Explosion-proof inflating device of breathing gas cylinder

The utility model relates to an anti-explosion inflation device of a breathing gas cylinder, and belongs to the technical field of anti-explosion inflation equipment of breathing gas cylinders. Comprising a box body, a protective door with a lock, sliding assemblies, auxiliary sliding assemblies, a gas cylinder positioning assembly and an inflation guide pipe assembly, an opening is formed in one side of the box body, the protective door with the lock is arranged on the opening, the sliding assemblies are arranged at the four corners of the inner side of the protective door with the lock respectively, and the auxiliary sliding assemblies are arranged on the inner wall, corresponding to the sliding assemblies, of the box body. The auxiliary sliding assembly is in sliding connection with the sliding assemblies, the gas cylinder positioning assembly is fixedly installed on the protective door with the lock between the sliding assemblies, and the inflation guide pipe assembly is fixedly installed on the gas cylin