The invention provides a pressure relief and energy absorption structure of an automobile seat backrest. The pressure relief and energy absorption structure comprises the seat backrest and is characterized in that the seat backrest is provided with an air bag, the air bag is provided with a pressure relief valve, the pressure relief valve is closed when the air pressure in the air bag is smaller than a preset pressure relief threshold value, and the pressure relief valve is opened when the air pressure in the air bag is larger than the pressure relief threshold value. According to the invention, the air bag provided with the pressure release valve is arranged on the seat backrest, when an automobile runs normally, the closed pressure release valve can guarantee that the air bag provides stable backrest support for a passenger, and when rear-end collision happens to the automobile, high-pressure air in the air bag can be exhausted through the opened pressure release valve under the action of impact force of the passenger, impact energy of the passenger on the seat backrest is absorbed, and buffering protection of the passenger during rear-end collision of the automobile is achieved.
本发明公开了一种汽车座椅靠背的泄压吸能结构,包括座椅靠背,其特征在于:所述座椅靠背设置有气袋,该气袋安装有泄压阀,所述泄压阀在所述气袋内的气压小于预设的泄压阈值时关闭,在所述气袋内的气压在所述泄压阈值以上时打开。本发明通过在座椅靠背设置安装有泄压阀的气袋,在汽车正常行驶时,关闭的泄压阀能够确保气袋为乘员提供稳定的靠背支撑,在汽车发生追尾碰撞时,气袋内的高压气体能够受乘员的冲击力作用而通过打开的泄压阀排出,以吸收乘员对座椅靠背的冲击能量,实现对乘员在汽车发生追尾碰撞时的缓冲保护。
Pressure relief and energy absorption structure of automobile seat backrest
一种汽车座椅靠背的泄压吸能结构
2021-03-26
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |