Patent ID: 8028714

Claim:
An apparatus comprising: a faucet having a valve groove therein, said faucet having a water inlet and a water outlet; a draft tube received in said valve groove of said faucet, said draft tube having a through groove formed therein, said draft tube having an upper opening and a lower opening; a water control valve core sleeved within said through groove of said draft tube, said draft tube having an upper portion and a lower portion, said upper portion of said draft tube having a ring flange extending circumferentially therearound, said lower portion having a guide surface extending in spaced relation to an inner wall of said valve groove of said faucet, said ring flange having at least one sealing ring extending therearound, said draft tube having a drainage portion at a lower end thereon, said drainage portion communicating with a space defined between said guide surface and said inner wall of said valve groove, an inlet to said water outlet of said faucet positioned adjacent an upper end of said valve core, said water outlet communicating with said space; and a positioning structure having a ring and a shoulder, said positioning structure positioned in said through-groove of said draft tube, said ring extending around said upper end of said valve core and said valve core residing upon an upper end of said shoulder, said ring having an external surface juxtaposed against said inner wall of said draft tube, said external surface of said ring having a plurality of bulges extending outwardly therefrom, said shoulder having a plurality of through-holes formed adjacent respective bulges of said plurality of bulges.