CN201485925U - Drainage trapping device and drainage trapping cylinder for preventing gas backflow - Google Patents

Drainage trapping device and drainage trapping cylinder for preventing gas backflow Download PDF

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Publication number
CN201485925U
CN201485925U CN2009201685477U CN200920168547U CN201485925U CN 201485925 U CN201485925 U CN 201485925U CN 2009201685477 U CN2009201685477 U CN 2009201685477U CN 200920168547 U CN200920168547 U CN 200920168547U CN 201485925 U CN201485925 U CN 201485925U
Authority
CN
China
Prior art keywords
draining
trapping tube
float valve
gas
prevents
Prior art date
Application number
CN2009201685477U
Other languages
Chinese (zh)
Inventor
唐耀国
林桂洪
Original Assignee
名科发展有限公司
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Filing date
Publication date
Application filed by 名科发展有限公司 filed Critical 名科发展有限公司
Priority to CN2009201685477U priority Critical patent/CN201485925U/en
Application granted granted Critical
Publication of CN201485925U publication Critical patent/CN201485925U/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28Odour seals
    • E03C1/284Odour seals having U-shaped trap
    • E03C1/288Odour seals having U-shaped trap having non-return valves against return of waste water

Abstract

The utility model is applied to a drainage trapping device and provides a drainage trapping device for preventing backflow of waste gas or bacteria-containing and toxic gas. The drainage trapping device comprises a water inlet pipe, a drainage trapping cylinder and a water outlet pipe, wherein the drainage trapping cylinder is provided with a water outlet; the lower end of the drainage trapping cylinder is connected with the water inlet pipe; the water outlet is connected with the water outlet pipe; the drainage trapping device further comprises a float valve that can be clamped at the lower part of the drainage trapping cylinder in a sealing way in the absence of water in the drainage trapping cylinder; the float valve is located in the drainage trapping cylinder; the diameter of the float valve is greater than that of the lower part of the drainage trapping cylinder; and the water outlet or the water outlet pipe of the drainage trapping cylinder is internally provided with a stop member for preventing overflow of the float valve. The utility model has simple structure, can prevent gas backflow in a double way, and prevents waste gas or bacteria-containing and toxic gas from overflow; besides, the water outlet or water outlet pipe of the drainage trapping cylinder is internally provided with a stop member for preventing overflow of the float valve without affecting the flow of water or stopping waste.

Description

A kind of draining odour seal and draining trapping tube that prevents that gas from flowing backwards

Technical field

The utility model relates to the draining odour seal, relates in particular to a kind of draining odour seal and draining trapping tube 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 and draining trapping tube 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, an one 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, described draining odour seal also comprise one in described draining trapping tube the salable float valve that is arranged in draining trapping tube bottom when anhydrous, described float valve is positioned at described draining trapping tube, the diameter of described float valve is greater than the diameter of draining trapping tube bottom, is provided with one in the delivery port place of described draining trapping tube or the outlet pipe and is used to the block piece that prevents that float valve from overflowing.

The distance in space is less than the diameter of described float valve between the delivery port wall of the interior end points of described block piece and draining trapping tube or the water outlet tube wall.

Described block piece is that the delivery port or the outlet pipe inner peripheral wall of draining trapping tube extended bulk or the rod component that forms to its center.

Described block piece is by being snapped in the annular component on the draining trapping tube and being extended and the bulk that forms or rod component is one-body molded makes to its center by this annular component periphery.

Described block piece is the taper rod member.

Lower inner wall at described draining trapping tube is provided with glue figure.

Described block piece is arranged at the delivery port of draining trapping tube or the centre position of outlet pipe upper end.

Has the space between the delivery port upper end sidewall of described block piece and draining trapping tube.

The bottom of described draining trapping tube is funnel-form.

Described float valve is circular spheroid.

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.

A kind of draining trapping tube, it is provided with a water inlet and a delivery port, described draining trapping tube also comprise one in described draining trapping tube the salable float valve that is arranged in draining trapping tube bottom when anhydrous, described float valve is positioned at described draining trapping tube, the diameter of described float valve is greater than the diameter of draining trapping tube bottom, is provided with one in the delivery port place of described draining trapping tube or the outlet pipe and is used to the block piece that prevents that float valve from overflowing.

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, and is provided with one is used to the block piece that prevents that float valve from overflowing in the delivery port place of draining trapping tube or outlet pipe, and this block piece can be the taper rod member; it does not influence the flow of current output, and can not stop refuse.

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.

Fig. 3 is the schematic perspective view of the block piece 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 the tube 3 and salable float valve 4 that is arranged in draining trapping tube bottom when anhydrous in described draining trapping tube.

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.Lower inner wall at described draining trapping tube is provided with cushion rubber 8, and 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.

Be provided with one in the delivery port place of described draining trapping tube or the outlet pipe and be used to the block piece 7 that prevents that float valve from overflowing.As the utility model one embodiment, described block piece is that the delivery port or the outlet pipe inner peripheral wall of draining trapping tube extended bulk or the rod component that forms to its center.See also Fig. 3, as another embodiment of the utility model, described block piece is by being snapped in the annular component on the draining trapping tube and being extended and the bulk that forms or rod component is one-body molded makes to its center by this annular component periphery; Adopt the benefit of this schematic design to be: block piece detachably is installed on the delivery port upper end of draining trapping tube, when this block piece damaged, detachably the block piece that should damage was installed new block piece, and need not to change whole draining trapping tube, thereby save cost.

The distance in space is less than the diameter of described float valve between the delivery port wall of the interior end points of described block piece and draining trapping tube or the water outlet tube wall, thereby makes float valve can not be flushed away.Described block piece can be the taper rod member, the design of this taper rod member, and it does not influence the flow of current output, and can not stop refuse (as hair etc.), and this refuse can wash away from the gap.Described block piece is arranged at the delivery port of draining trapping tube or the centre position of outlet pipe upper end is an optimum efficiency, is not easy to stop refuse, and refuse can flow away from the gap, lower end.Have the space between the delivery port upper end sidewall of described block piece and draining trapping tube,, when impulsive force is big, play the effect of buffering, thereby make the block piece of taper be not easy to fracture owing to have the space.

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 block piece 7, thereby can not make float valve 4 block delivery port and can't draining, perhaps can not rush in the outlet pipe 2 owing to impulsive force makes float valve 4, thereby flow to the external world, and do not influence the flow of current output.

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 block piece 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 block piece 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; and in the delivery port place of draining trapping tube or outlet pipe, be provided with one and be used to the block piece that prevents that float valve from overflowing; this block piece can be the taper rod member; this taper rod member design; it does not influence the flow of current output, and can not stop refuse.

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 (12)

1. draining odour seal that prevents that gas from flowing backwards, comprise an oral siphon, an one 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 comprise one in described draining trapping tube the salable float valve that is arranged in draining trapping tube bottom when anhydrous, described float valve is positioned at described draining trapping tube, the diameter of described float valve is greater than the diameter of draining trapping tube bottom, is provided with one in the delivery port place of described draining trapping tube or the outlet pipe and is used to the block piece that prevents that float valve from overflowing.
2. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that the distance in space is less than the diameter of described float valve between the delivery port wall of the interior end points of described block piece and draining trapping tube or the water outlet tube wall.
3. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that, described block piece is that the delivery port or the outlet pipe inner peripheral wall of draining trapping tube extended bulk or the rod component that forms to its center.
4. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1, it is characterized in that described block piece is by being snapped in the annular component on the draining trapping tube and being extended and the bulk that forms or rod component is one-body molded makes to its center by this annular component periphery.
5. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that described block piece is the taper rod member.
6. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that, is provided with cushion rubber in the lower inner wall of described draining trapping tube.
7. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 1 is characterized in that, described block piece is arranged at the delivery port of draining trapping tube or the centre position of outlet pipe upper end.
8. the draining odour seal that prevents that gas from flowing backwards as claimed in claim 4 is characterized in that, has the space between the delivery port upper end sidewall of described block piece and draining trapping tube.
9. 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.
10. 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.
11. 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.
12. draining trapping tube, it is provided with a water inlet and a delivery port, it is characterized in that, described draining trapping tube also comprise one in described draining trapping tube the salable float valve that is arranged in draining trapping tube bottom when anhydrous, described float valve is positioned at described draining trapping tube, the diameter of described float valve is greater than the diameter of draining trapping tube bottom, is provided with one in the delivery port place of described draining trapping tube or the outlet pipe and is used to the block piece that prevents that float valve from overflowing.
CN2009201685477U 2009-07-30 2009-07-30 Drainage trapping device and drainage trapping cylinder for preventing gas backflow CN201485925U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201685477U CN201485925U (en) 2009-07-30 2009-07-30 Drainage trapping device and drainage trapping cylinder for preventing gas backflow

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2009201685477U CN201485925U (en) 2009-07-30 2009-07-30 Drainage trapping device and drainage trapping cylinder for preventing gas backflow
HK09107932A HK1130994A2 (en) 2009-07-30 2009-08-28 An anti-back flow of air insulation drainage device
US12/627,993 US20110023228A1 (en) 2009-07-30 2009-11-30 Drainage trapping cartridge and a drainage trapping device for preventing backflow of gas

Publications (1)

Publication Number Publication Date
CN201485925U true CN201485925U (en) 2010-05-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201685477U CN201485925U (en) 2009-07-30 2009-07-30 Drainage trapping device and drainage trapping cylinder for preventing gas backflow

Country Status (3)

Country Link
US (1) US20110023228A1 (en)
CN (1) CN201485925U (en)
HK (1) HK1130994A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140251460A1 (en) * 2013-03-11 2014-09-11 Gregory Sassaman Wastewater Overflow Prevention System
JP6275988B2 (en) * 2013-10-10 2018-02-07 日立アプライアンス株式会社 Drainage trap device for washing machine and cover thereof
US20170051483A1 (en) * 2015-08-17 2017-02-23 Gregory C. Dildilian Manually cleanable drain trap

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US178137A (en) * 1876-05-30 Improvement in air or stench traps
US289496A (en) * 1883-12-04 Joseph beknoe
US903569A (en) * 1907-06-27 1908-11-10 Joseph P Heeney Combined trap, waste, and overflow.
US1093601A (en) * 1913-02-10 1914-04-21 John A Blichmann Bath trap and overflow.
US3651826A (en) * 1969-11-19 1972-03-28 Noriatsu Kojima Drain trap for horizontal drain pipe

Cited By (1)

* Cited by examiner, † Cited by third party
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

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Publication number Publication date
US20110023228A1 (en) 2011-02-03
HK1130994A2 (en) 2010-01-08

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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: 20100526

Termination date: 20130730