Elevating fire hydrant assembly

摘要

Disclosed is an elevating fire hydrant assembly. The elevating fire hydrant assembly includes: a water pipe which supplies firefighting water in accordance with the open or shut operation of a water control valve buried underground; an elbow pipe connected to the water pipe; a fixing pipe connected to the elbow pipe; an elevating pipe which is coupled to the fixing pipe to retract into or extend from the ground, and the lower end of which is coupled to a guide block that slides along the inner surface of the fixing pipe; a sealing plate coupled to the top of the fixing pipe to prevent the elevating pipe from escaping; a head block which is coupled to the top of the elevating pipe, and which has a hose connector for connecting a firefighting hose; and valve means for opening or shutting the lower end of the elevating pipe.

主权项

1. An elevating fire hydrant assembly comprising:
a water pipe which supplies firefighting water in accordance with opening and closing of a water control valve buried underground; an elbow pipe connected to the water pipe; a fixed pipe connected to the elbow pipe; an elevating pipe which is coupled to the fixed pipe to retract into or extend from the ground and a lower end part of which is coupled to a guide block that slides along an inner surface of the fixed pipe; a sealing plate coupled to the top of the fixed pipe to prevent the elevating pipe from escaping; an air valve disposed above the fixed pipe and including a venting passage through the sealing plate; a head block which is coupled to the top of the elevating pipe and has a hose connector for connecting a firefighting hose; and a valve means for opening and closing the lower end part of the elevating pipe, wherein, in the state of the lower end part of the elevating pipe being closed by the valve means, the elevating pipe is risen by pressure of the firefighting water supplied through the water pipe.