External hanging type control box

The utility model relates to the technical field of control boxes, and discloses an external hanging type control box which comprises a shell, a mounting groove is formed in the outer surface of one side of the shell, a battery cylinder is fixedly connected in the mounting groove, and L-shaped clamping blocks are fixedly connected to the two sides of the middle of the outer surface of the other side of the battery cylinder. A bottom plate is arranged on the outer surface of the other side of the battery cylinder, a clamping groove is formed in the outer surface of the bottom plate, a sealing cover is rotationally connected to the upper end of the battery cylinder, a convex block is fixedly connected to the lower surface of the sealing cover, and a second sealing groove is formed in the outer surface of the convex block. According to the control box, the bottom plate is fixed to a proper position, then the L-shaped clamping blocks are inserted into the clamping grooves, the control box can be fixed to the bott