Elastic expansion formula lead acid battery moulds shell

The utility model discloses an elastic expansion formula lead acid battery moulds shell, which comprises a housin, the interval is equipped with a plurality of baffles in the casing, the baffle becomes a plurality of independent spaces with casing internal partitioning, independent space formation battery jar, be provided with elastic telescopic structural on each battery jar edge casing length direction's the inner wall with one side, elastic telescopic structural includes the fold board, fly leaf and a plurality of flexible connectors, a plurality of flexible connectors connect fold board and baffle and fold board and fly leaf respectively, the bottom mounting of fold board is on the casing, the fold of arranging about being provided with on the fold board can extension and the automaticreturn that shortens in upper and lower direction. The utility model provides a can prevent to take place the extrusion between polar plate group is because of inflation and battery jar inner wall arouses the elastic expansi