Patent ID: 7258286

Claim:
A water shutoff and discharge control device for sprinklers, comprising a sprinkler wherein a water intake assembly is equipped with a tube having a top side defined by a platform, and the platform has a plane surface defining the internal wall and a plurality of bores drilled thereon for the mounting of a sealing strip equipped with a plurality of spray nozzles and a base; a water-sealing ring and a water-sealing area are respectively disposed protruding around an outer periphery of each said spray nozzle on a top and bottom surface of the base thereof, and the water-sealing ring is closely abutted against the internal plane surface of the platform; on, both end sides of the platform are disposed multiple control channels each communicating with the tube for the extension of a control shaft there-through with a plug mounted thereto; wherein the water shutoff and discharge control device for sprinklers is characterized by that the plug is situated to precisely correspond to the water-sealing area of the sealing strip with a movement space preset there-between, and on both sides of the plug are respectively disposed an inlet aperture and an abutment surface, permitting the plug flushed by the water flow to climb upwards and abut tight against the water-sealing area; therefore, depending on the sliding movement of the control shaft, the inlet aperture and the abutment surface of the plug will be switched in position to respectively correspond to the spray nozzle thereof, achieving control of water shutoff and discharge; whereby the control shaft can be smoothly slid in an easy manner; even when the control shaft is moved in the state of water discharge, the plug is abutted against the water-sealing area, reducing the contact area between the control shaft and the sealing strip and, thus, cutting down the frictional coefficient there-between for more efforts-saving operation of the control shaft.