Portable folding caterpillar band type stairs climbing chair

Abstract

The invention relates to a portable folding caterpillar band type stairs climbing chair. The chair is provided with a chair back frame, wherein a lower end hinge fixing piece is fixed at the lower end of the chair back frame, and is hinged to a bottom chair wheel fixing frame; universal supporting wheels are arranged at the front part of the bottom chair wheel fixing frame; rear chair wheels are arranged at the rear part of the bottom chair wheel fixing frame; a rear chair wheel middle fixing shaft is arranged between the rear chair wheels; a folding type pedal rack is further arranged at the front part of the bottom chair wheel fixing frame; a caterpillar band stairs climbing device is further arranged on the lower end hinge fixing piece; sliding chutes through which a deploying and retracting frame slides up and down are formed in the caterpillar band stairs climbing device; the caterpillar band stairs climbing device is fixed on the rear surface of the chair back frame through the deploying and retracting frame. The portable folding caterpillar band type stairs climbing chair is suitable for being used by old people and disabled people who are unable to move freely, and has the advantages of scientific and reasonable structural design, steady work, convenience for operation, safety and reliability.

Description

technical field [0001] The invention belongs to the technical field of wheelchairs, in particular to a foldable electric wheelchair. Background technique [0002] Most of the buildings in the existing old communities in our country are mainly 6 plus 1 slab buildings. Most of them do not have elevators. Basically, stairs are used as the main passage for going up and down. For young people, it is nothing to worry about. You can exercise by climbing stairs, but for older people, going up and down stairs is a matter of course. Usually, climbing stairs once is exhausting, especially for some disabled people and those with limited mobility. For many people, going up and down stairs has become a headache. Usually, young people need to go up and down stairs with their backs on their backs, and then take a wheelchair. It is okay when there are family members, and this problem can be solved. It is basically impossible to go up and down stairs without family members. The special stair...

AI Technical Summary

Problems solved by technology

[0002] Most of the buildings in the existing old communities in our country are mainly 6 plus 1 slab buildings. Most of them do not have elevators. Basically, stairs are used as the main passage for going up and down. For young people, it is nothing to worry about. You can exercise by climbing stairs, but for older people, going up and down stairs is a matter of course. Usually, climbing stairs once is exhausting, especially for some disabled people and those with limited mobility. For many people, going up and down the stairs has become a headache. Usually, young people need to go up and down the stairs with their backs on their backs, and then take a wheelchair. It is okay when there are family members, and this problem can be solved. It is basically impossible to go up and down the stairs without family members.

The special stair-climbing wheelchairs sold on the existing market are a combination of a special fixed-length crawler-type stair-climbing chassis and an existing human-pushed double-wheeled wheelchair, which basically solves the problem of stair-climbing, but the car body is heavy and difficult to carry. It is inconvenient to carry, it is inconvenient to go out, and it takes up too much space in the room, etc.

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