Spring type sealing floating ball valve

The utility model discloses a spring type sealing floating ball valve which comprises a left valve body, a right valve body, a ball body, a valve seat, a valve rod and a handle, valve cavities are formed in the left valve body and the right valve body, the ball body is located in the valve cavities, the lower end of the valve rod penetrates through the right valve body to be fixedly connected with the upper end of the ball body, and the valve seat is located in the valve cavity. Valve seat ring grooves are formed in the positions, located at the two ends of the ball body, of the inner side of the left valve body and the inner side of the right valve body, the valve seats are clamped in the valve seat ring grooves, annular grooves are formed in the inner sides of the valve seat ring grooves in a communicating mode, and elastic structures are arranged in the annular grooves. The elastic structure comprises a plurality of air cylinder devices, a plurality of high-elasticity springs, an annular bottom plate and a