CN211397865U - Oil field oil extraction rod pump presets prevents spouting valve - Google Patents
Oil field oil extraction rod pump presets prevents spouting valve Download PDFInfo
- Publication number
- CN211397865U CN211397865U CN202021568515.9U CN202021568515U CN211397865U CN 211397865 U CN211397865 U CN 211397865U CN 202021568515 U CN202021568515 U CN 202021568515U CN 211397865 U CN211397865 U CN 211397865U
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- China
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- sleeve
- oil
- rod
- pipe joint
- limiting plate
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of oil extraction in oil fields, in particular to a preset blowout prevention valve of an oil field oil extraction rod type pump, which comprises a pipe joint seat and an outer cylinder, wherein the pipe joint seat is detachably arranged at the bottom of the outer cylinder, a limiting plate is slidably arranged at the top end inside the outer cylinder, a through hole is arranged in the middle of the limiting plate, a plurality of flow passages are arranged on the limiting plate at intervals, a stud is inserted in the through hole, a fastening nut is screwed at the top end of the stud, a rotating shaft is fixedly connected with the bottom coaxial line of the stud, the rotating shaft is rotatably arranged on a sealing sleeve, the bottom of the sealing sleeve is hermetically connected with the top end of the pipe joint seat, the bottom end of the rotating shaft extends into the sealing sleeve, a sleeve is fixedly connected on the bottom end, at least part of the sleeve and the threaded rod are screwed together, so that blowout is prevented.
Description
Technical Field
The utility model relates to an oil field oil recovery technical field especially relates to an oil field oil recovery rod-type pump presets prevents spouting valve.
Background
In the oil production process of the oil well, the pump is often forced to stop for operation due to underground abnormal conditions, and the oil well pump needs to be closed. The existing controllable pump sealer for pumping well needs to install a disjointer, which is suitable for large pumping well, when in operation, the pumping rod is lifted to make the disjointer disjointed, the pump sealer is left at the bottom of the well, and the liquid in the well can not enter the oil pump to seal the pump, but the pump sealer is only suitable for large pumping well, but not suitable for small pumping well.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an oil field oil extraction rod type pump preset blowout prevention valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the preset blowout prevention valve of the oil extraction rod type pump in the oil field comprises a pipe joint seat and an outer barrel, wherein the pipe joint seat is detachably arranged at the bottom of the outer barrel, a limiting plate is slidably arranged at the top end inside the outer barrel, a through hole is formed in the middle of the limiting plate, a plurality of flow channels are arranged on the limiting plate at intervals, a stud is inserted in the through hole, a fastening nut is screwed on the top end of the stud, a rotating shaft is fixedly connected with a bottom coaxial line of the stud, the rotating shaft is rotatably arranged on a sealing sleeve, the bottom of the sealing sleeve is hermetically connected with the top end of the pipe joint seat, the bottom of the rotating shaft extends into the sealing sleeve, a sleeve is fixedly connected onto the bottom end of the rotating shaft, a threaded rod is slidably arranged in the sleeve, threads are arranged on the inner wall of the sleeve, the bottom end of the threaded rod is coaxially and fixedly connected with a sliding rod, the sliding rod is connected in the sleeve in a sliding mode, the bottom end of the sliding rod is fixedly connected with a valve core, and the valve core is connected to the top of the pipe joint seat in a sealing mode and is in sliding sealing fit with the sealing sleeve in the circumferential direction; an annular space is formed between the sealing sleeve and the outer barrel, and an oil outlet communicated with the annular space is formed in the side wall of the sealing sleeve.
Preferably, the spring is always in compression.
Preferably, the top of the pipe joint seat is provided with an external thread, the bottom of the pipe joint seat is provided with an internal thread, and the top of the pipe joint seat is screwed on the bottom of the outer barrel.
The utility model provides a pair of oil field oil recovery rod-type pump presets prevents spouting valve, beneficial effect lies in: this oil field oil recovery rod pump presets prevents spouting valve and oil recovery pole intercommunication through the coupling seat, and when the oil recovery pole oil supply, crude oil pushes away case rebound under the effect of pressure, and crude oil flows out from the oil outlet, and when the oil recovery pole stop work, rotating limiting plate drive sleeve is rotatory, makes sleeve and threaded rod have partial spiro union together at least, seals the oil outlet and prevents to take place the blowout.
Drawings
Fig. 1 is the utility model provides a structural schematic diagram of oil field oil recovery rod-type pump presets blowout prevention valve.
Fig. 2 is the utility model provides a structural schematic diagram of the pivot of oil field oil recovery rod-type pump preset blowout prevention valve.
Fig. 3 is the utility model provides a structure schematic diagram of limiting plate of blowout prevention valve is preset to oil field production rod pump.
Fig. 4 is the utility model provides a A department's enlargements of blowout prevention valve are preset to oil recovery rod-type pump in oil field.
In the figure: 1. the device comprises a pipe joint seat, 2, an outer cylinder, 3, a limiting plate, 301, a flow passage, 302, a through hole, 4, a rotating shaft, 5, a stud, 6, a fastening nut, 7, a sealing sleeve, 8, a sleeve, 9, a spring, 10, a threaded rod, 11, threads, 12, a sliding rod, 13, a valve core, 14 and an oil outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, an oil field oil extraction rod pump presets prevents spouting valve, including coupling seat 1 and urceolus 2, coupling seat 1 top is equipped with the external screw thread, coupling seat 1 bottom is equipped with the internal thread, coupling seat 1 top spiro union is on urceolus 2 bottoms, limiting plate 3 is installed to 2 inside top slidable of urceolus, through-hole 302 has been seted up at limiting plate 3 middle part, spacing interval is equipped with a plurality of runners 301 on the limiting plate 3, the double-screw bolt 5 is equipped with in the interpolation of through- hole 302, 5 top spiro unions of double-screw bolt have fastening nut 6, the bottom coaxial line rigid coupling of double-screw bolt 5 has pivot 4, can drive pivot 4 through rotating limiting plate 3 and rotate, 4 rotations.
The rotating shaft 4 is rotatably arranged on a sealing sleeve 7, the bottom of the sealing sleeve 7 is hermetically connected with the top end of the pipe joint seat 1, the bottom end of the rotating shaft 4 extends into the sealing sleeve 7, a sleeve 8 is fixedly connected on the bottom end of the rotating shaft 4, a threaded rod 10 is slidably arranged in the sleeve 8, a thread 11 is arranged on the inner wall of the sleeve 8 below the threaded rod 10, the threaded rod 10 can be screwed on the thread 11, install spring 9 between threaded rod 10 and the inside top of sleeve 8, spring 9 is in compression state all the time, threaded rod 10 bottom coaxial line rigid coupling has slide bar 12, slide bar 12 slidable connects in sleeve 8, slide bar 12 bottom rigid coupling has case 13, case 13 can seal the connection and constitute sliding seal cooperation between 1 top of coupling seat and circumference and seal cover 7, form the annular space between seal cover 7 and the urceolus 2, and set up on the seal cover 7 lateral wall with the oil outlet 14 of annular space intercommunication. This device is through the pipe joint seat 1 and oil recovery pole intercommunication, when oil recovery pole oil recovery, crude oil pushes away case 13 rebound under the effect of pressure, oil outlet 14 opens, crude oil flows out from oil outlet 14, when oil recovery pole stop work, it is rotatory that rotating limiting plate 3 drives sleeve 8, makes sleeve 8 and threaded rod 10 have partial spiro union together at least, case 13 is locked relatively this moment, can not axial displacement to seal oil outlet 14, prevent the blowout.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides an oil field oil recovery rod-type pump presets prevents spouting valve which characterized in that, includes coupling seat (1) and urceolus (2), coupling seat (1) detachable is installed urceolus (2) bottom, limiting plate (3) are installed to urceolus (2) inside top slidable, through-hole (302) have been seted up at limiting plate (3) middle part, a plurality of runners (301) have been seted up at the interval on limiting plate (3), double-screw bolt (5) have been equipped with in the interpolation of through-hole (302), double-screw bolt (5) top spiro union has fastening nut (6), the bottom coaxial line rigid coupling of double-screw bolt (5) has pivot (4), pivot (4) rotatable the installation on seal cover (7), seal cover (7) bottom sealing connection in coupling seat (1) top, the bottom of pivot (4) extends to inside seal cover (7), a sleeve (8) is fixedly connected to the bottom end of the rotating shaft (4), a threaded rod (10) is slidably mounted in the sleeve (8), threads (11) are arranged on the inner wall of the sleeve (8) below the threaded rod (10), the threaded rod (10) can be in threaded connection with the threads (11), a spring (9) is mounted between the threaded rod (10) and the top end of the interior of the sleeve (8), a sliding rod (12) is fixedly connected to the bottom end of the threaded rod (10) in a coaxial manner, the sliding rod (12) is slidably connected to the interior of the sleeve (8), a valve core (13) is fixedly connected to the bottom end of the sliding rod (12), and the valve core (13) is hermetically connected to the top of the pipe joint seat (1) and forms sliding sealing fit with the sealing sleeve (7) in; an annular space is formed between the sealing sleeve (7) and the outer barrel (2), and an oil outlet (14) communicated with the annular space is formed in the side wall of the sealing sleeve (7).
2. The preset blowout preventer of an oilfield sucker-rod pump according to claim 1, wherein the spring (9) is always in compression.
3. The preset blowout prevention valve of the sucker-rod pump for oil extraction in the oil field according to claim 1, wherein the top of the pipe joint seat (1) is provided with external threads, the bottom of the pipe joint seat (1) is provided with internal threads, and the top of the pipe joint seat (1) is screwed on the bottom of the outer cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021568515.9U CN211397865U (en) | 2020-08-01 | 2020-08-01 | Oil field oil extraction rod pump presets prevents spouting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021568515.9U CN211397865U (en) | 2020-08-01 | 2020-08-01 | Oil field oil extraction rod pump presets prevents spouting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397865U true CN211397865U (en) | 2020-09-01 |
Family
ID=72211625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021568515.9U Expired - Fee Related CN211397865U (en) | 2020-08-01 | 2020-08-01 | Oil field oil extraction rod pump presets prevents spouting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211397865U (en) |
-
2020
- 2020-08-01 CN CN202021568515.9U patent/CN211397865U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200901 Termination date: 20210801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |