CN108167489A - A kind of antifreeze anti-sticking breather valve - Google Patents
A kind of antifreeze anti-sticking breather valve Download PDFInfo
- Publication number
- CN108167489A CN108167489A CN201711279394.9A CN201711279394A CN108167489A CN 108167489 A CN108167489 A CN 108167489A CN 201711279394 A CN201711279394 A CN 201711279394A CN 108167489 A CN108167489 A CN 108167489A
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- Prior art keywords
- valve
- guide rod
- valve disc
- chassis
- sticking
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Classifications
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- 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
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
- F16K17/19—Equalising valves predominantly for tanks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to a kind of antifreeze anti-sticking breather valves, mainly solve the problems, such as that traditional breather valve cannot work at low ambient temperatures for a long time, including the exhalation valve for being arranged on exhalation passages outer end and the inlet valve being arranged in air intake passage, the exhalation valve includes the first valve disc, the first valve deck, the first guide-bar mechanism and the first seal receptacle, and first guide-bar mechanism includes the first guide rod chassis and one end and is vertically fixedly connected on the first guide rod column on the first guide rod chassis chassis；The inlet valve includes the second valve disc, guide-bar mechanism and the second seal receptacle, and second guide-bar mechanism includes the second guide rod chassis and one end and is vertically fixedly connected on the second guide rod column on the second guide rod chassis chassis.Breather valve of the present invention has good closure and can use at low ambient temperatures for a long time, effectively solves the problems, such as breather valve easy freezing, easily bonding at low ambient temperatures, is of great significance to the safe operation of oil tank.
Description
Technical field
The present invention relates to petroleum equipment technical field, more particularly, to a kind of antifreeze anti-sticking breather valve.
Background technology
Tank valves reduces media discharge using storage tank bearing capacity in itself, and principle is to utilize positive/negative-pressure valve disc
Weight control the exhaust positive pressure of storage tank and intake negative-pressure.Breather valve is easily tied when breather valve works at low ambient temperatures for a long time
Easily cohesive situation is used for a long time in ice freeze, and breather valve freezes to fail when serious, and oil tank, which has, is inhaled flat danger.Therefore from root
Breather valve is solved in sheet easily to freeze, bond failure, to the normal work of breather valve, ensures that oil tank safe operation has to pass
Important meaning.
Application No. is 200910095574.0, a kind of breathing is disclosed in the patent specification of entitled " a kind of breather valve "
Valve, the invention are suitable only for normal temperature environment, it is impossible to work at low ambient temperatures for a long time.
Invention content
The present invention mainly solves the problems, such as that breather valve cannot work at low ambient temperatures for a long time in the prior art, provide
A kind of antifreeze anti-sticking breather valve.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：A kind of antifreeze anti-sticking breathing
Valve, including the exhalation valve for being arranged on exhalation passages outer end and the inlet valve being arranged in air intake passage, the exhalation valve includes the
It one valve disc, the first valve deck being arranged on above the first valve disc, the first guide-bar mechanism being arranged in the first valve disc and is arranged on
First seal receptacle of the first valve disc bottom periphery, first guide-bar mechanism include the first guide rod bottom being arranged in the first valve disc
Disk and one end are vertically fixedly connected on the first guide rod column on the first guide rod chassis chassis, and the first guide rod column other end is fixed on
On valve deck；The inlet valve includes the second valve disc, the second guide-bar mechanism being arranged in the second valve disc and is arranged on the second valve
Second seal receptacle of tray bottom periphery, second guide-bar mechanism include the second guide rod chassis and one being arranged in the second valve disc
End is vertically fixedly connected on the second guide rod column on the second guide rod chassis chassis, and the second guide rod column other end is fixed on air-breathing and leads to
On road.
A kind of antifreeze anti-sticking breather valve of the invention, when tank inner pressure and atmospheric pressure balance, two valve discs are sawed with it
Dentation seal receptacle all tightly coordinates.When pressure of storage tank is more than atmospheric pressure value（Generate excessively high positive pressure）When, high pressure is direct in tank
It acts below breathing valve disc, and overcomes valve disc gravity and act on outer atmospheric pressure on valve disc, by leading inside valve disc
The contact of bar chassis rises to stablize, and so as to open breathing valve disc by crossing hyperbar in exhalation passages drain tank, makes in tank and air
Pressure keeps balance.When tank inner pressure subatmospheric value（Generated lower negative pressure）When, atmospheric pressure by air intake passage into
Enter and directly act below suction inlet valve disc, and overcome valve disc gravity and act on pressure inside the tank above valve disc, valve
Contacted inside disk by guide rod chassis stablize it is upper pressure is supplemented into storage tank so as to open suction inlet valve disc, make pressure inside the tank and
Atmospheric pressure keeps balance.
As a preferred embodiment, first valve disc and the second valve disc are hollow disc.
As a preferred embodiment, the first valve disc disk top surface is circumferentially uniformly arranged leads there are four outwardly projecting first
Rod aperture, the second valve disc disk top surface are circumferentially uniformly arranged there are four outwardly projecting second guide rod hole, first guide rod hole
Diameter be more than the first guide rod column diameter, the second guide rod bore dia be more than the second guide rod column diameter, valve disc when sliding up and down,
Its guide rod hole is not in contact with guide rod column, and the purpose is to prevent low temperature environment lower guide rod hole wall with guide rod post jamb since steam freezes
And valve disc is caused to be frozen with guide rod column, guarantee is not in cohesive failure.
As a preferred embodiment, 0W type lubricating oil is injected in first valve disc and the second valve disc, which exists
Under low temperature condition, good mobility can be also kept.
As a preferred embodiment, the injection rate of the 0W types lubricating oil is water level just above the first guide rod chassis and the
One guide rod chassis position, has prevented the appearance of valve disc inner wall and guide rod chassis outer edge moisture, can avoid low temperature knot between the two
Ice the occurrence of.
As a preferred embodiment, the valve disc bottom surface disk of first valve disc and the second valve disc is and valve disc top surface disk
Circle center line connecting perpendicular to valve disc bottom surface, valve disc bottom surface disk diameter is less than valve disc top surface disk and valve disc bottom surface disk and top surface
Disk and valve disc bottom surface disk and the junction of top surface disk are right angle, it is made to form 360 degree with lower section seal receptacle and is agreed with.It compares
More conventional breather valve, valve disc are affixed with seal receptacle plane, and such laminating type more can guarantee its leakproofness.
As a preferred embodiment, the outer diameter on the first guide rod chassis be less than 2 centimetres of the first valve disc internal diameter, described second
The outer diameter on guide rod chassis is less than 2 centimetres of the second valve disc internal diameter, and the outer edge on the first guide rod chassis and the second guide rod chassis is all
The rubber ring of one layer of 1 cm thick is wrapped with, entire guide rod chassis is made mutually to agree with valve disc inner wall.
As a preferred embodiment, several circular holes are equipped on the first guide rod chassis and the second guide rod chassis, reduced
Resistance of the liquid to guide rod pedestal, allows entire valve disc under the action of tank inside air pressure, is carried out along chassis outer wall
It moves up and down.
As a preferred embodiment, first seal receptacle and the second seal receptacle are annular shape, are set on the inside of annulus with upside
Several sawtooth are equipped with, the purpose is to reduce the contact area of seal receptacle and valve disc, the inside and upside of seal receptacle while and valve disc
Contact, more ensure that the closure of breather valve；When there is water droplet with inside on the upside of seal receptacle simultaneously, upside water droplet can be direct
It flows into groove, and downside water droplet can also be flowed down along saw-tooth grooves.Seal receptacle is designed as zigzag, reduces seal receptacle
With the contact area of valve disc, so as to effectively avoid freezing, bonding the generation of failure.
As a preferred embodiment, the exhalation valve is logical by the way that the fastening bolt of the first valve deck outer end is passed through to be fixed on expiration
On road, entire exhalation valve is made to be fixed in exhalation passages.
Therefore, it is an advantage of the invention that：The breather valve has good closure and can make at low ambient temperatures for a long time
With, effectively solve the problems, such as breather valve at low ambient temperatures easy freezing, easily bond, have to the safe operation of oil tank important
Meaning.
Description of the drawings
Attached drawing 1 is a kind of overall structure sectional view of the present invention；
Attached drawing 2 is the first valve disc vertical view of the present invention；
Attached drawing 3 is the first guide-bar mechanism vertical view in the present invention.
1- the first valve deck 2- the first guide rod column the first guide rods of 3- chassis 4- rubber rings the first guide rod holes of 5- 6-
First valve disc 7- fastening bolts 8- the first seal receptacle 9- exhalation passages 10- air intake passages 11- the second guide rod columns
12- the second guide rod chassis 13- the second seal receptacle 14- the second valve disc 15- the second guide rod hole 16- circular hole 17-0W types
Lubricating oil.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：
A kind of antifreeze anti-sticking breather valve of the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, including being arranged on exhaling for 9 outer end of exhalation passages
Go out valve and the inlet valve being arranged in air intake passage 10, the exhalation valve includes the first valve disc 6, is arranged on above the first valve disc
First valve deck 1, the first guide-bar mechanism being arranged in the first valve disc and the first sealing for being arranged on the first valve disc bottom periphery
Seat 8, first guide-bar mechanism includes the first guide rod chassis 3 for being arranged in the first valve disc and one end is vertically fixedly connected on the
The first guide rod column 2 on one guide rod chassis chassis, the first guide rod column other end are fixed on valve deck；The inlet valve includes the
Two valve discs, the second guide-bar mechanism being arranged in the second valve disc and the second seal receptacle for being arranged on the second valve disc bottom periphery
13, second guide-bar mechanism includes the second guide rod chassis for being arranged in the second valve disc 14 and one end is vertically fixedly connected on the
The second guide rod column 11 on two guide rod chassis chassis 12, the second guide rod column other end are fixed on air intake passage.
A kind of antifreeze anti-sticking breather valve of the invention, when tank inner pressure and atmospheric pressure balance, two valve discs are sawed with it
Dentation seal receptacle all tightly coordinates.When pressure of storage tank is more than atmospheric pressure value（Generate excessively high positive pressure）When, high pressure is direct in tank
It acts below breathing valve disc, and overcomes valve disc gravity and act on outer atmospheric pressure on valve disc, by leading inside valve disc
The contact of bar chassis rises to stablize, and so as to open breathing valve disc by crossing hyperbar in exhalation passages drain tank, makes in tank and air
Pressure keeps balance.When tank inner pressure subatmospheric value（Generated lower negative pressure）When, atmospheric pressure by air intake passage into
Enter and directly act below suction inlet valve disc, and overcome valve disc gravity and act on pressure inside the tank above valve disc, valve
Contacted inside disk by guide rod chassis stablize it is upper pressure is supplemented into storage tank so as to open suction inlet valve disc, make pressure inside the tank and
Atmospheric pressure keeps balance.
Specifically, the second valve disc vertical view is similar to the first valve disc vertical view, the second guide-bar mechanism vertical view is led in first
Linkage vertical view is similar, so being only described specifically to the first valve disc vertical view and the second guide-bar mechanism vertical view.
First valve disc and the second valve disc are hollow disc, there are four the first valve disc disk top surface is circumferentially uniformly arranged
Outwardly projecting first guide rod hole 5, the second valve disc disk top surface are circumferentially uniformly arranged there are four outwardly projecting second guide rod
Hole 15, the first guide rod bore dia are more than the first guide rod column diameter, and it is straight that the second guide rod bore dia is more than the second guide rod column
Diameter, when sliding up and down, guide rod hole is not in contact valve disc with guide rod column, the purpose is to prevent low temperature environment lower guide rod hole wall with
Guide rod post jamb causes valve disc to be frozen with guide rod column since steam freezes, and guarantee is not in cohesive failure.
0W types lubricating oil 17 is injected in first valve disc and the second valve disc, which at low temperatures, also can
Good mobility is kept, the injection rate of the 0W types lubricating oil is just above the first guide rod chassis and the first guide rod bottom for water level
Disk position has prevented the appearance of valve disc inner wall and guide rod chassis outer edge moisture, can avoid the situation that low temperature freezes between the two
Generation.
The valve disc bottom surface disk of first valve disc and the second valve disc be with the circle center line connecting of valve disc top surface disk perpendicular to
Valve disc bottom surface, valve disc bottom surface disk diameter is less than valve disc top surface disk and valve disc bottom surface disk is justified with top surface disk and valve disc bottom surface
The junction of disk and top surface disk is right angle, it is made to form 360 degree with lower section seal receptacle and is agreed with.Compared to more conventional breather valve, valve
Disk is affixed with seal receptacle plane, and such laminating type more can guarantee its leakproofness.
The outer diameter on the first guide rod chassis is less than 2 centimetres of the first valve disc internal diameter, and the outer diameter on the second guide rod chassis is small
In 2 centimetres of the second valve disc internal diameter, the outer edge on the first guide rod chassis and the second guide rod chassis is all wrapped with one layer of 1 cm thick
Rubber ring 4, entire guide rod chassis is made mutually to agree with valve disc inner wall.
Several circular holes 16 are equipped on the first guide rod chassis and the second guide rod chassis, reduce liquid to guide rod pedestal
Resistance, entire valve disc is allow to be moved up and down under the action of tank inside air pressure along chassis outer wall.
First seal receptacle and the second seal receptacle are annular shape, and annulus inside and upside are provided with several sawtooth, mesh
Be the contact area for reducing seal receptacle and valve disc, the inside and upside of seal receptacle contact with valve disc, more ensure that and exhale simultaneously
Inhale the closure of valve；When there is water droplet with inside on the upside of seal receptacle simultaneously, upside water droplet can be flowed directly into groove, and downside
Water droplet can also be flowed down along saw-tooth grooves.Seal receptacle is designed as zigzag, reduces the contact area of seal receptacle and valve disc,
So as to effectively avoid freezing, bonding the generation of failure.
The exhalation valve makes entirely to breathe out by the way that the fastening bolt 7 of the first valve deck outer end is passed through to be fixed in exhalation passages
Valve is fixed in exhalation passages.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although rotor is used more herein, valve disc, exhalation passages, sealing ring, rubber ring term, being not precluded makes
With the possibility of other terms.The use of these items is only for more easily describe and explain the essence of the present invention；It
Be construed to any one of the additional limitations and all disagreed with spirit of the present invention.
Claims (10)
1. a kind of antifreeze anti-sticking breather valve, including the exhalation valve for being arranged on exhalation passages outer end and the suction being arranged in air intake passage
Enter valve, it is characterized in that, the exhalation valve includes the first valve disc, the first valve deck being arranged on above the first valve disc, is arranged on first
The first guide-bar mechanism in valve disc and the first seal receptacle for being arranged on the first valve disc bottom periphery, the first guide-bar mechanism packet
The first guide rod chassis being arranged in the first valve disc and one end is included vertically to be fixedly connected on the first of the first guide rod chassis chassis and lead
Roofbolt, the first guide rod column other end are fixed on valve deck；The inlet valve includes the second valve disc, is arranged in the second valve disc
The second guide-bar mechanism and be arranged on the second seal receptacle of the second valve disc bottom periphery, second guide-bar mechanism includes setting
The second guide rod chassis and one end in the second valve disc are vertically fixedly connected on the second guide rod column on the second guide rod chassis chassis, institute
The second guide rod column other end is stated to be fixed on air intake passage.
2. the antifreeze anti-sticking breather valve of one kind according to claim 1, it is characterized in that first valve disc and the second valve disc are
Hollow disc.
3. the antifreeze anti-sticking breather valve of one kind according to claim 1, it is characterized in that the first valve disc disk top surface is circumferentially equal
There are four outwardly projecting first guide rod hole, the second valve disc disk top surface is circumferentially uniformly arranged that there are four protrude outward for even setting
The second guide rod hole, the first guide rod bore dia be more than the first guide rod column diameter, the second guide rod bore dia be more than second
Guide rod column diameter.
4. the antifreeze anti-sticking breather valve of one kind according to claim 1, it is characterized in that in first valve disc and the second valve disc
It is injected with 0W type lubricating oil.
5. the antifreeze anti-sticking breather valve of one kind according to claim 4, it is characterized in that the injection rate of the 0W types lubricating oil is
Water level is just above the first guide rod chassis and the first guide rod chassis position.
6. the antifreeze anti-sticking breather valve of one kind according to claim 2, it is characterized in that first valve disc and the second valve disc
Valve disc bottom surface disk is perpendicular to valve disc bottom surface with the circle center line connecting of valve disc top surface disk, and valve disc bottom surface disk diameter is less than valve disc
Top surface disk and valve disc bottom surface disk and the junction of top surface disk and valve disc bottom surface disk and top surface disk are right angle.
7. the antifreeze anti-sticking breather valve of one kind according to claim 1, it is characterized in that the outer diameter on the first guide rod chassis is small
In 2 centimetres of the first valve disc internal diameter, the outer diameter on the second guide rod chassis is less than 2 centimetres of the second valve disc internal diameter, first guide rod
The outer edge on chassis and the second guide rod chassis is all wrapped with the rubber ring of one layer of 1 cm thick.
8. the antifreeze anti-sticking breather valve of one kind according to claim 7, it is characterized in that the first guide rod chassis and second is led
Several circular holes are equipped on bar chassis.
9. the antifreeze anti-sticking breather valve of one kind according to claim 1, it is characterized in that first seal receptacle and the second sealing
Seat is annular shape, and annulus inside and upside are provided with several sawtooth.
10. the antifreeze anti-sticking breather valve of one kind according to claim 1, it is characterized in that the exhalation valve is by passing through the first valve
The fastening bolt of lid outer end is fixed in exhalation passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279394.9A CN108167489B (en) | 2017-12-06 | 2017-12-06 | Anti-freezing and anti-sticking breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279394.9A CN108167489B (en) | 2017-12-06 | 2017-12-06 | Anti-freezing and anti-sticking breather valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108167489A true CN108167489A (en) | 2018-06-15 |
| CN108167489B CN108167489B (en) | 2020-03-03 |
Family
ID=62525430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711279394.9A Active CN108167489B (en) | 2017-12-06 | 2017-12-06 | Anti-freezing and anti-sticking breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108167489B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013143A (en) * | 2019-05-30 | 2020-12-01 | 中国石油化工股份有限公司 | Fire-retardant type breather valve for stratum water storage tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2150413Y (en) * | 1993-03-23 | 1993-12-22 | 中国石化北京设计院 | Fire-retardant breather valve for oil tank |
| KR101380829B1 (en) * | 2012-10-25 | 2014-04-04 | 주식회사 탑세이프 | Vacuum relief valve |
| CN104930231A (en) * | 2015-06-02 | 2015-09-23 | 精凯(天津)阀门制造有限公司 | Pressure vacuum relief valve |
| CN204942668U (en) * | 2015-09-17 | 2016-01-06 | 罗浮阀门集团有限公司 | A kind of fire-retardant breather valve |
-
2017
- 2017-12-06 CN CN201711279394.9A patent/CN108167489B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2150413Y (en) * | 1993-03-23 | 1993-12-22 | 中国石化北京设计院 | Fire-retardant breather valve for oil tank |
| KR101380829B1 (en) * | 2012-10-25 | 2014-04-04 | 주식회사 탑세이프 | Vacuum relief valve |
| CN104930231A (en) * | 2015-06-02 | 2015-09-23 | 精凯(天津)阀门制造有限公司 | Pressure vacuum relief valve |
| CN204942668U (en) * | 2015-09-17 | 2016-01-06 | 罗浮阀门集团有限公司 | A kind of fire-retardant breather valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013143A (en) * | 2019-05-30 | 2020-12-01 | 中国石油化工股份有限公司 | Fire-retardant type breather valve for stratum water storage tank |
| CN112013143B (en) * | 2019-05-30 | 2022-05-24 | 中国石油化工股份有限公司 | Fire-retardant type breather valve for stratum water storage tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108167489B (en) | 2020-03-03 |
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