The invention discloses a use method for a driver safety pre-protection device. 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; an air sac size expansion part starts to be ejected from a slit; the main contact parts between the safety belt and the upper trunk are areas from the shoulder parts to the chest part and belly part side areas; before a driver trunk is tied by the safety belt body, the air sac has a direct contact with the driver trunk part; a recessed part is divided by a tightening port into an upper cavity and a lower cavity communicated with the upper cavity; an air inlet channel capable of narrowing the space between the upper cavity and the lower cavity enables air in the air sac to fill up the upper cavity in priority; and the expanding part has a contact with a maximum stress part. The arc-shaped recessed part arranged in the middle of the air sac is adaptive to the contact part; and injection damage to the contact parts by the middle of the air sac after collision can be prevented.


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    Titel :

    Use method for driver safety pre-protection device


    Beteiligte:
    LIU LI (Autor:in)

    Erscheinungsdatum :

    20.01.2016


    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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