Butterfly-type valve body combining device of submersible electric pump

The utility model provides a butterfly-type valve body combining device of a submersible electric pump and belongs to the field of submersible electric pump equipment. The butterfly-type valve body combining device comprises a valve body (1); and a liquid inlet (8) is arranged at the left side of the valve body (1) and a liquid outlet (9) is arranged at the right side of the valve body (1). The butterfly-type valve body combining device is characterized in that a valve body lining (5) is fixedly connected with an inner wall of the air inlet (8) of the valve body (1); the valve body lining (5) is vertical to a plane of the liquid inlet (8); the valve body lining (5) is provided with one or more liquid inlet holes (7); a groove (10) is arranged at one side of the valve body lining (5), which faces the liquid outlet (9); a butterfly-type valve plate connecting shaft (6) is fixedly connected with the middle part of the groove (10); and a first butterfly-type valve plate (2) and a second butterfly-type valve plate