiment.

  In the illustrated example, the lifting device 1 according to the present invention has been described as a vehicle-mounted device in which a person in a wheelchair D is getting on and off the vehicle A. It can be installed on the upper floor of the part and used for lifting and lowering heavy loads at the upper and lower steps.

Cross-sectional plan view of a state in which a lifting plate showing an example in which the lifting device of the first embodiment is used for in-vehicle use is housed in the vehicle Enlarged longitudinal front view along arrow II-II in FIG. Cross-sectional plan view of the lifting plate of the lifting device pulled out from the vehicle interior The perspective view which shows the principal part of a raising / lowering apparatus The perspective view of the state which stored the raising / lowering board of the raising / lowering apparatus in the inside of a vehicle The perspective view of the state which pulled up the raising / lowering plate of the raising / lowering apparatus from the inside of a vehicle The perspective view of the state which rotated the raising / lowering board pulled out from the inside of the raising / lowering apparatus 90 degrees, and was lowered | hung The perspective view of the state which lowered the raising / lowering board pulled out from the inside of the vehicle of the raising / lowering apparatus Cross-sectional plan view of a state in which a lifting plate showing an example in which the lifting device of the second embodiment is used for in-vehicle use is housed in the vehicle Cross-sectional plan view of the lifting plate of the lifting device pulled out from the vehicle interior FIG. 10 is an enlarged longitudinal sectional view taken along the arrow aa in FIG. Plan view of a state where a wheelchair is placed on the lowered lift plate Left side view FIG. 12 is an enlarged vertical cross-sectional view along arrow b-b in FIG. The perspective view of the state which pulled up the raising / lowering plate of the raising / lowering apparatus from the inside of a vehicle The perspective view of the state which lowered the raising / lowering board pulled out from the inside of the vehicle of the raising / lowering apparatus

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lifting apparatus 2 Base plate 3 Side wall 4 Guide rail 5 Moving member 6 Wheel 7 Moving stand 8 Slider 9 Stopper 10 Turning hinge mechanism 11 Lifting guide mechanism 12 Lifting member 13 Lifting plate 14 Lifting drive 15 Cylindrical column 16 Guide Tube 17 First hinge 18 Second hinge 19 Shaft 20 Hydraulic pressure generating mechanism 21 Controller 31 Guide rail 32 Moving member 33 Lock mechanism 34 Slider 35 Connecting member 36 Handrail 37 Stopper plate 38 Stopper plate 39 Locking hole 40 Locking rod 41 pulley 42 pulley 43 front wire 44 hook 45 pulley 46 pull wire 47 pulley 48 hook member 49 pulley 50 rear wire 51 hook

Claims (4)

  A moving member that can move along the guide rail is attached to a horizontal guide rail that is fixedly arranged, and a lifting guide mechanism is attached to the moving member using a turning hinge mechanism. The lifting plate is fixed to the lower end of the lifting member held so as to be movable up and down by the lifting guide mechanism, and the lifting plate is interposed between the lifting guide mechanism and the lifting guide mechanism. A lifting device that is moved up and down by a provided lifting drive.   The raising / lowering guide mechanism is formed by fixing guide cylinders on both side surfaces of a cylindrical column fixed in a vertical state to the turning hinge mechanism, and the raising / lowering members can be moved up and down by the guide cylinders located on both sides. The lifting and lowering drive unit for lifting and lowering the lifting plate is formed by a cylinder incorporated in the cylindrical column body, and the cylinder is attached to the moving member. The lifting device according to claim 1, wherein a mechanism for generating a pressure fluid to be driven is mounted.   The guide rails are arranged in parallel on both sides at a predetermined interval, and the moving member is moved to the guide rails on both sides so as to be movable along the guide rails, and the sliders on both sides are moved together. The elevating device according to claim 1 or 2, wherein the elevating guide mechanism is attached to one slider using a turning hinge mechanism.   A stopper plate that can be raised and lowered is attached to the front and rear ends of the lift plate, and the lock mechanism of the wheelchair provided on the lift plate and the stopper plate are interlocked so that the stopper plate stands when the wheelchair is fixed by the lock mechanism The lifting device according to any one of claims 1 to 3.

Images