CN220226744U - Reinforced sealing tubing coupling - Google Patents
Reinforced sealing tubing coupling Download PDFInfo
- Publication number
- CN220226744U CN220226744U CN202321972335.0U CN202321972335U CN220226744U CN 220226744 U CN220226744 U CN 220226744U CN 202321972335 U CN202321972335 U CN 202321972335U CN 220226744 U CN220226744 U CN 220226744U
- Authority
- CN
- China
- Prior art keywords
- coupling
- pipe
- sealing
- sealing convex
- convex pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 82
- 230000008878 coupling Effects 0.000 title claims abstract description 56
- 238000010168 coupling process Methods 0.000 title claims abstract description 56
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Abstract
The utility model provides a strengthen sealed tubing coupling, relates to oil extraction equipment technical field, and it includes intermediate pipe, left coupling and right coupling, is equipped with left screw thread and right screw thread on the intermediate pipe outer wall, and left screw thread and right screw thread are connected with left coupling and right coupling through the screw thread respectively; the two ends of the middle pipe are respectively provided with a left sealing convex pipe and a right sealing convex pipe, and the left sealing convex pipe and the right sealing convex pipe are communicated with the middle pipe. The reinforced sealing oil pipe coupling has the advantages of simple structure, low manufacturing cost, good sealing performance, difficult damage and low replacement cost, and is suitable for large-scale popularization and use by utilizing the sealing convex pipe and the sealing table.
Description
Technical field:
the utility model relates to the technical field of oil extraction equipment, in particular to a reinforced sealing tubing coupling.
The background technology is as follows:
tubing couplings are one type of oilfield drilling tool that are primarily used for connection of tubing. The existing tubing coupling is complex in structure, high in manufacturing cost, incapable of guaranteeing tightness, high in discarding and replacing cost once damaged, and not suitable for practical use.
The utility model comprises the following steps:
the utility model aims to overcome the defects in the prior art, and provides the oil pipe coupling for reinforcing the seal, which has the advantages of simple structure, low manufacturing cost and tightness guarantee.
In order to solve the problems existing in the background technology, the utility model adopts the following technical scheme: the device comprises a middle pipe, a left coupling and a right coupling, wherein the outer wall of the middle pipe is provided with left threads and right threads, and the left threads and the right threads are respectively connected with the left coupling and the right coupling through threads; the two ends of the middle pipe are respectively provided with a left sealing convex pipe and a right sealing convex pipe, and the left sealing convex pipe and the right sealing convex pipe are communicated with the middle pipe.
The left coupling and the right coupling are respectively connected with the corresponding left pipeline and the right pipeline through threads.
The left sealing convex pipe and the right sealing convex pipe are respectively inserted into the corresponding left pipeline and the right pipeline.
The root diameter of the joint of the left sealing convex pipe and the right sealing convex pipe and the middle pipe is the same as the inner diameter of the left and right pipelines.
The connection parts of the left sealing convex pipe and the right sealing convex pipe and the middle pipe are respectively provided with a left sealing table and a right sealing table.
The left sealing table and the right sealing table are respectively propped against the outer edges of the corresponding left pipeline and the right pipeline.
The diameters of the outer edges of the left sealing table and the right sealing table are the same as the diameters of the outer edges of the left pipeline and the right pipeline.
The utility model has the advantages of simple structure, low manufacturing cost, good sealing performance by utilizing the sealing convex pipe and the sealing table, difficult damage and low replacement cost, and is suitable for large-scale popularization and use.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a view of the left coupling of the present utility model in use;
FIG. 3 is a diagram of the use of left and right couplings according to the present utility model.
The specific embodiment is as follows:
referring to the drawings, the present utility model specifically adopts the following embodiments: the pipe comprises a middle pipe 1, a left coupling 2 and a right coupling 5, wherein the outer wall of the middle pipe 1 is provided with a left thread 8 and a right thread 9, and the left thread 8 and the right thread 9 are respectively connected with the left coupling 2 and the right coupling 5 through threads; the two ends of the middle pipe 1 are respectively provided with a left sealing convex pipe 4 and a right sealing convex pipe 7, and the left sealing convex pipe 4 and the right sealing convex pipe 7 are communicated with the middle pipe 1. The left coupling 2 and the right coupling 5 are respectively connected with corresponding left and right pipelines through threads. The left sealing convex pipe 4 and the right sealing convex pipe 7 are respectively inserted into the corresponding left and right pipelines. The root diameter of the joint of the left sealing convex pipe 4 and the right sealing convex pipe 7 and the middle pipe 1 is the same as the inner diameter of the left and right pipelines. The connection parts of the left sealing convex pipe 4 and the right sealing convex pipe 7 and the middle pipe 1 are respectively provided with a left sealing table 3 and a right sealing table 6. The left sealing table 3 and the right sealing table 6 are respectively propped against the outer edges of the corresponding left pipeline and the right pipeline. The outer diameters of the left sealing table 3 and the right sealing table 6 are the same as the outer diameters of the left pipeline and the right pipeline.
When the reinforced sealing oil pipe coupling is used, the left coupling 2 and the right coupling 5 are screwed, so that the left coupling 2 and the right coupling 5 are completely positioned on the outer wall of the middle pipe 1, corresponding left and right pipelines are arranged on two sides of the middle pipe 1, the left sealing convex pipe 4 and the right sealing convex pipe 7 are respectively inserted into corresponding left and right pipelines until the left and right pipelines are propped against the left sealing table 3 and the right sealing table 6, and finally the left coupling 2 and the right coupling 5 are screwed, half of the coupling bodies of the left coupling 2 and the right coupling 5 are positioned in the middle pipe 1, and the other half of the coupling bodies are positioned on the corresponding left and right pipelines, so that the connection of the pipelines is completed.
The fluid in the pipeline sequentially passes through the left pipeline or the right pipeline, the left sealing convex pipe 4, the right sealing convex pipe 7 and the middle pipe 1.
The root diameter of the joint of the left sealing convex pipe 4 and the right sealing convex pipe 7 and the middle pipe 1 is the same as the inner diameter of the left and right pipelines, and when the left sealing convex pipe 4 and the right sealing convex pipe 7 are respectively inserted into the left and right pipelines, the left sealing convex pipe 4 and the right sealing convex pipe 7 are in interference connection with the left and right pipelines, are tightly attached, can well prevent fluid from overflowing, and play a good sealing role.
The outer diameters of the left sealing table 3 and the right sealing table 6 are the same as the outer diameters of the left and right pipelines, so that the purpose of the parallel connection of the left and right pipelines and the middle pipe 1 is achieved, and the left coupling 2 and the right coupling 5 can be screwed, so that gaps are not reserved between the left coupling 2 and the right coupling 5 and the left and right pipelines, and the perfect fit is achieved, and good tightness is achieved.
The reinforced sealing oil pipe coupling is low in manufacturing cost and replacement cost once damaged and needs replacement.
In conclusion, the reinforced sealed oil pipe coupling has the advantages of simple structure, low manufacturing cost, good sealing performance by utilizing the sealing convex pipe and the sealing table, difficult damage and low replacement cost, and is suitable for large-scale popularization and use.
Claims (7)
1. A reinforced sealed tubing coupling, characterized by: the connecting device comprises a middle pipe (1), a left coupling (2) and a right coupling (5), wherein a left thread (8) and a right thread (9) are arranged on the outer wall of the middle pipe (1), and the left thread (8) and the right thread (9) are respectively connected with the left coupling (2) and the right coupling (5) through threads; the two ends of the middle pipe (1) are respectively provided with a left sealing convex pipe (4) and a right sealing convex pipe (7), and the left sealing convex pipe (4) and the right sealing convex pipe (7) are communicated with the middle pipe (1).
2. A reinforced sealed tubing coupling as claimed in claim 1, wherein: the left coupling (2) and the right coupling (5) are respectively connected with the corresponding left and right pipelines through threads.
3. A reinforced sealed tubing coupling as claimed in claim 1, wherein: the left sealing convex pipe (4) and the right sealing convex pipe (7) are respectively inserted into the corresponding left pipeline and the right pipeline.
4. A reinforced sealed tubing coupling as claimed in claim 3, wherein: the root diameter of the connection part of the left sealing convex tube (4) and the right sealing convex tube (7) with the middle tube (1) is the same as the inner diameter of the left and right pipelines.
5. A reinforced sealed tubing coupling as claimed in claim 1, wherein: the connection parts of the left sealing convex pipe (4) and the right sealing convex pipe (7) and the middle pipe (1) are respectively provided with a left sealing table (3) and a right sealing table (6).
6. A reinforced sealed tubing coupling as claimed in claim 5, wherein: the left sealing table (3) and the right sealing table (6) are respectively propped against the outer edges of the corresponding left pipeline and the right pipeline.
7. A reinforced sealed tubing coupling as claimed in claim 6, wherein: the outer diameters of the left sealing table (3) and the right sealing table (6) are the same as the outer diameters of the left pipeline and the right pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321972335.0U CN220226744U (en) | 2023-07-25 | 2023-07-25 | Reinforced sealing tubing coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321972335.0U CN220226744U (en) | 2023-07-25 | 2023-07-25 | Reinforced sealing tubing coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226744U true CN220226744U (en) | 2023-12-22 |
Family
ID=89181926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321972335.0U Active CN220226744U (en) | 2023-07-25 | 2023-07-25 | Reinforced sealing tubing coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220226744U (en) |
-
2023
- 2023-07-25 CN CN202321972335.0U patent/CN220226744U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |