The invention belongs to the technical field of seats, and particularly relates to a seat and an adjustable backrest mechanism thereof. Comprising a backrest, a linkage assembly and a locking assembly, the backrest is provided with a mounting rod, a supporting seat and a first position and a second position for retaining the mounting rod, the linkage assembly is used for switching the mounting rod between the first position and the second position, and the locking assembly acts on the linkage assembly and is used for locking the mounting rod at the first position or the second position. One end of the second connecting rod is rotationally connected with the first connecting rod, and the other end of the second connecting rod is rotationally connected with the mounting rod. Due to the fact that the supporting base, the linkage assembly and the locking assembly are arranged, the linkage assembly is provided with the first connecting rod and the second connecting rod which are rotationally connected with the supporting base and the backrest, the backrest can be adjusted in the front-back direction relative to the cushion in the rotating process of the first connecting rod and the second connecting rod, and a user can sit on the seat in the reverse direction.
本发明属于座椅技术领域,具体涉及一种座椅及其可调靠背机构。包括:靠背,具有安装杆,支撑座,具有供安装杆留置的第一位置和第二位置,联动组件,用于将安装杆在第一位置与第二位置之间进行转换,锁定组件,作用在联动组件上,用于让安装杆锁定在第一位置或第二位置上,其中,联动组件具有:第一连杆,一端与支撑座转动连接,另一端与安装杆转动连接,第二连杆,一端与第一连杆转动连接,另一端与安装杆转动连接。本发明由于设置了支撑座、联动组件和锁定组件,联动组件具有与支撑座以及靠背转动连接的第一连杆和第二连杆,使得靠背能够在第一连杆和第二连杆的转动过程中,相对于坐垫进行前后的方向调节,让用户可反向乘坐座椅。
Seat and adjustable backrest mechanism thereof
座椅及其可调靠背机构
2024-06-11
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |