CN105156742B - A kind of air bleeding valve - Google Patents
A kind of air bleeding valve Download PDFInfo
- Publication number
- CN105156742B CN105156742B CN201510593178.6A CN201510593178A CN105156742B CN 105156742 B CN105156742 B CN 105156742B CN 201510593178 A CN201510593178 A CN 201510593178A CN 105156742 B CN105156742 B CN 105156742B
- Authority
- CN
- China
- Prior art keywords
- exhaust outlet
- air bleeding
- valve
- sealing gasket
- floating ball
- 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
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
- F16K31/22—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with the float rigidly connected to the valve
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
Abstract
The invention discloses a kind of air bleeding valves, are related to valve technology field.The air bleeding valve of the present invention includes the valve body equipped with cavity, the valve body is connected to equipped with exhaust outlet with the cavity, floating ball is equipped in the cavity, the floating ball is fixed in the middle part of guide rod, the guide rod can be moved up and down along the relatively described valve body of axis of the exhaust outlet, it controls the floating ball and is arranged between the sealing element of exhaust outlet lower end to be closed and form sealing, it is additionally provided with elastic sealing gasket on the top of the guide rod, while floating ball and the sealing element are formed and are sealed or before, the elastic sealing gasket can convex to form sealing cooperation with being set on the inner wall of the exhaust outlet.A kind of air bleeding valve proposed by the present invention, the leakage phenomenon that previous air bleeding valve can be overcome to occur in internal no pressure or relatively low pressure, can ensure the leakproofness of air bleeding valve, prevent the wasting of resources, environmental disruption or safety accident.
Description
Technical field
The present invention relates to valve technology field more particularly to a kind of air bleeding valves.
Background technology
Air bleeding valve is applied to independent heating system, central heating system, heating boiler, central air-conditioning, floor heating and too
The pipeline air exhaust waters such as positive energy heating system.Because usually all dissolved with certain air in water, and the solubility of air is with temperature
Raising and reduce, such water gas during cycle gradually is separated from the water out, and gradually get together to be formed it is big
Bubble even air column often have gas generation because there is the supplement of water, it is therefore desirable on pipeline setting air bleeding valve into
Row exhaust.
General heavy caliber rapid escape valve has the function of gas in quick purging line, but when the pressure mistake in pipeline
When low (being less than 0.02MPa), the power acted on floating ball reduces, and the sealing force deficiency between floating ball and sealing ring leads to sealing pair
Between seal pressure it is small, medium in valve body is easy to ooze out between floating ball and sealing ring, and it is existing that leakage occurs so as to cause exhaust outlet
As.Therefore many large-scale water supply projects stop after supplying water, and the air bleeding valve installed on pipeline is leaked due to manifold pressure decline
Water stops when until medium liquid level being less than exhaust outlet in air bleeding valve, wastes great lot of water resources, and environment is impacted or caused
Safety accident.
Invention content
It is an object of the invention to propose a kind of air bleeding valve, can in pipeline no pressure or when low pressure not will produce and let out
Leak phenomenon.
For this purpose, the present invention uses following technical scheme：
A kind of air bleeding valve includes the valve body equipped with cavity, and the valve body is connected to equipped with exhaust outlet with the cavity, described
Floating ball is equipped in cavity, the floating ball is fixed in the middle part of guide rod, the guide rod can along the exhaust outlet axis it is opposite
The valve body moves up and down, and controls the floating ball and closure formation sealing is arranged between the sealing element of exhaust outlet lower end, in institute
The top for stating guide rod is additionally provided with elastic sealing gasket, while floating ball and the sealing element are formed and are sealed or before, the bullet
Property gasket can be set on the inner wall of the exhaust outlet convexing to form sealing cooperation.
Further technical solution, the outer diameter of the elastic sealing gasket are more than the diameter of the exhaust outlet.
Further technical solution, the edge of the elastic sealing gasket are equipped with hook formation, the hook formation with it is described
Protrusion matches.
Further technical solution, protection support is additionally provided in the cavity, and the protection holds in the palm and is located at the floating ball periphery institute
State protection support the valve body between there are gaps.
Further technical solution, the protection backing portion are equipped with the first pilot hole, and the guide rod passes through described first
Pilot hole, and can be moved back and forth along the relatively described protection support of axis of the exhaust outlet.
Further technical solution, the valve body are equipped with the second pilot hole, and the guide rod is also cross described first
Pilot hole and the second pilot hole.
Further technical solution, the valve body are equipped with hollow out head cover, and second pilot hole is located at the hollow out top
It covers.
Further technical solution, the valve body include the valve deck above valve body ontology and the valve body ontology, the valve
It covers and is equipped with the exhaust outlet, the sealing element is fixed on the valve deck.
Further technical solution, the sealing element are fixed on by fixing sleeve on the valve deck, and the protrusion is opened in
On the inner wall of the fixing sleeve.
Further technical solution, the protrusion are annular projection.
Beneficial effects of the present invention：
Air bleeding valve proposed by the present invention, including floating ball and with the sealing element that it coordinates, further include elastic sealing gasket, elasticity it is close
Packing is located at the top of guide rod, causes to leak between floating ball and sealing element in the case that valve inner no pressure or pressure are small
When, elastic sealing gasket can ensure the leakproofness of air bleeding valve, can prevent interior media with the male cooperation of exhaust outlet inner wall
Leakage, prevents the wasting of resources, prevents the generation of safety accident, prevent environmental degradation.
Description of the drawings
Structural schematic diagram when Fig. 1 is the exhaust valve exhaust of the offer of the embodiment of the present invention 1；
Structural schematic diagram when Fig. 2 is the exhaust valve sealing of the offer of the embodiment of the present invention 1；
Structural schematic diagram when Fig. 3 is the exhaust valve exhaust of the offer of the embodiment of the present invention 2；
Structural schematic diagram when Fig. 4 is the exhaust valve sealing of the offer of the embodiment of the present invention 2；
Fig. 5 is the structural schematic diagram for the valve deck vertical view that the embodiment of the present invention 2 provides.
Wherein, 101, valve body；102, cavity；103, exhaust outlet；104, floating ball；105, guide rod；106, sealing element；107、
Elastic sealing gasket；108, raised；109, hook formation；110, protection support；111, the first pilot hole；112 valve body ontologies；113, valve
Lid；114, fixing sleeve；205, guide rod；215, the second pilot hole；216, hollow out head cover.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of air bleeding valve, includes the valve body 101 equipped with cavity 102, valve body 101 is equipped with exhaust outlet 103
It is connected to cavity 102, the gas in pipeline is discharged through cavity 102 by exhaust outlet 103, and floating ball 104 is equipped in cavity 102, is floated
Ball 104 is fixed on 105 middle part of guide rod, and guide rod 105 can be moved up and down with respect to valve body 101 along the axis of exhaust outlet 103, be controlled
Floating ball 104 processed and be arranged between the sealing element 106 of 103 lower end of exhaust outlet be closed formed sealing, the top of guide rod 105 also
Equipped with elastic sealing gasket 107, while floating ball 104 and sealing element 106 are formed and are sealed or before, elastic sealing gasket 107 can
Sealing cooperation is formed with the protrusion 108 being set on 103 inner wall of exhaust outlet, ensures that no pressure or pressure are smaller inside air bleeding valve
When, it prevents the sealing defective tightness between floating ball 104 and sealing element 106 and leakage phenomenon occurs.Wherein valve body 101 can be one
Body formed can also be divided into valve body ontology 112 and valve deck 113, replacement easy to disassemble.Above-mentioned sealing element 106 can be selected as close
Seal can also select other sealing elements as the case may be；Above-mentioned raised 108 be preferably annular projection, be ensure that convex
The contact range between 108 and gasket 107 is played, leakproofness can be improved.
To ensure that elastic sealing gasket 107 realizes that the effect of anti-leak, the preferably outer diameter of elastic sealing gasket 107 are more than exhaust outlet
103 diameter.Since the outer diameter of elastic sealing gasket 107 is larger, squeezing action of the elastic sealing gasket 107 in 103 inner wall of exhaust outlet
Under be deformed, active force is mutual, and elastic sealing gasket 107 is applied with pressure to 103 inner wall of exhaust outlet, this is denoted as pressure
Po ensure that between 103 inner wall of elastic sealing gasket 107 and exhaust outlet there is enough leakproofness, even if floating ball 104 and sealing element
It does not seal between 106, by the mutual cooperation between 103 inner wall of elastic sealing gasket 107 and exhaust outlet, can be formed enough
Sealing effect.
The edge of elastic sealing gasket 107 is equipped with hook formation 109, and hook formation 109 is matched with protrusion 108, Neng Goufang
Only gasket 107 deviates from exhaust outlet 103, as shown in Fig. 2, when because of no pressure inside air bleeding valve or smaller pressure, elasticity is close
Packing 107 is by the pressure of the medium by being leaked between sealing element 106 and floating ball 104, the hook-shaped knot at 107 edge of elastic sealing gasket
Structure 109 catches on protrusion 108, and 107 middle section of elastic sealing gasket is prominents to the direction far from floating ball 104, elastic close during this
The deflection of packing 107 increases, at this point, the pressure being subject on the contact surface of 103 inner wall of elastic sealing gasket 107 and exhaust outlet increases
For Pm, wherein Pm=Po+Pp, Pp is that elastic sealing gasket 107 increases in far from 104 direction of floating ball deformation process outstanding in formula
Elastic sealing gasket 107 pass to the pressure of 103 inner wall of exhaust outlet, K indicates pressure transmission coefficient in Pp=KP formulas, and P is quilt
The material of elastic sealing gasket 107, is selected as the material of corresponding K >=1 by the pressure that sealing medium acts on elastic sealing gasket 107
Matter, then Pm ＞ Po, when elastic sealing gasket 107 is made for rubber, corresponding K=1 can realize Pm ＞ Po, therefore ought have pipe
When medium osmosis in road crosses sealing element 106 and floating ball 104, the interaction force between elastic sealing gasket 107 and exhaust outlet 103
Bigger when compared with No leakage, therefore no pressure or elastic sealing gasket 107 and exhaust outlet 103 in the case of smaller pressure in air bleeding valve
The sealing that No leakage can be realized between inner wall can prevent the abjection exhaust of elastic sealing gasket 107 simultaneous with hook formation 109
Mouth 103, ensure that the fastness and stability of structure.
In order to protect floating ball 104 not washed away by gas or the direct of medium, protection support 110, protection are additionally provided in cavity 102
Support 110 is located between the periphery of floating ball 104 protection support 110 and valve body 101 that there are gaps, the gentle body of medium can be in corresponding gap
The structure of interior flowing, protection support 110 may be selected to be cupula or other shapes as the case may be.
110 bottom of support is protected to be equipped with the first pilot hole 111, guide rod 105 passes through the first pilot hole 111, and can be along row
The opposite protection support 110 of the axis of gas port 103 moves back and forth.
110 bottom of support is protected to be equipped with the first pilot hole 111, guide rod 105 passes through the first pilot hole 111, and can be along row
The axis of gas port 103 is moved back and forth with respect to valve body 101, can ensure the accurate fit of elastic sealing gasket 107 and exhaust outlet 103.
Specifically, valve body is divided into valve body ontology 112 and valve deck 113, exhaust outlet 103 is located on valve deck 113, sealing element
106 also are secured on valve deck 113, and sealing element 106 is fixed on by fixing sleeve 114 on the valve deck 113, and protrusion 108 is opened in
On the inner wall of fixing sleeve 114.Valve deck 113 and valve body ontology 112 are provided separately, when the structural failure being arranged on valve deck 113, energy
Enough distinguish repair and replacement, does not have to replace entire valve body 101, it can be cost-effective.
When the exhaust valve is opened, gas is discharged from exhaust outlet 103, as illustrated by the arrows in fig. 1；When air bleeding valve needs to seal
When, as shown in Fig. 2, floating ball 104 and elastic sealing gasket 107 are moved with guide rod 105 to 103 direction of exhaust outlet, work as elastic packing
When pad 107 touches the inner wall of exhaust outlet 103, since the size of elastic sealing gasket 107 is more than the straight of 103 inner wall of the exhaust outlet
Diameter, elastic sealing gasket 107 applies pressure Po to the inner wall of exhaust outlet 103, therefore elastic sealing gasket 107 generates exhaust outlet 103
Sealing；It is interior when having interior media to ooze out or leak between floating ball 104 and sealing element 106 when the air pressure in air bleeding valve is relatively low
Portion's medium is between floating ball 104 and elastic sealing gasket 107, and smaller power is applied with to elastic sealing gasket 107, makes elastic packing
Pad 107 is deformed to 103 direction of exhaust outlet is prominent, since further deformation, elastic sealing gasket has occurred in elastic sealing gasket 107
The pressure of 107 pairs of 103 inner walls of exhaust outlet increases, and leakproofness further enhances, and realizes the purpose for preventing leakage.
Embodiment 2
The present embodiment and the structure of embodiment 1 are substantially similar, the difference is that, as shown in Figures 3 and 4, set on valve body 101
There is the second pilot hole 215, guide rod 205 is also cross first pilot hole, 111 and second pilot hole 215,205 liang of guide rod
There is pilot hole guiding at end, ensure that air bleeding valve during opening and closing, more accurate between elastic sealing gasket 107 and exhaust outlet 103
True cooperation, and ensure that the stability that guide rod 205 is run, opening and closing process is more smooth.
As shown in figure 5, valve body 101 is equipped with hollow out head cover 216, the second pilot hole 215 is located on hollow out head cover 216.Row
It is discharged from hollow out head cover 216 when gas, ensure that exhaust effect；Hollow out head cover 216 can be integrally formed with valve body 101 can also be with
Valve body 101 is detachably connected, and valve body 101 includes valve body ontology 112 and valve deck 113 in the present embodiment, and hollow out head cover 216 is located at valve
On lid 113, hollow out head cover 216 is integrally formed with valve deck 113, but detachable connection is also in protection scope of the present invention
Interior, in addition the second pilot hole 215 wears or when needing replacing, and by replacing hollow out head cover 216, it is convenient to replace, and does not have to pair
Valve deck 113 is replaced.
Obviously, the above embodiment of the present invention is merely to clearly illustrate examples made by the present invention, and be not to this
The restriction of the embodiment of invention.It for those of ordinary skill in the art, on the basis of the above description can be with
It makes other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all in this hair
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within bright spirit and principle
Within protection domain.
Claims (9)
1. a kind of air bleeding valve, including it is equipped with cavity（102）Valve body（101）, the valve body（101）It is equipped with exhaust outlet（103）
With the cavity（102）Connection, the cavity（102）It is interior to be equipped with floating ball（104）, the floating ball（104）It is fixed on guide rod
（105,205）Middle part, the guide rod（105,205）It can be along the exhaust outlet（103）The relatively described valve body of axis（101）
It moves up and down, controls the floating ball（104）With setting in exhaust outlet（103）The sealing element of lower end（106）Between be closed formed it is close
Envelope, which is characterized in that in the guide rod（105,205）Top be additionally provided with elastic sealing gasket（107）, in floating ball（104）With
The sealing element（106）While formation sealing or before, the elastic sealing gasket（107）Can be set to the exhaust outlet
（103）Inner wall on protrusion（108）Form sealing cooperation；
When the exhaust valve is opened, gas is from exhaust outlet（103）Discharge；When air bleeding valve needs sealing, floating ball（104）It is close with elasticity
Packing（107）With guide rod（105）To exhaust outlet（103）Direction is moved, and elastic sealing gasket is worked as（107）Touch exhaust outlet
（103）Inner wall when, due to elastic sealing gasket（107）Size be more than the exhaust outlet（103）The diameter of inner wall, elastic packing
Pad（107）To exhaust outlet（103）Inner wall apply pressure Po, therefore elastic sealing gasket（107）To exhaust outlet（103）It produces close
Envelope；When the air pressure in air bleeding valve is relatively low, floating ball（104）And sealing element（106）Between have interior media ooze out or leakage when, it is interior
Portion's medium is in floating ball（104）And elastic sealing gasket（107）Between, to elastic sealing gasket（107）It is applied with smaller power, makes bullet
Property gasket（107）To exhaust outlet（103）Direction protrudes deformation, due to elastic sealing gasket（107）Further deformation has occurred,
Elastic sealing gasket（107）To exhaust outlet（103）The pressure of inner wall increases, and leakproofness further enhances, and realizing prevents leakage
Purpose；
The elastic sealing gasket（107）Edge be equipped with hook formation（109）, the hook formation（109）With the protrusion
（108）It matches.
2. air bleeding valve according to claim 1, which is characterized in that the elastic sealing gasket（107）Outer diameter be more than it is described
Exhaust outlet（103）Diameter.
3. according to any air bleeding valves of claim 1-2, which is characterized in that the cavity（102）Inside it is additionally provided with protection support
（110）, the protection support（110）It is located at the floating ball（104）Periphery, the protection support（110）With the valve body（101）Between
There are gaps.
4. air bleeding valve according to claim 3, which is characterized in that the protection support（110）Bottom is equipped with the first pilot hole
（111）, the guide rod（105,205）Across first pilot hole（111）, and can be along the exhaust outlet（103）Axis
The relatively described protection support of line（110）It moves back and forth.
5. air bleeding valve according to claim 4, which is characterized in that the valve body（101）It is equipped with the second pilot hole
（215）, the guide rod（205）Also cross first pilot hole（111）With the second pilot hole（215）.
6. air bleeding valve according to claim 5, which is characterized in that the valve body（101）It is equipped with hollow out head cover（216）,
Second pilot hole（215）It is located at the hollow out head cover（216）On.
7. according to any air bleeding valve of claim 1-2 or 4-6, which is characterized in that the valve body（101）Including valve body sheet
Body（112）With the valve body ontology（112）The valve deck of top（113）, the valve deck（113）It is equipped with the exhaust outlet（103）,
The sealing element（106）It is fixed on the valve deck（113）On.
8. air bleeding valve according to claim 7, which is characterized in that the sealing element（106）Pass through fixing sleeve（114）It is fixed
In the valve deck（113）On, the protrusion（108）It is opened in the fixing sleeve（114）Inner wall on.
9. according to any air bleeding valves of claim 1-2, which is characterized in that the protrusion（108）For annular projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510593178.6A CN105156742B (en) | 2015-09-17 | 2015-09-17 | A kind of air bleeding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510593178.6A CN105156742B (en) | 2015-09-17 | 2015-09-17 | A kind of air bleeding valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105156742A CN105156742A (en) | 2015-12-16 |
| CN105156742B true CN105156742B (en) | 2018-07-20 |
Family
ID=54797710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510593178.6A Active CN105156742B (en) | 2015-09-17 | 2015-09-17 | A kind of air bleeding valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105156742B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612904B (en) * | 2018-07-18 | 2024-01-26 | 天津市国威给排水设备制造有限公司 | Combined air inlet and outlet valve |
| CN112443973B (en) * | 2019-08-29 | 2022-05-13 | 青岛经济技术开发区海尔热水器有限公司 | Exhaust device and water heater |
| CN113090786A (en) * | 2021-03-08 | 2021-07-09 | 海南立昇净水科技实业有限公司 | One-way non-return exhaust valve |
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| CN201057281Y (en) * | 2007-07-19 | 2008-05-07 | 吴雳鸣 | Elastic double-sealing balancing floater type bidirectional air valve |
| CN102062253A (en) * | 2010-11-26 | 2011-05-18 | 王旭华 | Automatic vent valve capable of replacing supporting point |
| CN102135186A (en) * | 2010-01-21 | 2011-07-27 | 刘永 | Anti-theft intelligent air release valve |
| CN202381818U (en) * | 2011-11-08 | 2012-08-15 | 姜博生 | Double-sealing leakage-preventive exhaust valve for sewage |
| CN202531987U (en) * | 2012-01-12 | 2012-11-14 | 铜陵国方水暖科技有限责任公司 | Combined vent valve |
| CN103644356A (en) * | 2013-11-28 | 2014-03-19 | 山东建华阀门制造有限公司 | Suction and exhaust valve |
| CN203500633U (en) * | 2013-10-21 | 2014-03-26 | 哈尔滨庆功林泵业股份有限公司 | Ball float valve with guiding, water stopping and ventilating functions |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204961988U (en) * | 2015-09-17 | 2016-01-13 | 天津市国威给排水设备制造有限公司 | Exhaust valve |
-
2015
- 2015-09-17 CN CN201510593178.6A patent/CN105156742B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201057281Y (en) * | 2007-07-19 | 2008-05-07 | 吴雳鸣 | Elastic double-sealing balancing floater type bidirectional air valve |
| CN102135186A (en) * | 2010-01-21 | 2011-07-27 | 刘永 | Anti-theft intelligent air release valve |
| CN102062253A (en) * | 2010-11-26 | 2011-05-18 | 王旭华 | Automatic vent valve capable of replacing supporting point |
| CN202381818U (en) * | 2011-11-08 | 2012-08-15 | 姜博生 | Double-sealing leakage-preventive exhaust valve for sewage |
| CN202531987U (en) * | 2012-01-12 | 2012-11-14 | 铜陵国方水暖科技有限责任公司 | Combined vent valve |
| CN203500633U (en) * | 2013-10-21 | 2014-03-26 | 哈尔滨庆功林泵业股份有限公司 | Ball float valve with guiding, water stopping and ventilating functions |
| CN103644356A (en) * | 2013-11-28 | 2014-03-19 | 山东建华阀门制造有限公司 | Suction and exhaust valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105156742A (en) | 2015-12-16 |
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