The invention relates to the technical field of inflatable back cushions, and discloses a multi-grade inflatable back cushion with an external inflation device, the multi-grade inflatable back cushion comprises an inflatable back cushion main body, the outer surface of the inflatable back cushion main body is provided with an opening, the opening is fixedly connected with a breather pipe through a connecting shell, and an inner cavity of the breather pipe is provided with a double-seal air seal mechanism; the top of the double-sealing air sealing mechanism is connected with an external inflation and deflation device in a combined mode. The external inflation and deflation device comprises an inflation main part, and the bottom of the inflation main part is in butt joint with an airflow transfer cabin. According to the inflatable back cushion, the inflation and deflation ports of the inflatable back cushion are integrated, air is fed and discharged through a single ventilation pipe, the number of holes in the inflatable back cushion is reduced, the product structure is simplified, and the workload of the sealing technology at the holes is reduced; according to the inflatable back cushion, the ventilation pipe is subjected to circulation blocking through the double-sealing air sealing mechanism, the double-sealing effect can be achieved through the structural arrangement of the double-sealing air sealing mechanism, the sealing performance of the inflatable back cushion is improved, and the product reliability is improved.

    本发明涉及充气靠枕技术领域,且公开了一种外置充气装置的多档次充放气的靠枕,包括充气靠枕主体,充气靠枕主体外表面设置开口,其开口处通过连接壳固定连接有通气管,通气管内腔设置有双密封气封机构,双密封气封机构顶部组合连接有外置充放气装置;外置充放气装置包括有充气主件,充气主件底部对接有气流中转舱,本发明将充气靠枕的充放气端口一体化,通过单一通气管进出气,减少了充气靠枕上开孔数量,简化了产品结构,使开孔处密封工艺工作量缩减;通过设置双密封气封机构对通气管进行流通堵塞,通过双密封气封机构结构设置可达到双重密封效果,提高了该充气靠枕的密封性能,增加了产品可靠性。


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    Title :

    Multi-grade inflating and deflating back cushion with external inflating device


    Additional title:

    一种外置充气装置的多档次充放气的靠枕


    Contributors:

    Publication date :

    2024-06-14


    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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