CN220319785U - Oil pump with anti-blocking function - Google Patents
Oil pump with anti-blocking function Download PDFInfo
- Publication number
- CN220319785U CN220319785U CN202321352934.2U CN202321352934U CN220319785U CN 220319785 U CN220319785 U CN 220319785U CN 202321352934 U CN202321352934 U CN 202321352934U CN 220319785 U CN220319785 U CN 220319785U
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- outlet valve
- sand setting
- pipe
- 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
- 239000004576 sand Substances 0.000 claims abstract description 58
- 230000008878 coupling Effects 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 29
- 238000005859 coupling reaction Methods 0.000 claims abstract description 29
- 239000003129 oil well Substances 0.000 claims description 14
- 238000005728 strengthening Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 241001391944 Commicarpus scandens Species 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 74
- 238000005086 pumping Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses an oil pump with an anti-blocking function, which relates to the technical field of oil pumps and comprises a reinforced upper oil outlet valve cover, wherein an oil pipe coupling is arranged at the outer side of the bottom of the reinforced upper oil outlet valve cover, a sand setting outer cylinder is inserted into the inner wall of the bottom of the oil pipe coupling, a first coupling is arranged at the bottom of the sand setting outer cylinder, and a bridge type oil inlet hole is arranged between the first coupling and the sand setting outer cylinder. In the utility model, the reinforcing upper oil outlet valve cover, the sand setting pipe, the screwed plug, the pump cylinder extension pipe and the short pump cylinder are arranged at the most practical condition, the upper oil outlet valve cover is not limited by the inner diameter of the pump cylinder by reinforcing the upper oil outlet valve cover, so that the wall thickness of the upper oil outlet valve cover is increased, the strength is greatly improved, the condition that the wall of the upper oil outlet valve cover of a conventional oil pump is thin and easy to break is made up, and no liquid exists between the pump cylinder and the long pump cylinder through the pump cylinder extension pipe arranged between the pump cylinder and the long pump cylinder, thereby effectively preventing sand clamping, sanding and erosion, and greatly prolonging the service life of the pump.
Description
Technical Field
The utility model relates to the technical field of oil pumps, in particular to an oil pump with an anti-blocking function.
Background
Along with the continuous development of industry and economy, the exploitation of oil well also continuously increases, also continuously increases to the demand of oil-well pump, and the main equipment in the pole pumping system when the oil-well pump, the power that passes through beam-pumping unit, sucker rod carries out the pumping of oil well interior liquid, and its according to the degree of depth, throughput, the crude oil nature of oil well difference, required oil-well pump structure type also can be different, and the oil-well pump mainly comprises working cylinder, piston and travelling valve and fixed valve, when carrying out the pumping operation to pumping well such as play sand, buggy, need use the oil-well pump that possesses to put the jam function.
The existing oil pump with the plugging function is generally arranged in the pump body in the using process, so that the upper oil outlet valve cover is limited by the inner diameter of the pump barrel, the wall thickness of the upper oil outlet valve cover is weak, the strength of the upper oil outlet valve cover is low, and the upper oil outlet valve cover is easy to break.
Disclosure of Invention
The utility model aims to solve the defects that in the use process of the existing oil pump with the plugging function, an upper oil outlet valve body is generally arranged in a pump body, so that an upper oil outlet valve cover is limited by the inner diameter of a pump cylinder, the wall thickness of the upper oil outlet valve cover is weak, the strength of the upper oil outlet valve cover is low, and the breakage phenomenon is easy to occur.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an oil pump with anti-blocking function, comprising:
the reinforced upper oil outlet valve cover, an oil pipe coupling is arranged on the outer side of the bottom of the reinforced upper oil outlet valve cover, a sand setting outer cylinder is inserted into the inner wall of the bottom of the oil pipe coupling, a first coupling is arranged at the bottom of the sand setting outer cylinder, a bridge type oil inlet hole is formed between the first coupling and the sand setting outer cylinder, a sand setting pipe is connected to the bottom of the first coupling, and a plug is arranged at the bottom of the sand setting pipe;
go up the oil valve body, go up the oil valve body and install in strengthening the inside of going up the oil valve cover, and strengthen the bottom of going up the oil valve cover and be provided with long plunger, the outer wall middle part cover of long plunger is equipped with short pump barrel.
Preferably, the outer sand setting cylinder is fixedly connected with the oil pipe coupling, and the outer diameter of the upper end of the outer sand setting cylinder is equal to the inner diameter of the oil pipe coupling.
Preferably, the sand setting pipe and the sand setting outer cylinder form a detachable structure through a first coupling, and the sand setting pipe is in threaded connection with the plug.
Preferably, the bottom of the long plunger is provided with a lower oil outlet valve body, and the outer wall of the upper end of the long plunger is attached to the inner wall of the reinforced upper oil outlet valve cover.
Preferably, the bottom of the short pump cylinder is provided with a pump cylinder extension pipe, and the bottom of the pump cylinder extension pipe is provided with an oil inlet valve.
Preferably, the bottom of the pump cylinder extension tube is communicated with the bridge type oil inlet.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. in the utility model, the reinforcing upper oil outlet valve cover, the sand setting pipe, the screwed plug, the pump cylinder extension pipe and the short pump cylinder are arranged at the most practical condition, the upper oil outlet valve cover is not limited by the inner diameter of the pump cylinder by reinforcing the upper oil outlet valve cover, so that the wall thickness of the upper oil outlet valve cover is increased, the strength is greatly improved, the condition that the wall of the upper oil outlet valve cover of a conventional oil pump is thin and easy to break is made up, and no liquid exists between the pump cylinder and the long pump cylinder through the pump cylinder extension pipe arranged between the pump cylinder and the long pump cylinder, thereby effectively preventing sand clamping, sanding and erosion, and greatly prolonging the service life of the pump.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the present utility model;
fig. 3 is an enlarged schematic view of the structure at a in the present utility model.
Legend description:
1. reinforcing an upper oil outlet valve cover; 2. a sand setting outer cylinder; 3. a first coupling; 4. a sand setting pipe; 5. plugging; 6. an upper oil outlet valve body; 7. a long plunger; 8. a pump cylinder extension tube; 9. a lower oil outlet valve body; 10. an oil inlet valve; 11. bridge type oil inlet hole; 12. a short pump cylinder; 13. tubing collar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an oil pump with anti-blocking function comprises a reinforced upper oil outlet valve cover 1, wherein an oil pipe coupling 13 is arranged at the outer side of the bottom of the reinforced upper oil outlet valve cover 1, a sand setting outer cylinder 2 is inserted into the inner wall of the bottom of the oil pipe coupling 13, the sand setting outer cylinder 2 and the oil pipe coupling 13 are fixedly connected, the outer diameter of the upper end of the sand setting outer cylinder 2 is equal to the inner diameter of the oil pipe coupling 13, the surface of the sand setting outer cylinder 2 is treated by adopting chromium plating, and the valve seat is made of hard alloy, so that the anti-blocking and anti-erosion capabilities are strong, a first coupling 3 is arranged at the bottom of the sand setting outer cylinder 2, a bridge type oil inlet 11 is arranged between the first coupling 3 and the sand setting outer cylinder 2, a sand setting pipe 4 is connected at the bottom of the first coupling 3, a plug 5 is arranged at the bottom of the sand setting pipe 4, the sand setting outer cylinder 2 and the sand setting pipe 4 form a detachable structure through the first coupling 3, and the sand setting pipe 4 and the plug 5 are in threaded connection, and the detachable structure is convenient for replacing the sand setting pipe 4;
the upper oil outlet valve body 6 is arranged in the reinforced upper oil outlet valve cover 1, the bottom of the reinforced upper oil outlet valve cover 1 is provided with a long plunger 7, the bottom of the long plunger 7 is provided with a lower oil outlet valve body 9, the outer wall of the upper end of the long plunger 7 is attached to the inner wall of the reinforced upper oil outlet valve cover 1, the upper oil outlet valve cover is not limited by the inner diameter of a pump barrel by the arrangement of the reinforced upper oil outlet valve cover 1, the wall thickness is increased, the strength is greatly improved, the defect that the arm of the upper oil outlet valve cover of a conventional oil pump is thin and easy to break is overcome, the middle part of the outer wall of the long plunger 7 is sleeved with a short pump barrel 12, the bottom of the short pump barrel 12 is provided with a pump barrel extension pipe 8, the bottom of the pump barrel extension pipe 8 is provided with an oil inlet valve 10 by the arrangement of the short pump barrel 12, the sand grains are sunk into the sand settling pipe 4 under the pump through the annular space between the sand settling outer cylinder 2 and the short pump cylinder 12, and because the pump cylinder is short, a small amount of sand grains sunk into the short pump cylinder 12 can be taken out of the pump by oil flow, the bottom of the pump cylinder extension pipe 8 and the bridge type oil inlet hole 11 are in a communication state, so that the well liquid Rong Gu bridge type oil inlet hole 11 is matched with the oil inlet valve 10 to enter the pump, and the long plunger 7 is isolated from the sand settling outer cylinder 2 through the arrangement of the pump cylinder extension pipe 8, so that no liquid exists between the pump cylinder and the long plunger 7, sand clamping, sanding and erosion can be effectively prevented, the service life of the pump is greatly prolonged, and meanwhile, the bridge outer pipe can avoid the pump cylinder from being deformed and clamped by stress.
Working principle: the working principle of the oil pump of the device is similar to that of a common oil pump (namely, the working principle is the same), in the oil pumping process, liquid in a well enters the pump through the bridge type oil inlet hole 11 matched with the oil inlet valve 10, is discharged to the upper oil outlet valve body 6 on the pump by the long plunger 7, then sand particles sink into the sand outlet pipe 4 under the pump through the annular space between the sand outlet cylinder 2 and the short pump cylinder 12 through the arrangement of the sand outlet cylinder 2 and the sand outlet pipe 4, and a small amount of sand particles sinking into the short pump cylinder 12 can be taken out of the pump by oil flow, if the oil pumping operation is stopped halfway, sand particles in the liquid in the oil pipe on the short pump cylinder 12 are also deposited into the sand outlet pipe 4, so that sand blocking and sand burying are effectively prevented, and finally, the oil outlet flow cross section is not limited by the inner diameter of the pump cylinder because the reinforced upper oil outlet valve cover 1 is loaded outside the pump cylinder, and the oil outlet flow resistance is smaller than that of a conventional pump, and the pump efficiency is high.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. An oil-well pump that possesses anti-clogging function, which characterized in that includes:
the reinforced upper oil outlet valve cover (1), an oil pipe coupling (13) is arranged on the outer side of the bottom of the reinforced upper oil outlet valve cover (1), a sand setting outer cylinder (2) is inserted into the inner wall of the bottom of the oil pipe coupling (13), a first coupling (3) is arranged at the bottom of the sand setting outer cylinder (2), a bridge type oil inlet hole (11) is formed between the first coupling (3) and the sand setting outer cylinder (2), a sand setting pipe (4) is connected to the bottom of the first coupling (3), and a plug (5) is arranged at the bottom of the sand setting pipe (4);
go up oil valve body (6), go up oil valve body (6) and install in the inside of strengthening last oil valve bonnet (1), and strengthen the bottom of going up oil valve bonnet (1) and be provided with long plunger (7), the outer wall middle part cover of long plunger (7) is equipped with short pump barrel (12).
2. The oil-well pump with anti-blocking function according to claim 1, wherein: the sand setting outer cylinder (2) is fixedly connected with the oil pipe coupling (13), and the outer diameter of the upper end of the sand setting outer cylinder (2) is equal to the inner diameter of the oil pipe coupling (13).
3. The oil-well pump with anti-blocking function according to claim 1, wherein: the sand setting pipe (4) and the sand setting outer cylinder (2) form a detachable structure through the first coupling (3), and the sand setting pipe (4) is in threaded connection with the plug (5).
4. The oil-well pump with anti-blocking function according to claim 1, wherein: the bottom of the long plunger (7) is provided with a lower oil outlet valve body (9), and the outer wall of the upper end of the long plunger (7) is attached to the inner wall of the reinforced upper oil outlet valve cover (1).
5. The oil-well pump with anti-blocking function according to claim 1, wherein: the bottom of the short pump barrel (12) is provided with a pump barrel extension pipe (8), and the bottom of the pump barrel extension pipe (8) is provided with an oil inlet valve (10).
6. The oil-well pump with anti-blocking function according to claim 5, wherein: the bottom of the pump cylinder extension tube (8) is communicated with the bridge type oil inlet hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352934.2U CN220319785U (en) | 2023-05-31 | 2023-05-31 | Oil pump with anti-blocking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352934.2U CN220319785U (en) | 2023-05-31 | 2023-05-31 | Oil pump with anti-blocking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319785U true CN220319785U (en) | 2024-01-09 |
Family
ID=89421989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321352934.2U Active CN220319785U (en) | 2023-05-31 | 2023-05-31 | Oil pump with anti-blocking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687707A (en) * | 2020-12-29 | 2022-07-01 | 中国石油化工股份有限公司 | Quick flowing back tubular column of machine pump anti-sticking |
-
2023
- 2023-05-31 CN CN202321352934.2U patent/CN220319785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687707A (en) * | 2020-12-29 | 2022-07-01 | 中国石油化工股份有限公司 | Quick flowing back tubular column of machine pump anti-sticking |
| CN114687707B (en) * | 2020-12-29 | 2024-07-19 | 中国石油化工股份有限公司 | Quick flowing back tubular column of anti-sticking is taken out to machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220319785U (en) | Oil pump with anti-blocking function | |
| CN201027642Y (en) | Rod type underbalance oil well pump | |
| CN102562542A (en) | Sand-preventing scale-preventing oil well pump with long plunger piston | |
| CN202117628U (en) | Liquid flow diversion valve | |
| CN116927725B (en) | Underground special oil pump oil extraction system with scale prevention and wax control functions | |
| CN103437984B (en) | Multi-functional solid plunger tubing pump | |
| CN204419068U (en) | Spin paraffin cutting improvement centralizer of pumping | |
| CN212406676U (en) | Sand setting bottom screen plug | |
| CN211144465U (en) | Underground oil-water separator | |
| CN201916171U (en) | Sand-resistant and dirt-resistant long plunger piston oil pump | |
| CN112049784A (en) | Movable cylinder oil well pump | |
| CN202073755U (en) | Deep well oil pump suitable for highly-deviated well | |
| CN202500751U (en) | Tertiary oil recovery oil well pump | |
| CN221119925U (en) | Strengthening centralizing sand-proof suspension oil pump | |
| CN219509598U (en) | Oil well lifting pipe column | |
| CN217001794U (en) | Non-deformable's anticorrosive screen pipe in oil field | |
| CN210290093U (en) | Sand-proof oil-well pump with super-long plunger and short pump barrel | |
| CN102146911A (en) | Sand-prevention oil-well pump with long plunger | |
| CN216077525U (en) | Integral matched anti-corrosion oil well pump | |
| CN2809269Y (en) | Junk prevention device for oil well pump | |
| CN216477810U (en) | Bottom flow dividing valve and bottom flow dividing anti-corrosion sand-prevention buried rod type oil well pump | |
| CN218407761U (en) | Long-plunger sand-proof suspension type oil well pump | |
| CN203756482U (en) | Anti-corrosion, sand-preventing and wear-resistant oil well pump | |
| CN220687547U (en) | Oil field tesla valve oil pump | |
| CN219795521U (en) | Novel deep well oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |