Lead -acid storage battery jar cover

The utility model relates to a battery container, especially, relate to a lead -acid storage battery jar cover, is advantaged by novel structure, the lid closes the convenience, the gas tightness is good, strong and the long service life of practicality, guaranteeing to replace complete airtight shutoff gaseous through dredging gas when the lid closes the seal, originally the domestic high -pressure gas channeling conduct of sealing ring and from main exhaust gas, the effect of balanced atmospheric pressure has been played, it adopts the apron of a slice formula to cover notes liquid hole andair channel to have solved traditional battery container lid, the apron overlength, after longer a period, the lid that battery container covered is outwards ejecting by gas easily, the foaming upliftwarp, probably lead to the apron to drop when serious even, influence the problem of the use of battery, apron opening -closing is convenient, is favorable to the downthehole filling electrolyte of notes liquid, increase weig