CN100491658C - Automatic gas-isolation apparatus of preventing flowback of gases containing bacteria and toxic gas - Google Patents
Automatic gas-isolation apparatus of preventing flowback of gases containing bacteria and toxic gas Download PDFInfo
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- CN100491658C CN100491658C CNB2005100081442A CN200510008144A CN100491658C CN 100491658 C CN100491658 C CN 100491658C CN B2005100081442 A CNB2005100081442 A CN B2005100081442A CN 200510008144 A CN200510008144 A CN 200510008144A CN 100491658 C CN100491658 C CN 100491658C
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- float valve
- odour seal
- tube
- automatic
- draining
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Abstract
An automatic gas isolating device preventing poisonous gas with bacilli from flowing backwards includes a drain gas separating drum, an outlet pipe tilted upwards mounted on the wall surrounding the outlet, a floating valve set in the drum movably and a support piece, in which, the float valve can move up and down synchronously along with the water level in the drum, when the float valve is above the lower edge of the outlet, water in the outlet pipe and the separating drum can form a first protection layer for preventing the gas in the automatic isolating device from flowing backwards or pest and bacilli from entering and form a second protection layer after the water in the outlet pipe is evaporated, the float valve falls to close the outlet.
Description
Technical field
The present invention relates to a kind of odour seal, especially a kind of automatic odour seal that prevents to contain bacterium, toxic gas refluence.
Background technology
Because the influenza in the end of the year 2002 and 2003 and SARS in the Asia, the generation and the propagation of some countries and regions in America, captured several thousand people's the expensive life of guarantor, bring the loss that is difficult to remedy for society and some families.Concerning the resident of Hong Kong, can not forget SARS each area outburst in 2003, the chain reaction that causes in the Hong kong.Each corner in urban district, building, every building, each unit also constantly repeated to take place at that time, and relatively the typical case has the Kowloon gulf to wash in a pan SARS bacterium or viral propagation that the big garden is taken place.This is because the interior no good odour seal of some mansion or unit drainage pipe, gas will flow backwards, add the suction of indoor exhaust fan, the gas of SARS virus is discharged to and outdoorly runs into the power of air and quicken diffusion, and makes around mansion or the unit some residents instantly by the influenza of mercilessness and sars coronavirus invasion and attack.
Although traditional be used for drainage pipe prevent that sewage from flowing backwards and the anti-odour seal that emits of foul smell has a lot of kinds, they are used as the refluence that resembles the SARS virus gas influenza and the SARS or instead emit or all weak points arranged.
For instance, in the prospectus of Chinese invention patent application number CN 87101844A, disclosed a kind of non-return water-sealed valve.This non-return water-sealed valve is used for the pond case, it is taken over by a float valve, a water tight compartment and import and export connected and forms, when overflow water flows to outlet by entrance sleeve, the ball float of float valve is located on the support, overflow water is freely passed through, and have the water of reasonable depth in the water tight compartment bottom, and form water seal, prevent that the foul smell in the exhaust system from scurrying into the pond case.But the water in the water tight compartment of this device can make pernicious gas enter water tight compartment top after being subjected to thermal evaporation, and when running into sewage or gas and pouring in down a chimney, it will go into the pond case with the sewage anti-channeling.
A kind of automatic sealing Anti-smelly drainaging unit is disclosed in Chinese utility model patent number 03212114.8.This water trap is made of the draught excluder that a piece housing and that is installed in the sewer pipe is installed in the housing, wherein, lower part of frame has the end opening of inclination, and be fixed with bearing in its excircle eccentricity side, and draught excluder comprises that one is installed in rotation on the valve block on the bearing, be used to open and close the end opening of housing, and one is placed near the balance weight body on the valve block free end of bearing one side.When water flows into housing, with pushing away under the valve block end opening is opened by its gravity; After current, valve block automatically seals the end opening of housing by balance weight body.
At the disclosed special deodorization apparatus of being willing to disclose in flat 7-165691 a kind of outfall of Japan's special permission, it has a cylindrical shell and and is placed in check (non-return) valve in the cylindrical shell, wherein, check (non-return) valve comprises that the valve seat, that the valve body, of a cross section T shape is fixed in the cylindrical shell is installed in the support valve seat both sides, arch and a spring.Valve body passes the hole of the valve opening and the support of valve seat by its vertical bar portion, and spring then is sleeved in the vertical rod portion of passing support, thus the valve body horizontal part that can make valve body by the elastic force of spring from down and on flexibly cover the valve opening of valve seat.This deodorization apparatus is to be installed in the gutter under the outfall by cylindrical shell, when draining, the horizontal part that the gravity by water promotes valve body downwards is discharged into sewer to open valve opening, when current are ended, under the resilient force of spring, valve is mentioned and close valve orifice.
More than two kinds of devices be mainly used in the refluence that prevents sewage, and can not effectively prevent the refluence of gas.Therefore, up to the present, contain the automatic switch over protective device that bacterium, toxic gas are flow backwards in the deodorization of traditional drainage system or all satisfied without comparison can strict the preventing of odour seal.
Summary of the invention
The objective of the invention is to remedy the deficiencies in the prior art and provide a kind of automatic odour seal that bacterium, toxic gas are flow backwards that prevents to contain, this automatic odour seal to have effectively to prevent or reduce the double-deck automatic switch over protection that described gas flows backwards in the gutter.
Realize that the above-mentioned purpose technical scheme is, a kind of automatic odour seal that prevents to contain bacterium, toxic gas refluence, it comprises:
One draining trapping tube, this draining trapping tube is provided with a water inlet, is provided with a venthole on its end face, and side face is provided with a delivery port;
One oral siphon, it also is arranged in the draining trapping tube water inlet for straight tube with can feeding liquid;
One outlet pipe, it is installed on the delivery port wall on every side with being inclined upwardly;
One float valve, this float valve are installed in the draining trapping tube movably, and above-mentioned oral siphon is arranged to make liquid to pass to described float valve below; And
One holder part, this holder part has centre bore, and the position of described holder part be arranged to level be positioned at the delivery port position below, when float valve is positioned on the holder part and when being supported by the holder part, the delivery port of the first-class described draining trapping tube of float valve;
Described oral siphon inserts downwards by the axial hole in the described float valve, and described holder part is installed on the oral siphon of float valve below by described centre bore.
Automatic odour seal as previously discussed, wherein, the height of described float valve is greater than the diameter of delivery port, and when float valve was displaced downwardly to and holds in the palm part to offset the position, it sealed whole delivery port with circumferential surface sections.
Automatic odour seal as previously discussed wherein, is equipped with an outlet valve on the venthole of described draining trapping tube.
Automatic odour seal as previously discussed, wherein, the angle of inclination of the center line of the relative draining trapping of described outlet pipe tube is 20～80 °.
Automatic odour seal as previously discussed, wherein, the optimum tilt angle of described outlet pipe is 45 °.
Automatic odour seal as previously discussed, wherein, automatically odour seal also comprises a holding tube, the inwall of this holding tube is provided with internal thread, the outer wall of the bottom of described oral siphon is provided with external screw thread simultaneously, therefore, holding tube can be screwed to the bottom of oral siphon so that ask part to remain on certain position.
Automatic odour seal as previously discussed, wherein, the free end of described outlet pipe has the vertical connector portions of center line with draining trapping tube.
Automatic odour seal as previously discussed, wherein, the shell portion of described draining trapping tube below supporting plate can be made and the dismountable formula syndeton in its top, and described formula syndeton comprises screw thread or jog.In addition, the formula syndeton also comprises rubber seal.
