Novel wheelchair capable of climbing stair

Abstract

The invention belongs to the field of ergonomics, and provides a novel wheelchair capable of climbing stair. The wheelchair combines the function of climbing stairs and ordinary wheelchairs. A planet-rolling-wheel converted walking type driving stair-climbing wheelchair device is designed. The wheelchair includes a frame, two planetary frames, six back wheels, two guide wheels, a center shaft, twocentre gears, six tansition gears, six end gears, a first driving gear, a second driving gear, a reducer, a mode transition mechanism, a vibration damper, a motor, and a guide wheel bracket. The setting of the planetary frame and a gear set makes stair-climbing mode and flat mode not influence each other. The critical component of the novel wheelchair capable of climbing stair nearly or entirelyuses mechanical structure, is concise in design, simple and convenient in operation, and high in reliability.

Description

technical field [0001] The invention belongs to the field of ergonomics, in particular to a wheelchair capable of climbing stairs. Background technique [0002] With the development of science and technology and the progress of civilization, it has created a rich space for human development, but it has also brought some significant social problems. For example, due to old age, accidents or leg disabilities, the disabled and the elderly lose their ability to move freely, which brings huge burden and psychological pressure to themselves and their families. Stairs are an important part of general buildings, but have you ever thought that the stairs that bring convenience to ordinary people just cause trouble to those disabled people who need wheelchairs, especially in China, where the economic development is uneven, many buildings in many places do not have The installation of elevators has brought physical and mental adverse effects to many physically handicapped people. How...

AI Technical Summary

Problems solved by technology

[0004] At present, the level of urbanization in my country is constantly improving, but the per capita housing area is not large, and the income level is not high. Most people live in apartment-style buildings. Generally, buildings below 7 floors are not equipped with elevators. A lot of inconvenience to the families of people

Wheelchairs are the preferred tool for the elderly, the weak, the sick, and a very important necessity. Ordinary wheelchairs are basically not difficult to drive on flat ground or on slopes with small slopes. However, when encountering stairs, in addition to manual movement by assistants There is little else better, which severely limits the range of motion for wheelchair users

Analyzing the reasons, the main reason is that ordinary wheelchairs do not have an executable mechanism for going up and down stairs, and are generally relatively large in size, so they cannot be used in ordinary apartment-style corridors.

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