Toilet device

Abstract

A toilet device includes a toilet body including a toilet bowl and a discharger that flows flushing water on a surface of the toilet bowl from a discharge outlet, wherein the toilet device may flow the flushing water such that a flow velocity of the flushing water at its surface is 0.5 m/s or more.

1 . A toilet device comprising:
 a toilet body having a toilet bowl; and   a discharger flowing flushing water on a surface of the toilet bowl, and   the flushing water being flushed at surface flow velocity of 0.5 m/s or more.   
     
     
         2 . The toilet device of  claim 1 , wherein
 the discharger flows the flushing water with a height of 5.0 mm or less of the flushing water flowing on the surface of the toilet bowl.   
     
     
         3 . The toilet device of  claim 1 , wherein
 the discharger flows the flushing water at a flow velocity of 0.5 m/s or more at a position 1.0 mm away from the surface of the toilet bowl in a specific region.   
     
     
         4 . The toilet device of  claim 1 , wherein
 the discharger discharges the flushing water at an angle of 0 to 30 degrees relative to the surface of the toilet bowl.   
     
     
         5 . The toilet device of  claim 1 , wherein
 the discharger comprises a discharge outlet located on one of a left side and a right side relative to a center of the toilet bowl in a left-right direction, and   the discharger flows the flushing water at the surface flow velocity of 0.5 m/s or more on the other of the left side and the right side relative to the center of the toilet bowl in the left-right direction.   
     
     
         6 . The toilet device of  claim 1 , wherein the discharger flows the flushing water at a flow velocity of 0.5 m/s or more until the flushing water reaches a surface of trap water in the toilet bowl. 
     
     
         7 . The toilet device of  claim 1 , wherein the discharger discharges the flushing water downward. 
     
     
         8 . The toilet device of  claim 1 , wherein the discharger flows the flushing water along an upper edge of the toilet bowl by discharging the flushing water in a direction along the upper edge. 
     
     
         9 . The toilet device gof  claim 1 , wherein
 the toilet body comprises a drain portion recessed downward from a bottom of the toilet bowl,   the toilet bowl comprises:
 a trap water region from an upper end of the drain portion to a surface of trap water in the toilet bowl in an up-down direction; and 
 an upper region from an upper end of the trap water region to the upper edge of the toilet bowl 
 a surface of the upper region forward of the trap water region including at least one of a downwardly curved shape and a linear shape inclined downward to the surface of the trap water in a cross section passing through a center of the toilet bowl in a left-right direction and perpendicular to the left-right direction. 
   
     
     
         10 . The toilet device of  claim 1 , wherein
 in a top view of the toilet bowl, a ratio of a first area of a surface of trap water in the toilet bowl to a second area excluding the surface of the trap water is from 4:6 to 10:0.   
     
     
         11 . The toilet device of  claim 1 , wherein
 the discharger flows the flushing water on the surface of the toilet bowl by discharging the flushing water in multiple directions,   the discharger flows the flushing water on the surface of the toilet bowl by at least one of: using a pressure of the flushing water supplied from a supply pipe extending from a clean water passage; and pressurizing the flushing water by a pump,   the discharger discharges the flushing water in a first direction of the multiple directions to flow the flushing water in a first region of the surface of the toilet bowl, and   the discharger discharges the flushing water in a second direction of the multiple directions to flow the flushing water in a second region of the surface of the toilet bowl different from the first region.   
     
     
         12 . A toilet device comprising:
 a toilet body having a toilet bowl; and   a discharger flowing flushing water on a surface of the toilet bowl by discharging the flushing water in multiple directions,   flowing the flushing water on the surface of the toilet bowl by at least one of: using a pressure of the flushing water supplied from a supply pipe extending from a clean water passage; and pressurizing the flushing water by a pump,   discharging the flushing water in a first direction of the multiple directions to flow the flushing water in a first region of the surface of the toilet bowl; and   discharging the flushing water in a second direction of the multiple directions to flow the flushing water in a second region of the surface of the toilet bowl different from the first region.   
     
     
         13 . The toilet device of  claim 12 , wherein
 the discharger flows the flushing water at a surface flow velocity of 0.5 m/s or more over an entirety of the first region, and   the discharger flows the flushing water at the surface flow velocity of 0.5 m/s or more over an entirety of the second region.   
     
     
         14 . The toilet device of  claim 12 , wherein
 a portion of the toilet bowl located forward of a surface of trap water includes at least one of a downwardly curved shape and a planar shape inclined downward to the surface of the trap water in a cross section passing through a center of the toilet bowl in a left-right direction and perpendicular to the left-right direction.   
     
     
         15 . The toilet deviceof  claim 12 , wherein
 the discharger starts discharging the flushing water in the first direction at a first timing and starts discharging the flushing water in the second direction at a second timing different from the first timing.   
     
     
         16 . The toilet device of  claim 15 , wherein
 the discharger starts discharging the flushing water in the second direction at the second timing at which a flow velocity of the flushing water discharged in the first direction becomes less than a flow velocity of the flushing water to be discharged in the second direction.   
     
     
         17 . The toilet device as of  claim 12 , wherein
 the discharger comprises a valve device, and   the valve device is configured to:
 switch between a state of discharging the flushing water in the first direction and a state of not discharging the flushing water in the first direction; and 
 switch between a state of discharging the flushing water in the second direction during the state of not discharging the flushing water in the first direction and a state of not discharging the flushing water in the second direction during the state of discharging the flushing water being discharged in the first direction. 
   
     
     
         18 . The toilet device of  claim 17 , wherein
 the valve device comprises:
 a first switching valve configured to switch between the state of discharging the flushing water in the first direction and the state of not discharging the flushing water in the first direction; and 
 a second switching valve configured to switch between the state of discharging the flushing water in the second direction and the state of not discharging the flushing water in the second direction. 
   
     
     
         19 . The toilet device of  claim 12 ,
 wherein the first region and the second region partially overlap each other.   
     
     
         20 . The toilet device of  claim 12 , wherein
 the discharger comprises:
 a first discharge outlet for discharging the flushing water in the first direction; and 
 a second discharge outlet for discharging the flushing water in the second direction, 
   the first discharge outlet is located on a left side relative to a center of the toilet bowl in a left-right direction, and   the second discharge outlet is located on a right side relative to the center of the toilet bowl in the left-right direction.   
     
     
         21 . The toilet device of  claim 12 , wherein
 the discharger comprises a flow velocity changer configured to change a maximum flow velocity in a period from a start of discharging the flushing water to an end of discharging the flushing water.   
     
     
         22 . The toilet device  claim 12 , wherein
 the discharger comprises a mode switcher configured to switch between a first mode for discharging the flushing water in the first direction to flow the flushing water over an entirety of the first region and a second mode for discharging the flushing water in the first direction to flow the flushing water over a part of the first region.   
     
     
         23 . The toilet device of  claim 12 , wherein
 the discharger flows the flushing water along an upper edge of the toilet bowl by discharging the flushing water in a direction along the upper edge.   
     
     
         24 . The toilet device of  claim 12 , wherein
 the toilet body comprises a drain portion recessed downward from a bottom of the toilet bowl,   the toilet bowl comprises:
 a trap water region from an upper end of the drain portion to a surface of trap water in the toilet bowl in an up-down direction; and 
 an upper region from an upper end of the trap water region to the upper edge of the toilet bowl, and 
   a surface of the upper region forward of the trap water region includes at least one of a downwardly curved shape and a linear shape inclined downward to the surface of the trap water in the toilet bowl in a cross section passing through a center of the toilet bowl in a left-right direction and perpendicular to the left-right direction.   
     
     
         25 . The toilet device of  claim 12 , wherein
 in a top view of the toilet bowl, a ratio of a first area of a surface of trap water in the toilet bowl to a second area excluding the surface of the trap water is from 4:6 to 10:0.   
     
     
         26 . The toilet device of  claim 12 , wherein
 the discharger flows the flushing water at a surface flow velocity of 0.5 m/s or more.