Therefore, a well-designed float valve is arranged in the automatic odour seal of the present invention, can in the inter-sync of draining trapping tube, fall, when float valve drops to the position, limit of inwall setting along with the height of water level, i.e. design is used for just can just closing delivery port fully in the holder part interface position of support float valve.In this device. draining trapping tube lean to one side vertical edges position design have one best for the 45 degree the outlet pipe of angle; this outlet pipe is used for preventing that automatic odour seal gas refluence and insect bacterium etc. from entering the protection of first aspect, and the water of the storage in the draining trapping tube can play the protection of the second aspect that gas refluence and insect bacterium etc. are entered.The protection of described first, second aspect constitutes first floor protection of the present invention.On the other hand, the water evaporates in outlet pipe, float valve can along with water level drop to the position, limit that inwall sets automatically the time, just can close delivery port, prevent that sewage and gas from flowing backwards, and forms second layer protection.The present invention be directed to and prevent that waste gas from flowing backwards and preventing or reduce in the gutter atypia virus and propagate and design, have that pair human and livestock health life plays well, the reliable protection effect.
Description of drawings
Fig. 1 is the three-dimensional view of the automatic odour seal of the present invention;
Fig. 2 is the sectional view of bottom of oral siphon of the automatic odour seal of Fig. 1;
Fig. 3 a～Fig. 3 d respectively automatic odour seal of the present invention specific embodiment draining when running, static, the universe solid and four-stage such as answer three-dimensional view.
The saturating condition figure of four-stages such as another specific embodiment that Fig. 4 a～Fig. 4 d represents automatic odour seal of the present invention respectively draining when running, static, dry and answer.
The specific embodiment
See also Fig. 1, the automatic odour seal that prevents to contain bacterium, toxic gas refluence of the present invention as embodiment has been shown among Fig. 1.This automatic odour seal comprises a draining trapping tube 1, an oral siphon 2, an outlet pipe 3, a float valve 4, a supporting plate 5 and an outlet valve 6 as the holder part, and these parts can be made with plastics and/or metal.In this device, draining trapping tube 1 is an airtight container and is provided with water inlet, is provided with the venthole 11 that a central circular hole and is positioned at the central circular hole next door on its end face, is provided with a delivery port 12 on its side face.
Supporting plate 5 as the holder part has centre bore and some openings of arranging around centre bore 51.It is installed on the oral siphon 2 below the float valve 4 by centre bore, and is fixedly located in the lower edge of delivery port 12 in the mode that is parallel to float valve 4 soffits.In the present embodiment, the height of float valve 4 should be equal to or greater than the diameter of delivery port 12, so that can just in time delivery port 12 be closed when oral siphon 2 is moved down into the position that offsets with supporting plate 5 at float valve 4.
6 of outlet valves are installed on the venthole 11 on the end face of draining trapping tube 1, be used to get rid of when float valve 4 moves up fast float valve on the gas of indoor pressurized.
See also Fig. 1 and Fig. 2, for the ease of the maintenance of the upper wall in last float valve 4, supporting plate 5 and the draining trapping tube, the bottom of the oral siphon 2 of supporting plate below 5 can be provided with a dismountable threaded connection.This threaded connection is included in external screw thread set on oral siphon 2 outer walls and an additional and inwall is provided with the internal thread holding tube.This holding tube can be screwed to the bottom of oral siphon 2.The dismounting of threaded connection when the maintenance of float valve 4 and supporting plate 5 is provided, also can regulate the position of supporting plate 5 on oral siphon 2 in case of necessity.In addition, in order to clear up in drainage procedure the foreign material and the grains of sand at 1 bottom sediments of draining trapping tube, removable lining syndeton 8 can be made in the bottom of draining trapping tube 1, for example add that by the screw thread that can match, concavo-convex interface (not drawing among the figure) such as rubber gaskets is tightly connected with its top, be used for fixing and fast quick-detach float valve, the upper wall in maintenance and the cleaning draining trapping tube can not influence again and intercept that gas flows backwards and problem such as water outlet.
See also Fig. 3 a～Fig. 3 d, a specific embodiment of the automatic odour seal of this 3 invention of expression is at the operation or the state of living in of four-stage of draining, static, dry and answer respectively.
In Fig. 3 a, show normal draining running.When draining, water flows in the lower barrel of draining trapping tube 1 from the inlet of the upper end of oral siphon 2, water accumulates to certain altitude within it and flows through the opening 51 of supporting plate 5 and promote float valve 4 and move up, move up or float at float valve 4, so that progressively being reached fully, opens delivery port 12, water then flows out from outlet pipe 3, and is discharged into the sewage drainage pipeline.As shown in FIG., when draining, the high energy of float valve has floated to the position of delivery port more than 12.
In Fig. 3 b, show the inactive state that is not discharging water.When not draining, because float valve 4 remains on delivery port 12 above positions under buoyancy of water and draining trapping tube 1 and the outlet pipe 3 of float valve below 4 is connected, and water keeps equal height within it.And horizontal plane (representing with arrow A) is higher than delivery port 12; water in outlet pipe 3 has played the protective effect of the first aspect that prevents that gas from flowing backwards like this; and the water in draining trapping tube 1 has played the protective effect of the second aspect that prevents that gas from flowing backwards, and represents with arrow B.This trapping protective effect by formed first and second aspects of water is generically and collectively referred to as first floor and protects automatically.
In Fig. 3 c, show state because of the RELATION TO CLIMATE water evaporates.In not draining or the inactive state that do not discharge water, the water that can occur in outlet pipe 3 and the draining trapping tube 1 constantly evaporates, and the water in trapping tube 1 is dry fully, and at this moment, the water level of the water of draining trapping tube 1 can descend, and float valve 4 will move down along with the reduction of water level.In the position of drawdown to supporting plate 5, float valve 4 will cut out delivery port fully, reach the refluence that prevents gas.This trapping of being played by float valve 4 is protected the effect of C to be called the second layer and is protected automatically.
In Fig. 3 d, show the running of replying draining.This is to carry out draining under the dry fully situation of the water of outlet pipe 3, but its draining operation is to be the same with draining running described in Fig. 3 a, repeats no more here
In Fig. 3 a～Fig. 3 d, arrow a, b represent the direction of current.Arrow c, d represent the moving direction of float valve.Arrow e, f represent the direction that preventible gas flows backwards.
Another specific embodiment of see also Fig. 4 a～Fig. 4 d, representing the automatic odour seal of the present invention respectively is at the operation or the state of living in of draining, static, the dry and four-stage of replying.
In Fig. 4 a, show normal draining running.When draining, water flows into footpath one U type bend pipe from oral siphon 22 inlets and also gathers within it, moves up in case reach a certain height then promote float valve 14.Float valve move up or location free procedure in, air is discharged water and is then flowed out from outlet pipe 13 from outlet valve 16, and is discharged into the sewage drainage pipeline.
As shown in Fig. 4 a, float valve high energy floated to delivery port more than 112 the position and close outlet valve 16, water is unlikely from the steam vent of outlet valve 16 discharges.
In Fig. 4 b, show the inactive state that is not discharging water.When not draining, because float valve 14 remains on delivery port 112 above positions under buoyancy of water and draining trapping tube 21 and the outlet pipe 13 of float valve below 14 communicates, and water keeps equal height and horizontal plane (representing with arrow A) to be higher than delivery port 112 within it.Water in outlet pipe 13 has played first floor and has protected automatically like this.Please refer to the above.
In Fig. 4 c, show water evaporates state afterwards.When water level descended because of evaporation in the draining trapping tube 21, float valve 14 can move down with drawdown.One backing ring 15 as the holder part is fastened in the pipeline.When drawdown arrives the position of backing ring 15, float valve 14 will cut out delivery port 112 fully, reach the refluence that prevents gas, and play the second layer and protect automatically.
In Fig. 4 d, show the running of replying draining.Can consult described in Fig. 4 a in detail.
Automatic odour seal of the present invention is to design according to the buoyancy and the self gravitation of float valve 4 in water.When draining, 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 or trunnion.When the long-term anhydrous automatic odour seal that enters,, return indoor from outdoor refluence as prevention gas because of the draining trapping tube and the outlet pipe of odour seal automatically have certain pondage.When the water in outlet pipe constantly evaporates until dry, water is in evaporating course, the switching regulator float valve can be shut delivery port automatically with the decline of water level, so peculiar smell pernicious gas in outdoor sewage drainage pipeline or the trunnion and insect etc. all can not be by outlet pipe and switch float valves and in the inlet chamber, but when water again, water can flow to draining trapping tube from indoor oral siphon again, and it can reply normal draining again immediately to outdoor function.
Claims (11)
1, a kind of automatic odour seal that prevents to contain bacterium, toxic gas refluence is characterized in that it comprises:
One draining trapping tube, this draining trapping tube is provided with a water inlet, is provided with a venthole on its end face, and side face is provided with a delivery port;
One oral siphon, it also is arranged in the draining trapping tube water inlet for straight tube with can feeding liquid;
One outlet pipe, it is installed on the delivery port wall on every side with being inclined upwardly;
One float valve, this float valve are installed in the draining trapping tube movably, and described oral siphon is arranged to make liquid to pass to described float valve below; And
One holder part, this holder part has centre bore, and the position of described holder part be arranged to level be positioned at the delivery port position below, when float valve is positioned on the described holder part and when being supported by described holder part, described float valve cuts out the delivery port of described draining trapping tube;
Described oral siphon inserts downwards by the axial hole in the described float valve, and described holder part is installed on the oral siphon of float valve below by described centre bore.
2, automatic odour seal as claimed in claim 1 is characterized in that, the height of described float valve is greater than the diameter of delivery port, and when float valve was displaced downwardly to and holds in the palm part to offset the position, it sealed whole delivery port with circumferential surface sections.
3, automatic odour seal as claimed in claim 1 is characterized in that, on the venthole of described draining trapping tube an outlet valve is housed.
4, automatic odour seal as claimed in claim 1 is characterized in that, the angle of inclination of the center line of the relative draining trapping of described outlet pipe tube is 20～80 °.
5, automatic odour seal as claimed in claim 4 is characterized in that, the angle of inclination of described outlet pipe is 45 °.
6, automatic odour seal as claimed in claim 1, it is characterized in that, automatically odour seal also comprises a holding tube, the inwall of this holding tube is provided with internal thread, the outer wall of the bottom of described oral siphon is provided with external screw thread simultaneously, therefore, holding tube can be screwed to the bottom of oral siphon so that ask part to remain on certain position.
7, automatic odour seal as claimed in claim 1 is characterized in that, the free end of described outlet pipe has the vertical connector portions of center line with draining trapping tube.
8, automatic odour seal as claimed in claim 1 is characterized in that, the shell portion of described draining trapping tube below the holder part can be made and the dismountable formula syndeton in its top, and described formula syndeton comprises screw thread or jog.
9, automatic odour seal as claimed in claim 8 is characterized in that, described formula syndeton also comprises rubber seal.
10, automatic odour seal as claimed in claim 1 is characterized in that, described holder part is a supporting plate, and it has centre bore and opening.
11, automatic odour seal as claimed in claim 1 is characterized in that, described holder part is a backing ring, and it is fastened on the pipeline location under the delivery port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100081442A CN100491658C (en) | 2005-02-06 | 2005-02-06 | Automatic gas-isolation apparatus of preventing flowback of gases containing bacteria and toxic gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100081442A CN100491658C (en) | 2005-02-06 | 2005-02-06 | Automatic gas-isolation apparatus of preventing flowback of gases containing bacteria and toxic gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1814923A CN1814923A (en) | 2006-08-09 |
| CN100491658C true CN100491658C (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100081442A Expired - Fee Related CN100491658C (en) | 2005-02-06 | 2005-02-06 | Automatic gas-isolation apparatus of preventing flowback of gases containing bacteria and toxic gas |
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| Country | Link |
|---|---|
| CN (1) | CN100491658C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211268A (en) * | 2020-10-19 | 2021-01-12 | 朱圣龙 | Integral bathroom same-floor drainage buoyancy floor drain |
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2005
- 2005-02-06 CN CNB2005100081442A patent/CN100491658C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1814923A (en) | 2006-08-09 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20120206 |