Double-clip type check valve dismounting auxiliary tool

The utility model relates to the technical field of chemical pipeline maintenance, in particular to a wafer type check valve dismounting auxiliary tool which comprises a supporting stud. A handheld handle is fixedly arranged on the supporting stud, external threads are arranged on the outer surface of the supporting stud, supporting nuts matched with the external threads of the supporting stud are arranged on the left side and the right side of the supporting stud, ratchet wrenches are fixedly connected to the outer sides of the supporting nuts, and the thickness of the supporting nuts is larger than that of the ratchet wrenches. The butt-clamp type check valve is simple in design, flanges on the two sides of the butt-clamp type check valve are expanded by rotating the supporting nuts through the ratchet wrench, the distance between the flanges of the two pipelines is increased, workers can disassemble and assemble the butt-clamp type check valve conveniently, the butt-clamp type check valve cannot be damaged