The invention discloses a transverse protection device for an automobile seat. The device comprises a cushion, the top of the cushion is movably connected with a backrest, the top of the backrest is movably connected with a headrest, and the inner surface of the backrest is fixedly connected with a fixing plate. According to the transverse protection device for the automobile seat, a self-locking mechanism is installed in the backrest, when the speed of an automobile is increased suddenly due to external factors, pressure borne by the backrest is increased suddenly in a short time, a cushion plate pushes a pull rod, the pull rod moves downwards, a short rod and a long rod push a rotary disc to move downwards, and due to the limiting effect of the long rod and the short rod, the rotating angle of a cam is reduced; meanwhile, an eccentric wheel structure formed by the fixing shaft and the rotating disc forces the cam to move downwards, the opening angle of the clamping plate is increased, the compression spring extrudes the bent plate, the friction force between the bent plate and the clamping plate and the inner surface of the cam is increased, and the friction force borne by the rotating disc is gradually increased in the process that the long rod and the short rod push the self-locking mechanism to descend; and the problem that elastic potential energy of a traditional elastic damping mechanism is prone to leakage is solved.
本发明公开一种汽车座椅横向防护装置,包括坐垫,所述坐垫的顶部活动连接有靠背,所述靠背的顶部活动连接有头枕,所述靠背的内表面固定连接有固定板。该汽车座椅横向防护装置,通过在靠背的内部安装自锁机构,当外部因素导致车辆速度陡增时,靠背受到的压力在短时间内突然增加,垫板推动拉杆,拉杆向下运动,短杆和长杆推动转盘向下运动,由于受长杆和短杆的限位作用,凸轮的转角变小,同时,固定轴和转盘形成的偏心轮结构迫使凸轮向下运动,夹板的张角增大,压缩弹簧挤压弯板,弯板和夹板与凸轮内表面的摩擦力增大,在长杆和短杆推动自锁机构下降的过程中转盘所受的摩擦力逐渐增大,解决了传统弹性减震机构弹性势能容易外泄的问题。
Transverse protection device for automobile seat
一种汽车座椅横向防护装置
2021-09-07
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
Automobile seat and protection structure with automobile seat
European Patent Office | 2021
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