CN208792444U - A kind of automatic air intaking valve for low-pressure drainage system - Google Patents
A kind of automatic air intaking valve for low-pressure drainage system Download PDFInfo
- Publication number
- CN208792444U CN208792444U CN201821451202.8U CN201821451202U CN208792444U CN 208792444 U CN208792444 U CN 208792444U CN 201821451202 U CN201821451202 U CN 201821451202U CN 208792444 U CN208792444 U CN 208792444U
- Authority
- CN
- China
- Prior art keywords
- drainage system
- low
- intaking valve
- pressure drainage
- automatic air
- 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.)
- Active
Links
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of automatic air intaking valves for low-pressure drainage system, it solves the problems, such as that water flow stagnant resistance in pipeline part is unable to automatic dredging in the prior art, when the retardance of local pipeline, inlet valve can automatically open air inlet, realize self dredging to vacuum line by positive and negative pressure；Its technical solution are as follows: including the upper housing being fixedly connected and lower case, there is guiding device inside upper housing, the regulator for adjusting cracking pressure is equipped with inside the guiding device, guiding device is fixedly connected with the sealing element being set to inside lower case；Sealing is contacted under normal condition between the sealing element and lower case；Guiding device band dynamic seal acts upwards when arrested state, and air enters from air inlet, is dredged by positive and negative pressure.
Description
Technical field
The utility model relates to vacuum drainage technical fields, more particularly to can be realized to low-pressure drainage system vacuum line
A kind of automatic air intaking valve for low-pressure drainage system of self dredging.
Background technique
Low-pressure drainage system due to its is water-saving, pipe laying is flexible and it is environmentally friendly the advantages that, be widely used in railway in recent years, build
It builds, municipal administration, ship, the fields such as aviation.Low-pressure drainage system is by terminal device, vacuum line, vacuum generating device and control system
System composition.To reach preferable suction effect, vacuum line is generally serrated, and is placed in decker sandwich or is embedded in underground.
But often due to design does not pay attention to, construct violation and other reasons, it may appear that the stagnant resistance phenomenon of pipeline part water flow, from
And cause terminal device response slow or even inoperable situation.
In the prior art for how the stagnant resistance problem of automatic dredging pipeline part water flow, still lack it is a kind of simple and effective and
Reliable solution.
Utility model content
A kind of automatic air-breathing for low-pressure drainage system that in order to overcome the deficiencies of the prior art, the utility model provides
Valve, when the retardance of local pipeline, inlet valve can automatically open air inlet, realize self dredging to vacuum line by positive and negative pressure
It is logical.
A kind of automatic air intaking valve for low-pressure drainage system, including the upper housing being fixedly connected and lower case, upper housing
Inside has guiding device, is equipped with the regulator for adjusting cracking pressure inside the guiding device, guiding device with
Sealing element inside lower case is fixedly connected；
Sealing is contacted under normal condition between the sealing element and lower case；Guiding device band dynamic seal when arrested state
Movement upwards, air enter from air inlet, are dredged by positive and negative pressure.
Further, the guiding device includes guide tube, and elastic component is equipped with inside guide tube, at the top of the elastic component setting with
The connected block of guide tube.
Further, the elastic component is spring, and spring pocket is set on the outside of regulator.
Further, the guide tube is connected with sealing element by connector.
Further, there is cavity inside the guide tube.
Further, the regulator includes adjusting rod, and adjusting rod top is connected by locknut with upper housing.
Further, the end of the adjusting rod has step.
Further, diaphragm is equipped between the upper housing and lower case, upper housing is connected with lower case by fixing piece.
Further, the upper housing, lower case are using high molecular material through being molded.
Compared with prior art, the utility model has the beneficial effects that
(1) the automatic air intaking valve structure of the utility model is simple, high reliablity, and inside has adjusting rod, can adjust open
Open pressure, it is easy to install and use, there is adjustability；
(2) the utility model can be realized self dredging of vacuum line, reduces pipeline blockage probability, increases simultaneously
The availability of terminal device, correspondingly reduces equipment maintenance cost；
(3) the replaceable existing automatically controlled getter device of the automatic air intaking valve of the utility model, is not necessarily to larger transformation.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the cross-sectional view of the utility model；
Wherein, 1- lower case, 2- sealing element, 3- diaphragm, 4- upper housing, 5- guide tube, 6- spring, 7- block, 8- adjusting rod,
9- locknut, 10- fixing piece, 11- connector, 12- air inlet, 13- vacuum end.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, the stagnant resistance of pipeline part water flow exists in the prior art and is unable to automatic dredging not
Foot, in order to solve technical problem as above, present applicant proposes a kind of automatic air intaking valves for low-pressure drainage system.
