Connecting device of new energy battery pack

The utility model discloses a connecting device of a new energy battery pack, which is characterized in that two groups of clamping blocks are fixedly welded on one side of a battery box, two groups of clamping grooves are correspondingly formed in the other side of the battery box, a first groove is formed in the side wall of the battery box, a clamping piece is arranged in the first groove, and a second groove is formed in the other side of the battery box. The battery box is fixedly connected with a box cover through a clamping piece, a through hole is formed in the top of the box cover, a threaded section is arranged in the through hole, a connecting screw is connected to the threaded section in a threaded mode, a cushion block is connected to the connecting screw in a sleeving mode, a sliding groove is formed in the side wall of the lower end of the battery box, and a fixing plate is slidably connected to the sliding groove in an inserted mode; a first compression spring is arranged at the bottom of the