Sewage discharge box, sewage discharge system and toilet

Abstract

A sewage discharge box is applied to a toilet. A rotary connecting hole is formed on the sewage discharge box and is rotatably connected to a sewage discharge pipe of the toilet. The sewage discharge pipe is at least partially provided in the sewage discharge box and rotates about the rotary connecting hole. The inner wall surface of the sewage discharge box is divided into a sewage discharge area and a non-sewage discharge area, and the sewage discharge pipe rotates from a side where the non-sewage discharge area is located to the side where the sewage discharge area is located in the rotary sewage discharge process, the non-sewage discharge area and the sewage discharge area are asymmetrically arranged with respect to an interface, and the space enclosed by the sewage discharge area is greater than the space enclosed by the non-sewage discharge area.

1 . A sewage discharge box applicable to a toilet, wherein the toilet further comprises a sewage discharge pipe, the sewage discharge box is provided with a rotary connecting hole, the rotary connecting hole is configured to be rotatably connected with the sewage discharge pipe, and the sewage discharge pipe is at least partially provided in the sewage discharge box and rotates around the rotary connecting hole;
 a vertical plane where a central axis of the rotary connecting hole is located is taken as an interface, an inner wall surface of the sewage discharge box is divided into a sewage discharge area and a non-sewage discharge area, and the sewage discharge pipe rotates from a side where the non-sewage discharge area is located to a side where the sewage discharge area is located in a rotary sewage discharge process;   wherein the non-sewage discharge area and the sewage discharge area are asymmetrically arranged with respect to the interface, and a space enclosed by the sewage discharge area is greater than a space enclosed by the non-sewage discharge area.   
     
     
         2 . The sewage discharge box according to  claim 1 , wherein the sewage discharge area comprises a transition area, and the transition area is configured such that during the rotation of the sewage discharge pipe relative to the sewage discharge box, a discharge outlet of the sewage discharge pipe faces the transition area; and
 wherein a distance between the central axis of the rotary connecting hole and the transition area is gradually increased in a direction from top to bottom.   
     
     
         3 . The sewage discharge box according to  claim 2 , wherein the sewage discharge area further comprises an outlet area located below the rotary connecting hole, the outlet area defines a sewage outlet of the sewage discharge box, and a central axis of the sewage outlet offsets from the interface. 
     
     
         4 . The sewage discharge box according to  claim 3 , wherein a longitudinal cross section perpendicular to the interface is designated as a longitudinal perpendicular section, a contour line of the transition area on the longitudinal perpendicular section comprises a first section, a second section and a third section connected sequentially from top to bottom, and a region corresponding to the third section is configured to directly face the discharge outlet of the sewage discharge pipe when the sewage discharge pipe rotates to a sewage discharge position; and
 wherein the third section is provided as an inclined straight section and extends downward at an angle in a direction close to the non-sewage discharge area.   
     
     
         5 . The sewage discharge box according to  claim 4 , wherein the first section is provided in an arc shape, and the second section extends in a vertical direction. 
     
     
         6 . The sewage discharge box according to  claim 4 , wherein a contour line of the outlet area on the longitudinal perpendicular section comprises a fourth section and a fifth section, the fourth section is smoothly connected with a lower end of the third section, the fifth section is configured to be spaced from the fourth section, and the sewage outlet is formed between the fifth section and the fourth section. 
     
     
         7 . The sewage discharge box according to  claim 6 , wherein the fifth section comprises an outlet section and a transition section, the outlet section is arranged opposite to the fourth section, and the sewage outlet is formed between the outlet section and the fourth section, and a dumping surface of the sewage discharge pipe is provided with a flaring part in a sewage discharge dumping direction;
 the outlet section is configured such that: when the sewage discharge pipe rotates to the sewage discharge position, the outlet section is adapted with a contour line of the dumping surface of the sewage discharge pipe on the longitudinal perpendicular section, so that the outlet section forms a flaring guide part for guiding the sewage discharge;   a lower end of the transition section is smoothly connected with an upper end of the outlet section, and an upper end of the transition section is smoothly connected with a contour line of the non-sewage discharge area on the longitudinal perpendicular section.   
     
     
         8 . The sewage discharge box according to  claim 4 , wherein a contour line of the non-sewage discharge area on the longitudinal perpendicular section comprises a sixth section, a seventh section, and an eighth section sequentially connected from top to bottom;
 the sixth section is smoothly connected with the first section, and the eighth section is smoothly connected with a contour line of the outlet area on the longitudinal perpendicular section.   
     
     
         9 . The sewage discharge box according to  claim 8 , wherein the sixth section is provided in an arc shape, a center of the sixth section is the same as that of the first section, and the seventh section extends in a vertical direction. 
     
     
         10 . The sewage discharge box according to  claim 9 , wherein an upper end of the seventh section is higher than an upper end of the second section, and a lower end of the seventh section is higher than a lower end of the second section. 
     
     
         11 . The sewage discharge box according to  claim 1 , wherein the space enclosed by the sewage discharge area is configured such that a maximum rotation angle provided for the sewage discharge pipe is in a range of 100° to 120°. 
     
     
         12 . A sewerage discharge system comprising:
 the sewage discharge box according to  claim 1 ;   a sewage discharge pipe rotatably connected with the sewage discharge box; and   a drive device connected with the sewage discharge pipe, and configured to drive the sewage discharge pipe to rotate relative to the sewage discharge box.   
     
     
         13 . The sewage discharge system according to  claim 12 , further comprising:
 a cleaning device connected with the sewage discharge box, and configured to spray a cleaning liquid into the sewage discharge box.   
     
     
         14 . A toilet comprising:
 a toilet seat provided with a bowl, the bowl provided with a sewage discharge outlet; and   the sewage discharge system according to  claim 12 , wherein the sewage discharge pipe of the sewage discharge system is communicated with the sewage discharge outlet, and a central axis of the sewage discharge outlet is collinear with a rotation axis of the sewage discharge pipe.   
     
     
         15 . The toilet according to  claim 14 , wherein the toilet seat is provided with a flush port communicated with the bowl, and the toilet further comprises:
 a water diverter valve provided with a water inlet, a first water outlet and a second water outlet, wherein one of the first water outlet and the second water outlet is communicated with the water inlet, the water inlet is configured to connect to a water source, the first water outlet is configured to be communicated with the flush port to supply water to the bowl, and the second water outlet is configured to be communicated with a cleaning device of the sewage discharge system to supply water to the cleaning device.   
     
     
         16 . The toilet according to  claim 15 , wherein the toilet seat is provided with a plurality of water diverter ports, the plurality of water diverter ports are provided at the top of the bowl, and the flush port is communicated with the bowl by the plurality of water diverter ports. 
     
     
         17 . The toilet according to  claim 15 , further comprising:
 a water storage tank; and   a water pump, wherein an input end of the water pump is communicated with the water storage tank, and an output end of the water pump is communicated with the water inlet and is configured to pump the water in the water storage tank into the water diverter valve.   
     
     
         18 . The toilet according to  claim 17 , wherein the toilet seat is provided with a mounting cavity, the mounting cavity is located on a rear side of the bowl, and the sewage discharge system, at least a portion of the water diverter valve, at least a portion of the water storage tank, and the water pump are located in the mounting cavity. 
     
     
         19 . The sewage discharge box according to  claim 2 , wherein the space enclosed by the sewage discharge area is configured such that a maximum rotation angle provided for the sewage discharge pipe is in a range of 100° to 120°. 
     
     
         20 . The sewage discharge box according to  claim 3 , wherein the space enclosed by the sewage discharge area is configured such that a maximum rotation angle provided for the sewage discharge pipe is in a range of 100° to 120°.