Lavatory faucet

Abstract

A lavatory faucet is fixed on a basin and contains: a body and a fixing device. The body includes a housing and a supply pipe assembly; the fixing device includes a mounting seat, two screw rods, and two clamping blocks; the basin includes a central orifice, a left orifice, and a right orifice. The mounting seat includes an upper fitting sleeve, two extending wings for abutting against a top face of the basin, and two support feet. The upper fitting sleeve has a channel defined therein relative to the central orifice, each extending wing has a through hole to insert each support foot, and each support foot has a first stopping fence. Each screw rod extends out of the through hole and is rotated above the mounting seat, each clamping block is screwed with each screw rod and is limited by the first stopping fence as rotating each screw rod.

What is claimed is: 
     
         1 . A lavatory faucet being fixed on a basin and comprising: a body and a fixing device; the body including a housing and a supply pipe assembly connecting with the body to delivery water; the fixing device including a mounting seat, two screw rods, and two clamping blocks; the basin including a central orifice, a left orifice, and a right orifice; characterized in that:
 the mounting seat includes an upper fitting sleeve for connecting with the housing, two extending wings extending outwardly from a bottom end of an outer wall of the upper fitting sleeve to abut against a top face of the basin, and two support feet extending downwardly from two bottom ends of two outer walls of the two extending wings to insert through and to retain with the left orifice and the right orifice of the basin; the upper fitting sleeve has a channel defined therein relative to the central orifice of the basin so that the supply pipe assembly extends out of the central orifice via the channel; each extending wing has a through hole to insert each support foot; and each support foot has a first stopping fence formed on an outer wall thereof;   each screw rod extends out of the through hole of the mounting seat and is rotated above the mounting seat;   each clamping block is screwed with each screw rod and is limited by the first stopping fence of each support foot as rotating each screw rod, such that each clamping block moves upwardly to retain with a bottom face of the basin and to clamp the mounting seat and the body on the basin.   
     
     
         2 . The lavatory faucet as claimed in  claim 1 , characterized in that a diameter of the channel of the upper fitting sleeve is larger than that of the central orifice. 
     
     
         3 . The lavatory faucet as claimed in  claim 1 , characterized in that each support foot further has a second stopping fence formed on the outer wall thereof adjacent to the first stopping fence, such that each clamping block is limited as rotating each screw rod loosely so that each clamping block moves downwardly and remove from the bottom face of the basin. 
     
     
         4 . The lavatory faucet as claimed in  claim 1 , characterized in that the first stopping fence of each support foot has an extending post extending outwardly from a bottom end thereof; when each clamping block is located opposite to the extending post, each screw rod is rotated loosely, so that each clamping block is driven by each screw rod to locate below each support foot, and each support foot, each screw rod, and each clamping block inserts through each of the left orifice and the right orifice of the basin. 
     
     
         5 . The lavatory faucet as claimed in  claim 3 , characterized in that each support foot also has a base for connecting with each extending wing and a stop column extending downwardly from a bottom end of the base; each support foot is accommodated and positioned by the base and the left orifice and the right orifice of the basin; the stop column is an arcuate protrusion and has the first stopping fence and the second stopping fence which are both formed on two sides of the stop column; each support foot further has an accommodating space defined thereon below the base and adjacent to the stop column to accommodate each screw rod and a part of each clamping block, and the through hole is located above the accommodating space. 
     
     
         6 . The lavatory faucet as claimed in  claim 1 , characterized in that each support foot further has an aperture passing through each extending wing. 
     
     
         7 . The lavatory faucet as claimed in  claim 1 , characterized in that a diameter of each of the central orifice, the left orifice, and the right orifice of the basin is less than 32 mm. 
     
     
         8 . The lavatory faucet as claimed in  claim 1 , characterized in that each screw rod includes a defining sheath screwing with a bottom end thereof to stop each clamping block moving downwardly and removing from each screw rod. 
     
     
         9 . The lavatory faucet as claimed in  claim 1 , characterized in that each clamping block includes a plurality of engaging teeth arranged on a top surface thereof to engage with the bottom face of the basin. 
     
     
         10 . The lavatory faucet as claimed in  claim 1 , characterized in that the two extending wings connect together on the upper fitting sleeve. 
     
     
         11 . The lavatory faucet as claimed in  claim 1 , characterized in that further comprising a decorative slat clamped between a bottom end of the body and the top surface of each extending wing to cover each extending wing. 
     
     
         12 . The lavatory faucet as claimed in  claim 1 , characterized in that the supply pipe assembly includes a first inlet pipe for flowing cold water and a second inlet pipe for flowing hot water. 
     
     
         13 . The lavatory faucet as claimed in  claim 12 , characterized in that the supply pipe assembly includes an outflow pipe for flowing the cold water, the hot water or a mixed water of the cold water and the hot water. 
     
     
         14 . The lavatory faucet as claimed in  claim 5 , characterized in that the mounting seat further includes a bushing, and a profile of the bushing is equal to that of each extending wing; the mounting seat further includes two side openings defined on two sides thereof to insert the two support feet and includes a central opening formed between the two side openings and corresponding to the central orifice of the basin, such that the busing is clamped between the two extending wings of the mounting seat and the top face of the basin.