Wheelchair convenient to fold

Through the locking pin assembly and electric wheelchair design, the existing wheelchair plate-buckle structure has been solved, and a fast, labor-saving and safe wheelchair folding and use experience is achieved.

CN223041728UActive Publication Date: 2025-07-01ZHEJIANG RUICHUAN MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202422098450.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-07-01
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

The board-buckle lock structure of existing wheelchairs is laborious to operate and has the risk of clamping hands, which makes them poorly beautiful.

Method used

The locking pin assembly is adopted, including a connecting rod, slide groove, locking pin head, draw rope and handle. The locking pin head is driven to separate from the lock hole by rotating the handle to achieve rapid folding, and the locking pin head is automatically reset through a spring, and the locking pin head is automatically inserted into the lock hole with an arc groove. The electric wheelchair structure is designed to improve operational convenience.

Benefits of technology

It realizes the fast and labor-saving folding of the wheelchair, avoids the risk of clamping, improves the aesthetics, and supports the convenient use of electric wheelchairs.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a wheelchair convenient to fold, which comprises a seat supporting frame, a front supporting frame is hinged on the front side of the seat supporting frame, front wheels are arranged at the bottoms of two fork feet of the front supporting frame, rear supporting rods are respectively hinged on two sides of the seat supporting frame, rear wheels are arranged at the end parts of the rear supporting rods, and a backrest supporting frame is hinged on the rear side of the seat supporting frame. A side supporting rod is connected between the backrest supporting frame and the rear supporting rod, a lower supporting rod is connected between the side supporting rod and the front supporting frame, a lock hole is formed in the upper end of the side supporting rod, and a lock pin assembly corresponding to the lock hole is installed on the backrest supporting frame. The connecting pin can be driven to slide in the guide groove by rotating the handle, so that the lock pin head is driven to be separated from the lock hole under the action of the pull rope, unlocking when the wheelchair is folded is realized, and compared with a traditional plate buckle type structure, the unlocking mechanism has the advantages of being more convenient and labor-saving to operate, free of hand clamping risk and good in attractiveness.
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