Ultra-thin high-sealing ball valve

The invention relates to the technical field of ball valves, in particular to an ultra-thin high-sealing ball valve which comprises a valve body and a valve element arranged in the valve body, a liquid outlet hole is formed in the valve element, the top of the valve element is fixedly connected with a valve rod used for rotating the valve element, and a sealing assembly used for sealing the valve element is arranged in the valve body; and the sealing assembly comprises a moving plate movably arranged in the valve body, and a sealing block used for sealing the valve element is fixedly connected to the side face of the moving plate. Through arrangement of the sealing assembly, under mutual cooperation of the moving plate, the sealing block, a sliding ring, a sliding groove, a lead screw, a second bevel gear, a first bevel gear and a circulation hole, the valve element is tightly sealed; the sealing performance of the valve element is improved, and liquid leakage is prevented. By arranging the movable sealing bl