JPH10337542A - Cleaning device for wheel of wheelchair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily clean wheels of a wheelchair. SOLUTION: Front wheel rotary brushes 21, 31 for cleaning the front wheel of a wheelchair and rear wheel rotary brushes 22, 32 for cleaning the rear wheel thereof are disposed, and tanks for cleaning liquid, in which the brushes 21, 31 and brushes 22, 32 are partially soaked, are disposed, and a pair of front wheel rollers 21a, 21b and a pair of front wheel rollers 31a, 31b, each pair of which is disposed at the front and the rear of the brushes 21, 31 respectively, support a front wheel 2, while a pair of rear wheel rollers 22a, 22b and a pair of rear wheel rollers 32a, 32b, each pair of which is disposed at the front and the rear of the brushes 22, 32 respectively, support a rear wheel 3, and the brushes 22, 32 are rotated by the rotation of one of the rollers 22a, 22b and one of the rollers 32a, 32b and the brushes 21, 31 are rotted by the rotation of the brushes 22, 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for cleaning wheelchair wheels, and more particularly to a technology for automatically cleaning wheelchair wheels with a relatively simple device.

[0002]

2. Description of the Related Art Wheelchairs have been used for the physically handicapped. When a wheelchair enters a building such as a welfare facility, it is necessary to clean the wheel of the wheelchair. At that time, a caregiver of the wheelchair cleans the wheel of the wheelchair.

[0003]

However, if the wheelchair enters the building without the caregiver and the wheelchair wheels are dirty, the wheelchair wheels become dirty on the passage in the building, and There was a problem that traces of the wheels adhered to the passage. Accordingly, an object of the present invention is to provide a wheelchair wheel cleaning apparatus that can automatically remove dirt from wheelchairs without the need for a caregiver to remove dirt from wheelchairs. To provide.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a first aspect of the present invention comprises a rotary brush for a front wheel for cleaning a front wheel of a wheelchair and a rotary brush for a rear wheel for cleaning a rear wheel of the wheelchair. Is disposed, a part of the front wheel rotating brush and a washing liquid tank for immersing a part of the rear wheel rotating brush are arranged, a pair of front wheel rollers disposed before and after the front wheel rotating brush support the front wheel, On the other hand, a pair of rear wheel rollers arranged before and after the rear wheel rotating brush supports the rear wheel, and the rear wheel rotating brush is rotated by rotation of one of the pair of rear wheel rollers. A wheel brush for a wheelchair, wherein the rotating brush for the front wheel is rotated by the rotation of the rotating brush for the rear wheel.

According to the structure of the first invention, a pair of front wheel rollers disposed before and after the front wheel rotary brush supports the front wheel, while a pair of rear wheels disposed before and after the rear wheel rotary brush. Since the roller for supporting the rear wheel,
The front wheel of the wheelchair may be brought into contact with the front wheel rotating brush, and the rear wheel of the wheelchair may be brought into contact with the rear wheel rotating brush. Therefore, the rotating brush for the front wheel cleans the front wheel of the wheelchair, and the rotating brush for the rear wheel cleans the rear wheel of the wheelchair. At this time, since a part of the front wheel rotating brush and a part of the rear wheel rotating brush are soaked in the cleaning liquid, the front wheel rotating brush and the rear wheel rotating brush rotate the front wheel and the rear wheel while rotating, respectively. It can be washed with a washing solution. The rotating brush for the rear wheel is rotated by rotating one of the pair of rollers for the rear wheel, and the rotating brush for the front wheel is rotated by rotating the rotating brush for the rear wheel. When the driver rotates the rear wheel by rotating the hand rim of the wheelchair, the rotation of the rear wheel can rotate the rotating brush for the rear wheel and the rotating brush for the front wheel.

Further, according to a second aspect of the present invention, in the first aspect, the rotary brush for the front wheel, the opening for the pair of rollers for the front wheel, the rotary brush for the rear wheel, and the pair of the rear wheels are provided. A front wheel and a rear wheel passage of the wheelchair having a roller opening formed therein; a front slope for guiding the front wheel and the rear wheel of the wheelchair to the front wheel and rear wheel passage; and an edge of the front slope. The rear end of the rotating brush for the rear wheel and a pair of the rear wheel are formed when the rear end of the edge is pressed downward by the hand rim. This is because a slide shutter that covers the rear wheel roller opening is provided.

Further, according to the second aspect of the present invention, in addition to the operation of the first aspect of the present invention, the front wheel rotating brush, the pair of front wheel roller openings, the rear wheel rotating brush, and the pair of rotating brushes. Since the wheelchair wheel (front wheel and rear wheel) passages in which the rear wheel roller openings are formed are provided, the front wheel rotating brush and the pair of front wheel rollers and the rear wheel are provided through the respective openings. The wheel rotating brush and the pair of rear wheel rollers can be exposed. In addition, since the front slope for guiding the wheel of the wheelchair to the wheel passage is provided, the wheel of the wheelchair can be guided to the wheel passage. Further, the rear end of the edge of the front slope is formed so as to be able to be pushed downward by a hand rim provided outside the rear wheel, and when the rear end of the edge is pushed downward by the hand rim, the rear end is formed. Since the rotating brush for the wheel and the slide shutter covering the pair of rear wheel roller openings are provided, when the rear wheel is on the rear end of the edge, the front wheel rotates the rear wheel. It can pass over the slide shutter without being fitted into the brush and the pair of rear wheel roller openings.

[0008]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of an embodiment of the present invention, FIG. 2 is a side view of the embodiment, and FIG. 3 is a front view of the embodiment. 4 shows a method of using the embodiment, FIG. 5 shows a detail of a part of FIG. 4, FIG. 6 shows a cross-sectional structure of a part of the one shown in FIG. 5, and FIGS. Are described in detail. 9 shows a main part of the embodiment, FIG. 10 shows a part of the embodiment, and FIG. 11 shows an enlarged part of the one shown in FIG.

1 to 11, in a wheelchair 1, a seat 5 is supported by a pair of front wheels 2 and a pair of rear wheels 3, and a hand rim 4 attached to the outside of the rear wheel 3 is held by a person sitting on the seat 5. , The rear wheel 3 can be rotated to move forward and backward. The front wheel 2 has a caster shape, and the direction of the front wheel 2 can be freely changed according to the traveling direction of the wheelchair 1. 2a is the pitch of the front wheels 2 and 3a is the pitch of the rear wheels 3. The arrow 1a indicates the traveling direction of the wheelchair 1, and 7a and 7
“b” indicates the position of the foot of the caregiver 7.

In the cleaning apparatus 10, the front slope 11 is disposed before the cleaning units 20 and 30, and the rear slope 12 is disposed after the cleaning units 20 and 30. In the front slope 11, edges 11a are formed on both sides, a front end of the edge 11a is rotatably attached to a front end of the front slope 11, and a rear end of the edge 11a is urged upward by a spring 11b. ,
It is located above the rear end of the front slope 11.

As the wheelchair 1 climbs the front slope 11, the hand rim 4 of the wheelchair 1 pushes the edge 11a downward, so that the rear end of the edge 11a moves downward. At this time, the wire 11c connected to the rear end of the edge 11a in FIG.
Is pushed down and the pulley 11e connected to the right end of the wire 11c moves to the right. The roller 11d serves to change the moving direction of the wire 11c from a vertical direction to a horizontal direction. One end of the wire 11f is fixed, and the other end is connected to the pulley 11g. The free pulley 11e is hung on a wire 11f. For this reason,
When the pulley 11e moves to the right by, for example, 30 mm, the pulley 11
g moves 60mm to the right.

Further, one end of the wire 11h is fixed,
The other end is turned by a roller 11i and connected to a slide shutter 26. For this reason, the pulley 11e
Is moved to the right by 60 mm, the slide shutter 26 moves to the left by 120 mm. At this time, as shown in FIG.
2, the front wheel 2 passes over the slide shutter 26. The shutter drive box 27 includes the wire 11c, the roller 11d, the pulley 1
1e, a wire 11f, a pulley 11g, a wire 11h, and a roller 11i.

Edges 12a are formed at both ends of the rear slope 12. The effective passage width 13 is the distance between the pair of edges 11a of the front slope 11 and the rear slope 12
Of the pair of edges 12a. A pair of cleaning units 20, 3
A pair of gear box inspection doors 15a and 15b are provided on a cover 15 provided between the doors.

The cleaning unit 20 includes a front wheel cleaning brush 21, a transmission roller 21a, and a free roller 21b.
A rear wheel cleaning brush 22, a transmission roller 22a, and a free roller 22b are provided. The transmission roller 21a is provided after the front wheel cleaning brush 21, and the free roller 2
1b is provided in front of the front wheel cleaning brush 21. The transmission roller 21a and the free roller 21b form a pair of rollers. On the other hand, the transmission roller 22a
Is disposed before the rear wheel cleaning brush 22, and the free roller 22b is disposed after the rear wheel cleaning brush 22. In addition, the transmission roller 22a and the free roller 22b constitute a pair of rollers.

The front wheel cleaning brush 21 and the gear 23a are fixed to the rotating shaft 25a, and the transmission roller 21a and the gear 23b
And the gear 24a are fixed to the rotating shaft 25b. The gear 23a and the gear 23b are screwed. The rear wheel cleaning brush 22 and the gear 23d are fixed to the rotating shaft 25d, and the transmission roller 22a, the gear 23c, and the gear 24b are fixed to the rotating shaft 25c. The gear 23c and the gear 23d are screwed. The gear 24a and the gear 24b are connected by a toothed belt 24c. A groove 21x is formed in the transmission roller 21a, and the free roller 21b is formed.
Is formed with a groove 21y. 14 is the groove 21
There is a pitch between x, 21y and grooves 31x, 31y, which will be described later, and matches the front wheel pitch 2a. A cleaning liquid tank 28 is provided below the front wheel cleaning brush 21 and the rear wheel cleaning brush 22. The cleaning liquid is, for example, simple water, water in which a detergent is dissolved, or the like. The lower ends of the front wheel cleaning brush 21 and the rear wheel cleaning brush 22 are immersed in the cleaning liquid in the water tank 28. Note that reference numeral 28a denotes a water level of the cleaning liquid in the water tank 28. An openable drain drain 28 b of the water tank 28 is formed to communicate with the water tank 28.

The lever 29 is formed by connecting a pair of levers with a shaft 29e.
It is arranged between and. In the lever 29, a portion including the pedal 29a and the tip 29b (corresponding to one lever) and a portion including the pedal 29c and the tip 29d (corresponding to the other lever) are connected by a shaft 29e. When the pedal 29a or the pedal 29c of the lever 29 is stepped on with a foot, the tips 29b and 29d move upward, so that the rear wheel 3 after washing can be lifted. For this reason, the rear wheel 3 supporting most of the weight of the wheelchair 1
2 makes it easier to put on the passages 40 and 50.

The cleaning section 30 corresponds to the cleaning section 20 described above. In the cleaning section 30, the front wheel cleaning brush 3
1, transmission roller 31a, free roller 31b, groove 3
1x and 31y are front wheel cleaning brushes 2 in the cleaning section 20.
1, transmission roller 21a, free roller 21b, groove 2
1x and 21y. Further, in the cleaning section 30, the rear wheel cleaning brush 32, the transmission roller 32a, and the free roller 32b correspond to the rear wheel cleaning brush 22, the transmission roller 22a, and the free roller 22b in the cleaning section 20, and the slide shutter 36 of the cleaning section 30. , The shutter drive box 37, the water tank 38, and the drain 38b correspond to the slide shutter 26, the shutter drive box 27, the water tank 28, and the drain 38b of the cleaning unit 20.

The front wheel cleaning brush 21 and the opening 41 for the pair of front wheel rollers 21a and 21b, the rear wheel cleaning brush 22 and the pair of rear wheel rollers 22
The front wheel 2 and the rear wheel 3 having the openings 42a and 22b formed therein.
Passage 40 is provided. Front slope 11 is front wheel 2
And the rear wheel 3 is guided to the passage 40. The passage 50 corresponds to the passage 40, and the opening 5 of the passage 50
Reference numerals 1 and 52 correspond to the passages 41 and 42 of the passage 40.
The slide shutter 36 is a slide shutter 2
6 is equivalent.

With the above arrangement, a pair of front wheel rollers 21a, 21b, 31a, 31b disposed before and after the front wheel rotating brushes (front wheel cleaning brushes) 21, 31 support the front wheel 2, while the rear wheel A pair of rear wheel rollers 22a, 22b, 32a, 32b disposed before and after the rotary brushes (rear wheel cleaning brushes) 22, 32 support the rear wheel 3, so that the front wheel 2 of the wheelchair 1 can be rotated by the front wheel rotary brush. 2
1 and 31, and the rear wheel 3 of the wheelchair 1 can be brought into contact with the rear wheel rotating brushes 22 and 32. At this time, the front wheel 2 is
Grooves 21x, 21y, 3 of 1a, 21b, 31a, 31b
Since it fits in 1x, 31y, the direction of the front wheel 2 can be kept in the same direction as the direction of the rear wheel 3. Therefore, the front wheel rotating brushes 21 and 31 clean the front wheel 2 of the wheelchair 1, and the rear wheel rotating brushes 22 and 32 clean the rear wheel 3 of the wheelchair 1. At this time, a part of the front wheel rotating brushes 21 and 31 and a part of the rear wheel rotating brushes 22 and 32 are immersed in the cleaning liquid.
The front wheel 2 and the rear wheel 3 can be cleaned with a cleaning liquid while rotating 1 and the rotating brushes 22 and 32 for the rear wheel, respectively.

The rear wheel rotating brushes 22, 32 are connected to the pair of rear wheel rollers 22a, 22b, 32a, 3a.
2b, the front wheel rotating brushes 21, 31 are rotated by the rotation of the rear wheel rotating brushes 22, 32, so that the person on the wheelchair 1 Is rotated to rotate the rear wheel 3, the rotation of the rear wheel 3 allows the rotation brushes 22, 32 for the rear wheel and the rotation brushes 21, 31 for the front wheel to be rotated.

Further, the front wheel rotating brushes 21, 31 and the pair of front wheel rollers 21a, 21b, 22a,
22b openings 41, 51, the rear wheel rotating brushes 22, 32, and the pair of rear wheel rollers 22a, 22
passages 40, 5 for the wheels (front wheel 2 and rear wheel 3) of the wheelchair 1 in which openings 42, 52 for b, 32a, 32b are formed.
0, the openings 41, 42, 51,
52, the front wheel rotating brushes 21, 31 and the pair of front wheel rollers 21a, 21b, 22a, 22b, the rear wheel rotating brushes 22, 32, and the pair of rear wheel rollers 22a, 22b, 32a, 32b. Can be exposed. Since the front slope 11 for guiding the wheels 2 and 3 of the wheelchair 1 to the wheel passages 40 and 50 is provided, the wheels 2 and 3 of the wheelchair 1 are connected to the wheel passage 4.
0, 50. Further, the front slope 11
The rear end of the edge 11a is formed so as to be pushed downward by a hand rim 4 provided outside the rear wheel 3, and when the rear end of the edge 11a is pushed downward by the hand rim 4, Since the slide shutters 26 and 36 that cover the portions 42 and 52 are provided, the rear wheel 3
1a, when the front wheel 2 is on the rear end,
2, 52, without being fitted to the slide shutter 2
6, 36.

[0022]

According to the wheelchair cleaning apparatus according to the first aspect of the present invention, when a person in a wheelchair rotates a hand rim to rotate a rear wheel, the rear wheel is rotated to rotate the rear wheel. The rotating brush for the front wheel and the rotating brush for the front wheel can be rotated, the rotating brush for the front wheel cleans the front wheel of the wheelchair, and the rotating brush for the rear wheel cleans the rear wheel of the wheelchair. For this reason, when the person in the wheelchair rotates the hand rim to rotate the rear wheel, the wheel of the wheelchair can be cleaned without requiring any other driving force.

Further, according to the second invention, in addition to the effect of the first invention, the front slope for guiding the wheel of the wheelchair to the wheel passage is provided, so that the wheel of the wheelchair (the front wheel and the rear wheel) is provided. ) Can be guided to the wheel passage, and the front wheel can pass over the slide shutter when the rear wheel is on the rear end of the edge.
For this reason, the wheelchair can be easily guided to a predetermined position of the cleaning device, so that the cleaning device can be easily used.

[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment of the present invention.

FIG. 2 is a side view of the embodiment.

FIG. 3 is a front view of the embodiment.

FIG. 4 is an explanatory diagram showing a concept of a method of using the embodiment.

FIG. 5 is a detailed view of a part of FIG. 4;

FIG. 6 is a sectional view of a part of the one shown in FIG. 5;

FIG. 7 is an operation explanatory diagram of the embodiment.

FIG. 8 is an operation explanatory view of a part of the slide shutter of the embodiment.

FIG. 9 is an explanatory diagram of a main part of the embodiment.

FIG. 10 is a perspective view of a part of the embodiment.

FIG. 11 is an explanatory diagram showing an enlarged part of the one shown in FIG. 10;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wheelchair 2 Front wheel 3 Rear wheel 4 Hand rim 11 Front slope 11a Edge of front slope 21, 31 Front wheel cleaning brush 21a, 31a Transmission roller 21b, 31b Free roller 22, 32 Rear wheel cleaning brush 22a, 32a Transmission roller 22b, 32b Free roller 28, 38 Water tank 28e Water level of cleaning liquid 26, 36 Slide shutter

Claims (2)

[Claims] 1. A rotary brush for a front wheel for cleaning a front wheel of a wheelchair and a rotary brush for a rear wheel for cleaning a rear wheel of the wheelchair, wherein a part of the rotary brush for the front wheel and a part of the rotary brush for the rear wheel are arranged. A water tank for washing liquid to be immersed is arranged, and a pair of front wheel rollers arranged before and after the front wheel rotating brush supports the front wheel, while a pair of rear wheel rollers arranged before and after the rear wheel rotating brush are Supporting the rear wheel, rotating the rear wheel rotating brush by rotating one of the pair of rear wheel rollers, and rotating the front wheel rotating brush by rotating the rear wheel rotating brush. A cleaning device for wheelchair wheels. 2. A front wheel and a rear wheel of the wheelchair, wherein the front wheel rotating brush and the pair of front wheel roller openings and the rear wheel rotating brush and the pair of rear wheel roller openings are formed. A passage is provided, and a front slope for guiding the front wheel and the rear wheel of the wheelchair to the front wheel and rear wheel passage is provided, and a rear end of an edge of the front slope is pushed downward by a hand rim provided outside the rear wheel. And a slide shutter for covering the rear wheel rotating brush and the pair of rear wheel roller openings when the rear end of the edge is pressed downward by the hand rim. The wheel cleaning device for a wheelchair according to claim 1, wherein: