The invention discloses a shoulder strap tensioning device which is used for being installed on an aircraft seat and matched with a parachute strap to form safety constraint. Comprising two groups of shoulder strap units which are integrally mounted together, and each shoulder strap unit comprises a shoulder strap mechanism, an automatic recovery mechanism, a manual release mechanism, an inertia locking mechanism and a manual locking mechanism; the shoulder strap mechanism comprises a strap winding wheel, shoulder straps, locking pieces arranged at the ends of the shoulder straps and locking pins used for locking the locking pieces. The shoulder straps on the two sides bypass the umbrella straps on the two sides respectively and then are locked by the locking pins, and then safety constraint is formed. The automatic recovery mechanism is used for providing shoulder strap recovery force for the strap winding wheel; the manual release mechanism is used for manually operating to drive the locking pin to retreat from the locking sheet to realize manual release; the inertia locking mechanism is used for clamping and stopping the strap winding wheel when the shoulder strap is pulled out too fast; the manual locking mechanism is used for achieving locking through manual operation. According to the device, the shoulder restraint effect of a four-point type or five-point type safety belt can be achieved, two shoulder straps do not need to be used for being bound to the front portion of the trunk of a passenger, and comfort is improved.

    本发明公开一种肩带拉紧装置,用于安装在飞机座椅上并与伞背带配合形成安全束缚;包括集成安装在一起的两组肩带单元,肩带单元包括肩带机构、自动回收机构、手动释放机构、惯性闭锁机构和手动闭锁机构;肩带机构包括卷带轮、肩带、设在肩带端部的锁定片、用于锁定锁定片的锁定销,两侧肩带分别绕过两侧伞背带后由锁定销锁定即形成安全束缚;自动回收机构用于给卷带轮提供回收肩带的力;手动释放机构用于手动操作带动锁定销退出锁定片实现手动释放;惯性闭锁机构用于肩带拉出过快时将卷带轮卡停;手动闭锁机构用于手动操作实现闭锁。该装置能起到四点式或五点式安全带肩部约束的效果,无需采用两根肩带束缚在乘员躯干前部,提高了舒适性。


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    Title :

    Shoulder strap tensioning device


    Additional title:

    肩带拉紧装置


    Contributors:
    XIONG BIN (author) / LI LIANGLIANG (author) / YOU YANG (author) / LI YANAN (author) / CHENG XI (author)

    Publication date :

    2024-12-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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