Electric folding wheelchair capable of going upstairs and downstairs

Abstract

The invention discloses an electric folding wheelchair capable of going upstairs and downstairs. A wheelchair seat assembly is arranged at the upper part of a wheelchair underframe assembly in a liftable mode through a wheelchair seat ascending and descending assembly, and a wheelchair wheel assembly and a wheelchair upstairs and downstairs going assembly are arranged on the wheelchair underframeassembly, wherein the wheelchair seat assembly consists of foldable armrests, a foldable backrest and a translational wheelchair seat plate which are connected with each other; the wheelchair seat ascending and descending assembly is of a shear fork mechanical structure; the upper end of the shear fork mechanical structure cooperates with the bottom of the wheelchair seat assembly; the lower end of the shear fork mechanical structure cooperates with the wheelchair underframe assembly; the wheelchair wheel assembly consists of a front wheel driving motor, a rear wheel driving motor, wheelchairfront wheels driving by the front wheel driving motor and wheelchair rear wheels driven by the rear wheel driving motor; and the wheelchair upstairs and downstairs going assembly consists of front auxiliary wheels, rear auxiliary wheels, a big motor and a power transmission mechanism of the big motor. The electric folding wheelchair provided by the invention can be folded; the space is saved; in addition, the seat can freely translate, ascend and descend; the function of going upstairs and downstairs is achieved; and safety and reliability are realized.

Description

technical field [0001] The invention relates to the technical field of wheelchairs, in particular to an electric wheelchair, in particular to an electric folding wheelchair capable of going up and down steps. Background technique [0002] Wheelchairs are an indispensable means of transportation for the elderly and the disabled with limited mobility, and they are widely applicable. Today, as people's quality of life continues to improve, the quality of life of people with reduced mobility should also be improved. How to be able to act freely and autonomously without relying on the help of others is the primary issue to meet this need. Currently, there are several types of wheelchairs on the market: foldable human wheelchairs; electric wheelchairs with fixed seats and armrests; and car wheelchairs with adjustable seats. However, the wheelchairs on the market still have the following defects: [0003] 1. Starting from the power system of wheelchairs, the current wheelchairs ...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide an electric folding wheelchair capable of going up and down steps, so as to solve the problem that most of the existing wheelchairs proposed in the above-mentioned background technology cannot realize the function of going up and down steps; it is difficult for patients to transfer from the bed to the wheelchair; It is generally impossible to fold and cause the problem of too much space occupation

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