CN206974600U - The safe pressure instrument of oil pipeline - Google Patents
The safe pressure instrument of oil pipeline Download PDFInfo
- Publication number
- CN206974600U CN206974600U CN201720338058.6U CN201720338058U CN206974600U CN 206974600 U CN206974600 U CN 206974600U CN 201720338058 U CN201720338058 U CN 201720338058U CN 206974600 U CN206974600 U CN 206974600U
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- piston
- hand member
- hole
- pressure gauge
- 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
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- Measuring Fluid Pressure (AREA)
Abstract
It the utility model is related to fluid manometric technique field in oil pipeline, more particularly to a kind of safe pressure instrument of oil pipeline.Liquid medium and the second piston contacted with liquid medium are set in the first connecting tube of the device, first connecting tube left end is connected with pressure gauge, first connecting tube right-hand member is threadedly coupled with the second connecting tube, two baffle plates are set in the second connecting tube, inner tube is set between two baffle plates, inner tube right-hand member is sealed and at least one first through hole is set in right-hand member hush panel, and the second through hole being engaged with first through hole is set on right-hand member baffle plate.The utility model is realized the pressure transmission of the measured object in petroleum pipeline by piston to pressure gauge, measured object does not contact directly with pressure gauge, prevents pressure gauge to be corroded, and improves the service life of pressure gauge, leakage phenomenon is avoided the occurrence of simultaneously, there is the advantages of safe efficient, measurement accuracy is high.
Description
Technical field：
It the utility model is related to fluid manometric technique field in oil pipeline, more particularly to a kind of safe pressure of oil pipeline
Instrument.
Background technology：
Petrochemical industry in China, it is often necessary to surveyed to the gas, liquid or colloid transported in oil pipeline
Pressure, but because the gas, liquid or colloid in above-mentioned field have corrosivity more, using traditional pressure gauge direct measurement, no
Only easily cause above-mentioned measured object to cause to corrode to pressure gauge, shorten pressure calendar life, influence pressure meter accuracy, and be also easy to
Generation measured object is overflowed, and environment is polluted, and processing is difficult.
Utility model content：
The technical problems to be solved in the utility model is to provide a kind of safe pressure instrument of oil pipeline, and the arrangement achieves logical
Cross piston not contact the pressure transmission of the measured object in petroleum pipeline directly with pressure gauge to pressure gauge, measured object, prevent pressure
Table is corroded, and improves the service life of pressure gauge, while avoids the occurrence of leakage phenomenon, have it is safe efficient, measurement accuracy is high
The advantages of.Overcome measured object in existing gauge measurement petroleum pipeline to be easily corroded, influence measurement result, measured object easily occurs and overflows
Go out, the deficiency polluted to environment.
Technical solution adopted in the utility model is：A kind of safe pressure instrument of oil pipeline, including pressure gauge, the first company
Adapter and the second connecting tube；Setting liquid medium and the second piston contacted with liquid medium in first connecting tube, first
Connecting tube left end is connected with pressure gauge, and the first connecting tube right-hand member is threadedly coupled with the second connecting tube, and two are set in the second connecting tube
Individual baffle plate, inner tube is set between two baffle plates, inner tube right-hand member seals simultaneously sets at least one first through hole in right-hand member hush panel,
The second through hole being engaged with first through hole is set on right-hand member baffle plate, connecting rod is set in inner tube, connecting rod stretches out the second connection
Manage, the chute being engaged with connecting rod is radially arranged in the second connecting tube, first piston, the piston of first piston are set in inner tube
Bar is connected through left end baffle plate with the piston rod of second piston.
Inner tube right-hand member sets spacing preiection, and the neck being engaged with spacing preiection, inner tube right-hand member are set in the second connecting tube
Sealing gasket is arranged on outer wall, sealing gasket coats spacing preiection, is provided with sealing gasket and first through hole position, cooperating number conjunction
Third through-hole.
Circumferentially disposed at least two seals circle on first piston, the sealing ring contact sealing with the second connection inside pipe wall.
Circumferentially disposed at least two seals circle in second piston, the sealing ring contact sealing with the first connection inside pipe wall.
Sleeve pipe is set outside the second connecting tube, and sleeve pipe is connected with connecting rod.
The beneficial effects of the utility model are：The utility model is realized the pressure of the measured object in petroleum pipeline by piston
Power passes to pressure gauge, and measured object does not contact directly with pressure gauge, prevents pressure gauge to be corroded, and improve pressure gauge uses the longevity
Life, while leakage phenomenon is avoided the occurrence of, there is the advantages of safe efficient, measurement accuracy is high.
Brief description of the drawings：
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Fig. 1 is external structure schematic diagram of the present utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
Fig. 3 is enlarged diagram at A in Fig. 2.
Fig. 4 is the schematic diagram that first through hole is connected with the second through hole by being closed to.
Embodiment：
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the safe pressure instrument of a kind of oil pipeline, including pressure gauge 1, the first connecting tube 2
With the second connecting tube 3；Setting liquid medium 4 and the second piston 9 contacted with liquid medium 4 in first connecting tube 2, first
The left end of connecting tube 2 is connected with pressure gauge 1, and the right-hand member of the first connecting tube 2 is threadedly coupled with the second connecting tube 3, is set in the second connecting tube 3
Two baffle plates 5 are put, inner tube 6 is set between two baffle plates 5, the right-hand member of inner tube 6 is sealed and set in right-hand member hush panel at least one
First through hole 7, the second through hole 15 being engaged with first through hole 7 is set on right-hand member baffle plate 5, connecting rod 10, company are set in inner tube 6
Extension bar 10 stretches out the second connecting tube 3, is radially arranged the chute 11 being engaged with connecting rod 10 in the second connecting tube 3, is set in inner tube 6
First piston 8 is put, the piston rod of first piston 8 is connected through left end baffle plate 5 with the piston rod of second piston 9.
The right-hand member of inner tube 6 sets spacing preiection 12, and the neck being engaged with spacing preiection 12 is set in the second connecting tube 3, interior
Sealing gasket 13 is arranged on the right-hand member outer wall of pipe 6, sealing gasket 13 coats spacing preiection 12, is provided with sealing gasket 13 and first through hole
The third through-hole that 7 positions, cooperating number close.
Circumferentially disposed at least two seals circle 16, the sealing ring 16 contact with the inwall of the second connecting tube 3 on first piston 8
Sealing.
Circumferentially disposed at least two seals circle 16, the sealing ring 16 contact with the inwall of the first connecting tube 2 in second piston 9
Sealing.
The outside of second connecting tube 3 sets sleeve pipe 14, and sleeve pipe 14 is connected with connecting rod 10, and sleeve pipe 14 is convenient for measuring personnel and turned
Dynamic inner tube 6 controls unlatching and the closure of first through hole 7.
In use, the right-hand member of the second connecting tube 3 is arranged on tested pipeline, the second connecting tube 3 is when being installed on petroleum pipeline
First through hole 7 is closed with the not corresponding connection of the second through hole 15, first through hole 7, and petroleum pipeline starts to convey measured object, really
Recognize first piston 8 not to be moved, then measured object does not overflow, and the sealing of first through hole 7 is good；Then by the first connecting tube
2 are connected with the second connecting tube 3, during measurement, rotate inner tube 6 by first through hole 7 with the second through hole 15 is corresponding connects, measured object entrance
Second pipe 3, extrude first piston 8, so first piston 8 by the pressure transmission of measured object to second piston 9, second piston 9
It is pressurized and is retreated along the first pipeline 2, extrude liquid medium 4, liquid medium 4 to pressure gauge 1, shows pressure transmission on pressure gauge 1
Show the pressure number of degrees and read by staff, once the reading of pressure gauge 1 is abnormal in measurement process, close first through hole 7, inspection takes
Sealing at lower first connecting tube 2 detection first piston 8, second piston 9；After measurement, first through hole 7 is closed, to defeated
Oil pipe release, the second connecting tube 3 is removed from petroleum pipeline, a small amount of measured object that first through hole 7 will remain in inner tube 6 after removal
It is sealed in inner tube 6, opens first through hole 7 and remove the measured object in inner tube 6, avoids a small amount of there is corrosivity by inner tube 6
The clothes or skin of middle outflow anticorrosion work personnel.Measured object is sealed using first through hole 7, to the degree of purity of measured object
It is it is required that relatively low.
It is understood that above with respect to specific descriptions of the present utility model, it is merely to illustrate the utility model and is not
The technical scheme described by the utility model embodiment is limited to, it will be understood by those within the art that, still can be with
The utility model is modified or equivalent substitution, to reach identical technique effect；As long as satisfaction uses needs, all in this reality
Within new protection domain.
Claims (4)
1. a kind of safe pressure instrument of oil pipeline, including pressure gauge (1), the first connecting tube (2) and the second connecting tube (3)；It is special
Sign is：Liquid medium (4) and the second piston (9) contacted with liquid medium (4) are set in first connecting tube (2), the
One connecting tube (2) left end is connected with pressure gauge (1), and the first connecting tube (2) right-hand member is threadedly coupled with the second connecting tube (3), and second
Two baffle plates (5) are set in connecting tube (3), inner tube (6) is set between two baffle plates (5), inner tube (6) right-hand member seals and in right-hand member
At least one first through hole (7) is set in hush panel, sets be engaged with first through hole (7) second to lead on right-hand member baffle plate (5)
Hole (15), sets connecting rod (10) in inner tube (6), and connecting rod (10) stretches out the second connecting tube (3), footpath in the second connecting tube (3)
The chute (11) being engaged to setting with connecting rod (10), inner tube (6) is interior to set first piston (8), the piston of first piston (8)
Bar is connected through left end baffle plate (5) with the piston rod of second piston (9), inner tube (6) right-hand member setting spacing preiection (12), and second
The neck being engaged with spacing preiection (12) is set in connecting tube (3), sealing gasket (13) is arranged on inner tube (6) right-hand member outer wall, it is close
Packing (13) coats spacing preiection (12), and the closed with first through hole (7) position, cooperating number is provided with sealing gasket (13)
Three through holes.
2. according to the safe pressure instrument of oil pipeline described in claim 1, it is characterised in that：It is circumferential on the first piston (8)
At least two seals circle (16), the sealing ring (16) is set to contact sealing with the second connecting tube (3) inwall.
3. according to the safe pressure instrument of oil pipeline described in claim 1, it is characterised in that：It is circumferential on the second piston (9)
At least two seals circle (16), the sealing ring (16) is set to contact sealing with the first connecting tube (2) inwall.
4. according to the safe pressure instrument of oil pipeline described in claim 1, it is characterised in that：Second connecting tube (3) is outside
Sleeve pipe (14) is set, and sleeve pipe (14) is connected with connecting rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338058.6U CN206974600U (en) | 2017-04-01 | 2017-04-01 | The safe pressure instrument of oil pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338058.6U CN206974600U (en) | 2017-04-01 | 2017-04-01 | The safe pressure instrument of oil pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206974600U true CN206974600U (en) | 2018-02-06 |
Family
ID=61413570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720338058.6U Expired - Fee Related CN206974600U (en) | 2017-04-01 | 2017-04-01 | The safe pressure instrument of oil pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206974600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092234A (en) * | 2021-03-12 | 2021-07-09 | 中国石油大学(北京) | Pressure monitoring device for core huff and puff experiment |
-
2017
- 2017-04-01 CN CN201720338058.6U patent/CN206974600U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092234A (en) * | 2021-03-12 | 2021-07-09 | 中国石油大学(北京) | Pressure monitoring device for core huff and puff experiment |
| CN113092234B (en) * | 2021-03-12 | 2022-04-12 | 中国石油大学(北京) | Pressure monitoring device for core huff and puff experiment |
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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: 20180206 Termination date: 20190401 |