No-nail dismounting type metal cabinet

The utility model relates to a no-nail disassembling type metal cabinet which comprises side boards, a back board, a bottom board, a top cover and a door. A left side board and a right side board of the door are movably connected by a concave-type pipe foot. Front end parts and back end parts of lower end parts of the left and the right side boards are respectively provided with two holes, the shape and the size of the two holes are matched with the shape and the size of the upper end part of the concave-type pipe foot. The upper end part of the concave-type pipe foot is just positioned in the holes in assembly. The lower end of the back board is provided with a tongue sheet, and the tongue sheet of the lower end of the back board is just positioned on the bottom surface of a transverse pipe of a back-concave-type pipe foot in assembly. The front end of the bottom board is provided with a tongue sheet, and the tongue sheet of the front end of the bottom board is just positioned on the bottom surface of a transverse pipe of a front-concave-type pipe foot in assembly. The utility model has the advantages of no nail, convenient and rapid assembly and disassembly, no requirements on special tools and high productivity. The utility model can be widely used for various metal cabinets, particularly the various metal cabinets of long distance transportation.