Deformable wheels for stair climbing wheelchairs

A deformable wheel and stair-climbing technology, applied in the field of deformable wheels, can solve the problems of slow stair climbing, bulkiness, and uneven movement, and achieve the effect of stable operation of the wheelchair, less damage, and smooth operation

Active Publication Date: 2017-01-18
GUANGXI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The crawler-type walking mechanism runs smoothly and is suitable for special terrains and environments, but it also has a complex structure, heavy weight, inflexible movement, and great damage to stairs, so it is not suitable for daily life; the wheel-type walking mechanism has a fast response speed , the change of direction is more flexible, and it is widely used in wheelchairs in daily life, but it also has the disadvantages of unstable movement and slow climbing stairs; the track-type walking mechanism has a simple structure and runs quickly, but it requires a special track, which is not suitable for normal consumer

Method used

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  • Deformable wheels for stair climbing wheelchairs
  • Deformable wheels for stair climbing wheelchairs
  • Deformable wheels for stair climbing wheelchairs

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Embodiment Construction

[0018] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0019] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0020] Such as Figure 1 to Figure 3 As shown, according to a deformed wheel of a stair climbing wheelchair according to a specific embodiment of the present invention, when in use, the deformed wheel is arranged on a drive shaft, and the deformed wheel includes a driving wheel 1 and a driven wheel 2. The driven wheel 2 is relatively rotatable and Drive wheel 1 is connected. The driving wheel 1 is fixed on the drive shaft...

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Abstract

The invention discloses a deformable wheel of a stair climbing wheelchair, and the deformable wheel includes a driving wheel and a driven wheel, and the driven wheel is connected to the driving wheel and rotates relative to the driving wheel. Each of the driving wheel and the driven wheel includes a hub and three-section of circular arcs surrounding the outer surface of the hub with equal distribution. When the wheelchair climbs stairs, the driven wheel rotates relative to the driving wheel, so that the three-section circular arcs of the driving wheel and the three-section circular arcs of the driven wheel overlap each other. When the wheelchair moves on flat ground, the driven wheel rotates relative to the driving wheel, so that the three-section circular arcs of the driving wheel and the three-section circular arcs of the driven wheel stag each other to form a circle. The deformable wheel is small in size and damages little to the stairs, and is further flexible in operation and can make the wheelchair to operate steadily.

Description

technical field [0001] The invention relates to the field of stair-climbing wheelchairs, in particular to a deformed wheel of the stair-climbing wheelchair, which is used as the rear wheel of the stair-climbing wheelchair. Background technique [0002] At present, the research and application of wheelchair walking devices mainly include crawler-type, wheel-type, track-type walking mechanisms and the like. The crawler-type walking mechanism runs smoothly and is suitable for special terrains and environments, but it also has a complex structure, heavy weight, inflexible movement, and great damage to stairs, so it is not suitable for daily life; the wheel-type walking mechanism has a fast response speed , the change of direction is more flexible, and it is widely used in wheelchairs in daily life, but it also has the disadvantages of unstable movement and slow climbing stairs; the track-type walking mechanism has a simple structure and runs quickly, but it requires a special tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61G5/10A61G5/06
Inventor 晏俊李兆军刘雄李宇龙赵天孟
Owner GUANGXI UNIV
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