CN208750082U - Duckbill valve structure, piping and sanitary products - Google Patents
Duckbill valve structure, piping and sanitary products Download PDFInfo
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- CN208750082U CN208750082U CN201821613671.5U CN201821613671U CN208750082U CN 208750082 U CN208750082 U CN 208750082U CN 201821613671 U CN201821613671 U CN 201821613671U CN 208750082 U CN208750082 U CN 208750082U
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- liquid outlet
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- valve body
- pipeline
- duckbill valve
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Abstract
The utility model provides a kind of duck mouth valve structure, pipeline and sanitaryware, including duckbill valve body, and the valve body includes liquid portion and feed liquor portion；Liquid outlet is provided at the top of the liquid portion out；The liquid outlet extends to out liquid portion side wall.Duck mouth valve structure described in the utility model can reduction to avoid duckbill valve to water route bore, only preferable counterflow-preventing ability.Under same water flow diameter, decline the size outside water route, avoid pipeline and locally become larger, keeps structure design simple.
Description
Technical field
The utility model relates to a kind of duck mouth valve structures, and use the pipeline and sanitaryware of the structure.
Background technique
Currently, shape is similar as shown in Figure 1, duckbill valve adds staple fibre to be process through special by elastic Neoprene
Duckbilled, therefore claim duckbill valve.In internal no pressure, duckbill outlet closes up under elastic reaction itself；With internal pressure by
Cumulative to add, duckbill outlet is gradually increased, and keeps liquid that can be discharged under high flow rate.Duckbill valve is by rubber flange, valve body and duckbilled
Integral production forms, and has Liner Ferrule flange, can be directly mounted at tank body with metal flange Nature Link, pipeline and
On cofferdam.
Rubber duck-bill valve can prevent backing up of sewage；It prevents sewage or there is the smell of peculiar smell fluid to spread, and can be at any time
Draining.The duckbill valve of currently available technology, is commonly called as: rubber pollution discharge back valve, also known as: back pressure type flexible retaining valve, the valve do not have
There is any movable component, exempts from any maintenance.The valve can be mating to straight tube, flanged pipe, pipe of cement, glass reinforced plastic pipe, the valve
Be widely used in seashore, sandy beach, harbour, reservoir, municipal administration are drained off floodwaters, blowdown, be environment-friendly and green valve, the valve replace flap valve,
Gate thoroughly solves the problems, such as that flap valve is easily blocked by silt, mud, stone, vegetation, marine organisms.Rubber duck-bill valve can be applied
In waterproof system, exhaust system, exit of pump, aerating system product main feature under Boosting pumping station and liquid: rubber flange and valve
Body joins together, installs extremely convenient.Valve body is designed using full rubber, siltation and thing stuck phenomenon will not be caused to occur, drop
Low maintenance cost, and allow solid particle is smooth to pass through.
The refluence of water in order to prevent needs non-return valve in pipeline, but existing duckbill valve one-way valve structures will lead to pipeline
Diameter decline, the resistance that will lead to entire pipeline are substantially increased.Opening size L1, in water flowing, maximum channel is by two
L1 again is perimeter, the circular hole of composition.
As shown in Fig. 2, when liquid outlet opening is 11 millimeters, water flowing diameter is when duckbill valve actual diameter is 14 millimeters
3.14=7 millimeters of 2X11 ÷, the ratio of drift diameter area be diameter square i.e. (7/14)2=0.25, it is seen that area is reduced to
Originally 25%.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of duck mouth valve structures, can be to avoid duckbill valve to water route
The reduction of bore, only preferable counterflow-preventing ability under same water flow diameter, decline water route diameter, avoid pipeline part
Become larger, keeps structure design simple.
In order to solve the above technical problems, the utility model provides a kind of duck mouth valve structure, including duckbill valve body, institute
Stating valve body includes liquid portion and feed liquor portion；Liquid outlet is provided at the top of the liquid portion out；The liquid outlet extends to out liquid portion side
Wall.
The beneficial effect of duck mouth valve structure described in the utility model is: can be to avoid duckbill valve to the drop of water route bore
It is low, only preferable counterflow-preventing ability.Under same water flow diameter, decline the size outside water route, avoids pipeline part
Become larger, keeps structure design simple.
Preferably, all open at the top of the liquid portion out is liquid outlet.
Preferably, the liquid outlet extends to out liquid portion two sides side wall.
Preferably, the liquid outlet extends to out the distance of liquid portion two sides side wall, and the ratio of feed liquor portion diameter is 1/3 to 1.
Preferably, the liquid outlet extends to out the distance of liquid portion two sides side wall, and the ratio of feed liquor portion diameter is 1/2.
Preferably, the feed liquor portion is cylindrical；The Duckbill type valve body, which goes out liquid portion, has elasticity；The valve body passes through method
Blue or card reed is connected with pipeline.The working face of the abnormity sleeve is the curved surface matched with the end surfaces of ring flange.
The utility model additionally provides a kind of pipeline configuration, including pipeline, and the duck mouth valve structure being set on pipeline, packet
Duckbill valve body is included, the valve body includes liquid portion and feed liquor portion；Liquid outlet is provided at the top of the liquid portion out；The liquid outlet
Extend to out liquid portion side wall.
The beneficial effect of pipeline configuration described in the utility model is: can reduction to avoid duckbill valve to water route bore,
Only preferable counterflow-preventing ability.Under same water flow diameter, decline the size outside water route, avoids pipeline and locally become
Greatly, make structure design simple.
Preferably, all open at the top of the liquid portion out is liquid outlet.
Preferably, the liquid outlet extends to out liquid portion two sides side wall；The liquid outlet extends to out liquid portion two sides side wall
Distance, and feed liquor portion diameter ratio be 1/3 to 1.
Preferably, the liquid outlet extends to out the distance of liquid portion two sides side wall, and the ratio of feed liquor portion diameter is 1/2；Institute
It is cylindrical to state feed liquor portion；The Duckbill type valve body, which goes out liquid portion, has elasticity；The valve body passes through flange or card reed and pipeline phase
Connection.The utility model additionally provides a kind of pipeline configuration, including pipeline configuration ontology, and is set on pipeline configuration ontology
Duck mouth valve structure, including duckbill valve body, the valve body include liquid portion and feed liquor portion；Liquid is provided with out at the top of the liquid portion out
Mouthful；The liquid outlet extends to out liquid portion side wall.
The beneficial effect of sanitaryware described in the utility model is: can reduction to avoid duckbill valve to water route bore,
Only preferable counterflow-preventing ability.Under same water flow diameter, decline the size outside water route, avoids pipeline and locally become
Greatly, make structure design simple.
Preferably, all open at the top of the liquid portion out is liquid outlet.
Preferably, the liquid outlet extends to out liquid portion two sides side wall；The liquid outlet extends to out liquid portion two sides side wall
Distance, and feed liquor portion diameter ratio be 1/3 to 1.
Preferably, the liquid outlet extends to out the distance of liquid portion two sides side wall, and the ratio of feed liquor portion diameter is 1/2；Institute
It is cylindrical to state feed liquor portion；The Duckbill type valve body, which goes out liquid portion, has elasticity；The valve body passes through flange or card reed and pipeline phase
Connection.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the schematic diagram of existing duck mouth valve structure；
Fig. 2 is the sectional view of existing duck mouth valve structure；
Fig. 3 is the schematic diagram of duck mouth valve structure described in the utility model embodiment one；
Fig. 4 is the sectional view of duck mouth valve structure described in the utility model embodiment one.
Each appended drawing reference is respectively as follows: 1, duckbill valve body in figure, 2, flange, and 3, go out liquid portion, 4, feed liquor portion, 5, liquid outlet,
6, go out liquid portion side wall.
Specific embodiment
Embodiment one,
As shown in Figure 3, Figure 4, duck mouth valve structure described in the utility model, including duckbill valve body 1, the valve body 1 pass through
Flange 2 or card reed are connected with pipeline.The valve body 1 includes liquid portion 3 and feed liquor portion 4, and the feed liquor portion 4 is cylindrical；Institute
It states Duckbill type valve body 1 and goes out liquid portion 3 with elasticity；It is provided with liquid outlet 5 at the top of the liquid portion 3 out, the liquid outlet 5 extends to out
3 side wall 6 of liquid portion；In internal no pressure, duckbilled liquid outlet 5 closes up under elastic reaction itself；Gradually with internal pressure
Increase, duckbilled liquid outlet 5 is gradually increased, and keeps liquid that can be discharged under high flow rate.The liquid outlet 5 extends to out 3 side of liquid portion
Wall 6, in this way in water flowing, maximum channel is the internal diameter for being essentially identical to cylinder.It can all be opened at the top of the liquid portion 3 out
It puts as liquid outlet 5, largest passages internal diameter can be effectively increased in this way.As shown in figure 3, the liquid outlet 5 preferably extends to out
3 two sides side wall 6 of liquid portion forms two notch in 3 two sides side wall 6 of liquid portion out, and opening size is that the liquid outlet extends to out liquid
The distance of portion two sides side wall, and the ratio of feed liquor portion diameter is 1/3 to 1, not only will be all open at the top of duckbilled, but also side wall 6 is cut
Out after notch, the liquid outlet 5 extends to out 3 two sides side wall 6 of liquid portion, can further effectively increase largest passages internal diameter.It is excellent
The liquid outlet 5 of choosing extends to out the distance of 3 two sides side wall 6 of liquid portion, and the ratio of feed liquor portion diameter is 1/2.The utility model
The duck mouth valve structure, gradually increases with internal pressure, and duckbilled liquid outlet 5 is gradually increased, and keeps liquid that can arrange under high flow rate
Out, and it is described not only by the whole openings in duckbilled top, but also notch has also been carried out on the side wall 6 of 1 cylindrical portions of valve body, this
For sample in water flowing, maximum channel is the internal diameter for being essentially identical to cylinder, avoids reduction of the duckbill valve to water route bore, only
Preferable counterflow-preventing ability.For example, it is desired to which the diameter of duckbill valve needs to be 28 millimeters, and this reality when water flowing diameter is 14 millimeters
It is not required to increase duckbill valve diameter with the novel structure, can still keep 14 millimeters, it is seen that this structure can reduce pipeline ruler
It is very little, it saves under the same water flow diameter in space, declines water route diameter, avoid pipeline and locally become larger, keep structure design simple.
The duck mouth valve structure of this utility model, can be adapted for the various occasions needed using duckbill valve；It can fit
For various equipment, it is particularly suitable for the draining blow-off line of the various sanitarywares such as closestool.
Pipeline configuration described in the utility model, including pipeline, and the duck mouth valve structure being set on pipeline, the duckbill valve
Structure can be set in each position of pipeline, including duckbill valve body 1, and the valve body 1 passes through flange 2 or card reed and pipeline phase
Connection.The valve body 1 includes liquid portion 3 and feed liquor portion 4, and the feed liquor portion 4 is cylindrical；The Duckbill type valve body 1 goes out liquid portion 3
With elasticity；It is provided with liquid outlet 5 at the top of the liquid portion 3 out, the liquid outlet 5 extends to out 3 side wall 6 of liquid portion；In internal nothing
Under pressure condition, duckbilled liquid outlet 5 closes up under elastic reaction itself；It is gradually increased with internal pressure, duckbilled liquid outlet 5 is gradually
Increase, keeps liquid that can be discharged under high flow rate.The liquid outlet 5 extends to out 3 side wall 6 of liquid portion, in this way in water flowing, most
Big channel is the internal diameter for being essentially identical to cylinder.It is described go out liquid portion 3 at the top of can all open be liquid outlet 5, in this way can be with
Effectively increase largest passages internal diameter.As shown in figure 3, the liquid outlet 5 preferably extends to out 3 two sides side wall 6 of liquid portion, in liquid out
3 two sides side wall 6 of portion forms two notch, and opening size is that the liquid outlet extends to out the distance of liquid portion two sides side wall, with into
After the ratio of liquid portion diameter is 1/3 to 1, not only will be all open at the top of duckbilled, but also side wall 6 cuts out notch, the liquid outlet 5 prolongs
3 two sides side wall 6 of liquid portion is extended to out, largest passages internal diameter can be further effectively increased.The preferred liquid outlet 5 extends to out
The distance of 3 two sides side wall 6 of liquid portion, and the ratio of feed liquor portion diameter is 1/2.Duck mouth valve structure described in the utility model is pressed with inside
Power gradually increases, and duckbilled liquid outlet 5 is gradually increased, and keeps liquid that can be discharged under high flow rate, and described not only by duckbilled top
Portion is all open, and has also carried out notch on the side wall 6 of 1 cylindrical portions of valve body, in this way in water flowing, maximum channel
It is the internal diameter for being essentially identical to cylinder, avoids reduction of the duckbill valve to water route bore, only preferable counterflow-preventing ability.For example,
Need water flowing diameter be 14 millimeters when, the diameter of duckbill valve needs to be 28 millimeters, and structure described in the utility model is not required to increase
Big duckbill valve diameter, can still keep 14 millimeters, under same water flow diameter, decline water route diameter, avoid pipeline and locally become
Greatly, make structure design simple.
