Quick-disassembly and quick-assembly computer case

The utility model belongs to the technical field of computers. The utility model relates to a computer case, in particular to a quick-disassembly and quick-assembly computer case. The case electricalcomponent comprises a case electrical component main body, a first case plate, a second case plate and a third case plate, first box plates are fixed to the front end and the rear end of the case electrical element body. Second box plates are fixed to the upper end and the lower end of the case electric appliance element body. No.3 box plates are fixed at the left end and the right end of the caseelectric appliance element main body; clamping plates are fixed to the upper end and the lower end of the third box plate. Clamping grooves are formed in the surfaces of the two sides of the second box plate. The clamping plate and the clamping groove are clamped with each other and are fixedly connected through a plurality of first fixing wires; a heat dissipation bin is arranged on the outer surface of the third box pla