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Wheelchair capable of obstacle crossing

A technology for wheelchairs and chairs, applied in the field of home medical aids, can solve problems such as difficulty in overcoming obstacles for wheelchairs

Active Publication Date: 2019-05-07
沈阳拓萧科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a wheelchair capable of surmounting obstacles to solve the problem that existing wheelchairs are difficult to surmount obstacles

Method used

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  • Wheelchair capable of obstacle crossing
  • Wheelchair capable of obstacle crossing
  • Wheelchair capable of obstacle crossing

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Experimental program
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Embodiment Construction

[0020] Below in conjunction with accompanying drawing, the present invention is described further (stipulation backrest 1 side is the rear side of wheelchair):

[0021] Such as figure 1 and figure 2 As shown, a wheelchair capable of overcoming obstacles includes a chair main body, the chair main body is composed of a backrest 1, a seat seat 2 and an armrest 3, and the armrests 3 are fixed on both sides of the backrest 1 and the seat seat 2, and the seat seat 2 The main rod 27 is fixed horizontally below, and the main rod 27 is connected with two rotatable tees 25 at a distance, and the front and rear interfaces of the rotatable tees 25 on one side are respectively connected with the driving wheel swing arm a 6 and the driving wheel swing arm d 23. The front and rear interfaces of the rotatable tee 25 on the other side are respectively connected with the drive wheel swing arm b 12 and the drive wheel swing arm c 21, and the ends of the drive wheel swing arm a 6 and the drive ...

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Abstract

The invention relates to a wheelchair capable of obstacle crossing. The wheelchair includes a chair main body; the chair main body fixedly consists of a backrest, a chair seat and armrests; a main rodis horizontally fixed at the lower part of the chair seat, and connected to a driving wheel swing arm a, a driving wheel swing arm d, a driving wheel swing arm b and a driving wheel swing arm c; a driving wheel a and a driving wheel b are fixed at the lower part of the front driving wheel swing arms; a driving wheel c and a driving wheel d are fixed at the lower part of the rear driving wheel swing arms; the front and rear parts of the chair seat are respectively in hinged joint with an electric push rod a and an electric push rod b which are respectively in hinged joint with the front swingarms and the rear swing arm set; the lower part of the main rod is connected to an auxiliary wheel supporting rack and auxiliary wheels; and the driving wheels and the electric push rods are connectedto batteries and a direction controller. The wheelchair is driven to move forward by four wheel-hub motors, the turning of the wheelchair adopts a differential steering mode; and during obstacle crossing, two sets of the driving wheels driven by the electric push rods and the intermediate auxiliary wheels can perform alternate movement, so that an obstacle crossing function can be realized.

Description

technical field [0001] The invention relates to a family medical auxiliary device, in particular to a wheelchair capable of overcoming obstacles. Background technique [0002] The problem of social aging is becoming more and more serious, and there are many disabled people caused by diseases. In order to provide the elderly and disabled people with superior mobility tools, help them improve their freedom of movement, and enable them to reintegrate into society, contemporary people have a lot of attention to the use of wheelchairs. The demand is getting stronger and stronger, but the common wheelchairs on the market are old-fashioned wheelchairs and bulky electric wheelchairs that require manpower to complete the movement. They have the same problem: they cannot be completely controlled freely, and they cannot complete obstacles and go up and down steps alone. Ability. When encountering obstacles such as steps and shoulders, you can only lift them up by manpower or take a de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61G5/06A61G5/10
Inventor 汤永华李泽萌于皓哲杨阔陶炫同马也
Owner 沈阳拓萧科技有限公司
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