本实用新型属于汽车零部件技术领域，特别涉及一种侧围加强框，包括整体呈环状的本体，条板状板体的板边对焊连接构成一体式结构的本体。本实用新型中，由一体式结构的本体构成的侧围加强框框体，在保证其结构强度的同时，还能降低自重，从而在保证车身强度、降低生产成本的同时实现车身轻量化。

The utility model belongs to the technical field of automobile parts, in particular to a side wall reinforcing frame, which comprises a whole annular body, and the　plate edges of a strip-shaped plate body are butt welded to form an integrated structure. In the utility model, the side wall reinforcing frame body composed of the　body of the integrated structure can not only ensure the structural strength, but also reduce the self weight, so as to realize the lightweight of the vehicle body while ensuring the vehicle body strength and reducing the production cost.