CN209370028U - A kind of airlock-resistant oil pump - Google Patents
A kind of airlock-resistant oil pump Download PDFInfo
- Publication number
- CN209370028U CN209370028U CN201821972878.1U CN201821972878U CN209370028U CN 209370028 U CN209370028 U CN 209370028U CN 201821972878 U CN201821972878 U CN 201821972878U CN 209370028 U CN209370028 U CN 209370028U
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- Prior art keywords
- plunger
- valve
- ball
- enclosed
- seat
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Abstract
The utility model discloses a kind of airlock-resistant oil pumps, include pump barrel, and pump barrel inner cavity is disposed with upward-traveling valves assembly, plunger connector, plunger and plunger enclosed valve assembly；Upward-traveling valves assembly includes upper traveling valve cage, upward-traveling valves ball and upward-traveling valves seat, and plunger enclosed valve assembly includes plunger closed cage, plunger enclosed valve ball and plunger enclosed valve seat；The hole passed through for oil gas is provided on upper traveling valve cage and plunger closed cage；Plunger enclosed valve assembly lower part connects the air trap that can open the plunger enclosed valve ball.Compared with prior art, the utility model is set up defences air valve in plunger enclosed valve assembly lower part, and air trap can open the plunger enclosed valve ball, to effectively reduce the occurrence frequency of gas lock；Meanwhile plunger closed cage uses stainless steel valve bonnet, solves valve bonnet etching problem；Plunger enclosed valve ball material is titanium carbide, and plunger enclosed valve seat material tungsten carbide, hardness and impact resistance are high, and valve ball and valve seat are able to achieve perfect sealing.
Description
Technical field
The utility model belongs to field of petroleum machinery, and in particular to a kind of airlock-resistant oil pump.
Background technique
The hole condition of each block in oil field is different, is easy to happen gas using common oil well pump for high-gas-contained well, high corrosion well
The problems such as lock, disconnected de- corrosion.
Once gas lock occurs, oil well pump will be unable to work normally, evacuate.Pumping unit moves up and down repeatedly, liquid without
Method is extracted.Accelerate the damage of the underground equipments such as rod string, valve bonnet, pump valve and oil pipe.Reduce the use of three pumping equipment
Service life.Gas lock occurs, needs clean-out service, the time is not grown after well-flushing, is easy that gas lock occurs again, and especially some remote wells are made
Industry is taken especially high, causes the waste of manpower and material resources.
Due to the corrosive substances such as the salinity of well liquid, chloride ion, sulfate radical height, to valve cover for oil pump, ball seat, connector etc.
Accessory causes to damage, so that oil well pump service life reduces, causes operation repeatedly.
Utility model content
For the big feature of some hole condition seriously corrodeds in oil field, air content, the utility model provides a kind of gas-tight oil pumping
Pump mainly solves oil well pump air-lock problem, and further solves the problems, such as that oil well pump corrosion is disconnected de-.
The technical solution of the utility model is:
A kind of airlock-resistant oil pump includes pump barrel, the pump barrel inner cavity be connected in turn from top to bottom upward-traveling valves assembly,
Plunger connector, plunger and plunger enclosed valve assembly；
The upward-traveling valves assembly includes upper traveling valve cage, upward-traveling valves ball and upward-traveling valves seat, the upward-traveling valves
Cover is connect with the upward-traveling valves seat, and the upward-traveling valves ball seat is enclosed on the upward-traveling valves seat；
The plunger enclosed valve assembly includes plunger closed cage, plunger enclosed valve ball and plunger enclosed valve seat, described
Plunger closed cage is connect with the plunger enclosed valve seat, and the plunger enclosed valve ball seat is enclosed on the plunger enclosed valve seat；
The hole passed through for oil gas is provided on the upper traveling valve cage and plunger closed cage；
The plunger enclosed valve assembly lower part connects the air trap that can open the plunger enclosed valve ball, the air trap packet
Air trap valve bonnet, floating plug and gas-tight valve seat are included, the air trap valve bonnet is connect with the gas-tight valve seat, the float trap
For core print seat on the gas-tight valve seat, the gas-tight valve base inner wall is equipped with multiple evenly distributed guide grooves, the floating plug
It floats up and down along guide groove, there are the gap passed through for oil gas, the gas-tights between the floating plug and the gas-tight valve seat
The inner wall of valve valve bonnet is equipped with the limited step moved up for limiting floating plug；
The lower part of the floating plug is semicircle ball cover, and multiple pawls, the pawl and the guiding are evenly equipped on semicircle ball cover
Slot cooperation, the semicircle ball cover top connect a upright bar, a cross bar are connect in the upright bar, the floating of the cross bar is by limited step
Limitation, the cross bar top connect a mandril, and the mandril is located at the plunger enclosed valve seat lower part side, the cross bar and limit
When step contacts, a side contacts of mandril top and the plunger enclosed valve ball simultaneously open plunger enclosed valve ball.
Further, the mandril is the wedge structure that top has tip.
Further, the mandril top is the globoidal structure tangent with plunger enclosed valve ball.
Further, the hole of the plunger closed cage is eccentric orfice.
Further, the pump barrel upper end is equipped with box cupling on the pump barrel connecting with oil pipe, and the pump barrel lower end is equipped with and consolidates
Determine box cupling under the pump barrel of valve assembly connection.
Further, the fixed valve assembly includes standing valve cover, fixed valve ball and fixed valve base, the standing valve cover
It is connect with the fixed valve base, the fixed valve ball is setting on the fixed valve base.
Further, the fixed valve assembly lower part is equipped with fixed valve base support joint.
Further, fixed valve base support joint lower part is equipped with the sub-coupling connecting with oil pipe.
Further, the floating plug material is light material.
Further, the plunger closed cage material is stainless steel, the plunger enclosed valve ball and plunger enclosed valve seat
Material uses hard alloy.
Further, the floating plug material is one of plastics, nylon, copper, aluminium and tin.
Further, the plunger enclosed valve ball and plunger enclosed valve seat material are titanium carbide, tungsten carbide and cobalt chromium tungsten
One of.
Further, the plunger enclosed valve ball material is titanium carbide, the plunger enclosed valve seat material tungsten carbide.
Compared with prior art, the utility model is set up defences air valve in plunger enclosed valve assembly lower part, can be with by air trap
Plunger enclosed valve ball is opened when work, to effectively reduce the occurrence frequency of gas lock；Meanwhile plunger closed cage uses stainless steel
Valve bonnet solves valve bonnet etching problem；Plunger enclosed valve ball material be titanium carbide, plunger enclosed valve seat material tungsten carbide, hardness and
Impact resistance is high, and valve ball and valve seat are able to achieve perfect sealing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the portion the utility model A cross-sectional view；
In figure: 1, pump barrel on box cupling, 2, upward-traveling valves assembly, 3, eccentric orfice, 5, plunger connector, 6, plunger, 7, plunger closes
Formula valve assembly, 8, air trap, 9, pump barrel, 10, box cupling under pump barrel, 11, fixed valve assembly, 12, fixed valve base support joint, 13,
Sub-coupling, 21, upper traveling valve cage, 22, upward-traveling valves ball, 23, upward-traveling valves seat, 71, plunger closed cage, 72, plunger closes
Formula valve ball, 73, plunger enclosed valve seat, 81, air trap valve bonnet, 82, floating plug, 83, gas-tight valve seat, 111, standing valve cover,
112, fixed valve ball, 113, fixed valve base, 811, limited step, 821, pawl, 822, upright bar, 823, cross bar, 824, mandril, 831,
Guide groove, 832, gap.
Specific embodiment
Here is that the present invention will be further described in conjunction with the accompanying drawings and embodiments.
Embodiment 1
Referring to Fig.1, a kind of airlock-resistant oil pump, including box cupling 1, pump barrel 9, upward-traveling valves assembly 2, plunger 6, plunger on pump barrel
Enclosed valve assembly 7, fixed valve assembly 11, plunger enclosed valve assembly 7 include plunger closed cage 71, plunger enclosed valve ball 72, column
Enclosed valve seat 73 is filled in, fixed valve assembly 11 includes standing valve cover 111, fixed valve ball 112, fixed valve base 113, upper traveling valve cage
22, it is provided with the hole passed through for oil gas on plunger closed cage 71 and standing valve cover 111, the hole on plunger closed cage 71 is
Eccentric orfice 3；9 upper end of pump barrel is threadedly coupled with box cupling 1 on pump barrel, and 9 lower end of pump barrel passes through box cupling 10 and fixed valve assembly under pump barrel
11 are threadedly coupled, and fixed valve assembly 11 is threadedly coupled by fixed valve base support joint 12 with sub-coupling 13, set in pump barrel 9
Move about valve assembly 2, wherein upward-traveling valves assembly 2 includes upper traveling valve cage 21, upward-traveling valves ball 22, upward-traveling valves seat 23, upstream
Dynamic valve bonnet 21 is threadedly coupled with plunger connector 5, and upward-traveling valves seat 23 is located at the upper surface of plunger connector 5.Plunger connector 5 with
Plunger 6 is threadedly coupled, and 6 lower part of plunger connects plunger enclosed valve assembly 7, and 7 lower part of plunger enclosed valve assembly connects and can open plunger and close
The air trap 8 of formula valve ball 72.Upward-traveling valves assembly 2, plunger 6, plunger enclosed valve assembly 7 and air trap 8 are sealingly disposed in pump
In cylinder 9, is driven by plunger 6 and moved up and down in pump barrel 9.
Referring to Fig. 1 and Fig. 2, air trap 8 includes air trap valve bonnet 81, floating plug 82 and gas-tight valve seat 83, air trap
Valve bonnet 81 is threadedly coupled with gas-tight valve seat 83, floating plug 82 on gas-tight valve seat 83, floating plug 82 can be along gas-tight valve seat
83 guide groove 831 floats up and down, and 81 inner wall of air trap valve bonnet is equipped with the limited step that limitation floating plug 82 floats upwards
811, there are the gap 832 passed through for oil gas between floating plug 82 and guide groove 831, the lower part of floating plug 82 is semi-round ball
It covers, multiple pawls 821 is evenly equipped on semicircle ball cover, each pawl 821 cooperates with guide groove 831, connects a upright bar at the top of semicircle ball cover
822, a cross bar 823 is connect in upright bar 822, cross bar top connects a mandril 824, and mandril 824 is located at plunger enclosed valve seat lower part side,
With a side contacts of plunger enclosed valve ball.Mandril 824 is wedge structure, the top of wedge structure be it is pointed, can be with by tip
It is opened from 72 side of plunger enclosed valve ball, to open plunger enclosed valve assembly 7, releases gas lock.
The material of floating plug 82 is one of plastics, nylon, copper, aluminium and tin.
Plunger enclosed valve ball 72 and 73 material of plunger enclosed valve seat are one of titanium carbide, tungsten carbide and cobalt chromium tungsten.
Embodiment 2
On the basis of embodiment 1,824 tip of mandril of floating plug 82 can be tangent with plunger enclosed valve ball 72
Cambered surface, such design can reduce impact injury to plunger enclosed valve ball 72.
Working principle: when plunger downlink, the gas between plunger enclosed valve assembly 7 and fixed valve assembly 11 is compressed, generates
Push the power of 8 floating plug 82 of air trap up, guide groove 831 uplink of the floating plug 82 along gas-tight valve seat 83, upper part
The tip of mandril 824 opens plunger enclosed valve ball 72 from side from plunger enclosed valve seat 73, to complete plunger enclosed valve
The opening of ball 72, eccentric orfice 3 of the gas on plunger closed cage 71 is discharged after plunger enclosed valve ball 72 is opened, and gas lock releases,
Fixed valve ball 12 and plunger enclosed valve ball 72 are normally opened, and oil well is normally fuel-displaced.When oil well pump drain, it is discharged along eccentric orfice 3
Gas is extracted outside pump together with oil.
The utility model is not limited to above-mentioned embodiment, within the knowledge of those skilled in the art,
The present invention can also be realized without departing from the purpose of the present invention. Make a variety of changes, and the content after variation still falls within the utility model
Protection scope.
Claims (10)
1. a kind of airlock-resistant oil pump, which is characterized in that include pump barrel, the pump barrel inner cavity is connected with upstream in turn from top to bottom
Dynamic valve assembly, plunger connector, plunger and plunger enclosed valve assembly；
The upward-traveling valves assembly includes upper traveling valve cage, upward-traveling valves ball and upward-traveling valves seat, the upper traveling valve cage with
The upward-traveling valves seat connection, the upward-traveling valves ball seat are enclosed on the upward-traveling valves seat；
The plunger enclosed valve assembly includes plunger closed cage, plunger enclosed valve ball and plunger enclosed valve seat, the plunger
Closed cage is connect with the plunger enclosed valve seat, and the plunger enclosed valve ball seat is enclosed on the plunger enclosed valve seat；
The hole passed through for oil gas is provided on the upper traveling valve cage and plunger closed cage；
The plunger enclosed valve assembly lower part connects the air trap that can open the plunger enclosed valve ball, and the air trap includes anti-
Air valve valve bonnet, floating plug and gas-tight valve seat, the air trap valve bonnet are connect with the gas-tight valve seat, the float trap core print seat
On the gas-tight valve seat, the gas-tight valve base inner wall is equipped with multiple evenly distributed guide grooves, and the floating plug edge is led
It floats up and down to slot, there are the gap passed through for oil gas, the air trap valves between the floating plug and the gas-tight valve seat
The inner wall of cover is equipped with the limited step moved up for limiting floating plug；
The lower part of the floating plug is semicircle ball cover, is evenly equipped with multiple pawls on semicircle ball cover, the pawl is matched with the guide groove
It closes, connects a upright bar at the top of the semicircle ball cover, connect a cross bar in the upright bar, the limit of the floating of the cross bar by limited step
System, the cross bar top connect a mandril, and the mandril is located at the plunger enclosed valve seat lower part side, the cross bar and limiting stand
When rank contacts, a side contacts of mandril top and the plunger enclosed valve ball simultaneously open plunger enclosed valve ball.
2. airlock-resistant oil pump according to claim 1, which is characterized in that the mandril is the wedge shape knot that top has tip
Structure.
3. airlock-resistant oil pump according to claim 1, which is characterized in that the mandril top is and plunger enclosed valve ball phase
The globoidal structure cut.
4. airlock-resistant oil pump according to claim 1 to 3, which is characterized in that the hole of the plunger closed cage
For eccentric orfice.
5. airlock-resistant oil pump according to claim 1, which is characterized in that the pump barrel upper end is equipped with the pump connecting with oil pipe
Box cupling on cylinder, the pump barrel lower end are equipped with box cupling under the pump barrel connecting with fixed valve assembly.
6. airlock-resistant oil pump according to claim 5, which is characterized in that the fixed valve assembly includes standing valve cover, consolidates
Determine valve ball and fixed valve base, the standing valve cover is connect with the fixed valve base, and the fixed valve ball is setting in the fixation
On valve seat.
7. airlock-resistant oil pump according to claim 5 or 6, which is characterized in that the fixed valve assembly lower part, which is equipped with, to be fixed
Valve seat support joint.
8. airlock-resistant oil pump according to claim 7, which is characterized in that fixed valve base support joint lower part be equipped with
The sub-coupling of oil pipe connection.
9. airlock-resistant oil pump according to claim 1, which is characterized in that the floating plug material is light material.
10. airlock-resistant oil pump according to claim 1, which is characterized in that the plunger closed cage material is stainless steel,
The plunger enclosed valve ball and plunger enclosed valve seat material use hard alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972878.1U CN209370028U (en) | 2018-11-28 | 2018-11-28 | A kind of airlock-resistant oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972878.1U CN209370028U (en) | 2018-11-28 | 2018-11-28 | A kind of airlock-resistant oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370028U true CN209370028U (en) | 2019-09-10 |
Family
ID=67834326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821972878.1U Active CN209370028U (en) | 2018-11-28 | 2018-11-28 | A kind of airlock-resistant oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370028U (en) |
-
2018
- 2018-11-28 CN CN201821972878.1U patent/CN209370028U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210121 Address after: No.171 Fenhe Road, Dongying District, Dongying City, Shandong Province 257091 Patentee after: Shandong Plateau oil and gas equipment Co.,Ltd. Address before: 257091 82 Fuqian street, Dongying District, Dongying City, Shandong Province Patentee before: SHENGLI OILFIELD HIGHLAND PETROLEUM EQUIPMENT Co.,Ltd. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Bingli Inventor after: Shi Jianbin Inventor after: Wu Fuquan Inventor after: Zhou Wenhan Inventor before: Zhou Hongbin Inventor before: Li Bingli Inventor before: He Bin Inventor before: Shi Jianbin Inventor before: Wu Fuquan Inventor before: Zhou Wenhan |