CN201080632Y - Water drainage gas-separation device for preventing gas reverse flowing - Google Patents
Water drainage gas-separation device for preventing gas reverse flowing Download PDFInfo
- Publication number
- CN201080632Y CN201080632Y CNU2007201208869U CN200720120886U CN201080632Y CN 201080632 Y CN201080632 Y CN 201080632Y CN U2007201208869 U CNU2007201208869 U CN U2007201208869U CN 200720120886 U CN200720120886 U CN 200720120886U CN 201080632 Y CN201080632 Y CN 201080632Y
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- CN
- China
- Prior art keywords
- draining
- gas
- trapping tube
- float valve
- prevents
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- Expired - Fee Related
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Abstract
The utility model is applicable to a drainage gas-separation device and provides a drainage gas-separation device which prevents exhaust gas or the gas containing bacteria or poisonous gas from flowing backwards, comprising a water inlet pipe, a drainage gas-separation cylinder and a water outlet pipe. The drainage gas-separation cylinder is provided with a water outlet; the lower end of the drainage gas-separation cylinder is connected with the water inlet pipe; the water outlet is connected with the water outlet pipe; the drainage gas-separation cylinder also comprises a float valve which is in the drainage gas-separation cylinder; the diameter of the float valve is bigger than that of the lower part of the drainage gas-separation cylinder; when the drainage gas-separation cylinder has no water inside, the float valve is sealed and buckled at the lower part of the drainage gas-separation cylinder. The utility model has simple structure, which realizes double protection of backward gas flowing, preventing the exhaust gas, the gas containing bacteria or poisonous gas from flowing backwards.
Description
Technical field
The utility model relates to the draining odour seal, relates in particular to a kind of draining odour seal that prevents waste gas or contain bacterium, poisonous gas refluence.
Background technology
Along with people more and more pay attention to the living environment details, as the installation of household, the reasonable scientific design of lifestyle device etc. are more and more paid close attention to, in the building that people live, dewatering installation is an imperative equipment in the daily life, other current drainage effect such as its leading people's living water use.If no good odour seal in the drainage pipe, gas will flow backwards, and people then can smell the waste gas that transmits from the drain means opening part, draw these waste gas the people is felt not quite the thing.
Present having prevents that the dewatering installation design that gas flows backwards from being the U type, when draining finishes,, water is arranged so can accumulate at place, U type pipe bottom because this dewatering installation is the U type, at this moment the water seal of Xing Chenging has then been played and has been prevented that waste gas from flowing to the entrance from the exit, thereby flows into indoor.Yet, after the ponding at this dewatering installation U type place is being subjected to big vast suction effect or is being subjected to thermal evaporation, so the waste gas in exit or contain bacterium, poisonous gas then be easy to pass indoor, thereby pollute room air, cause the pollution of people's living environment, health of people is threatened.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of draining odour seal that prevents that gas from flowing backwards, and is intended to solve the problem that the dewatering installation that exists in the prior art can not prevent well that gas from flowing backwards.
The utility model is to realize like this, a kind of draining odour seal that prevents that gas from flowing backwards, comprise an oral siphon, a draining trapping tube and an outlet pipe, described draining trapping tube is provided with a delivery port, described draining trapping tube lower end is connected with oral siphon, and its delivery port place then is connected with outlet pipe, and described draining odour seal also comprises a float valve, described float valve is positioned at described draining trapping tube, and the diameter of described float valve is greater than the diameter of draining trapping tube bottom; Under the anhydrous situation, described float valve sealed clamping cleat is located at the bottom of draining trapping tube in described draining trapping tube.
A kind of draining trapping tube, it is provided with a water inlet and a delivery port, and described draining trapping tube also comprises a float valve, and described float valve is positioned at described draining trapping tube, and the diameter of described float valve is greater than the diameter of draining trapping tube bottom; Under the anhydrous situation, described float valve sealed clamping cleat is located at the bottom of draining trapping tube in described draining trapping tube.
In the utility model, in drainage procedure, float valve is to float by buoyancy of water to allow water unobstructedly naturally pass through its draining trapping tube and outlet pipe, and is discharged to outdoor total sewage drainage pipeline.When not draining,, be used to stop gas to return indoor from outdoor refluence because draining odour seal bottom is accumulated certain moisture content is arranged.When the moisture content in the draining odour seal constantly evaporates when dry fully, because float valve has certain gravity, and the diameter of float valve is greater than the diameter of draining trapping tube bottom, the float valve sealed clamping cleat is located at the bottom of this draining trapping tube, thus prevent waste gas or contain bacterium, poisonous gas flows backward to indoor.Yet when running under the situation that gas flows backwards, gas pressure is big more, and float valve can be got over the bottom that sealed clamping cleat closely is located at draining trapping tube owing to the compacting of gas pressure.The utility model is not only simple in structure, and this design has accomplished that duplicate protection gas flows backwards.
Description of drawings
Fig. 1 is the integral perspective schematic diagram that prevents the draining odour seal that gas flows backwards that the utility model provides.
Fig. 2 is the cross-sectional schematic of the draining trapping barrel structure that provides of the utility model.
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1 and Fig. 2, Fig. 1 shows the draining odour seal that prevents the gas refluence that the utility model embodiment provides.This draining odour seal is the U type, and it comprises an oral siphon 1, an outlet pipe 2, a draining trapping tube 3 and a float valve 4.
Described oral siphon 1 is connected with draining trapping tube 3, form the U type, the two can realize connecting by threaded connection 5, on the outer wall of oral siphon 1 and draining trapping tube 3 connecting portions screw thread is set respectively, by threaded connection 5 oral siphon 1 and draining trapping tube 3 sealing and fixing is in the same place again.Certainly, this oral siphon 1 and draining trapping tube 3 also can be one-body molded.
Described draining trapping tube 3 is connected with outlet pipe 2, on draining trapping tube 3 positions that are connected with outlet pipe 2, be provided with a delivery port, outlet pipe 2 is fixed on the delivery port wall on every side of draining trapping tube 3, and install in the opening mode of being inclined upwardly, this draining trapping tube 3 can be formed in one with outlet pipe 2, also can connect by fluid sealant to be one.
The bottom of described draining trapping tube 3 is funnel-form, and the bore of its underpart from top to bottom diminishes gradually, and the lower diameter of this draining trapping tube 3 is less than its upper diameter.Under the anhydrous situation, described float valve 4 sealed clamping cleats are located at the bottom of this draining trapping tube 3 in draining trapping tube 3.
Described float valve 4 is circular spheroid, and this spheroid can be made into hollow or solid, and available plastics or metal are made, and the external surface of float valve 4 is a shiny surface, and its diameter is greater than the diameter of draining trapping tube 3 bottoms.The design of the weight of float valve 4 meets: in draining or when static, buoyancy of water can hold up float valve 4, and after moisture content was subjected to the flood suction effect of positive negative pressure or is subjected to thermal evaporation, float valve 4 can be owing to the gravity of self, and the bottom of falling back to draining trapping tube 3, sealed clamping cleat is located at the bottom of this draining trapping tube 3.Yet when running under the situation that gas flows backwards, gas pressure is big more, and float valve 4 can be got over the bottom that sealed clamping cleat closely is located at draining trapping tube 3 owing to the compacting of gas pressure.
Be provided with a service cover 6 in the upper end of described draining trapping tube 3, when needs cleanings in drainage procedure draining trapping tube 3 in the foreign material of deposition and the grains of sand or the hyperphoric float valve 4 of needs or need safeguard float valve 4 etc., all can freely dismantle this service cover 6, draining trapping tube 3 inside are handled.
The delivery port place that is connected with outlet pipe 2 at draining trapping tube 3 is provided with retention device 7, this retention device 7 can extend to form catch to the center by outlet pipe 2 sidewalls, when draining, when impulsive force rushes at the delivery port place of draining trapping tube 3 with float valve 4, because this place is provided with retention device 7, thereby can not make float valve 4 block delivery port and can't draining, perhaps can not rush in the outlet pipe 2, thereby flow to extraneous owing to impulsive force makes float valve 4.
When normal draining operates, water flows in the lower end cylindrical shell of draining trapping tube 3 from the inlet of oral siphon 1 upper end, when water accumulates to certain altitude within it, impulsive force promotes float valve 4 and moves up, when float valve 4 moves up or is unsteady, water then flows in the outlet pipe 2 from the delivery port of draining trapping tube 3, and is discharged into the sewage drainage pipeline.When draining, the high energy of float valve 4 floats to the above position of delivery port.Yet, in drainage procedure, float valve 4 might float to the delivery port place of draining trapping tube 3, but because the delivery port place of draining trapping tube 3 is provided with retention device 7, thereby can not make float valve 4 block delivery port and can't draining, or go out outlet pipe 2 flow to extraneous, but by this retention device 7 every in draining trapping tube 3.
In not draining situation, because the draining odour seal is the U type, water can accumulate in place, U type below or exceed the bottom of draining trapping tube 3, and the ponding of draining odour seal bottom has played the protective effect that prevents that gas from flowing backwards like this; When the water level of draining odour seal bottom is lower than draining trapping tube 3 lower ends; because float valve 4 has certain gravity; and the diameter of float valve 4 is greater than the diameter of draining trapping tube 3 bottoms; float valve 4 sealed clamping cleats are located at the bottom of this draining trapping tube 3; thereby prevent from waste gas or contain bacterium, poisonous gas to flow backward to indoorly, accomplished double protection.
