CN209469414U - A kind of draining over-voltage regular valve device - Google Patents
A kind of draining over-voltage regular valve device Download PDFInfo
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- CN209469414U CN209469414U CN201920064497.1U CN201920064497U CN209469414U CN 209469414 U CN209469414 U CN 209469414U CN 201920064497 U CN201920064497 U CN 201920064497U CN 209469414 U CN209469414 U CN 209469414U
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- draining
- circlip
- connector
- valve
- valve device
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Abstract
The utility model discloses a kind of draining over-voltage regular valve devices, including pressure cap, the first circlip, coupling sleeve, draining body, hollow bolt, O-ring seal, relief valve, nut, spring, seal, box cupling, valve ball, the second circlip, pressing sleeve, valve seat and connector, the pressure cap is threaded with coupling sleeve, and the pressure cap is connect by the first circlip with draining body；The draining body is sealedly connected with hollow bolt by O-ring seal；The coupling sleeve is connected with relief valve by nut and spring；The relief valve is connected with seal by inclined-plane；And it is fully sealed by seal；The connection of the threaded one end of the draining body and box cupling；The other end of the box cupling is connected with connector；Valve seat and pressing sleeve are provided in the connector, the pressing sleeve is fixedly connected by screw thread with connector, and valve seat is fixed in connector.The product safety is reliable, and using effect is good, has saved every economic cost, improves oil field operation efficiency.
Description
Technical field
The utility model relates to fixed valve field, in particular to a kind of draining over-voltage regular valve device.
Background technique
In oil field operation, when transferring pump group tool or down-hole string oil well pump need to be risen to ground because of well workover, it is difficult to
The meeting avoided is because of blowout or does not release the remaining oil liquid in oil well pump and crude oil is spread across ground, not only causes a large amount of warp
Ji loss, also causes serious pollution to environment, and therefore, well site generally requires to be ready in advance before carrying out such operation
Well killing fluid kill-job, the underground well killing fluid to prevent the generation of blowout, but after kill-job not only need to consume a large amount of cost, while
Oil reservoir can be polluted and be destroyed, influence oily well yield.
Because the invention is a kind of safe and reliable, using effect is good, has saved every economic cost, improves oil field operation effect
The draining over-voltage regular valve device of rate is very necessary.
Utility model content
The utility model provides a kind of draining over-voltage regular valve device, can solve in the prior art, needs to consume a large amount of
Cost, while also oil reservoir can be polluted and be destroyed, influence oily well yield, it is dangerous, the problem of low efficiency.
The utility model provides a kind of draining over-voltage regular valve device, including pressure cap, the first circlip, coupling sleeve, draining
Body, hollow bolt, O-ring seal, relief valve, nut, spring, seal, box cupling, valve ball, the second circlip, pressing sleeve, valve
Seat and connector；The pressure cap is threaded with coupling sleeve, and the pressure cap is connect by the first circlip with draining body；The draining body
Hollow bolt is sealedly connected with by O-ring seal；The coupling sleeve is connected with relief valve by nut and spring；The pressure release
Valve is connected with seal by inclined-plane；And it is fully sealed by seal；One end spiral shell of the draining body and box cupling
Line connection；The other end of the box cupling is connected with connector；Valve seat and pressing sleeve are provided in the connector, the pressing sleeve passes through spiral shell
Line is fixedly connected with connector, and valve seat is fixed in connector；The pressing sleeve is connected with valve ball by the second circlip, and leads to
Cross the second circlip valve ball is placed separately in outside pressing sleeve cavity；Wherein pressing sleeve screw thread specification is M59*2；
Preferably, the specification of the circlip is outer diameter 58mm, line footpath 3.5mm, material 60Si2Mn.
Preferably, the internal diameter * line footpath of the O-ring seal is 23*3.55mm.
Preferably, the screw thread specification of the hollow bolt is M16*2, wherein M represents common 60 degree of angular threads, and 16 represent
Major Diam, 2 represent screw pitch 2mm；The specification of the nut 8 is M8, and M8 therein is that standard thread screw pitch is the thick of 1.25mm
Tooth.
Preferably, being provided with blind hole on the hollow bolt.
Preferably, the specification of the valve ball is diameter 38mm, material 9Cr18Mo.
Preferably, the specification of second circlip is outer diameter 43mm, line footpath 3.5mm, material 60Si2Mn.
Preferably, the valve seat and valve ball are mating sealing element, material 6Cr18Mo.
Preferably, described connector one end external screw thread is 2-7/8 " tubing round thread, the connector other end internal screw thread is 2-7/
8 " screw threads.
Preferably, the screw thread specification for stating box cupling is both ends 2-7/8 " screw thread.
A kind of draining over-voltage regular valve device provided by the utility model, when oil well transfers column oil pump, draining mistake
Pressure regular valve device is to close, and under the action of seal, liquid cannot enter oil pipe extraction by oil well pump in well, works as pumping
To after projected depth under oil pump, the good well head of seat, then sucker rod and plunger are transferred, it is followed by pressing cap with plunger depression, and make pressure cap
Stress, so that the first circlip is shunk, to release the fixed relationship of pressure cap Yu draining body, as pressure continues growing, pressure cap will
Run down, the relief valve of the coupling sleeve being threadedly coupled and bottom connection will downlink therewith, to make seal depressurization,
Realize pressure balance；Plunger continues to push, and relief valve and seal downlink contact valve ball, and under the effect of the pressure, makes the
Two circlip stress are opened, and valve ball impinged onto pressing sleeve cavity by bleeder bottom, and seat is on ball seat, reaching unidirectional control
The effect of stream, enables oil liquid smoothly to enter pump barrel from lower part, can not backflow from top, to realize normal oil pumping, works as needs
It tears open when pumping up oil pipe, first plays out sucker rod and plunger, then caber hits hollow bolt, so that hollow bolt stress is cut, by
It is machined with blind hole in hollow bolt, blind hole becomes through-hole after cutting, is connected to oil pipe and casing, passes through the oil liquid retained in oil pipe
In through-hole sleeve pipe on hollow bolt and shaft bottom is flowed back to, so that oil stream be avoided to act ground or seep in underground, causes economy
Loss and environmental pollution, and shorten the workover treatment time, it is safe and efficient.
Detailed description of the invention
Fig. 1 is a kind of draining over-voltage regular valve device structural schematic diagram provided by the utility model.
Description of symbols: 1- pressure cap；The first circlip of 2-；3- coupling sleeve；4- draining body；5- hollow bolt；The sealing of 6-O type
Circle；7- relief valve；8- nut；9- spring；10- seal；11- box cupling；12- valve ball；The second circlip of 13-；14- pressing sleeve；15-
Valve seat；16- connector.
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the utility model is described in detail, it is to be understood that this
The protection scope of utility model is not limited by the specific implementation.
A kind of draining over-voltage regular valve device provided by the embodiment of the utility model, including pressure cap 1, the first circlip 2, connection
Cover 3, draining body 4, hollow bolt 5, O-ring seal 6, relief valve 7, nut 8, spring 9, seal 10, box cupling 11, valve ball
12, the second circlip 13, pressing sleeve 14, valve seat 15 and connector 16；The pressure cap 1 is threaded with coupling sleeve 3, and the pressure cap 1 is logical
The first circlip 2 is crossed to connect with draining body 4；The draining body 4 is sealedly connected with hollow bolt 5 by O-ring seal 6；It is described
Female connector 3 is connected with relief valve 7 by nut 8 and spring 9；The relief valve 7 is connected with seal 10 by inclined-plane；And it is logical
Seal 10 is crossed to be fully sealed；The draining body 4 is connect with the threaded one end of box cupling 11；The other end of the box cupling 11 connects
It is connected to connector 16；Valve seat 15 and pressing sleeve 14 are provided in the connector 16；The pressing sleeve 14 is carried out by screw thread and connector 16
It is fixedly connected；And valve seat 15 is fixed in connector 16 by pressing sleeve 14；And pressing sleeve screw thread specification is M59*2；The pressing sleeve
14 are connected with valve ball 12 by the second circlip 13；And it is by the second circlip 13 that valve ball 12 is placed separately in outside 14 cavity of pressing sleeve.
Preferably, the specification of the circlip 2 is outer diameter 58mm, line footpath 3.5mm, material 60Si2Mn.
Preferably, the internal diameter * line footpath of the O-ring seal is 23*3.55mm.
Preferably, the screw thread specification of the hollow bolt is M16*2；The specification of the nut 8 is M8.
Preferably, being provided with blind hole on the hollow bolt 5.
Preferably, the specification of the valve ball 12 is diameter 38mm, material 9Cr18Mo.
Preferably, the specification of second circlip is outer diameterLine footpath 3.5mm, material 60Si2Mn.
Preferably, the specification of second circlip 13 is outer diameter 43mm, line footpath 3.5mm, material 60Si2Mn.
Preferably, 16 one end external screw thread of connector is 2-7/8 " tubing round thread, 16 other end internal screw thread of connector is
" screw thread.
Preferably, the screw thread specification of the box cupling 11 is both ends 2-7/8 " screw thread.
Working principle: when oil well transfers column oil pump, draining over-voltage regular valve device is to close, in seal 10
Under the action of, liquid cannot enter oil pipe extraction by oil well pump in well, after under oil well pump to projected depth, the good well head of seat,
Sucker rod and plunger are transferred again, and plunger depression is followed by pressing cap 1, and makes 1 stress of pressure cap, so that the first circlip 2 is shunk, to solve
Except the fixed relationship of pressure cap 1 and draining body 4, as pressure continues growing, pressure cap 1 will be run down, the connection being threadedly coupled
Downlink therewith to make seal depressurization is realized pressure balance by set 3 and the relief valve 7 of bottom connection；Under plunger continues
Pressure, relief valve 7 and 10 downlink of seal contact valve ball 12, and under the effect of the pressure, open 13 stress of the second circlip, all
You are impinged onto 14 cavity of pressing sleeve ball 12 by bleeder bottom, and seat makes oil on ball seat, having the function that unidirectional flow control
Liquid can enter pump barrel from lower part, can not backflow from top, to realize that normal oil pumping first rises when needs, which are torn open, pumps up oil pipe
Sucker rod and plunger out, then caber hits hollow bolt 5, so that 5 stress of hollow bolt is cut, since hollow bolt 5 is processed
There is blind hole, blind hole becomes through-hole after cutting, is connected to oil pipe and casing, passes through the oil liquid retained in oil pipe on hollow bolt 5
Through-hole sleeve pipe is interior and flows back to shaft bottom, so that oil stream be avoided to act ground or seep in underground, causes economic loss and environment dirty
Dye, and shorten the workover treatment time, it is safe and efficient.
Disclosed above is only specific embodiment of the utility model, but the utility model is not intended to be limited to this, is appointed
What what those skilled in the art can think variation should all fall into the protection scope of the utility model.
Claims (10)
1. a kind of draining over-voltage regular valve device, it is characterised in that: including pressure cap (1), the first circlip (2), coupling sleeve (3), let out
Oil body (4), hollow bolt (5), O-ring seal (6), relief valve (7), nut (8), spring (9), seal (10), box cupling
(11), valve ball (12), the second circlip (13), pressing sleeve (14), valve seat (15) and connector (16)；Pressure cap (1) screw thread connects
It is connected to coupling sleeve (3), the pressure cap (1) is connect by the first circlip (2) with draining body (4)；The draining body (4) passes through O-shaped
Sealing ring (6) is sealedly connected with hollow bolt (5)；The coupling sleeve (3) is connected with relief valve by nut (8) and spring (9)
(7)；The relief valve (7) is connected with seal (10) by inclined-plane；And it is fully sealed by seal (10)；Institute
Draining body (4) is stated to connect with the threaded one end of box cupling (11)；The other end of the box cupling (11) is connected with connector (16)；It is described to connect
Valve seat (15) and pressing sleeve (14) are provided in head (16)；The pressing sleeve (14) passes through screw thread and connector (16) company of being fixed
It connects；And valve seat (15) is fixed in connector (16) by pressing sleeve (14)；And pressing sleeve screw thread specification is M59*2；The pressing sleeve
(14) valve ball (12) are connected with by the second circlip (13)；And it is by the second circlip (13) that valve ball (12) is placed separately in pressing sleeve
(14) outside cavity.
2. a kind of draining over-voltage regular valve device as described in claim 1, which is characterized in that the rule of first circlip (2)
Lattice are outer diameter 58mm, line footpath 3.5mm, material 60Si2Mn.
3. a kind of draining over-voltage regular valve device as described in claim 1, which is characterized in that the O-ring seal (6) it is interior
Diameter * line footpath is 23*3.55mm.
4. a kind of draining over-voltage regular valve device as described in claim 1, which is characterized in that the spiral shell of the hollow bolt (5)
Line specification is M16*2, and wherein M represents common 60 degree of angular threads, and 16 represent Major Diam, and 2 represent screw pitch 2mm；The nut
(8) specification is M8, and M8 therein is the coarse thread that standard thread screw pitch is 1.25mm.
5. a kind of draining over-voltage regular valve device as described in claim 1, which is characterized in that set on the hollow bolt (5)
It is equipped with blind hole.
6. a kind of draining over-voltage regular valve device as described in claim 1, which is characterized in that the specification of the valve ball (12)
For diameter 38mm, material 9Cr18Mo.
7. a kind of draining over-voltage regular valve device as described in claim 1, which is characterized in that the rule of second circlip (13)
Lattice are outer diameter 43mm, line footpath 3.5mm, material 60Si2Mn.
8. a kind of draining over-voltage regular valve device as described in claim 1, which is characterized in that the valve seat (15) and valve
Ball (12) is mating sealing element, material 6Cr18Mo.
9. a kind of draining over-voltage regular valve device as described in claim 1, which is characterized in that spiral shell outside described connector (16) one end
Line is 2-7/8 " tubing round thread, and connector (16) other end internal screw thread is 2-7/8 " screw thread.
10. a kind of draining over-voltage regular valve device as described in claim 1, which is characterized in that the screw thread of the box cupling (11)
Specification is both ends 2-7/8 " screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064497.1U CN209469414U (en) | 2019-01-15 | 2019-01-15 | A kind of draining over-voltage regular valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064497.1U CN209469414U (en) | 2019-01-15 | 2019-01-15 | A kind of draining over-voltage regular valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209469414U true CN209469414U (en) | 2019-10-08 |
Family
ID=68091806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920064497.1U Active CN209469414U (en) | 2019-01-15 | 2019-01-15 | A kind of draining over-voltage regular valve device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209469414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117888832A (en) * | 2024-03-11 | 2024-04-16 | 大庆市璞庆钻采设备制造有限公司 | Underground tool connection special coupling with special threads |
-
2019
- 2019-01-15 CN CN201920064497.1U patent/CN209469414U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117888832A (en) * | 2024-03-11 | 2024-04-16 | 大庆市璞庆钻采设备制造有限公司 | Underground tool connection special coupling with special threads |
| CN117888832B (en) * | 2024-03-11 | 2024-05-24 | 大庆市璞庆钻采设备制造有限公司 | Underground tool connection special coupling with special threads |
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