Seat assembly and toilet

Abstract

A seat assembly includes a seat including at least one seat lug disposed at a rear end of the seat. The seat assembly further includes a waterway control mechanism disposed on a side of the at least one seat lug. The waterway control mechanism includes a mechanism body pivotably connected to the at least one seat lug and comprising a pressure relief hole; a cover connected to the mechanism body and comprising a water inlet pipe and a water outlet pipe; a sealing valve disposed in the cover and comprising a water flowing hole; and a swinging arm pivotably disposed between the mechanism body and the at least one seat lug and configured to be driven by a rotation of the at least one seat lug so as to swing.

1 - 10 . (canceled) 
     
     
         11 . A seat assembly, comprising:
 a seat comprising at least one seat lug disposed at a rear end of the seat; and   a waterway control mechanism disposed on a side of the at least one seat lug, the waterway control mechanism comprising:
 a mechanism body pivotably connected to the at least one seat lug and comprising a pressure relief hole; 
 a cover connected to the mechanism body and comprising a water inlet pipe and a water outlet pipe; 
 a sealing valve disposed in the cover and comprising a water flowing hole; and 
 a swinging arm pivotably disposed between the mechanism body and the at least one seat lug and configured to be driven by a rotation of the at least one seat lug so as to swing. 
   
     
     
         12 . The seat assembly according to  claim 11 , wherein the pressure relief hole and a water inlet of the cover are disposed on opposite sides of the sealing valve,
 wherein the waterway control mechanism is further comprising a plug cap disposed at a first end of the swinging arm is configured to open or close the pressure relief hole when the swinging arm swings, and   wherein the sealing valve is configured to fluidly connect or disconnect a waterway between the water inlet pipe and the water outlet pipe in response to opening or closing of the pressure relief hole.   
     
     
         13 . The seat assembly according to  claim 12 , further comprising:
 an elastic element connected between a second end of the swinging arm and the mechanism body,   wherein when the elastic element is in an initial state, the plug cap closes the pressure relief hole.   
     
     
         14 . The seat assembly according to  claim 13 , further comprising:
 a first guiding structure disposed on a side, facing the mechanism body, of the seat lug; and   a second guiding structure disposed on the second end of the swinging arm and configured to slidably cooperate with the first guiding structure,   wherein at least one of the first guiding structure or the second guiding structure are in a circular arc shape.   
     
     
         15 . The seat assembly according to  claim 14 , wherein the first guiding structure comprises a guiding groove in the circular arc shape,
 wherein the guiding groove comprises at least one deep groove section and a shallow groove section,   wherein the second guiding structure comprises a guiding element extending toward the guiding groove, and   wherein the guiding element is configured to be engaged with the guiding groove.   
     
     
         16 . The seat assembly according to  claim 15 , wherein the plug cap closes the pressure relief hole when the guiding element is disposed in the at least one deep groove section, and
 wherein the plug cap opens the pressure relief hole when the guiding element is disposed in the shallow groove section.   
     
     
         17 . The seat assembly according to  claim 16 , wherein the at least one deep groove section comprises a first deep groove section and a second deep groove section,
 wherein the shallow groove section is disposed between the first deep groove section and the second deep groove section,   wherein the seat is disposed in a closed state when the guiding element is disposed in the first deep groove section, and   wherein the seat is disposed in a fully opened state when the guiding element is disposed in the second deep groove section.   
     
     
         18 . The seat assembly of  claim 12 , wherein the mechanism body further comprises a guiding column extending toward the cover, and
 wherein the sealing valve is slidably assembled on the guiding column.   
     
     
         19 . The seat assembly according to  claim 12 , wherein the mechanism body further comprises a sealing flange is disposed on an edge of the water inlet of the cover, and
 wherein when the pressure relief hole is in an opened state, the sealing valve is attached to the sealing flange.   
     
     
         20 . The seat assembly according to  claim 12 , wherein the mechanism body further comprises two mounting lugs vertically spaced apart from each other, and
 wherein the swinging arm is mounted between the two mounting lugs through a pivot shaft.   
     
