CN203925987U - Oil-well pump oil inlet valve and use the tubing pump of this oiling valve - Google Patents
Oil-well pump oil inlet valve and use the tubing pump of this oiling valve Download PDFInfo
- Publication number
- CN203925987U CN203925987U CN201420345415.8U CN201420345415U CN203925987U CN 203925987 U CN203925987 U CN 203925987U CN 201420345415 U CN201420345415 U CN 201420345415U CN 203925987 U CN203925987 U CN 203925987U
- Authority
- CN
- China
- Prior art keywords
- plug
- shut
- valve
- streaming
- oil
- 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
Links
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a kind of oil-well pump oil inlet valve and use the tubing pump of this oiling valve, in oiling valve, pressure transmission passage has the section of streaming in the wall of the chamber of valve pocket, the axially directed shut-off plug being fitted with in the section of streaming upstream open position in valve pocket, on shut-off plug, offer the plug passage that axially connects opposite end along valve pocket, the chamber wall of the outer circumferential face of shut-off plug and valve pocket is provided with all surface seal structures for shut-off plug is coordinated with valve seal, at shut-off plug, during in pressure transmission position, stream the upstream open of passage and the pressure transmission position of plug channel connection; At shut-off plug during in oil-feed position, the upstream open of streaming passage is sealed by all surface seal structures and is cut off with plug passage, thereby make whole oiling valve at shut-off plug during in oil-feed position, by all surface seal structures on shut-off plug and valve body, cut off pressure transmission passage, so that the sealing between shut-off plug and valve body is more reliable.
Description
Technical field
The utility model relates to oil extraction in oil field technical field, relates in particular to a kind of oil-well pump oil inlet valve and uses the tubing pump of this oiling valve.
Background technique
At present, in pumping unit of oil well, applying maximum is tubing pump, and the type pump has that fault is low, efficiency is high, low cost and other advantages, in oil extraction in oil field, is widely applied; Its shortcoming is that oil-feed valve seat adopts stationary structure, in oil well production string, form and cut off, the above fluid pressure of pump can not be delivered to standing valve for oil-well pump when needed with upper/lower positions, cannot support the use with instruments such as needing fluid pressure is setting, the packet of seat card, tubing anchor, for the water-plugging technique of giving up, also exist work operations amount large, account for the drawbacks such as the product time is long.
Chinese patent literature CN201621060U discloses a kind of oil intake valve of oil well pump capable of transferring pressure, this oiling valve comprises the spool of the column of canular valve body and interior plug-in mounting thereof, the epimere of spool is by the spacing valve body upper end that is assemblied in of swelling section, and by shearing pin or retracting spring, is connected with for strutting the release of swelling section and overlapped in swelling section, between the hypomere outer circumferential face of spool and the internal face of valve body, there is annular pressure transmission passage, and the periphery of spool hypomere is provided with the external sealed face of cylindrical taper or Outer cylindrical, on the internal face of valve body, be provided with for the inner sealing surface with external sealed face interference fit, after suppressing operation and completing, by pressing down to discharge to overlap, the swelling section that discharges cover and spool is thrown off, after the swelling section of spool is released, in meeting, receive and whole spool is fallen, the external sealed face of spool lower end and the inner sealing surface interference fit of valve body lower end realize the effect of face-face sealing, but in actual job, in the hydraulic oil of being suppressed, be usually mingled with the impurity of rigidity, in the process that these impurity fall at spool, meeting clamping stagnation is interior, between external sealed face, and cause spool in valve body, to be difficult to fall to putting in place, be that external sealed face on spool and the inner sealing surface on valve body are difficult to interference and are assembled together in actual job, even if spool can fall to putting in place in valve body, but the impurity of clamping stagnation between interior-external sealed face also can destroy the face-surface seal structure between spool and valve body, so that the sealing effect between spool and valve body is poor, in the operation that makes to pump, the pump efficiency of oil well pump declines.In addition, after spool and valve body interference assembling, spool will be difficult to from valve body, be removed again, at difficulty and labor intensity that increase spool is taken out from valve body, the taking-up operation of spool be wasted time and energy like this.
Model utility content
The purpose of this utility model is to provide a kind of pressure transmission passage can, by the oil-well pump oil inlet valve of reliable shutoff, also provide a kind of tubing pump that uses this oil-well pump oil inlet valve simultaneously.
In order to realize above object, in the utility model, the technological scheme of oil-well pump oil inlet valve is as follows:
Oil-well pump oil inlet valve, the pressure transmission passage that comprises valve body and interior setting thereof, the valve pocket of column, pressure transmission passage has the section of streaming in the wall of the chamber of valve pocket, the axially directed shut-off plug being fitted with in the section of streaming upstream open position in valve pocket, on shut-off plug, offer the plug passage that axially connects opposite end along valve pocket, the chamber wall of the outer circumferential face of shut-off plug and valve pocket is provided with all surface seal structures for shut-off plug is coordinated with valve seal, in the movement travel of shut-off plug on valve pocket is axial, there is the upstream open of the section of streaming and the pressure transmission position of plug channel connection, the upstream open of the section of streaming by all surface seal structures, sealed and with the oil-feed position that is cut off of plug passage.
All surface seal structures comprise corresponding packing and the sealing surface arranging on the outer circumferential face of shut-off plug and the chamber wall of valve pocket.
In valve body, be provided with the one-way valve in shut-off plug one end, described in the periphery of the section of streaming in one-way valve connect the two ends of one-way valve.
One end of shut-off plug is provided with the stopping surface for coordinating with spool pushing tow, stopping surface and the opposite end of the section of streaming upstream open in shut-off plug.
The technological scheme of tubing pump of the present utility model is as follows:
Tubing pump, the oil-well pump oil inlet valve that comprises the pump housing and upper assembling thereof, oil-well pump oil inlet valve comprises the pressure transmission passage of valve body and interior setting thereof, the valve pocket of column, pressure transmission passage has the section of streaming in the wall of the chamber of valve pocket, the axially directed shut-off plug being fitted with in the section of streaming upstream open position in valve pocket, on shut-off plug, offer the plug passage that axially connects opposite end along valve pocket, the chamber wall of the outer circumferential face of shut-off plug and valve pocket is provided with all surface seal structures for shut-off plug is coordinated with valve seal, in the movement travel of shut-off plug on valve pocket is axial, there is the upstream open of the section of streaming and the pressure transmission position of plug channel connection, the upstream open of the section of streaming by all surface seal structures, sealed and with the oil-feed position that is cut off of plug passage.
All surface seal structures comprise corresponding packing and the sealing surface arranging on the outer circumferential face of shut-off plug and the chamber wall of valve pocket.
In valve body, be provided with the one-way valve in shut-off plug one end, described in the periphery of the section of streaming in one-way valve connect the two ends of one-way valve.
One end of shut-off plug is provided with the stopping surface for coordinating with spool pushing tow, stopping surface and the opposite end of the section of streaming upstream open in shut-off plug.
In the utility model, pressure transmission passage has the section of streaming in the wall of the chamber of valve pocket, the axially directed shut-off plug being fitted with in the section of streaming upstream open position in valve pocket, on shut-off plug, offer the plug passage that axially connects opposite end along valve pocket, the chamber wall of the outer circumferential face of shut-off plug and valve pocket is provided with all surface seal structures for shut-off plug is coordinated with valve seal, at shut-off plug during in pressure transmission position, the pressure transmission position of the upstream open of the section of streaming and plug channel connection; At shut-off plug during in oil-feed position, the upstream open of the section of streaming is sealed by all surface seal structures and is cut off with plug passage, thereby make whole oiling valve at shut-off plug during in oil-feed position, by all surface seal structures on shut-off plug and valve body, cut off pressure transmission passage, so that the sealing between shut-off plug and valve body is more reliable.Meanwhile, by shut-off plug, realize the cut-out to pressure transmission passage, avoided the spool that the mass motion of spool causes to be difficult for the problem of taking out, make the maintenance of spool be more prone to carry out.
Accompanying drawing explanation
Fig. 1 is the utility model tubing pump embodiment's structural representation;
Fig. 2 be in Fig. 1 oil-well pump oil inlet valve at shut-off plug the structural representation during in pressure transmission position;
Fig. 3 is the left view of Fig. 2;
Fig. 4 be in Fig. 1 oil-well pump oil inlet valve at shut-off plug the structural representation during in oil-feed position.
Embodiment
The embodiment of tubing pump in the utility model: as shown in Figures 1 to 4, this tubing pump is a kind of flow around type pressure transmission tubing pump, this oil pump comprises the oil-well pump oil inlet valve 25 assembling on the filler opening of the pump housing 20 and downside thereof, oil-well pump oil inlet valve 25 comprises box cupling 1, spool 2, outer tube 4, cylinder sleeve 3 and be connected to the pressure transmission mechanism of lower box cupling 5 bottoms, pressure transmission mechanism comprises locking cover 6, pressure transmission body 13, shut-off plug 15, shearing pin 18, lower contact 14, shearing pin 18 is installed on locking cover 6 in pin hole and is threaded, its shearing end inserts in the locking slot on the shut-off plug 15 being sleeved in locking cover, under shearing pin 18 is controlled, shut-off plug 15 is placed in pressure transmission body 13 higher positions, top, the endoporus of shut-off plug 15 is for connecting the plug passage of upper and lower end, the pressure transmission mouth 16 of plug passage lower end communicates with the pressure transmission section of streaming 17 on pressure transmission body 13.Upper box cupling 1, outer tube 4, cylinder sleeve 3, lower box cupling 5, locking cover 6, pressure transmission body 13 and lower contact 14 form the valve body of whole oil-well pump oil inlet valve, in valve body, establish the valve pocket of column, and the annular pass of the section of streaming 17 and upper and lower sides thereof forms pressure transmission passage, 15 of shut-off plugs lead and are assemblied in valve pocket in the section of streaming upstream open position along the vertical direction, the chamber wall of the outer circumferential face of shut-off plug and valve pocket is provided with all surface seal structures for shut-off plug is coordinated with valve seal, within this week, surface seal structure comprises the Moving plate root 11 assembling on the outer circumferential face of shut-off plug 15, the corresponding sealing surface arranging on the chamber wall of the price fixing root 12 assembling on the chamber wall of valve pocket and the outer circumferential face of shut-off plug 15 and valve pocket, in the movement travel of shut-off plug 15 on valve pocket is axial, there is the upstream open of the section of streaming and the pressure transmission position of plug channel connection, the upstream open of the section of streaming by all surface seal structures, sealed and with the oil-feed position that is cut off of plug passage, and shut-off plug is when in oil-feed position, the chamber wall Spielpassung of the outer circumferential face of shut-off plug and valve pocket.
In pressure transmission body 13, be provided with the one-way valve below shut-off plug 15, it is unidirectional making progress that this one-way valve makes liquid flow path direction, and the section of streaming of pressure transmission passage is formed by the peripheral through hole that arranges and make progress uniformly at intervals along valve pocket week of one-way valve, the section of streaming of pressure transmission passage connects the two ends up and down of one-way valve.
The upper-end surface of shut-off plug 15 is the stopping surface coordinating with the lower end surface conical surface pushing tow of spool 2, and spool 2 be a kind of can be in valve pocket the piston mechanism of upper and lower guiding movement, to guarantee that spool 2 can push up the upper end that is pressed in shut-off plug 15 accurately.
On passing through when going into the well, box cupling 1 is connected with oil pipe thread, below it, being connected with hydraulic packer 21 grades needs the kit of the setting seat card of fluid power, after whole tubing string is gone into the well and is put in place, by ground Hydraulic pump rail, suppress, liquid stream reaches by oil pipe, pump barrel inner chamber, shut-off plug 15 lower end pressure transmission mouths 16, the outer section of streaming 17 of side of pressure transmission body 13 central duct and the endoporus of lower contact 14 kit connecting under pump, and hydraulic pressure is provided, after completing pressure transmission function, packet 21 kits such as grade complete setting seat card, be lowered to again spool 2, sucker rod connects spool 2 and is lowered into pump bottom, spool 2 lower ends must press down shut-off plug 15, under roofbolt pressure, shearing pin 18 front end cut-out portion are cut off, shut-off plug 15 moves down certain distance, shut-off plug 15 lower end pressure transmission mouths 16 are become at price fixing root 12 lower positions from the above position of price fixing root 12, price fixing root 12 has sealed pressure transmission mouth 16, price fixing root 12 and Moving plate root 11 have sealed the upstream open of the section of streaming 17 on pressure transmission body 13, the realization section of streaming is closed, afterwards, raise roofbolt, pump plug position, enter pump and take out state.
In the above-described embodiments, the whereabouts of shut-off plug is to complete under the promotion of spool, and in other embodiments, the whereabouts of shut-off plug also can be realized by other equipment.
In the above-described embodiments, all surface seal structures are by the interval layout between the outer circumferential face of shut-off plug and the chamber wall of valve pocket and price fixing root, Moving plate root and the sealing surface of setting form respectively between the two, in other embodiments, this week surface seal structure also can be realized by the members such as the stuffing box gland of sandwiched between the two, spacer, worm structure or structure.
In the above-described embodiments, the stopping surface on shut-off plug is the conical surface, and in other embodiments, this stopping surface can be also step surface, ring end face etc.
The embodiment of oil-well pump oil inlet valve in the utility model: in the present embodiment, oil-well pump oil inlet valve is identical with the structure of oil-well pump oil inlet valve in above-described embodiment, therefore repeats no more.
Claims (8)
1. oil-well pump oil inlet valve, the pressure transmission passage that comprises valve body and interior setting thereof, the valve pocket of column, it is characterized in that, pressure transmission passage has the section of streaming in the wall of the chamber of valve pocket, the axially directed shut-off plug being fitted with in the section of streaming upstream open position in valve pocket, on shut-off plug, offer the plug passage that axially connects opposite end along valve pocket, the chamber wall of the outer circumferential face of shut-off plug and valve pocket is provided with all surface seal structures for shut-off plug is coordinated with valve seal, in the movement travel of shut-off plug on valve pocket is axial, there is the upstream open of the section of streaming and the pressure transmission position of plug channel connection, the upstream open of the section of streaming by all surface seal structures, sealed and with the oil-feed position that is cut off of plug passage.
2. oil-well pump oil inlet valve according to claim 1, is characterized in that, all surface seal structures comprise corresponding packing and the sealing surface arranging on the outer circumferential face of shut-off plug and the chamber wall of valve pocket.
3. oil-well pump oil inlet valve according to claim 1, is characterized in that, is provided with the one-way valve in shut-off plug one end in valve body, described in the periphery of the section of streaming in one-way valve connect the two ends of one-way valve.
4. according to the oil-well pump oil inlet valve described in claim 1 or 2 or 3, it is characterized in that, one end of shut-off plug is provided with the stopping surface for coordinating with spool pushing tow, stopping surface and the opposite end of the section of streaming upstream open in shut-off plug.
5. tubing pump, the oil-well pump oil inlet valve that comprises the pump housing and upper assembling thereof, oil-well pump oil inlet valve comprises the pressure transmission passage of valve body and interior setting thereof, the valve pocket of column, it is characterized in that, pressure transmission passage has the section of streaming in the wall of the chamber of valve pocket, the axially directed shut-off plug being fitted with in the section of streaming upstream open position in valve pocket, on shut-off plug, offer the plug passage that axially connects opposite end along valve pocket, the chamber wall of the outer circumferential face of shut-off plug and valve pocket is provided with all surface seal structures for shut-off plug is coordinated with valve seal, in the movement travel of shut-off plug on valve pocket is axial, there is the upstream open of the section of streaming and the pressure transmission position of plug channel connection, the upstream open of the section of streaming by all surface seal structures, sealed and with the oil-feed position that is cut off of plug passage.
6. tubing pump according to claim 5, is characterized in that, all surface seal structures comprise corresponding packing and the sealing surface arranging on the outer circumferential face of shut-off plug and the chamber wall of valve pocket.
7. tubing pump according to claim 5, is characterized in that, is provided with the one-way valve in shut-off plug one end in valve body, described in the periphery of the section of streaming in one-way valve connect the two ends of one-way valve.
8. according to the tubing pump described in claim 5 or 6 or 7, it is characterized in that, one end of shut-off plug is provided with the stopping surface for coordinating with spool pushing tow, stopping surface and the opposite end of the section of streaming upstream open in shut-off plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345415.8U CN203925987U (en) | 2014-06-26 | 2014-06-26 | Oil-well pump oil inlet valve and use the tubing pump of this oiling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345415.8U CN203925987U (en) | 2014-06-26 | 2014-06-26 | Oil-well pump oil inlet valve and use the tubing pump of this oiling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203925987U true CN203925987U (en) | 2014-11-05 |
Family
ID=51821807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420345415.8U Expired - Fee Related CN203925987U (en) | 2014-06-26 | 2014-06-26 | Oil-well pump oil inlet valve and use the tubing pump of this oiling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203925987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131155A (en) * | 2019-05-31 | 2019-08-16 | 无锡博伊特科技股份有限公司 | A kind of hand oil pump valve body and hand oil pump |
-
2014
- 2014-06-26 CN CN201420345415.8U patent/CN203925987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131155A (en) * | 2019-05-31 | 2019-08-16 | 无锡博伊特科技股份有限公司 | A kind of hand oil pump valve body and hand oil pump |
| CN110131155B (en) * | 2019-05-31 | 2023-12-26 | 无锡博伊特科技股份有限公司 | Manual oil pump valve body and manual oil pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204252931U (en) | Water injection packer | |
| CN203655585U (en) | Long plunger type injection-production pump | |
| CN201068781Y (en) | Down-hole fixed pressure opening valve for injection, extraction and washing | |
| CN203925987U (en) | Oil-well pump oil inlet valve and use the tubing pump of this oiling valve | |
| CN204283823U (en) | Divide to adopt and separate formula oil well pump | |
| CN204386576U (en) | Horizontal well in segments Intermittent cyclic steam stimulation note adopts integrated pipe column | |
| CN204312015U (en) | Wellhead blowout preventer of oil pumping well | |
| RU128896U1 (en) | DEVICE FOR TRANSFER OF WELLS, INCLUDING WATERFILLED, TO OPERATION ON TWO LIFT COLUMNS | |
| CN203808915U (en) | Oil pipe hanger plugging device | |
| CN204899870U (en) | Sucker rod cleaning device | |
| CN204025027U (en) | Stream pressure transmission tubing pump and oil-well pump oil inlet valve thereof | |
| CN204060611U (en) | A kind of open hole well squeezes stifled compression long packing element type hydraulic packer | |
| CN105587284B (en) | Wellhead blowout preventer of pumping unit well and blowout preventing method during wellhead opening operation | |
| CN204283318U (en) | High temperature high voltage resistant tubing packer | |
| CN203769703U (en) | Coal-bed gas well pressure meter cable wellhead sealing joint | |
| CN104196505B (en) | Chemical flooding layering injection device | |
| CN107061252B (en) | Plunger jet pump and oil outlet valve | |
| CN203201779U (en) | Valve of water pump | |
| CN203161152U (en) | Sucker rod self-sealing preventer | |
| CN206668236U (en) | The positioning acidizing device of stratified injection well | |
| CN202176302U (en) | Multi-level security sealing and centering wellhead device | |
| CN204941896U (en) | A kind of high pressure reciprocating pump fluid end structure | |
| CN204283336U (en) | A kind of laterally opened ball-and-seat | |
| CN203584382U (en) | Extract oil circulation injection and extraction device | |
| CN203961893U (en) | Dual string packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20210626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |