JPH11209037A - Wheelchair elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To move up and down a wheelchair on which a user is safely secured without worrying the user by a simple structure. SOLUTION: A wheelchair elevator 15 has an elevation auxiliary means 16 and a wheelchair carrier means 17. The elevator auxiliary means 16 has a hold member 26 circulating along the elevation direction X of a stairway 20. The wheelchair carrier means 17 is installed from a lower layer floor 18 to an upper layer floor 19 to load and carry a wheelchair 21. Accordingly, a wheelchair user 22 can move up by holding the hold member 26 of the elevation auxiliary means 16 when the wheelchair user is carried by the wheelchair carrier means 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheelchair lifting / lowering device used for raising / lowering a wheelchair on a stair or a slope.

[0002]

2. Description of the Related Art FIG. 9 is a front view showing a typical conventional wheelchair lift trolley 1. Such a wheelchair lift trolley 1 is shown in FIG.
Is disclosed, for example, in Japanese Patent Publication No. 29554/1990. The wheelchair lift trolley 1 has an endless belt 6 and can ride on the wheelchair 2 and run up and down stairs 7 by itself. When ascending the stairs 7 by such a wheelchair lift trolley 1, the attendant 5 grips the handle 4 of the wheelchair lift trolley 1 and pulls up the stairs 7 with the wheelchair 2 facing backward. At this time, in order to allow the user 3 of the wheelchair to stably hold the wheelchair 2 while moving up and down the stairs 7, the wheelchair lift truck 1 is provided with a tilt angle sensor and a hydraulic cylinder. Detect the inclination angle of
The wheelchair 2 is driven by driving the hydraulic cylinder according to the detected value.
Is controlled so that the seat surface is substantially horizontal.

[0003]

As described above, the conventional wheelchair lift truck 1 has a structure in which the structure for controlling the wheelchair 2 to be horizontal during the ascent and descent is complicated. . In addition, in order to keep the wheelchair 2 horizontal during the ascent and descent, as shown in FIG. 9, the auxiliary wheel 9 of the wheelchair 2 is floated from the wheelchair elevating trolley 1, and the wheelchair 2 is supported by the wheels 8 and the handle 4. As a result, the user 3 of the wheelchair feels anxiety because his toes are far away from the stairs 7.

An object of the present invention is to provide a wheelchair lifting / lowering device which can stably hold a user in a wheelchair and raise / lower the wheelchair with a simple configuration without causing the user of the wheelchair to feel uneasy. is there.

[0005]

SUMMARY OF THE INVENTION The present invention provides an endless guide rail extending from a lower floor to an upper floor and extending along a predetermined elevating direction, and a traveling body circulating along the guide rail. A driving source for driving the traveling body to travel in a predetermined traveling direction, a projecting position provided on the traveling body, perpendicular to the traveling direction, and extending in a horizontal direction, and projecting in a lateral direction. Lifting assist means provided displaceably with respect to the retracted retracted position, having a gripping member disposed at the retracted position in at least the lower circulation area and gripped by a user of a wheelchair in a state disposed at the projecting position, There is a mounting portion on which the wheelchair is mounted below the gripping member disposed at the protruding position, and the mounting portion is driven to travel in the same traveling direction in conjunction with the traveling body in the upper circulation area. A wheelchair lift device characterized by including a wheelchair carrying means.

According to the present invention, the wheelchair lifting / lowering device has a lifting / lowering assisting means and a wheelchair transporting means, and the wheelchair transporting means mounts the wheelchair and runs in conjunction with the gripping member of the lifting / lowering assisting means. When raising the wheelchair from the lower floor to the upper floor, for example, an attendant mounts the wheelchair on the mounting portion of the wheelchair conveying means, and the user of the wheelchair grips the gripping member arranged at the projecting position in the upper circulation area. Then, the traveling body is driven to travel from the lower floor to the upper floor in the upper circulation area of the guide rail. The wheelchair conveying means is driven in the same traveling direction in conjunction with the traveling body while the wheelchair is mounted, and the wheelchair rises from the lower floor to the upper floor.
At this time, since the user of the wheelchair is gripping the gripping member protruding in the lateral direction, the user is stably kept in the wheelchair without feeling uneasy. As described above, with the wheelchair lifting / lowering device of the present invention, the user of the wheelchair can stably move up and down while holding the wheelchair stably without causing the user of the wheelchair to feel uneasy with a simple configuration.

In addition, a gripping member disposed at a protruding position in the upper circulation area is provided separately from a gripping member gripped by a user of the wheelchair, and the gripping member is disposed behind a back plate of the ascending wheelchair. By supporting the wheelchair from behind, the wheelchair can be more stably held and raised.

According to a second aspect of the present invention, in the configuration of the first aspect, the wheelchair conveying means is provided along the elevating direction between the lower floor and the upper floor, and has an endless shape having the riding portion. A transport belt, a transport belt driving source for driving the transport belt to travel, and holding means for holding the wheelchair on the loading portion by preventing displacement of the wheelchair in the descending direction by the loading portion of the transport belt. And characterized in that:

According to the present invention, the wheelchair conveying means has an endless conveying belt provided between the lower floor and the upper floor. Therefore, when ascending from the lower floor to the upper floor, the attendant mounts the wheelchair on the mounting portion of the conveyor belt, and holds the wheelchair by preventing the downward movement of the wheelchair by the holding means. The wheelchair is raised by the transport belt while the user of the wheelchair grips the gripping member of the lifting assistance means. At this time, the attendant can also ride on the transport belt. In addition, a gripping member is provided separately from a gripping member gripped by a user of the wheelchair, and the wheelchair is supported more stably by supporting the back plate of the wheelchair from the rear of the wheelchair when ascending. be able to.

In this way, the holding means on the conveyor belt prevents the lower part of the wheelchair from being displaced in the downward direction, and the gripping member prevents the upper part of the wheelchair from being displaced in the downward direction. Displacement in the descending direction is reliably prevented, and it is possible to stably raise.

According to a third aspect of the present invention, in the configuration of the first aspect, the transporting means has the mounting portion and is capable of self-propelling at least between the lower floor and the upper floor. .

According to the present invention, the transporting means is capable of self-propelling between the lower floor and the upper floor. When ascending from the lower floor to the upper floor, for example, the attendant puts the wheelchair on the loading section of the transporting means, and the user of the wheelchair grips the gripping member of the elevation assisting means and travels along with the gripping member. The wheelchair is transported by the transport means and rises. Therefore, unlike the above-described conventional wheelchair lift trolley, the user of the wheelchair can ascend not forward but forward, and can ascend safely. In addition, unlike a conventional wheelchair hoisting trolley, the user of the wheelchair grips and holds the gripping member of the lifting assisting means, so that the wheelchair is stably held on the wheelchair when ascending, even if the wheelchair is not horizontal. Further, unlike a conventional wheelchair lift truck, there is no need to float the auxiliary wheels of the wheelchair and keep the seat level, so that the user of the wheelchair does not feel anxious.
Further, by supporting not only the gripping member gripped by the user but also the separately provided gripping member from the rear on the back plate of the ascending wheelchair, the wheelchair can be more stably supported.

[0013]

FIG. 1 is a front view showing a wheelchair elevating device 15 according to an embodiment of the present invention. The wheelchair lifting / lowering device 15 includes a lifting / lowering assisting means 16 and a wheelchair transporting means 17.
And is installed on a staircase 20 provided between the lower floor 18 and the upper floor 19.

The ascending and descending assisting means 16 is provided on the wall surface 31 of the stairs 20.
And has an endless guide rail 24 extending along the vertical direction X of the stairs 20 and provided from the lower floor 18 to the upper floor 19. This guide rail 24
An upper sprocket wheel 27 is provided at an upper end portion of the sprocket wheel so as to be rotatable around a horizontal rotation axis, and a lower sprocket wheel 28 is similarly provided at a lower end portion. A chain 29 is stretched between the upper and lower sprocket wheels 27 and 28, and the upper sprocket wheel 27 is rotationally driven by a drive source 30. One or a plurality of traveling bodies 25 are attached to the chain 29, and in this embodiment, one traveling body 25 is attached, and the upper sprocket wheel 27 is rotationally driven by a driving source 30 so as to move in the vertical direction X in the upper circulation area.
The vehicle is driven to travel in the traveling direction from the lower floor 18 to the upper floor 19, and is circulated along the endless guide rail 24. Note that the upper circulation area is the upper sprocket wheel 27.
And a lower circulating region of the chain 29 which is wound around the lower sprocket wheel 28.
9 indicates the sub-stretch area. The downward transition region refers to a region where the traveling body reverses and transitions from the upper circulation region to the lower circulation region, and specifically refers to a chain winding region of the upper sprocket wheel 27. Similarly, the upper transition region refers to a region in which the lower circulation region reverses and transitions to the upper circulation region, and refers to a chain winding region of the lower sprocket wheel 28.

The traveling body 25 has a rod-shaped gripping member 26.
The gripping member 26 has a protruding position that is perpendicular to the elevating direction X parallel to the traveling direction in the upper circulation area and protrudes in the horizontal direction Y extending in the horizontal direction, and the elevating direction X and the lateral direction Y. It extends vertically in a vertical direction Z and is displaceably provided to a retreat position where it substantially transitions to the wall surface 31. At least in the lower circulation region, the lower recirculation region hangs downward by its own weight and is disposed at the retreat position. The gripping member 26 disposed at the projecting position in the upper circulation area is prevented from being displaced other than the angular displacement to the retreat position, which is an angular displacement upward in the vertical direction Z.

The wheelchair transporting means 17 is provided on the stairs 20 between the lower floor 18 and the upper floor 19 and has an endless transport belt 35. In this embodiment, a drive roller 36 is provided on one of the lower and upper floors 18 and 19, and in the present embodiment, a driven roller 37 is provided on the lower floor 18 side. The roller is stretched between the pair of rollers 36 and 37 arranged in parallel with Y. The drive roller 36 is driven to rotate by a not-shown conveyance belt driving source, whereby the conveyance belt 35
6 is driven in conjunction with the traveling body 25 of FIG. Further, the transport belt driving source may be configured to double as the driving source 30 of the lifting / lowering assisting means 16.

The transport belt 35 facing the lower side of the gripping member 26 in the upper circulation area becomes a loading section 38 on which the wheelchair 21 is mounted, and the loading section 38 has a downward direction (a vertical direction X) of the wheelchair 21 loaded thereon. Wheelchair 21 by preventing displacement to the upstream side)
Is provided on the mounting portion 38.
The transport belt 35 of the wheelchair transport unit 17 is driven to travel in conjunction with the traveling body 25 of the lifting / lowering assisting unit 16, and rides on the transport belt 35 in the same traveling direction and at the same speed as the gripping member 26 in the upper circulation area. The unit 38 is driven to travel.

The holding means 41 provided on the mounting portion 38 includes:
For example, it has a substantially triangular cylindrical shape extending in the horizontal direction Y, and is configured to be foldable, for example, and is configured to be assembled by the attendant 23 immediately before use and folded after use. Alternatively, it may be configured to be immersed in the transport belt 35 and protrude out of the transport belt 35, to be protruded by the attendant 23 immediately before use, and to be immersed after use. Further, the holding means 41 automatically protrudes when reaching the upper stretch area and in the initial state, and when the mounting portion 38 reaches the upper floor 19 and stops, the holding means 4.
1 may be automatically immersed. The holding means 41 inclines toward the upstream in the elevating direction X as it moves away from the conveyor belt 35, and engages with the locking plate 32 to which the wheel 33 of the wheelchair 21 mounted on the mounting portion 38 abuts and locks. This prevents the wheelchair 21 from being displaced in the downward direction.

A lower slope base 39 is provided on the lower floor 18, and the lower slope base 39 is smooth from the floor of the lower floor 18 toward the lower end of the upper stretch area of the conveyor belt 35 of the wheelchair conveyor 17. It is provided at an angle. Similarly, an upper slope table 40 is provided on the upper floor 19,
From the upper end of the upper stretch area of the conveyor belt 35 to the upper floor 1
9 has an inclined portion that is smoothly inclined toward the floor surface.

Next, a method of using the wheelchair elevating device 15 will be described. A sensor 14 is provided on a wall surface 31 of the lower floor 18, and the sensor 14 is a wheelchair elevating device 15.
Is detected, and the drive source 30 and the conveyor belt drive source are driven in response to the detection signal to bring the wheelchair elevating device 15 into an initial state. The initial state is that the gripping member 26 is disposed on the lower floor 18 side in the upper circulation area,
This refers to a state in which the loading portion 38 of the wheelchair transporting means 17 is arranged on the lower floor 18 side in the upper stretch region.

After confirming that the vehicle has stopped in the initial state, the attendant 23 moves from the lower slope table 39 to the loading section 38.
Then, the wheelchair 21 is pushed onto the vehicle, and the holding means 41 is assembled. The wheel 33 of the wheelchair 21 is locked to the locking plate 32 of the holding means 41 to prevent the wheelchair 21 from being displaced in the downward direction. At the same time, the user 22 of the wheelchair 21
1 is braked, and the gripping member 26 in the retracted position in the upper circulation area, that is, in the state retracted upward in the vertical direction Z, is angularly displaced and arranged at the protruding position. Hold. The positional relationship between the gripping member 26 and the holding means 41 is such that when the wheelchair 21 is locked by the holding means 41, the gripping member 26 can be gripped by the front surface of the user 22 who is sitting on the wheelchair 21. It is chosen to be placed. Such a positional relationship between the gripping member 26 and the holding means 41 is maintained at least during the ascent and descent of the stairs 20.

An operation switch 88 is provided at the distal end of the gripping member 26, as described later. After confirming that the wheelchair 21 is held by the holding means 41, the user 22 presses the operation switch 88. Then, the lifting assistance means 16
And the wheelchair transporting means 17 are both driven to travel, and raise the wheelchair 21 along the stairs 20. At this time, since the wheelchair user 22 is gripping the gripping member 26 in front of the body, the wheelchair user 22 is stably held in the wheelchair 21.

The attendant 23 rides on the conveyor belt 35 behind the wheelchair 21 and grips the handle 12 at the upper end of the back plate 13 of the wheelchair 21. At the rear of the holding means 41, a rectangular pillar-shaped locking piece 42 extending in the horizontal direction Y is attached on the conveyor belt 35, and this locking piece 42 prevents the attendant 23 from slipping downward.

As described above, unlike the conventional wheelchair lift truck described above, the wheelchair user 22 faces the stairs 2 in the traveling direction.
Since it is possible to rise 0, it is possible to climb with confidence. In addition, unlike the conventional wheelchair lift truck, the wheelchair 2
In 1, not only the wheels 33 but also the auxiliary wheels 34 are mounted on the mounting portion 38 and the gripping member 26 can be gripped in front of the user 22, so that the user 22 of the wheelchair 21 feels uneasy. The stairs 20 can be ascended without worry.

If the user wants to stop the wheelchair elevating device 15 while moving up the stairs, he can do so by pressing the operation switch 88 described above. In the case of driving again, the driving can be performed by pressing the operation switch 88 again.

In this manner, the wheelchair 21 is placed on the upper floor 1
When the number reaches 9, the wheelchair elevating device 15 stops immediately before the holding means 41 reaches the drive roller 36. After confirming the stop, the wheelchair user 22 angularly displaces the gripping member 26 upward, disposes it at the retracted position, and releases the brake of the wheelchair 21. Thereafter, the attendant 23 pushes the wheelchair 21, temporarily stops the wheelchair 21 on the upper floor 19 via the upper slope table 40, and folds the holding means 41.

In this manner, the wheelchair can be easily raised from the lower floor 18 to the upper floor 19 by the wheelchair elevating device 15. In addition, the wheelchair can be lowered from the upper floor 19 to the lower floor 18 by the reverse procedure.

Such a wheelchair elevating device 15 is installed, for example, on the stairs of a public facility such as a station, a hospital or a department store or on the stairs of a home. Further, the present invention is not limited to the stairs, and may be configured to be installed on a slope, for example.

Further, the upper end of the lifting assistance means 16 is extended to, for example, the vicinity of the ceiling of the upper floor 19, and when the wheelchair 21 reaches the upper floor 19 by the wheelchair transportation means 17, only the wheelchair transportation means 17 is stopped. Auxiliary means 1
6 may be configured to continue driving near the ceiling. Wheelchair user 2 when the lift of wheelchair 21 stops
When the hand 2 is released from the gripping member 26, the gripping member 26 rises to the vicinity of the ceiling, and is turned 180 ° in the downward transition region, so that the gripping member 26 is disposed at the retracted position by its own weight. With this configuration, the trouble of the user 22 of the wheelchair disposing the gripping member 26 at the retracted position by himself can be omitted.

FIG. 2 is a vertical cross-sectional view of the lifting / lowering assisting means 16 taken along the line II-II in FIG.
5 is a front view of the traveling body 8, and FIG. 5 is a plan view of the traveling body 25. The guide rail 24 has an approximately U-shaped cross section, covers the traveling body 25, and has an endless guide rail body 45 extending in the direction of ascending and descending the stairs 20.
Having. The guide rail main body 45 has an endless outer rail 46 and an inner rail 47 facing each other at intervals in the vertical direction Z, and laterally outwardly of the outer and inner rails 46, 47 (FIG. 2). Are bent in directions approaching each other to form an outer side wall 73 and an inner side wall 74, between which the guide elongated hole 50 from which the gripping member 26 of the traveling body 25 projects is formed by a gripping member. It extends along the 26 passages and is formed in an annular shape.

Outer rail 46 opposing inner rail 47
Is an outer vertical displacement prevention guide surface 48, and a lateral displacement prevention rail 51 having a substantially U-shaped cross section is formed on the outer vertical displacement prevention guide surface 48 at least in the upper circulation region and the lower circulation region of the outer rail 46. It is provided along. Of the pair of surfaces of the lateral displacement prevention rail 51 that face each other at an interval in the lateral direction Y, the outside in the lateral direction Y becomes the first lateral displacement prevention guide surface 52, and the inside in the lateral direction Y (FIG. 2). On the right) is the second
It becomes the lateral displacement prevention guide surface 53. The inner surface of the inner peripheral rail 47 facing the outer vertical displacement prevention guide surface 48 serves as an inner vertical displacement prevention guide surface 49. At least in the upper circulation area of the inner peripheral rail 47, a downward rotation prevention rail 69 is provided extending in the vertical direction X more inward in the lateral direction Y than the lateral displacement prevention rail 51, and is provided in the downward direction. The surface on the outer side in the lateral direction Y of the rotation prevention rail 69 is a downward rotation prevention guide surface 70.
Becomes

The traveling body 25 has a traveling body main body 55 to which the gripping member 26 is attached. The traveling body main body 55 is a substantially rectangular plate-shaped base 56 extending in the traveling direction parallel to the outer and inner peripheral rails 46 and 47. A plate-shaped protruding portion 67 protruding inward in the lateral direction Y from the longitudinal central portion of the base 56;
Are provided inward in the horizontal direction Y at both ends in the longitudinal direction of
6 having first and second vertical portions 57 and 58 provided in the vertical direction Z.

The upper and lower portions of the first and second vertical portions 57 and 58 (on the outer rail 46 side) each have a rotation axis parallel to the lateral direction Y. First and second upper displacement preventing rollers 59 and 60 are provided on which the surfaces abut, and similarly, each of the lower portions of the first and second vertical portions 57 and 58 has a rotation axis parallel to the lateral direction Y, First and second lower displacement prevention rollers 61 and 62 are provided in which the outer peripheral surface abuts on the inner vertical displacement prevention guide surface 49. A pair of rotation axes parallel to the up-down direction Z are provided on the upper portion of the base 56 (on the outer rail 46 side), and the outer peripheral surfaces of the pair of outer rails abut against the first lateral displacement prevention guide surface 52 of the lateral displacement prevention rail 51. First lateral displacement prevention rollers 63 and 64 are provided, and similarly, a pair of second lateral displacement prevention rollers 65 and 66 whose outer peripheral surfaces abut against the second lateral displacement prevention guide surface 53 of the lateral displacement prevention rail 51 are provided. Below the protruding portion 67, there is a rotation axis parallel to the up-down direction Z, and a downward rotation in which the outer peripheral surface abuts on the downward rotation prevention guide surface 70 of the downward rotation prevention rail 69 in the upper circulation region. A motion blocking roller 68 is provided.

As described above, the traveling body 25 includes the first and the second
The upper displacement preventing rollers 59 and 60 are provided on the outer vertical displacement preventing guide surface 4.
8, the upward displacement of the traveling body 25 in the upper circulation region is prevented, and the first and second lower displacement prevention rollers 61 and 62 are similarly moved along the inner vertical displacement prevention guide surface 49. As a result, the traveling body 25 is prevented from being displaced downward in the upper circulation area. Thus, the outer and inner vertical displacement preventing guide surfaces 48, 4
9 and at least one guide roller abuts and guides the other one of the outer and inner vertical displacement preventing guide surfaces 48 and 49. The drive 25 is driven to travel while the displacement in the vertical direction is reliably prevented.

Further, since the first lateral displacement preventing rollers 63 and 64 are guided along the first lateral displacement inhibiting guide surface 52, the traveling body 25 is prevented from being displaced outward in the lateral direction Y. The traveling body 25 is prevented from being displaced inward in the lateral direction Y by the second lateral displacement prevention rollers 65 and 66 being guided along the second lateral displacement prevention guide surface 53. In this way, at least two rollers abut on one of the first and second lateral displacement prevention guide surfaces 52, 53,
At least one roller abuts on one of the first and second lateral displacement preventing guide surfaces 52 and 53 to guide the traveling body 25, thereby causing the traveling body 25 to move in the lateral direction Y.
Can be reliably prevented from being displaced.

Further, the downward rotation preventing rail 69 passes through substantially the center of the traveling body 55 and is provided at different positions in the circumferential direction on the lateral displacement preventing rail 51 about a virtual axis extending in the traveling direction. In particular, the rail 69 for preventing downward rotation about the virtual axis is the rail 5 for preventing lateral displacement.
1 are provided substantially symmetrically, and the downward rotation preventing rail 6
The downward rotation preventing roller 68 is guided along 9.

The gripping member 2 attached to the traveling body main body 55
6 supports the user 22, so that the largest moment is generated in the traveling body 25 in the direction in which the gripping member 26 moves downward, that is, in the direction in which the gripping member 26 rotates in the direction of the arrow A in FIG. I do. On the other hand, traveling body 2
5 not only resists the moment by the lateral displacement prevention rail 51 and the first and second lateral displacement prevention rollers 63 to 66, but also the first lateral displacement prevention guide surface 52 of the lateral displacement prevention rail 51. The blocking rollers 63 and 64 come into contact with each other, and the lateral displacement blocking rail 5
When the downward rotation preventing roller 68 abuts on the downward rotation preventing guide surface 70 of the downward rotation preventing rail 69 provided symmetrically with respect to 1, the traveling body 25 resists the moment with an extremely large force. And rotation in the direction of arrow A is reliably prevented. With such a configuration, the traveling body 25 can stably travel along the guide rail 24 without rattling.

The chain 41 is attached to the lower surface of the base 56 of the traveling body 55 (on the inner rail 47 side) via a pair of chain attachment pieces 80 having an L-shaped cross section. A chain guide rail 81 for guiding the circulating drive chain 29 is mounted on the inner peripheral rail 47 along the running direction. The chain guide rail 81 abuts on the rollers of the chain so that the chain 29 runs stably. Drive. As described above, the traveling body 25 is prevented from rotating in the direction of the arrow A by the downward rotation preventing roller 68 and the downward rotation preventing rail 69, and the rotation of the traveling body 25 The contact of the roller link with the chain guide rail 81 is prevented, whereby the traveling body 25 can be smoothly driven.

A cover 92 is provided on the guide rail 24. The cover 92 covers the gripping member 26 that travels in the lower circulation area while being disposed at the retracted position. Thus, for example, when a plurality of grip members 26 are provided, it is prevented that the grip members 26 descending in the lower circulation area interfere with the wheelchair 21 rising from the lower floor 18 to the upper floor 19.

As shown in FIG. 1, an upper opening 95 is formed at the upper end of the cover body 92, and the gripping member 26 disposed at the retracted position enters the upper opening 95. A lower opening 96 that opens upward is formed at the lower end of the cover body 92, and the gripping member 26 that transitions from the lower circulation area to the upper circulation area advances from the lower opening 96 in a state where it is located at the retracted position. I do. Further, a transparent cover 94 made of, for example, a synthetic resin having a light-transmitting property is provided on the cover body 92 in the vicinity of the lower opening 96, so that a user on the lower floor 18 can immediately move out of the lower opening 96. Can be visually recognized.

The guide elongated hole 50 of the guide rail 24 through which the gripping member 26 is inserted is closed by the circulation shielding member 97.
The circulation shielding member 97 is, for example, endlessly formed by connecting a plurality of shielding pieces so as to be angularly displaceable. The circulation shielding member 97 covers the inside of the guide elongated hole 50, and circulates with the circulating driving body to close the guide elongated hole 50. With such a circulation shielding member 97,
The finger or the like of the user is prevented from entering the guide slot 50, and the safety is improved.

FIG. 6 is a perspective view showing the gripping member 26 disposed at the retracted position in the lower circulation area. Gripping member 2
6 is a gripping member fixing portion 71 fixed to the traveling body 55
And a gripping member body 72. Gripping member fixing part 71
The base end portion 71a is fixed to the base body 56 of the traveling body main body 55, and the free end portion 71b side has a substantially T-shaped cross section.
The base end 72b of the gripping member main body 72 is connected to the free end 71b side of the gripping member fixing portion 71. Gripping member body 72
A pair of holding pieces 83 projecting in the longitudinal direction of the gripping member body 72 at intervals from each other in the running direction
Is provided at the free end portion 71b of the gripping member fixing portion 71. The holding portion 83 sandwiches a projection 82 projecting downward in the vertical direction Z and extending in the horizontal direction Y in the lower circulation region, and A pin 86 is inserted in the running direction from the end to the protrusion 82, and the gripping member fixing portion 81 and the gripping member main body 72 are mutually connected so as to be angularly displaceable. In the lower circulation area, as shown in FIG. 6, the gripping member main body 72 hangs down by its own weight and is disposed at the retracted position.

The grip portion 87, which is an intermediate portion of the grip member main body 72, has a plurality of circumferentially extending concave grooves formed at intervals in the longitudinal direction, and is easy to grip by putting fingers along the concave grooves. And becomes less slippery. An operation switch 88 is provided on the free end 72a of the gripping member body 72.
Is provided.

FIG. 7 is a front view showing a wheelchair elevating device 99 according to another embodiment of the present invention. The components corresponding to the wheelchair lifting / lowering device 15 shown in FIGS. 1 to 6 are denoted by the same reference numerals. Lifting assistance device 1 of wheelchair lifting device 99
02 is different from the lifting assistance device 16 in that a second gripping member 100 is provided behind the gripping member 26 (upstream in the vertical direction X) separately from the gripping member 26 gripped by the user 22.
One or more such a set of gripping members 26, 100, one set in this embodiment. Second gripping member 10
0 has the same configuration as the gripping member 26,
Is provided on a new traveling body attached to the vehicle.

The second gripping member 100 is as shown in FIG. With the wheelchair held by the holding means 41, the wheelchair 21 is disposed so as to face the rear of the back plate 13.
Is prevented from displacing in the downward direction. As described above, at the lower end, the wheel 33 is prevented from displacing in the lowering direction by the holding means 41 at the lower end, and the wheelchair 21 is similarly lowered by the second gripping member 100 at the upper end. Is prevented from being displaced. As a result, the wheelchair 21 is stably supported, and the user 22 of the wheelchair is also stably held by the wheelchair 21.

The wheelchair conveying means 103 of the wheelchair elevating device 99 is provided so that the upper and lower ends of the conveying belt 35 extend parallel to the floors 18 and 19, respectively, as shown in FIG.

Wheelchair lifting / lowering device 9 having such a configuration
How to use No. 9 will be described. First, when the wheelchair 21 comes near the wheelchair elevating device 15 on the lower floor 18, the sensor 14
Lifting assist means 102 and wheelchair transport means 10
3 are driven and arranged in an initial state. At this time, the positions of the gripping members 26 and 100 and the holding means 41 are indicated by phantom lines in FIG. 7, and the gripping member 26a in the initial state is disposed at the lower end of the upper circulation area, and the second gripping member in the initial state. 100a is the lower opening 9 of the cover body 92
6 and the initial state holding means 4
1a is a wheelchair conveying means 1 which is horizontal on the lower floor 18
7 is arranged.

After confirming that the wheelchair is in the initial state, the attendant 23 pushes the wheelchair 21 to get on the wheelchair conveying means 103 and holds the wheelchair 21 by the holding means 41. In addition, the user 22 of the wheelchair applies a brake to the wheelchair 21, and angularly displaces the gripping member 26, which has been retracted upward, downward to lock the gripping member 26 at the projecting position. 23
Causes the second gripping member 100 retracted rearward to be angularly displaced forward. In this state, the operation switch 88 is pushed to start the wheelchair elevating device 109. Then, when the wheelchair 21 rises and the second gripping member 100 reaches the upper circulation area, the second gripping member 100 is reliably disposed at the protruding position, and the second gripping member 100 is angularly displaced rearward. Is prevented and the wheelchair 21 can be reliably prevented from descending. The operation switch 88 is provided for the gripping member 2.
6 may be provided on both the second holding member 100 and the second holding member 100 may be provided only on the second holding member 100 held by the attendant 23.

In this way, the wheelchair 21 is moved to the upper floor 1
The wheelchair elevating device 109 stops when it reaches the upper end of the wheelchair transporting means 103 which is horizontal above the wheelchair 9. At this time, since the wheelchair 21 is mounted on the upper end of the wheelchair transporting means 17 which is horizontal, the attendant 23 moves the holding member 41 in this state.
Can be folded.

After that, the user 22 of the wheelchair
6 in the retracted position, and the attendant 23
0 is placed at the evacuation position and the wheelchair 21 is pushed to shift.

FIG. 8 is a front view showing a wheelchair elevating device 110 according to another embodiment of the present invention. The components corresponding to the wheelchair lifting / lowering device 15 shown in FIGS. 1 to 6 are denoted by the same reference numerals. The wheelchair conveying means 111 of the wheelchair elevating device 110 is different from the wheelchair conveying means 17 described above,
The person runs on a wheelchair 21 on his own. Wheelchair transportation means 111
Is composed of a transporting vehicle 113 having a self-propelled endless belt 115 and a loading section 112 on which the wheelchair 21 is mounted, and an operating handle 114 which rises upward from the transporting vehicle 113 and is gripped by the attendant 23. Since the transport trolley 113 runs by the endless belt 115, the transport trolley 113 can go up and down stairs with the wheelchair 21 mounted.

The operating handle 1 held by the attendant 23
The operation switch 14 is provided at the tip of the wheelchair 14 so that the attendant 23 can control the traveling drive, stop, and adjustment of the traveling speed of the wheelchair conveying means 113 at hand.
The traveling speed of the transport trolley 113 is normally selected to be equal to the speed at which the gripping member 26 of the elevation assisting means 16 travels in the upper circulation area. Therefore, as shown in FIG. 8, the user 22 of the wheelchair conveyed by the wheelchair conveying means 111 can stably move up and down the stairs 20 by gripping the gripping member 26 of the elevation assisting means 16.

At the lower end of the staircase 20, there is a lower floor 1
A slope base 116 that smoothly guides from the step 8 to the first step of the stairs 20 is detachably installed on the lower floor 18. Thus, the wheelchair transporting means 111 can smoothly start climbing the stairs. In addition, on the cover body 92 of the lift assisting means 16 or the wall surface 31 of the stairs 20,
The side guide rail 117 that guides the side of the transport trolley 113 of the wheelchair transport means 111 is moved in the vertical direction X
A guide means having a plurality of guide rollers provided so as to be able to vertically pinch the side guide rail 117 is provided on a side portion of the transport carriage 113, and the transport carriage 113 is moved by the guide means. It is guided along the guide rail 117. Therefore, it is possible to prevent the transporting trolley 113 from traveling in the direction away from the lifting / lowering assist device 16 during the ascent / descent, and
One user 22 can reliably hold the gripping member 26.

An electric motor is used as a drive source of the transport trolley 113, and a battery may be mounted on the transport trolley 113 as a power source for the electric motor. Power may be supplied via a power cord. At this time, a take-up reel may be provided on the upper floor 19, and the power supply cord may be wound by the take-up reel while the wheelchair conveying means 111 is raised.

The wheelchair transfer means 111 is separately stored in advance in the upper floor 19, for example, and when the wheelchair 21 needs to be raised from the lower floor 18 to the upper floor 19, the stored wheelchair transfer means 111 is stored. Means 11
First, the attendant 28 is lowered to the lower floor 18, and the wheelchair 21 is mounted on the mounting portion 112 of the carrier 113. Thereafter, the gripping member 26 is moved to the initial position, that is, the gripping member 26.
Is located at the lower end of the upper circulation area, and the wheelchair transport unit 111 is moved to a position where the user 22 of the wheelchair can grip the gripping member 26. At this time, the attendant 23 moves the guide means so as to be guided by the side guide rail 117. Then, after the gripping member 26 is disposed at the protruding position and the user 22 of the wheelchair grips the gripping member in front of the body, the lift assisting means 16 is driven, and the attendant 23 drives the wheelchair transporting means 111 to move the stairs. Ascend 20.

In this way, the user 22 of the wheelchair can be transported by the wheelchair transporting means 111 and can ascend by holding the gripping member 26.

Further, as described with reference to FIG. 9, in the conventional wheelchair lift trolley 1, it was necessary to go up the stairs in a state facing backward, but in the present invention, as shown in FIG. You can climb the stairs. Further, in the conventional wheelchair lifting trolley 1, the wheelchair is held horizontally to stably hold the user of the wheelchair. However, in the present invention, the gripping member 26 is connected to the wheelchair user 22.
Since the user 22 can stably hold the user 22 on the wheelchair 21 by gripping, the configuration for keeping the wheelchair horizontal is not required, and the configuration is simplified. Further, in order to keep the wheelchair horizontal, it is necessary to float the auxiliary wheel of the wheelchair in the air as shown in FIG. Loading section 1
It can be kept stable by placing it on No.12, and does not feel uneasy.

The operation handle 114 of the wheelchair conveying means 111 faces the back of the wheelchair 21 on which the wheelchair 21 is mounted, and can prevent the wheelchair 21 from inclining backward during the ascent and descent.

As still another embodiment of the present invention, as described with reference to FIG. 7, a second gripping member is provided on the lifting / lowering auxiliary means, and the operation handle of the self-propelled wheelchair transporting means 111 is provided by the second gripping member. You may comprise so that the wheelchair conveyance means 111 may be supported from the back of 114. With this configuration, the wheelchair 21 can be supported more stably.

[0060]

As described above, according to the first aspect of the present invention, the wheelchair lifting / lowering device has the lifting / lowering assisting means and the wheelchair transporting means. The traveling drive is performed in conjunction with the gripping member. When raising the wheelchair from the lower floor to the upper floor, for example, an attendant mounts the wheelchair on the mounting portion of the wheelchair conveying means, and the user of the wheelchair grips the gripping member arranged at the projecting position in the upper circulation area. Then, the traveling body is driven to travel from the lower floor to the upper floor in the upper circulation area of the guide rail. The wheelchair conveying means is driven in the same traveling direction in conjunction with the traveling body while the wheelchair is mounted, and the wheelchair rises from the lower floor to the upper floor. At this time, since the user of the wheelchair is gripping the gripping member protruding in the lateral direction, the user is stably kept in the wheelchair without feeling uneasy. As described above, with the wheelchair lifting / lowering device of the present invention, the user of the wheelchair can stably move up and down while holding the wheelchair stably without causing the user of the wheelchair to feel uneasy with a simple configuration.

Further, a gripping member disposed at a protruding position in the upper circulation area is provided separately from a gripping member gripped by a user of the wheelchair, and the gripping member is disposed behind a back plate of the ascending wheelchair. By supporting the wheelchair from behind, the wheelchair can be more stably held and raised.

According to the second aspect of the present invention, the wheelchair conveying means has an endless conveying belt provided between the lower floor and the upper floor. Therefore, when ascending from the lower floor to the upper floor, the attendant mounts the wheelchair on the mounting portion of the conveyor belt, and holds the wheelchair by preventing the downward movement of the wheelchair by the holding means. In a state where the user of the wheelchair grips the gripping member of the lifting aid,
The wheelchair is raised by the conveyor belt. At this time, the attendant can also ride on the transport belt. In addition, a gripping member is provided separately from a gripping member gripped by a user of the wheelchair, and the wheelchair is supported more stably by supporting the back plate of the wheelchair from the rear of the wheelchair when ascending. be able to.

As described above, the holding means on the conveyor belt prevents the lower side of the wheelchair from being displaced in the downward direction, and the gripping member prevents the upper side of the wheelchair from being displaced in the downward direction. Displacement in the descending direction is reliably prevented, and it is possible to stably raise.

According to the third aspect of the present invention, the transporting means is capable of self-traveling between the lower floor and the upper floor. When climbing from a lower floor to an upper floor,
For example, a wheelchair is mounted on the loading portion of the transporting means by an attendant, and a user of the wheelchair grips the gripping member of the lifting / lowering assisting means, and the wheelchair is transported and lifted by the transporting means that travels with the gripping member by itself. Therefore, unlike the above-described conventional wheelchair lift trolley, the user of the wheelchair can ascend not forward but forward, and can ascend safely. In addition, unlike a conventional wheelchair hoisting trolley, the user of the wheelchair grips and holds the gripping member of the lifting assisting means, so that the wheelchair is stably held on the wheelchair when ascending, even if the wheelchair is not horizontal. Further, unlike a conventional wheelchair lift truck, there is no need to float the auxiliary wheels of the wheelchair and keep the seat level, so that the user of the wheelchair does not feel anxious. Further, by supporting not only the gripping member gripped by the user but also the separately provided gripping member from the rear on the back plate of the ascending wheelchair, the wheelchair can be more stably supported.

[Brief description of the drawings]

FIG. 1 shows a wheelchair elevating device 1 according to an embodiment of the present invention.
It is a front view which shows 5.

FIG. 2 is a vertical sectional view of the lifting / lowering assisting means 16 as viewed from a section line II-II in FIG.

FIG. 3 is a rear view of the traveling body 25.

FIG. 4 is a front view of the traveling body 25.

5 is a plan view of the traveling body 25. FIG.

FIG. 6 is a perspective view showing a gripping member 26 disposed at a retracted position.

FIG. 7 is a front view showing a wheelchair elevating device 99 according to another embodiment of the present invention.

FIG. 8 is a front view showing a wheelchair elevating device 110 according to another embodiment of the present invention.

FIG. 9 is a front view showing a conventional wheelchair lift truck 1.

[Explanation of symbols]

 15, 99, 110 Wheelchair elevating device 16, 102 Elevating assistance means 17, 103, 111 Wheelchair transport means 18 Lower floor 19 Upper floor 21 Wheelchair 22 Wheelchair user 23 Attendant 24 Guide rail 25 Running body 26 Gripping member 30 Drive source 35 transport belt 38,112 loading section

Claims (3)

[Claims] 1. An endless guide rail provided from a lower floor to an upper floor and extending along a predetermined elevating direction, a traveling body circulating along the guide rail and traveling, and the traveling body is predetermined. A drive source for driving the vehicle in the traveling direction, a protruding position provided on the traveling body, perpendicular to the traveling direction and extending in the horizontal direction, and displaceable between a retreat position retracted from the protruding position and a laterally protruding position. Lifting assist means provided at the retracted position at least in the lower circulation area and held by the user of the wheelchair in the state of being disposed at the protruding position, and the gripping member disposed at the protruding position A wheelchair carrying means for carrying a wheelchair below the wheelchair, the loading section including a wheelchair transporting means for traveling in the same traveling direction in conjunction with the traveling body in the upper circulation area. And a wheelchair elevating device. 2. The endless conveyance belt having the loading section, the conveyance belt being provided along the elevating direction over a lower floor and an upper floor, and a conveyance belt for driving the conveyance belt. The wheelchair according to claim 1, further comprising: a drive source; and holding means for holding the wheelchair on the mounting portion by preventing displacement of the wheelchair in the downward direction at the mounting portion of the conveyor belt. lift device. 3. The wheelchair elevating device according to claim 1, wherein the transporting means has the loading portion and is capable of self-running at least between a lower floor and an upper floor.