CN107938772A - A kind of household sewer back-flow preventer for kitchen use - Google Patents
A kind of household sewer back-flow preventer for kitchen use Download PDFInfo
- Publication number
- CN107938772A CN107938772A CN201711101169.6A CN201711101169A CN107938772A CN 107938772 A CN107938772 A CN 107938772A CN 201711101169 A CN201711101169 A CN 201711101169A CN 107938772 A CN107938772 A CN 107938772A
- Authority
- CN
- China
- Prior art keywords
- tube
- air
- chamber
- straight pipe
- kitchen use
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/122—Pipe-line systems for waste water in building
- E03C1/1222—Arrangements of devices in domestic waste water pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/28—Odour seals
- E03C1/284—Odour seals having U-shaped trap
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/28—Odour seals
- E03C1/284—Odour seals having U-shaped trap
- E03C1/286—Odour seals having U-shaped trap having hand-operated valves against return of waste water
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention discloses a kind of household sewer back-flow preventer for kitchen use,Including straight pipe,U-tube,Prevent back chamber and ease device of air,Straight pipe is connected to the right end for preventing back chamber,And straight pipe and prevent back that chamber junction is internally provided with angle circle,Prevent back that chamber left end is connected with U-tube by air-guide section,Ease device of air is connected between straight pipe and U-tube,Prevent back that the center top of chamber and bottom symmetrical are provided with plug-back mechanism,The turn section of U-tube is horizontally arranged with hand gear,The present invention passes through straightway,Prevent back chamber,The type of attachment of air-guide section and U-tube,Form the structure of anti-return,The U-tube of obforms is except playing the role of deodorization,The generation of gas in sewer is prevented at the same time,And pass through the device of air that escapes,So that gas escapes,The direction that the gas produced in bath can also be flowed by air-guide section gas changes,And acted on by the interception concentration of extension board,So that gas selects permeable membrane layer to pass through to permission air permeable.
Description
Technical field
The present invention relates to sanitation technical field, is specially a kind of household sewer back-flow preventer for kitchen use.
Background technology
Sewer is a kind of urban public utilities, refers to the pipeline of building draining-off sewage and rainwater, also refer to city, plant area or
The underpass of village draining-off sewage and rainwater, currently, skyscraper is more and more, since pipeline is meticulous, crook design does not conform to
Reason, debris siltation, are especially influenced in dead season due to easily being lumpd by greasy dirt, and sewer pipe easily is turned to deposit at sharp turn and blocked up in bottom
Plug causes blowdown not smooth, thereby tends to sewage can be caused to assemble rising in pipeline be back to main sewer pipe to connection due to blocking
In logical bottom building, especially sometimes in family it is long-term nobody, large amount of sewage can be caused to enter, make its resident family suffer untold misery.For
How this prevents drain of kitchen anti-return from becoming a problem urgently to be resolved hurrily：
（1）Drain of kitchen at this stage carries out draining, this connection side by the way of pipeline is directly connected to total pipeline mostly
Formula make it that in sewer pipe that there are more air chamber column, excessive air pressure to be easy for producing under the stopping state of certain segment pipe
The phenomenon of reflux, simultaneously because downcomer is total drainage channel of household water, the blocking of the end water pipe of family when in use
Also the phenomenon of reflux is easily produced；
（2）Existing downcomer uses the form of U-tube mostly, but this kind of connecting pipe can only play the effect of deodorization, and
The effect of anti-backflow cannot be played；
（3）The existing back-flow preventer for electric machinery control, then need to install electric power supply apparatus in sewer, moist
Sewer be easy to cause the danger of electric leakage.
Application number 201620236415.3, the title of utility model：A kind of automatic back-flow preventer of drain of kitchen, should
The solution that utility model uses：It is new that one is added between elbow in drain of kitchen installation under main downcomer and washbasin
The automatic of design back prevent valve, for preventing the reflux of sewage so that drain of kitchen mainly prevent back by main downcomer, automatically valve,
The structures such as elbow, indoor secondary downcomer, washbasin are formed, and the utility model has the characteristics that easy to operate, cost is low, effect is good,
Anti- drain of kitchen reflux is can be widely used for, what which used prevents back valve automatically, and structure is too simple, can not be suitable for
The less slowly reflux of pressure, can only can just play the role of anti-return by larger water impact.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of household sewer back-flow preventer for kitchen use.
The technical solution adopted by the present invention to solve the technical problems is：A kind of household sewer anti-return dress for kitchen use
Put, including straight pipe, U-tube, prevent back chamber and ease device of air, the straight pipe is connected to the right end for preventing back chamber, and the straight tube
Section and prevent back that chamber junction is internally provided with angle circle, it is described to prevent back that chamber left end is connected with U-tube, the ease gas by air-guide section
Device is connected between straight pipe and U-tube, and the ease device of air is installed on and prevents back top of chamber, the middle top for preventing back chamber
Portion and bottom symmetrical are provided with plug-back mechanism, and the turn section of the U-tube is horizontally arranged with hand gear；
The plug-back mechanism includes semicircular acting chamber and rubber cork, and fixing axle is provided with inside the acting chamber, described
Activity is cased with sliding blade and crank rod in fixing axle, and the sliding blade and crank rod are integrally formed, the crank rod it is another
End is hinged on rubber cork, and the right end of the rubber cork is provided with tapered head, bottom and prevents back chamber in the acting chamber right end
Outer wall junction is provided with shunting guide plate；The ease device of air includes the gentle head of semicircular atmospheric pressure cavity, the gas head surface
Micropore circle is provided with, the atmospheric pressure cavity is both provided with straight pipe, U-tube junction selects permeable membrane layer respectively, the atmospheric pressure cavity and U
Shape pipe junction is provided with extension board.
As a kind of technical solution for having choosing of the present invention, the hand gear includes ring flange and threaded rod, the flange
Disk is installed on the outer wall of U-tube turning point, and the threaded rod laterally rushes across ring flange and is connected with semicircle plug, the U-tube turnover
Stopper ring is provided among place.
As a kind of technical solution for having choosing of the present invention, sealing ring, and the sealing ring position are set with the threaded rod
In ring flange left end.
It is identical with the aperture among stopper ring as a kind of technical solution for having choosing of the present invention, the semicircle plug.
As a kind of technical solution for having choosing of the present invention, the left surface of the rubber cork is concave arc shape, and rubber cork
Diameter it is identical with the aperture of oblique circle.
As a kind of technical solution for having choosing of the present invention, the sliding blade and acting chamber inner surface wall do not connect, and institute
The angle of sliding blade and crank rod is stated between 155 ° -170 °.
As a kind of technical solution for having choosing of the present invention, the radian of air-guide section and the U-tube junction and extension board
Radian is identical.
As a kind of technical solution for having choosing of the present invention, the pore type material for selecting permeable membrane layer to use ePTFE laminating adhesives.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）The present invention by straightway, prevent back the type of attachment of chamber, air-guide section and U-tube, form the structure of anti-return, obforms
U-tube except playing the role of deodorization, while prevent the generation of gas in sewer, and pass through the device of air that escapes so that gas
Effusion, the direction that the gas produced in bath can also be flowed by air-guide section gas changes, and blocking by extension board
Acted in cut set so that gas selects permeable membrane layer to pass through to permission air permeable, and is escaped by gas head and micropore circle, directly
The vertical flow velocity of spool so that the pressure in straight pipe reduces, and negative pressure is formed in atmospheric pressure cavity so as to the air to extension board side
The effect attracted is formed, is more convenient the effusion of air；
（2）The double action of manually device and automatics of the invention, so as to fulfill actively being operated with automatic anti-return,
More preferably anti-return measure is provided, in automatic anti-return, less current can prevent back the cunning blade in bottom of chamber portion so as to unidirectional
Promotion slide blade so that crank rod slowly promotes the oblique circle of rubber cork stick harness, and when current are larger, recirculation water can be rushed directly
The cunning blade of rubber cork and upper lower bottom part is hit, so that rubber cork quickly is pushed into oblique circle, by setting oblique circle
Rubber cork will not be caused excessively to stopper, ensure the normal current of straight pipe, in hand gear, directly by rotating screw thread
Bar so that the combination of semicircle plug and stopper ring, more directly carries out anti-return operation.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the plug-back mechanism side structure schematic view of the present invention；
In figure：1- straight pipes；2-U shape pipes；3- prevents back chamber；4- plug-backs mechanism；41- fixing axles；42- slides blade；43- crank rods；
44- rubber corks；The tapered heads of 45-；46- shunts guide plate；47- acting chambers；5- hand gears；51- stopper rings；52- semicircle plugs；
53- sealing rings；54- ring flanges；55- threaded rods；6- ease device of air；61- atmospheric pressure cavities；62- selects permeable membrane layer；63- gas heads；64- is micro-
Hole is enclosed；65- extension boards；7- angle circles；8- air-guide sections.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., is only direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As depicted in figs. 1 and 2, the present invention provides a kind of household sewer back-flow preventer for kitchen use, including straight pipe 1, U-shaped
Pipe 2, prevent back chamber 3 and ease device of air 6, and the straight pipe 1 is connected to the right end for back prevent chamber 3, and the straight pipe 1 with prevent back chamber 3
Junction is internally provided with angle circle 7, described to prevent back that 3 left end of chamber is connected with U-tube 2, the ease device of air 6 by air-guide section 8
It is connected between straight pipe 1 and U-tube 2, and the ease device of air 6 is installed on and prevents go back to the top of chamber 3, the centre for preventing back chamber 3
Top and bottom are symmetrically arranged with plug-back mechanism 4, and the turn section of the U-tube 2 is horizontally arranged with hand gear 5；
The plug-back mechanism 4 includes semicircular acting chamber 47 and rubber cork 44, and fixation is provided with inside the acting chamber 47
Axis 41, in the fixing axle 41 activity be cased with sliding blade 42 and crank rod 43, and the sliding blade 42 and the one of crank rod 43 into
Type, the sliding blade 42 and 47 inner surface wall of acting chamber do not connect, and the angle of the sliding blade 42 and crank rod 43 exists
Between 155 ° -170 °, the other end of the crank rod 43 is hinged on rubber cork 44, and the right end of the rubber cork 44 is set
Have tapered first 45, the left surface of the rubber cork 44 is concave arc shape, and the aperture phase of the diameter of rubber cork 44 and oblique circle 7
Together, in 47 right end of acting chamber bottom and back prevent 3 outer wall junction of chamber be provided with shunt guide plate 46；The ease device of air 6
Including semicircular atmospheric pressure cavity 61 gentle first 63, first 63 surface of gas is provided with micropore circle 64, the atmospheric pressure cavity 61 respectively and
What straight pipe 1,2 junction of U-tube were both provided with the pore type material of ePTFE laminating adhesives selects permeable membrane layer 62, the atmospheric pressure cavity 61 and U
2 junction of shape pipe is provided with extension board 65, the radian phase of the radian and extension board 65 of 2 junction of air-guide section 8 and U-tube
Together；
The hand gear 5 includes ring flange 54 and threaded rod 55, and the ring flange 54 is installed on 2 turning point outer wall of U-tube,
Laterally rush across ring flange 54 is connected with semicircle plug 52 to the threaded rod 55, and stopper ring 51 is provided among 2 turning point of U-tube,
Sealing ring 53 is set with the threaded rod 55, and the sealing ring 53 is located at 54 left end of ring flange, the semicircle plug 52 and plug
Aperture among circle 51 is identical.
The operation principle of the present invention：The present invention manually device and back prevent that chamber realizes sewer, and passes through the gas dress that escapes
The air pressure reduced in sewer is put, the generation of anti-backflow, is in opening, semicircle plug departs from original state hand gear
Stopper ring so that U-tube back prevent chamber into path, when the water of reflux enters, the water of reflux to the left surface generation pressure of rubber cork,
Recirculation water flows into acting chamber by shunting guide plate at the same time, so as to produce pressure to the right flank of sliding blade so that sliding blade around
Fixing axle rotates so that crank rod promotes the movement of rubber cork dextrad, the pressure that compound rubber cork left surface is subject to so that rubber
In glue cork push-in angle circle, so that clogging prevent back chamber, anti-return is realized；When progress hand gear realizes anti-return, lead to
Cross manual turn threaded rod so that semicircle plug and stopper ring be combined with each other, so that clogging U-tube, realizes preventing back for pro-active intervention
Stream；When the air carried at the same time when common water flows into straight pipe passes through air-guide section, interfered by the water conservancy diversion of air-guide section so that
Air in current enters U-tube formula, flows to extension board, and during by the pore type materials of ePTFE laminating adhesives, water can not be by this
Film, air can be escaped by atmospheric pressure cavity, and by micropore circle in a fit of anger.
In conclusion the main characteristic of the invention lies in that：The present invention by straightway, prevent back chamber, air-guide section and U-tube
Type of attachment, forms the structure of anti-return, and the U-tube of obforms prevents gas in sewer except playing the role of deodorization
Generation, and pass through the device of air that escapes so that gas escapes, and the gas produced in bath can also pass through air-guide section gas stream
Dynamic direction changes, and is acted on by the interception concentration of extension board so that and gas selects permeable membrane layer to pass through to permission air permeable,
And escaped by gas head and micropore circle, the vertical flow velocity of rectilinear tubes so that the pressure in straight pipe reduces, in atmospheric pressure cavity
Negative pressure is formed so as to form the effect attracted to the air of extension board side, is more convenient the effusion of air；The present invention manually fills
The double action with automatics is put, so as to fulfill actively being operated with automatic anti-return, there is provided more preferably anti-return measure,
In automatic anti-return, less current can prevent back the cunning blade in bottom of chamber portion so as to which blade is slided in unidirectional promotion so that crank rod
The oblique circle of rubber cork stick harness is slowly promoted, when current are larger, recirculation water can directly impact rubber cork and upper lower bottom part
Sliding blade, so that rubber cork quickly is pushed into oblique circle, by set oblique circle will not rubber cork excessively fill in
Tightly, the normal current of straight pipe are ensured, in hand gear, directly by rotating threaded rod so that the knot of semicircle plug and stopper ring
Close, more directly carry out anti-return operation.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (8)
- A kind of 1. household sewer back-flow preventer for kitchen use, it is characterised in that：Including straight pipe（1）, U-tube（2）, prevent back chamber （3）With ease device of air（6）, the straight pipe（1）It is connected to and prevents back chamber（3）Right end, and the straight pipe（1）With prevent back chamber （3）Junction is internally provided with angle circle（7）, it is described to prevent back chamber（3）Left end passes through air-guide section（8）It is connected with U-tube（2）, institute State ease device of air（6）It is connected to straight pipe（1）And U-tube（2）Between, and the ease device of air（6）Installed in preventing back chamber（3）Top Portion, it is described to prevent back chamber（3）Center top and bottom symmetrical be provided with plug-back mechanism（4）, the U-tube（2）Turn section it is horizontal To being provided with hand gear（5）；The plug-back mechanism（4）Including semicircular acting chamber（47）With rubber cork（44）, it is described Acting chamber（47）Inside is provided with fixing axle（41）, the fixing axle（41）Upper activity is cased with sliding blade（42）And crank rod （43）, and the sliding blade（42）And crank rod（43）It is integrally formed, the crank rod（43）The other end to be hinged on rubber soft Plug（44）, the rubber cork（44）Right end be provided with tapered head（45）, the acting chamber（47）Bottom and prevent back in right end Chamber（3）Outer wall junction is provided with shunting guide plate（46）；The ease device of air（6）Including semicircular atmospheric pressure cavity（61）It is gentle Head（63）, the gas head（63）Surface is provided with micropore circle（64）, the atmospheric pressure cavity（61）Respectively and straight pipe（1）, U-tube （2）Junction, which is both provided with, selects permeable membrane layer（62）, the atmospheric pressure cavity（61）And U-tube（2）Junction is provided with extension board（65）.
- A kind of 2. household sewer back-flow preventer for kitchen use according to claim 1, it is characterised in that：The dress manually Put（5）Including ring flange（54）And threaded rod（55）, the ring flange（54）Installed in U-tube（2）It is described on the outer wall of turning point Threaded rod（55）Laterally rush across ring flange（54）It is connected with semicircle plug（52）, the U-tube（2）Stopper ring is provided among turning point （51）.
- A kind of 3. household sewer back-flow preventer for kitchen use according to claim 2, it is characterised in that：The threaded rod （55）On be set with sealing ring（53）, and the sealing ring（53）Positioned at ring flange（54）Left end.
- A kind of 4. household sewer back-flow preventer for kitchen use according to claim 2, it is characterised in that：The semicircle plug （52）And stopper ring（51）Middle aperture is identical.
- A kind of 5. household sewer back-flow preventer for kitchen use according to claim 1, it is characterised in that：The rubber is soft Plug（44）Left surface be concave arc shape, and rubber cork（44）Diameter and oblique circle（7）Aperture it is identical.
- A kind of 6. household sewer back-flow preventer for kitchen use according to claim 1, it is characterised in that：The sliding blade （42）And acting chamber（47）Inner surface wall does not connect, and the sliding blade（42）And crank rod（43）Angle 155 °- Between 170 °.
- A kind of 7. household sewer back-flow preventer for kitchen use according to claim 1, it is characterised in that：The air-guide section （8）And U-tube（2）The radian and extension board of junction（65）Radian it is identical.
- A kind of 8. household sewer back-flow preventer for kitchen use according to claim 1, it is characterised in that：It is described to select permeable membrane Layer（62）Using the pore type material of ePTFE laminating adhesives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711101169.6A CN107938772A (en) | 2017-11-10 | 2017-11-10 | A kind of household sewer back-flow preventer for kitchen use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711101169.6A CN107938772A (en) | 2017-11-10 | 2017-11-10 | A kind of household sewer back-flow preventer for kitchen use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107938772A true CN107938772A (en) | 2018-04-20 |
Family
ID=61933725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711101169.6A Withdrawn CN107938772A (en) | 2017-11-10 | 2017-11-10 | A kind of household sewer back-flow preventer for kitchen use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107938772A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797814A (en) * | 2019-01-29 | 2019-05-24 | 台州铭星装饰工程股份有限公司 | A kind of toilet drainage deodorization system |
-
2017
- 2017-11-10 CN CN201711101169.6A patent/CN107938772A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797814A (en) * | 2019-01-29 | 2019-05-24 | 台州铭星装饰工程股份有限公司 | A kind of toilet drainage deodorization system |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |
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| WW01 | Invention patent application withdrawn after publication |