CN205592113U - Two two merit oil -well pumps of reciprocal balanced type - Google Patents
Two two merit oil -well pumps of reciprocal balanced type Download PDFInfo
- Publication number
- CN205592113U CN205592113U CN201620372613.2U CN201620372613U CN205592113U CN 205592113 U CN205592113 U CN 205592113U CN 201620372613 U CN201620372613 U CN 201620372613U CN 205592113 U CN205592113 U CN 205592113U
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- China
- Prior art keywords
- pump barrel
- plunger
- valve seat
- pump
- liquid
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- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a two two merit oil -well pumps of reciprocal balanced type, include the pump head that communicates with oil pipe, the pump head lower extreme is provided with outer pump barrel, is provided with out liquid disk seat, feed liquor disk seat in the outer pump barrel, it is provided with interior pump barrel to go out between liquid disk seat, the feed liquor disk seat, outer pump barrel free end internal diameter department is provided with the filtrate pipe, the filtrate pipe lower extreme is provided with the flange and connects, and reciprocating motion's plunger assembly passes the filtrate pipe in proper order in the pump barrel including, the flange connects the back and is connected the valve bonnet continuously. The utility model discloses a shape of interior pump barrel, plunger assembly and relation of connection have realized that prime mover reaches balanced purpose at the push -and -pull resistance that the in -process receives, and exocoel between interior pump barrel, the outer pump barrel is that cavity of resorption feed liquor valve, cavity of resorption play liquid valve provide sufficient installation and safeguard and guaranteed the reliability of operation in the space, the utility model discloses can effectual improvement flowing back efficiency and energy -conserving efficiency.
Description
Technical field
This utility model belongs to a kind of oil well pump, is specifically related to the double merit oil well pump of a kind of two reciprocal balanced types.
Background technology
At present, the reciprocating pair of merit oil well pump is the production facilities that domestic and international oil field is conventional, reciprocating pair of merit oil well pump excellent
Point is that oil well pump is driven by prime mover reciprocating sliding, and both direction has lifting well liquid function, lacking of reciprocating pair of merit oil well pump
Point is that the difference of ability of oil well pump both direction lifting well liquid is bigger.
Analyzing reciprocating pair of merit oil well pump from concrete structure, reciprocating pair of merit oil well pump is to be overlapped various sizes of plunger by two
With pump barrel composition, one end piston size is relatively big, and cross section is relatively big, and production fluid is more；The other end is by the bigger piston of same size
Combining with another size relatively valve piston, the difference of both cross sections is inevitable less, thus causes production fluid less.So that driving reciprocal
During prime mover of the double merit oil well pump of formula is to its push-pull operation, suffered resistance is the most uneven, pumps for electronic submergence type
Pump assembly can have a strong impact on discharge opeing effect and energy-saving effect.
Utility model content
This utility model is that the problem solving prior art existence proposes, and its objective is to provide a kind of two past multiple equilibrias
The double merit oil well pump of formula.
The technical solution of the utility model is: the double merit oil well pump of a kind of two reciprocal balanced types, including connect with oil pipe
Pump head, pump head lower end is provided with outer pump barrel, is provided with liquid valve seat, feed liquor valve seat, described liquid valve seat, liquid feed valve in outer pump barrel
Being provided with interior pump barrel between Zuo, described outer pump barrel free end inner radius is provided with filtrate pipe, and described filtrate pipe lower end is provided with method
Blue joint, the assembly for plunger moved back and forth in interior pump barrel sequentially pass through filtrate pipe, bump joint after with to be connected valve bonnet connected, institute
State interior pump barrel to include being fixed on the combination that the single pump barrel at liquid valve seat bottom assembling ladder fixes with feed liquor valve base center hole
Little pump barrel, and the single pump barrel of connection, combine the big pump barrel of combination of little pump barrel, described assembly for plunger include top single plunger,
Combine the big plunger of combination and the combination small plunger fixing with feed liquor valve base center hole, the described liquid valve of movement in big pump barrel
Seat lower surface, single pump barrel inwall, single plunger upper surface enclose formation epicoele, described combination big pump barrel inwall, combine under big plunger
End face, combine little pump barrel upper surface, combination small plunger outer wall enclose formation cavity of resorption, described liquid valve seat lower surface, feed liquor valve seat
Upper surface, outer pump barrel outer wall enclose formation exocoel, described liquid valve seat upper end be provided with can block epicoele inner core liquid valve and
Can block the urceolus liquid valve of exocoel, described feed liquor valve seat upper surface is provided with urceolus liquid feed valve, and described single plunger upper end is arranged
There is the check (non-return) valve that can block assembly for plunger axially extending bore, the chamber of described connection valve bonnet is provided with and can block the interior of bottom through-hole
Cylinder liquid feed valve, forms the liquid-through hole that exocoel connects with cavity of resorption in the big pump barrel of described combination, form filtrate in described filtrate pipe sidewall
Hole.
Described combination big plunger cross-sectional area is all higher than single plunger, the cross-sectional area of combination small plunger.
Described single plunger cross-sectional area should be slightly less than the difference of the cross-sectional area combining big plunger, combination small plunger.
Described combination big pump barrel internal diameter is all higher than single pump barrel, combines the internal diameter of little pump barrel.
Described liquid valve seat axial cross section is T-shaped.
Described pump head lower end is stepped, and the outer wall of described pump head is concordant with outer pump barrel outer wall.
Described filtrate pipe lower end fixes with the end difference of bump joint upper end.
Described combination small plunger, the connected mode connected between valve bonnet are threaded.
It is between described outer pump barrel and liquid valve seat, feed liquor valve seat and is tightly connected.
It is between described interior pump barrel and liquid valve seat, feed liquor valve seat and is tightly connected.
This utility model achieves prime mover in push-and-pull process by interior pump barrel, the shape of assembly for plunger and annexation thereof
In suffered resistance reach the purpose of balance, the exocoel between interior pump barrel, outer pump barrel is that cavity of resorption liquid feed valve, cavity of resorption liquid valve provide
Space is safeguarded in enough installations, it is ensured that reliability of operation, and this utility model can effectively improve discharge opeing efficiency and energy-conservation
Efficiency.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Wherein:
The 1 outer pump barrel of pump head 2
30 liquid valve seat 31 inner core liquid valves
Pump barrel in 32 urceolus liquid valves 40
41 single pump barrels 42 combine big pump barrel
43 combine little pump barrel 44 liquid-through hole
50 assembly for plunger 51 single plunger
52 combine big plunger 53 combines small plunger
54 check (non-return) valve 60 feed liquor valve seats
61 urceolus liquid feed valve 71 filtrate pipes
72 bump joints 80 connect valve bonnet
81 inner core liquid feed valve 91 epicoeles
92 cavity of resorption 93 exocoels.
Detailed description of the invention
Hereinafter, with embodiment, this utility model is described in detail referring to the drawings:
As it is shown in figure 1, the double merit oil well pump of a kind of two reciprocal balanced types, including the pump head 1 connected with oil pipe, pump head 1 time
End is provided with outer pump barrel 2, is provided with liquid valve seat 30, feed liquor valve seat 60, described liquid valve seat 30, feed liquor valve seat in outer pump barrel 2
Being provided with interior pump barrel 40 between 60, described outer pump barrel 2 free end inner radius is provided with filtrate pipe 71, and described filtrate pipe 71 lower end sets
It is equipped with bump joint 72, after the assembly for plunger 50 moved back and forth in interior pump barrel 40 sequentially passes through filtrate pipe 71, bump joint 72
Be connected with being connected valve bonnet 80, described interior pump barrel 40 include being fixed on the single pump barrel 41 at liquid valve seat 30 bottom assembling ladder and
The little pump barrel of combination 43 that feed liquor valve seat 60 centre bore fixes, and the single pump barrel 41 of connection, combine the big pump of combination of little pump barrel 43
Cylinder 42, described assembly for plunger 50 include top single plunger 51, combine movement in big pump barrel 42 the big plunger of combination 52 and
The combination small plunger 53 fixing with feed liquor valve seat 60 centre bore, described liquid valve seat 30 lower surface, single pump barrel 41 inwall, single plunger
51 upper surfaces enclose formation epicoele 91, described combination big pump barrel 42 inwall, combine big plunger 52 lower surface, combine on little pump barrel 43
End face, combination small plunger 53 outer wall enclose formation cavity of resorption 92, described liquid valve seat 30 lower surface, feed liquor valve seat 60 upper surface, outer
Pump barrel 2 outer wall encloses formation exocoel 93, and described liquid valve seat 30 upper end is provided with inner core liquid valve 31 He that can block epicoele 91
Can block the urceolus liquid valve 32 of exocoel 93, described feed liquor valve seat 60 upper surface is provided with urceolus liquid feed valve 61, described single plunger
51 upper ends are provided with the check (non-return) valve 54 that can block assembly for plunger 50 axially extending bore, and being provided with in the chamber of described connection valve bonnet 80 can
The inner core liquid feed valve 81 of closure bottom through-hole, forms the liquid-through hole that exocoel 93 connects with cavity of resorption 92 in the big pump barrel of described combination 42
44, described filtrate pipe 71 sidewall is formed filtrate hole.
Described combination big plunger 52 cross-sectional area is all higher than single plunger 51, the cross-sectional area of combination small plunger 53.
Described single plunger 51 cross-sectional area is the difference of the cross-sectional area combining big plunger 52, combination small plunger 53.
Described combination big pump barrel 42 internal diameter is all higher than single pump barrel 41, combines the internal diameter of little pump barrel 43.
Described liquid valve seat 30 axial cross section is T-shaped.
Described pump head 1 lower end is stepped, and the outer wall of described pump head 1 is concordant with outer pump barrel 2 outer wall.
Described filtrate pipe 71 lower end fixes with the end difference of bump joint 72 upper end.
Described combination small plunger 53, the connected mode connected between valve bonnet 80 are threaded.
It is between described outer pump barrel 2 and liquid valve seat 30, feed liquor valve seat 60 and is tightly connected.
It is between described interior pump barrel 40 and liquid valve seat 30, feed liquor valve seat 60 and is tightly connected.
Described connection valve bonnet 80 is driven by prime mover (not shown).Connect valve bonnet 80 and drive assembly for plunger 50, at interior pump barrel
Up and down reciprocatingly run in 40.
Work process of the present utility model is as follows:
Enter under the oil well pump of utility model, prime mover, oil pipe are connected in oil well, make epicoele 91, cavity of resorption 92, exocoel 93
It is completely filled with well liquid.
When assembly for plunger 50 by prime mover driven up time, check (non-return) valve 54 and urceolus liquid valve 32 close, inner core liquid valve
31 open, and the well liquid in epicoele 91 is extruded by single plunger 51, pass sequentially through inner core liquid valve 31 and pump head 1 gives rise in oil pipe,
Meanwhile, urceolus liquid feed valve 61 is opened, the well liquid in oil well casing be combined big plunger 52, combination small plunger 53 aspirate, by outward
Cylinder liquid feed valve 61, exocoel 93, liquid-through hole 44 enter and are full of in the cavity of resorption 92 that volume constantly expands.
When assembly for plunger 50 is driven descending by prime mover by connecting valve bonnet 80, urceolus liquid feed valve 61 and inner core liquid valve
31 close, and urceolus liquid valve 32 opens, and be combined big plunger 52, combination small plunger 53 of the well liquid of cavity of resorption 92 extrudes, by logical liquid
Hole 44, exocoel 93, exocoel liquid valve 32 and pump head 1 give rise to oil pipe；Inner core liquid feed valve 81, check (non-return) valve 54 are opened simultaneously, oil well
Well liquid in sleeve pipe is inhaled into by connection valve bonnet 80, inner core liquid feed valve 81, the endoporus of assembly for plunger 50 and is full of, and constantly expands
Epicoele 91.
Hereafter prime mover runs, and continuous reciprocating sliding assembly for plunger 50 repeats above-mentioned uplink and downlink process, and well liquid will the most not
Disconnected, given rise to ground by oil pipe.
The cross-sectional area making single plunger 51 in this utility model is slightly less than and combines the cross-sectional area of big plunger 52 and deduct combination
The difference of the cross-sectional area of small plunger 53, to single plunger 51, combine big plunger 52, combination small plunger 53 suitably mate, i.e. up to
The purpose of balance is reached to prime mover suffered resistance during push-and-pull.
Pump barrel 40 and two barrel structures of outer pump barrel 2 in this utility model, form one outside between pump barrel 2 and interior pump barrel 40
Individual exocoel 93, thus cavity of resorption liquid feed valve 61 and cavity of resorption liquid valve 32 can be made to have enough installing spaces, it is not only easy to make, and energy
Ensureing reliability of operation, its advantage merit pump double to small displacement is the most notable.
This utility model uses pump barrel to fix, the mode of plunger motion, and in like manner, this utility model can also use pump barrel to move
Mode dynamic, that plunger is fixing.Use the pump barrel of pump barrel, piston structure or simple deformation same in this utility model, plunger
Structure all should belong to protection domain of the present utility model.
This utility model achieves prime mover in push-and-pull process by interior pump barrel, the shape of assembly for plunger and annexation thereof
In suffered resistance reach the purpose of balance, the exocoel between interior pump barrel, outer pump barrel is that cavity of resorption liquid feed valve, cavity of resorption liquid valve provide
Space is safeguarded in enough installations, it is ensured that reliability of operation, and this utility model can effectively improve discharge opeing efficiency and energy-conservation
Efficiency.
Claims (10)
1. two double merit oil well pumps of reciprocal balanced type, including the pump head (1) connected with oil pipe, it is characterised in that: pump head (1)
Lower end is provided with outer pump barrel (2), is provided with liquid valve seat (30), feed liquor valve seat (60), described liquid valve seat in outer pump barrel (2)
(30), being provided with interior pump barrel (40) between feed liquor valve seat (60), described outer pump barrel (2) free end inner radius is provided with filtrate pipe
(71), described filtrate pipe (71) lower end is provided with bump joint (72), the assembly for plunger moved back and forth in interior pump barrel (40)
(50) sequentially pass through filtrate pipe (71), bump joint (72) afterwards be connected valve bonnet (80) and be connected, described interior pump barrel (40) includes solid
It is scheduled on the single pump barrel (41) at liquid valve seat (30) bottom assembling ladder little with the combination that feed liquor valve seat (60) centre bore fixes
Pump barrel (43), and the single pump barrel of connection (41), combine the big pump barrel of the combination (42) of little pump barrel (43), described assembly for plunger (50) wraps
Include the single plunger (51) on top, in combining big pump barrel (42) movement the big plunger of combination (52) and with feed liquor valve seat (60)
The combination small plunger (53) that centre bore is fixing, in described liquid valve seat (30) lower surface, single pump barrel (41) inwall, single plunger (51)
End face encloses formation epicoele (91), described combination big pump barrel (42) inwall, combines big plunger (52) lower surface, combines little pump barrel
(43) upper surface, combination small plunger (53) outer wall enclose formation cavity of resorption (92), described liquid valve seat (30) lower surface, feed liquor valve seat
(60) upper surface, outer pump barrel (2) outer wall enclose formation exocoel (93), and described liquid valve seat (30) upper end is provided with and can block epicoele
(91) inner core liquid valve (31) and can block the urceolus liquid valve (32) of exocoel (93), described feed liquor valve seat (60) upper surface sets
Being equipped with urceolus liquid feed valve (61), described single plunger (51) upper end is provided with the check (non-return) valve that can block assembly for plunger (50) axially extending bore
(54), being provided with the inner core liquid feed valve (81) that can block bottom through-hole in the chamber of described connection valve bonnet (80), described combination is big
Pump barrel (42) is formed the liquid-through hole (44) that exocoel (93) connects with cavity of resorption (92), described filtrate pipe (71) sidewall is formed filtrate
Hole.
The double merit oil well pump of a kind of two reciprocal balanced types the most according to claim 1, it is characterised in that: described combination huge pillar
Plug (52) cross-sectional area is all higher than single plunger (51), the cross-sectional area of combination small plunger (53).
The double merit oil well pump of a kind of two reciprocal balanced types the most according to claim 2, it is characterised in that: described single plunger
(51) cross-sectional area should be slightly less than the difference of the cross-sectional area combining big plunger (52), combination small plunger (53).
The double merit oil well pump of a kind of two reciprocal balanced types the most according to claim 1 and 2, it is characterised in that: described combination
Big pump barrel (42) internal diameter is all higher than single pump barrel (41), combines the internal diameter of little pump barrel (43).
The double merit oil well pump of a kind of two reciprocal balanced types the most according to claim 1, it is characterised in that: described liquid valve seat
(30) axial cross section is T-shaped.
The double merit oil well pump of a kind of two reciprocal balanced types the most according to claim 1, it is characterised in that: described pump head (1)
Lower end is stepped, and the outer wall of described pump head (1) is concordant with outer pump barrel (2) outer wall.
The double merit oil well pump of a kind of two reciprocal balanced types the most according to claim 1, it is characterised in that: described filtrate pipe
(71) lower end fixes with the end difference of bump joint (72) upper end.
The double merit oil well pump of a kind of two reciprocal balanced types the most according to claim 1, it is characterised in that: described combination pillar
Plug (53), the connected mode connected between valve bonnet (80) are threaded.
The double merit oil well pump of a kind of two reciprocal balanced types the most according to claim 1, it is characterised in that: described outer pump barrel
(2) and it is between liquid valve seat (30), feed liquor valve seat (60) and is tightly connected.
The double merit oil well pump of a kind of two reciprocal balanced types the most according to claim 1, it is characterised in that: described interior pump barrel
(40) and it is between liquid valve seat (30), feed liquor valve seat (60) and is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372613.2U CN205592113U (en) | 2016-04-28 | 2016-04-28 | Two two merit oil -well pumps of reciprocal balanced type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372613.2U CN205592113U (en) | 2016-04-28 | 2016-04-28 | Two two merit oil -well pumps of reciprocal balanced type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205592113U true CN205592113U (en) | 2016-09-21 |
Family
ID=56933207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620372613.2U Expired - Fee Related CN205592113U (en) | 2016-04-28 | 2016-04-28 | Two two merit oil -well pumps of reciprocal balanced type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205592113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736336A (en) * | 2016-04-28 | 2016-07-06 | 赵锡寰 | Two-barrel reciprocating balance type dual-action oil pump |
-
2016
- 2016-04-28 CN CN201620372613.2U patent/CN205592113U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736336A (en) * | 2016-04-28 | 2016-07-06 | 赵锡寰 | Two-barrel reciprocating balance type dual-action oil pump |
| CN105736336B (en) * | 2016-04-28 | 2017-09-12 | 赵锡寰 | The double work(oil well pumps of two reciprocal balanced types |
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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: 20160921 Termination date: 20190428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |