| 摘要 |
PURPOSE: A water purifier is provided to prevent water from the downflow around the water purifier and inflow of water of a filter holder into the inside of the water purifier. CONSTITUTION: A water purifier comprises a main body, a pure water tank(31), a pure water pipe(42), and a backflow prevention valve(55). The main body has one or more filters and one or more filter holders. The main body also has a pure water tank. The pure water pipe connects the pure water tank and a filter device. The backflow prevention valve prevents backflow of purified water in the pure water tank to the filter device. The pure water pipe has first and second pure water pipes. [Reference numerals] (AA) Feed water; (BB) Water for living |
