Novel brushless light-weight electric wheelchair

By installing electric guide rails and massage heads on electric wheelchairs, the problem of electric wheelchairs lacking massage functions is solved, achieving the blood circulation-promoting effect of back massage, avoiding discomfort from prolonged sitting, and providing flexible adjustment of massage position.

CN224292108UActive Publication Date: 2026-05-29JERRY MEDICAL INSTR (SUZHOU) CO LTD
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Patent Information

Application Number
CN202520528895.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-05-29
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing electric wheelchairs do not have a back massage function, which leads to physical discomfort and fatigue after sitting for a long time.

Method used

An electric guide rail and a massage head are installed on the back of the wheelchair backrest frame. The massage head is driven to rotate by a drive motor and is equipped with a position sensor and controller to realize the position detection and control of the massage head. The surface of the massage head is provided with a massage sleeve and protrusions. The massage sleeve can move along the keyway to adjust the position.

Benefits of technology

It provides a back massage function to avoid discomfort caused by prolonged sitting, reduces the risk of bumps and bruises through elastic contact, and has an adjustable massage head position for high flexibility.

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Abstract

The utility model discloses a novel brushless light-weight electric wheelchair which comprises a downward electric guide rail fixed on the back side of a wheelchair backrest frame, a mounting seat is mounted at the sliding end of the electric guide rail through a spring seat, and a massage head used for massaging the back of a person is mounted on the mounting seat through a fixing frame. The mounting seat is provided with a driving motor for driving the massage head to rotate, the two ends of the electric guide rail are respectively provided with a position sensor for detecting the position of the massage head, the wheelchair is further provided with a controller, and the position sensors, the electric guide rail and the driving motor are all electrically connected with the controller. The massage mechanism can move up and down, so that the whole back side can be massaged in a memorial mode, the effect of activating blood is achieved, the uncomfortable body caused by long-time sitting is avoided, the massage head is in elastic contact with the back of the human body due to the arrangement of the spring seat, and the back of the human body is prevented from being knocked.
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