Patent ID: 6981693

Claim:
A control valve of a faucet, comprising: a base having an inside formed with a water outlet; a lower ceramic block mounted on the base and having an inside formed with a conducting channel, a cold water inlet and a hot water inlet; an upper ceramic block mounted on the lower ceramic block and having an inside formed with a conducting opening; a coupling block mounted on the upper ceramic block; a bottom bushing mounted on the coupling block; an inner barrel mounted on the bottom bushing and having an inner wall formed with a through hole; a housing mounted on the base and enclosed around the inner barrel; and a control shaft mounted in the inner barrel and having an upper end protruding outward from the through hole of the inner barrel, wherein: the control shaft has a lower end formed with a drive member rested on the inner wall of the inner barrel; and the drive member of the control shaft has a peripheral wall formed with a plurality of flattened faces.