Folding type transversely-moving electric stair climbing wheelchair

Abstract

The invention relates to a folding type transversely-moving electric stair climbing wheelchair. The folding type transversely-moving electric stair climbing wheelchair comprises stair climbing control handles, a seat frame, a backrest frame, armrests, a pedal, a stair climbing motor, front legs and rear legs, and is characterized in that walking push handles are arranged on the backrest frame; the stair climbing control handles are arranged at the front end of the seat frame; the rear legs can rise and fall; front stair climbing wheels, rear stair climbing wheels and antiskid positioning legs are arranged at the bottom of the seat frame; stair climbing legs are arranged on the two sides of the seat frame and are each composed of a horizontal rod, a fixed vertical leg and a length-adjustable vertical leg; a main shaft and an auxiliary shaft are arranged on the seat frame, the main shaft is connected with the stair climbing motor, the two ends of the main shaft are connected with one end of a main shaft crank, the two ends of the auxiliary shaft are connected with one end of an auxiliary shaft crank, the other end of the main shaft crank is connected with a horizontal rod, and the other end of the auxiliary shaft crank is connected with the horizontal rod; in the unfolded state, the backrest frame leans backwards in a flat and straight mode, the stair climbing control handles lean upwards towards the front, a headrest is arranged on the upper portion of the backrest frame, and the armrests and the pedal are horizontally arranged; in the folded state, the headrest is detached, the backrest frame is turned backwards to be vertical, the stair climbing control handles are turned backwards to be horizontal, the armrests are turned backwards to be in the same plane as the backrest frame, and the pedal is turned backwards to be vertical.

Description

technical field [0001] The invention relates to an electric stair-climbing wheelchair, in particular to a foldable translational electric stair-climbing wheelchair. Background technique [0002] In recent years, with the advancement of social technology and the development of the economy, more and more people live in buildings, coupled with the continuous improvement of people's quality of life requirements, electric stair-climbing wheelchairs have entered the family as a means of transportation for the elderly, weak, sick and disabled. Carry, in recent years the market has released folding electric stair-climbing wheelchair again, like this, for solving the actual life needs of sick and weak crowd, convenient condition is provided. Existing foldable electric stair climbing wheelchairs mostly have a star wheel or crawler structure. The star wheel stair climbing wheelchair mainly includes a stair climbing control handle, a seat frame, a foldable backrest connected to the seat...

AI Technical Summary

Problems solved by technology

The main defect of the existing folding electric stair-climbing wheelchair is that two wheels land on the ground when climbing the ladder, and the seat frame is tilted and unstable. Hidden danger

In addition, there are crawler-type climbing wheels on the market, but the disadvantages are high center of gravity, heavy weight, and large turning radius, especially when going downstairs, there is a downward bending and sudden inclination, which is also unstable and unsafe, and the price is expensive, so it is not suitable for ordinary residential buildings.

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