CN210049842U - Combined sucker rod centralizer - Google Patents
Combined sucker rod centralizer Download PDFInfo
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- CN210049842U CN210049842U CN201920483434.XU CN201920483434U CN210049842U CN 210049842 U CN210049842 U CN 210049842U CN 201920483434 U CN201920483434 U CN 201920483434U CN 210049842 U CN210049842 U CN 210049842U
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- rod body
- rod
- centralizing
- centralizer
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Abstract
The utility model discloses a combined sucker rod centralizer, which comprises an upper coupling, a first rod body, a first centralizing sleeve, a connecting sleeve, a second rod body, a second centralizing sleeve and a lower coupling, four corners of one side of the first rod body and one side of the second rod body, which are far away from each other, are respectively provided with a clamping groove, one sides of the first rod body and the second rod body, which are far away from the clamping grooves, are respectively and fixedly provided with a first external threaded column, one sides of the first righting sleeve and the second righting sleeve are respectively provided with a second external threaded column, and the first righting sleeve and the second righting sleeve are both provided with through holes matched with the first rod body and the second rod body, and four corners of the inner side wall of the through hole are provided with lugs, the connecting sleeve is arranged between the first rod body and the second rod body, both ends of the connecting sleeve are provided with first internal thread holes matched with the first external thread columns, and a second internal thread hole matched with the second external thread column is arranged on the outer side of the first internal thread hole.
Description
Technical Field
The utility model relates to an oil development equipment technical field, in particular to modular sucker rod centralizer.
Background
The sucker rod centralizer is an underground tool for preventing eccentric wear of an oil pumping well, the sucker rod moves up and down in an oil pipe, friction is easily generated between a rod and the wall of the oil pipe due to elastic deformation of the sucker rod, the sucker rod is easy to break off, the sucker rod centralizer has strong flexibility and is in contact with the inner wall of the oil pipe, the friction between the rod and the pipe can be reduced, the oil extraction service life of the oil pumping machine is prolonged, and the sucker rod centralizer has important application in the eccentric wear of the oil pumping well.
The existing sucker rod adopts an integrated structure, so that the centering sleeve and an oil pipe are continuously run in, the centering sleeve is greatly abraded, the centering sleeve needs to be integrally replaced after a period of time, the operation is complex, and the resource waste of integral replacement is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a modular sucker rod centralizer can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a combined sucker rod centralizer comprises an upper coupling, a first rod body, a first centralizing sleeve, a connecting sleeve, a second rod body, a second centralizing sleeve and a lower coupling, wherein one end of the first rod body and one end of the second rod body are respectively connected with the upper coupling and the lower coupling, four corners of one side, away from each other, of the first rod body and the second rod body are respectively provided with a clamping groove, one side, away from the clamping grooves, of the first rod body and one side, away from the clamping grooves, of the second rod body are respectively provided with a first external threaded column, one side of each of the first centralizing sleeve and the second centralizing sleeve is respectively provided with a second external threaded column, the first centralizing sleeve and the second centralizing sleeve are respectively provided with a through hole matched with the first rod body and the second rod body, four corners of the inner side wall of the through hole are respectively provided with a lug, the connecting sleeve is arranged between the first rod body and the second rod body, two ends of the connecting sleeve are respectively provided with, and a second internal thread hole matched with the second external thread column is arranged on the outer side of the first internal thread hole.
As a preferred technical scheme, the outside that the cover was right to first right cover and second all centers on being provided with a plurality of annular convex block, just the interval is even on the annular convex block is provided with a plurality of ball.
As an optimal technical scheme of the utility model, be provided with magnet on the lateral wall of annular lug.
As an optimal technical scheme of the utility model, all be provided with the sealing washer on first external screw thread post and the second external screw thread post.
As a preferred technical scheme of the utility model, adapter sleeve outside diameter slightly is greater than the diameter that first set and the second was right and is overlapped the lateral wall, just the adapter sleeve surpasss that the diameter that first set and the second were right and is overlapped is less than the thickness of annular lug.
Compared with the prior art, the utility model discloses following beneficial effect has: the combined sucker rod centralizer is provided with a connecting sleeve, a first threaded hole and a second threaded hole are respectively formed in two ends of the connecting sleeve, a first rod body, a second rod body, a first centralizing sleeve and a second centralizing sleeve are respectively arranged at two ends of the connecting sleeve, the first centralizing sleeve and the second centralizing sleeve are arranged on the first rod body and the second rod body through hole sleeves, and then a first external threaded column and a second external threaded column on one side of the first rod body and one side of the first centralizing sleeve are connected to the connecting sleeve in a threaded mode, so that the rod body and the centralizing sleeve are fixed, and the installation and the disassembly are convenient; the convex block on the centering sleeve is inserted into the clamping groove on the rod body, so that the stability of the centering sleeve is enhanced; and to the body of rod that damages or right the cover, can change alone, avoid causing the waste of resource, economic environmental protection.
Drawings
Fig. 1 is the overall structure schematic diagram of the combined sucker rod centralizer of the utility model.
Fig. 2 is the structure schematic diagram of the utility model relates to a modular sucker rod centralizer adapter sleeve.
Fig. 3 is the schematic view of the first rod and the first centering sleeve of the combined sucker rod centralizer in a disassembly structure.
In the figure: 1. mounting a coupling; 2. a first rod body; 3. a first centralizing sleeve; 4. connecting sleeves; 5. a second rod body; 6. a second centralizing sleeve; 7. a lower coupling; 8. a card slot; 9. a first externally threaded post; 10. a second externally threaded post; 11. a through hole; 12. a bump; 13. a first threaded hole; 14. a second threaded hole; 15. an annular projection; 16. a ball bearing; 17. and a magnet.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a combined sucker rod centralizer comprises an upper coupling 1, a first rod body 2, a first centralizing sleeve 3, a connecting sleeve 4, a second rod body 5, a second centralizing sleeve 6 and a lower coupling 7, wherein one end of the first rod body 2 and one end of the second rod body 5 are respectively connected with the upper coupling 1 and the lower coupling 7, four corners of one side of the first rod body 2, which is far away from the second rod body 5, are respectively provided with a clamping groove 8, one side of the first rod body 2, which is far away from the clamping groove 8, of the second rod body 5 is fixedly provided with a first external threaded column 9, one side of the first centralizing sleeve 3, which is far away from the second rod body 6, is respectively provided with a second external threaded column 10, the first centralizing sleeve 3 and the second centralizing sleeve 6 are respectively provided with a through hole 11 matched with the first rod body 2 and the second rod body 5, and four corners of the inner side wall of the through hole 11 are respectively provided with a convex, the connecting sleeve 4 is arranged between the first rod body 2 and the second rod body 5, first inner threaded holes 13 matched with the first outer threaded columns 9 are formed in the two ends of the connecting sleeve 4, and second inner threaded holes 14 matched with the second outer threaded columns 10 are formed in the outer sides of the first inner threaded holes 13.
In this embodiment, preferably, a plurality of annular protrusions 15 are arranged around the outer sides of the first centering sleeve 3 and the second centering sleeve 6, and a plurality of balls 16 are evenly arranged on the annular protrusions 15.
In this embodiment, preferably, a magnet 17 is disposed on an outer side wall of the annular protrusion 15.
In this embodiment, it is preferable that the first externally threaded column 9 and the second externally threaded column 10 are both provided with a sealing ring.
In this embodiment, preferably, the diameter of the outer side of the connection sleeve 4 is slightly larger than the diameter of the outer side walls of the first centering sleeve 3 and the second centering sleeve 6, and the diameter of the connection sleeve 4 beyond the first centering sleeve 3 and the second centering sleeve 6 is smaller than the thickness of the annular protrusion 15.
It should be noted that the utility model is a combined sucker rod centralizer, when in installation, the first centralizing sleeve 3 and the second centralizing sleeve 6 are respectively inserted from one end of the first rod body 2 and one end of the second rod body 5 by utilizing the through hole 11, so that the convex blocks 12 on the inner side walls of the first righting sleeve 3 and the second righting sleeve 6 follow the lower edge of the clamping groove 8, after the righting sleeve and the rod body are installed, one end of the first rod body 2 and the first centralizing sleeve 3 is aligned with the first threaded hole 13 and the second threaded hole 14 at one end of the connecting sleeve 4, then the first righting sleeve 3 is rotated to fix the first righting sleeve 3 and the first rod body 2 with one end of the connecting sleeve 4, the second righting sleeve 6 and the first external threaded column 9 and the second external threaded column 10 at one end of the second rod body 5 are fixedly connected with the other end of the connecting sleeve 4, then, an upper coupling 1 and a lower coupling 7 are respectively arranged at one end of the first rod body 2 and one end of the second rod body 5; in the use, the ball 16 in the annular lug 15 outside contacts with the inside wall of oil pipe, reduces oil pipe and rights the frictional force between the cover to reach the purpose of protection sucker rod, be provided with magnet 17 in addition, can effectually realize collecting the iron fillings etc. that the friction produced, avoid influencing the motion of sucker rod.
