Continuous manual wheelchair drive mechanism

Abstract

The invention discloses a continuous manual wheelchair drive mechanism, belonging to the civil technical field. The mechanism comprises a drive handle component, a brake handle component, a connecting rod, a fixed rod component, a short drive handle component, a hub, a hub bearing, a pin shaft, a vehicle frame, and the like. The mechanism is designed aiming at the need of labor saving and continuous self-help drive of a wheelchair, therefore, a user can realize the function of continuous walking drive by moving the drive handle forwards or backwards according to the requirements of self arm strength or speed, as well as manipulations of changing the size of an elongated slot or a moving region of a sliding block of the drive handle and the short drive handle, and the like can meet the regulating requirements of different users to the swinging range of the drive handle, and can conveniently ensure that the user can drive the wheelchair in a self-help mode, thereby the self-care abilityof disabled people is enhanced. Meanwhile, the device has the portability after being combined with a foldable wheelchair.

Description

Technical field [0001] The invention relates to an uninterrupted manual wheelchair driving mechanism, which belongs to the civilian technical field. Background technique [0002] The disabled group is an important group of social concern, and wheelchairs are an important branch of disability aids. For people with lower limb disabilities, wheelchairs are an indispensable means of transportation. The wheelchair is designed to be user-friendly, cheap and easy to carry, which will effectively improve the self-care ability of disabled users. [0003] Wheelchairs are usually divided into two categories: ordinary wheelchairs and special wheelchairs. Ordinary wheelchairs are generally composed of four parts: chair frame, wheels (big wheels and small wheels), brakes and seat backs, including corresponding hand wheels, tires, backrest armrests or arm rests, foot rests and leg rests, etc.; special wheelchairs It is derived from ordinary wheelchairs according to the physical function and pur...

AI Technical Summary

Problems solved by technology

At present, wheelchairs without self-driving function on the market must be powered by a second party, and disabled users have poor self-care ability

What a large proportion of ordinary users need is a wheelchair that is convenient, cheap, and can expand certain self-care functions, such as the self-driving function without the help of a second party, etc. The wheelchairs that can meet this requirement mainly include the following Several types: the first type is the type of electric vehicle, the power is provided by the battery, which can achieve the purpose of saving labor, but it is expensive, heavy, not easy to carry, and it is beyond the purchasing power of poor users; the second type of power source It can come from the second person or from the user himself, that is, the manual push wheel is used for driving, but this method is intermittent driving, which requires a lot of force when climbing or starting

Images