CN103882925A - Vacuum auxiliary toilet bowl with delayed air exhaust closing system - Google Patents
Vacuum auxiliary toilet bowl with delayed air exhaust closing system Download PDFInfo
- Publication number
- CN103882925A CN103882925A CN201410144508.9A CN201410144508A CN103882925A CN 103882925 A CN103882925 A CN 103882925A CN 201410144508 A CN201410144508 A CN 201410144508A CN 103882925 A CN103882925 A CN 103882925A
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- Prior art keywords
- storage part
- water
- water storage
- time
- keg float
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- 230000003111 delayed effect Effects 0.000 title abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 163
- 238000005406 washing Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 21
- 230000007423 decrease Effects 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 230000002459 sustained effect Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 238000003911 water pollution Methods 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 208000035473 Communicable disease Diseases 0.000 description 2
- 208000030852 Parasitic disease Diseases 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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Abstract
The invention discloses a vacuum auxiliary toilet bowl with a delayed air exhaust closing system. The toilet bowl comprises a toilet bowl base, a water tank, a washing pipeline, a vacuum source and the delayed air exhaust closing system, wherein the water tank is used for supplying water into the toilet bowl base at the beginning of washing, the washing pipeline is used for carrying water towards the downstream direction to a sewer, the vacuum source is exerted on a bend channel at the toilet bowl washing period, and the delayed air exhaust closing system is connected to a bend and used for controlling opening and closing of a vacuum source channel circularly. The vacuum auxiliary toilet bowl is characterized in that the delayed air exhaust closing system is in the opened state at the initial state of toilet bowl washing so that the pumping force of the vacuum source to the bend channel can be guaranteed, the delayed air exhaust closing system is in the closed state at the later period of toilet bowl washing so that the dirt can be prevented from entering the water tank, and the occurrence that due to the fact that the inlet valve siphoning is invalid, the dirt enters a water supply system is prevented. By means of the toilet bowl with the structure, water can be effectively saved, the water pollution caused by the fact that the dirt enters the water supply system is prevented, and the insufficient water seal caused by excessive siphoning is prevented.
Description
Technical field
The present invention relates to flush toilet, particularly a kind of vacuum assist toilet trap with time-delay drawing air to close closed system.
Background technology
Vacuum assist toilet trap, can strengthen siphon time, required pressure differential is used water still less to reach better scouring effect, and can not produce extra noise, always by professional person is researched and developed.But use vacuum-assisted to produce the toilet of larger siphon, owing to there being a vacuum need to be added in the process of washing away on toilet base discharging curved channel, will pollute like this thing and enter in water tank by vacuum passage, and then may enter in water supply line and pollute living water use.Liquid or solid feces all contain the pathogen of a large amount of foul smell and multiple enteric infectious disease and parasitic disease, if entered in water tank or water supply line, will produce the problems such as pollution.So use the flush toilet of vacuum-assisted, must address this problem.
The patent No. 95101429.3 discloses a kind of vacuum assist toilet trap with two stench traps, comprise a toilet outlet, it has a center line, the outlet of described toilet along it at least the length of half with a fixing predetermined cross section roughly, and there are upper bend and a lower bend, an and bend passage between two bends, one at the vacuum source being applied to during closestool flushing on bend passage, describe with the accompanying drawing of this patent thus known, it is all opening-wide state to the air flue two on described bend passage that vacuum source is provided, a large amount of foul smell that foregoing like this liquid or solid feces are contained and the pathogen of multiple enteric infectious disease and parasitic disease easily enter in water tank, and then enter in ventilating water pipe.
The and for example disclosed pressurization trap of the patent No. 200880020357.9 toilet, provides a kind of backflow preventing member, in normal toilet operating period, only has the water of low pressure in blowdown channel.But to exceed the pressure (about 10 centimeter water columns) that occurs between normal flush period too many if pressure increases to, as when the practical toilet plunger, the anti-sealing of the preventing member that refluxes so 120 and refuse are forced to upper inflow container 42 along conduit 90.This patent discloses a kind of pressure differential principle that adopts and has prevented that sewage from entering the method for water tank, its shortcoming is, only has and reaches after setting value (about 10 centimeter water columns) when pressure differential, and its backflow preventing member just can be closed, in the time that pressure differential sets value lower than this, opening opens wide.And during washing away normally, pressure differential is to reach setting value, so washing away in process normally, air transfer tube opens wide, so just inevitably have foul smell and pollutant enters in water tank.
In addition, adopt the flush toilet of vacuum-assisted, due to the existence of vacuum source, be easy to the water of upper trap to suck, cause water seal deficiency.
Summary of the invention
By toilet of the present invention, can solve above-mentioned shortcoming, thereby realize other advantage of describing.The present invention is by a time-delay drawing air to close closed system is set in the 3rd water storage part, can close vacuum source passage in the closestool flushing later stage and reach and prevent that foul smell and pollutant from entering water tank and preventing from inhaling and cause trap water seal deficiency.
Object of the present invention reaches by following technical solution:
A kind of vacuum assist toilet trap with time-delay drawing air to close closed system, flush toilet of the present invention, comprise a toilet base, water tank is in order to provide water to arrive in described toilet base starting of washing away, one carry water towards downstream direction to the pipeline that washes away of sewer, one at the vacuum source being applied to during closestool flushing on bend passage, and a time-delay drawing air to close closed system is connected on above-mentioned bend passage for controlling the opening and closing of vacuum source channel cycle.
Described water tank is divided into the first water storage part, the second water storage part, the 3rd water storage part, in described the first water storage part, be connected with a water intaking valve, in described the second water storage part, be connected with a draining valve, in described the 3rd water storage part, be connected with one described in time-delay drawing air to close closed system.
Described the first water storage part and the second water storage part bottom are communicated with, and described the second water storage part and described the 3rd water storage part bottom are communicated with, described the 3rd water storage part upper end closed.
Described time-delay drawing air to close closed system is by a main body, and a connecting rod, an interior keg float, a time delay one way valve, a sealing mat form.
Described time-delay drawing air to close closed system main body has a hollow tube, hollow tube and described toilet base bend channel connection, described main body also comprises the outer keg float of a bottom through-hole, described interior keg float is arranged in described outer keg float, described time delay one way valve is arranged in the bottom through-hole of described outer keg float, and described main body also includes pair of brackets, and described connecting rod is socketed on described support, described sealing mat is fixed on described connecting rod, and described connecting rod and described interior keg float are hinged.
Described connecting rod can rotate around described support, the motion in keg float outside of described interior keg float, described interior keg float can be in connecting rod relative sliding, described interior keg float and connecting rod are linked system, when interior keg float rises or declines, drivening rod rotates around support.
There is a sealing surface hollow tube upper end of described main body, and when interior keg float declines, drivening rod rotates around support, and the described sealing mat described sealing surface of fitting is realized sealing.
The first water storage part, the second water storage part, the 3rd water storage part and the outer keg float of described water tank have the highest identical water inlet water level, and the water level of the second water storage part and the 3rd water storage part is all the time in sustained height.
The second water storage part and the 3rd water storage part water level fast-descending of water tank described in start when draining, and water level decrease speed in outer keg float is slower than the water level decrease speed of the second water storage part and the 3rd water storage part, thus realize time-delay closing function.
The present invention contrasts prior art following remarkable advantage:
1. adopt time-delay drawing air to close closed system, control closing and opening of vacuum source passage service time, control accurate, reliable, stable;
2. adopt time-delay drawing air to close closed system, can close completely vacuum source passage, better prevent that foul smell and pollutant from entering water tank and water system;
3. adopt time-delay drawing air to close closed system, can control accurately vacuum source passage the closing of closestool flushing later stage, prevent that the water of trap from causing water seal deficiency owing to crossing to inhale.
Accompanying drawing explanation
Fig. 1 is partial cross-sectional perspective view of the present invention;
Fig. 2 is fragmentary sectional elevation view of the present invention;
Fig. 3 is water tank part stereogram of the present invention;
Stereogram when Fig. 4 is time-delay drawing air to close closed system air-passage opening of the present invention.
The specific embodiment
Now the present invention is further described with the specific embodiment by reference to the accompanying drawings.
Basic ideas of the present invention are to adopt time-delay drawing air to close closed system, realize the accurate control of vacuum source being made to wash away at every turn more reliable and stable, prevent that foul smell and pollutant from entering water tank, and prevent from inhaling owing to crossing the water seal deficiency causing.
Shown in figure 1,2,3,4, the vacuum assist toilet trap 10 with time-delay drawing air to close closed system of the present embodiment, comprise a toilet base 11, water tank 12 is in order to provide water to arrive in described toilet base 11 starting of washing away, one carry water towards downstream direction wash away pipeline 30 to sewer, one at the vacuum source being applied to during closestool flushing on bend passage 31, and a time-delay drawing air to close closed system 20 is for controlling the opening and closing of vacuum source.
Described water tank 12 is divided into the first water storage part 22, the second water storage part 23 and the 3rd water storage part 24 by the first dividing plate 19 and second partition 16, the reserved certain altitude in described the first dividing plate 19 bottoms is communicated with the bottom of the 3rd water storage part 24 and the second water storage part 23 and this reservedly highly makes the water level in two water districts synchronously to decline and to rise, the described predetermined waterline 26 in second partition 16 bottoms has and is provided with some through holes 15, and the second water storage part 23 and the first water storage part 22 are communicated with for 26 times at predetermined waterline.Described water tank 12 is provided with a tank lid 13, on described tank lid 13 inwalls along the 3rd water storage part 24 enclose the top of each and be provided with a circle sealing mat 21, described tank lid 13 compresses described sealing mat 21 under Action of Gravity Field, the 3rd described water storage part 24 is formed to sealing area, to described vacuum source is provided during washing away, the 3rd described water storage part 24 is structure wide at the top and narrow at the bottom, water in pond can be poured rapidly in toilet pond during washing away, the guaranteed water level different height that declines can both provide stable vacuum source.One time-delay drawing air to close closed system 20 is installed in the 3rd described water storage part 24.
As shown in Figure 3, applicant has provided a system with time-delay closing vacuum source function, described time-delay drawing air to close closed system 20 is connected by main body 201 lower ends and water tank 12, described main body 201 has a hollow tube 2011, on hollow tube 2011 and described toilet, bend passage 31 is communicated with, described main body 201 also comprises the outer keg float 2012 of a bottom through-hole, one interior keg float 202 is arranged in described outer keg float 2012, and can rely on buoyancy of water in keg float, to fluctuate outside, one time delay one way valve 203 is arranged in the bottom through-hole of described outer keg float, described time delay one way valve relies on moving up and down of water, control the velocity of discharge of described outer keg float 2012 interior water, described main body also includes pair of brackets 2013, one connecting rod 204 one end are socketed on described support 2013 and can rotate around described support 2013, one sealing mat 205 is fixed on described connecting rod 204, described connecting rod 204 other ends and described interior keg float 202 are hinged.
Wash away the circulation beginning initial stage or wash away while not starting at one, the first water storage part 22 in described water tank, the second water storage part 23, the 3rd water storage part 24 water levels all reach predetermined waterline 26, now, time delay one way valve 203 relies on buoyancy to fit in outer keg float 2012 bottoms, in outer keg float 2012, be full of water, interior keg float 202 is because buoyancy is in float state, and interior keg float 202 promotes connecting rod 204 and rotates around support 2013, and vacuum passage is in open mode.In the time that the waterline 26 in the 3rd water storage part 24 declines, waterline in outer keg float 2012 can't be followed decline immediately, only have waterline 26 to drop to certain altitude, when the buoyancy now providing is not enough to support time delay one way valve 203, time delay one way valve 203 relies on self gravitation to fall, now time delay one way valve 203 is opened, water slow decreasing in outer keg float 2012 final all discharges, simultaneously interior keg float 202 slowly loss of buoyance also starts to decline, because having driven connecting rod 204, the decline of interior keg float 202 rotates backward around support 2013, and finally realize sealing mat 205 and sealing surface 20111 is fitted, vacuum passage is closed.Applicant shows by test, vacuum source passage after starting to wash away, need time delay 1-2 close second to guarantee negative pressure of vacuum can not weaken and also toilet in contents can not enter in water tank.
The working method of the vacuum assist toilet trap with time-delay drawing air to close closed system of the present invention is: a conventional water intaking valve 14 is installed in the first described water storage part 22, the water of water supply line injects the first water storage part 22 by this water intaking valve 14, the through hole 15 arranging by described second partition 16 bottoms injects the second water storage part 23, be injected into the 3rd water storage part 24 by the first described reserved height in dividing plate 19 bottoms again, until the water surface reaches predetermined waterline 26.A conventional draining valve assembly 17 is installed in the second described water storage part 23, in the time that draining valve assembly 17 is driven, the water in the second water storage part 23 and the 3rd water storage part 24 in water tank 12 carries over water outlet that the inner circumference in toilet pond 28 is embedded and discharges rapidly and flow into bowl water pond 28 and form certain scouring force.At this moment, the waterline 26 in the second water storage part 23 and the 3rd water storage part 24 in water tank 12 starts to decline rapidly, now produces a vacuum source on the top of the 3rd water storage part 24 of sealing.On bend passage 31, be connected to an air duct 25, this air duct 25 is connected with the lower nozzle of the hollow tube 2011 in described the 3rd water storage part 24, make vacuum source lead to again described bend passage 31 by this hollow tube 2011 and air duct 25, to a negative pressure of vacuum is provided during washing away.Under the double action of the gravitational difference producing due to this negative pressure of vacuum and toilet pond middle water level height, produce better siphon effect, assist to extract out the contents in toilet.Simultaneously, when the waterline 26 of the 3rd water storage part 24 drops to while being not enough to support time delay one way valve 203, time delay one way valve 203 relies on Action of Gravity Field to move downward, at this moment the water slow decreasing in outer keg float 2012, simultaneously along with the water slow decreasing in outer keg float 2012, interior keg float 202 loss of buoyance are also followed slow decreasing, and connecting rod 204 also and then rotates backward around support 2013 like this, and finally sealed pad 205 fits in the sealing surface 20111 of hollow tube.Vacuum assist toilet trap with time-delay drawing air to close closed system of the present invention utilizes secondary vacuum source to reduce water supply volume necessary in washing away, and obtains an effectively better scouring effect, and contents nearly all in toilet pond are excluded.In the time having solid waste to exist, only wash away at every turn and to need to use the water of about 3 liters, this is still there is no the half of the required water of toilet of vacuum-assisted with identical design.
Therefore, the vacuum assist toilet trap with time-delay drawing air to close closed system of the present invention has not only been realized the function of original vacuum assist toilet trap, and even effect is better.Topmost, the present invention uses time-delay drawing air to close closed system 20 to close vacuum source passage in the closestool flushing later stage to reach and prevent that foul smell and pollutant from entering water tank and preventing from inhaling and cause trap water seal deficiency.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (9)
1. the vacuum assist toilet trap with time-delay drawing air to close closed system, flush toilet of the present invention, comprise a toilet base, water tank is in order to provide water to arrive in described toilet base starting of washing away, one carry water towards downstream direction to the pipeline that washes away of sewer, one at the vacuum source being applied to during closestool flushing on bend passage, and a time-delay drawing air to close closed system is connected on above-mentioned bend passage for controlling the opening and closing of vacuum source channel cycle.
2. a kind of vacuum assist toilet trap with time-delay drawing air to close closed system according to claim 1, it is characterized in that: described water tank is divided into the first water storage part, the second water storage part, the 3rd water storage part, in described the first water storage part, be connected with a water intaking valve, in described the second water storage part, be connected with a draining valve, in described the 3rd water storage part, be connected with one described in time-delay drawing air to close closed system.
3. a kind of vacuum assist toilet trap with time-delay drawing air to close closed system according to claim 2, it is characterized in that: described the first water storage part and the second water storage part bottom are communicated with, described the second water storage part and described the 3rd water storage part bottom are communicated with, described the 3rd water storage part upper end closed.
4. according to a kind of vacuum assist toilet trap with time-delay drawing air to close closed system described in claim 1 and 2, it is characterized in that: described time-delay drawing air to close closed system is by a main body, and a connecting rod, an interior keg float, a time delay one way valve, a sealing mat form.
5. a kind of vacuum assist toilet trap with time-delay drawing air to close closed system according to claim 4, it is characterized in that: described time-delay drawing air to close closed system main body has a hollow tube, hollow tube and described toilet base bend channel connection, described main body also comprises the outer keg float of a bottom through-hole, described interior keg float is arranged in described outer keg float, described time delay one way valve is arranged in the bottom through-hole of described outer keg float, described main body also includes pair of brackets, described connecting rod is socketed on described support, described sealing mat is fixed on described connecting rod, described connecting rod and described interior keg float are hinged.
6. according to a kind of vacuum assist toilet trap with time-delay drawing air to close closed system described in claim 1,2,4 or 5, it is characterized in that: described connecting rod can rotate around described support, described interior keg float moves in keg float outside, described interior keg float can be in connecting rod relative sliding, described interior keg float and connecting rod are linked system, and when interior keg float rises or declines, drivening rod rotates around support.
7. according to a kind of vacuum assist toilet trap with time-delay drawing air to close closed system described in claim 1,2,4,5 or 6, it is characterized in that: there is a sealing surface hollow tube upper end of described main body, when interior keg float declines, drivening rod rotates around support, and the described sealing mat described sealing surface of fitting is realized sealing.
8. according to arbitrary described a kind of vacuum assist toilet trap with time-delay drawing air to close closed system in claim 1 to 7, it is characterized in that: the first water storage part, the second water storage part, the 3rd water storage part and the outer keg float of described water tank have the highest identical water inlet water level, and the water level of the second water storage part and the 3rd water storage part is all the time in sustained height.
9. a kind of vacuum assist toilet trap with time-delay drawing air to close closed system according to claim 8, it is characterized in that: the second water storage part and the 3rd water storage part water level fast-descending of water tank described in the time starting draining, and water level decrease speed in outer keg float is slower than the water level decrease speed of the second water storage part and the 3rd water storage part, thereby realize time-delay closing function.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810816666.2A CN108842878B (en) | 2014-04-11 | 2014-04-11 | Vacuum-assisted flush toilet |
| CN201410144508.9A CN103882925B (en) | 2014-04-11 | 2014-04-11 | A kind of vacuum assist toilet trap closing system with time-delay drawing air to close |
| CN201810816678.5A CN108842879B (en) | 2014-04-11 | 2014-04-11 | Water closet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410144508.9A CN103882925B (en) | 2014-04-11 | 2014-04-11 | A kind of vacuum assist toilet trap closing system with time-delay drawing air to close |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810816666.2A Division CN108842878B (en) | 2014-04-11 | 2014-04-11 | Vacuum-assisted flush toilet |
| CN201810816678.5A Division CN108842879B (en) | 2014-04-11 | 2014-04-11 | Water closet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103882925A true CN103882925A (en) | 2014-06-25 |
| CN103882925B CN103882925B (en) | 2018-09-28 |
Family
ID=50952026
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810816666.2A Active CN108842878B (en) | 2014-04-11 | 2014-04-11 | Vacuum-assisted flush toilet |
| CN201410144508.9A Expired - Fee Related CN103882925B (en) | 2014-04-11 | 2014-04-11 | A kind of vacuum assist toilet trap closing system with time-delay drawing air to close |
| CN201810816678.5A Active CN108842879B (en) | 2014-04-11 | 2014-04-11 | Water closet |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810816666.2A Active CN108842878B (en) | 2014-04-11 | 2014-04-11 | Vacuum-assisted flush toilet |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810816678.5A Active CN108842879B (en) | 2014-04-11 | 2014-04-11 | Water closet |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108842878B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436864A (en) * | 2016-07-20 | 2017-02-22 | 张如胜 | Siphon-type closestool and pressure generation device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206111B (en) * | 2019-06-25 | 2021-02-26 | 陈益民 | Life sewage discharging device |
| CN110409575B (en) * | 2019-07-03 | 2023-09-08 | 厦门优胜卫厨科技有限公司 | Toilet flushing mechanism and flushing control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5142712A (en) * | 1990-11-26 | 1992-09-01 | Fluidmaster, Inc. | Vacuum assisted toilet |
| WO1996010118A1 (en) * | 1994-09-28 | 1996-04-04 | Medway Engineering Limited | Vacuum assisted toilet flushing system |
| CN102296687A (en) * | 2011-07-21 | 2011-12-28 | 林文斌 | Vacuum assisted flush toilet |
| CN202202388U (en) * | 2011-06-16 | 2012-04-25 | 林文斌 | Water-tank-sealed vacuum auxiliary water closet |
| CN102979148A (en) * | 2012-09-22 | 2013-03-20 | 虞君道 | Draining, air-exhausting and water-saving system of closestool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0436357B1 (en) * | 1990-01-02 | 1994-09-21 | Metra Oy AB | Vacuum sewer arrangement |
| CN2504329Y (en) * | 2001-03-20 | 2002-08-07 | 刘小波 | Negative pressure feedback water saving toilet |
| JP2004100182A (en) * | 2002-09-06 | 2004-04-02 | Toto Ltd | Flush water supply device for flush toilet |
| CN101424095B (en) * | 2008-05-16 | 2010-11-17 | 王可威 | Toilet without cistern |
| CN201305904Y (en) * | 2008-10-23 | 2009-09-09 | 张健春 | Negative pressure flush cleaning type toilet device |
| CN201933588U (en) * | 2011-01-07 | 2011-08-17 | 厦门瑞尔特卫浴工业有限公司 | Getter device for enhancing negative pressure of toilet siphon |
| CN202595880U (en) * | 2012-02-24 | 2012-12-12 | 科斯特(厦门)节水设备有限公司 | Negative-pressure water-sealing deodorization device for toilet bowl |
| CN202482957U (en) * | 2012-03-06 | 2012-10-10 | 林文斌 | Check valve capable of controlling water inlet valve to output water in delayed mode |
| CN102828549A (en) * | 2012-07-31 | 2012-12-19 | 虞君道 | Suction toilet stool |
-
2014
- 2014-04-11 CN CN201810816666.2A patent/CN108842878B/en active Active
- 2014-04-11 CN CN201410144508.9A patent/CN103882925B/en not_active Expired - Fee Related
- 2014-04-11 CN CN201810816678.5A patent/CN108842879B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5142712A (en) * | 1990-11-26 | 1992-09-01 | Fluidmaster, Inc. | Vacuum assisted toilet |
| WO1996010118A1 (en) * | 1994-09-28 | 1996-04-04 | Medway Engineering Limited | Vacuum assisted toilet flushing system |
| CN202202388U (en) * | 2011-06-16 | 2012-04-25 | 林文斌 | Water-tank-sealed vacuum auxiliary water closet |
| CN102296687A (en) * | 2011-07-21 | 2011-12-28 | 林文斌 | Vacuum assisted flush toilet |
| CN102979148A (en) * | 2012-09-22 | 2013-03-20 | 虞君道 | Draining, air-exhausting and water-saving system of closestool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436864A (en) * | 2016-07-20 | 2017-02-22 | 张如胜 | Siphon-type closestool and pressure generation device |
| CN106436864B (en) * | 2016-07-20 | 2019-05-03 | 张如胜 | A kind of siphonage-toilet and pressure-generating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108842879B (en) | 2020-07-24 |
| CN103882925B (en) | 2018-09-28 |
| CN108842878A (en) | 2018-11-20 |
| CN108842879A (en) | 2018-11-20 |
| CN108842878B (en) | 2020-04-21 |
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