Threshold beam, side coaming assembly and vehicle

The invention discloses a doorsill beam, a side coaming assembly and a vehicle. The doorsill beam is used for serving as a doorsill assembly to be installed on an automobile body and comprises a base body, the base body is a strip-shaped piece and is provided with a first hollow channel, and a separation rib is arranged in the first hollow channel; the first hollow channel is divided into a plurality of cavities through the separation ribs, and a reinforcing piece is arranged in at least one cavity. According to the threshold beam disclosed by the invention, the number of components in the side coaming assembly is greatly reduced, the assembly is simple, and the universality is good. 本文公开了一种门槛梁、侧围板总成和车辆。门槛梁用于作为门槛组件安装在车身上，包括基体，所述基体为条状件，且设置有第一中空通道，所述第一中空通道内设置有分隔筋；所述分隔筋将所述第一中空通道分隔为多个腔体，至少其中一个所述腔体内设置有加强件。本文公开的门槛梁，大幅减少了侧围板总成中的构件数量、装配简单、通用性好。