CN204371646U - Conical valve fixing valve - Google Patents
Conical valve fixing valve Download PDFInfo
- Publication number
- CN204371646U CN204371646U CN201420771440.2U CN201420771440U CN204371646U CN 204371646 U CN204371646 U CN 204371646U CN 201420771440 U CN201420771440 U CN 201420771440U CN 204371646 U CN204371646 U CN 204371646U
- Authority
- CN
- China
- Prior art keywords
- cylindrical shell
- valve
- rod
- taper valve
- taper
- 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.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 3
- 239000003129 oil well Substances 0.000 abstract description 7
- 238000007689 inspection Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002153 concerted effect Effects 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model relates to a conical fixed valve, which comprises a first cylinder, a second cylinder and a third cylinder which are connected in sequence, wherein one end of the second cylinder is connected with the first cylinder, and the other end is connected with the third cylinder; the end surface of the other end of the second cylinder body is a first stop surface, and a conical valve seat is arranged inside the first stop surface; a conical valve rod is arranged in an inner cavity formed by connecting the first barrel, the second barrel and the third barrel and comprises a first rod body and a second rod body which are connected with each other, and a conical shoulder matched with the conical valve seat is arranged on the first rod body; the end part of the second rod body, which is far away from the first rod body, is fixedly sleeved with a first baffle plate, and a spring sleeved on the second rod body is abutted between the first stop surface and the first baffle plate. The valve effectively reduces the puncture of the matching end face, ensures the stable yield of an oil well, prolongs the service cycle of the fixed valve, reduces the cost input of pump inspection and well repair, has strong applicability, and can be widely popularized and used.
Description
Technical field
The utility model relates to field of oilfield exploitation, particularly relates to a kind of taper valve standing valve.
Background technique
At present in oil extraction process, rod pump exploitation is major way.In rod pump recover petroleum process, the valve being contained in the control oil-feed of oil pump sleeve lower end is called standing valve.The inside of the standing valve adopted in prior art is generally spherical valve and spherical valve seat, utilizes spherical valve to coordinate to be formed with the chamfering edged surface of spherical valve seat and seal, realizes oil-feed controlling functions.In process of production, especially in pumping well, sand output well recovery process, under the effect of high-voltage oil liquid, oil reservoir silt particle enters in standing valve with fluid, cause loosening between spherical valve and spherical valve seat, accumulate over a long period and just there will be serious thorn leakage problem, cause oil well output to decline rapidly, have a strong impact on the exploitation benefit in oil field; The appearance of thorn leakage problem causes oil well pump pump detection period to shorten, and the well workover frequency of doing over again increases, and Productive statistics expense significantly increases.It is to be noted that spherical valve standing valve as above controls because the location that cannot realize spherical valve causes completing oil-feed in horizontal well and high angle hole, applicable working condition scope is narrower simultaneously.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of taper valve standing valve, to overcome the defect of prior art.
Model utility content
The purpose of this utility model is to provide a kind of taper valve standing valve, the thorn that this taper valve standing valve effectively reduces counterface leaks, ensure that oil well output is stablized, extend the life cycle of standing valve thus reduce the cost input examining pump well workover, and this taper valve standing valve applicability is strong, can extensively be promoted the use of.
The purpose of this utility model realizes like this, described taper valve standing valve includes both ends open and the first cylindrical shell, the second cylindrical shell and the 3rd cylindrical shell that connect successively, it is characterized in that: in one end of described second cylindrical shell, be connected to the first cylindrical shell, the 3rd cylindrical shell is connected in the other end, the end face of the described second cylindrical shell the other end is the first stop surface, the taper valve seat of described second inner barrel is provided with that Open Side Down convergent;
Taper valve bar is provided with in the inner chamber that described first cylindrical shell, the second cylindrical shell and the 3rd cylindrical shell are connected to form, described taper valve bar includes interconnective first body of rod and second body of rod, described first body of rod is positioned at above described taper valve seat, and described second body of rod is through the second cylindrical shell and extend to the 3rd inner barrel; Described first body of rod is provided with the tapered shoulders mated with described taper valve seat; Described second body of rod is arranged with the first baffle plate away from the end winding support of first body of rod, against there being the spring be sheathed on described second body of rod between described first stop surface and the first baffle plate.
In a better embodiment of the present utility model, described first baffle plate is provided with first fluid passing hole.
In a better embodiment of the present utility model, described second body of rod is arranged with the second baffle that can move axially; Described second baffle backstop, below described first stop surface, leans with described spring top; The gabarit radial dimension of described second baffle is greater than the radial dimension of described first stop surface upper shed.
In a better embodiment of the present utility model, described second baffle is provided with second fluid passing hole.
In a better embodiment of the present utility model, described first body of rod is provided with the circular cone end face of top upwards convergent near the end of the first cylindrical shell.
In a better embodiment of the present utility model, the endoporus place that described second cylindrical shell is positioned at the first stop surface place is provided with first conical surface of opening upwards convergent.
In a better embodiment of the present utility model, described first baffle plate is threaded connection the end that fixed cover is located at described second body of rod.
From the above mentioned, taper valve standing valve of the present utility model utilizes coordinating of taper valve and taper valve seat, strengthens sealing area, and the thorn effectively reducing valve counterface leaks, extend the life cycle of standing valve thus reduce the cost input examining pump well workover, having ensured that oil well output is stablized; By the spring of taper valve lower end and the effect of baffle plate, the stable position of valve can be completed, all can normally work in high-angle wells and horizontal wells, effectively raise the applicability of taper valve standing valve, thus can extensively be promoted the use of.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be the utility model taper valve standing valve structural representation.
Embodiment
In order to there be understanding clearly to technical characteristics of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described.
As shown in Figure 1, taper valve standing valve 100 of the present utility model, include both ends open and the first cylindrical shell 1, second cylindrical shell 2 connected successively and the 3rd cylindrical shell 3, one end of second cylindrical shell 2 is by being connected to the first cylindrical shell 1 in screw thread, the other end of the second cylindrical shell 2 is by being connected to the 3rd cylindrical shell 3 in screw thread, the end face of second cylindrical shell 2 the other end is the taper valve seat 22 of the first stop surface 21, second cylindrical shell 2 inside convergent that is provided with that Open Side Down; In the present embodiment, the top of the first cylindrical shell 1 is connected to mechanical oil recovery pump barrel (not shown) by thread seal; 3rd cylindrical shell 3 bottom is connected to sand-proof pipe (not shown) or tail pipe (not shown) by thread seal.
Taper valve bar 4 is provided with in the inner chamber that described first cylindrical shell 1, second cylindrical shell 2 and the 3rd cylindrical shell 3 are connected to form, described taper valve bar 4 comprises interconnective first body of rod 41 and second body of rod 42, first body of rod 41 is positioned at above described taper valve seat 22, second body of rod 42 is through the second cylindrical shell 2 and to extend to the 3rd cylindrical shell 3 inner, described first body of rod 41 is provided with the tapered shoulders 411 mated with described taper valve seat 22, tapered shoulders 411 and the cone match of taper valve seat 22, realize the sealing of taper valve valve 100; Described second body of rod 42 is arranged with the first baffle plate 5 away from the end winding support of first body of rod 41, against there being the spring 6 be sheathed on described second body of rod 42 between described first stop surface 21 and the first baffle plate 5, in the present embodiment, the first baffle plate 5 is threaded connection the end that fixed cover is located at described second body of rod; Pass through for ease of fluid, the first baffle plate 5 is also provided with first fluid passing hole 51.Achieved the stable position of taper valve bar 4 by the first baffle plate 5 on second body of rod 42 and spring 6, even if in high angle hole or horizontal well, taper valve standing valve 100 still can carry out fuel-flow control.
From the above mentioned, taper valve standing valve of the present utility model utilizes coordinating of taper valve and taper valve seat, strengthens sealing area, and the thorn effectively reducing valve counterface leaks, extend the life cycle of standing valve thus reduce the cost input examining pump well workover, having ensured that oil well output is stablized; By the spring of taper valve lower end and the effect of baffle plate, the stable position of valve can be completed, all can normally work in high-angle wells and horizontal wells, effectively raise the applicability of taper valve standing valve, thus can extensively be promoted the use of.
Further, as shown in Figure 1, second body of rod 42 is arranged with the second baffle 7 that can move axially; Second baffle 7 backstop, below the first stop surface 21, leans with described spring 6 top; The gabarit radial dimension of second baffle 7 is greater than the radial dimension of (the other end of foregoing second cylindrical shell 2) opening on described first stop surface 21, passes through, second baffle 7 is also provided with second fluid passing hole 71 for ease of fluid.
In the present embodiment, as shown in Figure 1, first body of rod 41 is provided with the circular cone end face 412 of top upwards convergent near the end of the first cylindrical shell 1, circular cone end face 412 effectively reduces resistance when taper valve bar 4 moves towards the first cylindrical shell 1; As shown in Figure 1, first conical surface 23, first conical surface 23 that the endoporus place that the second cylindrical shell 2 is positioned at the first place of stop surface place 21 is provided with opening upwards convergent makes the fluid entering the second cylindrical shell 2 effectively cushion in end.
Taper valve standing valve of the present utility model operationally, first mechanical oil recovery pump barrel (not shown) is connected with the first cylindrical shell 1, sand-proof pipe (not shown) or tail pipe (not shown) are connected with the 3rd cylindrical shell 3, taper valve bar 4 is in the original state that tapered shoulders 411 is fitted with taper valve seat 22.During oil recovery, plunger in mechanical oil recovery pump barrel is twitched outer moving, taper valve bar 4 reduces towards the space internal pressure of the first cylindrical shell 1, when pressure be reduced to be less than the making a concerted effort of bottom liquid column pressure and spring 6 active force time, bottom fluid column is promoted taper valve bar 4 and moves and entered in pump barrel by the annular space formed between tapered shoulders 411 and taper valve seat 22.When moving in plunger is pressed into, taper valve bar 4 increases towards the space internal pressure of the first cylindrical shell 1, when pressure be increased to be greater than the making a concerted effort of bottom liquid column pressure and spring 6 active force time, taper valve bar 4 is pushed until tapered shoulders 411 and taper valve seat 22 conical surface fits stops afterwards.Afterwards, plunger is moved by outside twitch again, repeats above-mentioned work cycle.
From the above mentioned, taper valve standing valve of the present utility model utilizes coordinating of taper valve and taper valve seat, strengthens sealing area, and the thorn effectively reducing valve counterface leaks, extend the life cycle of standing valve thus reduce the cost input examining pump well workover, having ensured that oil well output is stablized; By the spring of taper valve lower end and the effect of baffle plate, the stable position of valve can be completed, all can normally work in high-angle wells and horizontal wells, effectively raise the applicability of taper valve standing valve, thus can extensively be promoted the use of.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (7)
1. a taper valve standing valve; Described taper valve standing valve includes both ends open and the first cylindrical shell, the second cylindrical shell and the 3rd cylindrical shell that connect successively, it is characterized in that: in one end of described second cylindrical shell, be connected to the first cylindrical shell, the 3rd cylindrical shell is connected in the other end, the end face of the described second cylindrical shell the other end is the first stop surface, the taper valve seat of described second inner barrel is provided with that Open Side Down convergent;
Taper valve bar is provided with in the inner chamber that described first cylindrical shell, the second cylindrical shell and the 3rd cylindrical shell are connected to form, described taper valve bar includes interconnective first body of rod and second body of rod, described first body of rod is positioned at above described taper valve seat, and described second body of rod is through the second cylindrical shell and extend to the 3rd inner barrel; Described first body of rod is provided with the tapered shoulders mated with described taper valve seat; Described second body of rod is arranged with the first baffle plate away from the end winding support of first body of rod, against there being the spring be sheathed on described second body of rod between described first stop surface and the first baffle plate.
2. taper valve standing valve as claimed in claim 1, is characterized in that: described first baffle plate is provided with first fluid passing hole.
3. taper valve standing valve as claimed in claim 1, is characterized in that: described second body of rod is arranged with the second baffle that can move axially; Described second baffle backstop, below described first stop surface, leans with described spring top; The gabarit radial dimension of described second baffle is greater than the radial dimension of described first stop surface upper shed.
4. taper valve standing valve as claimed in claim 3, is characterized in that: described second baffle is provided with second fluid passing hole.
5. taper valve standing valve as claimed in claim 1, is characterized in that: described first body of rod is provided with the circular cone end face of top upwards convergent near the end of the first cylindrical shell.
6. taper valve standing valve as claimed in claim 1, is characterized in that: the endoporus place that described second cylindrical shell is positioned at the first stop surface place is provided with first conical surface of opening upwards convergent.
7. taper valve standing valve as claimed in claim 1, is characterized in that: described first baffle plate is threaded connection the end that fixed cover is located at described second body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771440.2U CN204371646U (en) | 2014-12-09 | 2014-12-09 | Conical valve fixing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771440.2U CN204371646U (en) | 2014-12-09 | 2014-12-09 | Conical valve fixing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371646U true CN204371646U (en) | 2015-06-03 |
Family
ID=53327871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420771440.2U Expired - Fee Related CN204371646U (en) | 2014-12-09 | 2014-12-09 | Conical valve fixing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204371646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118205A (en) * | 2018-02-06 | 2019-08-13 | 中国石油天然气股份有限公司 | Pump cylinder of hydraulic jet pump |
-
2014
- 2014-12-09 CN CN201420771440.2U patent/CN204371646U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118205A (en) * | 2018-02-06 | 2019-08-13 | 中国石油天然气股份有限公司 | Pump cylinder of hydraulic jet pump |
| CN110118205B (en) * | 2018-02-06 | 2021-08-03 | 中国石油天然气股份有限公司 | Pump cylinder of hydraulic jet pump |
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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: 20150603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |