Multifunctional electric wheelchair for barrier-free travel

Abstract

The invention relates to a multifunctional electric wheelchair for barrier-free travel. A common wheel type and supporting power assisting arm collaboration caterpillar combination is adopted, and an auxiliary wheelchair is inlaid in the caterpillar combination, so that the multifunctional electric wheelchair can travel on flat grounds, stairs and steps and is beneficial to disabled persons in daily life. The multifunctional electric wheelchair comprises a seat, a backrest, armrests and pedal plates. The bottom of the backrest is arranged at the rear end of the top of the seat, a main frame is arranged below the seat, two sides of the seat are respectively connected with the main frame by automatic balance devices, two caterpillars are further symmetrically arranged at the bottom of the main frame, and auxiliary telescopic supporting arms are respectively arranged on two sides of the main frame and are close to the rear end of the main frame; the auxiliary wheelchair is arranged in the main frame, and the pedal plates are arranged on the auxiliary wheelchair. The multifunctional electric wheelchair has the advantages that when a user climbs the stairs, telescoping actions of the auxiliary telescopic supporting arms are matched with movement of the caterpillars, so that the user can climb up/down the stairs or leave the stairs; the caterpillars can independently travel on oblique planes of the stairs, so that the user can sit on the auxiliary wheelchair to go to a toilet or go to a bed or get out of the bed as needed.

Description

technical field [0001] The invention relates to the technical field of wheelchairs, in particular to a multifunctional electric wheelchair for barrier-free travel. Background technique [0002] Wheelchairs are an indispensable necessity in life for the elderly, weak and disabled. With the maturity of electric bicycle technology, electric wheelchairs have gradually entered people's field of vision. Various designs have emerged, including star-wheel, crawler, walking, etc., but these designs have largely failed to gain popularity. [0003] Even in developed countries, most of the current manual wheelchairs are still using ordinary manual wheelchairs. The main reason is that it is difficult to have a design that can take into account complete safety, small fluctuations, extensive adaptability to obstacles, small size, The appearance is not too abrupt, and the most important thing is that for people with simple lower limb disabilities, these wheelchairs cannot help them get rid...

AI Technical Summary

Problems solved by technology

[0002] Wheelchairs are an indispensable necessity in life for the elderly, weak and disabled. With the maturity of electric bicycle technology, electric wheelchairs have gradually entered people's field of vision. Various designs have emerged, including star-wheel, crawler, walking, etc., but these designs have largely failed to gain popularity

[0003] Even in developed countries, most of the current manual wheelchairs are still using ordinary manual wheelchairs. The main reason is that it is difficult to have a design that can take into account complete safety, small fluctuations, extensive adaptability to obstacles, small size, The appearance is not too abrupt, and the most important thing is that for people with simple lower limb disabilities, these wheelchairs cannot help them get rid of their caregivers to a large extent.

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