| 摘要 |
A device for fixing a manhole and a connection pipe is provided to prevent the penetration of water or foreign material into the manhole or the connection pipe by placing watertight members inside and outside the connection holes of the manhole. A device for fixing a manhole(100) with a connection hole(110) and a connection pipe comprises a water-stop ring(210) fixed to the outer circumference of the connection pipe and fitted to the connection hole, a first and a second watertight member(220,230) in which the inner circumference sticks to the water-stop ring and the outer circumference sticks to the inclined surface of the connection hole, a first and a second flange(225,235) which stick to the outer surface of the first and the second watertight member, and an anchor(250) penetrating the first flange, the first watertight member, the second watertight member, and the second flange in sequence and then fastened with a fixing nut(251). |
