Underarm automatic inflation life buoy
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,...
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Main Author | |
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Format | Patent |
Language | English |
Published |
16.09.2015
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Subjects | |
Online Access | Get full text |
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Summary: | 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. |
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Bibliography: | Application Number: CN20151380286 |