CN209838333U - Guide sucker rod centralizer - Google Patents
Guide sucker rod centralizer Download PDFInfo
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- CN209838333U CN209838333U CN201920477399.0U CN201920477399U CN209838333U CN 209838333 U CN209838333 U CN 209838333U CN 201920477399 U CN201920477399 U CN 201920477399U CN 209838333 U CN209838333 U CN 209838333U
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- adapter sleeve
- connecting sleeve
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Abstract
The utility model discloses a can lead sucker rod centralizer, including rightting the cover, righting cover outer wall axial is equipped with a plurality of mounting bar, righting the wear-resisting stick that the cover was equipped with swing joint on the cover, wear-resisting excellent inner wall be equipped with mounting bar assorted mounting groove, righting the cover outer wall in wear-resisting stick one side is equipped with threaded connection's first adapter sleeve, righting the cover outer wall with the first adapter sleeve outside is equipped with threaded connection's second adapter sleeve, righting the cover outer wall in wear-resisting excellent opposite side is equipped with threaded connection's third adapter sleeve, righting the cover outer wall with the third adapter sleeve outside is equipped with threaded connection's fourth adapter sleeve. The utility model discloses simple structure can realize the quick installation to wear-resisting stick, can prevent that wear-resisting stick from taking place to rotate, strengthens the stability of centralizer, can effectively strengthen the locking loose-proof ability to wear-resisting stick, and is convenient for dismantle the change to wear-resisting stick.
Description
Technical Field
The utility model relates to a sucker rod centralizer technical field, in particular to can lead sucker rod centralizer.
Background
The sucker rod is a slender rod piece of the pumping well, and is connected with a polished rod at the upper part and an oil well pump at the lower part to play a role in transmitting power. The sucker rod centralizer is an anti-eccentric-wear downhole tool for an oil pumping well, is suitable for an eccentric-wear pumping well, particularly suitable for an eccentric-wear pumping well above a neutral point of a sucker rod and a directional inclined well, and has better anti-eccentric-wear effect when matched with a nylon centralizer on an oil pumping rod body below the neutral point. The sucker rod moves up and down in the oil pipe, the rod and the wall of the oil pipe are easy to generate friction due to the elastic deformation of the sucker rod, the sucker rod is easy to break off, and the sucker rod centralizer has strong flexibility and is in contact with the inner wall of the oil pipe, so that the friction between the rod and the pipe can be reduced, and the oil extraction service life of the oil pumping unit is prolonged. The sucker rod centralizer is connected to the sucker rod, and utilizes the outer diameter of the centralizing sleeve to be larger than the outer diameter of the sucker rod coupling to play a role in centralizing; the centralizing sleeve is made of high-strength wear-resistant material and is contacted with the oil pipe to enable the centralizing body to be worn, so that the wear of the oil pipe is reduced, and the purpose of preventing eccentric wear is achieved.
However, most of the existing guide sucker rod centralizers are disposable products, the reuse rate is low, and wear-resistant parts are inconvenient to replace.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a but guide sucker rod centralizer can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a steerable sucker rod centralizer, is including righting the cover, it is equipped with a plurality of mounting bar to right set outer wall axial, it is equipped with swing joint's wear-resisting stick to right the cover, wear-resisting excellent inner wall be equipped with mounting bar assorted mounting groove, right set outer wall in wear-resisting stick one side is equipped with threaded connection's first adapter sleeve, right set outer wall with the first adapter sleeve outside is equipped with threaded connection's second adapter sleeve, right set outer wall in wear-resisting stick opposite side is equipped with threaded connection's third adapter sleeve, right set outer wall with the third adapter sleeve outside is equipped with threaded connection's fourth adapter sleeve.
As an optimized technical scheme of the utility model, the mounting bar is equipped with four, four the mounting bar annular arrange in right set outer wall.
As a preferred technical scheme of the utility model, right set outer wall in wear-resisting stick one side is equipped with first external screw thread, first adapter sleeve inner wall be equipped with first external screw thread assorted first internal thread, first adapter sleeve outer wall is equipped with the second external screw thread.
As a preferred technical scheme of the utility model, the second adapter sleeve inner wall is kept away from first adapter sleeve one side be equipped with first external screw thread assorted second internal thread, the second adapter sleeve inner wall is close to first adapter sleeve one side be equipped with second external screw thread assorted third internal thread.
As a preferred technical scheme of the utility model, right set of outer wall in the wear-resisting excellent opposite side is equipped with the third external screw thread, third adapter sleeve inner wall be equipped with third external screw thread assorted fourth internal thread, third adapter sleeve outer wall is equipped with the fourth external screw thread.
As a preferred technical scheme of the utility model, fourth adapter sleeve inner wall is close to third adapter sleeve one side be equipped with fourth external thread assorted fifth internal thread, the fourth adapter sleeve inner wall is kept away from third adapter sleeve one side be equipped with third external thread assorted sixth internal thread.
As an optimal technical scheme of the utility model, first adapter sleeve with be equipped with first gasket between the wear-resisting stick, the second adapter sleeve with be equipped with the second gasket between the first adapter sleeve, the third adapter sleeve with be equipped with the third gasket between the wear-resisting stick, the fourth adapter sleeve with be equipped with the fourth gasket between the third adapter sleeve.
Compared with the prior art, the utility model discloses following beneficial effect has: according to the guide sucker rod centralizer, the installation strip and the installation groove are arranged, so that the wear-resistant rod can be quickly installed, the installation strip is limited, the wear-resistant rod can be prevented from rotating, and the stability of the centralizer is enhanced; the first connecting sleeve, the second connecting sleeve, the third connecting sleeve and the fourth connecting sleeve are arranged, the first connecting sleeve and the third connecting sleeve clamp the wear-resistant rod, the wear-resistant rod can be prevented from loosening, the second connecting sleeve can reinforce the first connecting sleeve, and the fourth connecting sleeve can reinforce the third connecting sleeve, so that the loosening prevention capability of the wear-resistant rod is further enhanced, and the wear-resistant rod is convenient to disassemble and replace; the utility model discloses simple structure can realize the quick installation to wear-resisting stick, can prevent that wear-resisting stick from taking place to rotate, strengthens the stability of centralizer, can effectively strengthen the locking loose-proof ability to wear-resisting stick, and is convenient for dismantle the change to wear-resisting stick.
Drawings
Fig. 1 is an overall front view of the steerable sucker rod centralizer of the present invention.
Fig. 2 is a front sectional view of the centering sleeve of the steerable sucker rod centralizer of the present invention.
Fig. 3 is a side sectional view of the wear-resistant rod of the steerable sucker rod centralizer of the present invention.
Fig. 4 is a schematic view of the connection between the first connection sleeve and the second connection sleeve of the steerable sucker rod centralizer of the present invention.
Fig. 5 is a schematic view of the connection between the third connection sleeve and the fourth connection sleeve of the steerable sucker rod centralizer of the present invention.
In the figure: 1. a centralizing sleeve; 2. mounting a bar; 3. a wear-resistant bar; 4. mounting grooves; 5. a first connecting sleeve; 6. a second connecting sleeve; 7. a third connecting sleeve; 8. and a fourth connecting sleeve.
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. 1-5, a steerable sucker rod centralizer comprises a centralizing sleeve 1, the outer wall of the centralizing sleeve 1 is axially provided with a plurality of mounting bars 2, the centralizing sleeve 1 is sleeved with a wear-resistant rod 3 which is movably connected, the inner wall of the wear-resistant rod 3 is provided with a mounting groove 4 which is matched with the mounting bar 2, the outer wall of the centralizing sleeve 1 is provided with a first connecting sleeve 5 which is connected with threads on one side of the wear-resistant rod 3, the outer wall of the centralizing sleeve 1 is provided with a second connecting sleeve 6 which is connected with threads on the outer side of the first connecting sleeve 5, the outer wall of the centralizing sleeve 1 is provided with a third connecting sleeve 7 which is connected with threads on the other side of the wear-resistant rod 3, and the outer wall of the centralizing sleeve 1 is provided with a fourth connecting sleeve 8 which.
In this embodiment, preferably, four mounting bars 2 are arranged on the outer wall of the centering sleeve 1, and the four mounting bars 2 are annularly arranged on the outer wall of the centering sleeve 1.
In this embodiment, preferably, the outer wall of the centering sleeve 1 is provided with a first external thread on one side of the wear-resistant rod 3, the inner wall of the first connecting sleeve 5 is provided with a first internal thread matched with the first external thread, and the outer wall of the first connecting sleeve 5 is provided with a second external thread.
In this embodiment, preferably, a second internal thread matched with the first external thread is arranged on one side, away from the first connecting sleeve 5, of the inner wall of the second connecting sleeve 6, and a third internal thread matched with the second external thread is arranged on one side, close to the first connecting sleeve 5, of the inner wall of the second connecting sleeve 6.
In this embodiment, preferably, the outer wall of the centering sleeve 1 is provided with a third external thread on the other side of the wear-resistant rod 3, the inner wall of the third connecting sleeve 7 is provided with a fourth internal thread matched with the third external thread, and the outer wall of the third connecting sleeve 7 is provided with a fourth external thread.
In this embodiment, preferably, a fifth internal thread matched with the fourth external thread is arranged on one side, close to the third connecting sleeve 7, of the inner wall of the fourth connecting sleeve 8, and a sixth internal thread matched with the third external thread is arranged on one side, far away from the third connecting sleeve 7, of the inner wall of the fourth connecting sleeve 8.
In this embodiment, preferably, a first gasket is arranged between the first connecting sleeve 5 and the wear-resistant rod 3, a second gasket is arranged between the second connecting sleeve 6 and the first connecting sleeve 5, a third gasket is arranged between the third connecting sleeve 7 and the wear-resistant rod 3, and a fourth gasket is arranged between the fourth connecting sleeve 8 and the third connecting sleeve 7.
It should be noted that the utility model relates to a but guide sucker rod centralizer, its theory of use: when in installation, the first connecting sleeve 5 is firstly screwed, the first connecting sleeve 5 is installed at one end of the outer wall of the righting sleeve 1, then the second connecting sleeve 6 is screwed, one end of the inner wall of the second connecting sleeve 6 is connected with the first connecting sleeve 5, the other end of the inner wall of the second connecting sleeve 6 is connected with the outer wall of the righting sleeve 1, at the moment, the first connecting sleeve 5 and the second connecting sleeve 6 are fixedly installed on the righting sleeve 1, then the wear-resistant rod 3 is installed on the righting sleeve 1, the installation groove 4 is sleeved on the installation strip 2, the installation strip 2 is limited, the wear-resistant rod 3 can be prevented from rotating, then the third connecting sleeve 7 is sleeved on the righting sleeve 1 and screwed, the third connecting sleeve 7 is installed at the other end of the outer wall of the righting sleeve 1, then the fourth connecting sleeve 8 is screwed, one end of the inner wall of the fourth connecting sleeve 8 is connected with the third connecting sleeve 7, the other end of the inner wall of the fourth connecting sleeve 8 is, first adapter sleeve 5 and third adapter sleeve 7 press from both sides tight wear-resisting stick 3 tightly, can prevent that wear-resisting stick 3 from loosening, second adapter sleeve 6 can be consolidated first adapter sleeve 5, fourth adapter sleeve 8 can be consolidated third adapter sleeve 7, further strengthen the locking ability of taking off of wear-resisting stick 3, when dismantling the change to wear-resisting stick 3, unscrew fourth adapter sleeve 8 earlier, dismantle fourth adapter sleeve 8 from third adapter sleeve 7, then unscrew third adapter sleeve 7, dismantle third adapter sleeve 7 from righting cover 1, it can to change wear-resisting stick 3 at last.
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 (7)
1. The utility model provides a steerable sucker rod centralizer, includes centering cover (1), its characterized in that: righting cover (1) outer wall axial and being equipped with a plurality of mounting bar (2), righting and being equipped with swing joint's wear-resisting stick (3) on cover (1), wear-resisting stick (3) inner wall be equipped with mounting bar (2) assorted mounting groove (4), righting cover (1) outer wall in wear-resisting stick (3) one side is equipped with threaded connection's first adapter sleeve (5), righting cover (1) outer wall with first adapter sleeve (5) outside is equipped with threaded connection's second adapter sleeve (6), righting cover (1) outer wall in wear-resisting stick (3) opposite side is equipped with threaded connection's third adapter sleeve (7), righting cover (1) outer wall with third adapter sleeve (7) outside is equipped with threaded connection's fourth adapter sleeve (8).
2. The steerable sucker rod centralizer of claim 1, wherein: the installation strips (2) are four, and the four installation strips (2) are annularly arranged on the outer wall of the righting sleeve (1).
3. The steerable sucker rod centralizer of claim 1, wherein: the outer wall of the centering sleeve (1) is provided with a first external thread on one side of the wear-resistant rod (3), the inner wall of the first connecting sleeve (5) is provided with a first internal thread matched with the first external thread, and the outer wall of the first connecting sleeve (5) is provided with a second external thread.
4. The steerable sucker rod centralizer of claim 3, wherein: one side, far away from the first connecting sleeve (5), of the inner wall of the second connecting sleeve (6) is provided with a second internal thread matched with the first external thread, and one side, close to the first connecting sleeve (5), of the inner wall of the second connecting sleeve (6) is provided with a third internal thread matched with the second external thread.
5. The steerable sucker rod centralizer of claim 1, wherein: the outer wall of the centering sleeve (1) is provided with a third external thread on the other side of the wear-resistant rod (3), a fourth internal thread matched with the third external thread is arranged on the inner wall of the third connecting sleeve (7), and a fourth external thread is arranged on the outer wall of the third connecting sleeve (7).
6. The steerable sucker rod centralizer of claim 5, wherein: the inner wall of the fourth connecting sleeve (8) is close to one side of the third connecting sleeve (7) and is provided with a fifth internal thread matched with the fourth external thread, and the inner wall of the fourth connecting sleeve (8) is far away from one side of the third connecting sleeve (7) and is provided with a sixth internal thread matched with the third external thread.
7. The steerable sucker rod centralizer of claim 1, wherein: first adapter sleeve (5) with be equipped with first gasket between wear-resisting stick (3), second adapter sleeve (6) with be equipped with the second gasket between first adapter sleeve (5), third adapter sleeve (7) with be equipped with the third gasket between wear-resisting stick (3), fourth adapter sleeve (8) with be equipped with the fourth gasket between third adapter sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477399.0U CN209838333U (en) | 2019-04-10 | 2019-04-10 | Guide sucker rod centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477399.0U CN209838333U (en) | 2019-04-10 | 2019-04-10 | Guide sucker rod centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838333U true CN209838333U (en) | 2019-12-24 |
Family
ID=68910735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920477399.0U Active CN209838333U (en) | 2019-04-10 | 2019-04-10 | Guide sucker rod centralizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838333U (en) |
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2019
- 2019-04-10 CN CN201920477399.0U patent/CN209838333U/en active Active
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