The invention provides a hatchback type back door D column reinforcing structure which comprises a D column inner plate assembly, a rear top beam connecting plate and a D column lower reinforcing connecting plate, an inclined plane part is arranged on the lower portion of the rear top beam connecting plate and gradually gets close to the D column inner plate assembly, and the lower end of the inclined plane part is attached to and fixedly connected with the rear side face of the D column inner plate assembly; weight reduction intervals are arranged between the lower end of the D-column lower reinforcing connecting plate and the upper end of the D-column lower reinforcing connecting plate and between the lower end of the rear top beam connecting plate and the upper end of the D-column lower reinforcing connecting plate. On the premise that the overall performance of an original D column part structure is not reduced, the weight of a metal plate is reduced, and the weight utilization rate is increased.
本发明提供一种掀背式后背门D柱加强结构,包括D柱内板总成、后顶梁连接板、D柱下加强连接板,所述后顶梁连接板的下部设置有斜面部,所述的斜面部逐渐朝D柱内板总成靠近,所述斜面部的下端与D柱内板总成的后侧面贴合并固定连接;所述D柱下加强连接板,所述的后顶梁连接板的下端与D柱下加强连接板的上端之间设置有减重间距。本发明能在不降低原有D柱部位结构整体性能的前提下,降低钣金重量,提高重量利用率。
Reinforcing structure for D column of hatchback type back door
一种掀背式后背门D柱加强结构
2025-02-14
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
Rainproof structure of hatchback door, hatchback door and automobile
European Patent Office | 2023
|