The invention provides a self-adjusting backrest of a seat, which comprises a backrest bracket serving as a supporting and mounting carrier; the backrest body is arranged at the front end of the backrest support and can move front and back, an elastic assembly is arranged between the backrest support and the backrest body, and the elastic assembly enables the backrest body to have a forward movement trend; the main side wings are located on the two sides of the backrest body and hinged to the backrest support; the linkage mechanism is arranged between the backrest body and the main side wings and used for converting front-back movement of the backrest body into front-back rotation of the main side wings and achieving self-adaptive wrapping. The self-adjusting backrest of the seat is compact in structure, low in manufacturing cost, capable of achieving self-adaptive adjustment of the side wings, good in wrapping performance, comfortable and safe to use and wide in application range.
本发明提供一种座椅自调节靠背,包括:靠背支架,作为支撑和安装载体;靠背本体,设置在所述靠背支架的前端,且能实现前后移动,所述靠背支架与所述靠背本体之间设有弹性组件,所述弹性组件使所述靠背本体有向前的运动趋势;主侧翼,位于所述靠背本体两侧且铰接在所述靠背支架上;联动机构,设置在所述靠背本体与所述主侧翼之间,用于将靠背本体的前后移动转换成主侧翼的前后转动并实现自适应包裹。本发明座椅自调节靠背,结构紧凑,制造成本低,能实现侧翼的自适应调节,包裹性好,使用舒适安全性,且适用范围广。
Self-adjusting backrest of seat
一种座椅自调节靠背
2025-01-10
Patent
Electronic Resource
Chinese
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
Rapid adjusting device of seat backrest and seat backrest
European Patent Office | 2023
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