The combined sucker rod centralizer is provided with a connecting sleeve, a first threaded hole and a second threaded hole are respectively formed in two ends of the connecting sleeve, a first rod body, a second rod body, a first centralizing sleeve and a second centralizing sleeve are respectively arranged at two ends of the connecting sleeve, the first centralizing sleeve and the second centralizing sleeve are arranged on the first rod body and the second rod body through hole sleeves, and then a first external threaded column and a second external threaded column on one side of the first rod body and one side of the first centralizing sleeve are connected to the connecting sleeve in a threaded mode, so that the rod body and the centralizing sleeve are fixed, and the installation and the disassembly are convenient; the convex block on the centering sleeve is inserted into the clamping groove on the rod body, so that the stability of the centering sleeve is enhanced; and to the body of rod that damages or right the cover, can change alone, avoid causing the waste of resource, economic environmental protection.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A combined sucker rod centralizer comprises an upper coupling (1), a first rod body (2), a first centralizing sleeve (3), a connecting sleeve (4), a second rod body (5), a second centralizing sleeve (6) and a lower coupling (7), wherein one end of the first rod body (2) and one end of the second rod body (5) are respectively connected with the upper coupling (1) and the lower coupling (7), the combined sucker rod centralizer is characterized in that four corners at one side, far away from each other, of the first rod body (2) and the second rod body (5) are respectively provided with a clamping groove (8), one side, far away from the clamping groove (8), of the first rod body (2) and the second rod body (5) is fixedly provided with a first external threaded column (9), one side of the first centralizing sleeve (3) and one side of the second centralizing sleeve (6) are respectively provided with a second external threaded column (10), and through holes (11) matched with the first rod body (2) and the second rod body (5) are respectively arranged on the first centralizing sleeve (3) and the second centralizing sleeve (6), just four edges of through-hole (11) inside wall all are provided with lug (12), adapter sleeve (4) set up between the first body of rod (2) and the second body of rod (5), the both ends of adapter sleeve (4) all be provided with first external screw thread post (9) assorted first internal thread hole (13), just the outside in first internal thread hole (13) be provided with second external screw thread post (10) assorted second internal thread hole (14).
2. The modular sucker rod centralizer of claim 1, wherein: the outer sides of the first centering sleeve (3) and the second centering sleeve (6) are provided with a plurality of annular convex blocks (15) in a surrounding mode, and a plurality of balls (16) are uniformly arranged on the annular convex blocks (15) at intervals.
3. The modular sucker rod centralizer of claim 2, wherein: and a magnet (17) is arranged on the outer side wall of the annular convex block (15).
4. The modular sucker rod centralizer of claim 1, wherein: and the first external threaded column (9) and the second external threaded column (10) are both provided with sealing rings.
5. The modular sucker rod centralizer of claim 2, wherein: the diameter of the outer side of the connecting sleeve (4) is slightly larger than the diameter of the outer side walls of the first centering sleeve (3) and the second centering sleeve (6), and the diameter of the connecting sleeve (4) exceeding the first centering sleeve (3) and the second centering sleeve (6) is smaller than the thickness of the annular bump (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483434.XU CN210049842U (en) | 2019-04-11 | 2019-04-11 | Combined sucker rod centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483434.XU CN210049842U (en) | 2019-04-11 | 2019-04-11 | Combined sucker rod centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210049842U true CN210049842U (en) | 2020-02-11 |
Family
ID=69379534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920483434.XU Active CN210049842U (en) | 2019-04-11 | 2019-04-11 | Combined sucker rod centralizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210049842U (en) |
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2019
- 2019-04-11 CN CN201920483434.XU patent/CN210049842U/en active Active
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