Switch cabinet with self-locking structure

The utility model discloses a switch cabinet with a self-locking structure, which comprises a cabinet body, drawers distributed at equal intervals from top to bottom are arranged in the cabinet body, fixing strips are welded and connected to two sides of each drawer, limiting grooves distributed at equal intervals are formed in the top surface and the bottom surface of a guide column, a first groove is formed in the front surface of each drawer, and a second groove is formed in the back surface of each drawer. A protruding block is welded to the groove wall of the first groove and sleeved with two handles, fixing shafts are welded to the two ends of each handle, the fixing shafts penetrate through the front wall of the drawer and are inserted into the fixing strips, rotating rods are movably connected to bearings in the fixing strips, and the fixing shafts located in the fixing strips are in chain transmission connection with the rotating rods. A gear is fixed to the rotating rod through a clamping pin and co