A collision buffering device for a motor vehicle is used for reducing vehicle damage in collision accidents. The collision buffering device is provided with a buffering mechanism and a collision beam, the buffering mechanism is provided with a buffer, a damping cover and a groove-shaped frame. A cylinder body of the buffer is arranged in the damping cover; second buffering space is formed between the bottom face of the cylinder body and the blind end of the damping cover, wherein the bottom face of the cylinder body faces the blind end of the damping cover; a groove opening of the groove-shaped frame is fixedly connected with a groove cover, the damping cover is arranged in the groove-shaped frame; second buffering space is formed between a plug of the groove-shaped frame and the blind end of the damping cover, wherein the plug of the groove-shaped frame faces the blind end of the damping cover; a plurality of inner rib grooves are formed in the inner wall of the damping cover, a plurality of outer rib grooves are formed in the outer wall of the damping cover, a plurality of inner convex ribs in movable clamping connection with the outer rib grooves of the damping cover respectively are arranged on the inner wall of the groove-shaped frame, and a plurality of outer convex ribs in movable clamping connection with the inner rib grooves of the damping cover respectively are arranged on the outer wall of the cylinder body of damper; the collision beam is fixedly connected with the telescopic rod end of the buffer; the collision beam is formed by sequential fixed connection of a metal plate layer, a plastic plate layer and foam panels; the groove width of the inner rib grooves or outer rib grooves of the damping cover is sequentially increased.


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    Title :

    Collision buffering device for motor vehicle


    Contributors:
    BAI JUNGUANG (author) / BAI YANSONG (author) / BAI SONGHUI (author) / LIU YANPING (author)

    Publication date :

    2015-08-12


    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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