Battery package interface fixing device and electric tool thereof

The utility model discloses a battery package interface fixing device and electric tool thereof, include that first shell, second shell are provided with first solid fixed cylinder, first mounting groove on the first shell, be equipped with the solid fixed cylinder of second, second mounting groove on the corresponding position of second shell, be equipped with the electrode support between the mounting groove, the electrode support has certain activity space in the mounting groove, is equipped with electrode slice, a pressure receiving part branch, the 2nd pressure receiving part branch on the electrode support, and the electricity is got in inserting and getting electrolyzer to the electrode slice, gets the electrolyzer setting and wraps at the battery, it compresses tightly the post tobe equipped with between first solid fixed cylinder, the solid fixed cylinder of second, the pressure receiving part branch, the 2nd pressure receiving part shunting that compress tightly post and electrode support press tigh