Constant voltage leak protection operation oil -can lid

The utility model discloses a constant voltage leak protection operation oil -can lid, close the oil -can lid body on operation oilcan hu zui including the lid, oil -can lid body roof center is extended to be provided with to insert to establish and is interrupted in in the kettle mouth, lie in extend on oil -can lid body roof and the lateral wall internal surface in the outside of interrupting offer with the external air channel that is linked together, interpolation mouth portion has the outer baffle that expands shape horn mouth structure, and the middle part is provided with annular spoiler, and baffle and annular spoiler outer fringe all contact with kettle mouth inner wall, has seted up oil return exhaust hole on the baffle, has seted up the bleeder vent on the annular spoiler, and misalignment cloth is handed over to oil return exhaust hole and bleeder vent. The utility model discloses simple structure, convenient to use interrupts and the spoiler through in setting up on the oil -can lid to the oil -c