Portable automatic inflatable lifebuoy

The utility model discloses a portable automatic inflatable lifebuoy which comprises a strip-shaped lifebuoy body, the lifebuoy body is provided with an air blowpipe, a deflating cover is arranged at an air inlet of the air blowpipe, the two ends of the lifebuoy body are respectively provided with a safe retractable buckle, the lifebuoy body is provided with an automatic inflating pump, the automatic inflating pump is connected with a steel cylinder, and the automatic inflating pump is provided with a hand-pulled inflating rope. The portable automatic inflatable lifebuoy disclosed by the utility model has the beneficial effects that the lifebuoy is suitable for being carried by a salvor, when emergency rescue occurs, after a body traction rope is unfastened, the lifebuoy is directly thrown to a to-be-rescued site, and then the automatic inflatable lifebuoy is completely inflated after meeting water in five seconds, so that the time of rescue is saved, and the salvor can rescue a fall-in-water person in time, or the inflatable lifebuoy is fastened on the salvor and then the salvor enters the water to save, therefore, the rescue efficiency is greatly enhanced, and the occurrence of accidents of the salvor in the process of rescue can be effectively prevented.