CN206562986U - A kind of high pressure resistant oil-immersed pump - Google Patents
A kind of high pressure resistant oil-immersed pump Download PDFInfo
- Publication number
- CN206562986U CN206562986U CN201720231941.5U CN201720231941U CN206562986U CN 206562986 U CN206562986 U CN 206562986U CN 201720231941 U CN201720231941 U CN 201720231941U CN 206562986 U CN206562986 U CN 206562986U
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- CN
- China
- Prior art keywords
- pump
- pump head
- pump case
- annular groove
- head
- 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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Links
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000002708 enhancing Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of high pressure resistant oil-immersed pump, including upper pump head, lower pump head and pump case, the pump case upper end is socketed in the upper pump head, and the pump case lower end is socketed in the lower pump head.The utility model causes lower pump head to coat pump case two ends, limitation pump case deformation, it is to avoid the sealing between pump case two ends dilatancy and enhancing pump head and pump case.
Description
Technical field
The utility model is related to a kind of oil-immersed pump, more particularly to a kind of high pressure resistant oil-immersed pump.
Background technology
At present, with economic growth, Fossil fuel consumption increase, oil development is increasingly focused on the research and development of new technology and made
With.Oil-immersed pump is widely used as a kind of efficient oil production equipment in oil extraction system, the change of oil development technology, to latent
Oil pump it is also proposed new requirement.Wherein, part oil-immersed pump is installed in the higher system of medium source pressure, and oil-immersed pump is necessary
Satisfaction can bear the requirement of elevated pressures.Traditional oil-immersed pump includes upper pump head, lower pump head, pump case, leads shell, compression ring, lock
Tight ring and pump shaft assembly etc., are pressed in pump case, upper lower pump head quilt wherein leading shell, compression ring, retaining ring by upper pump head, lower pump head
It is wrapped in pump case, when pressure medium is higher in pump, medium flows from the gap in the lapping-in face between upper lower pump head and adjacent parts
Go out, flow to the spatia of pump case and upper lower pump head, when gap cavity pressure is sufficiently large, pump case two ends dilatancy, pump head with
Sealing ring failure between pump case, medium is revealed.
The content of the invention
The utility model technical problem present in solution known technology provides one kind and avoids the expansion change of pump case two ends
Sealed high pressure resistant oil-immersed pump between shape and enhancing pump head and pump case.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：It is a kind of high pressure resistant
Oil-immersed pump, including upper pump head, lower pump head and pump case, the pump case upper end are socketed in the upper pump head, the pump case lower end set
It is connected in the lower pump head.
The utility model can also be adopted the following technical scheme that：
The upper pump head and the lower pump head are threadedly coupled with the pump case respectively.
Outer surface of upper of the pump case at the position being socketed with the upper pump head is provided with more than one annular groove a, institute
State and sealing ring a is provided with annular groove a；Lower external face of the pump case at the position being socketed with the lower pump head is provided with one
Sealing ring b is provided with the above annular groove b, the annular groove b.
The sealing ring a and sealing ring b is rubber o-ring.
Upper inside surface of the upper pump head at the position being socketed with the pump case is provided with more than one annular groove c, institute
State and sealing ring c is provided with annular groove c；Lower inner surface of the lower pump head at the position being socketed with the pump case is provided with one
Sealing ring d is provided with the above annular groove d, the annular groove d.
The sealing ring c and sealing ring d is rubber o-ring.
The utility model has the advantages and positive effects of：The pump case upper end is socketed in the upper pump head, described
Pump case lower end is socketed in the lower pump head so that upper lower pump head cladding pump case two ends, limitation pump case deformation；In pump case and up and down
O-ring is set to seal between pump head, pump case is in the case that pressure is higher in pump, outwards expansion, and O-ring, which is pressurized, can strengthen sealing
Ability, improves bearing capacity of the pump case in the case of identical wall thickness, reduces disclosure risk.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1st, upper pump head；2nd, retaining ring；3rd, compression ring；4th, pump case；5th, shell is led；6th, pump shaft assembly；7th, lower pump head；8、
Sealing ring a；9th, sealing ring b.
Embodiment
For invention, features and effects of the present utility model can be further appreciated that, following examples are hereby enumerated, and coordinate
Accompanying drawing describes in detail as follows：
Refer to Fig. 1, a kind of high pressure resistant oil-immersed pump, including upper pump head 1, lower pump head 7 and pump case 4, it is characterised in that described
The upper end of pump case 4 is socketed in the upper pump head 1, and the lower end of pump case 4 is socketed in the lower pump head 7.The upper pump head 1 and institute
Stating lower pump head 7 can be threadedly coupled with the pump case 4 respectively.
The pump case 4 can be provided with more than one annular groove in the outer surface of upper at the position being socketed with the upper pump head 1
Sealing ring a8 is provided with a, the annular groove a；The pump case 4 can the position being socketed with the lower pump head 7 lower external
Face is interior provided with sealing ring b9 provided with more than one annular groove b, the annular groove b.The sealing ring a8 and the sealing ring
B9 can be rubber o-ring.
In addition, the upper pump head 1 can be provided with more than one annular in the upper inside surface at the position being socketed with the pump case 4
Sealing ring c is provided with groove c, the annular groove c；The lower pump head 7 can be in the bottom at the position being socketed with the pump case 4
Surface is interior provided with sealing ring d provided with more than one annular groove d, the annular groove d.The sealing ring c and sealing ring d
It can be rubber o-ring.
Operation principle of the present utility model：
The utility model includes upper pump head 1, lower pump head 7, pump case 4, leads shell 5, compression ring 3, retaining ring 2 and pump shaft assembly 6
Deng, wherein the retaining ring 2, compression ring 3 and lead shell 5 and be sequentially located in the pump case 4 under upper, and by upper pump head 1, under
Pump head 7 is pressed in pump case 4, and retaining ring 2 is locked for that will lead shell 5 with pump shaft assembly 6, and compression ring 3 is used for pump shaft assembly 6 with leading
Gap adjustment between shell 5, the upper pump head 1 and the lower pump head 7 can be threadedly coupled with the pump case 4 respectively, wherein the pump
The two ends of shell 4 are external screw thread draw bail, and the upper pump head 1, lower pump head 7 correspond to internal thread draw bail.The upper pump head 1,
Lower pump head 7 is respectively coated by the two ends of pump case 4, limits the compressive deformation of pump case 4.
The pump case 4 can be provided with more than one annular groove in the outer surface of upper at the position being socketed with the upper pump head 1
Sealing ring a8 is provided with a, the annular groove a；The pump case 4 can the position being socketed with the lower pump head 7 lower external
Face is interior provided with sealing ring b9 provided with more than one annular groove b, the annular groove b.The sealing ring a8 and the sealing ring
B9 uses rubber o-ring.
It can also adopt the following technical scheme that：I.e. described upper pump head 1 can be in the top at the position being socketed with the pump case 4
Surface is interior provided with sealing ring c provided with more than one annular groove c, the annular groove c；The lower pump head 7 can with the pump
The lower inner surface at the position that shell 4 is socketed is interior provided with sealing ring d provided with more than one annular groove d, the annular groove d.Institute
State sealing ring c and the sealing ring d uses rubber o-ring.
Both the above technical scheme is all formed between the inner surface of upper pump head 1, the inner surface of lower pump head 7 and the outer surface of pump case 4 and sealed
Connection.The pump case 4 is in by pump during pressure, and dilatancy can compress rubber o-ring between pump case 4 and upper lower pump head 7, enhancing
Pump case 4 and upper pump head 1, the sealing of lower pump head 7.
Embodiment described above is merely to illustrate technological thought of the present utility model and feature, and its object is to make ability
Technical staff in domain it will be appreciated that content of the present utility model and implement according to this, it is impossible to only limits this practicality with the present embodiment
New the scope of the claims, i.e., equal change or modification that the spirit disclosed in all the utility model is made still fall new in this practicality
In the scope of the claims of type.
Claims (6)
1. a kind of high pressure resistant oil-immersed pump, including upper pump head, lower pump head and pump case, it is characterised in that the pump case upper end is socketed in
In the upper pump head, the pump case lower end is socketed in the lower pump head.
2. high pressure resistant oil-immersed pump according to claim 1, it is characterised in that the upper pump head and the lower pump head respectively with
The pump case threaded connection.
3. high pressure resistant oil-immersed pump according to claim 1, it is characterised in that the pump case is being socketed with the upper pump head
The outer surface of upper at position is interior provided with sealing ring a provided with more than one annular groove a, the annular groove a；The pump case with
The lower external face at the position of the lower pump head socket is interior provided with sealing provided with more than one annular groove b, the annular groove b
Enclose b.
4. high pressure resistant oil-immersed pump according to claim 3, it is characterised in that the sealing ring a and sealing ring b is rubber
Glue O-ring.
5. high pressure resistant oil-immersed pump according to claim 1, it is characterised in that the upper pump head is being socketed with the pump case
The upper inside surface at position is interior provided with sealing ring c provided with more than one annular groove c, the annular groove c；The lower pump head exists
The lower inner surface at the position being socketed with the pump case is interior provided with sealing provided with more than one annular groove d, the annular groove d
Enclose d.
6. high pressure resistant oil-immersed pump according to claim 5, it is characterised in that the sealing ring c and sealing ring d is rubber
Glue O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231941.5U CN206562986U (en) | 2017-03-10 | 2017-03-10 | A kind of high pressure resistant oil-immersed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231941.5U CN206562986U (en) | 2017-03-10 | 2017-03-10 | A kind of high pressure resistant oil-immersed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206562986U true CN206562986U (en) | 2017-10-17 |
Family
ID=60032076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720231941.5U Active CN206562986U (en) | 2017-03-10 | 2017-03-10 | A kind of high pressure resistant oil-immersed pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206562986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837760A (en) * | 2017-03-10 | 2017-06-13 | 天津市百利溢通电泵有限公司 | A kind of high pressure resistant oil-immersed pump |
-
2017
- 2017-03-10 CN CN201720231941.5U patent/CN206562986U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837760A (en) * | 2017-03-10 | 2017-06-13 | 天津市百利溢通电泵有限公司 | A kind of high pressure resistant oil-immersed pump |
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