CN106917892A - A kind of container built-in gas pressure self-con-tained unit - Google Patents
A kind of container built-in gas pressure self-con-tained unit Download PDFInfo
- Publication number
- CN106917892A CN106917892A CN201510975459.8A CN201510975459A CN106917892A CN 106917892 A CN106917892 A CN 106917892A CN 201510975459 A CN201510975459 A CN 201510975459A CN 106917892 A CN106917892 A CN 106917892A
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- Prior art keywords
- pressure
- control device
- gas
- container
- automatic control
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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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Dispensing Beverages (AREA)
Abstract
The present invention provides a kind of gas pressure self-con-tained unit being placed in inside container, carrys out default pressure almost constant in holding container.The pressure automatic control device includes pressure-control valve, attached with air accumulator and its inflation inlet.Pressure-control valve preset pressure in built-in air chamber, when container internal pressure is less than the preset value, valve opening is attached to start to make-up gas in container with air accumulator；When equal to the preset value, valve closing is attached to stop to make-up gas in container with air accumulator.The pressure automatic control device and appropriate containers are configured, and for storing, transporting and distribute liquid that is oxidizable, volatile or being easily microorganism pollution, the Keep the quality and freshness effect that makes such fluid product is more preferable, the time limit is longer.
Description
Many liquid form products, such as paint, reagent, beverage (such as fruit drink, beer) and other food (such as milk), all because oxidizable, volatile or be easily the reason such as microorganism pollution, open need after packaging within a short period of time using or edible finish.Used if necessary to extension or open date, it is necessary to be connected with container special purpose interface with the external gas pressure control device, by inertia or innocuous gas, produce pressure differential that required liquid is discharged into container.So can just avoid the harmful ingress of the process of taking, it is to avoid or reduce infringement internal product quality.
Existing liquid takes technology to be needed at source outlet with a pressure-reducing valve or pressure maintaining valve, protects pipeline and container, and control to discharge liquid velocity.For example, device for beer on draft uses additional CO2Source of the gas tank, tank gas outlet dress pressure maintaining valve, and be connected with flexible pipe with beer barrel.This is arranged and is applied to CO needed for beer barrel is provided2, as go out wine driving force and dissolving CO2Source.Although volatilization during taking can be blocked to escape, and oxygen and harmful microbe are invaded in air, this set facility is relatively costly, Portable belt, relative complex, operating characteristics be not good yet.
Another example is the canned self-spraying paint of commercial type.This product just starts the used time, and because air pressure inside is higher, paint speed.But can gradually weaken with using air pressure, spray painting speed is also corresponding slack-off, so that influence operating rate and quality.When workload is big, such as house decoration or small engineering project will use many tank products.Product is difficult emptying in spray paint can, can there is residual in each tank, the wasting of resources is caused, also as the difficult problem of environmental protection.The few larger packagings of painting, even and if have, operate also inconvenient, such as to be sprayed using high-pressure air source, house decoration, mini engineering or mobile operational process are all difficult to.
Pressure automatic control device provided by the present invention, coordinates appropriate containers to use, and can be prevented effectively from the shortcoming disadvantage of prior art, and with low cost, safe and reliable.When container inner pressure changes, the pressure automatic control device can automatically turn on or close gas source valve, and container inner pressure is adjusted by preset pressure.
This pressure automatic control device is salable to be installed on inside institute's dispensing container, is blocked fluid product volatilization and is escaped, ingress of air, and microorganism pollution.In transport is stored and after enabling, this pressure automatic control device can maintain preset pressure substantially constant in container, make the Keep the quality and freshness of fluid product, and the effect more preferable time limit is longer.Can continue after enabling it is fresh-keeping, for many beverages, such as red wine, beer on draft, carbonated drink, with special significance.
In technical scheme provided by the present invention, the pressure automatic control apparatus structure is simple, is easy to carry, and coordinates appropriate containers to use, and especially operation is not required to substantially.Because going out the inner external differential of liquid, container liquid outlet may be provided in any position, it is not necessary to which one is scheduled on bottom, liquid taking is more facilitated.When beer on draft, it is not only suitable for enjoying at home, also can be used for party picnic, meets the different demands to fresh beer on draft.Based on this new pressure automatic control device, CO is preset2Pressure can provide enough driving forces, the beverage of distributing according to need.Additionally, maintaining default optimum pressure, O in air can be prevented2Invade to extend the Keep the quality and freshness time limit, reach CO2Balance concentration of ordinary dissolution can also lift beer on draft mouthfeel.
When the present invention is for paint can, product economy material benefit, and for house decoration project, mini engineering, mobile operational process etc. provide greatly convenient, both without another standby gas storage steel cylinder and pressure control device, can avoid connecting more because of pipeline again, leakage occur and pollute.
Brief description of the drawings, Fig. 1 is the first scheme of this device, and Fig. 2 is the second scheme of this device, and Fig. 3 is the third scheme of this device.
With reference to based on three kinds of embodiments of the invention, carry out referring to the drawings exemplary illustrated.In the drawings：
Fig. 1 is shown based on the first embodiment of the invention, or " bright chamber " scheme, because piston direct feeling institute dispensing container internal pressure in control device.From view, the pressure automatic control device is by control device 10, and valve 15 is attached to be constituted with air accumulator 19, and inflation inlet 20.It is attached to be connected by screw mechanism 17 with valve 15 with air accumulator 19.Control device 10 is made up of housing 1, piston 3, sealing ring 4, drier 6, air chamber 5.Valve 15 is made up of needle 7, spring 8, gas outlet 2, throttle orifice 12.There are sealing gasket 9, and intercommunicating pore 18 on needle-valve 15, connection chamber 11 and the first embodiment of institute's dispensing container inner space 13. preset pressure on request in built-in air chamber 5.Piston 3 in control device 10, directly bears 13 pressure of institute's dispensing container inside.When 13 pressure of institute's dispensing container inside reach 5 preset pressure of air chamber, in the case where piston transmits pressure, and by the power of back-moving spring 8, descending compression sealing gasket 9 closes gas outlet 2 to needle 7, and gas stops outer releasing in air accumulator 19.
As 13 liquid of container inside are discharged, its internal pressure is gradually decreased, so that less than pressure in air chamber 5.At this moment, piston 3 is up by the expansive force of air chamber 5, and revolts spring 8 and act on, and drives needle 7 to open gas outlet 2.Gas 16 is by throttle orifice 12 in air accumulator 19, is released to chamber 11 by passage 14, then outside finite gap system between needle 7 and gas outlet 2.Into the gas of chamber 11, by intercommunicating pore 18, container inside 13 is entered back into, and its pressure is gradually gone up, until reaching preset pressure again.So move in circles, the pressure automatic control device based on the first embodiment can maintain institute's dispensing container internal pressure substantially constant according to pressure is preset.
Fig. 2 is shown based on second embodiment of the invention, or " dark chamber " scheme, because piston not direct feeling institute dispensing container internal pressure in control device.From side view, the pressure automatic control device is by control device 10, and valve 15 is attached to be constituted with air accumulator 19, and inflation inlet 20.It is attached to be connected by screw mechanism 17 with valve 15 with air accumulator 19.Control device 10 is made up of housing 1, piston 3, sealing ring 4, drier 6, air chamber 5.Valve 15 is made up of needle 7, spring 8, gas outlet 2, throttle orifice 12.There are sealing gasket 9, and intercommunicating pore 18, connection chamber 11 and institute's dispensing container inner space 13. on valve 15
Second embodiment preset pressure on request in built-in air chamber 5.It is different from the first embodiment, the piston 3 in control device 10, not direct feeling institute dispensing container inside 13 pressure.When 13 pressure of institute's dispensing container inside reach 5 preset pressure of air chamber, in the case where piston transmits pulling force, and by the power of back-moving spring 8, up compression sealing gasket 9 closes gas outlet 2 to needle 7, and gas stops outer releasing in air accumulator 19.
As 13 liquid of container inside are discharged, its internal pressure is gradually decreased, so that less than pressure in air chamber 5.At this moment, piston 3 is descending by the expansive force of air chamber 5, and revolts spring 8 and act on, and promotes needle 7 to open gas outlet 2.Gas 16 is by throttle orifice 12 in air accumulator 19, is released to chamber 11 by passage 14, then outside finite gap system between needle-valve 7 and gas outlet 2.Into the gas of chamber 11, by intercommunicating pore 18, container inside 13 is entered back into, and its pressure is gradually gone up, until reaching preset pressure again.So move in circles, based on second pressure automatic control device of embodiment, institute's dispensing container internal pressure substantially constant can be maintained according to pressure is preset.
Implementation of the invention, there can be various changes, such as, the third embodiment, exactly a kind of " dark chamber " scheme for having changed, be embodied in valve rod 7 be provided with blind chamber 23, radial hole 22 and radial hole 24. be independent of with valve casing body space, but by the blind chamber 23 of the valve rod, radial hole 22 and the interface channel of radial hole 24.In such an implementation, as shown in figure 3, having a blind chamber 23 in axial direction on valve rod 7, its bottom flushes with the top of the shoulder 21 on valve rod 7.Against the top of a shoulder 21 at least radial hole 22, communicated in bottom with blind chamber 23.Also at least separately there is a radial hole 24 on valve rod 7, near the valve stem top for being used for connecting piston 3.
Shown in Fig. 3 when 13 pressure of institute's dispensing container inside reach 5 preset pressure of air chamber, valve rod 7 is in the case where piston transmits pulling force effect and up by the power of back-moving spring 8, its top of shoulder 21 compresses sealing gasket 9, radial hole 22 is shut, the path of outlet is blocked, gas stops outer releasing in gas tank 19.
As 13 liquid of container inside are discharged, its internal pressure is gradually decreased, so that less than pressure in air chamber 5.At this moment, piston 3 is descending by the expansive force of air chamber 5, and revolts spring 8 and act on, and promotes 7 upper shoulder of valve rod 21 to depart from sealing gasket 9, and radial hole 22 is opened.Gas 16 passes through throttle orifice 12 in air accumulator 19, by passage 14, from radial hole 22, and the blind chamber 23 into valve rod, and released from outside radial hole 24 to chamber 11.Into the gas of chamber 11, by intercommunicating pore 18, container inside 13 is entered back into, and its pressure is gradually gone up, until reaching preset pressure again.So move in circles, the pressure automatic control device based on the third embodiment can maintain institute's dispensing container internal pressure substantially constant according to pressure is preset.
The present invention as shown in Figure 1, Figure 2, the lower section of Fig. 3 air accumulators 19 be provided with inflation inlet 20, and reserved container installs mechanism, to facilitate inflation and change.The purpose for changeing is the pressure automatic control device is partly or entirely recycled, with sharp environmental protection and reduces cost.Possess independent inflation inlet, be suitable for different commodity production technological requirements, if desired for intensification, particularly beer pasteurize can be reinflated after sterilization.
Drier 6 is housed on piston 3, keeps drying in air chamber 5 to make pressure stability, and wrapped up by micron order screen cloth, drier is not disperseed.
As cost is allowed, the attached of this pressure automatic control device also can not separately set inflation inlet with air accumulator, and container overall time is used and reclaimed.
Based on pressure automatic control device of the invention, in principle also can so as to avoid intrusion because of external oxygen and microorganism caused by beverage pollute, beneficial to fresh-keeping.The pressure apparatus is arranged on container bottom, with conveniently replaced and inflation.
Based on pressure automatic control device of the invention, closing or semiclosed gas station or environment are equally applicable in principle.
Claims (10)
1. a kind of gas pressure self-con-tained unit being placed in inside container, comes in holding container to preset
Pressure almost constant, pressure-control valve preset pressure in built-in air chamber, when in container
Portion's pressure is less than the preset value, and valve opening is attached to start to make-up gas in container with air accumulator；
When equal to the preset value, valve closing is attached to stop to make-up gas in container, institute with air accumulator
State pressure automatic control device to be configured with appropriate containers, for storing, transporting and distributing oxidizable, easy
Volatilization is easily the liquid of microorganism pollution.
2. a kind of pressure automatic control device according to claim 1, its pressure-control valve is by holding
Pressure in the gentle room of pressure in device, there is provided the driving force of piston, and then open and close gas source switch.
3. a kind of pressure automatic control device according to claim 1, is described first and second kinds
Embodiment, at various pressures using when, its needle has different cross-sectional, and piston also has not
Same sectional area, preset pressure is different in air chamber.
4. a kind of pressure automatic control device according to claim 1, its is attached to have absorption with air accumulator
Adsorbing medium, such as activated carbon.
5. a kind of pressure automatic control device according to claim 1, it is high pressure with air accumulator that its is attached
Steel cylinder or low pressure inhalator jar, filled with gaseous atmospheres or liquid gas or gas-liquid mixed in the air accumulator
Gas.
6. a kind of pressure automatic control device according to claim 1, its is attached with being equipped with air accumulator
The chemical material and related mechanism of gas needed for producing.
7. a kind of pressure automatic control device according to claim 1 and attached with air accumulator, is installed on
Any position in institute's dispensing container inside.
8. a kind of inflation inlet of pressure automatic control device according to claim 7 is fixed on container,
And expose, convenient inflation.
9. a kind of pressure automatic control device according to claim 1, its attached not set with air accumulator is filled
Gas port, any position being placed in inside institute's dispensing container, used with institute dispensing container overall time and
Reclaim.
10. a kind of pressure automatic control device according to claim 1, for closing or semiclosed gas
Body situation or environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975459.8A CN106917892A (en) | 2015-12-24 | 2015-12-24 | A kind of container built-in gas pressure self-con-tained unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975459.8A CN106917892A (en) | 2015-12-24 | 2015-12-24 | A kind of container built-in gas pressure self-con-tained unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106917892A true CN106917892A (en) | 2017-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510975459.8A Pending CN106917892A (en) | 2015-12-24 | 2015-12-24 | A kind of container built-in gas pressure self-con-tained unit |
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| CN (1) | CN106917892A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0262485A (en) * | 1988-08-29 | 1990-03-02 | Neriki:Kk | Flow control valve for gas storage container and flow control valve included container valve for gas storage container |
| WO2000035774A1 (en) * | 1998-12-16 | 2000-06-22 | Heineken Technical Services B.V. | Container for dispensing fluid, comprising a pressure control device with activation step |
| CN1371457A (en) * | 1999-09-02 | 2002-09-25 | 盛夏阳 | Pressure regulator and method of use |
| CN101858356A (en) * | 2010-05-21 | 2010-10-13 | 先驱塑胶电子（惠州）有限公司 | Inflation and deflation control device |
| CN204239842U (en) * | 2014-11-28 | 2015-04-01 | 广东梅雁吉祥水电股份有限公司 | A kind of embedded automatic air supply device for turbine chamber |
-
2015
- 2015-12-24 CN CN201510975459.8A patent/CN106917892A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0262485A (en) * | 1988-08-29 | 1990-03-02 | Neriki:Kk | Flow control valve for gas storage container and flow control valve included container valve for gas storage container |
| WO2000035774A1 (en) * | 1998-12-16 | 2000-06-22 | Heineken Technical Services B.V. | Container for dispensing fluid, comprising a pressure control device with activation step |
| CN1371457A (en) * | 1999-09-02 | 2002-09-25 | 盛夏阳 | Pressure regulator and method of use |
| CN101858356A (en) * | 2010-05-21 | 2010-10-13 | 先驱塑胶电子（惠州）有限公司 | Inflation and deflation control device |
| CN204239842U (en) * | 2014-11-28 | 2015-04-01 | 广东梅雁吉祥水电股份有限公司 | A kind of embedded automatic air supply device for turbine chamber |
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Application publication date: 20170704 |
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