CN206017971U - A kind of air bleeding valve - Google Patents
A kind of air bleeding valve Download PDFInfo
- Publication number
- CN206017971U CN206017971U CN201620972122.1U CN201620972122U CN206017971U CN 206017971 U CN206017971 U CN 206017971U CN 201620972122 U CN201620972122 U CN 201620972122U CN 206017971 U CN206017971 U CN 206017971U
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- valve body
- valve
- air bleeding
- pull bar
- exhaust passage
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Abstract
The utility model provides a kind of air bleeding valve, belongs to field of mechanical technique.It solves existing air bleeding valve floating block and comes off the problems such as causing exhaust to have some setbacks.This air bleeding valve includes the valve body with inner chamber, offers along steam vent that is horizontally disposed and being connected with body cavity, open up air admission hole, be fixed with pad in air admission hole on the lower surface of valve body on the side wall of valve body upper end；The fuse with exhaust passage is fixedly connected with steam vent, the inner port of exhaust passage is provided with the connection plug for closing exhaust passage, spring is fixedly connected between connection plug and fuse, push rod is fixed with connection plug, the inner of push rod is hung with pull bar, the some floating blocks in body cavity are arranged with pull bar, and the lower end of pull bar is bent to form stop part to the side of pull bar, and floating block is located above stop part and floating block can be resisted against on stop part.This air bleeding valve has the advantages that smooth in exhaust.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of air bleeding valve.
Background technology
Because generally all dissolved with certain air in water, and the solubility of air is reduced with the rising of temperature, this
Sample water gas during circulation is gradually separated from the water out, and gradually gets together to form big bubble even gas column,
Because there is the supplement of water, in pipeline, often there is gas to produce.So in order to water can swimmingly flow in pipeline, and
In order to prevent, the excessive pressure of gas in pipelines is excessive to affect normal use, needs to discharge the gas in pipeline, therefore often
Air bleeding valve is set in the duct.
Chinese patent literature data is disclosed and proposes a kind of automatic exhaust steam valve [application number：CN200910226214.X；Authorize
Notification number：CN101761679B], including valve body and valve gap, valve body is fastenedly connected with valve gap by screw thread, and in valve body, lower section is arranged
Have striped separator, its media flow direction in valve body and by which above barrier fix, the valve gap above barrier
Automatic exhaust device is inside provided with.Automatic exhaust device is by floating block, connecting rod, drive link, upper plug head, plug pad, spring, stifled
Head is constituted, and upper plug head is connected by spring with plug, and plug is provided with exhaust passage, and upper plug head is equipped with plug pad, with plug end
Face forms sealing and coordinates, and floating block is hung on drive link by connecting rod, and drive link connects plug pad through upper plug head.Valve body and
O-ring seals are provided between valve gap.
The automatic exhaust steam valve can realize self-bleeding function, but during air bleeding valve use, when in valve gap
For air when floating block easily come off from the lower end of connecting rod and drop to the top of barrier, floating block come off after due to the gravity in connecting rod
Reduce so as to cause plug pad to block exhaust passage always, hinder the carrying out of exhaust, so as to cause to be vented defective valve exhaust not
Swimmingly can carry out.
Content of the invention
The purpose of this utility model is the problems referred to above existed for prior art, it is proposed that a kind of air bleeding valve, solution
Technical problem is how to ensure air bleeding valve smooth in exhaust.
The purpose of this utility model can be realized by following technical proposal：
A kind of air bleeding valve, including the valve body with inner chamber, offers along horizontally disposed on the side wall of the valve body upper end
And the steam vent being connected with body cavity, air admission hole is opened up on the lower surface of the valve body, be fixed with pad in the air admission hole
Piece；The fuse with exhaust passage is fixedly connected with the steam vent, and the inner port of the exhaust passage is provided with energy
The connection plug of exhaust passage is enough closed, and spring is fixedly connected between the connection plug and fuse, on the connection plug
Push rod is fixed with, and the inner of the push rod is hung with pull bar, some floating blocks in body cavity are arranged with the pull bar,
Characterized in that, the lower end of the pull bar is bent to form stop part to the side of pull bar, the floating block be located above stop part and
Floating block can be resisted against on stop part；Be disposed with the medial surface of the air admission hole from top to bottom recessed annular slot and
The shoulder block of protrusion, is provided with jump ring in the draw-in groove, the upper surface of the pad is resisted against on shoulder block, the lower surface of the pad
It is resisted against on jump ring；The pad is in the form of annular discs and pad on be provided with some apertures.
Air bleeding valve is installed in pipeline, when in pipeline without water flowing, floating block is produced to pull bar under gravity
Downward pulling force so that pull bar produces downward active force to push rod, the connection plug that so fixes with push rod overcomes spring
Active force is deflected downwards, and so as to open the exhaust passage on fuse, exhaust valve insertion is in communication with the outside.When opening in pipeline
When beginning to intake, in pipeline, original air can be discharged by the exhaust passage of air bleeding valve.When the water in pipeline enters into exhaust
In the inner chamber of valve body and after making floating block float, downward to the pull bar pulling force of floating block disappears, in the presence of spring-return power, even
Connect plug to abut on the inner port of exhaust passage so as to close exhaust passage, air bleeding valve can not be vented, at the same can in case
Sealing is overflowed from exhaust passage.When the air in water constantly decomposes out and assembles in the inner chamber of exhaust valve, valve
The atmospheric pressure of intracoelomic cavity increases and makes the water in body cavity be gone out by exclusion, in gravity after the effect of floating block loss of buoyance
Effect is lower to be continued to produce downward pulling force to pull bar, and exhaust passage reopens, and the air in body cavity is discharged；When air is arranged
When the atmospheric pressure that sends as an envoy in body cavity recovers normal, water is re-entered in body cavity and makes floating block float, and exhaust is logical
Road is reclosed, and the air decomposed out in water continues to assemble in body cavity, and circulation successively continues exhaust.
Stop part is set in the lower end of pull bar, floating block can be resisted against on stop part, can prevent floating block from making in air bleeding valve
Come off from pull bar with during, so as to avoid causing because floating block gravity deficiency cannot make connection plug, exhaust is opened in deflection
The situation of passage, so that ensure that air bleeding valve smooth in exhaust.Pad in the form of annular discs and be provided with some apertures ensure water gentle
While pad being passed through, and current are played with certain cushioning effect, prevent water impact excessive larger to floating block generation
Vibrate so as to affecting the normal work of air bleeding valve；Pad can prevent the parts in body cavity from dropping out from air admission hole simultaneously.
By shoulder block and jump ring setting-up piece, pad can be prevented washed away from valve body during air bleeding valve use or rushed
Dislocation makes pad ineffective, so as to ensure that air bleeding valve swimmingly can be vented.
In above-mentioned air bleeding valve, the lower end of the valve body is socketed and is fixed with valve gap, sets on the medial surface of the valve gap
Step is equipped with, the screen pack in disc-shaped, the screen pack between the lower surface of the valve body and the upper surface of step, is fixed with
Lower surface be resisted against on the upper surface of step, be provided with the pad that rubber is made between the screen pack and the lower surface of valve body
Circle, the upper surface of the packing ring are resisted against on the lower surface of valve body, and the lower surface of the packing ring is resisted against the upper surface of screen pack
On.
Screen pack is provided between valve body and valve gap, is filtered can the water that entered in valve body, be prevented in water
Impurity deposit on floating block, cause the change of floating block gravity so as to affecting the exhaust of air bleeding valve, or cause floating block clamping stagnation to exist
In the inner chamber of valve body, exhaust passage is prevented from opening or close, or impurity directly blocks exhaust passage.And screen pack with
The packing ring that rubber is made is provided between the lower surface of valve body, screen pack is preferably fixed between valve body and valve gap,
Screen pack is prevented to be flushed away.
In above-mentioned air bleeding valve, the upper end of the valve gap is set in the lower end of valve body and forms threaded connection, the valve
The cross section of lid lower end is in regular hexagon.
By using the lower end that valve gap can be tightened in spanner valve body so that screen pack be securely fixed in valve body with
Between valve gap, prevent screen pack from being washed away by current, so as to ensure that the filter effect of air bleeding valve, it is ensured that air bleeding valve can be with smooth
Be exhausted.
In above-mentioned air bleeding valve, on the connection plug, the sealing gasket being made up of rubber, the sealing gasket energy is fixed with
The inner port Shang Shi exhaust passage closing of exhaust passage is enough abutted to.
Sealing gasket is made up of rubber, and sealing gasket is good to the sealing effect of exhaust passage, can prevent water from exhaust passage
Overflow.Due to the aperture often very little of exhaust passage, pass through from exhaust passage if there are water, water in the presence of the tension force of water
Can stop or part persists the discharge for hindering air in an exhaust gas.Prevent water from overflowing the also row of can guarantee that from exhaust passage
Air valve can be with smooth exhaust.
In above-mentioned air bleeding valve, the angle of the stop part bending is 25 °～90 °.Such angle can ensure that floating
Block will not come off from pull bar, so as to ensure that air bleeding valve swimmingly can be vented.
Compared with prior art, the utility model has advantages below：
Stop part is set in the lower end of pull bar, with jump ring and shoulder block setting-up piece, it is ensured that air bleeding valve smooth in exhaust.In valve gap
Screen pack is set and valve body between, valve gap and valve body is set to be threadedly coupled and the lower end of valve gap is provided with six positive side shape ribs
Post, and screen pack is securely fixed between step and valve body lower end face using packing ring, it is ensured that the filter effect of air bleeding valve, from
And ensure that air bleeding valve smooth in exhaust.On connection plug arranging sealing gasket makes the sealing effect of exhaust passage good, prevents water from entering
Enter exhaust passage, it is ensured that air bleeding valve smooth in exhaust.
Description of the drawings
Fig. 1 is structure sectional view when this air bleeding valve floating block floats；
Structure sectional view when Fig. 2 is this exhaust valve exhaust.
In figure, 1, valve body；1a, steam vent；1b, air admission hole；1b1, draw-in groove；1b2, shoulder block；1c, bulge loop；2nd, pad；2a、
Aperture；3rd, fuse；3a, exhaust passage；4th, connect plug；4a, sealing gasket；5th, spring；6th, push rod；7th, pull bar；7a, stop part；
8th, floating block；9th, jump ring；10th, valve gap；10a, step；11st, screen pack；12nd, packing ring.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment one
As depicted in figs. 1 and 2, a kind of air bleeding valve includes the valve body 1 with inner chamber, offers on the side wall of 1 upper end of valve body
Along horizontally disposed and with 1 intracavity inter-connection of valve body steam vent 1a, air admission hole 1b, air admission hole on the lower surface of valve body 1, is opened up
Be fixed with pad 2 in 1b, pad 2 is in the form of annular discs and pad 2 on be provided with some aperture 2a, typically symmetrically set on pad 2
Put 3 aperture 2a.Recessed annular slot 1b1 and the shoulder block that protrude are disposed with the medial surface of air admission hole 1b from top to bottom
1b2, is provided with jump ring 9 in draw-in groove 1b1, jump ring 9 is opening jump ring 9, and the upper surface of pad 2 is resisted against on shoulder block 1b2, pad 2
Lower surface be resisted against on jump ring 9.The lower end of valve body 1 is socketed and is fixed with valve gap 10, and the upper end of valve gap 10 is set in valve body 1
Lower end simultaneously forms threaded connection, and the cross section of 10 lower end of valve gap is in regular hexagon.Step is provided with the medial surface of valve gap 10
The screen pack 11 in disc-shaped, the lower end of screen pack 11 is fixed between the upper surface of 10a, the lower surface of valve body 1 and step 10a
Face is resisted against on the upper surface of step 10a, is provided with the packing ring 12 that rubber is made between the lower surface of screen pack 11 and valve body 1,
The upper surface of packing ring 12 is resisted against on the lower surface of valve body 1, and the lower surface of packing ring 12 is resisted against on the upper surface of screen pack 11.Valve
The medial surface of the annular convex ring 1c of protrusion, the lateral surface of 1 lower end of valve body and 10 upper end of valve gap is provided with the lateral surface of 1 lower end of body
Between be provided with O-ring, the lower surface of valve gap 10 is abutted on the lower surface of bulge loop 1c.
The fuse 3 with exhaust passage 3a is fixedly connected with steam vent 1a, and the inner port of exhaust passage 3a is arranged
There is connection plug 4, between connection plug 4 and fuse 3, be fixedly connected with spring 5.It is fixed with connection plug 4 and is made up of rubber
Sealing gasket 4a, sealing gasket 4a can abut to the inner port Shang Shi exhaust passages 3a closings of exhaust passage 3a.On connection plug 4
Push rod 6 is fixed with, the outer end of push rod 6 is inserted on connection plug 4 and is fixedly connected with plug 4 is connected, the inner setting of push rod 6
The upper end for having suppending hole, pull bar 7 is suspended on push rod 6 through suppending hole, if being arranged with pull bar 7 in 1 inner chamber of valve body
Dry floating block 8, the quantity of floating block 8 can be 1 or 2 or 3 as needed.Floating block 8 is cylindrical and axis at start
There is a through hole, floating block 8 is stacked together suspension by pull bar 7 through through hole.The lower end of pull bar 7 there is stop part 7a and stop part 7a to
Bend in the side of pull bar 7, floating block 8 is located above stop part 7a and the lower surface of floating block 8 can be resisted against on stop part 7a.Resistance
The angle of stopper 7a bending is 25 °～90 °, can be 30 °, 38 °, 45 ° or 60 °, folded for floating block 8 string can be arrived pull bar 7 first
On the lower end of pull bar 7 is bent into stop part 7a again.
1 upper end of exhaust valve is installed in pipeline upward, when in pipeline without water flowing, work of the floating block 8 in gravity
Downward pulling force is produced to pull bar 7 with lower so that pull bar 7 produces downward active force to push rod 6, so inner with push rod 6 solid
The connection plug 4 of fixed connection can overcome the active force of spring 5 and deflect downwards, so as to by the exhaust passage on fuse 3
3a is opened, and 1 inner chamber of exhaust valve is in communication with the outside.When starting to pipe water, in pipeline, original air can pass through row
The exhaust passage 3a of air valve is discharged.After the water in pipeline is entered in the inner chamber of exhaust valve 1 and makes floating block 8 float, float
The pulling force downward to pull bar 7 of block 8 disappears, and in the presence of 5 restoring force of spring, the sealing gasket 4a connected on plug 4 abuts to row
So as to close exhaust passage 3a on the inner port of gas passage 3a, air bleeding valve can not be vented, while water can be prevented from exhaust
Overflow in passage 3a.Water proper flow in pipeline, the air in water are constantly decomposed out and are gathered in the inner chamber of exhaust valve 1
Collection, the atmospheric pressure of 1 inner chamber of valve body increases and makes the water in 1 inner chamber of valve body be gone out by exclusion, after the effect of 8 loss of buoyance of floating block
Downward pulling force is produced to pull bar 7 under gravity again, and exhaust passage 3a is reopened, the air in 1 inner chamber of valve body
Discharge；After air is discharged makes the atmospheric pressure in 1 inner chamber of valve body recover normal, water can be re-entered in 1 inner chamber of valve body
And making floating block 8 float, exhaust passage 3a is reclosed, and the air decomposed out in water continues to assemble in 1 inner chamber of valve body, successively
Circulation.
Stop part 7a is set in the lower end of pull bar 7, can prevent floating block 8 during air bleeding valve use from pull bar 7
Come off, because 8 gravity deficiency of floating block cannot make the deflection of connection plug 4 open the situation of exhaust passage 3a, protect so as to avoid causing
Demonstrate,prove air bleeding valve smooth to be vented.Screen pack 11 is provided between valve body 1 and valve gap 10, can make to enter in valve body 1
Water filtered, prevent the impurity in water from depositing on floating block 8, cause the change of 8 gravity of floating block so as to affecting air bleeding valve
Exhaust, or prevents impurity from causing 8 clamping stagnation of floating block in the inner chamber of valve body 1, prevents exhaust passage 3a from opening or close, or
Person prevents impurity from directly blocking exhaust passage 3a.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from of the present utility model spirit or surmount scope defined in appended claims.
Claims (5)
1. a kind of air bleeding valve, including the valve body (1) with inner chamber, offers on the side wall of valve body (1) upper end and sets along level
Steam vent (1a) that put and with valve body (1) intracavity inter-connection, opens up air admission hole (1b), institute on the lower surface of valve body (1)
State in air admission hole (1b) and be fixed with pad (2)；The fuse with exhaust passage (3a) is fixedly connected with steam vent (1a)
(3), the inner port of exhaust passage (3a) is provided with the connection plug (4) for closing exhaust passage (3a), described
Spring (5) is fixedly connected between connection plug (4) and fuse (3), is fixed with push rod (6) on connection plug (4), described
The inner of push rod (6) is hung with pull bar (7), some floating blocks (8) being arranged with pull bar (7) in valve body (1) inner chamber,
Characterized in that, the lower end of pull bar (7) is bent to form stop part (7a) to the side of pull bar (7), floating block (8) are located at
Above stop part (7a) and floating block (8) can be resisted against on stop part (7a)；On the medial surface of air admission hole (1b) from lower to
On be disposed with recessed annular slot (1b1) and the shoulder block (1b2) for protruding, jump ring is installed in draw-in groove (1b1)
(9), the upper surface of pad (2) is resisted against on shoulder block (1b2), and the lower surface of pad (2) is resisted against on jump ring (9)；
Pad (2) in the form of annular discs and pad (2) on be provided with some apertures (2a).
2. air bleeding valve according to claim 1, it is characterised in that the lower end of valve body (1) is socketed and is fixed with valve gap
(10) step (10a), is provided with the medial surface of valve gap (10), and the lower surface of valve body (1) is upper with step (10a)
The screen pack (11) in disc-shaped is fixed between end face, and the lower surface of screen pack (11) is resisted against the upper of step (10a)
On end face, the packing ring (12) that rubber is made, the packing ring between the lower surface of screen pack (11) and valve body (1), is provided with
(12) upper surface is resisted against on the lower surface of valve body (1), and the lower surface of packing ring (12) is resisted against the upper of screen pack (11)
On end face.
3. air bleeding valve according to claim 2, it is characterised in that the upper end of valve gap (10) is set in valve body (1)
Lower end simultaneously forms threaded connection, and the cross section of valve gap (10) lower end is in regular hexagon.
4. the air bleeding valve according to claim 1 or 2 or 3, it is characterised in that be fixed with by rubber on connection plug (4)
The sealing gasket (4a) that glue is made, sealing gasket (4a) can abut to the inner port Shang Shi exhaust passages of exhaust passage (3a)
(3a) close.
5. air bleeding valve according to claim 1, it is characterised in that the angle that stop part (7a) bends is 25 °～
90°.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620972122.1U CN206017971U (en) | 2016-08-27 | 2016-08-27 | A kind of air bleeding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620972122.1U CN206017971U (en) | 2016-08-27 | 2016-08-27 | A kind of air bleeding valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017971U true CN206017971U (en) | 2017-03-15 |
Family
ID=58254251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620972122.1U Active CN206017971U (en) | 2016-08-27 | 2016-08-27 | A kind of air bleeding valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923161A (en) * | 2021-04-26 | 2021-06-08 | 台州尚亿阀门股份有限公司 | Air exhaust valve |
| CN114904300A (en) * | 2022-04-27 | 2022-08-16 | 中国电子科技集团公司第十四研究所 | Self-sealing deaerator device |
-
2016
- 2016-08-27 CN CN201620972122.1U patent/CN206017971U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923161A (en) * | 2021-04-26 | 2021-06-08 | 台州尚亿阀门股份有限公司 | Air exhaust valve |
| CN112923161B (en) * | 2021-04-26 | 2021-12-24 | 台州尚亿阀门股份有限公司 | Air exhaust valve |
| CN114904300A (en) * | 2022-04-27 | 2022-08-16 | 中国电子科技集团公司第十四研究所 | Self-sealing deaerator device |
| CN114904300B (en) * | 2022-04-27 | 2024-02-23 | 中国电子科技集团公司第十四研究所 | Self-sealing deaerator device |
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| GR01 | Patent grant |