Under the another kind of situation, after the moisture content that accumulates in draining odour seal bottom constantly evaporates, even dry fully, at this moment, because float valve 4 has certain gravity, and the diameter of float valve 4 is greater than the diameter of draining trapping tube 3 bottoms, float valve 4 sealed clamping cleats are located at the bottom of this draining trapping tube 3, add float valve 4 smooth outer surfaces, thereby the complete sealed clamping cleat of energy is located at the bottom of this draining trapping tube 3, prevent waste gas or contain bacterium, poisonous gas flow backward to indoor, contaminated air.
In the utility model, in drainage procedure, float valve is to float by buoyancy of water to allow water unobstructedly naturally pass through its draining trapping tube and outlet pipe, and is discharged to outdoor total sewage drainage pipeline.When not draining,, be used to stop gas to return indoor from outdoor refluence because draining odour seal bottom is accumulated certain moisture content is arranged.When the moisture content in the draining odour seal constantly evaporates when dry fully, because float valve has certain gravity, and the diameter of float valve is greater than the diameter of draining trapping tube bottom, the float valve sealed clamping cleat is located at the bottom of this draining trapping tube, thus prevent waste gas or contain bacterium, poisonous gas flows backward to indoor.Yet when running under the situation that gas flows backwards, gas pressure is big more, and float valve can be got over the bottom that sealed clamping cleat closely is located at draining trapping tube owing to the compacting of gas pressure.The utility model is not only simple in structure, and this design has accomplished that duplicate protection gas flows backwards.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (11)
1. draining odour seal that prevents that gas from flowing backwards, comprise an oral siphon, a draining trapping tube and an outlet pipe, described draining trapping tube is provided with a delivery port, described draining trapping tube lower end is connected with oral siphon, its delivery port place then is connected with outlet pipe, it is characterized in that, described draining odour seal also comprises a float valve, described float valve is positioned at described draining trapping tube, and the diameter of described float valve is greater than the diameter of draining trapping tube bottom; Under the anhydrous situation, described float valve sealed clamping cleat is located at the bottom of draining trapping tube in described draining trapping tube.
2. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that the bottom of described draining trapping tube is funnel-form.
3. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that described float valve is circular spheroid.
4. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 3 is characterized in that described float valve is a hollow or solid.
5. as claim 3 or the 4 described draining odour seals that prevent that gas from flowing backwards, it is characterized in that described float valve surface is a shiny surface.
6. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that the delivery port place of described draining trapping tube is provided with retention device.
7. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 6 is characterized in that described retention device extends to form catch by the outlet pipe sidewall to the center.
8. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that, is provided with service cover in the upper end of described draining trapping tube.
9. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that, described outlet pipe is fixed on the delivery port wall on every side of described draining trapping tube in the opening mode of being inclined upwardly.
10. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that, is provided with threaded connection at described oral siphon and draining trapping tube junction.
11. a draining trapping tube, it is provided with a water inlet and a delivery port, it is characterized in that, described draining trapping tube also comprises a float valve, and described float valve is positioned at described draining trapping tube, and the diameter of described float valve is greater than the diameter of draining trapping tube bottom; Under the anhydrous situation, described float valve sealed clamping cleat is located at the bottom of draining trapping tube in described draining trapping tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201208869U CN201080632Y (en) | 2007-06-15 | 2007-06-15 | Water drainage gas-separation device for preventing gas reverse flowing |
| HK07113413A HK1106665A2 (en) | 2007-06-15 | 2007-12-07 | An anti-back flow of air insulation drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201208869U CN201080632Y (en) | 2007-06-15 | 2007-06-15 | Water drainage gas-separation device for preventing gas reverse flowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080632Y true CN201080632Y (en) | 2008-07-02 |
Family
ID=39561771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201208869U Expired - Fee Related CN201080632Y (en) | 2007-06-15 | 2007-06-15 | Water drainage gas-separation device for preventing gas reverse flowing |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201080632Y (en) |
| HK (1) | HK1106665A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994335B (en) * | 2009-08-26 | 2012-10-10 | 名科发展有限公司 | Drainage gas isolating device for preventing gas backflow and drainage gas isolating cylinder |
-
2007
- 2007-06-15 CN CNU2007201208869U patent/CN201080632Y/en not_active Expired - Fee Related
- 2007-12-07 HK HK07113413A patent/HK1106665A2/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994335B (en) * | 2009-08-26 | 2012-10-10 | 名科发展有限公司 | Drainage gas isolating device for preventing gas backflow and drainage gas isolating cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1106665A2 (en) | 2008-03-14 |
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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: 20080702 Termination date: 20110615 |