Variable eccentric butterfly valve

The utility model relates to the technical field of butterfly valves, and discloses a variable eccentric type butterfly valve which comprises a main body, a connecting block is fixedly connected to the side face of the main body, a connecting groove is formed in the side face of the connecting block, a cavity is formed in the main body, a reinforcing piece is fixedly connected to the surface of the main body, and the reinforcing piece is fixedly connected to the surface of the main body. The two ends of the reinforcing piece are fixedly connected with the connecting blocks. According to the variable eccentric butterfly valve, through the arrangement of a sliding plate, a connecting rod and a handle, when the variable eccentric butterfly valve is used, the sliding plate moves in a sliding groove, so that a first driving gear and a second driving gear can make contact with a driven gear, the valve can be opened and closed by equipment in different modes, and switching of manual control and automatic control ove