BACKFLOW PREVENTION DEVICE OF A FILL VALVE FOR A TOILET BOWL, CAPABLE OF PREVENTING CLEANING WATER FROM FLOWING BACKWARD TO A FAUCET

摘要

PURPOSE: A backflow prevention device of a fill valve for a toilet bowl is provided to prevent cleaning water in a water tank and a urinal body from flowing reversely and to smoothly supply cleaning water from a hydrant to the inside of the water tank.;CONSTITUTION: A backflow prevention device of a fill valve for a toilet bowl comprises a fill valve(110), a fixing portion(120), a float, and a backflow prevention portion. The fill valve supplies and blocks cleaning water provided from the hydrant to the water tank. The fixing portion fixes the fill valve to the overflow pipe. The float opens and closes an opening/closing hole with a packing according to the level of water stored in the water tank. The backflow prevention portion supplies cleaning water provided from a hydrant to the inside of the water tank.;COPYRIGHT KIPO 2011