A lumbar support connecting structure of a chair
By using a connection structure consisting of a backrest fixing plate, insert plate, lumbar support fixing block, and coil spring, the lumbar support can be flexibly offset relative to the backrest, solving the problem of separation between the lumbar support and the waist in traditional connection methods, thus improving the comfort and usability of the chair.
CN224522710UActive Publication Date: 2026-07-21ZHEJIANG HENGYU SMART FURNITURE CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG HENGYU SMART FURNITURE CO LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-07-21
Smart Images
Figure CN224522710U_ABST
Abstract
The utility model discloses a kind of lumbar support connecting structure of chair, including chair back fixed plate, plugboard, lumbar support fixed block and coil spring. The first connecting surface of chair back fixed plate one side is connected with chair back, the other side is provided with slot;Plugboard is inserted into slot, and its both ends have first connecting column;Lumbar support fixed block one side has the second connecting surface connected with lumbar support, the other side has second connecting column, and the outer ring of two connecting columns is provided with spiral groove;The both ends of coil spring are respectively screwed with two connecting columns. The structure realizes that lumbar support is flexibly offset to all around relative to chair back, avoids that lumbar support is separated from waist part, continuously provides effective support, and substantially improves the comfort and applicability of chair.
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