Soft plug for preventing pipe pile core from being blocked

The utility model discloses a soft plug for preventing a pipe pile core from being blocked, which belongs to the field of constructional engineering construction and comprises a soft plug arranged on the pipe pile core in a plugging mode, the soft plug is made of rubber materials, gaskets are arranged on the upper end face and the lower end face of the soft plug, the upper gasket and the lower gasket are fixed in a penetrating mode through two symmetrically-arranged eyebolts, and the bottoms of the upper gasket and the lower gasket are locked through nuts. An air pressure hole is formed in the soft plug, an air inlet pipe is inserted into the air pressure hole, and a rubber plug is arranged on the top of the air inlet pipe. According to the pipe pile core plugging device, the pipe pile core can be stably plugged through the elasticity and the big-end-up structure of the rubber soft plug, sundries are prevented from blocking the pipe pile core, the sealing effect is good, and meanwhile the soft plug can be con