CN207297997U - A kind of breather valve equipment - Google Patents
A kind of breather valve equipment Download PDFInfo
- Publication number
- CN207297997U CN207297997U CN201721312646.9U CN201721312646U CN207297997U CN 207297997 U CN207297997 U CN 207297997U CN 201721312646 U CN201721312646 U CN 201721312646U CN 207297997 U CN207297997 U CN 207297997U
- Authority
- CN
- China
- Prior art keywords
- pressure
- air bag
- valve body
- inner cavity
- piston
- 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.)
- Expired - Fee Related
Links
Landscapes
- Closures For Containers (AREA)
Abstract
It the utility model is related to a kind of breather valve equipment, including valve body, it is characterised in that：Leakage port and air entry are provided with the valve body, the inner cavity of the valve body is provided with air bag, the lower end of the air bag is fixed on the intracavity bottom of valve body, upper end is fixed with piston, the piston is movably arranged in leakage port, and L-shaped channel is provided with the piston, and air entry inner cavity upper end is connected with sealing plate by torsional spring, lower end is twisted sealing plate and air entry is sealed upwards by tracheae and air bag inner cavity unicom, the torsional spring.By using the expansion and diminution of air bag, the positive/negative-pressure of body cavity is set to achieve the purpose that balance, have the function of that autobarotropy is released, pressurize and negative pressure suck, the function that positive pressure is released with negative pressure suction can be realized at the same time, the inside and outside pressure of autobalance container, the advantages of security is good, and maintenance cost is low.
Description
Technical field
The utility model belongs to valve technology field, more particularly to a kind of breather valve equipment.
Background technology
Breather valve is to safeguard that cartridge gas pressure balances, and reduces the energy-saving safe product of medium volatilization, breather valve makes full use of storage
The bearing capacity of tank in itself reduces media discharge, its principle controlled using the weight of positive/negative-pressure valve discStorage tankExhaust just
Pressure and intake negative-pressure；When extracting medium out outside toward tank, decline the pressure of the tank internal upper part gas compartment, the operation for reaching breather valve is born
During pressure, the air outside tank will be open-topBreather valveNegative pressure valve disc it is open-top, make ambient atmos enter tank in, make in tankPressureNo longer
Continue to decline, allow in tank with the air pressure balance outside tank, to protect the safety device of storage tank.
Patent No.CN2695747, the applying date is2004-04-30, disclose a kind of breather valve, including valve body, valve seat
And spool, it is characterised in that：Further include sealing ring, expiration spring and air-breathing spring；The end that the valve seat is contacted with spool
Face is equipped with the baltimore groove of installation sealing ring, and valve seat center is equipped with the pilot hole coordinated with the spool, is set on the inside of valve seat
Have with pilot hole it is coaxial, place the two-stage step of expiration spring and air-breathing spring；The sealing ring at the same time with the valve
Sealing surface fitting on sealing surface and the valve body on core.
Above-mentioned patent is coordinated by spool using the sealing ring on the axial seal structure and valve seat of axial force distribution, and valve
Body is then coordinated using cone structure and sealing ring, that is, ensures the safety of container, and can guarantee that protection and the safety of container product.
But when container releases pressure, extraneous air can not be added in container and held, it is necessary to install valve supplement outside container
Negative pressure in device, it is impossible to the function of realizing that positive pressure is released with negative pressure suction in closed vessel is used alone.
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, there is provided a kind of breather valve equipment,
The function that positive pressure is released with negative pressure suction can be realized in closed vessel.
To achieve the above object, the technical solution adopted in the utility model is as follows.
A kind of breather valve equipment, including valve body, it is characterised in that：Leakage port and air entry, institute are provided with the valve body
The inner cavity for stating valve body is provided with air bag, and the lower end of the air bag is fixed on the intracavity bottom of valve body, and upper end is fixed with piston, described
Piston is movably arranged in leakage port, and L-shaped channel is provided with the piston, and air entry inner cavity upper end is connected by torsional spring
Sealing plate is connected to, lower end is twisted sealing plate and air entry is sealed upwards by tracheae and air bag inner cavity unicom, the torsional spring.
The air bag is communicated with air pump by pipeline, and valve is provided with the pipeline.
The outer surface of the piston is coated with ceramic gasket.
The sealing plate uses nitrile rubber.
The torsional spring uses silicon-manganese spring steel silk.
Using the utility model has the advantage of.
1st, by using the expansion and diminution of air bag, when forming negative pressure in container, the pressure in air bag is higher than valve body
Pressure, air bag can expand, while the pressure in air bag is less than the pressure of external atmosphere pressure, be acted in the pressure of atmospheric pressure
Under, atmospheric pressure promotes sealing plate to be rotated down around air entry, and air bag inner cavity is connected with ambient atmosphere, until the pressure of air bag inner cavity
By force with the pressure equilibrium of body cavity, reach the function of negative pressure suction, air bag, which expands, at this time up promotes piston, logical on piston
Road is deflated the luminal border sealing of mouth, and when forming positive pressure in container, the pressure in valve body is more than the pressure in air bag, air bag
Diminution is oppressed, air sac belt piston moves downward, and until the passage on piston connects the inner cavity of valve body with ambient atmosphere, makes
The purpose of the pressure release of body cavity, at this time, since the pressure of body cavity is more than ambient atmosphere pressure, sealing plate is by body cavity
Pressure compression air entry tightly so that the positive/negative-pressure of body cavity can achieve the purpose that balance, there is autobarotropy
Release, the function of pressurize and negative pressure suction, can realize the function that positive pressure is released with negative pressure suction, autobalance container at the same time
The advantages of inside and outside pressure, security is good, and maintenance cost is low.
2nd, the air pressure by air pump easy to control air bag, after ensureing that required air pressure, valve can ensure airbag aeration
Closing is sealed to it, prevents to leak.
3rd, ceramic gasket is coated with by the outer surface of piston, ceramic gasket has compressive resistance height, service life length.
4th, by nitrile rubber, oil resistivity is fabulous, and wearability is higher, and heat resistance is preferable, and bonding force is strong, strengthens its sealing
Property.
5th, by silicon-manganese spring steel silk, there are high tensile strength, elastic limit, high fatigue strength, there is certain through hardening
Property, be not easy decarburization.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Structure diagram when Fig. 2 sucks for the utility model negative pressure.
Structure diagram when Fig. 3 releases for the utility model positive pressure.
Marked in figure：1st, valve body, 2, air bag, 3, piston, 4, leakage port, 5, torsional spring, 6, air entry, 7, sealing plate, 8, logical
Road, 9, tracheae, 10, air pump, 11, valve.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of breather valve equipment, including valve body 1, leakage port 4 and air entry 6 are provided with the valve body 1,
The inner cavity of the valve body 1 is provided with air bag 2, and the lower end of the air bag 2 is fixed on the intracavity bottom of valve body 1, and upper end is fixed with work
Plug 3, the piston 3 is movably arranged in leakage port 4, is provided with L-shaped channel on the piston 3, on 6 inner cavity of air entry
End is connected with sealing plate 7 by torsional spring 5, and lower end twists sealing plate upwards by tracheae 9 and 2 inner cavity unicom of air bag, the torsional spring 5
7 pairs of air entries 6 seal.
By using the expansion and diminution of air bag 2, as shown in Fig. 2, when forming negative pressure in container, the pressure in air bag 2
Higher than the pressure of 1 inner cavity of valve body, air bag 2 can expand, while the pressure in air bag 2 is less than the pressure of external atmosphere pressure,
Under the pressure effect of atmospheric pressure, atmospheric pressure promotes sealing plate 7 to be rotated down around air entry 6, and 2 inner cavity of air bag connects with ambient atmosphere
It is logical, until the pressure and the pressure equilibrium of 1 inner cavity of valve body of 2 inner cavity of air bag, reach the function that negative pressure sucks, air bag 2 expands at this time
Up promote piston, the passage 8 on piston 3 is deflated the luminal border sealing of mouth 4, as shown in figure 3, when forming positive pressure in container
When, the pressure in valve body 1 is more than the pressure in air bag 2, and air bag 2 is oppressed diminution, and air bag 2 is moved downward with piston, until
Passage on piston connects the inner cavity of valve body 1 with ambient atmosphere, makes the purpose of the pressure release of 1 inner cavity of valve body, at this time, due to valve body
The pressure of 1 inner cavity is more than ambient atmosphere pressure, compression air entry 6 of the sealing plate 7 by the pressure of 1 inner cavity of valve body tightly, so that
The positive/negative-pressure of 1 inner cavity of valve body can achieve the purpose that balance, have the function of that autobarotropy is released, pressurize and negative pressure suck, energy
Enough functions of realizing positive pressure at the same time and release with negative pressure suction, the inside and outside pressure of autobalance container, security is good, and maintenance cost is low
The advantages of.
Embodiment 2
As shown in Figure 1, a kind of breather valve equipment, including valve body 1, leakage port 4 and air entry 6 are provided with the valve body 1,
The inner cavity of the valve body 1 is provided with air bag 2, and the lower end of the air bag 2 is fixed on the intracavity bottom of valve body 1, and upper end is fixed with work
Plug 3, the piston 3 is movably arranged in leakage port 4, is provided with L-shaped channel on the piston 3, on 6 inner cavity of air entry
End is connected with sealing plate 7 by torsional spring 5, and lower end twists sealing plate upwards by tracheae 9 and 2 inner cavity unicom of air bag, the torsional spring 5
7 pairs of air entries 6 seal.
The air bag 2 is communicated with air pump 10 by pipeline, and valve 11 is provided with the pipeline.
The outer surface of the piston 3 is coated with ceramic gasket.
By using the expansion and diminution of air bag 2, as shown in Fig. 2, when forming negative pressure in container, the pressure in air bag 2
Higher than the pressure of 1 inner cavity of valve body, air bag 2 can expand, while the pressure in air bag 2 is less than the pressure of external atmosphere pressure,
Under the pressure effect of atmospheric pressure, atmospheric pressure promotes sealing plate 7 to be rotated down around air entry 6, and 2 inner cavity of air bag connects with ambient atmosphere
It is logical, until the pressure and the pressure equilibrium of 1 inner cavity of valve body of 2 inner cavity of air bag, reach the function that negative pressure sucks, air bag 2 expands at this time
Up promote piston, the passage 8 on piston 3 is deflated the luminal border sealing of mouth 4, as shown in figure 3, when forming positive pressure in container
When, the pressure in valve body 1 is more than the pressure in air bag 2, and air bag 2 is oppressed diminution, and air bag 2 is moved downward with piston, until
Passage on piston connects the inner cavity of valve body 1 with ambient atmosphere, makes the purpose of the pressure release of 1 inner cavity of valve body, at this time, due to valve body
The pressure of 1 inner cavity is more than ambient atmosphere pressure, compression air entry 6 of the sealing plate 7 by the pressure of 1 inner cavity of valve body tightly, so that
The positive/negative-pressure of 1 inner cavity of valve body can achieve the purpose that balance, have the function of that autobarotropy is released, pressurize and negative pressure suck, energy
Enough functions of realizing positive pressure at the same time and release with negative pressure suction, the inside and outside pressure of autobalance container, security is good, and maintenance cost is low
The advantages of, the arrow in figure flows to direction for air pressure.
Air pressure by air pump 10 easy to control air bag 2, ensures required air pressure.
Ceramic gasket is coated with by the outer surface of piston 3, ceramic gasket has compressive resistance height, service life length.
Embodiment 3
As shown in Figure 1, a kind of breather valve equipment, including valve body 1, leakage port 4 and air entry 6 are provided with the valve body 1,
The inner cavity of the valve body 1 is provided with air bag 2, and the lower end of the air bag 2 is fixed on the intracavity bottom of valve body 1, and upper end is fixed with work
Plug 3, the piston 3 is movably arranged in leakage port 4, is provided with L-shaped channel on the piston 3, on 6 inner cavity of air entry
End is connected with sealing plate 7 by torsional spring 5, and lower end twists sealing plate upwards by tracheae 9 and 2 inner cavity unicom of air bag, the torsional spring 5
7 pairs of air entries 6 seal.
The air bag 2 is communicated with air pump by pipeline.
The outer surface of the piston 3 is coated with ceramic gasket.
The sealing plate 7 uses nitrile rubber.
The torsional spring 5 uses silicon-manganese spring steel silk.
By using the expansion and diminution of air bag 2, as shown in Fig. 2, when forming negative pressure in container, the pressure in air bag 2
Higher than the pressure of 1 inner cavity of valve body, air bag 2 can expand, while the pressure in air bag 2 is less than the pressure of external atmosphere pressure,
Under the pressure effect of atmospheric pressure, atmospheric pressure promotes sealing plate 7 to be rotated down around air entry 6, and 2 inner cavity of air bag connects with ambient atmosphere
It is logical, until the pressure and the pressure equilibrium of 1 inner cavity of valve body of 2 inner cavity of air bag, reach the function that negative pressure sucks, air bag 2 expands at this time
Up promote piston, the passage 8 on piston 3 is deflated the luminal border sealing of mouth 4, as shown in figure 3, when forming positive pressure in container
When, the pressure in valve body 1 is more than the pressure in air bag 2, and air bag 2 is oppressed diminution, and air bag 2 is moved downward with piston, until
Passage on piston connects the inner cavity of valve body 1 with ambient atmosphere, makes the purpose of the pressure release of 1 inner cavity of valve body, at this time, due to valve body
The pressure of 1 inner cavity is more than ambient atmosphere pressure, compression air entry 6 of the sealing plate 7 by the pressure of 1 inner cavity of valve body tightly, so that
The positive/negative-pressure of 1 inner cavity of valve body can achieve the purpose that balance, have the function of that autobarotropy is released, pressurize and negative pressure suck, energy
Enough functions of realizing positive pressure at the same time and release with negative pressure suction, the inside and outside pressure of autobalance container, security is good, and maintenance cost is low
The advantages of.
Air pressure by air pump 10 easy to control air bag 2, ensures required air pressure.
Ceramic gasket is coated with by the outer surface of piston 3, ceramic gasket has compressive resistance height, service life length.
By nitrile rubber, oil resistivity is fabulous, and wearability is higher, and heat resistance is preferable, and bonding force is strong, strengthens its leakproofness.
By silicon-manganese spring steel silk, there is high tensile strength, elastic limit, high fatigue strength, have certain quenching degree,
It is not easy decarburization.
Embodiment described above only expresses the embodiment of the application, its description is more specific and detailed, but simultaneously
Therefore the limitation to the application protection domain cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, on the premise of technical scheme design is not departed from, various modifications and improvements can be made, these belong to this
The protection domain of application.
Claims (5)
1. a kind of breather valve equipment, including valve body（1）, it is characterised in that：The valve body（1）On be provided with leakage port（4）And suction
Gas port（6）, the valve body（1）Inner cavity be provided with air bag（2）, the air bag（2）Lower end be fixed on valve body（1）Interior bottom of chamber
Portion, upper end are fixed with piston（3）, the piston（3）It is movably arranged on leakage port（4）It is interior, the piston（3）On be provided with L-shaped
Passage, the air entry（6）Inner cavity upper end passes through torsional spring（5）It is connected with sealing plate（7）, lower end passes through tracheae（9）With air bag
（2）Inner cavity unicom, the torsional spring（5）Twisting sealing plate upwards（7）To air entry（6）Sealed.
A kind of 2. breather valve equipment as claimed in claim 1, it is characterised in that：The air bag（2）Gas is communicated with by pipeline
Pump（10）, valve is installed on the pipeline（11）.
A kind of 3. breather valve equipment as claimed in claim 1, it is characterised in that：The piston（3）Outer surface be coated with pottery
Porcelain gasket.
A kind of 4. breather valve equipment as claimed in claim 1, it is characterised in that：The sealing plate（7）Using nitrile rubber.
A kind of 5. breather valve equipment as claimed in claim 1, it is characterised in that：The torsional spring（5）Using silicon-manganese spring steel silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312646.9U CN207297997U (en) | 2017-10-12 | 2017-10-12 | A kind of breather valve equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312646.9U CN207297997U (en) | 2017-10-12 | 2017-10-12 | A kind of breather valve equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297997U true CN207297997U (en) | 2018-05-01 |
Family
ID=62414982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721312646.9U Expired - Fee Related CN207297997U (en) | 2017-10-12 | 2017-10-12 | A kind of breather valve equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075410A (en) * | 2019-05-29 | 2019-08-02 | 张代磊 | A kind of novel stomach relief pipe of department of general surgery |
-
2017
- 2017-10-12 CN CN201721312646.9U patent/CN207297997U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075410A (en) * | 2019-05-29 | 2019-08-02 | 张代磊 | A kind of novel stomach relief pipe of department of general surgery |
| CN110075410B (en) * | 2019-05-29 | 2021-08-03 | 张代磊 | Gastrointestinal decompression tube for general surgery department |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207470863U (en) | A kind of type of respiration valve | |
| CN207297997U (en) | A kind of breather valve equipment | |
| CN106641347A (en) | Pressure-relief one-way valve | |
| CN104148563B (en) | Novel air pneumatic hammer | |
| CN101879901B (en) | Station passage for vacuum pipeline transportation | |
| CN104528220A (en) | Breather valve | |
| CN204403474U (en) | A kind of spring loaded breather valve | |
| CN201405845Y (en) | Passenger gangway in evacuated tube transportation | |
| CN208919194U (en) | A kind of temperature loading self-balancing hydro-pneumatic spring | |
| CN104389824A (en) | Leather bag type energy accumulator | |
| CN206858155U (en) | A kind of scalable entrucking oil filling riser of cylinder compression type | |
| CN207297986U (en) | A kind of breathing relief valve door | |
| CN206495589U (en) | A kind of floor spring with anti-detonation function | |
| CN111071288B (en) | Railway parking brake control valve | |
| CN211853516U (en) | Negative pressure filling hydrogen storage tank | |
| CN205323652U (en) | Sanitary -grade can take material to change mechanical seal structure's agitating unit | |
| CN111550564A (en) | Breather valve sealing device | |
| CN205956482U (en) | Safety valve | |
| CN207406759U (en) | Brake fluid fluid reservoir telescopic sealing device | |
| CN206501709U (en) | Fuel tank assembly | |
| CN204437258U (en) | Large sealing formula tank body positive/negative-pressure integrated protective device | |
| CN204784411U (en) | Big load hydraulic damper | |
| CN204226614U (en) | A kind of Ventilated cap of speed reducer | |
| CN204399159U (en) | A kind of relay valve of new valve structure | |
| CN212509580U (en) | Breather valve sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20211012 |