CN218542566U - Non-upper valve anti-breaking wear-resistant anti-corrosion pump - Google Patents
Non-upper valve anti-breaking wear-resistant anti-corrosion pump Download PDFInfo
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- CN218542566U CN218542566U CN202222305169.0U CN202222305169U CN218542566U CN 218542566 U CN218542566 U CN 218542566U CN 202222305169 U CN202222305169 U CN 202222305169U CN 218542566 U CN218542566 U CN 218542566U
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Abstract
The utility model provides a no upper valve prevents disconnected wear-resisting anticorrosive pump, relates to oil-well pump technical field, including the pump barrel, is equipped with wear-resisting anticorrosive coating on pump barrel inner wall and the outer wall, is equipped with the plunger along vertical slip on the pump barrel inner wall, and the lower tip of plunger is equipped with upper traveling valve and lower traveling valve by last to lower side by side, and the upper end of plunger is connected with the top connection, and the lower tip rigid coupling of the pump body has the standing valve. The utility model solves the problems that the upper traveling valve of the oil well pump in the traditional technology is connected with the lifting rod, and the oil outlet hole is needed to be arranged on the peripheral wall of the traveling valve, which affects the connection strength and causes the phenomenon of easy fracture in the process of repeated lifting; and the inner wall and the outer wall of the pump barrel are easy to corrode, so that the oil extraction efficiency is influenced.
Description
Technical Field
The utility model relates to an oil-well pump technical field, concretely relates to there is not valve of going up and prevents disconnected wear-resisting anticorrosive pump.
Background
At present, in low-permeability oil fields, along with large-area development of ultra-low-permeability blocks, the contradiction between low liquid production per well and large mismatching of pump discharge capacity is increasingly prominent. In recent years, along with the large popularization and use of small-pump-diameter whole-barrel oil-well pumps, the contradiction that the pump displacement is large and the single-well liquid production amount is low and unmatched is relieved to a certain extent, but the existing integral oil-well pump can pump impurities such as sand mixed in oil into the pump barrel together when pumping oil, so that the impurities such as sand enter the interlayer gap between the plunger and the pump barrel, and the abrasion degree of the pump barrel is increased.
The utility model discloses a patent that publication number is CN208950826U among the prior art, this scheme include the valve body, the valve body includes the pump barrel of vertical setting, be equipped with the top connection on the lateral wall of pump barrel upside, the pump barrel is hollow structure, and from the top down is equipped with two disk seats that move about in the pump barrel in proper order, and is equipped with the ball valve that moves about on the disk seat that moves about, be equipped with the lower clutch on the downside lateral wall of pump barrel, insert in the lower clutch and be equipped with the solid fixed valve seat, and be equipped with the solid fixed ball valve on the solid fixed valve seat, through the toper sand control cover of the vertical setting of fixing device fixedly connected with on the downside lateral wall of solid fixed valve seat, fixing device includes the slider of two symmetry settings on toper sand control cover outside lateral wall, be equipped with the relative spout of two openings on the inner wall of solid fixed valve seat, and still be equipped with the annular rotary groove on the inner wall of solid fixed valve seat.
The prior device gradually exposes the defects of the technology along with the use, and is mainly expressed in the following aspects:
first, the external traveling valve in both ends of the plunger in the current oil-well pump, upper portion traveling valve connect the shadoof, because need set up the oil outlet hole on the traveling valve perisporium, this just makes and has influenced joint strength for in the lift process that relapses, cracked phenomenon easily appears.
Secondly, because the existing pump barrel is soaked in oil, and because the oil contains impurities such as sand grains, the inner wall and the outer wall of the pump barrel are easy to corrode under the severe environment, and the oil extraction efficiency is affected.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model solves the problems that the upper traveling valve of the oil well pump in the traditional technology is connected with the lifting rod, and the circumferential wall of the traveling valve is required to be provided with the oil outlet hole, so that the connection strength is influenced, and the phenomenon of fracture is easy to occur in the repeated lifting process; and the inner wall and the outer wall of the pump barrel are easy to corrode, so that the oil extraction efficiency is influenced.
In order to solve the above problem, the utility model provides a following technical scheme:
the utility model provides a no upper valve prevents disconnected wear-resisting anticorrosive pump, includes the pump barrel, be equipped with wear-resisting anticorrosive coating on pump barrel inner wall and the outer wall, be equipped with the plunger along vertical slip on the pump barrel inner wall, the lower tip of plunger is equipped with upper traveling valve and downstream traveling valve by last to lower side by side, the upper end of plunger is connected with the top connection, the lower tip rigid coupling of pump barrel has the standing valve.
As an optimized scheme, the inner wall of the plunger is provided with a thread-shaped guide vane.
As an optimized scheme, the upper traveling valve comprises an upper gland and an upper valve plate which are arranged in parallel from top to bottom, and an upper valve ball is movably arranged between the upper gland and the upper valve plate.
As an optimized scheme, an upper oil inlet hole is formed in the center of the upper valve plate.
As an optimized scheme, a plurality of upper oil outlet holes are arranged on the upper edge of the upper gland in a surrounding mode.
As an optimized scheme, the lower traveling valve comprises a lower gland and a lower valve plate which are arranged in parallel from top to bottom, and a lower valve ball is movably arranged between the lower gland and the lower valve plate.
As an optimized scheme, a lower oil inlet hole is formed in the center of the lower valve plate.
As an optimized scheme, the lower pressure cover is provided with a lower oil outlet.
As an optimized scheme, the upper surface of the lower gland is propped against and fixedly connected with the lower surface of the lower valve plate.
As an optimized scheme, the wear-resistant anticorrosive layer is a tungsten alloy coating.
As an optimized scheme, the thickness of the tungsten alloy coating on the outer wall of the pump cylinder is 0.06-0.07mm.
As an optimized scheme, the thickness of the tungsten alloy coating on the inner wall of the pump cylinder is 0.06-0.08mm.
As an optimized scheme, the upper joint is provided with a plurality of top oil outlet holes along the center.
Compared with the prior art, the beneficial effects of the utility model are that:
the upper movable valve is moved from the top of the plunger to the position, close to the bottom, of the plunger and is matched with the lower movable valve in parallel, so that the phenomenon that the upper movable valve is arranged at the top and is pulled by the lifting rod to break can be overcome;
the spiral guide vanes are arranged in the plunger, so that oil can be formed into rotational flow, the sand-holding capacity is improved, the oil can be formed into rotational flow through the spiral guide grooves, and the oiling efficiency of the oil can be improved;
the tungsten alloy coating layers are arranged on the inner wall and the outer wall of the pump cylinder, so that the corrosion resistance and the abrasion resistance of the pump cylinder can be effectively improved, the service life is prolonged, and the oil extraction efficiency is improved;
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a pump cylinder; 2-wear-resistant anticorrosive layer; 3-a plunger; 4-a screw-thread shaped guide vane; 5-upper joint; 6-oil outlet holes at the top; 7-lifting the rod; 8-a fixed valve; 9-pressing a cover; 10-upper oil outlet; 11-an upper valve plate; 12-an upper oil feed hole; 13-upper valve ball; 14-lower gland; 15-lower oil outlet; 16-a lower valve plate; 17-lower oil inlet hole; 18-lower valve ball.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.
As shown in figure 1, the upper-valve-free anti-breaking wear-resistant anti-corrosion pump comprises a pump barrel 1, wherein a wear-resistant anti-corrosion layer 2 is arranged on the inner wall and the outer wall of the pump barrel 1, a plunger 3 is arranged on the inner wall of the pump barrel 1 in a vertical sliding mode, an upper traveling valve and a lower traveling valve are arranged at the lower end part of the plunger 3 in parallel from top to bottom, an upper connector 5 is connected to the upper end part of the plunger 3, and a fixed valve 8 is fixedly connected to the lower end part of the pump barrel.
The inner wall of the plunger 3 is provided with a thread-shaped guide vane 4.
The upper traveling valve comprises an upper gland 9 and an upper valve plate 11 which are arranged in parallel from top to bottom, and an upper valve ball 13 is movably arranged between the upper gland 9 and the upper valve plate 11.
An upper oil inlet hole 12 is opened at the center of the upper valve plate 11.
A plurality of upper oil outlet holes 10 are arranged around the center of the upper edge of the upper gland 9.
The downstream valve comprises a lower gland 14 and a lower valve plate 16 which are arranged in parallel from top to bottom, and a lower valve ball 18 is movably arranged between the lower gland 14 and the lower valve plate 16.
The center of the lower valve plate 16 is provided with a lower oil inlet hole 17.
The lower gland 14 is provided with a lower oil outlet 15.
The upper surface of the lower gland 14 is fixedly abutted against the lower surface of the lower valve plate 16.
The wear-resistant anticorrosive layer 2 is a tungsten alloy coating.
The thickness of the tungsten alloy coating on the outer wall of the pump cylinder 1 is 0.06-0.07mm.
The thickness of the tungsten alloy coating on the inner wall of the pump barrel 1 is 0.06-0.08mm.
The upper joint 5 is provided with a plurality of top oil outlet holes 6 along the center.
The working principle of the device is as follows:
the phenomenon that the upper movable valve is arranged at the top and is pulled by the lifting rod 7 to cause fracture can be overcome by moving the upper movable valve from the top of the plunger 3 to a position, close to the bottom, of the plunger 3 and matching the lower movable valve in parallel;
the screw thread-shaped guide vanes 4 are arranged in the plunger 3, so that the oil can be formed into rotational flow, the sand-holding capacity is improved, the oil can be formed into rotational flow through the spiral guide grooves, and the oiling efficiency of the oil can be improved;
by arranging the tungsten alloy coating on the inner wall and the outer wall of the pump cylinder 1, the corrosion resistance and the abrasion resistance of the pump cylinder 1 can be effectively improved, the service life is prolonged, and the oil extraction efficiency is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. The utility model provides a do not have valve of going up and prevent disconnected wear-resisting anticorrosive pump which characterized in that: including pump barrel (1), be equipped with wear-resisting anticorrosive coating (2) on pump barrel (1) inner wall and the outer wall, be equipped with plunger (3) along vertical slip on pump barrel (1) inner wall, the lower tip of plunger (3) is equipped with upper traveling valve and downstream traveling valve by last to lower side by side, the upper end of plunger (3) is connected with top connection (5), the lower tip rigid coupling of pump barrel (1) has fixed valve (8).
2. The upper-valve-free anti-breaking wear-resistant anti-corrosion pump as claimed in claim 1, wherein: and the inner wall of the plunger (3) is provided with a thread-shaped guide vane (4).
3. The no-upper-valve anti-break wear-resistant anti-corrosion pump as claimed in claim 1, wherein: the upper traveling valve comprises an upper gland (9) and an upper valve plate (11) which are arranged in parallel from top to bottom, and an upper valve ball (13) is movably arranged between the upper gland (9) and the upper valve plate (11).
4. The upper-valve-free anti-breaking wear-resistant anti-corrosion pump as claimed in claim 3, wherein: go up the center department of valve plate (11) and seted up last oilhole (12), go up gland (9) and go up along the center and enclose and be equipped with oil outlet (10) on a plurality of.
5. The upper-valve-free anti-breaking wear-resistant anti-corrosion pump as claimed in claim 4, wherein: the downstream valve comprises a lower gland (14) and a lower valve plate (16) which are arranged in parallel from top to bottom, and a lower valve ball (18) is movably arranged between the lower gland (14) and the lower valve plate (16).
6. The upper-valve-free anti-breaking wear-resistant anti-corrosion pump as claimed in claim 5, wherein: the center department of lower valve plate (16) has seted up lower inlet port (17), oil outlet (15) down have been seted up on lower gland (14).
7. The upper-valve-free anti-breaking wear-resistant anti-corrosion pump as claimed in claim 6, wherein: the upper surface of the lower gland (14) is fixedly connected with the lower surface of the lower valve plate (16) in an abutting mode.
8. The upper-valve-free anti-breaking wear-resistant anti-corrosion pump as claimed in claim 1, wherein: the wear-resistant anticorrosive layer (2) is a tungsten alloy coating.
9. The no-upper-valve anti-break wear-resistant anti-corrosion pump as claimed in claim 8, wherein: the thickness of the tungsten alloy coating on the outer wall of the pump cylinder (1) is 0.06-0.07mm.
10. The no-upper-valve anti-break wear-resistant anti-corrosion pump as claimed in claim 8, wherein: the thickness of the tungsten alloy coating on the inner wall of the pump cylinder (1) is 0.06-0.08mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222305169.0U CN218542566U (en) | 2022-08-31 | 2022-08-31 | Non-upper valve anti-breaking wear-resistant anti-corrosion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222305169.0U CN218542566U (en) | 2022-08-31 | 2022-08-31 | Non-upper valve anti-breaking wear-resistant anti-corrosion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218542566U true CN218542566U (en) | 2023-02-28 |
Family
ID=85270549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222305169.0U Active CN218542566U (en) | 2022-08-31 | 2022-08-31 | Non-upper valve anti-breaking wear-resistant anti-corrosion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218542566U (en) |
-
2022
- 2022-08-31 CN CN202222305169.0U patent/CN218542566U/en active Active
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