CN213120957U - Medium separator for pressure detection and pressure detection device - Google Patents
Medium separator for pressure detection and pressure detection device Download PDFInfo
- Publication number
- CN213120957U CN213120957U CN202021722610.XU CN202021722610U CN213120957U CN 213120957 U CN213120957 U CN 213120957U CN 202021722610 U CN202021722610 U CN 202021722610U CN 213120957 U CN213120957 U CN 213120957U
- Authority
- CN
- China
- Prior art keywords
- pressure
- medium
- piston
- pressure gauge
- separator
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 239000003921 oil Substances 0.000 claims abstract description 19
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 20
- 238000009530 blood pressure measurement Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 102000046255 Type III Sodium-Phosphate Cotransporter Proteins Human genes 0.000 description 1
- 108091006286 Type III sodium-phosphate co-transporters Proteins 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure detection is with medium separator and pressure measurement device, this medium separator includes: a housing and a piston; a through oil cylinder hole is arranged in the shell; the piston is arranged in the oil cylinder hole; the piston is used for isolating the measured medium and the pressure gauge so as to measure the pressure of the measured medium through pressure balance on two sides of the piston. The device includes: the pressure gauge comprises a conversion joint, a pressure gauge stop valve, a medium separator and a pressure gauge which are connected in sequence; the adapter is used for communicating the medium to be detected; hydraulic oil is filled in an oil cylinder hole between the piston and the pressure gauge; the piston is used for isolating the medium to be measured and the pressure gauge so as to measure the pressure of the medium to be measured through the pressure balance between the medium to be measured on two sides of the piston and the hydraulic oil. Through the utility model discloses, avoided the direct contact of manometer and surveyed medium, increased the suitability of ordinary manometer to the medium of being surveyed, reduced because the high corrosivity medium and adopted the cost in the aspect of the special manometer.
Description
Technical Field
The utility model relates to a pressure detection technical field, in particular to medium separator and pressure measurement for pressure measurement.
Background
Almost all pipelines in the oil drilling and production industry are pressure pipelines, pressure detection instruments are arranged at specific positions of the equipment, material grade requirements are required for contact fluid parts of the whole pipeline equipment including instruments and the like according to the types and the contents of media in the pipelines, pressure gauges with different material grades are required to be arranged on the equipment with different material grades normally, and the pressure gauge is expensive relatively for an HH grade material pressure gauge with high sulfur prevention grade.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that exists among the above-mentioned prior art, provide a medium separator and pressure measurement device for pressure measurement, will be surveyed medium and manometer and keep apart, measure medium pressure through piston both sides pressure balance, reduced the material requirement of manometer.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model provides a pressure detection uses medium separator, it includes: the method comprises the following steps: a housing and a piston; wherein,
a through oil cylinder hole is formed in the shell;
the piston is arranged in the oil cylinder hole;
the piston is used for isolating a measured medium and a pressure gauge so as to measure the pressure of the measured medium through pressure balance on two sides of the piston.
Preferably, both ends of the shell are provided with threads which are respectively used for connecting the pressure gauge and the pressure gauge stop valve.
Preferably, the bore of the cylinder hole near one side of the pressure gauge is larger than the bore of the cylinder hole at the other side, the cylinder hole includes: a wide cylinder bore and a narrow cylinder bore; the piston is arranged in the wide oil cylinder hole. 1/2NPT threads are adopted in the pressure gauge with the specification on one side of the pressure gauge, the large hole end is used for being installed in the piston, and the small hole end forms a step to prevent the piston from moving randomly.
Preferably, the method further comprises the following steps: and the piston and the side wall of the oil cylinder hole are sealed through the sealing structure, so that the measuring effect is more accurate.
Preferably, the sealing structure comprises: a retainer ring and a seal ring; the retaining ring sets up in being close to manometer one side, the sealing washer sets up in being close to pressure source one side. The hardness of the common check ring is higher than that of the sealing ring, the anti-extrusion capacity is higher, the check ring and the sealing ring are arranged, the sealing effect is better, and the high-pressure service life effect of the sealing ring is increased.
Preferably, the check ring is a rubber check ring; and/or the sealing ring is an O-shaped sealing ring.
Preferably, the outer side structure of the shell is a hexagonal structure so as to facilitate the disassembly and assembly of the wrench.
Preferably, one side of the piston close to the pressure gauge is provided with an internal thread, so that the piston can be conveniently detached.
The present invention also provides a pressure detection apparatus, comprising: the pressure gauge comprises a conversion joint, a pressure gauge stop valve, a medium separator and a pressure gauge which are connected in sequence; wherein,
the medium separator adopts the medium separator for pressure detection;
the adapter is used for communicating a measured medium;
hydraulic oil is filled in an oil cylinder hole between the piston and the pressure gauge;
the piston is used for isolating the medium to be measured and a pressure gauge so as to measure the pressure of the medium to be measured through the pressure balance between the medium to be measured and the hydraulic oil on two sides of the piston.
When the pressure gauge is installed, the medium separator piston is arranged in the middle of an oil cylinder hole of the shell, then the side installation port of the pressure gauge is vertically placed upwards, and hydraulic oil is placed in a cavity above the piston, so that the problem of large transmission error caused by air is solved.
Preferably, the connection mode between the medium separator and the pressure gauge stop valve is as follows: the medium separator is connected with the pressure gauge stop valve by threads, and NPT1/2 threads can be adopted below the threads of the petroleum pipeline under 70Mpa, so that the mode is simple and reliable; and/or the presence of a gas in the gas,
the connection mode between the medium separator and the pressure gauge is as follows: the pressure gauge is embedded in the medium separator.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model provides a medium separator for pressure detection and a pressure detection device, the medium separator isolates the measured medium from the pressure gauge, the pressure of the measured medium is equivalently reacted on the pressure gauge through the medium separator, the direct contact between the pressure gauge and the measured medium is avoided, the applicability of a common pressure gauge to the measured medium is increased, the cost of adopting a special pressure gauge due to high-corrosivity medium is reduced, and the maintenance cost of the product is reduced, if the pressure gauge is damaged, the cost of replacing the pressure gauge with high protection level is high in the prior art, the device of the utility model can be adopted only by replacing the common pressure gauge, and the medium separator only needs to buy materials and process the materials in the factory, only needs material cost and processing cost, the high-pressure gauge has higher protection level and higher price, and the cost of the high-pressure gauge is lower than that of the high-pressure gauge;
(2) the utility model provides a pressure detects uses dielectric separator and pressure measurement device seals through two seal structure of retaining ring and sealing washer between piston and the jar hole, and sealed effect is better, and has further reduced the product maintenance cost.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
The following further describes the embodiments of the present invention with reference to the attached drawings:
fig. 1 is a schematic structural diagram of a conventional pressure detection device;
fig. 2 is a schematic structural diagram of a media separator according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a media separator according to a preferred embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pressure detection apparatus according to an embodiment of the present invention.
Description of reference numerals: 1-a conversion joint, 2-a pressure gauge stop valve, 3-a pressure gauge and 4-a medium separator;
41-shell, 42-piston, 43-retainer ring, 44-sealing ring.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
When a conventional pressure gauge is installed, a general device is connected with a conversion joint 1, a pressure gauge stop valve 2 and a pressure gauge 3 in sequence, as shown in figure 1.
Fig. 2 is a schematic structural diagram of a media separator according to an embodiment of the present invention.
Referring to fig. 2, the media separator of the present embodiment includes: a housing 41 and a piston 42. Wherein, a through oil cylinder hole is arranged in the housing 41; the piston 42 is arranged in the oil cylinder hole; the piston is used for isolating the measured medium and the pressure gauge so as to measure the pressure of the measured medium through pressure balance on two sides of the piston.
In this embodiment, the hydro-cylinder hole that is close to manometer one side is big than the aperture of the hydro-cylinder hole of opposite side, and the hydro-cylinder hole includes promptly: a wide cylinder bore and a narrow cylinder bore; the piston 42 is disposed in the wide cylinder bore.
In this embodiment, in order to improve the measurement accuracy, the piston 42 is sealed with the side wall of the cylinder hole by a seal structure. Further, the seal structure includes: a retainer ring 43 and a seal ring 44, wherein the retainer ring 43 is arranged at one side close to the pressure gauge, and the seal ring 44 is arranged at one side close to the pressure source. The hardness of the common check ring is higher than that of the sealing ring, the anti-extrusion capacity is higher, the check ring and the sealing ring are arranged, the sealing effect is better, and the high-pressure service life effect of the sealing ring is increased.
In the preferred embodiment, the retainer ring 43 is a rubber retainer ring and the seal ring 44 is an O-ring seal.
In the preferred embodiment, in order to facilitate the disassembly and to make the connection more stable, the two ends of the housing are provided with threads for connecting the pressure gauge and the pressure gauge stop valve respectively.
In the preferred embodiment, to facilitate the disassembly and assembly of the wrench, the outer structure of the housing is a hexagonal structure, as shown in fig. 3.
In the preferred embodiment, for easy disassembly, the piston is provided with internal threads on the side thereof adjacent to the pressure gauge.
Fig. 4 is a schematic structural diagram of a pressure detecting device according to an embodiment of the present invention.
Referring to fig. 4, the pressure detecting device of the present embodiment includes: the pressure meter comprises a conversion joint 1, a pressure meter stop valve 2, a medium separator 4 and a pressure meter 3 which are connected in sequence. The medium separator 4 employs the medium separator of the above-described embodiment. The adapter 1 is used for communicating a medium to be measured. Hydraulic oil is filled in the cylinder hole between the piston 42 and the pressure gauge 3; the piston 42 is used for isolating the medium to be measured from the pressure gauge 3, so that the pressure of the medium to be measured is measured by the pressure balance between the medium to be measured on two sides of the piston 42 and the hydraulic oil.
When the pressure gauge is installed, the medium separator piston is placed in the middle of the oil cylinder hole of the shell, as shown in the position in fig. 2, then the side installation port of the pressure gauge is vertically placed upwards, and hydraulic oil is placed in a cavity (oil cylinder hole) above the piston 42, so that the problem of large transmission error caused by air is solved.
In this embodiment, the connection between the medium separator 4 and the pressure gauge stop valve 2 is as follows: the medium separator 4 is embedded in the pressure gauge shut-off valve 2. The connection mode between the medium separator 4 and the pressure gauge 3 is as follows: the pressure gauge 3 is embedded in the media separator 4, as shown in fig. 4.
The disclosure herein of the preferred embodiments of the present invention is intended to be illustrative only, and not limiting, of the principles and applications of the present invention. Any modifications and variations within the scope of the description, which may occur to those skilled in the art, are intended to be within the scope of the invention.
Claims (10)
1. A pressure detecting medium separator, comprising: a housing and a piston; wherein,
a through oil cylinder hole is formed in the shell;
the piston is arranged in the oil cylinder hole;
the piston is used for isolating a measured medium and a pressure gauge so as to measure the pressure of the measured medium through pressure balance on two sides of the piston.
2. The pressure detecting medium separator according to claim 1, wherein both ends of the housing are provided with threads for connecting the pressure gauge and the pressure gauge cut-off valve, respectively.
3. The pressure detecting media separator of claim 1, wherein a cylinder hole near one side of the pressure gauge is larger in diameter than a cylinder hole at the other side, the cylinder hole comprising: a wide cylinder bore and a narrow cylinder bore;
the piston is arranged in the wide oil cylinder hole.
4. The pressure detecting media separator of claim 1, further comprising: and the piston and the side wall of the oil cylinder hole are sealed through the sealing structure.
5. The pressure detecting media separator of claim 4, wherein the sealing structure comprises: a retainer ring and a seal ring;
the retainer ring is arranged on one side close to the pressure gauge
The sealing ring is arranged on one side close to the pressure source.
6. The pressure detecting media separator of claim 5, wherein the retainer ring is a rubber retainer ring; and/or the presence of a gas in the gas,
the sealing ring is an O-shaped sealing ring.
7. The pressure detecting media separator of claim 1, wherein the outer structure of the housing is a hexagonal structure.
8. The pressure detecting medium separator according to any one of claims 1 to 7, wherein an internal thread is provided on a side of the piston close to the pressure gauge.
9. A pressure detection device, comprising: the pressure gauge comprises a conversion joint, a pressure gauge stop valve, a medium separator and a pressure gauge which are connected in sequence; wherein,
the medium separator is the medium separator for pressure detection according to any one of claims 1 to 8;
the adapter is used for communicating a measured medium;
hydraulic oil is filled in an oil cylinder hole between the piston and the pressure gauge;
the piston is used for isolating the measured medium and a pressure gauge so as to measure the pressure of the measured medium through the pressure balance between the measured medium and the hydraulic oil on the two sides of the piston.
10. The pressure detection device of claim 9, wherein the media separator is in threaded connection with the pressure gauge shut-off valve; and/or the presence of a gas in the gas,
the pressure gauge is embedded in the medium separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021722610.XU CN213120957U (en) | 2020-08-18 | 2020-08-18 | Medium separator for pressure detection and pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021722610.XU CN213120957U (en) | 2020-08-18 | 2020-08-18 | Medium separator for pressure detection and pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213120957U true CN213120957U (en) | 2021-05-04 |
Family
ID=75654212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021722610.XU Active CN213120957U (en) | 2020-08-18 | 2020-08-18 | Medium separator for pressure detection and pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213120957U (en) |
-
2020
- 2020-08-18 CN CN202021722610.XU patent/CN213120957U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20030184018A1 (en) | Method and apparatus for detecting seal failure | |
| CN109406067A (en) | Rubber seal rings for seal characteristic detection device under a kind of high pressure hydrogen | |
| CN101124426A (en) | Arrangement or provision of a sensor or probe for the measuring of a condition in a pipe or the like | |
| CN209117278U (en) | Rubber seal rings for seal characteristic detection device under a kind of high pressure hydrogen | |
| US7004470B2 (en) | Device for a pipe flange seal | |
| CN105485038A (en) | Double-end surface mechanical seal monitoring device of fluid centrifugal pump | |
| CN213120957U (en) | Medium separator for pressure detection and pressure detection device | |
| CN203422203U (en) | Air tightness detection apparatus for sealed bearing | |
| CN217276333U (en) | Internet of things electromagnetic flowmeter | |
| CN101839788A (en) | Gas pressure detection sensing device for gas charging cabinet | |
| CN210243071U (en) | Vacuum degree measuring device of vacuum pipeline | |
| US11326978B2 (en) | Leak indicating clamp | |
| CN204085808U (en) | A kind of air-tightness detection device | |
| CN204881967U (en) | Manometer of flange drum formula | |
| US11359748B2 (en) | Connection system between a distribution member and a receiving member and leak detection method | |
| CN218845360U (en) | Pipeline joint structure of explosion-proof pressure gauge | |
| CN204405246U (en) | Pressure-detecting device | |
| CN209055269U (en) | A kind of chemical industry anti-corrosion pressure gauge | |
| CN214037284U (en) | Pressure measurement hose joint structure with threaded damping and soft-hard combined sealing | |
| CN213842560U (en) | Transformer pressurization leak test device | |
| CN104295766A (en) | Pressure measurable ball valve for tests | |
| CN214224794U (en) | Multi-specification pressure detection device for boiler pipeline | |
| CN2519262Y (en) | Piston type pressure meter multipurpose quick connector | |
| CN214535104U (en) | Anti-burst leakage joint of pipeline pressure gauge | |
| CN216246607U (en) | Flowmeter differential pressure gauge signal line joint mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |