CN201031420Y - Regorge prevention one-way discharging devcie - Google Patents
Regorge prevention one-way discharging devcie Download PDFInfo
- Publication number
- CN201031420Y CN201031420Y CNU2007201186395U CN200720118639U CN201031420Y CN 201031420 Y CN201031420 Y CN 201031420Y CN U2007201186395 U CNU2007201186395 U CN U2007201186395U CN 200720118639 U CN200720118639 U CN 200720118639U CN 201031420 Y CN201031420 Y CN 201031420Y
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- CN
- China
- Prior art keywords
- sealed valve
- shell
- drain means
- import
- unidirectional drain
- Prior art date
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Abstract
The utility model discloses a unidirectional drainage device of refluence resistance, comprising a shell and a seal valve; thereof the shell is provided with an inlet and an outlet. One end of the seal valve is connected with the inside of the shell movably and the other end butts against the inside, inclining towards the direction away from the end surface of the inlet. After the structure is adopted, because the seal valve is arranged slantways, the gravity of the seal valve produces a horizontal force component which ensures that the seal valve seals the inlet credibly when without the liquid impulsive force of water and air current and the back flow of liquid. When the drainage is normal, the seal veal opens automatically. Consequently, the utility model prevents the back flow of sewage and exhaust gas or the invasion of noxious bacteria and vermin, especially the infective virus of SARS, bird flu and others. The utility model has also the advantages of simple structure, stable function and not reliable to be influenced by the external factors.
Description
Technical field
The utility model relates to a kind of unidirectional drain means, relates in particular to single slope drainage or exhaust plant that a kind of bilge water resisting or waste gas flow backwards.
Background technology
Drain means is the product of being familiar with very much in people's daily life, and it mainly is used in the drainage in various mansions, the building, especially in the water pipe junction and exhaust system in the toilet bowl drainage, passes through for sewage or waste gas.Early stage drain means does not have the function of anti counter-flowing, and simple sewage or waste gas circulation effect only are provided.This has caused a lot of problems: at first, will cause dirty thing of sewage or waste gas to be entered the room from the drain means refluence in case silting up appears in drainage, cause the pollution in room; Secondly, drainage port to the position between the drainage is very easy to grow mosquito and bacterium, because without any these mosquitoes of seal approach and bacterium, even mouse and snake all might be by in the drain means inlet chambers, thereby people's life is brought great influence.
In recent years, the unidirectional drain means that has occurred a kind of anti counter-flowing on the market, it comprises shell, pair of magnet and sealed valve, wherein, offer import and outlet on the shell, one end of sealed valve is movably connected in the inside of shell by axle, and parallels with inlet end face, and whole valve can rotate around this end.Because sealed valve is that the mode that parallels with inlet end face is provided with, also can seal up import when making it in off position, pair of magnet must be set.The link that described pair of magnet is separately positioned on sealed valve reaches on the position relative with this link with enclosure.This product is a function of utilizing the magnet same sex is repelled each other, there is a natural attraction between the sexes characteristic and lever principle to realize anti counter-flowing.During installation, take all factors into consideration the impulse force that produces when sewage or waste gas are discharged, the size of magnet magnetic force, set the suitable arm of force respectively.When anhydrous or state that air communication is crossed, because adhesive mutually between the magnet, closing valve closes; When current or air-flow were gone out, because the moment that the impulse force of fluid produces is greater than the moment that magnetic force produces, closing valve just can smooth opening; After current drainage finishes, the suction-combining force between magnet will make closing valve automatically revert to the state of closing.This product can play the foul smell, sewage and other hazardous substances that stop in the sewer and pour in down a chimney into indoor, thereby keeps sanitation and hygiene within doors.
But, the defective of this product also is tangible, because it has adopted magnet as component, and the magnetic of magnet is the key of anti counter-flowing function quality, exist and usually have the adsorbable foreign material on magnet of iron filings or other in daily sewage or the exhaust gas discharging, time one is long, and along with increasing of attachment, the magnetic force that magnet can produce will reduce gradually; And, the magnetic force of magnet As time goes on, add washing away of current or air-flow, also can slowly weaken, this all will directly influence the realization of anti counter-flowing function; In addition, this product is had relatively high expectations to installation accuracy, in case the angle of slope reaches more than 15 degree, valve gravity component in the horizontal direction will be greater than the magnetic force of magnet, thereby cause seal failure, and then sewage or waste gas flow backwards.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of unidirectional drain means, not only has the function of good anti counter-flowing, and simple in structure, function-stable, is not subject to the influence of extraneous factor.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of unidirectional drain means of anti counter-flowing is provided, and it comprises shell and sealed valve, wherein, offer import and outlet on the shell, one end of sealed valve is movably connected in the inside of shell, and the other end then is resisted against enclosure, and tilts to the direction away from inlet end face.
