Iron-copper-nickel stop check valve additionally provided with soft sealing structure

The utility model relates to the technical field of valves, in particular to an iron white copper stop check valve additionally provided with a soft sealing structure, which comprises an outer valve body, a valve rod is mounted at the top of the outer valve body in a threaded manner, a valve disc body is mounted in the outer valve body in a sliding manner, a mounting groove is formed in the top of the valve disc body, a mounting cavity is formed in the valve disc body, and the valve rod is connected with the mounting cavity. And a plurality of through holes are formed in the outer surface of the valve disc body at equal intervals, the through holes communicate with the mounting cavity, fixing clamping blocks are slidably mounted in the through holes, and a pressing block is slidably mounted in the mounting cavity. In the process of rotating the valve rod, the pressing strip pushes the fixing clamping block through the connecting strip, the fixing clamping block can stretch out of the through hole to be connec