CN214660000U - Anti-drop device for sucker rod - Google Patents
Anti-drop device for sucker rod Download PDFInfo
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- CN214660000U CN214660000U CN202120626134.XU CN202120626134U CN214660000U CN 214660000 U CN214660000 U CN 214660000U CN 202120626134 U CN202120626134 U CN 202120626134U CN 214660000 U CN214660000 U CN 214660000U
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- wear
- joint
- sleeve
- sucker rod
- connecting sleeve
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Abstract
The utility model relates to the technical field of an anti-drop device of a pumping well sucker rod, which is named as an anti-drop device of the sucker rod, and comprises an upper joint, a lower joint and a connecting sleeve, wherein the upper end of the lower joint is provided with an expansion body, a closing-in is arranged below the connecting sleeve, the lower joint is inserted into the connecting sleeve, the closing-in blocks the expansion body, the lower end of the upper joint is inserted into the connecting sleeve, and a jackscrew passes through the connecting sleeve and is inserted into the upper joint for connection; a wear-resistant sleeve is arranged around the lower part of the expansion body and on the closing-in part, and the wear-resistant sleeve is a lower wear-resistant sleeve; a wear-resistant sleeve is arranged around the expansion body, the wear-resistant sleeve is an upper wear-resistant sleeve, and the lower end of the upper joint is provided with a structure for clamping the upper wear-resistant sleeve and props against the upper wear-resistant sleeve downwards; such sucker rod anticreep ware has durable, simple to operate's advantage.
Description
Technical Field
The utility model relates to a pumping well sucker rod anticreep device technical field is sucker rod anticreep ware.
Background
In the oil extraction pole column of the oil field, in order to prevent the thread connection position tripping between the sucker rods, the anti-tripping device is often used.
The anti-falling device comprises an upper joint, a lower joint and a connecting sleeve, wherein an expansion body is arranged at the upper end of the lower joint, a closing-in body is arranged below the connecting sleeve, the lower joint is inserted into the connecting sleeve, the expansion body is blocked by the closing-in body, the lower end of the upper joint is inserted into the connecting sleeve, and a jackscrew penetrates through the connecting sleeve and is inserted into the upper joint for connection; during the use, top connection connect the sucker rod, the lower clutch connect the sucker rod, the inflation body can free rotation in the adapter sleeve to reach the sucker rod and detain the effect of anticreep.
In the prior art, the part of the lower surface of the expansion body, which is contacted with the closing-in part, is not provided with a wear-resistant part or the like, so that the defect that the part is not durable is caused, the service life of the anti-falling device is influenced, and in addition, the phenomenon that the design is unreasonable, for example, the part which is used for assisting the assembly is lacked, so that the defect that the assembly is inconvenient is caused.
Disclosure of Invention
The utility model aims at providing a durable, simple to operate's sucker rod anticreep ware to above-mentioned shortcoming.
The technical scheme of the utility model is realized like this, a sucker rod anticreep ware, including top connection, lower clutch and adapter sleeve, the lower clutch upper end have the inflation body, the adapter sleeve below have close up, the lower clutch insert in the adapter sleeve, close up keep off the inflation body, the top connection lower extreme insert in the adapter sleeve, the jackscrew passes the adapter sleeve and inserts the top connection in addition; the method is characterized in that: the periphery of the lower part of the expansion body and the upper part of the closing-in are provided with a wear-resistant sleeve which is a lower wear-resistant sleeve.
Furthermore, a wear-resistant sleeve is arranged around the expansion body, the wear-resistant sleeve is an upper wear-resistant sleeve, and the lower end of the upper joint is provided with a structure for clamping the upper wear-resistant sleeve and props against the upper wear-resistant sleeve downwards.
Furthermore, the excircle of the upper joint is provided with a structure clamped by a wrench, which is a clamping part of the wrench of the upper joint.
Furthermore, the lower part of the excircle of the connecting sleeve is provided with a wrench clamping structure which is a connecting sleeve wrench clamping part.
Furthermore, the middle part of the excircle of the lower joint is provided with a wrench clamping structure which is a lower joint wrench clamping part.
Furthermore, the lower joint is provided with an external thread, and a locking nut is arranged on the external thread.
Furthermore, the outer periphery of the expansion body is provided with a wear-resistant layer, and the inner periphery of the wear-resistant sleeve is provided with a wear-resistant layer.
The utility model has the advantages that: such sucker rod anticreep ware has durable, simple to operate's advantage.
Drawings
Fig. 1 is a schematic longitudinal sectional structure of the present invention.
The anti-abrasion device comprises a base, an upper connector 2, a lower connector 21, an expansion body 22, external threads 3, a connecting sleeve 31, a closing-in 4, a jackscrew 51, a lower abrasion-resistant sleeve 52, an upper abrasion-resistant sleeve 61, an upper connector wrench clamping part 62, a connecting sleeve wrench clamping part 63, a lower connector wrench clamping part 7, a lock nut 8 and an abrasion-resistant layer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an anti-drop device for a sucker rod comprises an upper joint 1, a lower joint 2 and a connecting sleeve 3, wherein the upper end of the lower joint is provided with an expansion body 21, a closing-in 31 is arranged below the connecting sleeve, the lower joint is inserted into the connecting sleeve, the closing-in blocks the expansion body, the lower end of the upper joint is inserted into the connecting sleeve, and a jackscrew 4 penetrates through the connecting sleeve and is inserted into the upper joint for connection; the method is characterized in that: a wear-resistant sleeve is arranged around the lower part of the expansion body and on the closing-in part, and the wear-resistant sleeve is a lower wear-resistant sleeve 51.
The utility model discloses owing to be provided with wear-resisting cover at the pivoted position, have durable's advantage, can realize the utility model discloses a purpose.
Furthermore, a wear-resistant sleeve is arranged around the expansion body, the wear-resistant sleeve is an upper wear-resistant sleeve 52, and the lower end of the upper joint is provided with a structure for clamping the upper wear-resistant sleeve and is downwards propped against the upper wear-resistant sleeve.
The utility model discloses owing to install a wear-resisting cover around on the inflation body, have the advantage that reduces wearing and tearing below the top connection.
Furthermore, the excircle of the upper joint has a structure clamped by a wrench, which is a clamping part 61 of the wrench of the upper joint.
Further, the lower part of the outer circle of the connecting sleeve is provided with a wrench clamping structure which is a connecting sleeve wrench clamping part 62.
Furthermore, the middle part of the excircle of the lower joint is provided with a wrench clamping structure which is a lower joint wrench clamping part 63.
The utility model discloses set up like this and have the installation dismantle more convenient advantage.
Further, the lower joint has an external thread 22, and a locking nut 7 is mounted on the external thread.
The utility model discloses set up like this, have the more convenient advantage of connecting the sucker rod.
Furthermore, the periphery of the outer part of the expansion body is provided with a wear-resistant layer 8, and the periphery of the inner part of the wear-resistant sleeve is provided with a wear-resistant layer.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention, and the technical solutions are all covered in the scope of the description of the present invention.
Claims (7)
1. An anti-drop device for a sucker rod comprises an upper joint, a lower joint and a connecting sleeve, wherein an expansion body is arranged at the upper end of the lower joint, a closing-in body is arranged below the connecting sleeve, the lower joint is inserted into the connecting sleeve, the closing-in body blocks the expansion body, the lower end of the upper joint is inserted into the connecting sleeve, and a jackscrew penetrates through the connecting sleeve and is inserted into the upper joint for connection; the method is characterized in that: the periphery of the lower part of the expansion body and the upper part of the closing-in are provided with a wear-resistant sleeve which is a lower wear-resistant sleeve.
2. The anti-drop device for sucker rod of claim 1 wherein: the periphery of the upper surface of the expansion body is provided with a wear-resistant sleeve which is an upper wear-resistant sleeve, and the lower end of the upper joint is provided with a structure for clamping the upper wear-resistant sleeve and pushes the upper wear-resistant sleeve downwards.
3. The anti-drop device for sucker rod of claim 2 wherein: the excircle of the upper joint is provided with a structure clamped by a wrench, and the structure is a clamping part of the wrench of the upper joint.
4. The sucker rod anti-drop device of claim 1, 2 or 3, which is characterized in that: the round lower part outside the connecting sleeve is provided with a wrench clamping structure which is a connecting sleeve wrench clamping part.
5. The anti-drop device for sucker rod of claim 4 wherein: the middle part of the excircle of the lower joint is provided with a structure clamped by a wrench, and the structure is a clamping part of the wrench of the lower joint.
6. The anti-drop device for sucker rod of claim 5 wherein: the lower joint is provided with an external thread, and a locking nut is arranged on the external thread.
7. The sucker rod anti-drop device of claim 1, 2 or 3, which is characterized in that: the expansion body is provided with a wear-resistant layer around the outside, and the wear-resistant sleeve is provided with a wear-resistant layer around the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626134.XU CN214660000U (en) | 2021-03-29 | 2021-03-29 | Anti-drop device for sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626134.XU CN214660000U (en) | 2021-03-29 | 2021-03-29 | Anti-drop device for sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214660000U true CN214660000U (en) | 2021-11-09 |
Family
ID=78456699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120626134.XU Active CN214660000U (en) | 2021-03-29 | 2021-03-29 | Anti-drop device for sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214660000U (en) |
-
2021
- 2021-03-29 CN CN202120626134.XU patent/CN214660000U/en active Active
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