Adopt after such structure, because sealed valve is obliquely installed, the gravity of itself will produce the component of a horizontal direction, so just can guarantee when not having the fluid impulse force or fluid when pouring in down a chimney, and sealed valve all will seal import reliably; And sealed valve just can be opened automatically during normal drainage, thereby effectively prevents sewage, the intrusion of waste gas refluence or harmful bacteria, insect.Particularly, the utility model being used for foul drainage system can effectively prevent in the viral inlet chamber of SARS (SARS pneumonia); And when the utility model is used for the exhaust system of smoke exhaust ventilator, also have the effect that prevents avian influenza virus, because poultry is liked having a rest at the pipeline opening place mostly, its avian influenza virus that carries is just infected the people in the pipeline inlet chamber probably.In addition, because what utilize is the switching that the impulse force of the gravity of sealed valve self and fluid is controlled sealed valve, thereby the utility model also has simple in structure, easy to maintenance, function-stable is not subject to the advantages such as influence of extraneous factor.
Also be provided with carriage in the described shell, described sealed valve is movably connected on this carriage.
Described shell also is provided with sealing frame on the interior position relative with carriage, and described sealed valve is resisted against on the sealing frame.
Described sealed valve also is provided with block on the end face of import.
Described sealing frame is the inclined-plane with certain inclination angle away from the end face of import, and the sealing frame can close applying by this inclined-plane and described sealed valve.To make that like this sealing effectiveness of the present utility model is better.
On described sealed valve, also be provided with counterweight.It is more flexible, convenient that this allows the utility model use.
Described counterweight is arranged on the end face of sealed valve away from import.
Also be provided with draw ring at described sealed valve on away from the end face of import.This will provide convenience to maintenance.
This unidirectional drain means upper end also is provided with service cover.This will further facilitate maintenance work.
Described shell upper also is provided with exhaust opening.When the utility model is used as water trap, can simultaneously waste gas in time be discharged, this will make draining more smooth and easy.
Description of drawings
The utility model is described in further detail to reach the specific embodiment below with reference to the accompanying drawings.
Fig. 1 is the structural representation of the utility model one preferred embodiment;
Fig. 2 is the work schematic diagram that is in the current drainage state embodiment illustrated in fig. 1.
The specific embodiment
The unidirectional drain means of anti counter-flowing as depicted in figs. 1 and 2, it comprises shell 1 and sealed valve 2.
Shell 1 is L-shaped, offers orthogonal import 11 in axis and outlet 12 on the two ends of this shell 1.The upper end of sealed valve 2 is movably connected in the inside of shell 1, and the lower end then is tilted to the left, and promptly tilts to the direction away from import 11 end faces.During concrete enforcement, the angle that sealed valve 2 tilts, the size of corresponding current or air-flow impulse force and sealed valve 2 factors such as weight own are determined in the time of taking all factors into consideration normal draining or exhaust.Like this, because sealed valve 2 is obliquely installed, the gravity of itself will produce the component of a horizontal direction, so just can guarantee when not having the fluid impulse force or fluid when pouring in down a chimney, and sealed valve 2 all will seal import 11 reliably; And in case when having current or air-flow to go out sealed valve 2 just can open automatically, thereby effectively prevent the intrusion of sewage refluence or harmful bacteria and insect.
As shown in Figure 1, the position also is set with a carriage 13 above described shell 1 inside, is equipped with an axle 131 on this carriage 13, and described sealed valve 2 is movably connected on the axle 131.Also be provided with sealing frame 14 on the position relative with carriage 13 in the described shell 1, described sealed valve 2 is resisted against on the sealing frame 14, the space of a sealing of formation.During concrete enforcement, described sealing frame 14 is separately behind the processing and fabricating, be installed in the import position in the shell 1 again, and described sealing frame 14 can be processed into the inclined-plane with certain inclination angle away from the end face of import 11, make sealing frame 14 close applying, will make that like this sealing effectiveness of the present utility model is better by this inclined-plane and described sealed valve 2.In addition, also can on the end face of import 11, block 21 be set at described sealed valve 2.
Also be provided with counterweight 22 on described sealed valve 2, the size of counterweight 22 can be selected as required, and in the present embodiment, this counterweight 22 is arranged on the end of sealed valve 2 away from axle 131, and is positioned on the end face away from import 11.Can make that like this scope of application of the present utility model is wider.
For convenience the utility model is repaired or replaced, also be provided with service cover 15 in unidirectional drain means upper end, this service cover 15 is by being threaded in the top of shell 1, with for convenience detach.During concrete enforcement, can also set up rubber ring, make that like this service cover 15 is more firm with being connected of shell 1, sealing effectiveness is also better.In addition, in order to make when maintenance dismounting sealed valve 2 more easily, also be provided with draw ring 23 on away from the end face of import 11 at described sealed valve 2.Like this, during maintenance, open service cover 15 backs and just can dismantle sealed valve 2 easily by this draw ring 23.
In addition, when the utility model uses as water trap, in order to make draining become more smooth and easy, see also Fig. 1, can also set up an exhaust opening 16 on the top of shell 1, can plug into mutually with exhaust system easily like this, in draining, can simultaneously the waste gas that mixes in the sewage in time be discharged, make sewage emissions more smooth and easy.During concrete enforcement, also can on exhaust opening 16, set up an end cap 161, under the occasion that does not need exhaust, it can be covered exhaust opening 16.
Claims (10)
1. the unidirectional drain means of an anti counter-flowing, it comprises shell and sealed valve, wherein, offer import and outlet on the shell, one end of sealed valve is movably connected in the inside of shell, it is characterized in that: the other end of described sealed valve is resisted against enclosure, and tilts to the direction away from inlet end face.
2. the unidirectional drain means of anti counter-flowing according to claim 1, it is characterized in that: also be provided with carriage in the described shell, described sealed valve is movably connected on this carriage.
3. the unidirectional drain means of anti counter-flowing according to claim 1 and 2 is characterized in that: also be provided with sealing frame on the position relative with carriage in the described shell, described sealed valve is resisted against on the sealing frame.
4. the unidirectional drain means of anti counter-flowing according to claim 3, it is characterized in that: described sealed valve also is provided with block on the end face of import.
5. the unidirectional drain means of anti counter-flowing according to claim 4, it is characterized in that: described sealing frame is the inclined-plane with certain inclination angle away from the end face of import, and the sealing frame closes applying by this inclined-plane and described sealed valve.
6. the unidirectional drain means of anti counter-flowing according to claim 1 and 2 is characterized in that: also be provided with counterweight on described sealed valve.
7. the unidirectional drain means of anti counter-flowing according to claim 6, it is characterized in that: described counterweight is arranged on the end face of sealed valve away from import.
8. the unidirectional drain means of anti counter-flowing according to claim 1 and 2 is characterized in that: also be provided with draw ring at described sealed valve on away from the end face of import.
9. the unidirectional drain means of anti counter-flowing according to claim 1 and 2 is characterized in that: also be provided with service cover on this unidirectional drain means.
10. the unidirectional drain means of anti counter-flowing according to claim 9, it is characterized in that: described shell upper also is provided with exhaust opening.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201186395U CN201031420Y (en) | 2007-02-09 | 2007-02-09 | Regorge prevention one-way discharging devcie |
| HK07106941A HK1101020A2 (en) | 2007-02-09 | 2007-06-28 | An anti-back flow device by means of single flow design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201186395U CN201031420Y (en) | 2007-02-09 | 2007-02-09 | Regorge prevention one-way discharging devcie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201031420Y true CN201031420Y (en) | 2008-03-05 |
Family
ID=38556661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201186395U Expired - Fee Related CN201031420Y (en) | 2007-02-09 | 2007-02-09 | Regorge prevention one-way discharging devcie |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201031420Y (en) |
| HK (1) | HK1101020A2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260686B (en) * | 2008-04-18 | 2010-06-09 | 天津智川恒博科技发展有限公司 | Membrane type sealed residual liquor-free drain plugging device |
| CN105333452A (en) * | 2014-08-14 | 2016-02-17 | 中山市健泰实业有限公司 | Magnetic backflow-preventing device |
| CN105370928A (en) * | 2014-09-01 | 2016-03-02 | 苏州志峰塑料制品有限公司 | Silencing/insect preventing valve used for indoor air conditioner |
| CN109778985A (en) * | 2019-03-20 | 2019-05-21 | 上海众鑫建筑设计研究院有限公司 | A kind of novel indirect drainage accessory |
-
2007
- 2007-02-09 CN CNU2007201186395U patent/CN201031420Y/en not_active Expired - Fee Related
- 2007-06-28 HK HK07106941A patent/HK1101020A2/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260686B (en) * | 2008-04-18 | 2010-06-09 | 天津智川恒博科技发展有限公司 | Membrane type sealed residual liquor-free drain plugging device |
| CN105333452A (en) * | 2014-08-14 | 2016-02-17 | 中山市健泰实业有限公司 | Magnetic backflow-preventing device |
| CN105370928A (en) * | 2014-09-01 | 2016-03-02 | 苏州志峰塑料制品有限公司 | Silencing/insect preventing valve used for indoor air conditioner |
| CN109778985A (en) * | 2019-03-20 | 2019-05-21 | 上海众鑫建筑设计研究院有限公司 | A kind of novel indirect drainage accessory |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1101020A2 (en) | 2007-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080305 Termination date: 20120209 |