In a kind of typical embodiment of the application, as shown in Figure 1, provide it is a kind of for low-pressure drainage system from
Dynamic inlet valve can be used for low-pressure drainage system, including upper housing 4, lower case 1, guiding device, regulator, and upper housing 4 is under
Shell 1 is connected by fixing piece 10, and diaphragm 3 is equipped between upper housing 4 and lower case 1.
It does not limit the structure of fixing piece 10 herein, is fixedly connected with upper housing 4 with lower case 1 as long as being able to achieve.
There is the space for guiding device movement, 1 one end of lower case is inlet end, the other end inside the upper housing 4
For vacuum end 13.
The guiding device includes guide tube 5, elastic component and block 7, wherein guide tube 5 be cylindrical structure, top opening,
Inside has cavity, and 5 bottom end outer diameter of guide tube is greater than its main part outer diameter.
Preferably, the elastic component is spring 6.
Spring 6 is set in 5 internal cavities of guide tube, and 6 top of spring is connected with block 7, and block 7 is fixedly connected with guide tube 5；
Spring 6 is sheathed on the outside of regulating device, and 6 bottom end of spring is fixed with regulating device.
The regulating device includes adjusting rod 8, and adjusting rod 8 can be moved up and down along 5 internal cavities of guide tube；The adjusting rod 8
Bottom end there is step, contact 8 bottom end of adjusting rod with 5 inner wall of guide tube, except 8 diameter of adjusting rod of step part is less than guide tube 5
Internal diameter.
The spring 6 is sheathed on 8 outer circumferential of adjusting rod, and 6 end of spring is fixed with 8 bottom end step of adjusting rod.
Adjusting rod passes through block and extends on the outside of upper housing, is connected between adjusting rod and upper housing by locknut, locknut 9
For cooperating adjusting rod 8 to work.
Adjusting rod 8 can adjust the cracking pressure of inlet valve by inwardly or outwardly revolving, and can realize and adjust pressure
Visualization.
It is equipped with sealing element 2 inside the lower case 1, is connected between sealing element 2 and guide tube 5 by connector 11, and diaphragm 3
Between sealing element 11 and guide tube 5.
Sealing element 2, diaphragm 3 are made of rubber, play sealing function.
Spring 6 is in compressive state under normal condition, and the sealing element 2 blocks 1 inlet end of lower case, sealing element 2 with
Sealing is contacted between lower case 1；Guide rod 8 acts upwards with dynamic seal 2 when arrested state, and air enters from air inlet 12,
It is dredged by positive and negative pressure.
The upper housing, lower case are using high molecular material through being molded.
The working principle of the application are as follows:
When the systems are operating normally, sealing is contacted between sealing element 2 and lower case 1；When local pipeline blocks so that pipeline
When rear end vacuum degree is lower than setting value, spring 6 stretches, and is acted upwards by block 7, guide tube 5 with dynamic seal 2, diaphragm 3, empty
Gas enters from air inlet 12.
Under atmosphere and vacuum inside and outside differential pressure, after dredging at retardance, the application automatic air intaking valve relies on pull of vacuum, sealing
Part 2 is formed with lower case 1 again and is sealed.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (9)
1. a kind of automatic air intaking valve for low-pressure drainage system, which is characterized in that including the upper housing and lower casing being fixedly connected
Body, upper housing inside have guiding device, the regulator for adjusting cracking pressure are equipped with inside the guiding device, is led
It is fixedly connected to device with the sealing element being set to inside lower case；
Sealing is contacted under normal condition between the sealing element and lower case；Guiding device band dynamic seal is upward when arrested state
Movement, air enter from air inlet, are dredged by positive and negative pressure.
2. a kind of automatic air intaking valve for low-pressure drainage system according to claim 1, which is characterized in that the guiding
Device includes guide tube, and elastic component, the block that setting is connected with guide tube at the top of the elastic component are equipped with inside guide tube.
3. a kind of automatic air intaking valve for low-pressure drainage system according to claim 2, which is characterized in that the elasticity
Part is spring, and spring pocket is set on the outside of regulator.
4. a kind of automatic air intaking valve for low-pressure drainage system according to claim 2, which is characterized in that the guide tube
It is connected with sealing element by connector.
5. a kind of automatic air intaking valve for low-pressure drainage system according to claim 2, which is characterized in that the guide tube
Inside has cavity.
6. a kind of automatic air intaking valve for low-pressure drainage system according to claim 1 or 3, which is characterized in that described
Regulator includes adjusting rod, and adjusting rod top is connected by locknut with upper housing.
7. a kind of automatic air intaking valve for low-pressure drainage system according to claim 6, which is characterized in that the adjusting
The end of bar has step.
8. a kind of automatic air intaking valve for low-pressure drainage system according to claim 1, which is characterized in that the upper casing
Diaphragm is equipped between body and lower case, upper housing is connected with lower case by fixing piece.
9. a kind of automatic air intaking valve for low-pressure drainage system according to claim 1, which is characterized in that the upper casing
Body, lower case are using high molecular material through being molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451202.8U CN208792444U (en) | 2018-09-05 | 2018-09-05 | A kind of automatic air intaking valve for low-pressure drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451202.8U CN208792444U (en) | 2018-09-05 | 2018-09-05 | A kind of automatic air intaking valve for low-pressure drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208792444U true CN208792444U (en) | 2019-04-26 |
Family
ID=66208519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821451202.8U Active CN208792444U (en) | 2018-09-05 | 2018-09-05 | A kind of automatic air intaking valve for low-pressure drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208792444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098232A (en) * | 2018-09-05 | 2018-12-28 | 山东中车华腾环保科技有限公司 | A kind of automatic air intaking valve for low-pressure drainage system |
-
2018
- 2018-09-05 CN CN201821451202.8U patent/CN208792444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098232A (en) * | 2018-09-05 | 2018-12-28 | 山东中车华腾环保科技有限公司 | A kind of automatic air intaking valve for low-pressure drainage system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207145732U (en) | A kind of gas emergency cut-off valve | |
| CN111609197B (en) | Combined type exhaust valve | |
| CN208792444U (en) | A kind of automatic air intaking valve for low-pressure drainage system | |
| CN111576569A (en) | Flushing button and vacuum closestool | |
| CN109098232A (en) | A kind of automatic air intaking valve for low-pressure drainage system | |
| CN201103377Y (en) | Gas pressure maintaining device of petroleum casing pipe | |
| CN206103166U (en) | Steady voltage fire hydrant that pressure monitoring is timely | |
| CN207486323U (en) | A kind of IN process measure and control device | |
| CN215721115U (en) | Steam combination regulating valve | |
| CN214618481U (en) | Split air valve with adjustable water hammer preventing device | |
| CN207935529U (en) | A kind of ball-cock assembly | |
| CN206103173U (en) | Steady voltage fire hydrant | |
| CN208364873U (en) | Gas pressure regulator, governor special signal pipe bidirectional damper valve | |
| CN104747763A (en) | Current limiting check valve | |
| CN2786312Y (en) | Self-filling device of water pump | |
| CN202484515U (en) | Protective device for forward water hammer | |
| CN111714751A (en) | Humidifying tank and respiratory therapy equipment | |
| CN202521003U (en) | Gas pressure regulator | |
| CN207700283U (en) | Three pot type network pressure superposition water supply systems | |
| CN206545611U (en) | A kind of novel evacuated generator | |
| CN206159618U (en) | Combined type exhaust valve with buffer | |
| CN216382731U (en) | Novel oil and gas exploitation valve of structure | |
| CN209240648U (en) | A kind of sucker regulator of computer direct plate maker | |
| CN207661926U (en) | A kind of whole sanitary unit structure for preventing return air on ship | |
| CN203784399U (en) | Low-maintenance type pressure relief/sustaining valve provided with external spring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230224 Address after: 215557 Zhengwen Road, Yushan High-tech Industrial Park, Changshu, Suzhou, Jiangsu Province Patentee after: Jiangsu CRRC Huateng Environmental Protection Technology Co.,Ltd. Address before: 250101 No. 3666 Century Avenue, Jinan High-tech Zone, Shandong Province Patentee before: SHANDONG CRRC HUATENG ENVIRONMENT Co.,Ltd. |