Patent ID: 8763175

Claim:
A fixing structure of a faucet being fixed on a sink countertop with a hole and comprising: a faucet including a housing, a pull-out spray head, a mixing valve mounted in the housing, and a water supply set; the water supply set including a cold-water inlet pipe connected with the mixing valve, a hot-water inlet pipe, and a mixing outlet pipe; one end of the mixing outlet pipe connecting with the pull-out spray head; a positioning device including a base having a peripheral fence, a bottom fence connected with the peripheral fence, and a mouth defined on the bottom fence; the bottom fence having a limiting face extending downwardly from the mouth, and the limiting face being a successive and closed wall in a circumferential direction and passing through the hole of the sink countertop and having an outer rim retained with the hole, such that the base aligns with the hole; the limiting face also having a channel for communicating with the water supply set and having two stop posts coupled therewith and downwardly extending out of the hole, a bottom end of each stop post extending beyond a bottom end of the limiting face; the bottom fence having at least one orifice defined on an outer periphery of the limiting face and being adjacent to the two stop posts; the bottom fence also having an abutting face formed on a bottom end thereof and around the limiting face and the at least one orifice so as to abut against a top wall of the hole of the sink countertop; two screw rods extending out of the hole of the sink countertop from the at least one orifice of the base and being rotated above the base; two clamping blocks screwed with the two screw rods and limited by the two stop posts to rotate when the two screw rods are rotated, and then the two clamping blocks moving upwardly to retain a bottom end of the sink countertop so as to further fix the base in the hole of the sink countertop.