     
         21 . The seat assembly according to  claim 20 , wherein the pivot shaft is disposed at an end close to the plug cap. 
     
     
         22 . The seat assembly according to  claim 12 , wherein the mechanism body further comprises a connection base configured to be connected to an opening of the cover, and
 wherein the pressure relief hole penetrates the connection base.   
     
     
         23 . The seat assembly according to  claim 22 , wherein the cover comprises a cavity including:
 a chamber where the water inlet of the cover is located;   a first chamber defined by a portion between a peripheral edge of the sealing valve and a wall surface around the water inlet of the cover; and   a second chamber defined by a portion between the sealing valve and the connection base, and   wherein the pressure relief hole is in fluid communication with the second chamber.   
     
     
         24 . The seat assembly according to  claim 23 , wherein the water inlet pipe is disconnected from the water outlet pipe when the sealing valve is deformed toward the water inlet of the cover so as to contact the wall surface around the water inlet of the cover, and
 wherein the water inlet pipe is fluidly connected to the water outlet pipe when the sealing valve is deformed toward the second chamber so as to leave from the wall surface around the water inlet of the cover.   
     
     
         25 . The seat assembly according to  claim 24 , wherein when the swinging arm is in an initial state:
 the plug cap blocks the pressure relief hole,   water is accumulated in the second chamber until a water pressure in the second chamber is equal to a water pressure in the water inlet of the cover, and   the seal valve is deformed toward the water inlet of the cover.   
     
     
         26 . The seat assembly according to  claim 24 , wherein when the swinging arm is in a swinging state:
 the plug cap leaves from the pressure relief hole,   the water pressure in the second chamber is decreased to be less than the water pressure in the water inlet of the cover, and   the sealing valve is deformed toward the second chamber.   
     
     
         27 . A toilet, comprising:
 a toilet bowl;   a toilet body;   a mounting base disposed at a rear end portion of the toilet body;   a seat assembly comprising:
 a seat pivotably connected to the mounting base, the seat comprising at least one seat lug disposed at a rear end of the seat; and 
 a waterway control mechanism disposed on a side of the at least one seat lug, the waterway control mechanism comprising:
 a mechanism body pivotably connected to the at least one seat lug and comprising a pressure relief hole; 
 a cover connected to the mechanism body and comprising a water inlet pipe and a water outlet pipe; 
 a sealing valve disposed in the cover and comprising a water flowing hole; and 
 a swinging arm pivotably disposed between the mechanism body and the at least one seat lug and configured to be driven by a rotation of the at least one seat lug so as to swing; 
 
   a water supply pipeline configured to be connected to the water inlet pipe;   a pre-flushing nozzle configured to be connected to the water outlet pipe and directed toward the toilet bowl.   
     
     
         28 . The toilet according to  claim 27 , wherein the pressure relief hole and a water inlet of the cover are disposed on opposite sides of the sealing valve,
 wherein the waterway control mechanism is further comprising a plug cap disposed at a first end of the swinging arm is configured to open or close the pressure relief hole when the swinging arm swings, and   wherein the sealing valve is configured to fluidly connect or disconnect a waterway between the water inlet pipe and the water outlet pipe in response to opening or closing of the pressure relief hole.   
     
     
         29 . A method for controlling a pre-flushing nozzle of a toilet to spray water, the method comprising:
 rotating at least one seat lug disposed at a rear end of the seat by flipping a seat of the toilet with respect to a toilet body;   in response to a rotation of the at least one seat lug, changing a state of a swinging arm from an initial state to a swinging state;   in response to the swinging state of the swinging arm, allowing the pre-flushing nozzle to spray the water by connecting a waterway between a water inlet pipe and a water outlet pipe.   
     
     
         30 . The method  according to 29 , wherein allowing the pre-flushing nozzle to spray the water comprises:
 in response to a deformation of a sealing valve, moving a plug cap disposed at an end of the swinging arm to leave from a pressure relief hole.