Formula blasting subassembly is clogged at interval

The utility model provides a formula blasting subassembly is clogged at interval, includes detonator, buffer unit and blocking part spare, the buffer unit is including flexible pouch, is filled with liquid buffer in the flexible pouch intussuseption, and flexible pouch is gas tightness bag body structure, and flexible pouch is cuboid bag column structure, set gradually blocking part spare and detonator along flexible pouch's length direction, in flexible pouch's one end, blocking part spare offsets with flexible pouch, and the detonator offsets with blocking part spare, the board -like structure that blocking part spare is the stereoplasm, shock resistance. Preferably, flexible pouch is the pa coextrusion film bag, is flexible pouch's bag body wall thickness 10 for 0.38mm, a bag body length degree are 20cm, bag body diameter 30 35mm. The utility model discloses in, the vibration that the detonator blasting produced is transmitted for behind the buffer unit by blocking part spare, and the buffer unit is built