The present invention provides a vehicle body rear structure capable of increasing impact absorption energy by crushing a rear frame in the front-rear direction of a vehicle body. A vehicle body rear structure (10) is provided with a rear frame (12) and a beam member (13). The rear frame is provided with a first inner rib (38), a first outer rib (39), a second inner rib (41) and a second outer rib (42). A first inner rib (38) and a first outer rib (39) are formed on the inner side wall (31) and the outer side wall (32) at positions close to the beam member, respectively. A second inner rib (41) and a second outer rib (42) are respectively formed on the inner side wall and the outer side wall at positions away from the first ribs (38, 39) toward the front of the vehicle body. The first outer rib is formed to be more vulnerable than the first inner rib.

    本发明提供能够使后框架在车身前后方向上压溃而增大冲击吸收能量的车身后部结构。车身后部结构(10)具备后框架(12)和梁构件(13)。后框架具有第一内侧筋条(38)及第一外侧筋条(39)、以及第二内侧筋条(41)及第二外侧筋条(42)。第一内侧筋条(38)及第一外侧筋条(39)在接近梁构件的部位处分别形成于内侧壁(31)及外侧壁(32)。第二内侧筋条(41)及第二外侧筋条(42)在相对于各第一筋条(38、39)向车身前方离开的部位处分别形成于内侧壁及外侧壁。第一外侧筋条形成为比第一内侧筋条增加脆弱性。


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    Title :

    VEHICLE BODY REAR STRUCTURE


    Additional title:

    车身后部结构


    Contributors:

    Publication date :

    2022-08-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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