The invention discloses an automobile rear floor rear section assembly which comprises a rear floor rear section body, a spare tire mounting support, a rear floor upper cross beam, a left side plate, a right side plate, a rear floor lower reinforcing beam, a rear floor left side beam, a rear floor right side beam and a silencer heat insulation plate. A spare tire mounting pool is arranged in the middle of the rear floor rear section body, and the spare tire mounting support is arranged on the upper side of the middle of the spare tire mounting pool. The rear floor upper cross beam and the rear floor lower reinforcing beam are arranged on the upper side and the lower side of the front portion of the rear floor rear section body respectively. The left side plate and the right side plate are arranged on the left side and the right side of the rear portion of the rear floor rear section body respectively. According to the invention, not only can the arrangement of a silencer, a spare tire and the like be met, but also the torsional rigidity requirement of the whole vehicle can be met, the modality of a spare tire mounting pool is ensured to reach the standard, and the NVH acceleration noise of the whole vehicle is ensured to meet target values at 37Hz, 50Hz, 57Hz and 71Hz.

    本发明公开了一种汽车后地板后段总成,包括后地板后段主体、备胎安装支架、后地板上横梁、左侧边板、右侧边板、后地板下加强梁、后地板左边梁、后地板右边梁以及消声器隔热板;所述后地板后段主体的中部设置有备胎安装池,所述备胎安装支架设置在所述备胎安装池的中部的上侧;所述后地板上横梁以及后地板下加强梁分别设置在所述后地板后段主体的前部的上下两侧;所述左侧边板以及右侧边板分别设置在所述后地板后段主体的后部的左右两侧。本发明既能满足消声器、备胎等布置,能够又能满足整车扭转刚度要求,保证备胎安装池模态达标,保证整车NVH加速噪声在37Hz、50Hz、57Hz、71Hz都满足目标值。


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    Title :

    Automobile rear floor rear section assembly


    Additional title:

    汽车后地板后段总成


    Contributors:
    MAUJOT (author) / WEI JIAN (author) / DU LINSHENG (author) / HU CHUNBO (author)

    Publication date :

    2023-04-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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