CN217080745U - Strong open-close tube pump - Google Patents
Strong open-close tube pump Download PDFInfo
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- CN217080745U CN217080745U CN202220372219.4U CN202220372219U CN217080745U CN 217080745 U CN217080745 U CN 217080745U CN 202220372219 U CN202220372219 U CN 202220372219U CN 217080745 U CN217080745 U CN 217080745U
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Abstract
The utility model provides a strong open-close tube pump, which comprises a pump cylinder assembly, a sucker rod, an upper piston component, a lower piston, a pull rod, a strong open-close valve and a fixed valve; the sucker rod is arranged in the pump cylinder assembly; the upper end of the upper piston assembly is connected with the sucker rod; the lower piston is positioned at the lower part of the lower piston cover; the pull rod is positioned at the lower part of the upper piston assembly, the upper end of the pull rod is connected with the upper piston assembly, and the lower end of the pull rod protrudes out of the lower end of the lower piston; the strong opening and closing valve is connected with the lower end of the pull rod and is used for being matched with the lower piston to realize the strong opening and closing of the lower piston; the fixed valve is arranged at the lower side of the strong opening and closing valve and is connected with the pump barrel assembly.
Description
Technical Field
The utility model belongs to the technical field of the beam-pumping unit, more specifically say, relate to a strong open and close tubing pump.
Background
In the process of exploiting the oil and gas field, the conventional tubular pump has an air lock phenomenon. The air-lock-free pipe type pump is researched by the company according to the principle of a dead lying well oil bailer designed in China.
In the later period of gas field exploitation, underground water permeates into the well due to the reduction of formation pressure, and the gas layer pressure in the later period is reduced and is pressed by a liquid column, so that normal self-injection cannot be realized. The gas well production is recovered by adopting a machine pumping drainage gas production process, the conventional tubular pump has the advantages that the gas content in the gas well is high, the gas content in the lower cavity of the pump is higher and higher after the normal pumping is started for a period of time, so that a floating valve cannot be unlocked and locked when a piston descends, and the pumping efficiency of the tubular pump cannot work normally after the gas lock occurs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a strong tubular pump of opening and close to solve above-mentioned technical problem.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a strong opening and closing tube pump including:
a pump barrel assembly;
the sucker rod is arranged in the pump cylinder assembly;
the upper end of the upper piston assembly is connected with the sucker rod;
a lower piston located below the upper piston assembly;
the pull rod is positioned at the lower part of the upper piston assembly, the upper end of the pull rod is connected with the upper piston assembly, and the lower end of the pull rod protrudes out of the lower end of the lower piston;
the strong opening and closing valve is connected with the lower end of the pull rod and is used for being matched with the lower piston to realize the strong opening and closing of the lower piston;
and the fixed valve is arranged at the lower side of the strong opening and closing valve and is connected with the pump cylinder assembly.
In one possible implementation, the pump cylinder assembly includes a pump cylinder assembly and two tubing couplings, and the two tubing couplings are respectively connected to two ends of the pump cylinder assembly.
In one possible implementation, the upper piston assembly includes an upper piston cover, an upper piston, and a lower piston cover, the upper piston cover being connected to the lower end of the sucker rod; the upper part of the upper piston is connected with the upper piston cover; the lower piston cap is connected to the lower portion of the upper piston.
In a possible implementation manner, the upper part of the strong opening and closing valve is a spherical surface, and the lower part of the lower piston is provided with a spherical groove matched with the spherical surface.
In one possible embodiment, a gap is provided between the pull rod and the lower piston for the oil to flow through.
In a possible implementation manner, the upper pump cylinder, the lower pump cylinder and the scale scraping ring are arranged on the pump cylinder assembly, the inner diameter of the lower pump cylinder is larger than that of the upper pump cylinder, the upper pump cylinder is connected with the lower pump cylinder, the upper piston assembly and the lower piston are both located in the upper pump cylinder, the fixed valve is arranged in the lower pump cylinder, and the scale scraping ring is clamped between the upper pump cylinder and the lower pump cylinder and used for scraping off the scale on the lower piston.
In a possible implementation manner, the pump cylinder assembly further comprises a connecting hoop, one end of the connecting hoop is connected with the upper pump cylinder, the other end of the connecting hoop is connected with the lower pump cylinder, and the scale scraping ring is located in the connecting hoop and clamped between the upper pump cylinder and the lower pump cylinder.
In a possible implementation manner, the lower piston comprises a piston seat and a sealing sleeve, a clamping groove is formed in the outer side of the piston seat, and the sealing sleeve is clamped in the clamping groove.
In one possible implementation, the inner wall of the pump cylinder assembly, the sucker rod, the upper piston assembly, the lower piston and the pull rod are coated with an anti-corrosion coating.
In a possible implementation manner, the fixed valve comprises a valve seat, a valve cover and a valve ball, the valve cover is arranged on the upper side of the valve seat, the valve ball is arranged between the valve seat and the valve cover, and both the valve seat and the valve cover are connected with the pump cylinder assembly.
The utility model provides a strong beneficial effect who opens and close tubing pump lies in: compared with the prior art, the utility model provides a when opening and close tubing pump by force is full of gas in the pump is with, drives the upper portion piston through the sucker rod, drives the pull rod again, and then drives and open and close valve by force and lower part piston separation, realizes opening and close the function by force, avoids the airlock phenomenon, can use in the rich oil field of gas-containing, uses upper portion piston assembly and lower part piston cooperation simultaneously, pumps oil simultaneously, and the leakproofness is better, difficult fluid that leaks.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic sectional structural view of a strong opening and closing tube pump provided in an embodiment of the present invention;
wherein the reference numerals in the figures are as follows:
10. an upper pump barrel; 11. a lower pump barrel; 12. a scale scraping ring; 13. a connecting hoop;
14. a tubing coupling; 20. a sucker rod; 30. an upper piston housing; 31. an upper piston;
32. a lower piston cage; 40. a plug seat; 41. sealing sleeves; 50. a pull rod;
60. opening and closing the valve strongly; 70. a valve seat; 71. a valve cover; 72. a valve ball.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It is right now that the utility model provides a strong open and close tubular pump explains.
Referring to fig. 1, the first embodiment of the present invention provides a strong open/close tubing pump, which includes a pump barrel assembly, a sucker rod 20, an upper piston assembly, a lower piston, a pull rod 50, a strong open/close valve 60 and a fixed valve; the sucker rod 20 is arranged in the pump cylinder assembly; an upper piston assembly, the upper end of which is connected with the sucker rod 20; a lower piston located below the upper piston assembly; a pull rod 50 positioned at the lower part of the upper piston assembly, wherein the upper end of the pull rod 50 is connected with the upper piston assembly, and the lower end of the pull rod 50 protrudes out of the lower end of the lower piston; the strong opening and closing valve 60 is connected with the lower end of the pull rod 50 and is used for being matched with the lower piston to realize the strong opening and closing of the lower piston; the fixed valve is arranged at the lower side of the strong opening and closing valve 60 and is connected with the pump cylinder assembly.
It should be understood that, in the down stroke, the sucker rod 20 drives the upper piston assembly, the pull rod 50 and the strong opening and closing valve 60 to move downwards, so as to force the lower piston to open, discharge the oil and gas in the lower cavity, move downwards continuously, and drive the lower piston to move downwards until the oil and gas in the lower cavity are exhausted; during the upstroke, the sucker rod 20 drives the upper piston assembly, the pull rod 50 and the forced open-close valve 60 to move upwards, and forces the lower piston to close, so that a negative pressure cavity is formed in the lower cavity instantly, the fixed valve is opened quickly, oil is pumped, and the one-time reciprocating liquid discharge function of the pump is completed.
The beneficial effect who opens and close tube pump by force that this embodiment provided lies in: compared with the prior art, the forced opening and closing tubular pump that this embodiment provided drives upper portion piston 31 through sucker rod 20 when the pump is with being filled with gas, drives pull rod 50 again, and then drives and opens and close valve 60 by force and lower part piston separation, realizes the function of opening and close by force, avoids the airlock phenomenon, can use in the oil field that contains abundant gas, uses upper portion piston assembly and lower part piston cooperation simultaneously, carries out the oil pumping simultaneously, and the leakproofness is better, difficult fluid that leaks.
In one particular embodiment, as shown in FIG. 1, the pump barrel assembly includes a pump barrel assembly and two tubing collars 14, each of the two tubing collars 14 being coupled to opposite ends of the pump barrel assembly for connection to tubing.
As shown in FIG. 1, in one particular embodiment, the upper piston assembly includes an upper piston housing 30, an upper piston 31 and a lower piston housing 32, the upper piston housing 30 being connected to the lower end of the sucker rod 20; the upper part of the upper piston 31 is connected with the upper piston cover 30; the lower piston cap 32 is connected to the lower portion of the upper piston 31.
It should be understood that the upper piston cover 30 and the lower piston cover 32 are disposed on the upper piston 31 to facilitate the connection of the upper piston 31 with the sucker rod 20 and the pull rod 50, and the side surfaces of the upper piston cover 30 and the lower piston cover 32 are both provided with through holes, so that the upper piston 31 can connect the sucker rod 20 with the pull rod 50 without affecting the oil circulation.
As shown in fig. 1, in a specific embodiment, a gap is formed between the pull rod 50 and the lower piston for oil to flow through, an upper portion of the strong open/close valve 60 is a spherical surface, and a lower portion of the lower piston is provided with a spherical groove matched with the spherical surface, so as to increase a contact area between the open/close valve and the lower piston and ensure good sealing performance.
As shown in fig. 1, in a specific embodiment, the pump cylinder assembly includes an upper pump cylinder 10, a lower pump cylinder 11 and a dirt scraping ring 12, the inner diameter of the lower pump cylinder 11 is larger than the inner diameter of the upper pump cylinder 10, the upper pump cylinder 10 is connected to the lower pump cylinder 11, the upper piston assembly and the lower piston are both located in the upper pump cylinder 10, the fixed valve is arranged in the lower pump cylinder 11, and the dirt scraping ring 12 is clamped between the upper pump cylinder 10 and the lower pump cylinder 11 for scraping dirt on the lower piston, so as to prevent the piston from being worn and prolong the service life.
In a particular embodiment, as shown in fig. 1, the pump cylinder assembly further comprises a coupling 13, one end of the coupling 13 is connected to the upper pump cylinder 10, and the other end is connected to the lower pump cylinder 11, and the scraper ring 12 is located in the coupling 13 and is clamped between the upper pump cylinder 10 and the lower pump cylinder 11, so as to facilitate the detachment and installation of the coupling 13.
As shown in fig. 1, in a specific embodiment, the lower piston includes a piston seat 40 and a sealing sleeve 41, a clamping groove is formed on the outer side of the piston seat 40, the sealing sleeve 41 is clamped in the clamping groove to improve the sealing performance of the lower piston, and specifically, the sealing sleeve 41 is a wear-resistant sleeve.
In one particular embodiment, as shown in FIG. 1, the inner wall of the pump barrel assembly, the sucker rod 20, the upper piston assembly, the lower piston and the pull rod 50 are coated with an anti-corrosive coating to avoid corrosion by the oil.
As shown in fig. 1, in a specific embodiment, the fixed valve includes a valve seat 70, a valve cover 71 and a valve ball 72, the valve cover 71 is disposed on the upper side of the valve seat 70, the valve ball 72 is disposed between the valve seat 70 and the valve cover 71, and the valve ball 72 and the valve seat 70 and the valve cover 71 are both connected to the pump barrel assembly.
Specifically, the valve ball 72 is movably disposed between the valve seat 70 and the valve cover 71 to facilitate the flow of oil.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a strong open and close tubular pump which characterized in that includes:
a pump barrel assembly;
the sucker rod (20) is arranged in the pump cylinder assembly;
the upper end of the upper piston assembly is connected with the sucker rod (20);
a lower piston located below the upper piston assembly;
the pull rod (50) is positioned at the lower part of the upper piston assembly, the upper end of the pull rod (50) is connected with the upper piston assembly, and the lower end of the pull rod (50) protrudes out of the lower end of the lower piston;
the strong opening and closing valve (60) is connected with the lower end of the pull rod (50) and is used for being matched with the lower piston to realize strong opening and closing of the lower piston; and
and the fixed valve is arranged at the lower side of the strong opening and closing valve (60) and is connected with the pump cylinder assembly.
2. The strong opening and closing tube pump as claimed in claim 1, wherein: the pump cylinder assembly comprises a pump cylinder assembly and two tubing couplings (14), wherein the two tubing couplings (14) are respectively connected with two ends of the pump cylinder assembly.
3. The strong opening and closing tube pump as claimed in claim 1, wherein: the upper piston assembly comprises an upper piston cover (30), an upper piston (31) and a lower piston cover (32), and the upper piston cover (30) is connected with the lower end of the sucker rod (20); the upper part of the upper piston (31) is connected with the upper piston cover (30); the lower piston cover (32) is connected to the lower portion of the upper piston (31).
4. The strong opening and closing tube pump as claimed in claim 1, wherein: the upper part of the strong opening and closing valve (60) is a spherical surface, and the lower part of the lower piston is provided with a spherical groove matched with the spherical surface.
5. The strong opening and closing tube pump as claimed in claim 1, wherein: a gap is arranged between the pull rod (50) and the lower piston and is used for flowing oil.
6. The strong opening and closing tube pump as claimed in claim 2, wherein: pump barrel subassembly upper portion pump barrel (10), lower part pump barrel (11) and scrape dirty ring (12), the internal diameter of lower part pump barrel (11) is greater than the internal diameter of upper portion pump barrel (10), upper portion pump barrel (10) with lower part pump barrel (11) are connected, upper portion piston assembly and lower part piston all are located in upper portion pump barrel (10), fixed valve establishes in lower part pump barrel (11), it presss from both sides and establishes to scrape dirty ring (12) between upper portion pump barrel (10) and lower part pump barrel (11), is used for scraping the dirt on the piston of lower part.
7. The strong opening and closing tube pump as claimed in claim 6, wherein: the pump barrel assembly further comprises a connecting hoop (13), one end of the connecting hoop (13) is connected with the upper pump barrel (10), the other end of the connecting hoop is connected with the lower pump barrel (11), and the scale scraping ring (12) is located in the connecting hoop (13) and clamped between the upper pump barrel (10) and the lower pump barrel (11).
8. The strong opening and closing tube pump as claimed in claim 1, wherein: the lower piston comprises a piston seat (40) and a sealing sleeve (41), a clamping groove is formed in the outer side of the piston seat (40), and the sealing sleeve (41) is clamped in the clamping groove.
9. The strong opening and closing tube pump as claimed in claim 1, wherein: the inner wall of the pump cylinder assembly, the sucker rod (20), the upper piston component, the lower piston and the pull rod (50) are coated with anticorrosive coatings.
10. The strong opening and closing tube pump as claimed in claim 1, wherein: the fixed valve comprises a valve seat (70), a valve cover (71) and a valve ball (72), the valve cover (71) is arranged on the upper side of the valve seat (70), the valve ball (72) is arranged between the valve seat (70) and the valve cover (71), and the valve seat (70) and the valve cover (71) are both connected with the pump cylinder assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220372219.4U CN217080745U (en) | 2022-02-21 | 2022-02-21 | Strong open-close tube pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220372219.4U CN217080745U (en) | 2022-02-21 | 2022-02-21 | Strong open-close tube pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217080745U true CN217080745U (en) | 2022-07-29 |
Family
ID=82544264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220372219.4U Active CN217080745U (en) | 2022-02-21 | 2022-02-21 | Strong open-close tube pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217080745U (en) |
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2022
- 2022-02-21 CN CN202220372219.4U patent/CN217080745U/en active Active
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