CN209195678U - Valve seat of plunger pump - Google Patents
Valve seat of plunger pump Download PDFInfo
- Publication number
- CN209195678U CN209195678U CN201821599178.2U CN201821599178U CN209195678U CN 209195678 U CN209195678 U CN 209195678U CN 201821599178 U CN201821599178 U CN 201821599178U CN 209195678 U CN209195678 U CN 209195678U
- Authority
- CN
- China
- Prior art keywords
- hole
- plunger pump
- imbibition
- valve seat
- face
- 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.)
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- 238000005213 imbibition Methods 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 19
- 238000005086 pumping Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims 2
- 238000005299 abrasion Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a plunger pump disk seat belongs to oil water injection field. The plunger pump valve seat includes: the body, run through the body imbibition terminal surface and the first imbibition hole and the second imbibition hole of side, run through the body imbibition terminal surface and the first drainage port and the second drainage port of flowing back terminal surface, be located the fastening screw at body drainage terminal surface center. When in imbibition, the aperture of the first imbibition hole is smaller than that of the second imbibition hole, and the first imbibition hole and the second imbibition hole are uniformly arranged to ensure that the liquid flow state is matched with the size; when liquid is drained, the aperture of the first liquid drainage hole is smaller than that of the second liquid drainage hole, and the first liquid drainage hole and the second liquid drainage hole are uniformly arranged to enable the liquid flow state to be matched in size; therefore, the parallel state between the liquid suction valve plate or the liquid discharge valve plate and the plunger pump valve seat is prevented from offsetting, the matching of the liquid suction valve plate or the liquid discharge valve plate and the plunger pump valve seat tends to be opened and closed uniformly, the abrasion of the edge of the liquid suction hole and the edge of the liquid discharge hole is reduced, and the leakage rate of the plunger pump valve seat is reduced.
Description
Technical field
The utility model relates to petroleum to fill the water field, in particular to a kind of plunger pump valve seat.
Background technique
With the exploitation in oil field later period, produced-water reinjection demand increasingly increases, and the plunger pump valve seat in plunger pump pierces leak rate day
Benefit increases.Therefore, how to design what a kind of durable and efficient plunger pump valve seat was extremely paid close attention at petroleum water filling field people
Problem.
Plunger pump valve seat used at present includes: ontology, imbibing hole, drainage hole and seal groove.In plunger pump operational process
In, with the reciprocating motion of piston, the imbibition end face and drain side of the valve block and plunger pump valve seat that are connect in plunger pump with spring
Face constantly separates and is closed, and in imbibition process, drain valve block and plunger pump valve seat are closed, and liquid exists from imbibing hole outflow impact
Liquid sucting valve on piece separates imbibition valve block with plunger pump valve seat;In discharge opeing process, piston pushes imbibition valve block to transport to imbibition end face
It is dynamic, so that liquid is flowed into from the drainage hole of imbibition end face, from the outflow impact of the drainage hole of drain end face in tapping valve on piece, make to arrange
Liquid valve block is separated with plunger pump valve seat.With the orderly progress of imbibition and drain, produced-water reinjection is completed.
Inventor find the relevant technologies the prior art has at least the following problems:
Hydraulic shock leads to imbibition valve block or drain valve block and valve in the imbibition valve block or tapping valve on piece that connect with spring
Parastate between seat shifts, and imbibition valve block or drain valve block and valve seat distance become remote side imbibing hole or drainage hole
Flow stream velocity is fast, causes the imbibition bore edges of imbibition end face or the drainage hole edge abrasion of drain end face, so that valve seat pierces leak rate
It increases.
Utility model content
The utility model embodiment provides a kind of plunger pump valve seat, and to solve the relevant technologies valve seat thorn, leak rate is raised asks
Topic.The technical solution is as follows:
The utility model embodiment provides a kind of plunger pump valve seat, and the plunger pump valve seat includes: ontology, the first imbibition
Hole, the second imbibing hole, the first drainage hole, the second drainage hole and fastening screw hole;
First imbibing hole and second imbibing hole orderly replace imbibition end that is evenly distributed and running through the ontology
Face and side, first drainage hole and the second drainage hole orderly replace it is evenly distributed and through the ontology imbibition end face and
Drain end face, the fastening screw hole are located at the drain end face center of the ontology;
Wherein, the imbibition end face is the end face connecting with imbibition valve block, and the drain end face is to connect with drain valve block
End face;
The aperture of first imbibing hole is less than the aperture of second imbibing hole, and the aperture of first drainage hole is less than
The aperture of second drainage hole.
Optionally, first imbibing hole is consistent with the quantity of second imbibing hole and is all the first preset value.
Optionally, first drainage hole is consistent with the quantity of second drainage hole and is all the second preset value.
Optionally, the fastening screw hole is threadedly coupled with pumping equipment.
Optionally, the plunger pump valve seat further include: the first sealed groove and the first sealing ring;
First sealed groove is located at the ontology imbibition end face edge and side intersection, first sealing ring position
In in first sealed groove.
Optionally, the plunger pump valve seat further include: the second sealed groove and the second sealing ring;
Second sealed groove is located at the circle that the first drainage hole and the second drainage hole are constituted on ontology drain end face
The periphery of ring, second sealing ring are located in second sealed groove.
Technical solution bring beneficial effect provided by the embodiment of the utility model includes at least:
Orderly replaced by the first imbibing hole with the second imbibing hole evenly distributed, and the aperture of the first imbibing hole is less than second
The aperture of imbibing hole, during imbibition, the first imbibing hole and the second imbibing hole liquid-flow state size cooperate, so that liquid sucting valve
Piece and imbibition end face keeping parallelism;Orderly replace with the second drainage hole evenly distributed, and the first drainage hole by the first drainage hole
Aperture less than the aperture of the second drainage hole, in discharge opeing process, the first drainage hole is matched with the second drainage hole liquid-flow state size
It closes, so that drain valve block and drain end face keeping parallelism;Effectively prevent imbibition valve block or drain valve block and plunger pump valve seat it
Between parastate shift, make the cooperation of imbibition valve block and drain valve block and plunger pump valve seat tend to uniformly open and close, reduce
The imbibition bore edges of imbibition end face and the drainage hole edge abrasion of drain end face reduce plunger pump valve seat thorn leak rate.
Detailed description of the invention
Fig. 1 is plunger pump valve seat top view provided by the embodiment of the utility model;
Fig. 2 is plunger pump valve seat top view provided by the embodiment of the utility model;
Fig. 3 is plunger pump valve seat bottom view provided by the embodiment of the utility model;
Fig. 4 is plunger pump valve seat cross-sectional view provided by the embodiment of the utility model.
Wherein, each label in attached drawing is described below:
1 ontology, 2 first imbibing holes, 3 second imbibing holes, 4 first drainage holes, 5 second drainage holes, 6 fastening screw holes, 7 first
Sealed groove, 8 first sealing rings, 9 second sealed grooves, 10 second sealing rings.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Referring to Fig. 1, the utility model embodiment provides a kind of plunger pump valve seat, the plunger pump valve seat include: ontology 1,
First imbibing hole 2, the second imbibing hole 3, the first drainage hole 4, the second drainage hole 5 and fastening screw hole 6;
First imbibing hole 2 and the second imbibing hole 3 orderly replace imbibition end face and side evenly distributed and that run through ontology 1,
First drainage hole 4 and the second drainage hole 5 orderly replace imbibition end face and drain end face evenly distributed and that run through ontology 1, fastening
Screw hole 6 is located at the drain end face center of ontology 1;
Wherein, imbibition end face is the end face connecting with imbibition valve block, and drain end face is the end face connecting with drain valve block;
The aperture of first imbibing hole 2 is less than the aperture of the second imbibing hole 3, and the aperture of the first drainage hole 4 is less than the second drain
The aperture in hole 5.
