Headrest backrest linkage mechanism and sofa
By designing a headrest-backrest linkage mechanism, a four-bar linkage is used to achieve linkage between the headrest and backrest, solving the problem of inconvenient disassembly of the existing sofa headrest lifting function, and realizing rapid disassembly and assembly and low-cost production.
CN122398068APending Publication Date: 2026-07-17ZHEJIANG KAICHUANG TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ZHEJIANG KAICHUANG TECH CO LTD
- Filing Date
- 2025-01-15
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The headrest lifting function of existing sofas usually uses a motor and linkage, which increases the weight of the backrest and the cost of use, and is not convenient for disassembly and installation.
Method used
Design a headrest and backrest linkage mechanism, including a base, a seat frame assembly, a backrest assembly, a headrest drive assembly, and a headrest linkage assembly. The linkage between the headrest and backrest is achieved through a four-bar linkage mechanism, which facilitates quick assembly and disassembly.
Benefits of technology
It enables quick assembly and disassembly of the headrest and backrest, reducing production costs, improving production efficiency, and featuring a simple and aesthetically pleasing structure.
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Smart Images
Figure CN122398068A_ABST
Abstract
本申请提供一种头枕靠背联动机构及沙发。头枕靠背联动机构包括底座、座框组件、靠背组件、头枕驱动组件、头枕连杆组件和头枕框架。座框组件设置在底座上并与底座连接。靠背组件可拆卸地连接于座框组件的后端上方。头枕驱动组件的一端与座框组件连接，头枕驱动组件的另一端与头枕连杆组件可拆卸地连接，头枕连杆组件分别与靠背组件和头枕框架连接，所述头枕框架设置在所述靠背组件的上方。通过将靠背组件与座框组件拆除，头枕驱动组件与头枕连杆组件拆除，进而实现靠背组件和头枕框架的快速拆装。
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