Air tightness test equipment for battery box body

The invention provides air tightness testing equipment for a battery box body, which is used for solving the problem that in the prior art, an existing air tightness testing device cannot carry out air tightness testing on a box body with a hole in the side wall. Comprising a test frame, a side sealing plate and an upper sealing plate, and the test frame is provided with a positioning assembly used for positioning a battery box body; during an air tightness test, the side sealing plate is used for sealing the side wall of the opening of the battery box body, the upper sealing plate is used for sealing the top opening of the battery box body, and the upper sealing plate is provided with an air path joint for communicating the inner and outer end faces of the upper sealing plate. According to the invention, the side sealing plate and the upper sealing plate are arranged to quickly seal the box body with the side wall open hole and the upper end open, so that the quick test of the air tightness is realized, and