Floating air bag type diving self-rescue device

The utility model relates to the technical field of lifesaving equipment, in particular to a floating air bag type diving self-rescue device, which can enable the operation to be more convenient and faster, effectively obtain timely rescue and reduce the use limitation. The device comprises a protective waistband, an air bag box, an air bottle, a safety air bag and an end cover, a clamping ring isfixedly arranged at the left end of the protective waistband, the right end of the protective waistband can freely slide through cooperation with the clamping ring, the air bag box is fixedly installed at the top end of the clamping ring, a cavity is formed in the air bag box, and a threaded hole is formed in the right end of the air bag box; an air nozzle is arranged at the left end of the air bottle, the safety air bag is fixedly installed in a cavity of the air bag box through communication of a connector and a threaded hole, an emergency button is arranged at the left end of the air bag box and connected with the