Voltage stabilizer with anti-theft function

The utility model discloses a voltage stabilizer with an anti-theft function, and relates to the technical field of voltage stabilizers, the voltage stabilizer comprises a voltage stabilizer body, a fixing mechanism is arranged on one side of the voltage stabilizer body, circular grooves are formed in the positions, located on the upper edge and the lower edge, of one side wall of the interior of the voltage stabilizer body, and the fixing mechanism comprises a cabinet door and a fixing circular ring frame. First guide blocks are fixedly installed on the positions, close to the upper edge and the lower edge, of one side of the cabinet door correspondingly, limiting grooves are formed in one sides of the two first guide blocks correspondingly, a gear disc is movably installed in the middle of one side of the cabinet door, and gear plates are arranged in the two limiting grooves correspondingly. Limiting columns are welded to the positions, close to the upper edges and the lower edges, of one sides of the two g