Hand-cranked assistive bicycle

Abstract

A hand-cranked assistive bicycle is characterized by comprising rear bicycle wheels, a front bicycle wheel, a seat, handbrakes, rockers, a link set, a bicycle driving shaft and ratchets; the handbrakes are mounted at the front ends of the rockers, the rear ends of the rockers are fixed on the frame, and the middle of the rockers are connected to the upper end of the link set; the link set is composed of four links and forms a diamond-shaped structure, the lower end of the link set is connected to the ratchets, the ratchets are mounted at two ends of the bicycle driving shaft, the left ratchet and the right ratchet are in opposite directions, and the left rocker and the right rocker are lifted up and pressed down alternately to drive the bicycle to move forward. The mechanism combining the rockers, the links and the ratchets is utilized cleverly, a rider can operate more simply, and force can be saved; the left rocker and the right rocker are lifted up and pressed down alternately to drive the bicycle to move forward, so that running smoothness of the bicycle can be improved; the rider can swing up and down the operating rods to drive the bicycle while lying on the backrest, so that riding comfortableness is increased.

Description

Technical field: [0001] The invention relates to a hand-cranked bicycle for assisting the disabled, which belongs to the technical field of assisting the disabled. Background technique: [0002] In recent years, the disabled bicycle market has developed rapidly, but most of the bicycles currently on the market designed for the disabled are 360-degree hand-driven bicycles. The body needs to lean forward, and for a disabled person, driving for a long time will be more exhausting, so it is particularly important to design a bicycle that is labor-saving and conforms to the habit of human body. Invention content: [0003] In order to design a bicycle for the handicapped with legs that conforms to the habits of the handicapped, the technical solution adopted in the present invention is: a hand-cranked bicycle for assisting the disabled, which is characterized in that it consists of a bicycle rear wheel, a bicycle front wheel, a seat, Composed of handbrake, rocker, connecting ro...

AI Technical Summary

Problems solved by technology

[0002] In recent years, the disabled bicycle market has developed rapidly, but most of the bicycles currently on the market designed for the disabled are 360-degree hand-driven bicycles. The body needs to lean forward, and for a disabled person, driving for a long time will be more exhausting, so it is particularly important to design a bicycle that is labor-saving and conforms to the habit of human body.

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