Protective structure and battery module

The utility model belongs to the technical field of batteries, and discloses a protection structure and a battery module, the protection structure comprises a side vertical plate and an upper cover plate, the side vertical plate is vertically arranged, the side vertical plate comprises a first inner side surface and a first outer side surface which are oppositely arranged, the upper edge of the side vertical plate is bent towards the first inner side surface to form a first bending part, and the upper edge of the side vertical plate is bent towards the first outer side surface to form a second bending part; the upper cover plate is arranged above the side vertical plates and comprises an upper cover inner side face arranged close to the side vertical plates, and the edge, close to the side vertical plates, of the upper cover plate is bent to form a second bent part. According to the protection structure provided by the utility model, the bending angle of the first bending part and the bending angle of the sec