Underarm automatic inflation life buoy

• Main Author: JIA HONGCHEN
• Format: Patent
• Language: English
• Published: 16.09.2015
• Subjects: EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS; PERFORMING OPERATIONS; RELATED EQUIPMENT; SHIPS OR OTHER WATERBORNE VESSELS; TRANSPORTING

The invention relates to an underwater lifesaving device, in particular to an underarm automatic inflation life buoy. The underarm automatic inflation life buoy comprises a hollow elastic plastic ring (1) with a notch, wherein two clamp buckles (2) are respectively arranged at two ends of the notch, a C-shaped air sac (3) sleeves the exterior of the hollow elastic plastic ring (1), two ends of the C-shaped air sac (3) are respectively fixed at two ends of the elastic plastic ring (1) in seal mode, a stop valve is arranged at one end of the elastic plastic ring (1), and communicates an inner space of the elastic plastic ring (1) with the C-shaped air sac (3), dichlorodifluoromethane and fluoro trichloromethane are placed in the elastic plastic ring (1), and a volume ratio between the dichlorodifluoromethane and the fluoro trichloromethane is 1:0.8-1.2. The underarm automatic inflation life buoy has the advantages of being good in safety, quick to inflate, and low in cost, and can be widely popularized and used by swimmers.