CN1163353A - Highefficiency reciprocating oil pump - Google Patents
Highefficiency reciprocating oil pump Download PDFInfo
- Publication number
- CN1163353A CN1163353A CN 96103692 CN96103692A CN1163353A CN 1163353 A CN1163353 A CN 1163353A CN 96103692 CN96103692 CN 96103692 CN 96103692 A CN96103692 A CN 96103692A CN 1163353 A CN1163353 A CN 1163353A
- Authority
- CN
- China
- Prior art keywords
- plunger
- valve
- pump
- oil
- opened
- 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.)
- Pending
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- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The said pump consists of five parts of upper valve, plunger, middle valve, lower valve and pump cylinder. When the plunger ascends, the lower valve is opened, oil enters pump cylinder cavity, while oil flows from the side cavity to the inner cavity of plunger via the through holes and to pumping pipe via the opened upper valve. When the plunger descends, the lower valve is shut, the middle valve is opened, oil enters the plunger cavity, and then partial oil enters side cavity via through holes and the other partial oil enters the pumping pipe via the opened upper valve. This circular course ensures that the said pump can pump oil in both ascending and descending strokes.
Description
The present invention relates to the efficient oil-well pump that the plunger up stroke down stroke of a kind of Highefficiency reciprocating oil pump, particularly a kind of oil well pump can both be pumped.
So at present the petroleum industry oil field recover the oil employed oil well pump be with sucker rod drive plunger pump in the oil well pump this kind device sucker rod when up the fuel-displaced low existing oil well pump of efficient of not pumping so pumping when descending need improve.
No matter the purpose of this invention is to provide a kind of efficient oil-well pump that a kind of sucker rod (plunger) up stroke or down stroke can both be pumped.
The present invention is that following mode is finished:
This pump is made up of last valve 1, plunger 4, middle valve 6, following valve 7 and pump barrel 3 five parts, when plunger 4 up valves at present 7 crude oil that is opened enters, in the pump barrel chamber, at this moment then the crude oil in the chamber 2 enters plunger 4 inner chambers and opens valve 1 by one or several open-works 5 and enters in the oil pick-up tube, when descent of piston at present valve 7 close and open valve 6 crude oil and enter plunger 4 inner chambers, wherein a part of crude oil enters then chamber 2 another part by open-work 5 and then opens valve 1 and enter that Zhou Erfu is counter in the oil pick-up tube guarantees that the up stroke down stroke of plunger 4 can both be fuel-displaced like this.
Good effect of the present invention is that the upper and lower stroke that guarantees sucker rod can both be pumped and improved the efficient of oil pumping greatly.
Below in conjunction with accompanying drawing the present invention is described in further detail;
Accompanying drawing is a principle of the invention half-sectional view.
The present invention is by plunger 4, last valve 1, middle valve 6, following valve 7, pump barrel 3 five parts are formed, wherein plunger 4 middle parts are shaped on one or several open-works 5: on the while plunger 4, the bottom is slidingly matched with the inner wall sealing of pump barrel respectively, form then chamber 2 like this, when plunger 4 up valves at present 7 are opened, valve 6 is closed in when crude oil enters in the pump barrel chamber, then the crude oil in the chamber 2 enters the inner chamber of plunger by open-work 5, and open valve 1 and enter in the oil pick-up tube, when plunger is descending, following valve 7 is closed, middle valve 6 is opened, the inner chamber that crude oil enters plunger 4 a wherein part enters then chamber 2 by open-work 5, another part is opened valve 1, enters in the oil pick-up tube, no matter the up stroke of plunger or down stroke all has crude oil to enter in the oil pick-up tube like this.
Claims (1)
1. a Highefficiency reciprocating oil pump is by last valve 1, middle valve 6, valve 7 plungers 4 and pump barrel 3 five parts are formed and be it is characterized in that down:
A. one of the appropriate location system at the middle part of plunger or several open-works 5
B. the bottom of plunger 4 and pump barrel 3 interior then be sealed sliding movingly
C. the top of plunger 4 and pump barrel interior then be sealed sliding movingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96103692 CN1163353A (en) | 1996-04-22 | 1996-04-22 | Highefficiency reciprocating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96103692 CN1163353A (en) | 1996-04-22 | 1996-04-22 | Highefficiency reciprocating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1163353A true CN1163353A (en) | 1997-10-29 |
Family
ID=5118157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96103692 Pending CN1163353A (en) | 1996-04-22 | 1996-04-22 | Highefficiency reciprocating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1163353A (en) |
-
1996
- 1996-04-22 CN CN 96103692 patent/CN1163353A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |