CN210509072U - Sucker rod spiral centralizer convenient to use - Google Patents
Sucker rod spiral centralizer convenient to use Download PDFInfo
- Publication number
- CN210509072U CN210509072U CN201921283063.7U CN201921283063U CN210509072U CN 210509072 U CN210509072 U CN 210509072U CN 201921283063 U CN201921283063 U CN 201921283063U CN 210509072 U CN210509072 U CN 210509072U
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- sucker rod
- cover
- connector
- righting
- spiral
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Abstract
The utility model discloses a sucker rod spiral centralizer convenient to use, including righting the cover, the top of righting the cover is provided with the top connector, top connector and right a set fixed connection, and the bottom of righting the cover is provided with the bottom connector, and bottom connector and righting a set fixed connection, the side of righting the cover is provided with the spiral strip, and spiral strip and right a set fixed connection, and the lateral surface of spiral strip has seted up logical groove, and the both ends of spiral strip all are provided with the arc head. The utility model has the characteristics of rational in infrastructure, convenient to use, through the centering cover that sets up and the spiral strip in the centering cover outside can effectual reduction sucker rod to the friction of oil pipe inner wall, and then can ensure the normal clear of oil pumping work.
Description
Technical Field
The utility model relates to a centralizer technical field specifically is a sucker rod spiral centralizer convenient to use.
Background
The sucker rod centralizer is an underground tool for preventing eccentric wear of a pumping well, is suitable for the eccentric wear of the pumping well, and is particularly suitable for the eccentric wear of the pumping well above a neutral point of a sucker rod and a directional inclined well.
The applicant of the utility model finds that the spiral centralizer used by the existing sucker rod is more in variety, but in the using process, the anti-abrasion effect is poor, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sucker rod spiral centralizer convenient to use aims at improving the used spiral centralizer kind of current sucker rod more, but at the in-process that uses, the abrasionproof effect is relatively poor to use inconvenient problem.
The utility model discloses a realize like this:
the utility model provides a sucker rod spiral centralizer convenient to use, is including rightting the cover, and the top of rightting the cover is provided with the top connector, top connector and right cover fixed connection, and the bottom of righting the cover is provided with the bottom connector, and bottom connector and right cover fixed connection, the side of righting the cover is provided with the spiral strip, and spiral strip and right cover fixed connection, and the lateral surface of spiral strip has seted up logical groove, and the both ends of spiral strip all are provided with the arc head.
Further, the external diameter of centering sleeve is greater than the external diameter of sucker rod coupling, and the transition end of centering sleeve and bottom connector has seted up transition circular arc chamfer, the external diameter through letting centering sleeve be greater than the external diameter of sucker rod coupling, be in order to prevent that the sucker rod from pumping the operation with oil pipe's inner wall contact, and then lead to the inner wall of sucker rod and oil pipe to take place the friction, and then lead to the sucker rod the cracked condition to appear, or damaged condition emergence appears in oil pipe's inner wall, through setting up transition circular arc chamfer at the transition end of centering sleeve and bottom connector is in order to prevent that the transition end of centering sleeve and bottom connector from taking place the scraping with oil pipe's inner wall when the sucker rod moves in oil pipe, and then lead to the damaged condition to appear in oil pipe's.
Further, set up outer wall connecting thread on the lateral wall of top connector, outer wall connecting thread and sucker rod are mutually supported, through set up outer wall connecting thread on the lateral wall of top connector, be for the ease of being connected top connector and sucker rod, and the mode through screw-thread fit not only is convenient for connect and this kind of connected mode still more firm, prevents the utility model discloses and the condition that breaks away from appears between the sucker rod.
Further, seted up interior wall connection screw thread on the inside wall of bottom connector, interior wall connection screw thread and sucker rod are mutually supported, through having seted up interior wall connection screw thread on the inside wall of bottom connector, be for being connected with the sucker rod, can let bottom connector and sucker rod pass through screw-thread fit's mode fixed connection like this to through the mutually supporting between top connector and the bottom connector, can let the utility model discloses connect between two adjacent sucker rods, and then be convenient for the installation operation of the utility model.
Further, the axle center of top connector, right cover and bottom connector is on same straight line, and the axle center through letting top connector, right cover and bottom connector is on same straight line, is in order to prevent the utility model discloses when being connected with the sucker rod, prevent that the condition of incline from appearing in the sucker rod, because the incline of sucker rod will lead to the efficiency of pumping.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the characteristics of rational in infrastructure, convenient to use, through the centering cover that sets up and the spiral strip in the centering cover outside can effectual reduction sucker rod to the friction of oil pipe inner wall, and then can ensure the normal clear of oil pumping work.
(1) The utility model discloses a let the external diameter of righting the cover be greater than the external diameter of sucker rod coupling, be in order to prevent the sucker rod in the operation of pumping with oil pipe's inner wall contact, and then lead to sucker rod and oil pipe's inner wall to take place the friction, and then lead to the sucker rod cracked condition to appear, perhaps oil pipe's inner wall damaged condition emergence appears, it is in order to prevent that the sucker rod from righting the transition end of cover and bottom connector and taking place the scraping with oil pipe's inner wall to set up transition circular arc chamfer through the transition end of righting cover and bottom connector, and then lead to oil pipe's inner wall damaged condition to appear.
(2) The utility model discloses a set up interior wall connection screw thread on the inside wall of bottom connector, be for connecting with the sucker rod, can let bottom connector and sucker rod pass through screw-thread fit's mode fixed connection like this to through mutually supporting between top connector and the bottom connector, can let the utility model discloses connect between two adjacent sucker rods, and then be convenient for the installation operation.
(3) The utility model discloses a let the axle center of top connector, centering cover and bottom connector on same straight line, be in order to prevent the utility model discloses when being connected with the sucker rod, prevent that the inclined condition from appearing in the sucker rod, because the incline of sucker rod will lead to the efficiency of oil pumping.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a sucker rod screw centralizer convenient to use of the present invention;
FIG. 2 is a schematic structural view of a sucker rod spiral centralizer convenient to use of the present invention;
FIG. 3 is an enlarged schematic view at A shown in FIG. 2;
fig. 4 is a schematic structural view of the bottom of the sucker rod spiral centralizer convenient to use of the present invention.
In the figure: 1. a top connector; 11. the outer wall is connected with a thread; 2. a centralizing sleeve; 3. a bottom connector; 31. the inner wall is connected with a thread; 32. chamfering a transition arc; 4. a helical strip; 41. a through groove; 42. an arc-shaped head.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Referring to fig. 1, 2, 3 and 4, a sucker rod spiral centralizer convenient to use comprises a centralizing sleeve 2, the outer diameter of the centralizing sleeve 2 is larger than that of a sucker rod coupling, a transition arc chamfer 32 is arranged at the transition end of the centralizing sleeve 2 and a bottom connector 3, the outer diameter of the centering sleeve 2 is larger than that of the sucker rod coupling, so as to prevent the sucker rod from contacting with the inner wall of an oil pipe when the sucker rod is in pumping operation, thereby causing the friction between the sucker rod and the inner wall of the oil pipe and further causing the fracture of the sucker rod, or the inner wall of the oil pipe is damaged, the transition arc chamfers 32 are arranged at the transition ends of the centering sleeve 2 and the bottom connector 3 to prevent the transition ends of the centering sleeve 2 and the bottom connector 3 from scraping the inner wall of the oil pipe when the sucker rod moves in the oil pipe, so that the inner wall of the oil pipe is damaged;
the top end of the centering sleeve 2 is provided with a top connector 1, the top connector 1 is fixedly connected with the centering sleeve 2, the outer wall connecting thread 11 is arranged on the outer side wall of the top connector 1, the outer wall connecting thread 11 is matched with the sucker rod, and the outer wall connecting thread 11 is arranged on the outer side wall of the top connector 1, so that the top connector 1 is conveniently connected with the sucker rod; the bottom end of the righting sleeve 2 is provided with a bottom connector 3, the bottom connector 3 is fixedly connected with the righting sleeve 2, the inner wall connecting thread 31 is arranged on the inner side wall of the bottom connector 3, the inner wall connecting thread 31 is matched with the sucker rod, and the inner wall connecting thread 31 is arranged on the inner side wall of the bottom connector 3 so as to be connected with the sucker rod, so that the bottom connector 3 can be fixedly connected with the sucker rod in a thread matching mode, and the utility model can be connected between two adjacent sucker rods through the mutual matching between the top connector 1 and the bottom connector 3, thereby facilitating the installation operation of the utility model; the side of righting cover 2 is provided with helical strip 4, helical strip 4 with right 2 fixed connection of cover, and the lateral surface of helical strip 4 has seted up logical groove 41, the both ends of helical strip 4 all are provided with arc head 42, top connector 1, the axle center of righting cover 2 and bottom connector 3 is on same straight line, through letting top connector 1, the axle center of righting cover 2 and bottom connector 3 on same straight line, be for preventing the utility model discloses when being connected with the sucker rod, prevent that the inclined condition from appearing in the sucker rod, because the incline of sucker rod will lead to the efficiency of pumping.
The utility model discloses a theory of operation: firstly, will the utility model discloses connect on the sucker rod, the external diameter that utilizes to right cover 2 is greater than the sucker rod coupling external diameter and plays the effect of rightting, then utilizes to right spiral strip 4 on the 2 lateral walls of cover to be high strength wear-resisting material, makes spiral strip 4 wearing and tearing with the oil pipe contact to reduce oil pipe's wearing and tearing, and then reach the purpose of preventing the eccentric wear.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a sucker rod spiral centralizer convenient to use, is including righting cover (2), its characterized in that: the top of righting cover (2) is provided with top connector (1), top connector (1) with right cover (2) fixed connection, the bottom of righting cover (2) is provided with bottom connector (3), bottom connector (3) with right cover (2) fixed connection, the side of righting cover (2) is provided with spiral strip (4), spiral strip (4) with right cover (2) fixed connection, and the lateral surface of spiral strip (4) has seted up logical groove (41), the both ends of spiral strip (4) all are provided with arc head (42).
2. The sucker rod spiral centralizer convenient to use of claim 1, characterized in that, the external diameter of the centralizing sleeve (2) is larger than the external diameter of the sucker rod coupling, and the transition ends of the centralizing sleeve (2) and the bottom connector (3) are provided with transition arc chamfers (32).
3. The sucker rod spiral centralizer convenient to use of claim 2, wherein the outer wall connecting thread (11) is formed on the outer side wall of the top connector (1), and the outer wall connecting thread (11) and the sucker rod are matched with each other.
4. The sucker rod spiral centralizer convenient to use of claim 3, characterized in that the inner side wall of the bottom connector (3) is provided with inner wall connecting threads (31), and the inner wall connecting threads (31) are matched with the sucker rod.
5. The sucker rod spiral centralizer convenient to use of claim 4, characterized in that the axial centers of the top connector (1), the centralizing sleeve (2) and the bottom connector (3) are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283063.7U CN210509072U (en) | 2019-08-09 | 2019-08-09 | Sucker rod spiral centralizer convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283063.7U CN210509072U (en) | 2019-08-09 | 2019-08-09 | Sucker rod spiral centralizer convenient to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509072U true CN210509072U (en) | 2020-05-12 |
Family
ID=70588424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921283063.7U Active CN210509072U (en) | 2019-08-09 | 2019-08-09 | Sucker rod spiral centralizer convenient to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509072U (en) |
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2019
- 2019-08-09 CN CN201921283063.7U patent/CN210509072U/en active Active
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