The novel seal structure of tubular battery

The utility model discloses a novel seal structure of tubular battery, including battery cover, battery case. The battery cover lower extreme is equipped with outstanding limit, the battery case up end is equipped with the groove, said battery cover inner wall circumference is equipped with the L template, and the L template is bottom in the below on outstanding limit, the outer end of L template and battery case's inner wall tight fit. Adopt above-mentioned structure, the battery cover that closes, after the inslot of shell was shen ru arrived on the outstanding limit of battery cover, in the epoxy of inslot flowed in the cavity, through a period, epoxy had both solidified the outstanding limit of battery cover and the groove of battery case, and it is big with the area of contact of battery cover to have solidified battery cover and cavity, especially cavity again, has increased the solidification area by a wide margin, and the sealed intensity of improvement increases sealed thickness simultaneously, and the messenger is sealed firm reliable, and sour phenomenon of leaking gas appears emitting in the will not.