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Hand-driven wheelchair

A wheelchair and hand-driven technology, which is applied to patient chairs or special transportation tools, vehicle rescue, medical transportation, etc., can solve the problems of inconvenient steering operation and complicated driving mechanism, and achieve the effect of stable working mode

Pending Publication Date: 2020-02-18
ZHEJIANG NORMAL UNIV XINGZHI COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above solution solves the problem of wheelchair driving stability to a certain extent, but there are still many deficiencies in this solution, such as the drive mechanism is too complicated, the steering operation is inconvenient, etc.

Method used

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  • Hand-driven wheelchair
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Embodiment Construction

[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as Figure 1-7As shown, this hand-driven wheelchair includes a wheelchair frame body 1 with a stool assembly 8, a backrest assembly 3 is provided on the rear side of the wheelchair frame body 1, wheels 11 are respectively provided on both sides of the wheelchair frame body 1, and a wheel 11 is arranged on the wheelchair frame body. 1. A universal wheel assembly 12 is provided on the front side. A rack 21 is provided on the lower front side of the seat frame 1 through a horizontal sliding mechanism 2. The rack 21 is connected with a device that can drive the rack 21 to slide back and forth horizontally and is movable on the wheelchair frame. 1. The swing rod 22 on the front side, the planetary gear frame 4 is rotated under the wheelchair frame body 1, and a unidirectional gear rack 21 and the planetary gear frame 4 is provi...

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Abstract

The invention provides a hand-driven wheelchair, and solves the problems of poor driving stability, difficulty in steering control and the like of wheelchairs. The wheelchair comprises a wheelchair frame with a stool assembly, wherein a backrest assembly is arranged at the rear side of the wheelchair frame, wheels are respectively arranged on two sides of the wheelchair frame, a universal wheel assembly is arranged on the front side of the wheelchair frame, a rack is arranged below the front side of the wheelchair frame through a horizontal sliding mechanism, the rack is connected with a swingrod arranged at the front side of the wheelchair frame, a planetary gear frame is arranged below the wheelchair frame, an overrunning clutch mechanism is arranged between the rack and the planetary gear frame, a planetary gear differential gear set is arranged in the planetary gear frame, two sides of the planetary gear frame are respectively provided with drive shafts which are connected with the planetary gear differential gear set, the drive shafts are not connected with each other, the drive shafts are connected with the wheels, and a steering control mechanism is arranged between the twodrive shafts and the wheelchair frame. The wheelchair has the advantages of stable driving and easy turning control.

Description

technical field [0001] The invention belongs to the technical field of wheelchair equipment, and in particular relates to a hand-driven wheelchair. Background technique [0002] In modern life, wheelchairs are mainly suitable for people with physical disabilities or physical rehabilitation. It is a chair with wheels that can help replace walking, and is divided into electric and manual folding wheelchairs. Ordinary wheelchairs are generally composed of a foldable frame, front and rear wheels, left and right knee pads and foot pedals, left and right detachable armrests, handle brakes, seats, backrests with medical imaging data bags, bedpans, urine bag hooks, electric standing and other parts. On the basis of ordinary wheelchairs, hand-operated wheelchairs are equipped with hand-operated devices. On the basis of ordinary wheelchairs, electric wheelchairs add an electronic power assist system to reduce the physical exertion of users. On the basis of electric wheelchairs, int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61G5/02A61G5/10
CPCA61G5/02A61G5/10A61G5/1005A61G5/1032A61G5/1035
Inventor 毛玮杨哲东周晨季来蒋洪奎
Owner ZHEJIANG NORMAL UNIV XINGZHI COLLEGE
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