Top cover, sealing ring and filter for an outlet of a washbasin

Abstract

A top cover, a sealing ring and a filter for an outlet of a washbasin are provided, wherein the filter includes a top cover including a cover body and an inner cover arranged below the cover body, a filter cylinder provided with a number of drainage holes at a cylinder body of the filter cylinder, and a sealing ring including a supporting part and a plugging part arranged at an outer edge of the supporting part; the cover body is configured to be located at a level above an opening surface of a drainer of the washbasin when in use to enable water flow being able to discharge through interspace between the top cover and the opening surface of the drainer, and the plugging part is configured to provide sealing contact with an inner wall of the drainer enabling to deposit sundries at the supporting part.

What is claimed is: 
     
         1 . A top cover for a washbasin, comprising:
 a cover body, and   an inner cover arranged below the cover body,   wherein the cover body is configured to be located at a level above an opening surface of a drainer of the washbasin when the inner cover is placed at the drainer, enabling water flow to discharge through interspace between the top cover and the drainer.   
     
     
         2 . The top cover for a washbasin of  claim 1 , wherein the cover body has a top surface of a flat shape to form a flat top cover. 
     
     
         3 . The top cover for a washbasin of  claim 1 , wherein the cover body has a top surface of a circular arched shape to form a circular arched top cover. 
     
     
         4 . The top cover for a washbasin of  claim 3 , wherein the circular arched top cover is provided with two or more supporting legs extending outwards and spaced apart at an edge of an arched portion of the circular arched top cover. 
     
     
         5 . The top cover for a washbasin of  claim 4 , wherein the circular arched top cover has an outer diameter larger than an inner diameter of the drainer when the top cover is used. 
     
     
         6 . The top cover for a washbasin of  claim 1 , wherein the cover body is provided with a number of drainage holes along its edge area. 
     
     
         7 . The top cover for a washbasin of  claim 1 , wherein the inner cover is provided with a recess which is recessed downward, and the recess is provided with a number of drainage holes. 
     
     
         8 . The top cover for a washbasin of  claim 7 , wherein the top cover is provided with a protrusion at an inner surface of the top cover, into which a threaded hole is opened, and the inner cover is provided with a through hole at the recess corresponding to the threaded hole, to enable connecting the inner cover to the cover body by a screw. 
     
     
         9 . A sealing ring for a washbasin, comprising:
 a supporting part, and   a plugging part arranged at outer edge of the supporting part,   wherein the plugging part is configured to provide sealing contact with an inner wall of a drainer when in use, enabling to deposit sundries at the supporting part.   
     
     
         10 . The sealing ring for a washbasin of  claim 9 , wherein the sealing ring is made of elastic material. 
     
     
         11 . The sealing ring for a washbasin of  claim 9 , wherein the plugging part is configured to extend obliquely in an upward and outward direction. 
     
     
         12 . The sealing ring for a washbasin of  claim 9 , wherein the supporting part is arranged with a number of drainage holes spaced apart from one another. 
     
     
         13 . A filter for an outlet of a washbasin, comprising:
 a top cover, comprising a cover body and an inner cover arranged below the cover body;   a filter cylinder, which is provided with a number of drainage holes at a cylinder body of the filter cylinder; and   a sealing ring, comprising a supporting part and a plugging part arranged at an outer edge of the supporting part;   wherein the top cover is configured to be connected to top of the filter cylinder through the inner cover, and the sealing ring is configured to be connected to bottom of the filter cylinder, and the cover body is configured to be located at a level above an opening surface of a drainer of the washbasin when in use to enable water flow being able to discharge through interspace between the top cover and the opening surface of the drainer, and the plugging part is configured to provide sealing contact with an inner wall of the drainer of the washbasin enabling to deposit sundries at the supporting part.   
     
     
         14 . The filter for an outlet of a washbasin of  claim 13 , wherein the cover body has a top surface of a flat shape to form a flat top cover. 
     
     
         15 . The filter for an outlet of a washbasin of  claim 13 , wherein the cover body has a top surface of a circular arched shape to form a circular arched top cover. 
     
     
         16 . The filter for an outlet of a washbasin of  claim 15 , wherein the circular arched top cover is provided with two or more supporting legs extending outwards and spaced apart at an edge of an arched portion of the circular arched top cover. 
     
     
         17 . The filter for an outlet of a washbasin of  claim 16 , wherein the circular arched top cover has an outer diameter larger than an inner diameter of the drainer when the top cover is used. 
     
     
         18 . The filter for an outlet of a washbasin  claim 13 , wherein the cover body is provided with a number of drainage holes along its edge area. 
     
     
         19 . The filter for an outlet of a washbasin of  claim 13 , wherein the inner cover is provided with a recess which is recessed downward, and the recess is provided with a number of drainage holes. 
     
     
         20 . The filter for an outlet of a washbasin of  claim 19 , wherein the top cover is provided with a protrusion at an inner surface of the top cover, into which a threaded hole is opened, and the inner cover is provided with a through hole at the recess corresponding to the threaded hole, to enable connecting the inner cover to the cover body by a screw. 
     
     
         21 . The filter for an outlet of a washbasin of  claim 13 , wherein the sealing ring is made of elastic material. 
     
     
         22 . The filter for an outlet of a washbasin of  claim 13 , wherein the plugging part is configured to extend obliquely in an upward and outward direction. 
     
     
         23 . The filter for an outlet of a washbasin of  claim 13 , wherein the supporting part is arranged with a number of drainage holes spaced apart from one another. 
     
     
         24 . The filter for an outlet of a washbasin of  claim 13 , wherein the supporting part is snapped at outside of the cylinder body of the filter cylinder to detachably connect the sealing ring with the filter cylinder. 
     
     
         25 . The filter for an outlet of a washbasin of  claim 13 , wherein the filter cylinder further comprises a connecting component configured to be connected to the bottom of the cylinder body of the filter cylinder, and the supporting part is configured to be snapped at outside of the connecting component to detachably connect the sealing ring with the filter cylinder. 
     
     
         26 . A filter for an outlet of a washbasin, comprising:
 a top cover, comprising a cover body;   a filter cylinder, which is provided with a number of drainage holes at a cylinder body of the filter cylinder; and   a sealing ring, comprising a supporting part and a plugging part arranged at an outer edge of the supporting part;   wherein the top cover is configured to be connected to top of the filter cylinder, and the sealing ring is configured to be connected to bottom of the filter cylinder, and the cover body is configured to be located at a level above an opening surface of a drainer of the washbasin when in use to enable water flow being able to discharge through interspace between the top cover and the opening surface of the drainer, and the plugging part is configured to provide sealing contact with an inner wall of the drainer of the washbasin enabling to deposit sundries at the supporting part.