Anti-rotation structure between shells

The utility model discloses an anti-rotation structure between shells, which belongs to the technical field of connectors and comprises a die-casting thin-wall shell side wall, and a rotary tightening type connector is mounted on the die-casting thin-wall shell side wall in a penetrating manner. The side edge of the die-casting thin-wall shell side wall is fixedly connected with a thickened side wall, and mounting holes are formed in the die-casting thin-wall shell side wall and the thickened side wall. The rotary tightening type connector is composed of a connecting shell, a positioning groove, a butt joint head part, an insertion rod and a locking nut, the connecting shell is provided with the positioning groove, the butt joint head part is inserted into the upper end of the connecting shell, the edge side of the butt joint head part is fixedly connected with the insertion rod, and the end part of the insertion rod is inserted into the positioning groove in the connecting shell. According to the anti-rotati