Flow valve convenient to disassemble and assemble

The utility model relates to the technical field of flow valves, in particular to a flow valve convenient to disassemble and assemble. According to the technical scheme, the flow valve comprises a flow valve body and a connecting pipe assembled with the flow valve body, a connecting piece is arranged at the joint of the flow valve body and the connecting pipe and comprises a clamping plate connected with the end of the flow valve body, the inner wall of one side of the clamping plate is connected with a lifting block, the inner wall of the top of the clamping plate is connected with a sealing gasket, and the sealing gasket is connected with the lifting block. A rotating rod is arranged on the side wall of the other side of the clamping plate in a penetrating mode, and one end of the rotating rod is rotationally connected with a pressing plate. A threaded hole is formed in the clamping plate, and the outer ring of the rotating rod is connected with the inner wall of the threaded hole in a matched mode. The pre