CN202081885U - Anti-freezing pressure gauge - Google Patents
Anti-freezing pressure gauge Download PDFInfo
- Publication number
- CN202081885U CN202081885U CN2011200147258U CN201120014725U CN202081885U CN 202081885 U CN202081885 U CN 202081885U CN 2011200147258 U CN2011200147258 U CN 2011200147258U CN 201120014725 U CN201120014725 U CN 201120014725U CN 202081885 U CN202081885 U CN 202081885U
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- pressure
- pressure meter
- pressure gauge
- inner chamber
- spring tube
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Abstract
The utility model relates to the technical field of pressure gauge devices and particularly relates to an anti-freezing pressure gauge in the technical field of anti-freezing of the pressure gauges. The technical scheme is as follows: an inner cavity of a spring tube of the pressure gauge and a pressure-leading straight tube section of a pressure gauge body are full of anti-freezing material so as to prevent water in a tube line from entering into the pressure gauge and avoid permanent deformation or damages on the spring tube of the pressure gauge due to volume expansion during the process that the water becomes ice. Simultaneously, as an overflow small hole is formed on the side surface of a concave port of a British system to metric system joint of the pressure gauge, and the phenomenon that the pressure gauge is damaged due to pressure sharp increase in the British system to metric system joint of the pressure gauge caused by that the water in the concave port can not be drained to the outside when the pressure gauge is mounted can be also avoided.
Description
Technical field:
The utility model relates to the pressure meter device technical field, particularly pressure meter freezing proof technique field.
Background technology:
In oilfield exploitation oil process, the on-the-spot working pressure table of often open-air working pressure table, particularly water injection well is very general.Pressure meter dispatch from the factory be mounted use before the time, the bourdon tube inner chamber of pressure meter inside partly is the cavity that contains air and have certain volume, when it is installed in when using on the high pressure water injection well lines, the water pipeline pressure inside will make the water of water pipeline inside will enter the pressure gage spring tube inner chamber.When water pipeline pressure is big more, the volume of air in the bourdon tube will be compressed more for a short time, and the volume that the water of water pipeline inside enters into the bourdon tube inner chamber is just many more.As when being mounted in pressure meter on the open water pipeline and running into low temperature environment, the water that enters the pressure gage spring tube inner chamber will freezing and expansion, make the bourdon tube shape and structure generation permanent deformation of pressure meter inside, the build-up of pressure table can not fall zero at atmospheric pressure state downforce list index, makes pressure meter lose accurate pressure measurement ability.When environment temperature lifting occurs repeatedly near freezing point temperature, the phenomenon of going round and beginning again that the frequent appearance of water meeting in the pressure meter contained spring pipe is melted → frozen, pressure meter contained spring tube shape can further be expanded by ice and be out of shape, and causes the pressure gage spring tube breakage when serious, and is accidents caused.
The utility model content:
The purpose of this utility model is to carry a kind of altogether anti-freeze pressure meter, and when pressure meter was installed on the high-pressure water pipeline in use, the bourdon tube of pressure meter inside can not enter the water that easily freezes, and pressure meter can carry out normal pressure measurement work in certain low temperature range.
To achieve these goals, the technical solution of the utility model is:
Anti-freeze pressure meter is to form jointly by being full of cryoprotective substance and the carry potential overflow hole pressure meter metric system joint 4 that changes made in Great Britain in pressure gage spring tube 1 inner chamber, pressure meter body impulse straight length 3 inner chambers.
In pressure gage spring tube 1 inner chamber, pressure meter body impulse straight length 3 inner chambers, be full of the cryoprotective substance that is lower than the environment for use temperature and does not produce solidification phenomenon.Also can in pressure gage spring tube 1 inner chamber, pressure meter body impulse straight length 3 inner chambers, place low temperature resistant, soft porous aggregate, be full of cryoprotective substance in the soft porous aggregate.When anti-freeze pressure meter and carry potential overflow hole pressure meter are made in Great Britain when changeing the metric system joint and being installed in high-pressure water pipeline, owing to be full of the cryoprotective substance of difficult compression in pressure gage spring tube inner chamber, pressure meter body impulse straight length inner chamber, the pressure meter short circuit head hole, the water in the high pressure line can't enter the pressure gage spring tube inner chamber.When pressure meter uses the ring environment temperature low, after also just can not existing water to build-up ice to expand, the pressure gage spring tube inner chamber do not cause pressure gage spring tube compressive deformation or damaged phenomenon.
Offer matrix port side overflow aperture 5 in carry potential overflow hole pressure meter matrix port side of changeing metric system joint 4 made in Great Britain.When having liquid in original pressure tapping, during the setting pressure table, the turn pressure meter can rise by build-up of pressure table bourdon tube chamber pressure, and there is the phenomenon that may overturn in gauge hand.Pressure meter metric system joint that changes made in Great Britain in this carry potential overflow hole can guarantee that the pressure meter liquid that changes in the metric system joint made in Great Britain flows out automatically, overcome when having liquid in original pressure tapping, during the setting pressure table, the turn pressure meter can rise by build-up of pressure table bourdon tube chamber pressure, and there is the phenomenon that may overturn in gauge hand.
Made in Great Britain the commentaries on classics in the metric system joint 4 male end interfaces of carry potential overflow hole pressure meter one " product " font shoulder hole 7 is arranged.Before pressure meter is installed, the low temperature butter packed in " product " font shoulder hole, help further stoping water to enter in the pressure meter like this.
The utility model beneficial effect is: 1, be full of cryoprotective substance in pressure gage spring tube inner chamber, the pressure meter body impulse straight length inner chamber, can prevent that water under high pressure from entering pressure gage spring tube inner chamber, pressure meter body impulse straight length inner chamber, make pressure meter build-up of pressure table bourdon tube compressive deformation table when the environment for use temperature is low can not refer to zero or cause the pressure gage spring tube accidents caused phenomenon of breaking.2, can prevent to have corrosive liquids or gas and enter the bourdon tube inner chamber of pressure meter weakness and cause the corrosion of copper bourdon tube, prolong pressure gage spring tube application life.3, pressure meter interior " product " font shoulder hole of metric system joint that changes made in Great Britain in carry potential overflow hole can prevent that the ice crystal material from forming column bourdon tube is exerted pressure.When 4 carry potential overflow hole pressure meters commentaries on classics made in Great Britain metric system joint can prevent the setting pressure table, the water in the matrix port can't be discharged, and build-up of pressure table English system is changeed poly-the increasing of metric system joint internal pressure and damaged manometric phenomenon.
Description of drawings:
Fig. 1 is pressure gage spring tube inner chamber, pressure meter body impulse straight length, pressure meter English commentaries on classics metric system joint sectional drawing.
See Fig. 1, a kind of anti-freeze pressure meter device comprises: pressure gage spring tube 1, pressure gage spring tube inner chamber cryoprotective substance 2, pressure meter body impulse straight length 3, carry potential overflow hole pressure meter metric system joint 4, the matrix port side overflow aperture 5 of changeing made in Great Britain, pressure meter gasket seal 6, " product " font shoulder hole 7.
The specific embodiment:
In order to further describe the utility model, illustrate with concrete case study on implementation one below in conjunction with accompanying drawing.
Implement one:
Be full of the low temperature butter in Fig. 1 pressure gage spring tube 1 inner chamber, pressure meter body impulse straight length 3 inner chambers.Because the low temperature butter also has certain fluidity in the time of-60 ℃, and the coefficient of cubical expansion of low temperature butter is less.Can make pressure meter when low temperature, show original design characteristics, when normal temperature,, can make the low temperature butter that is fed in pressure gage spring tube 1 inner chamber, the pressure meter body impulse straight length 3 be difficult for flowing out because the low temperature butter has very high viscosity.Offer matrix port side overflow aperture 5 in carry potential overflow hole pressure meter matrix port side of changeing metric system joint 4 made in Great Britain, do not contain liquid in the matrix port of pressure meter commentaries on classics made in Great Britain metric system joint 4 when guaranteeing the setting pressure table.Made in Great Britain the commentaries on classics in the metric system joint 4 male end interfaces of carry potential overflow hole pressure meter one " product " font shoulder hole 7 is arranged, can guarantee further that the cryoprotective substance in pressure gage spring tube 1 inner chamber does not leak.
Implement two:
In pressure gage spring tube inner chamber, pressure meter body impulse straight length, place low temperature resistant, soft porous aggregate, be full of cryoprotective substance in the soft porous aggregate.But low temperature resistant, soft porous aggregate absorption cryoprotective substance also can prevent that cryoprotective substance from flowing out in pressure meter impulse straight length.
Certainly, the embodiment of the above is a better embodiment of the present utility model, is not to limit the utility model practical range.So all equivalences of doing according to the described principle of the utility model claim, feature change or modify, and are included in the utility model claim.
Claims (5)
1. an anti-freeze pressure meter is characterized in that comprising: be full of cryoprotective substance and the carry potential overflow hole pressure meter common composition of metric system joint (4) that changes made in Great Britain in pressure gage spring tube (1) inner chamber, pressure meter body impulse straight length (3) inner chamber.
2. according to claim 1 anti-freeze pressure meter device, it is characterized in that: offer matrix port side overflow aperture (5) in carry potential overflow hole pressure meter matrix port side of changeing metric system joint (4) made in Great Britain.
3. according to claim 1 anti-freeze pressure meter device, it is characterized in that: one " product " font shoulder holes (7) are arranged made in Great Britain the commentaries on classics in metric system joint (4) the male end interface of carry potential overflow hole pressure meter.
4. according to claim 1 anti-freeze pressure meter device, it is characterized in that: in pressure gage spring tube (1) inner chamber, pressure meter body impulse straight length (3) inner chamber, be full of the cryoprotective substance that is lower than the environment for use temperature and does not produce solidification phenomenon.
5. according to claim 1 anti-freeze pressure meter device, it is characterized in that: in pressure gage spring tube (1) inner chamber, pressure meter body impulse straight length (3) inner chamber, place low temperature resistant, soft porous aggregate, be full of cryoprotective substance in the soft porous aggregate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200147258U CN202081885U (en) | 2011-01-18 | 2011-01-18 | Anti-freezing pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200147258U CN202081885U (en) | 2011-01-18 | 2011-01-18 | Anti-freezing pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202081885U true CN202081885U (en) | 2011-12-21 |
Family
ID=45342521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200147258U Expired - Fee Related CN202081885U (en) | 2011-01-18 | 2011-01-18 | Anti-freezing pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202081885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502018A (en) * | 2014-12-27 | 2015-04-08 | 东莞品派实业投资有限公司 | Anti-freezing pressure gauge |
| CN105571765A (en) * | 2015-12-15 | 2016-05-11 | 长春航空液压控制有限公司 | Single point pressure measuring device with anti-icing function |
-
2011
- 2011-01-18 CN CN2011200147258U patent/CN202081885U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502018A (en) * | 2014-12-27 | 2015-04-08 | 东莞品派实业投资有限公司 | Anti-freezing pressure gauge |
| CN105571765A (en) * | 2015-12-15 | 2016-05-11 | 长春航空液压控制有限公司 | Single point pressure measuring device with anti-icing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20140118 |