Free reversing valve

The utility model relates to the technical field of reversing valves, and discloses a free reversing valve which comprises a main body assembly. The main body assembly comprises a valve body, a first flange plate and a second flange plate are arranged on the two sides of the valve body and arranged on the top of the valve body, and a sliding assembly is arranged in the valve body. The sliding assembly comprises a groove body formed in one opposite face of the two flange plates and two valve element plates connected to the inner side wall of the valve body in a sliding mode. When liquid flows in, the valve element plates are pushed to slide rightwards, the water inlet in the right side of the valve body is blocked, when water flows in the right side of the valve body, the water inlet in the left side of the valve body is closed, free switching of channels is achieved, the valve element plates of different models can be switched according to the diameter of a pipeline, and the positions of the valve element pla