Optionally, the first imbibing hole 2 and the second imbibing hole 3 run through the imbibition end face and side of ontology 1, the first imbibing hole 2
One is uniformly alternately arranged into using the center of imbibition end face as the annulus in the center of circle in imbibition end face with the second imbibing hole 3, and first
Aperture of the aperture of imbibing hole 2 less than the second imbibing hole 3;First drainage hole 4 and the second drainage hole 5 run through the imbibition end of ontology 1
Face and drain end face, the first drainage hole 4 and the second drainage hole 5 are orderly evenly arranged into one in imbibition end face and drain end face
Using the center of drain end face as the annulus in the center of circle, and the aperture of the first drainage hole 4 is less than the aperture of the second drainage hole 5;Fasten spiral shell
Hole 6 is located at the drain end face center of ontology 1.
Technical solution bring beneficial effect provided by the embodiment of the utility model includes at least:
Orderly replaced by the first imbibing hole with the second imbibing hole evenly distributed, and the aperture of the first imbibing hole is less than second
The aperture of imbibing hole, during imbibition, the first imbibing hole and the second imbibing hole liquid-flow state size cooperate, so that liquid sucting valve
Piece and imbibition end face keeping parallelism;Orderly replace with the second drainage hole evenly distributed, and the first drainage hole by the first drainage hole
Aperture less than the second drainage hole aperture;In discharge opeing process, the first drainage hole is matched with the second drainage hole liquid-flow state size
It closes, so that drain valve block and drain end face keeping parallelism;Effectively prevent the parallel shape between drain valve block and plunger pump valve seat
State shifts, and makes the cooperation of imbibition valve block and tapping valve piece valve block and plunger pump valve seat tend to uniformly open and close, reduces imbibition
The imbibition bore edges of end face and the drainage hole edge abrasion of drain end face reduce plunger pump valve seat thorn leak rate.
In an alternative embodiment, the first imbibing hole 2 is consistent with the quantity of the second imbibing hole 3 and all default for first
Value, wherein the quantity of the first preset value can be 12 or 14, the utility model embodiment is not limited this.
In an alternative embodiment, the first drainage hole 4 is consistent with the quantity of the second drainage hole 5 and all default for second
Value, wherein the quantity of the second preset value can be 12 or 14, the utility model embodiment is not limited this.
It should be noted that the first preset value and the second preset value may be the same or different, according to the actual situation and
It is fixed.
In an alternative embodiment, fastening screw hole 6 is threadedly coupled with pumping equipment.
Optionally, fastening 6 inner wall of screw hole is provided with internal screw thread, and pumping equipment connect outer wall setting in one end with plunger pump valve seat
There is external screw thread, fastens screw hole 6 and pumping equipment is detachably connected by screw thread.Wherein, fastening 6 inner wall of screw hole can be set to outer
Screw thread, pumping equipment connect one end outer wall with plunger pump valve seat and are set as internal screw thread, and the utility model embodiment is not subject to this
Limitation.
Referring to fig. 2, in an alternative embodiment, plunger pump valve seat further include: the first sealed groove 7 and the first sealing ring
8。
First sealed groove 7 is located at 1 imbibition end face edge of ontology and side intersection, and it is close that the first sealing ring 8 is located at first
It seals in groove 7.
Optionally, the first sealing ring 8 is sealing rubber ring, to improve the leakproofness between plunger pump valve seat and plunger pump.
Referring to Fig. 3 or Fig. 4, in an alternative embodiment, plunger pump valve seat further include: the second sealed groove 9 and second
Sealing ring 10;
Second sealed groove 9 is located at the annulus that the first drainage hole 4 and the second drainage hole 5 are constituted on 1 drain end face of ontology
Periphery, the second sealing ring 10 are located in the second sealed groove 9.
Optionally, the second sealing ring 10 is sealing rubber ring, close between plunger pump valve seat and plunger pump to further increase
Feng Xing.
