Stair-climbing wheelchair

A technology for stair-climbing wheelchairs and seats, which can be used in patient chairs or special transportation tools, vehicle ambulance, medical transportation, etc. It can solve problems such as unacceptable, expensive, and complex structures for ordinary wheelchair users, and achieve The structure is simple and reasonable, the cost is low, and the effect of increasing safety

Inactive Publication Date: 2013-03-13
YANTAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the products manufactured by the prior art have complex structure, high cost and high price, which are difficult for ordinary wheelchair users to accept.

Method used

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  • Stair-climbing wheelchair

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Embodiment Construction

[0015] The principles and features of the present invention will be described in detail below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention and are not intended to limit the scope of the present invention.

[0016] Such as figure 1 As shown, the climbing wheelchair described in the embodiment of the present invention includes a seat 1, a power wheel 2 and a support frame, the seat 1 is located above the support frame and is supported by the support frame, and the power wheels 2 are respectively located on The rear portion on both sides of the seat 1 also includes a rocker 3 , a sprocket drive 4 , a crawler belt receiving wheel 5 , a worm wheel 6 and a worm 7 meshed with the worm wheel 6 which are respectively located on both sides of the seat 1 . The base ends of the rocking bars 3 are all connected to the sprocket drive 4 installed on the support frame. The worm wheel 6 is connected with the power wheel 2...

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Abstract

The invention relates to a stair-climbing wheelchair which comprises a seat, power wheels and a supporting frame, wherein the seat is arranged above the supporting frame and supported by the supporting frame, and the power wheels are respectively arranged at the rear parts of the two sides of the seat; meanwhile, the stair-climbing wheelchair also comprises rocking levers respectively arranged the two sides of the seat, a chain wheel drive device, a crawler-type bearing wheels, a worm wheel and a worm, wherein the worm is meshed with the worm wheel; the base end of the worm is connected with the chain wheel drive device arranged on the supporting frame; the worm wheel is connected with the power wheels by virtue of the worm so as to adjust the steering angles of the power wheels; one end of the crawler-type bearing wheel is fixedly connected with the chain wheel drive device, the crawler-type bearing wheel is connected with the front end of the supporting frame and the power wheels by virtue of a crawler, and belt wheels are respectively arranged at the joint of the crawler and the supporting frame and the joints of the crawler and the power wheels. By using the stair-climbing wheelchair provided by the invention, the problem that people suffering lower limb disabilities or incapable of walking normally duo to injuries are difficult to carry out daily travel and walk up and down the stairs can be solved; the stair-climbing wheelchair is simple and reasonable in structure and low in cost; and because of being driven by human power, the wheelchair is energy-saving and environmentally-friendly.

Description

technical field [0001] The invention relates to a stair-climbing wheelchair suitable for people with lower limb disabilities or those who cannot walk normally due to injury. Background technique [0002] With the development of cities, more and more stairs are used in daily life. For wheelchair users, various stairs become obstacles to their activities. There are many design inventions for wheelchairs for climbing stairs on the market at present, which mainly realize wheelchairs going up and down stairs by changing the traditional structure, or wheelchairs are designed as climbing robots to realize wheelchairs going up and down stairs. However, the products manufactured by the prior art have complicated structure, high cost and high price, which are difficult for ordinary wheelchair users to accept. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a stair-climbing wheelchair with simple and reasonable structure a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61G5/06A61G5/10
Inventor 周玉兰马雍钧吴永超尹晓伟
Owner YANTAI UNIV
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