Little volume, high strength, low surface temperature's outer structure of overload heat of activation battery

The utility model provides a little volume, high strength, low surface temperature's outer structure of overload heat of activation battery, column shell body open unit thermal cell locating hole andthe actuating device locating hole that has lead -out wire wire -out grooves and communicate each other along the axial, the shell body both ends link firmly the holding down plate, the correspondingunit thermal cell locating hole of top board is opened there is the through -hole, the holding down plate is opened has unit thermal cell spacing groove and actuating device spacing groove, the unit thermal cell passes through the annular supporting seat to be installed in unit thermal cell spacing groove, ensures unit thermal cell contactless shell body, and open unit thermal cell spacing groovebottom has a plurality of thermal cells exhaust hole, round pin circumference in the battery flat is spacing soon through ending for the top board. The utility model has the characteristics of small,intensity is high, the surfa