Water tank exhaust hole leak protection water system and pipeline machine

The utility model relates to a water tank exhaust hole leak protection water system and pipeline machine, the water tank is covered by the tank lid in area exhaust hole, wherein the system includes: the subassembly is closed in the exhaust hole, and it sets up in exhaust hole below, the second place that has the primary importance of opening the exhaust hole and close the exhaust hole, drive assembly, its including fixes the exhaust hole on closing the subassembly a magnetic element and fix the 2nd magnetic element in water tank or tank lid, wherein, one of at least among a magnetic element and the 2nd magnetic element is non - permanent magnetism magnetic element, and detection and control assembly, whether it detects the water tank and emptys or incline to the water tank topple over or the circumstances about sloping under the non - permanent magnetism magnetic element's of switch -on control circuit, make a magnetic element receive the power towards the tank lid side that comes from the 2nd magnetic element. The utility model discloses a water tank exhaust hole leak protection water system can the water tank empty or the condition about incline under the quick closedown water tank hole of exhausting to prevent that water from spilling from the hole of exhausting.