Technical solution bring beneficial effect provided by the embodiment of the utility model includes at least:
Orderly replaced by the first imbibing hole with the second imbibing hole evenly distributed, and the aperture of the first imbibing hole is less than second
The aperture of imbibing hole, during imbibition, the first imbibing hole and the second imbibing hole liquid-flow state size cooperate, so that liquid sucting valve
Piece and imbibition end face keeping parallelism;Orderly replace with the second drainage hole evenly distributed, and the first drainage hole by the first drainage hole
Aperture less than the aperture of the second drainage hole, in discharge opeing process, the first drainage hole is matched with the second drainage hole liquid-flow state size
It closes, so that drain valve block and drain end face keeping parallelism;Effectively prevent imbibition valve block or drain valve block and plunger pump valve seat it
Between parastate shift, make the cooperation of imbibition valve block and drain valve block and plunger pump valve seat tend to uniformly open and close, reduce
The imbibition bore edges of imbibition end face and the drainage hole edge abrasion of drain end face reduce plunger pump valve seat thorn leak rate, extend
The service life of plunger pump valve seat.Pass through the sealant in the sealing rubber ring and the second sealed groove in the first sealed groove
Circle, improves the leakproofness between plunger pump valve seat and plunger pump.
All the above alternatives can form the alternative embodiment of the disclosure, herein no longer using any combination
It repeats one by one.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, all in the utility model
Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model
Within enclosing.
Claims (6)
1. a kind of plunger pump valve seat, which is characterized in that the plunger pump valve seat includes: ontology (1), the first imbibing hole (2), second
Imbibing hole (3), the first drainage hole (4), the second drainage hole (5) and fastening screw hole (6);
First imbibing hole (2) and second imbibing hole (3) orderly replace suction that is evenly distributed and running through the ontology (1)
Liquid end face and side, first drainage hole (4) and second drainage hole (5) orderly replace evenly distributed and run through described
The imbibition end face and drain end face of body (1), fastening screw hole (6) are located at the drain end face center of the ontology (1);
Wherein, the imbibition end face is the end face connecting with imbibition valve block, and the drain end face is the end connecting with drain valve block
Face;
The aperture of first imbibing hole (2) is less than the aperture of second imbibing hole (3), the hole of first drainage hole (4)
Diameter is less than the aperture of second drainage hole (5).
2. plunger pump valve seat according to claim 1, which is characterized in that first imbibing hole (2) and described second is inhaled
The quantity of fluid apertures (3) is consistent and is all the first preset value.
3. plunger pump valve seat according to claim 1, which is characterized in that first drainage hole (4) and the second row
The quantity of fluid apertures (5) is consistent and is all the second preset value.
4. plunger pump valve seat according to claim 1, which is characterized in that the fastening screw hole (6) and pumping equipment screw thread
Connection.
5. plunger pump valve seat according to claim 1 to 4, which is characterized in that the plunger pump valve seat further include: the
One sealed groove (7) and the first sealing ring (8);
First sealed groove (7) is located at the ontology (1) imbibition end face edge and side intersection, first sealing ring
(8) it is located in first sealed groove (7).
6. plunger pump valve seat according to claim 1 to 4, which is characterized in that the plunger pump valve seat further include: the
Two sealed grooves (9) and the second sealing ring (10);
Second sealed groove (9) is located at the first drainage hole (4) and the second drainage hole (5) on the ontology (1) drain end face
The periphery of the annulus of composition, second sealing ring (10) are located in second sealed groove (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821599178.2U CN209195678U (en) | 2018-09-28 | 2018-09-28 | Valve seat of plunger pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821599178.2U CN209195678U (en) | 2018-09-28 | 2018-09-28 | Valve seat of plunger pump |
Publications (1)
Publication Number | Publication Date |
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CN209195678U true CN209195678U (en) | 2019-08-02 |
Family
ID=67407000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821599178.2U Active CN209195678U (en) | 2018-09-28 | 2018-09-28 | Valve seat of plunger pump |
Country Status (1)
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CN (1) | CN209195678U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113513459A (en) * | 2021-04-19 | 2021-10-19 | 中国石油天然气股份有限公司 | Opening and closing device for hydraulic end of plunger pump |
-
2018
- 2018-09-28 CN CN201821599178.2U patent/CN209195678U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113513459A (en) * | 2021-04-19 | 2021-10-19 | 中国石油天然气股份有限公司 | Opening and closing device for hydraulic end of plunger pump |
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