The invention relates to a pre-tightening safety system child seat which is characterized in that a seat body is provided with a safety belt, the safety belt is unwound and connected with a safety belt retractor at the lower part of the seat body, an acceleration sensor and a safety system triggering device are mounted at the lower part of the seat body, and the safety system triggering device comprises an instantaneous pull rod and a triggering cavity; a triggering piston rod is arranged in the triggering cavity and externally connected with one end of an instantaneous pull rod, the other end of the instantaneous pull rod is connected with a safety belt retractor, a detonating cavity located on one side of the instantaneous pull rod is formed between the triggering piston rod and an inner cavity of the triggering cavity, a gunpowder bag with an electronic ignition device is arranged in the detonating cavity, and the electronic ignition device is connected with a controller. The controller is connected with the acceleration sensor. The device is simple in structure, can prevent safety injury caused by overlarge instantaneous acceleration change, and improves the use safety and comfort.

    本发明涉及一种预紧式安全系统儿童座椅,座椅本体上设置安全带,安全带放卷连接座椅本体下部的安全带卷收器,加速度传感器和安全系统触发装置安装在座椅本体下部,所述安全系统触发装置包括瞬时拉杆、触发腔体,触发腔体内设触发活塞杆,触发活塞杆外接瞬时拉杆一端,瞬时拉杆另一端接安全带卷收器,触发活塞杆与触发腔体内腔之间形成位于瞬时拉杆一侧的起爆腔,起爆腔内设带电子打火装置的火药包,电子打火装置接控制器,控制器接加速度传感器。其结构简单,能防止瞬时加速度变化过大时产生的安全伤害,提高使用安全、舒适。


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    Title :

    Pre-tightening safety system child seat


    Additional title:

    一种预紧式安全系统儿童座椅


    Contributors:
    CAO YANG (author)

    Publication date :

    2022-07-12


    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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