Faucet with a movable extension nozzle

A faucet comprising a casing having a spout, a barrel received inside said casing, a socket received inside said casing and connected to said barrel at the bottom, a hot/cold water flow rate control switch received inside said casing, a water outlet pipe and a hot water intake pipe and a cold water intake pipe respectively connected to said barrel and retained in place by a locating ring and a locating plate, a nozzle detachably mounted on the spout of said casing, a bellows expansion tube connected between said barrel and said nozzle, and an operating lever mounted on said casing at the top and moved to control said hot/cold water flow rate control switch, wherein said barrel defines a water mixing chamber, which receives said hot/cold water flow rate control switch, and comprises a unitary bottom disk blocked at the bottom, said bottom disk having holes to which said hot and cold water intake pipes and said water outlet pipe are respectively connected;

• said socket has an elongated guide groove horizontally disposed on an outer surface thereof, and an inside annular groove made around an inside wall thereof at the bottom;
• said casing comprises a screw threaded into a screw hole thereof on the outside and having a tip engaged into the elongated guide groove said socket to limit the turning angle of said casing in either direction relative to said socket;
• said locating ring comprises a plurality of hooks respectively hooked in the inside annular groove on said socket, a smooth inside surface surrounding said hot and cold water intake, pipes and said water outlet pipe;
• said locating plate comprises a through hole through which said water outlet pipe passes, and two wing plates mounted around said hot and cold water intakes pipes to hold them in place.