Fluorine-lined ball valve

The utility model discloses a fluorine lining ball valve which comprises a main valve body, a ball body is installed in the main valve body, a valve rod is installed at the top end of the ball body, a side valve body is fixedly installed at one end of the main valve body through a first bolt, a screen frame is clamped to the inner wall of the side valve body, a filter screen is fixedly connected to the inner wall of the screen frame, and grooves are formed in the top end and the bottom end of the screen frame. The inner wall of the groove is fixedly connected with an elastic piece, one end of the elastic piece is fixedly connected with a clamping block, the top end of the inner wall of the side valve body and the bottom end of the inner wall of the side valve body are respectively provided with a clamping groove, the top end of the valve rod is fixedly connected with a handle, the top end of the main valve body is fixedly provided with a support through a second bolt, and one side of the top end of the suppor