The invention discloses a ratchet wheel assembly. The ratchet wheel assembly comprises a ratchet wheel body, a pawl and an elastic supporting piece. The pawl comprises a first connecting part, a containing part and a first limiting part; the first connecting part is located in the middle of the pawl. The containing part is located at the first end of the pawl. The first limiting part is located at the second end of the pawl. The first end and the second end of the pawl are arranged opposite to the middle position of the pawl; the ratchet wheel body comprises a second connecting part, a supporting part and a second limiting part which are arranged on the first plate face of the ratchet wheel body. The second connecting part is arranged close to the central hole of the ratchet wheel main body and is connected with the first connecting part of the pawl; the first plate face is the end face, deviating from a mandrel of the safety belt retractor, of the ratchet wheel. The supporting part and the second limiting part are arranged relative to the center hole, the supporting part is arranged relative to the containing part, and the elastic supporting piece is assembled between the containing part and the supporting part. The second limiting part is arranged opposite to the first limiting part of the pawl and used for being matched with the first limiting part to limit the movement range of the second end of the pawl in the ratchet wheel body.

    本申请公开了一种棘轮组件,包括:棘轮主体、棘爪以及弹性支撑件;棘爪包括第一连接部、容纳部和第一限定部;第一连接部位于棘爪的中部位置;容纳部位于棘爪的第一端,第一限定部位于棘爪的第二端;棘爪的第一端和第二端相对棘爪的中部位置设置;棘轮主体包括设置于棘轮主体的第一板面的第二连接部、支撑部和第二限定部;第二连接部靠近棘轮主体的中心孔设置,并与棘爪的第一连接部连接;第一板面为棘轮背离安全带卷收器的芯轴的一端面;支撑部和第二限定部相对中心孔设置,且支撑部相对容纳部设置,弹性支撑件装配于容纳部和支撑部之间;第二限定部相对棘爪的第一限定部设置,用于与第一限定部配合以限定棘爪的第二端在棘轮主体的活动范围。


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    Title :

    Ratchet wheel assembly and safety belt retractor


    Additional title:

    一种棘轮组件和安全带卷收器


    Contributors:
    WU JIANAN (author) / SHI BINGJUN (author)

    Publication date :

    2023-07-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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