The invention relates to the technical field of safety belts, in particular to a clutch for an automobile safety belt. The clutch for the automobile safety belt comprises a clutching ratchet wheel, locking claws, a trigger piece, a gear base and a gear box body. Compared with the prior art, cover piece parts of the clutch are omitted, the locking claws of the clutch are directly fixed to the gear base, and the number of the parts is decreased, so that the clutch is more convenient to assemble and lower in cost. Interference fit between the trigger piece and the gear box body is utilized to produce a frictional force, the locking claws are guided to rotate so as to achieve engaging and disengaging actions of the clutch, the clutch can be triggered to work only by needing a smaller frictional force, accordingly friction loss during drive is reduced, drive efficiency is improved, and energy loss is reduced. A spiral groove structure is added for the clutch and used for storing lubricating grease so as to decrease the frictional force in operation. The trigger piece and the locking claws are made of different materials, so that noise produced in the operating process of the clutch is reduced. Different power transfer demands are met through matching of different numbers of locking claws.


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    Titel :

    Clutch for automobile safety belt


    Beteiligte:
    WANG FEI (Autor:in) / XU JUN (Autor:in) / ZHAO WEI (Autor:in)

    Erscheinungsdatum :

    01.07.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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