The invention discloses an active safety headrest for a vehicle. The active safety headrest comprises a headrest fixing part fixedly connected with a seat framework; the headrest supporting part is slidably connected with the headrest fixing part; the headrest air bag is arranged between the headrest supporting part and the headrest fixing part; the shoulder air bag is arranged on the seat framework, the shoulder air bag is connected with the headrest air bag through a trigger air path, and a pressure limiting valve and a one-way valve are arranged on the trigger air path; when the shoulder air bag is pressed by a driver and passengers until the air pressure in the shoulder air bag is increased to exceed a set threshold value, the pressure limiting valve is opened, so that air enters the headrest air bag from the shoulder air bag, and the headrest supporting part is pushed to slide in the first linear direction relative to the headrest fixing part so as to be away from the headrest fixing part; the one-way locking assembly is used for preventing the headrest supporting part from sliding in a second linear direction opposite to the first linear direction relative to the headrest fixing part; wherein the one-way valve is arranged to only allow gas to flow from the shoulder airbag to the headrest airbag.

    本发明公开了一种车辆主动安全头枕,其包括:与座椅骨架固定连接的头枕固定部;头枕支撑部,其与头枕固定部可滑动连接;头枕气袋,其设于头枕支撑部和头枕固定部之间;肩部气袋,其设于座椅骨架上,所述肩部气袋与头枕气袋之间通过触发气路连接,所述触发气路上设有限压阀和单向阀;其中,当肩部气袋被驾乘人员压迫至肩部气袋内的气压上升至超过设定阈值时,所述限压阀开启,以使气体从肩部气袋中进入到头枕气袋内,以推动头枕支撑部相对于头枕固定部在第一线性方向上滑动以远离头枕固定部;单向锁止组件,其阻止头枕支撑部相对于头枕固定部在与第一线性方向相反的第二线性方向上滑动;其中所述单向阀被设置为仅允许气体从肩部气袋流向头枕气袋。


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    Title :

    Active safety headrest for vehicle


    Additional title:

    一种车辆主动安全头枕


    Contributors:
    LEE JONG (author) / WEI ZHIPING (author) / HE ZEXIA (author) / YU HUIMIN (author)

    Publication date :

    2023-10-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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