Water stop device for preventing water leakage of through hole and processing method thereof

The invention discloses a water stopping device for preventing water leakage of a through hole and a machining method of the water stopping device. The device comprises a water leakage stopping body and a water sealing rubber ring. The water leakage and stop body is a seamless steel tube with a thick self-tightening water stop section and two thin ends, the self-tightening water stop section is a section on the water leakage and stop body, and the water sealing rubber ring is sleeved on the self-tightening water stop section of the water leakage and stop body; one end of the water leakage stopping body is detachably and fixedly connected with the drill bit, and the other end of the water leakage stopping body is detachably and fixedly connected with the freezing pipe in a sealed mode. The machining method of the device comprises the steps that a lathe is adopted for machining the water leakage and stop body, then the water sealing rubber ring is customized, and finally the water sealing rubber ring is install