The invention provides a top cover inner plate and an automobile. The top cover inner plate is provided with a skylight mounting opening and is provided with two side frames, a front frame and a rear frame, and the front frame and the rear frame are connected between the two side frames; each side frame is provided with a side frame reinforcing part, each side frame reinforcing part comprises a protrusion arranged on the corresponding side frame, and the protrusions extend in the X direction of the whole vehicle and arch out towards one side of the skylight mounting opening; a rear frame reinforcing part is arranged on the rear frame, the rear frame reinforcing part comprises a plurality of platform structures which are sequentially arranged in the X direction of the whole vehicle, all the platform structures extend in the Y direction of the whole vehicle, and the platform structures are arranged in a step shape in the arrangement direction. According to the top cover inner plate, the structural strength of the top cover inner plate can be improved, the vibration transmission sensitivity is reduced, and therefore vibration noise generated when the top of a vehicle body is excited can be reduced.

    本发明提供了一种顶盖内板及汽车,本发明的顶盖内板上设有天窗安装口,并具有两个侧边框,以及连接在两个所述侧边框之间的前边框和后边框;各所述侧边框上均设有侧边框加强部,所述侧边框加强部包括设置在所述侧边框上的凸起,所述凸起沿整车X向延伸,且所述凸起向所述天窗安装口一侧拱出;所述后边框上设置有后边框加强部,所述后边框加强部包括沿整车X向依次排布的多个平台结构,各所述平台结构沿整车Y向延伸,且多个所述平台结构沿排布方向呈台阶状设置。本发明的顶盖内板能够增加顶盖内板的结构强度,降低振动传递灵敏度,从而可降低车身顶部受到激励时产生的振动噪声。


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    Title :

    Top cover inner plate and automobile


    Additional title:

    顶盖内板及汽车


    Contributors:

    Publication date :

    2023-12-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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