Heat preservation sealing valve

The utility model discloses a heat preservation sealing valve, and belongs to the technical field of valves. A heat preservation sealing valve comprises a frame, a sealing assembly and a driving piece. The number of the sealing assemblies is two. The sealing assembly comprises a first rotating shaft and a valve plate; the first rotating shaft is rotationally connected with the frame; the driving part is used for driving one group of sealing assemblies; the first connecting column is fixedly connected with the first rotating shaft; the second connecting column is fixedly connected with the first rotating shaft; the fixing assembly is used for fixing the valve plate and the first rotating shaft; wherein the valve plate is provided with a first insertion hole; the first connecting column is inserted into the first insertion hole; the fixing plate is provided with a second insertion hole; and the second connecting column is inserted into the second insertion hole. The heat preservation sealing valve has the benef