The invention relates to an underfloor (1) of a motor vehicle, having a flat floor (2) and having a deformation (3) in the form of at least one flange (10) on each of two longitudinal sides lying opposite each other in the transverse direction of the motor vehicle, the underfloor (1) extending between a front axle and a rear axle of the motor vehicle, the lower base plate (1) is thermally deformed and press-hardened as a one-piece sheet-metal deformation component in a press stroke, regions having different tensile strengths Rm and/or wall thicknesses are formed, and an outwardly projecting flange (10) is provided, the flange has a bolt hole as a tightening point to the motor vehicle body and the flange (10) is soft and has a tensile strength Rm of less than 1000 MPa.

    本发明涉及一种机动车的下底板(1),具有面状的底部(2)以及在两个沿机动车横向方向相对置的纵向侧上分别具有呈至少一个法兰(10)形式的变形部(3),并且所述下底板(1)在机动车的前轴与后轴之间延伸,其中,所述下底板(1)作为一件式的板材变形构件在一个压力机冲程中被热变形且加压硬化,其中,构造有具有彼此不同的抗拉强度Rm和/或壁厚的区域,存在向外突出的法兰(10),所述法兰具有作为到机动车车身上的拧紧点的螺栓孔并且所述法兰(10)被构造成软的,具有小于1000MPa的抗拉强度Rm。


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    Title :

    Bottom plate of motor vehicle


    Additional title:

    机动车的下底板


    Contributors:

    Publication date :

    2025-03-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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