Metal chair with self-locking function
The metal chair design with a self-locking function uses gear meshing and electromagnet attraction to adjust the seat height, solving the problem of poor adaptability of existing metal chairs and improving stability and flexibility.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU RONGYUN STAMPING
- Filing Date
- 2025-06-18
- Publication Date
- 2026-06-23
AI Technical Summary
The adjustment mechanism of existing metal chairs is easily damaged and cannot accommodate users of different weights and heights, thus limiting their range of use.
The structure features a self-locking design, including components such as a base, fixing plate, knob, gear, electromagnet, and tension spring. The seat height can be adjusted and locked through gear meshing and electromagnet attraction, ensuring stability.
It enables flexible adjustment of seat height to accommodate users of different heights and weights, improving usability and stability while reducing production and maintenance costs.
Smart Images

Figure CN224387057U_ABST