The invention discloses an active safety belt use method. The use method comprises the following steps that when a driving state quickly decelerates from high speed, an air pump connected with a vehicle driving safety system starts to work and directly inflates the air sac; a wedging section has a direct contact with a stress part; the external diameter of a narrowing section is gradually decreased along a vertical downward direction of an air inlet, so small air amount is used for the narrowing section during inflation and after the narrowing section is inflated in short time and airflows can be directed filled into the wedging section; an expansion part of the wedging section can be shortened and a contact time between the expansion part and the maximum stress part can be achieved; an S-shaped stitching line is arranged in a slit part of the narrowing section; when pressure in the narrowing section reaches a regulated value, the stitching line is jacked by the narrowing section; the wedging section contacts with the upper trunk, so a motion track of the narrowing section can be only applied to the belly side area upon ejection; and the area is prevented from rein injuries.


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    Title :

    Active safety belt use method


    Contributors:
    LIU LI (author)

    Publication date :

    2016-01-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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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