Pipeline described in the utility model can be the various blow-off lines needed using duckbill valve, preferably be applied to horse
The draining blow-off line of the sanitarywares such as bucket.
Sanitaryware described in the utility model, including sanitaryware ontology, and the duckbilled being set on sanitaryware ontology
Valve arrangement, the duck mouth valve structure can be set in each position of sanitaryware ontology, and the duck mouth valve structure includes duckbilled
Shape valve body 1, the valve body 1 are connected by flange 2 or card reed with pipeline.The valve body 1 includes liquid portion 3 and feed liquor portion 4, institute
It is cylindrical to state feed liquor portion 4；The Duckbill type valve body 1, which goes out liquid portion 3, has elasticity；Liquid outlet is provided at the top of the liquid portion 3 out
5, the liquid outlet 5 extends to out 3 side wall 6 of liquid portion；In internal no pressure, duckbilled liquid outlet 5 is in elastic reaction itself
Under close up；It is gradually increased with internal pressure, duckbilled liquid outlet 5 is gradually increased, and keeps liquid that can be discharged under high flow rate.It is described go out
Liquid mouth 5 extends to out 3 side wall 6 of liquid portion, and in this way in water flowing, maximum channel is the internal diameter for being essentially identical to cylinder.It is described
Can all open at the top of liquid portion 3 out is liquid outlet 5, can effectively increase largest passages internal diameter in this way.As shown in figure 3, described
Liquid outlet 5 preferably extends to out 3 two sides side wall 6 of liquid portion, forms two notch in 3 two sides side wall 6 of liquid portion out, opening size is
The liquid outlet extends to out the distance of liquid portion two sides side wall, and the ratio of feed liquor portion diameter is 1/3 to 1, not only will be at the top of duckbilled
After whole is open, and side wall 6 cuts out notch, the liquid outlet 5 extends to out 3 two sides side wall 6 of liquid portion, can further effectively
Increase largest passages internal diameter.The preferred liquid outlet 5 extends to out the distance of 3 two sides side wall 6 of liquid portion, with feed liquor portion diameter
Than being 1/2.Duck mouth valve structure described in the utility model, gradually increases with internal pressure, and duckbilled liquid outlet 5 is gradually increased, and keeps
Liquid can be discharged under high flow rate, and described not only by the whole openings in duckbilled top, but also in the side wall of 1 cylindrical portions of valve body
Also notch has been carried out on 6, in this way in water flowing, maximum channel is the internal diameter for being essentially identical to cylinder, avoids duckbill valve pair
The reduction of water route bore, only preferable counterflow-preventing ability.For example, it is desired to when water flowing diameter is 14 millimeters, the diameter of duckbill valve
It needs to be 28 millimeters, and structure described in the utility model is not required to increase duckbill valve diameter, can still keep 14 millimeters, same water
It circulates under diameter, declines water route diameter, avoid pipeline and locally become larger, keep structure design simple.
Sanitaryware described in the utility model can be the various sanitarywares needed using duckbill valve, preferred to apply
In closestool.
The utility model is not limited to embodiment discussed above.Above to the description of specific embodiment be intended to for
Description and explanation the utility model relates to technical solution.Obvious transformation or substitution based on the utility model enlightenment
It should also be as being considered within the protection scope of the utility model.Above specific embodiment is used to disclose the utility model most
Good implementation method, so that those skilled in the art can be using the numerous embodiments of the utility model and a variety of
Alternative reaches the purpose of this utility model.
Claims (14)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613671.5U CN208750082U (en) | 2018-09-30 | 2018-09-30 | Duckbill valve structure, piping and sanitary products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613671.5U CN208750082U (en) | 2018-09-30 | 2018-09-30 | Duckbill valve structure, piping and sanitary products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208750082U true CN208750082U (en) | 2019-04-16 |
Family
ID=66085376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821613671.5U Active CN208750082U (en) | 2018-09-30 | 2018-09-30 | Duckbill valve structure, piping and sanitary products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208750082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341633A (en) * | 2022-08-15 | 2022-11-15 | 中霖中科环境科技（安徽）股份有限公司 | Anti-backflow device for drainage and preparation method |
-
2018
- 2018-09-30 CN CN201821613671.5U patent/CN208750082U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341633A (en) * | 2022-08-15 | 2022-11-15 | 中霖中科环境科技（安徽）股份有限公司 | Anti-backflow device for drainage and preparation method |
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