Anti -drowning neck ring convenient to change inflation bottle

• Main Authors: WANG WEI, SHI JIUYANG, ZHANG QINGHUA
• Format: Patent
• Language: Chinese; English
• Published: 13.02.2018
• 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 utility model discloses an anti -drowning neck ring convenient to change inflation bottle, including neck ring body, folding gasbag, hand switch, control circuit storehouse, fixed bin, battery storehouse and inflation bottle, fixed bin's inside wall fixedly connected with nut, annular rack has been cup jointed in the outlet duct activity, annular rack keeps away from inflation bottle's lateralwall and gear engagement, annular rack keeps away from lateral wall fixedly connected with symmetry in the one end of two connecting rods of inflation bottle of gear, two the equal fixedly connectedwith slider of the other end of connecting rod, a current circuit is constituteed jointly to metal cylinder, button switch, motor and battery. The utility model discloses simple structure, through adding the nut, annular strip tooth and slider make the anti -drowning neck ring can used repeatedly, and aeration tank can automatic be lifted off after exhausing, makes child old man also can change aeration tank. 本实用新型公开了种便于更换