The invention discloses an automobile back door frame assembly and an automobile, and relates to the technical field of automobile manufacturing, the automobile back door frame assembly comprises a top cover rear cross beam and a rear wall assembly, and the rear wall assembly and the top cover rear cross beam are oppositely arranged at an interval; the left D-column assembly is used for being connected with a back door spigot and a door lock, the upper end of the left D-column assembly is connected with a top cover rear cross beam, and the lower end of the left D-column assembly is connected with a rear wall assembly. A hinge mounting part is arranged on the right D-column assembly, and the upper end and the lower end of the right D-column assembly are connected with the top cover rear cross beam and the rear wall assembly respectively, so that the top cover rear cross beam, the rear wall assembly, the left D-column assembly and the right D-column assembly form a closed loop structure. The hinge mounting portion is connected with the D-column structures, the left D-column structure and the right D-column structure of the back door frame assembly are connected with the top cover rear cross beam and the rear wall assembly to form a closed-loop structure, the weight of a back door is shared by the left D-column structure and the right D-column structure and the top cover rear cross beam and the rear wall assembly, the rigidity of the hinge mounting portion area is increased, and therefore deformation of a door frame is prevented.
本发明公开了一种汽车背门框总成及汽车,涉及汽车制造技术领域,该汽车背门框总成包括:顶盖后横梁和后围总成,后围总成与顶盖后横梁相对间隔设置;左D柱组件部分用于与背门止口和门锁相连,且左D柱组件上端与顶盖后横梁相连,下端与后围总成相连;右D柱组件,其上设有铰链安装部,右D柱组件上下两端分别与顶盖后横梁和后围总成相连,以使顶盖后横梁、后围总成、左D柱组件和右D柱组件形成一闭环结构。本发明将铰链安装部与D柱结构相连,并将背门框总成的左、右D柱结构与顶盖后横梁和后围总成连成闭环结构,以将背门的重量分担在左、右D柱结构与顶盖后横梁和后围总成上,增加了铰链安装部区域的刚度,从而防止门框变形。
Automobile back door frame assembly and automobile
一种汽车背门框总成及汽车
2023-06-30
Patent
Electronic Resource
Chinese
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