| 摘要 |
PURPOSE: A water saving type drainage device for a toilet bowl is provided to control the discharged amount of washing water stored in a low tank by selectively opening a drain hole depending on the operation of a lever. CONSTITUTION: A water saving type drainage device(20) for a toilet bowl comprises a housing(22) and a drain valve(30). The housing is connected to a toilet bowl body through a hole formed on the bottom of a low tank. The drain valve is inserted into the housing and is vertically moved. The drain valve selectively opens first and second drain holes(26,28) formed in the edge of the housing. |
