The automobile front door ring comprises an integrally-formed front door ring body, the front door ring body comprises a column A, a column B, a column H, a column B roof side rail and a threshold, the upper end of the column A is fixed to the front end of the column B roof side rail, the lower end of the column A is fixed to the upper end of the column H, the lower end of the column H is fixed to the front portion of the threshold, and the column B is connected between the column B roof side rail and the threshold; the first patch plate is fixedly connected with the column A, the column B comprises a column B upper section and a column B lower section, and the second patch plate is fixedly connected with the column B upper section; the column A, the column H, the column B upper section, the column B roof side rail and the threshold are hard areas, the column B lower section is a soft area, the upper end of the column B lower section is fixedly connected with the lower end of the column B upper section through a first transition area, the lower end of the column B lower section is fixedly connected with the threshold through a second transition area, and the mechanical property of the first transition area and the mechanical property of the second transition area are between the mechanical property of the soft area and the mechanical property of the hard area. The collision strength requirements of different areas of the front door ring can be met, the safety of an automobile is guaranteed, and the development cost of the whole automobile is saved.
本发明公开了一种汽车前门环及其制造方法和汽车,包括一体成形的前门环本体,前门环本体包括A柱、B柱、H柱、B柱上边梁和门槛,A柱上端与B柱上边梁前端固定,A柱下端与H柱上端固定,H柱下端与门槛前部固定,B柱连接在B柱上边梁和门槛之间;第一补丁板与A柱固定连接,B柱包括B柱上段和B柱下段,第二补丁板与B柱上段固定连接;A柱、H柱、B柱上段、B柱上边梁、门槛为硬区,B柱下段为软区,B柱下段的上端通过第一过渡区与B柱上段的下端固定连接,B柱下段的下端通过第二过渡区与门槛固定连接,第一、第二过渡区的力学性能介于软区和硬区之间。其能够满足前门环不同区域的碰撞强度需求,保证汽车的安全性,节约整车开发成本。
Automobile front door ring, manufacturing method thereof and automobile
一种汽车前门环及其制造方法和汽车
2022-08-12
Patent
Elektronische Ressource
Chinesisch
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