CN219412865U - Self-adaptive valve oil pump - Google Patents
Self-adaptive valve oil pump Download PDFInfo
- Publication number
- CN219412865U CN219412865U CN202320547250.1U CN202320547250U CN219412865U CN 219412865 U CN219412865 U CN 219412865U CN 202320547250 U CN202320547250 U CN 202320547250U CN 219412865 U CN219412865 U CN 219412865U
- Authority
- CN
- China
- Prior art keywords
- plunger
- annular valve
- valve body
- annular
- sealing surface
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 230000003044 adaptive effect Effects 0.000 claims abstract description 7
- 239000003129 oil well Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 12
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/12—Valves; Arrangement of valves arranged in or on pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
An adaptive valve oil pump relates to an oil pump. The utility model aims to solve the problems of high machining difficulty and high machining cost caused by high tolerance requirements of the existing oil pump parts. The upper plunger and the lower plunger are connected through the loose joint, the joint part of the loose joint and the upper plunger or the lower plunger is provided with an axial gap and a circumferential gap, the upper pump cylinder is sleeved on the upper plunger, the loose joint and the lower plunger, the sealing sleeve is sleeved on the lower plunger, the annular valve body is sleeved on the lower plunger and is positioned at the upper end of the sealing sleeve, the shell is sleeved on the lower plunger and is positioned at the lower end of the upper pump cylinder, the annular valve seat is arranged in the shell, the annular valve body and the annular valve seat are in contact with each other by adopting an arc surface to realize sealing, and the arc surface can generate circumferential angle deflection when in contact with each other, and the gap between the inner side wall of the lower part of the shell and the outer side wall of the sealing sleeve provides a swinging space for the loose joint and the annular valve body. The utility model is used in the field of oil extraction engineering.
Description
Technical Field
The utility model relates to an oil pump, in particular to a self-adaptive valve oil pump, and belongs to the field of oil extraction engineering in the petroleum industry.
Background
The oil pump with more structural members and larger length is mainly an elongated tubular body and is divided into an inner-outer multi-layer structure, so that the requirements on the technical indexes such as straightness, coaxiality and concentricity of the processing of parts are very accurate, and the problems of high processing difficulty, high manufacturing cost and the like exist.
For example, the patent name of the patent with the publication number of CN218151382U is a movable joint type double-plunger pump, and in order to solve the processing and manufacturing difficulty of the slender tubular body, a movable joint is adopted, and the problem that the coaxiality between the upper plunger and the lower plunger is required to be high in precision is solved to a certain extent by the movable joint. However, the existing oil pump still comprises multiple parts, in the actual machining process, each part has machining tolerance, and in the assembling process, the machining tolerance is accumulated into an assembly error, so that in order to avoid the problems, the machining difficulty of each part is high, and in particular, the requirements on the coaxiality, the perpendicularity and the like of the upper plunger and the lower plunger are very high, so that the problem of high machining cost exists.
In summary, the tolerance requirement of the existing oil pump parts is high, so that the processing difficulty is high, and the processing cost is high.
Disclosure of Invention
The utility model aims to solve the problems of high machining difficulty and high machining cost caused by high tolerance requirements of the existing oil pump parts. And further provides an adaptive valve oil pump.
The technical scheme of the utility model is as follows: the utility model provides a self-adaptation valve oil-well pump, including last pump barrel, go up plunger, loose joint and plunger down, go up the plunger and be connected through the loose joint down between the plunger, and the loose joint has axial and circumferential gap with last plunger or plunger down connection position, the gap has realized down the plunger at the upper and lower removal of axial direction and the swing of circumference direction, go up the pump barrel suit on last plunger, loose joint and plunger down, it still includes annular valve body, seal cover, annular disk seat and casing, the seal cover suit is on plunger down, annular valve body suit is on plunger down and be located the upper end of seal cover, and annular valve body and seal cover connect into an organic whole, the casing suit is on plunger down and be located the lower extreme of last pump barrel, and the casing is connected into an organic whole with last pump barrel, annular disk seat installs in the casing, adopt the arc surface to contact between annular valve body and the annular disk seat to realize sealedly, and the arc surface can produce circumferential angle deflection when taking place to contact seal, leave clearance M between casing lower part inside wall and the seal cover lateral wall, clearance M provides swing space for loose joint and annular valve body.
Further, the hardness of the annular valve body sealing surface is greater than the hardness of the annular valve seat sealing surface.
Still further, the sealing surface width of the annular valve seat is less than the sealing surface width of the annular valve body.
Preferably, the sealing surface of the annular valve body is a convex outer circle, and the sealing surface of the annular valve seat is a concave inner circle.
Preferably, the sealing surface of the annular valve body is a concave inner circle, and the sealing surface of the annular valve seat is a convex outer circle.
Preferably, an annular oil flow passage is formed between an outer circumferential surface of the annular valve body and an inner circumferential surface of the housing.
Compared with the prior art, the utility model has the following effects:
1. the annular valve body 5 and the annular valve seat 7 are in contact with each other through the arc surface to realize sealing, so that the sealing effect is better, and leakage is less prone to occur.
2. The utility model adopts the arc surface contact, the arc contact surface can lead the movable annular valve body to deflect circumferentially and angularly after being contacted with the fixed annular valve seat for sealing, and the sealing is not imprecise due to the characteristic of the arc contact surface, thereby having the functions of sealing and generating angular offset.
3. When the technology of the utility model realizes the self-adaptive function, the fault tolerance rate of the tolerance such as larger coaxiality, concentricity, verticality and parallelism among all parts is realized through the cooperative cooperation among the loose joint, the annular valve body, the annular valve seat and the clearance M, wherein the loose joint is mainly suitable for the fault tolerance of an axis and a circumferential angle, the annular valve body realizes the fault tolerance of the circumferential angle, and the clearance M provides a fault tolerance space for the loose joint and the annular valve body; the annular valve body has better structural tightness and lower cost. The utility model can fundamentally solve the problems of processing tolerance, poor sealing performance and high production cost.
Drawings
Fig. 1 is a main sectional view of the sealing surface of the annular valve body 5 with a convex outer circle and the sealing surface of the annular valve seat 7 with a concave inner circle, wherein the annular valve seat 7 and the shell 8 are arranged separately;
fig. 2 is a main sectional view of the sealing surface of the annular valve body 5 with a concave inner circle and the sealing surface of the annular valve seat 7 with a convex outer circle, wherein the annular valve seat 7 and the shell 8 are integrally arranged;
FIG. 3 is an enlarged view of a portion of the arc surface contact;
fig. 4 is a cross-sectional view of fig. 1 at A-A.
Detailed Description
The first embodiment is as follows: the self-adaptive valve oil pump of the present embodiment is described with reference to fig. 1 to 4, and includes an upper pump barrel 1, an upper plunger 2, a loose joint 3 and a lower plunger 4, wherein the upper plunger 2 and the lower plunger 4 are connected through the loose joint 3, an axial and circumferential gap is formed between the connection part of the loose joint 3 and the upper plunger 2 or the lower plunger 4, the gap realizes the up-and-down movement of the lower plunger 4 in the axial direction and the swing in the circumferential direction, the upper pump barrel 1 is sleeved on the upper plunger 2, the loose joint 3 and the lower plunger 4, the self-adaptive valve oil pump further includes an annular valve body 5, a sealing sleeve 6, an annular valve seat 7 and a shell 8, the sealing sleeve 6 is sleeved on the lower plunger 4 and is positioned at the upper end of the sealing sleeve 6, the annular valve body 5 and the sealing sleeve 6 are connected into a whole, the shell 8 is sleeved on the lower plunger 4 and is positioned at the lower end of the upper pump barrel 1, the shell 8 and the upper pump barrel 1 is connected into a whole, the annular valve seat 7 is mounted in the shell 8, the annular valve seat 7 and the annular valve seat 7 is contacted with an arc surface to realize the seal, and the arc surface can generate a sealing angle when the arc surface contacts the upper side, the annular valve seat 7 and the annular valve seat is provided with the annular valve seat 6, and the clearance between the annular valve body and the lower side and the annular valve seat 8 is provided, and the clearance space between the annular valve body 3 and the lower side.
In practical use, the hard connection mode of the lower plunger 4 to the upper plunger 2 is changed into soft connection, and the joint part of the loose joint 3 and the upper plunger 2 or the lower plunger 4 is provided with an axial and circumferential gap, so that the effect is that the lower plunger 4 can freely generate circumferential free offset and also can generate angular offset relative to the center line of the part under the axial clearance fit of the loose joint; the circular arc surfaces of the annular valve body 5 and the annular valve seat 7 are arranged, and can generate circumferential angle deflection relative to the axis under the cooperation of a gap M between the inner side wall of the lower part of the shell 8 and the outer side wall of the sealing sleeve 6. The arrangement can increase the machining tolerance fault tolerance of each part, so that the machining precision is greatly reduced on the premise of meeting the quality requirement, and the manufacturing cost is reduced.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 to 2, in which the hardness of the sealing surface of the annular valve body 5 is greater than the hardness of the sealing surface of the annular valve seat 7. So set up, make sealed effect better, life longer through soft or hard face cooperation. Other compositions and connection relationships are the same as those of the first embodiment.
And a third specific embodiment: the present embodiment will be described with reference to fig. 1 to 3, in which the sealing surface width of the annular valve seat 7 is smaller than the sealing surface width of the annular valve body 5. So set up, because annular disk seat 7 is fixed, and annular valve body 5 is movable, the setting mode of upper width (annular valve body 5) lower narrow (annular disk seat 7) can effectively prevent annular valve body 5 when taking place the circumference deflection, produces the not tight problem of seal. Other compositions and connection relationships are the same as those of the first or second embodiment.
The specific embodiment IV is as follows: the present embodiment will be described with reference to fig. 1 to 2, in which the sealing surface of the annular valve body 5 is a convex outer circle, and the sealing surface of the annular valve seat 7 is a concave inner circle. So arranged, the concave inner circle structure of the present embodiment is stable. Other compositions and connection relationships are the same as those of the first, second or third embodiments.
Fifth embodiment: the present embodiment is described with reference to fig. 1 to 2, in which the sealing surface of the annular valve body 5 is a concave inner circle, and the sealing surface of the annular valve seat 7 is a convex outer circle. So set up, the sealed face of annular disk seat 7 can be for protruding the excircle direct processing on the pedestal of annular disk seat 7, and it is when realizing sealed moreover, is born the weight of by whole casing 8, and then has guaranteed sealed effect and annular disk seat 7's life. Other compositions and connection relationships are the same as those of the first, second, third or fourth embodiments.
Specific embodiment six: the present embodiment will be described with reference to fig. 2, in which an annular oil flow passage 9 is formed between the outer circumferential surface of the annular valve body 5 and the inner circumferential surface of the housing 8. So set up, the annular fluid flow path that forms between the outer circumference surface of annular valve body 5 and the inner circumference surface of casing 8, this annular fluid flow path's annular area is realized easily and is greater than the area of traditional interior circle (refer to plunger 4 down) fluid flow path, and then can reduce liquid flow resistance by a wide margin, improves the work efficiency of pump. Other compositions and connection relationships are the same as those of the first, second, third, fourth or fifth embodiments.
The working principle of the present utility model is explained with reference to fig. 1 to 4:
when the upper plunger 2 and the lower plunger 4 are upwards moved, the annular valve body 5 is opened, oil enters the pump cavity through the liquid inlet, and when the upper plunger 2 and the lower plunger 4 are downwards moved, the annular valve body 5 is contacted with the annular valve seat 7 to generate sealing.
In the operation process of the upper plunger 2 and the lower plunger 4, if the operation is not smooth due to assembly tolerance and machining tolerance of each component, the smooth operation of each component can be ensured through the fault tolerance function formed by the loose joint 3, the annular valve body 5, the annular valve seat 7 and the clearance M between the shell 8 and the sealing sleeve 6.
While the utility model has been described with reference to the preferred embodiments, it is not intended to limit the utility model, but rather to cover various modifications which may be made by those skilled in the art without departing from the spirit of the utility model.
Claims (6)
1. The utility model provides a self-adaptation valve oil-well pump, it includes pump barrel (1), goes up plunger (2), loose joint (3) and plunger (4) down, goes up and connects through loose joint (3) between plunger (2) and the plunger (4) down, and loose joint (3) have axial and circumferential gap with last plunger (2) or plunger (4) junction portion down, the upper and lower removal of plunger (4) in axial direction and the swing of circumference direction have been realized in the gap, go up pump barrel (1) suit on last plunger (2), loose joint (3) and plunger (4) down, its characterized in that: it still includes annular valve body (5), seal cover (6), annular disk seat (7) and casing (8), seal cover (6) suit is on plunger (4) down, annular valve body (5) suit is on plunger (4) down and be located the upper end of seal cover (6), and annular valve body (5) and seal cover (6) connect into an organic wholely, casing (8) suit is on plunger (4) down and be located the lower extreme of pump cylinder (1), and casing (8) are connected into an organic wholely with last pump cylinder (1), annular disk seat (7) are installed in casing (8), adopt the arc surface to contact between annular valve body (5) and the annular disk seat (7) and realize sealedly, and the arc surface can produce circumference angle deflection when taking place to contact sealedly, leave clearance M between casing (8) lower part inside wall and the seal cover (6) lateral wall, clearance M provides swing space for loose joint (3) and annular valve body (5).
2. The adaptive valve pump of claim 1, wherein: the hardness of the sealing surface of the annular valve body (5) is larger than that of the sealing surface of the annular valve seat (7).
3. An adaptive valve pump according to claim 1 or 2, wherein: the sealing surface width of the annular valve seat (7) is smaller than the sealing surface width of the annular valve body (5).
4. An adaptive valve pump according to claim 3, wherein: the sealing surface of the annular valve body (5) is a convex outer circle, and the sealing surface of the annular valve seat (7) is a concave inner circle.
5. An adaptive valve pump according to claim 3, wherein: the sealing surface of the annular valve body (5) is a concave inner circle, and the sealing surface of the annular valve seat (7) is a convex outer circle.
6. An adaptive valve pump according to claim 1, 2, 4 or 5, wherein: an annular oil flow passage (9) is formed between the outer circumferential surface of the annular valve body (5) and the inner circumferential surface of the housing (8).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547250.1U CN219412865U (en) | 2023-03-20 | 2023-03-20 | Self-adaptive valve oil pump |
| PCT/CN2023/093793 WO2024192866A1 (en) | 2023-03-20 | 2023-05-12 | Adaptive valve oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547250.1U CN219412865U (en) | 2023-03-20 | 2023-03-20 | Self-adaptive valve oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219412865U true CN219412865U (en) | 2023-07-25 |
Family
ID=87244174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320547250.1U Active CN219412865U (en) | 2023-03-20 | 2023-03-20 | Self-adaptive valve oil pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN219412865U (en) |
| WO (1) | WO2024192866A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259507Y (en) * | 1996-12-30 | 1997-08-13 | 李万发 | Automatic compensating anti-seizing up efficient oil pump |
| CN201024990Y (en) * | 2007-05-08 | 2008-02-20 | 刘萍 | Heat preservation pressure fixing exhaust device |
| CN204163964U (en) * | 2014-10-17 | 2015-02-18 | 邹淑君 | Ring valve type hydraulic feedback oil |
| US10364658B2 (en) * | 2015-09-14 | 2019-07-30 | Vlp Lift Systems, Llc | Downhole pump with controlled traveling valve |
| CN113969886A (en) * | 2020-07-22 | 2022-01-25 | 陕西卓远能源科技有限公司 | Tubular oil well pump |
| CN112483370A (en) * | 2020-11-27 | 2021-03-12 | 邹淑君 | Down-stroke adjustable pull-down plunger pump |
| CN218151382U (en) * | 2022-09-01 | 2022-12-27 | 邹淑君 | Loose joint type double-plunger pump |
-
2023
- 2023-03-20 CN CN202320547250.1U patent/CN219412865U/en active Active
- 2023-05-12 WO PCT/CN2023/093793 patent/WO2024192866A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024192866A1 (en) | 2024-09-26 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |