Air tightness test tool suitable for battery box

The utility model relates to the technical field of tool clamps, and discloses an air tightness test tool suitable for a battery box, which comprises a plurality of clamping lug assemblies, a sealing assembly and a fixing assembly, the clamping lug assemblies are provided with guide grooves extending along the vertical direction, the bottom of the sealing assembly is provided with a test space, and the fixing assembly is provided with a clamping groove. The sealing assembly is in sliding connection with the guide groove, the clamping lug assemblies are arranged around the side wall of the fixing assembly at intervals, a clamp is arranged on the sealing assembly, a clamping block is arranged on the fixing assembly, and the clamp and the clamping block can be clamped or separated. The beneficial effects of the utility model are that the test space is compressed by the clamp in the test process, the test error caused by different manual compression forces is solved, and the test accuracy is improved. 本实用新型涉及工装夹具