Bicycle for disabled persons

Abstract

The invention discloses a bicycle for disabled persons and aims to overcome the defects that a disabled person of unilateral lower extremity amputation feels tired easily and has difficulty to keep balance in a riding process because the disabled person keeps applying force by one side of the body while using a conventional bicycle, and the disabled person is prone to a crash accident when the conventional bicycle is braked. The bicycle comprises a rear wheel, a bicycle frame and a chain wheel, wherein the bicycle frame is provided with a pedal and a driving chain plate; the chain wheel is coaxially provided with a driven chain plate; one end of the pedal is in rotational connection with the bicycle frame, and the other end of the pedal is in rotational connection with a connecting rod; the tail end of the connecting rod is in eccentric rotational connection with the driving chain plate; the driving chain plate drives the driven chain plate by virtue of a transmission chain; supporting rods are arranged on the left side and the right side of the rear wheel and provided with supporting wheels, rotating reset mechanisms and swinging control mechanisms; the rotating reset mechanisms and the swinging control mechanisms are used for enabling the supporting rods to rotate to reset to vertical positions; the bicycle frame is provided with positioning clamps for positioning the supporting rods in horizontal positions. The bicycle has the advantages that the amputation side of the disabled person of unilateral lower extremity amputation can also help apply force during riding, and the bicycle is prevented from falling down when braked and stopped.

Description

technical field [0001] The invention relates to a bicycle, in particular to a bicycle used by disabled persons with unilateral lower limb amputation. Background technique [0002] Bicycle is used widely in daily life as a kind of convenient means of transportation, and cycling has become a kind of popular recreation especially. And the handicapped person of lower limb amputation is difficult to ride common bicycle because of the disability of its leg. Among them, the disabled with unilateral amputation are quite special. They can use the lower limb on the healthy side to smoothly pedal the bicycle pedal on one side, but they always keep the force on one side of the body, which is not only easy to fatigue, but also difficult to maintain balance during riding. . Moreover, when the bicycle brakes suddenly, the bicycle is still and topples to one side, and it is difficult for the disabled to keep their balance on the ground quickly like the healthy person of the lower limbs, a...

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to overcome the disadvantages that when a disabled person with unilateral lower limb amputation uses a bicycle in the prior art, keeping one side of the body exerting force is not only easy to fatigue but also difficult to maintain balance during riding; and the disadvantages of falling accidents are likely to occur when braking. Provided is a disabled person's bicycle that can assist the side of the amputated limb to exert force when riding, and can prevent the bicycle from tipping over when the brakes are stationary.

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