A height-adjustable smart wheelchair

By introducing worm gear transmission and threaded rod nut structure into the smart wheelchair, the problems of inconvenient height adjustment, complicated operation and insufficient stability of existing wheelchairs have been solved, realizing convenient and stable height adjustment, and improving the user's sense of security and ease of operation.

CN224421325UActive Publication Date: 2026-06-30山东众邦智能科技股份有限公司
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Patent Information

Application Number
CN202522007886.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-18
Publication Date
2026-06-30
Estimated Expiration
2035-09-18

AI Technical Summary

Technical Problem

Existing smart wheelchairs are inconvenient in height adjustment, complicated to operate, and lack stability, causing inconvenience and safety hazards to users' daily lives.

Method used

The height adjustment mechanism includes a worm gear drive and a threaded rod and nut structure. The worm drives two adjusting threaded rods to rotate synchronously. Combined with the sliding connection of the support column, it can achieve smooth lifting and precise positioning of the seat support and avoid tilting and swaying.

Benefits of technology

It enables convenient operation and synchronous control of height adjustment, ensuring that the seat support remains stable at any height, thus enhancing the user's sense of security and ease of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of mobility aids, specifically to an intelligent wheelchair with adjustable height. It includes a wheelchair base, a seat support above the base, two armrests fixedly connected to the upper surface of the seat support, two footrests fixedly connected to the side walls of the wheelchair base, a support housing fixedly connected to the bottom surface of the base, a support plate fixedly connected to the inner wall of the support housing, and a height adjustment mechanism comprising two height adjustment components and a starting component. This utility model, through its height adjustment components, enables smooth raising and lowering and precise positioning of the seat support. The starting component allows for convenient operation and synchronous control of height adjustment, ensuring consistency in height adjustment on both sides while allowing the seat support to remain stably stationary at any adjusted height.
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Citation Information

Patent Citations

  • Wheelchair with height convenient to adjust

    CN209864360U