The seat waist support comprises a backrest, a base body and a supporting plate located on the front side of the base body are installed in the backrest, a push arm is arranged between the base body and the supporting plate, and the push arm is arranged between the base body and the supporting plate in the vertical direction; the upper end of the pushing arm is rotationally connected with the base body, the lower end of the pushing arm abuts against the rear side of the supporting plate, and a second driving mechanism is installed on the base body and used for driving the pushing arm to rotate around the rotating center of the pushing arm; the lower end of the push arm can push the supporting plate to move forwards relative to the base body. The backrest has the advantages that the front-back adjusting function of the waist support can be achieved by controlling the rotating angle of the pushing arm, the pushing arm is longitudinally arranged, the internal space of the backrest cannot be excessively occupied, and the compactness of the overall structure of the backrest is guaranteed.
本发明公开了一种座椅腰托,包括靠背,所述靠背内安装有基体以及位于基体前侧的托板,所述基体与托板之间设有推臂,所述推臂沿竖直方向布局在基体与托板之间;推臂上端与基体转动连接,下端与托板后侧抵接,所述基体上安装有第二驱动机构,所述第二驱动机构用于驱动推臂绕其转动中心转动;所述推臂转动,其下端能够推动托板相对于基体向前移动。本发明的有益效果是:通过控制推臂转动角度,能够实现腰托的前后调节功能,并且推臂采用纵向布局,不会过多占用靠背内部的空间,保证了靠背整体结构的紧凑度。
Seat waist support
座椅腰托
2024-11-19
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |