Push formula inflation blanking plug

The utility model belongs to the technical field of engineering blasting perforation plugging, concretely relates to push formula inflation blanking plug has solved the problem that current blanking plug exists. It is including inflation cover and pushing cylinder, inflation cover for the cover body structure, including connecting interior buckle and interior rand as an organic whole, interior buckle diameter is greater than interior rand diameter, the inside callipers circles to open to be had the spalling seam, just is provided with to increase and hinders the thorn, the pushing cylinder open have the blasting fuse through -hole, including the outer rand and the outer buckle that connect gradually, the diameter of outer buckle is greater than the outer rand of the diameter of outer rand, pushing cylinder and the interior buckle grafting of inflation cover coordinates. The utility model is simple in operation, the manufacture craft is simplified, is applicable to jams such as inclined hole, vertical core, ho