Sealing structure for automobile battery pack

The utility model discloses a sealing structure for an automobile battery pack, which belongs to the field of new energy automobiles and comprises a box body, the upper end of the box body is open, the lower end of the box body is provided with an anode output cavity, the upper end of the box body is provided with a heat dissipation cavity, a heat dissipation mechanism is arranged in the heat dissipation cavity, and the lower wall of the heat dissipation cavity is provided with a plurality of threaded grooves. The upper end of the threaded groove is in threaded connection with an external threaded cylinder, a positive power transmission mechanism is arranged at the end, located in the threaded groove, of the external threaded cylinder, a threaded cover is installed at the end, away from the threaded groove, of the external threaded cylinder in a threaded mode, and a negative power transmission mechanism is arranged at the upper end of the threaded cover; according to the lithium battery pack, waste liquid can