Crawler-type land-stair dual-purpose scooter

Abstract

The invention discloses a crawler-type land-stair dual-purpose scooter. A crawler-type travelling device thereof consists of two groups of left and right sprocket and chain transmission mechanisms arranged in parallel, each sprocket and chain transmission mechanism consists of a front jockey sprocket arranged at the front end of a frame, a rear jockey sprocket arranged at the rear end of the frame, a support sprocket, and a crawler belt consisting of wide chain-link chains and arranged on the front and rear jockey sprockets and the support sprocket; dentiform slip-resistant rubber pads are uniformly distributed at the outer ring of the crawler belt; after the scooter is assembled, the front jockey sprocket thereof tilts upwards to form a tank crawler type structure; when a user walks up and down the stairs, the crawler belt and the slip-resistant rubber pads of the scooter can be fixedly lapped to the stairs, and the scooter moves upwards and downwards on the stairs under the dynamic action of a motor; and a power transmission mechanism consists of the motor, a worm gear variator and sprocket / chain driving parts. The whole machine of the scooter has the advantages of reasonable structure, good maneuvering characteristics for crawling stairs, smooth, agile and convenient turning and no impact.

Description

technical field [0001] The invention relates to a scooter, in particular to a crawler-type dual-purpose scooter for flat ground and stairs in the shape of a tank crawler. Background technique [0002] With the development of the economy and the improvement of living standards, the vast majority of urban residents have moved into comfortable multi-storey apartment buildings due to the improvement of housing conditions, but this has also brought difficulties for people with physical disabilities or other disabilities to go up and down stairs. Great inconvenience, so that they may not be able to go downstairs for a long time. In order to allow the disabled patients of the lower limbs living in multi-storey buildings or the people with inconvenient walking to walk conveniently on level ground, and to go up and down the stairs conveniently, the applicant once designed a crawler-type "electric multifunctional stair car" (patent No.: 97206501.6) and the planetary-wheeled "flat and...

AI Technical Summary

Problems solved by technology

The shortcomings of the scooter of the above technology are: unreasonable structure, insufficient power to climb stairs after assembly, easy to cause impact on the stairs when going up and down the stairs, which will damage the steps, or cause slipping and slipping, especially at the corner of the stairs. Turning is difficult and inflexible , the ride is not stable, lack of security, etc.

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