Stair climbing wheelchair

Abstract

The invention provides a stair climbing wheelchair. The stair climbing wheelchair comprises a wheelchair frame, lifting frames, a frame body lifting mechanism and a wheel train lifting mechanism; armrest frames are symmetrically arranged on the two sides of the top of a seat frame left and right; a supporting frame is arranged at the bottom of the seat frame; the front portion of the supporting frame is connected with a front fixing roller through a support, and the rear portion of the supporting frame is connected with a rear lifting roller through an auxiliary lifting mechanism; the lifting frames are symmetrically arranged on the two sides of the seat frame and connected with the wheelchair frame through the frame body lifting mechanism correspondingly; an upper connecting pipe and a lower connecting pipe are symmetrically arranged on the rear sides of the lifting frames on the left side and the right side up and down; front rolling wheels are arranged at the front ends of the bottoms of the lifting frames; the wheel train lifting mechanism is arranged on the upper connecting pipe and the lower connecting pipe and connected with rear lifting supporting legs; and a rear roller is arranged at the bottom of each rear lifting supporting leg. The wheelchair can go upstairs and downstairs, and is small in size, easy to operate and low in price.

Description

Technical field[0001]The invention belongs to the technical field of climbing the wheelchair, in particular to a crawling wheelchair.Background technique[0002]Wheelchair is an indispensable penetration tool for the old man and the lower limb disabled. With the increase of barrier-free facilities, the range of activities of wheelchair users will gradually increase, but the stairs have made wheelchairs. Therefore, many people who are inconvenient to have extremely limited activities, most of them can only stay at home, and the world is eager but not.[0003]The development of intelligent mobile facilities technology provides intelligent equipment with new mobile platforms, in the field of climbing the floor, can also utilize this technology to achieve intelligent climbing. And with the gradual improvement of people's living standards, many disabled or old people are biased to use electric wheelchairs while equipped with various intelligent modules.[0004]Although compared to the manual w...

AI Technical Summary

Problems solved by technology

[0004] Although compared with manual wheelchairs, electric wheelchairs are more convenient, but there are still major deficiencies in their use. The market is increasingly demanding smart wheelchairs that are comfortable, safe, assisted, and easy to operate.

At present, the stair climbing wheelchairs in the domestic market are expensive, users cannot operate independently, lack of stability, and the structure is complex and difficult to maintain. Therefore, there is no domestic wheelchair that is small in size, easy to operate, and low in price, and is suitable for residents' stairs and the majority of disabled people. stair-climbing wheelchairs for the elderly

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