Seamless connecting drain structure of metallic sink

Abstract

A seamless connecting drain structure of a metallic sink is provided. When the metallic sink is installed, a drain pipe or a drain connector as a drain end of a water outlet of the metallic sink is connected with an annular ring of the water outlet through a screw sleeve with inner threads to mesh with outer threads of a connecting sleeve, or a drain connector having inner threads is directly screwed to the outer threads of the connecting sleeve to connect with the annular ring. The entire structure of the water outlet is convenient for the drain pipe or the drain connector to be connected with the annular ring. Through the annular ring, the bottom of the metallic sink extends outward to form a complete configuration, so that the drain end of the water outlet and the drain pipe or the drain connector are connected seamlessly.

What is claimed is: 
     
         1 . A seamless connecting drain structure of a metallic sink, a bottom of the metallic sink being formed with a water outlet, the water outlet extending outward from a wall of the bottom of the metallic sink to form an annular ring, an outer periphery of the annular ring being fixedly connected with a connecting sleeve, an outer wall of the connecting sleeve being formed with outer threads. 
     
     
         2 . The seamless connecting drain structure of a metallic sink as claimed in  claim 1 , wherein the outer threads of the connecting sleeve is screwedly connected with a screw sleeve having inner threads on an inner wall thereof, and a drain pipe is connected to the annular ring of the water outlet through the screw sleeve. 
     
     
         3 . The seamless connecting drain structure of a metallic sink as claimed in  claim 1 , wherein the outer threads of the connecting sleeve is screwedly connected with a screw sleeve having inner threads on an inner wall thereof, and a drain connector is connected to the annular ring of the water outlet through the screw sleeve. 
     
     
         4 . The seamless connecting drain structure of a metallic sink as claimed in  claim 1 , wherein the outer threads of the connecting sleeve is screwedly connected with a drain connector having inner threads therein, enabling the annular ring of the water outlet to be connected with the drain connector. 
     
     
         5 . The seamless connecting drain structure of a metallic sink as claimed in  claim 1 , wherein the connecting sleeve is fixed on an outer surface of the annular ring by welding. 
     
     
         6 . The seamless connecting drain structure of a metallic sink as claimed in  claim 1 , wherein a filter member is provided for plugging the annular ring, the filter member has a filter aperture portion and a recess, the recess is provided with a sink cover for closing the filter aperture portion.