CN112443689A - Air-permeable valve with water vapor blocking function - Google Patents
Air-permeable valve with water vapor blocking functionDownload PDFInfo
- Publication number
- CN112443689A CN112443689ACN201910811302.XACN201910811302ACN112443689ACN 112443689 ACN112443689 ACN 112443689ACN 201910811302 ACN201910811302 ACN 201910811302ACN 112443689 ACN112443689 ACN 112443689A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- water vapor
- diaphragm
- elastic
- 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.)
- Pending
Links
Images
Classifications
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
- F16K17/16—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0236—Diaphragm cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
Translated fromChinese
Description
Technical Field
The invention relates to the field of sealing products, in particular to a vent valve with a water vapor barrier function.
Background
Be applied to waterproof ventilation valve on seal chamber in the different fields of market at present, the primary action plays waterproof, ventilative effect, its common point lies in all needing two-way ventilative, ventilative function mainly depends on there is one deck polymer film inside the product, the principal ingredients is polytetrafluoroethylene, its principle is for there is the pressure differential condition when the internal and external environment, will make gas realize two-way ventilation function through this layer film, be in very humid environment when natural environment, steam can act on in seal chamber's ventilative valve or the explosion-proof valve film enter into seal chamber, make and form phenomenons such as condensation in the seal chamber, long-time work easily causes inside functional numerical value to reduce.
In order to guarantee the service life of a product, the final effect is not stable due to the fact that a desiccant and other moisture-proof prevention devices are placed inside a sealed cavity in a conventional mode at present, the service life is limited, and the maintenance cost and the use procedures are increased due to the fact that the desiccant and other moisture-proof prevention devices need to be regularly maintained and replaced after long-term use. Related research is also being conducted.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a vent valve with a function of blocking water vapor, so as to solve the problems mentioned in the background art.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a ventilation valve with the function of blocking water vapor comprises a diaphragm, a valve body and an elastic piece, wherein a sealing cavity is arranged in the valve body, a sealing piece is arranged outside the lower end of the valve body, a protection piece is arranged at the lower end of the valve body, the diaphragm is fixed on the valve body, the elastic piece is arranged in the valve body and is positioned on the upper portion of the diaphragm, a pressing piece covers the upper portion of the elastic piece, a pressing cover is fixed above the pressing piece and covers the uppermost end of the valve body, when the internal pressure generated along with the temperature rise in the valve body is larger than the external pressure, positive pressure difference is formed, at the moment, outward exhaust is realized through the bouncing effect of the diaphragm and the elastic piece, finally when the internal pressure of the valve body is balanced with the external pressure, the elastic piece is an elastic body and can automatically recover to the previous state, when the internal pressure is smaller than the external pressure due to the temperature reduction in the valve body, the elastic part is enabled to compress the sealing surface, so that the instant sealing effect is realized, external water vapor or water vapor is prevented from being blocked outside the elastic part, the problem of isolating external water vapor and water vapor is finally solved, and the external dust, salt mist particles and waterproof functions can be realized.
As a further scheme of the embodiment of the invention: the protection piece adopts the protection steel sheet, and the protecting effect is good, and the elastic component adopts the preparation of flexible glue elastic material, and when forming the negative pressure, flexible glue elastic material can ftracture this moment, and the fracture position compresses tightly sealed face, and sealed effect is better.
As a further scheme of the embodiment of the invention: the ejector pin is arranged in the valve body, when the inside of the sealing cavity of the product is in an abnormal state, the internal instant air pressure can act on the diaphragm at the moment, and the ejector pin of the valve body punctures (or the diaphragm breaks away from the valve body instantly) under the combined action, so that the diaphragm punctures instantly, and the effect of direct explosion-proof pressure relief is achieved through the elastic action of the elastic piece and the outside.
As a further scheme of the embodiment of the invention: the protection piece adopts the mode of hot melt to fasten with the valve body, and the diaphragm adopts hot melt or ultrasonic bonding's mode to be fixed with the valve body, convenient operation, and fixed effectual is difficult for droing.
As a further scheme of the embodiment of the invention: all adopt interference fit between sealing member and the valve body and between elastic component and the compressing tightly piece, sealing member and valve body adopt modes such as screw thread, buckle, flange to install, excellent in use effect.
As a further scheme of the embodiment of the invention: the pressing piece and the gland adopt an integrated structure, are not easy to fall off and have good connection firmness.
As a further scheme of the embodiment of the invention: the valve body is provided with a plurality of straight through groove structures with different shapes and specifications and is mainly used for ventilation, support or other functions.
As a further scheme of the embodiment of the invention: a protection structure is arranged on one side of the sealing cavity of the valve body, and has a protection function, and a steel mesh or a latticed supporting layer is preferably selected as the protection structure.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
the product is reasonable in design, the air pressure of a finished product finally reaches a state of internal and external pressure balance through the matching of the valve body, the sealing element, the membrane, the elastic element, the pressing element and other components, external water vapor or water vapor can be prevented from entering the sealing cavity, the product can be used for a long time, and the product does not need to be replaced at regular time, so that the condensation problem can be avoided, the maintenance cost is reduced, and the service lives of the product, original devices of equipment and the like are finally prolonged;
the product can realize rapid pressure relief blasting under fixed-point pressure through the matching of the ejector pin and the diaphragm, and prevent other structural parts from being damaged due to overlarge pressure;
the protection grade of the product reaches the standard above IP67, and the product conforms to the IPXXD and IPXXB standards and has wide application range.
Drawings
Fig. 1 is an exploded view of a breather valve with a moisture barrier.
Fig. 2 is a perspective view of a breather valve with a moisture barrier function.
Fig. 3 is a bottom view of a breather valve with a moisture barrier.
Fig. 4 is a cross-sectional view of a breather valve with a moisture barrier function.
Fig. 5 is a schematic structural diagram of a valve body in the vent valve with the function of blocking water vapor.
Wherein: 1-protective part, 2-sealing part, 3-diaphragm, 4-valve body, 5-elastic part, 6-pressing part and 7-gland.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
A ventilation valve with the function of blocking water vapor comprises a diaphragm 3, avalve body 4 and an elastic part 5, wherein a sealing cavity is arranged in thevalve body 4, a sealing part 2 is arranged outside the lower end of thevalve body 4, a protection part 1 is arranged at the lower end of thevalve body 4, the diaphragm 3 is fixed on thevalve body 4, the elastic part 5 is arranged in thevalve body 4, the elastic part 5 is positioned on the upper part of the diaphragm 3, a pressing part 6 is covered on the upper part of the elastic part 5, a pressing cover 7 is fixed on the upper part of the pressing part 6, the pressing cover 7 is covered on the uppermost end of thevalve body 4, when the internal pressure generated along with the temperature rise in thevalve body 4 is greater than the external pressure, positive pressure difference is formed, the outward exhaust is realized through the bouncing effect of the diaphragm 3 and the elastic part 5, finally when the internal pressure of thevalve body 4 is balanced with the external pressure, the elastic part 5 is an, form the negative pressure this moment, on external steam or steam can be used for elastic component 5 through the effort of outside-in, impel elastic component 5 to compress tightly sealed face, realize sealed effect in the twinkling of an eye to make external steam or steam separation outside elastic component 5, finally reached the problem of isolated outside steam and steam, can realize external separation dust, salt fog granule and waterproof function.
In order to have better using effect, the protection part 1 is made of a protection steel sheet, the protection effect is good, the elastic piece 5 is made of a soft rubber elastic material, a plurality of straight through grooves which are not limited in shape are arranged on the periphery or in the middle of the elastic piece, the straight through grooves are irregularly arranged, the shape is not limited, when negative pressure is formed, the soft rubber elastic material can crack, the crack position compresses a sealing surface, and the sealing effect is better.
Further, thevalve body 4 is provided with a thimble, when the inside of the sealed cavity of the product is in an abnormal state, the internal instant air pressure can act on the diaphragm 3 at the moment, and the thimble of thevalve body 4 punctures (or the diaphragm 3 breaks away from thevalve body 4 in the moment) to enable the diaphragm 3 to puncture in the moment, so that the effect of direct explosion-proof pressure relief is achieved through the elastic action of the elastic part 5 and the outside.
Furthermore, a plurality of straight through groove structures with different shapes and specifications are arranged in thevalve body 4, and the straight through groove structures are matched with the straight through grooves in the elastic piece and are mainly used for ventilation, support or other functions.
Furthermore, a protection structure is arranged on one side of the sealing cavity of thevalve body 4, and has a protection function, and a steel mesh or a latticed supporting layer is preferably selected as the protection structure.
Example 2
A ventilation valve with the function of blocking water vapor comprises a diaphragm 3, avalve body 4 and an elastic part 5, wherein a sealing cavity is arranged in thevalve body 4, a sealing part 2 is arranged outside the lower end of thevalve body 4, a protection part 1 is arranged at the lower end of thevalve body 4, the diaphragm 3 is fixed on thevalve body 4, the elastic part 5 is positioned in thevalve body 4, the elastic part 5 is positioned on the upper part of the diaphragm 3, a pressing part 6 is pressed in the upper part of the elastic part 5, a gland 7 is pressed in the upper part of the pressing part 6, the gland 7 covers the uppermost end of thevalve body 4, when the internal pressure generated along with the temperature rise in thevalve body 4 is greater than the external pressure, positive pressure difference is formed, at the moment, the outward exhaust is realized through the elastic action of the diaphragm 3 and the elastic part 5, and finally when the internal pressure of thevalve body 4 is balanced with the external pressure, the elastic part 5 is an, form the negative pressure this moment, on external steam or steam can be used for elastic component 5 through the effort of outside-in, impel elastic component 5 to compress tightly sealed face, realize sealed effect in the twinkling of an eye to make external steam or steam separation outside elastic component 5, finally reached the problem of isolated outside steam and steam, can realize external separation dust, salt fog granule and waterproof function.
In order to ensure the fixing effect, the protection part 1 is fastened with thevalve body 4 in a hot melting mode, and the membrane 3 is fixed with thevalve body 4 in a hot melting or ultrasonic welding mode, so that the operation is convenient and the falling is not easy to occur.
Further, all adopt interference fit between sealing member 2 and thevalve body 4 and between elastic component 5 and the piece 6 that compresses tightly, the cross sectional shape of sealing member 2 is unlimited, and sealing member 2 andvalve body 4 adopt modes such as screw thread, buckle, flange to install, excellent in use effect.
Furthermore, the pressing piece 6 and the gland 7 are of an integrated structure, are not easy to fall off, and are good in connection firmness.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a ventilation valve with separation steam effect, includes diaphragm (3), valve body (4) and elastic component (5), be provided with seal chamber in valve body (4), externally mounted has sealing member (2) of valve body (4) lower extreme, and protection piece (1) are installed to valve body (4) lower extreme, its characterized in that, diaphragm (3) are fixed on valve body (4), and install in valve body (4) elastic component (5) and elastic component (5) are located the upper portion of diaphragm (3), and the top of elastic component (5) covers and has to compress tightly piece (6) and the top that compresses tightly piece (6) is fixed with gland (7).
2. The ventilation valve with water vapor barrier function according to claim 1, characterized in that the protection piece (1) is made of a protection steel sheet, and the elastic piece (5) is made of a soft rubber elastic material.
3. The gas vent valve with water vapor barrier function according to claim 1, wherein a thimble is arranged in the valve body (4).
4. The vapor-barrier vent valve as claimed in claim 1, wherein the protective element (1) is fastened to the valve body (4) by means of heat fusion, and the membrane (3) is fixed to the valve body (4) by means of heat fusion or ultrasonic welding.
5. The gas vent valve with water vapor barrier function according to claim 1, wherein interference fit is adopted between the sealing member (2) and the valve body (4) and between the elastic member (5) and the pressing member (6).
6. The gas vent valve with water vapor barrier function according to claim 1, wherein the pressing piece (6) and the pressing cover (7) are of an integral structure.
7. The breather valve with water vapor barrier function according to claim 1, characterized in that a plurality of straight-through groove structures with different shapes and specifications are arranged in the valve body (4).
8. The gas vent valve with water vapor barrier function according to claim 1 or 7, characterized in that a protective structure is arranged on one side of the sealed cavity of the valve body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910811302.XACN112443689A (en) | 2019-08-30 | 2019-08-30 | Air-permeable valve with water vapor blocking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910811302.XACN112443689A (en) | 2019-08-30 | 2019-08-30 | Air-permeable valve with water vapor blocking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112443689Atrue CN112443689A (en) | 2021-03-05 |
Family
ID=74742225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910811302.XAPendingCN112443689A (en) | 2019-08-30 | 2019-08-30 | Air-permeable valve with water vapor blocking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112443689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113919192A (en)* | 2021-08-31 | 2022-01-11 | 北京宇航系统工程研究所 | A differential pressure barrier structure and processing method using laser forming |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5964446A (en)* | 1996-08-21 | 1999-10-12 | Fisher Controls International, Inc. | Elastomeric element valve |
| KR100623196B1 (en)* | 2005-06-29 | 2006-09-13 | 고원종 | Dry Valve Subvalve |
| CN201133502Y (en)* | 2007-10-30 | 2008-10-15 | 武汉元丰汽车技术发展有限公司 | Automotive tyre valve |
| CN106090365A (en)* | 2016-07-29 | 2016-11-09 | 惠州市沃瑞科技有限公司 | A kind of plastic parts explosion-proof relief balanced valve of Fast Installation |
| CN107218418A (en)* | 2017-05-06 | 2017-09-29 | 惠州市乐德新枝科技有限公司 | A kind of explosion-proof waterproof vent valve |
| CN208719497U (en)* | 2018-04-23 | 2019-04-09 | 东莞蒲微防水透气膜材料有限公司 | A kind of explosion-proof valve for inflating spool, fast aeration detection box leakproofness |
| CN211474977U (en)* | 2019-08-30 | 2020-09-11 | 惠州市沃瑞科技有限公司 | Air-permeable valve with water vapor blocking function |
- 2019
- 2019-08-30CNCN201910811302.XApatent/CN112443689A/enactivePending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5964446A (en)* | 1996-08-21 | 1999-10-12 | Fisher Controls International, Inc. | Elastomeric element valve |
| KR100623196B1 (en)* | 2005-06-29 | 2006-09-13 | 고원종 | Dry Valve Subvalve |
| CN201133502Y (en)* | 2007-10-30 | 2008-10-15 | 武汉元丰汽车技术发展有限公司 | Automotive tyre valve |
| CN106090365A (en)* | 2016-07-29 | 2016-11-09 | 惠州市沃瑞科技有限公司 | A kind of plastic parts explosion-proof relief balanced valve of Fast Installation |
| CN107218418A (en)* | 2017-05-06 | 2017-09-29 | 惠州市乐德新枝科技有限公司 | A kind of explosion-proof waterproof vent valve |
| CN208719497U (en)* | 2018-04-23 | 2019-04-09 | 东莞蒲微防水透气膜材料有限公司 | A kind of explosion-proof valve for inflating spool, fast aeration detection box leakproofness |
| CN211474977U (en)* | 2019-08-30 | 2020-09-11 | 惠州市沃瑞科技有限公司 | Air-permeable valve with water vapor blocking function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113919192A (en)* | 2021-08-31 | 2022-01-11 | 北京宇航系统工程研究所 | A differential pressure barrier structure and processing method using laser forming |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2024109564A (en) | Vent with relief valve | |
| CN201909072U (en) | Waterproof, dustproof, ventilated and heat-dissipating breathing device of outdoor seal equipment | |
| CN105529423A (en) | New energy battery explosion-proof valve | |
| CN212690949U (en) | Explosion-proof valve and battery pack with same | |
| CN209747617U (en) | Balance explosion-proof valve with built-in umbrella type blasting repairing type | |
| CN112443689A (en) | Air-permeable valve with water vapor blocking function | |
| CN208816755U (en) | A pressure-relieving waterproof breathable valve | |
| CN205264782U (en) | Explosion -proof valve of new forms of energy battery | |
| CN211474977U (en) | Air-permeable valve with water vapor blocking function | |
| CN205978682U (en) | Explosion -proof pressure release balanced valve of plastic part of quick installation | |
| CN210751987U (en) | Waterproof ventilation valve that can adjust | |
| CN214278064U (en) | Waterproof dustproof gas sensor | |
| CN214681772U (en) | Voltage-sharing device and environmental test chamber | |
| CN106958675B (en) | An elastic body structure waterproof and breathable explosion-proof valve | |
| CN206988488U (en) | A kind of body structure formula waterproof and breathable explosion-proof valve | |
| CN210716178U (en) | Integrated waterproof breathable explosion-proof valve | |
| CN209401672U (en) | A kind of battery case | |
| CN217153147U (en) | Modular ventilative subassembly of pressure release of positive negative pressure installation | |
| CN103762324B (en) | Exhaust safety valve for lead-acid storage battery and production process thereof | |
| CN203743558U (en) | Novel waterproof ventilation valve | |
| CN206282914U (en) | A kind of explosion-proof balanced valve of battery | |
| CN201410242Y (en) | Half face shield with high sealing performance | |
| CN110190698A (en) | A water-proof structure for a starter | |
| CN212004452U (en) | A high-protection vent valve balance assembly | |
| CN211798347U (en) | Intelligent gas mask |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |