Connector convenient to disassemble and assemble

The utility model relates to the technical field of connectors, in particular to a connector convenient to disassemble and assemble, which comprises a connecting main body, a contact terminal and a rear shell, the surface of the connecting main body is provided with a loosening and tightening device, one end of the contact terminal is provided with a plurality of connecting leg wires used for being connected with the connecting main body, and one end of the rear shell is provided with a buckle. The connecting body is internally provided with a connecting port matched with the contact terminal, the loosening and tightening device comprises a fixing block and a clamping groove matched with the buckle, the rear shell is made of plastic, one end of the rear shell is provided with the plastic elastic buckle, and the connecting body and the contact terminal are conveniently and rapidly assembled or disassembled through buckling of the buckle and the clamping groove. Parts cannot be damaged in the dismounting proces