The invention relates to the technical field of automobile parts, in particular to an automobile body door ring structure and a manufacturing method. Comprising a door ring body and an energy absorption block, and the door ring body is of an integrated annular structure formed by punching after a plurality of plate materials are mutually welded; the energy absorption block is installed at the joint of a column B of the door ring body and a doorsill, and the energy absorption block is a block-shaped component which is arranged on the door ring body in a die-casting mode and makes close contact with the door ring body. The car body door guard plate is simple in structure and extremely convenient to produce and manufacture, the energy absorption block can effectively improve the side impact performance of the door guard plate and enhance the structural strength of the connecting point at the lower end of the column B, the door ring body can effectively prevent the door frame from being broken or deformed, and the safety of the whole car body structure is improved.
本发明涉及汽车零部件技术领域,具体地指一种车身门环结构及制造方法。包括门环本体和吸能块,所述门环本体是多块板料相互焊接后冲压成型的一体式环状结构;所述吸能块安装在门环本体的B柱与门槛连接处,吸能块是压铸在门环本体上门环本体紧密接触的块状构件。本申请的车身门护板结构简单,生产制造极为方便,吸能块能够有效提升门护板侧碰性能,增强B柱下端连接点结构强度,门环本体可有效放置门框断裂或变形,提高整个车身结构的安全性。
Vehicle body door ring structure and manufacturing method
车身门环结构及制造方法
19.07.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B22D CASTING OF METALS , Gießen von Metallen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B62D MOTOR VEHICLES , Motorfahrzeuge / B23K Löten , SOLDERING OR UNSOLDERING |
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