| 摘要 |
PURPOSE: Provided are a water supply and drain system with a variable tank and an apparatus thereof for use in a restroom to enable efficient space utilization for storing water for flushing toilets and urinals and washing user's hands and to increase individual or public hygiene and facility cleanliness by installing the variable tank to adjustably ascend or descend according to the level of water stored in the tank. CONSTITUTION: The water supply and drain system comprises: a water tank(10) having a supplying water section(13) and a hole(14) for collecting filth; a smooth-surfaced guide bar(12) provided at either side of the water tank(10); a supporting plate(20) having a support wall(22) and multiple guide rings(23); a variable tank(30) having an opening on its top surface and collapsed up and down; a water supply and drain apparatus(40) configured such that the guide bar(12) is inserted into each of the guide rings(23) of the supporting plate(20) to be fixed in the water tank(10) and upper and lower portions of the variable tank(30) are fixed on the upper surface of the water tank(10) and the supporting plate(20), respectively, wherein washing water is discharged according to operation of a lever and stored in the variable tank(30), and at the same time, washing water is replenished according to operation of a pump(15) to be readily usable. |
