CN108331122B - Flushing device and closestool - Google Patents
Flushing device and closestool Download PDFInfo
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- CN108331122B CN108331122B CN201810146600.7A CN201810146600A CN108331122B CN 108331122 B CN108331122 B CN 108331122B CN 201810146600 A CN201810146600 A CN 201810146600A CN 108331122 B CN108331122 B CN 108331122B
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- siphon
- water
- weir
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- cylinder body
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention provides a flushing device and a closestool, which comprise a cylinder body and a siphon, wherein the siphon is communicated with the bottom of the cylinder body; the spraying hole is communicated with the bottom of the cylinder body; the jet hole faces to the sewage inlet of the siphon. The flushing device has the advantages of less water consumption, strong flushing function, simple process and manufacture, and can effectively prevent blockage.
Description
Technical Field
The invention relates to a flushing device and a closestool using the same; in particular to a flushing device for a siphon closestool and the siphon closestool using the same.
Background
At present, the existing toilet can be divided into a direct flushing type and a siphon type according to different flushing modes. The siphon type closestool discharges sewage by means of siphonage phenomenon formed by filling flushing water into a sewage discharge pipeline of the closestool. Siphonic toilets are constructed with the characteristic that there is a good conduit within the toilet. The shape is a side-inverted S shape, and the siphon action is promoted by the water head difference when water is supplied. Siphon toilets generally comprise a toilet body, a tank and a flushing device comprising a jet channel.
The existing siphon jet flush toilet is characterized in that a part of water in a water tank flows around to the front end of a toilet from a jet hole and then flows backwards along the front wall of the bottom of a toilet bowl to start siphon, so that filth is discharged out of a toilet trap, the jet hole is arranged around the outer contour of the toilet bowl, and jet water flows have large deflection in the water flow direction of a position part entering the toilet bowl, so that the flowing path of the jet water flows is long, the water flow direction changes irregularly, the energy loss is large, the siphon is not beneficial to quick start, and the flushing effect is influenced on the premise of the same water quantity.
Several improvements to existing siphon jet toilets have their disadvantages:
1. reducing the sewer diameter makes siphoning easier to occur, but this carries the risk that the toilet will become clogged.
2. The additional mechanical device adopts a vacuum pumping method, but the cost of the product is increased, and the product occupies more space.
3. Keeping the traditional design, the flushing water amount is simply reduced, but the flushing function is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a flushing device which has the advantages of less water consumption, strong flushing function, simple process and manufacture and capability of effectively preventing blockage.
In order to solve the technical problem, the invention provides a flushing device, which comprises a cylinder body and a siphon pipe, wherein the siphon pipe is communicated with the bottom of the cylinder body; the water outlet of the spray hole is communicated with the bottom of the cylinder body; the water outlet of the jet hole faces to the sewage inlet of the siphon.
The flushing device has the beneficial effects that: the water consumption is little, and the bath function is strong, and technology simple manufacture can also effectively prevent to block up.
Preferably, the included angle between the central line of the water outlet of the injection hole and the horizontal line is 25-35 degrees.
Preferably, the included angle between the central line of the water outlet of the injection hole and the horizontal line is 28 degrees.
Preferably, the siphon pipe comprises an ascending section, one end of the ascending section is connected with the cylinder bottom, the other end of the ascending section is connected with the first weir of the siphon pipe, and the extending direction of the ascending section extends from the connection part of the ascending section and the cylinder to the direction far away from the siphon pipe sewage inlet.
Preferably, the siphon further comprises a second water weir, the second water weir extends downwards from the first water weir in an arc shape, and the extending direction is a direction from the first water weir to the cylinder.
Preferably, the radian of the transition from the first weir to the second weir is from a large curvature radius to a small curvature radius, and the diameter of a section of passing ball before the second weir is the smallest in the siphon pipeline; and the included angle between the central line of the front section of the second weir and the horizontal plane is 5-25 degrees.
Preferably, the included angle between the center line of the front section of the second weir and the horizontal plane is 13 degrees; the horizontally projected distance of the front section of the sewage draining exit is 2/3 to 3/4 of the horizontally projected distance that the upper siphon pipe extends downwards along the tangential direction of the pipe.
Preferably, the injection hole is located in front of the cylinder; the siphon is positioned behind the cylinder body; the outer surface of the cylinder body is provided with a rim water channel.
Preferably, the cross-sectional area of the injection hole is 80 to 200 mm.
The area of the injection hole is 110 to 150 square millimeters; the injection holes are rectangular holes.
Preferably, the ratio of the cross-sectional area of the water inlet of the rim water passage to the cross-sectional area of the injection hole in the flushing device is a preset ratio, and the preset ratio enables the ratio of the flow rate flowing into the rim water passage to the flow rate flowing out of the injection hole to be 1.5/1 to 1.7/1.
Preferably, the predetermined ratio is such that the ratio of the flow rate of the water flowing into the rim water passage to the flow rate of the injection holes is 1.6/1.
The invention provides a closestool, which comprises a cylinder body and a siphon, wherein the siphon is communicated with the bottom of the cylinder body; the spraying hole is communicated with the bottom of the cylinder body; the jet hole faces to the sewage inlet of the siphon.
The toilet disclosed by the invention has the beneficial effects that: the water consumption is little, and the bath function is strong, and technology simple manufacture can also effectively prevent to block up.
Preferably, the center line of the injection hole forms an angle of 25 to 35 degrees with the horizontal line.
Preferably, the siphon comprises an ascending section, one end of the ascending section is connected with the cylinder bottom, the other end of the ascending section is connected with the first weir of the siphon, and the extending direction of the ascending section extends from the connection part of the ascending section and the cylinder to the direction far away from the siphon sewage inlet; the siphon further comprises a second water weir, wherein the second water weir extends downwards in an arc shape from the first water weir, and the extending direction is the direction from the first water weir to the cylinder body.
Preferably, the radian of the transition from the first weir to the second weir is from a large curvature radius to a small curvature radius, and the diameter of a section of passing ball before the second weir is the smallest in the siphon pipeline; the included angle between the central line of the front section of the second weir and the horizontal plane is 5-25 degrees; the horizontally projected distance of the front section of the sewage draining exit is 2/3 to 3/4 of the horizontally projected distance that the upper siphon pipe extends downwards along the tangential direction of the pipe.
Preferably, the injection hole is located in front of the cylinder; the siphon is positioned behind the cylinder body; the outer surface of the cylinder body is provided with a rim water channel; the cross-sectional area of the injection hole is 80 to 200 square millimeters; the included angle between the central line of the front section of the second weir and the horizontal plane is 13 degrees; the included angle between the central line of the jet hole and the horizon is 28 degrees.
Preferably, the area of the injection hole is 110 to 150 square millimeters; the injection hole is a rectangular hole; the ratio of the sectional area of the water inlet of the rim water channel of the toilet to the sectional area of the injection hole is a preset ratio, and the preset ratio enables the ratio of the flow rate flowing into the rim water channel to the flow rate flowing out of the injection hole to be 1.5/1 to 1.7/1.
Preferably, the predetermined ratio is such that the ratio of the flow rate of the water flowing into the rim water passage to the flow rate of the injection holes is 1.6/1.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a cross-sectional view of a flush device according to one embodiment of the present invention.
FIG. 2 is a top view of a rectangular jet orifice of a flush device according to one embodiment of the present invention.
FIG. 3 is a top view of a circular jet orifice of a prior art flush device.
FIG. 4 is a schematic view of a siphon tube according to an embodiment of the present invention;
FIG. 5 is another schematic view of a siphon tube according to an embodiment of the present invention;
fig. 6 is a schematic view of a prior art siphon pipe.
The various reference numbers in the figures illustrate: 6. a cylinder body; 7. a water tank; 8. a siphon tube; 9. a first weir; 10. a second weir; 11. An injection hole; 12. a sewage inlet; 13. the front section of the second weir; 14. the horizontal projection distance of the front section of the sewage draining exit; 15. the siphon extends downwards along the tangent direction of the pipe to the horizontal projection distance; 16. the included angle between the central line of the water outlet of the jet hole and the horizon; 17. the included angle between the central line of the front section of the second weir and the horizontal plane; 18. a siphon ascending section.
Detailed Description
Example one
As shown in figure 1, the flushing device comprises a cylinder body and a siphon pipe, wherein the siphon pipe is communicated with the bottom of the cylinder body; the water outlet of the spray hole is communicated with the bottom of the cylinder body; the water outlet of the jet hole faces to the sewage inlet of the siphon. The included angle between the central line of the water outlet of the injection hole and the horizon is 25 to 35 degrees, and preferably, the included angle between the central line of the water outlet of the injection hole and the horizon is 26 to 32 degrees. Preferably, the included angle between the central line of the water outlet of the spray hole and the horizontal line can be 26, 27, 28, 29, 30, 31, 32, 33, 34 and 35 degrees. Optimally, the included angle between the central line of the water outlet of the jet hole and the horizon is 28 degrees; the central line of the water column sprayed from the spray hole falls on the lower part of the pipe wall of the ascending section of the siphon pipeline, and the central line of the water column falls on the second half section of the ascending section. Tests prove that the falling point of the central line of the water column in the invention has direct influence on washing light dirt. When the central line of the water column falls on the lower section pipe wall of the ascending section, the water column edge water flow can take away the deposited lighter dirt entering the groove at the lower part of the section from the dirt inlet. If the central line falling point of the water column exceeds the first water weir or falls on the upper section pipe wall of the ascending section, the water flow radius of the water column is far away from the sewage inlet and enters the groove at the lower part of the section, so that deposited sewage cannot be taken away or cannot be taken away quickly, and the sewage falls back into the trap after siphon. Another reason is that if the central line of the water column falls on the upper wall of the ascending section, water flow at the edge of the water column may directly impact on the wall surface of the toilet bowl body close to the upper end of the dirt inlet, so that water is splashed back by the water column, the water column cannot completely enter the ascending section of the siphon pipe, the flushing efficiency is reduced, and the function of the toilet is affected.
As shown in fig. 4 and 5, the siphon tube includes two water weirs. The siphon comprises an ascending section, one end of the ascending section is connected with the bottom of the cylinder body, the other end of the ascending section is connected with the first water weir of the siphon, and the extending direction of the ascending section extends from the connecting part of the ascending section and the cylinder body to the direction far away from the sewage inlet of the siphon. The siphon further comprises a second water weir, wherein the second water weir extends downwards in an arc shape from the first water weir, and the extending direction is the direction from the first water weir to the cylinder body. The first water weir is used for meeting the water seal height requirement of the closestool, the second water weir is used for blocking and delaying overflow water of flushing water flowing out of a sewage outlet of the siphon pipe before the siphon pipe is filled with the overflow water before the siphon pipe is not siphoned when the closestool is flushed, and the water consumption of the closestool is lower as the waste water is less. The radian of the transition from the first weir to the second weir is from a large radius of curvature to a small radius of curvature, and the section of the ball passing diameter before the second weir is the smallest in the siphon pipe. Because the curvature radius makes the velocity of water in the siphon change from slow to fast from big to small, and the minimum diameter section of crossing the ball of cooperation second weir anterior segment can accelerate the velocity of flow of water rapidly, makes rivers violently hit the siphon upper wall at the second weir position and bounce-back, prevents that subsequent rivers from overflowing the siphon drain outlet fast, makes the siphon be full of water fast and produces the siphon, reduces extravagant water, saves the closestool water consumption. The included angle between the central line of the front section of the second weir and the horizontal plane is 5 degrees to 25 degrees, and preferably, the included angle between the central line of the front section of the second weir and the horizontal plane is 10 degrees to 20 degrees. Preferably, the included angle between the central line of the water outlet of the spray hole and the horizontal line can be 5, 10, 11, 12, 13, 14, 15, 20 and 25 degrees. The optimal included angle between the center line of the front section of the second weir and the horizontal plane is 13 degrees; because the angle is too small, the dirt is easy to be blocked near the horizontal second weir, and the effect of stopping and delaying the water flow due to too large angle is reduced, which is not beneficial to quickly generating siphon. The horizontal projection distance of the front section of the sewage draining exit is designed to extend the upper siphon pipe downwards to 2/3-3/4 of the horizontal projection distance along the tangential direction of the pipe. The distance can block the overflowed water to delay the water flow speed, the horizontal distance is not enough to block heavy dirt from falling, the siphon time is shortened when the flushing water is small, and the dirt can smoothly slide out of the sewage outlet through the horizontal section of the siphon tube under the condition that the siphon is finished after the dirt passes through the second water weir.
As shown in fig. 4, the siphon ball diameter starts from the inlet 12 of the siphon, and gradually changes from large to small along the ascending section to the first weir position 2, the ball diameter is unchanged from the first weir position 2 to the position 3, the ball diameter is changed to minimum from the position 3 to the position 4 of the front section of the second weir, and then the ball diameter gradually returns to the position 2 from the position 4 to the position 5.
The injection hole is positioned in front of the cylinder body; the siphon is positioned behind the cylinder body; the outer surface of the cylinder body is provided with a rim water channel. The cross-sectional area of the injection hole is 80 to 200 square millimeters, and preferably, the area of the injection hole is 110 to 150 square millimeters. As shown in fig. 2 and 3, the injection holes are non-circular because of the same area and the smallest wet circumference of the circular holes. As shown in FIG. 2, rectangular holes are preferred for the injection holes because the wetted perimeter of the equivalent area is the longest. When the water column blowout jet orifice, wet week is longer, and the water column is bigger with the contact surface of water when flowing in the trap, similar venturi principle, and the periphery just produces the negative pressure and can adsorb the water in the trap and flow to in the siphon together when the water column flows fast, so the big more water that drives of contact surface is just more, gets into the water increase of siphon in the twinkling of an eye, and the siphon is filled up the production siphon rapidly by water, has reduced the overflow water that flows out the siphon drain before being full of the siphon pipeline, plays the water conservation effect.
The ratio of the cross section area of the water inlet of the rim water channel in the flushing device to the cross section area of the jet hole is a preset ratio, and the preset ratio enables the ratio of the flow rate flowing into the rim water channel to the flow rate flowing out of the jet hole to be 1.5/1 to 1.7/1. Preferably, the predetermined ratio is such that the ratio of the flow rate of the water flowing into the rim water passage to the flow rate of the injection holes is 1.6/1.
The invention also provides a closestool, which comprises a cylinder body and a siphon, wherein the siphon is communicated with the bottom of the cylinder body; the spraying hole is communicated with the bottom of the cylinder body; the jet hole faces to the sewage inlet of the siphon. The included angle between the central line of the jet hole and the horizon is 25 to 35 degrees; optimally, the included angle between the central line of the water outlet of the spray hole and the horizontal line is 28 degrees. The siphon comprises an ascending section, one end of the ascending section is connected with the bottom of the cylinder body, the other end of the ascending section is connected with the first weir of the siphon, and the extending direction of the ascending section extends from the connecting part of the ascending section and the cylinder body to the direction far away from the sewage inlet of the siphon; the siphon further comprises a second water weir, wherein the second water weir extends downwards in an arc shape from the first water weir, and the extending direction is the direction from the first water weir to the cylinder body. The injection hole is positioned in front of the cylinder body; the siphon is positioned behind the cylinder body; the outer surface of the cylinder body is provided with a rim water channel. The included angle between the central line of the front section of the second weir and the horizontal plane is 5 degrees to 25 degrees, and the optimal included angle between the central line of the front section of the second weir and the horizontal plane is 13 degrees. The cross-sectional area of the injection hole is 80 to 200 square millimeters. Most preferably, the area of the spray hole is 110 to 150 square millimeters; the injection holes are rectangular holes. The ratio of the cross section area of the water inlet of the rim water channel in the flushing device to the cross section area of the jet hole is a preset ratio, and the preset ratio enables the ratio of the flow rate flowing into the rim water channel to the flow rate flowing out of the jet hole to be 1.5/1 to 1.7/1. Preferably, the predetermined ratio is such that the ratio of the flow rate of the water flowing into the rim water passage to the flow rate of the injection holes is 1.6/1.
The invention is not limited to the embodiments discussed above. The foregoing description of the specific embodiments is intended to describe and explain the principles of the invention. Obvious modifications or alterations based on the teachings of the present invention should also be considered as falling within the scope of the present invention. The foregoing detailed description is provided to disclose the best mode of practicing the invention, and also to enable a person skilled in the art to utilize the invention in various embodiments and with various alternatives for carrying out the invention.
Claims (12)
1. A flushing device comprises a cylinder body and a siphon pipe, wherein the siphon pipe is communicated with the bottom of the cylinder body;
the method is characterized in that: the water outlet of the spray hole is communicated with the bottom of the cylinder body;
the water outlet of the jet hole faces to the sewage inlet of the siphon pipe; the included angle between the central line of the water outlet of the jet hole and the horizon is 25-35 degrees;
the central line of the water column sprayed from the spray hole falls on the lower part of the pipe wall of the rising section of the siphon pipeline, and the central line of the water column falls on the second half section of the rising section;
the siphon comprises an ascending section, one end of the ascending section is connected with the bottom of the cylinder body, the other end of the ascending section is connected with the first weir of the siphon, and the extending direction of the ascending section extends from the connecting part of the ascending section and the cylinder body to the direction far away from the sewage inlet of the siphon;
the siphon further comprises a second water weir, the second water weir extends downwards from the first water weir in an arc shape, and the extending direction is the direction from the first water weir to the cylinder body;
the radian of the transition from the first weir to the second weir is from a large curvature radius to a small curvature radius, and the diameter of a section of passing ball in front of the second weir is the smallest in the siphon pipeline;
and the included angle between the central line of the front section of the second weir and the horizontal plane is 5-25 degrees.
2. The flushing device of claim 1 wherein the centerline of the jet outlet is at a 28 degree angle to the horizontal.
3. Flushing device according to claim 2,
the included angle between the central line of the front section of the second weir and the horizontal plane is 13 degrees;
the horizontally projected distance of the front section of the sewage draining exit is 2/3 to 3/4 of the horizontally projected distance that the upper siphon pipe extends downwards along the tangential direction of the pipe.
4. A flushing device as claimed in any one of claims 1 to 3 in which the spray orifice is located forwardly of the cylinder;
the siphon is positioned behind the cylinder body;
the outer surface of the cylinder body is provided with a rim water channel.
5. The flushing assembly of claim 4 wherein said jet orifice has a cross-sectional area of 80 to 200 square millimeters.
6. The flushing assembly of claim 5 wherein said spray orifices have an area of 110 to 150 square millimeters;
the injection holes are rectangular holes.
7. The flushing device as claimed in claim 6, wherein the ratio of the cross-sectional area of the water inlet of the rim water passage to the cross-sectional area of the spraying hole in the flushing device is a predetermined ratio;
the predetermined ratio is such that the ratio of the flow rate into the rim water passage to the flow rate out of the injection hole is between 1.5/1 and 1.7/1.
8. The flushing device of claim 7, wherein the predetermined ratio is such that the ratio of the flow rate of water flowing into the rim water passage to the flow rate of the injection holes is 1.6/1.
9. A toilet includes a cylinder and a siphon tube communicating with a bottom of the cylinder;
the method is characterized in that: the spraying hole is communicated with the bottom of the cylinder body;
the jet hole faces to a sewage inlet of the siphon pipe; the included angle between the central line of the jet hole and the horizon is 25 to 35 degrees;
the central line of the water column sprayed from the spray hole falls on the lower part of the pipe wall of the rising section of the siphon pipeline, and the central line of the water column falls on the second half section of the rising section; the siphon comprises an ascending section, one end of the ascending section is connected with the bottom of the cylinder body, the other end of the ascending section is connected with the first weir of the siphon, and the extending direction of the ascending section extends from the connecting part of the ascending section and the cylinder body to the direction far away from the sewage inlet of the siphon;
the siphon further comprises a second water weir, the second water weir extends downwards from the first water weir in an arc shape, and the extending direction is the direction from the first water weir to the cylinder body;
the radian of the transition from the first weir to the second weir is from a large curvature radius to a small curvature radius, and the diameter of a section of passing ball in front of the second weir is the smallest in the siphon pipeline;
the included angle between the central line of the front section of the second weir and the horizontal plane is 5-25 degrees;
the horizontally projected distance of the front section of the sewage draining exit is 2/3 to 3/4 of the horizontally projected distance that the upper siphon pipe extends downwards along the tangential direction of the pipe.
10. The toilet according to claim 9, wherein the injection hole is located in front of the cylinder;
the siphon is positioned behind the cylinder body;
the outer surface of the cylinder body is provided with a rim water channel;
the cross-sectional area of the injection hole is 80 to 200 square millimeters;
the included angle between the central line of the front section of the second weir and the horizontal plane is 13 degrees;
the included angle between the central line of the jet hole and the horizon is 28 degrees.
11. The toilet according to claim 10, wherein the spray hole has an area of 110 to 150 mm;
the injection hole is a rectangular hole;
the ratio of the cross-sectional area of the water inlet of the rim water passage in the toilet bowl to the cross-sectional area of the injection hole is a preset ratio, and the preset ratio enables the ratio of the flow rate flowing into the rim water passage to the flow rate flowing out of the injection hole to be 1.5/1 to 1.7/1.
12. The toilet according to claim 11, wherein the predetermined ratio is such that a ratio of a flow rate of water flowing into the rim water passage to a flow rate of the injection holes is 1.6/1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146600.7A CN108331122B (en) | 2018-02-12 | 2018-02-12 | Flushing device and closestool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146600.7A CN108331122B (en) | 2018-02-12 | 2018-02-12 | Flushing device and closestool |
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| Publication Number | Publication Date |
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| CN108331122A CN108331122A (en) | 2018-07-27 |
| CN108331122B true CN108331122B (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810146600.7A Active CN108331122B (en) | 2018-02-12 | 2018-02-12 | Flushing device and closestool |
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| CN (1) | CN108331122B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235577A (en) * | 2018-08-15 | 2019-01-18 | 科勒(中国)投资有限公司 | Toilet seat |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204626597U (en) * | 2015-05-21 | 2015-09-09 | 张宝金 | A kind of water closet being provided with four bend sewer pipes |
| CN105863017A (en) * | 2016-04-08 | 2016-08-17 | 佛山市顺德区乐华陶瓷洁具有限公司 | Discharge conduit of toilet and toilet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110103261A (en) * | 2010-03-12 | 2011-09-20 | 계림요업주식회사 | Toilet bowl for economization of water |
| CN202936874U (en) * | 2012-12-03 | 2013-05-15 | 洛阳市闻洲瓷业有限公司 | Closestool |
| CN203808190U (en) * | 2014-03-31 | 2014-09-03 | 漳州万佳陶瓷工业有限公司 | Injection-type water-saving closestool |
| CN206245441U (en) * | 2016-11-24 | 2017-06-13 | 科勒(中国)投资有限公司 | Drainage arrangement and the toilet using the device |
-
2018
- 2018-02-12 CN CN201810146600.7A patent/CN108331122B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204626597U (en) * | 2015-05-21 | 2015-09-09 | 张宝金 | A kind of water closet being provided with four bend sewer pipes |
| CN105863017A (en) * | 2016-04-08 | 2016-08-17 | 佛山市顺德区乐华陶瓷洁具有限公司 | Discharge conduit of toilet and toilet |
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| CN108331122A (en) | 2018-07-27 |
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