CN213039252U - Oil pipe internal seal plug valve connector - Google Patents
Oil pipe internal seal plug valve connector Download PDFInfo
- Publication number
- CN213039252U CN213039252U CN202021167733.1U CN202021167733U CN213039252U CN 213039252 U CN213039252 U CN 213039252U CN 202021167733 U CN202021167733 U CN 202021167733U CN 213039252 U CN213039252 U CN 213039252U
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- coupling
- plug valve
- central tube
- sealing
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 230000008878 coupling Effects 0.000 claims abstract description 34
- 238000010168 coupling process Methods 0.000 claims abstract description 34
- 238000005859 coupling reaction Methods 0.000 claims abstract description 34
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to an oil pipe internal seal cock valve connector, which comprises a central pipe, wherein the central pipe is sequentially sleeved with a bearing, a pressing sleeve, a connecting sleeve, a sealing joint, a first spacer ring, a first sealing rubber ring, a second spacer ring, a second sealing rubber ring and a guiding head from top to bottom; the oil pipe accessible direction head one end embolias for the coupling top card of oil pipe is established in the bottom of pressing the cover, and fixes the coupling locking of oil pipe on the lateral wall of connector through coupling locking device, and, when the locking handrail was rotatory, can make the center tube relative movement, thereby makes the second seal rubber ring expand outward, realizes closely sealing with the subsides of the inner wall of oil pipe. The utility model discloses can solve the problem of the unable normal installation of oil pipe plug valve quick installation and oil pipe screw thread damage.
Description
Technical Field
The utility model belongs to the technical field of oil gas field well control equipment, especially, relate to an oil pipe inner seal cock valve connector.
Background
The well control equipment is used for preventing a well blowout event, wherein the plug valve is important well control equipment used for sealing pressure in the oil pipe, and the plug valve is directly inserted into the oil pipe when in use and then closed. However, when the plug valve is connected with the oil pipe, the plug valve is often difficult to install due to various reasons, and the purpose of preventing the blowout event cannot be met.
Therefore, based on the problems, the connector for the sealing plug valve in the oil pipe, which can solve the problems that the plug valve of the oil pipe is rapidly installed and the plug valve cannot be normally installed due to damaged threads of the oil pipe, has important practical significance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide one kind and can solve the quick installation of oil pipe plug valve and the unable normal oil pipe internal seal plug valve connector who installs the plug valve of oil pipe screw thread damage.
The utility model provides a its technical problem take following technical scheme to realize:
a plug valve connector for sealing in an oil pipe comprises a central pipe, wherein a bearing, a pressing sleeve, a connecting sleeve, a sealing joint, a first spacer ring, a first sealing rubber ring, a second spacer ring, a second sealing rubber ring and a guide head are sequentially sleeved on the central pipe from top to bottom, one end of the connecting sleeve is clamped between the pressing sleeve and the central pipe, the other end of the connecting sleeve is in contact with the sealing joint, the guide head is fixedly connected with the central pipe, a locking handrail is further in threaded connection with the central pipe, and the locking handrail is positioned above the bearing;
the oil pipe can be sleeved in through one end of the guide head, so that the top end of a coupling of the oil pipe is clamped at the bottom of the pressing sleeve, the coupling of the oil pipe is locked and fixed on the side wall of the connector through the coupling locking device, and when the locking handrail rotates, the central pipe can move relatively, so that the second sealing rubber ring expands outwards, and the tight sealing with the inner wall of the oil pipe is realized.
Furthermore, the coupling locking device is a two-piece type openable tubular structure, two ends of the coupling locking device are respectively clamped with the pressing sleeve and the tubing coupling, and the coupling locking device can be fixedly connected with the tubing by locking.
Furthermore, the guide head is fixedly connected with the side wall of the central tube through a guide head pin.
Furthermore, the top end of the central tube can be fixedly connected with a plug valve.
Furthermore, the outer ring sleeve and the inner ring sleeve of the bearing are respectively and fixedly connected with the pressing sleeve and the locking handrail.
The utility model has the advantages that:
the utility model can be installed quickly under the condition that the plug valve can not be normally installed when the thread of the oil pipe is damaged; the installation speed of the internal blowout prevention tool is greatly improved, and valuable time is provided for well control emergency; and can be suitable for the quick installation of various types of oil pipe plug valves with various sizes.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
Fig. 1 is a schematic view of a connection structure of a plug valve connector sealed in an oil pipe according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a coupling locking device of a plug valve connector for sealing in an oil pipe according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the connection between the plug valve connector and the plug valve and the connection between the plug valve connector and the oil pipe;
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1.
Fig. 1 is a plug valve connector sealed in an oil pipe according to an embodiment of the present invention, which includes a central tube 1, the central tube 1 is sequentially sleeved with a bearing 3, a pressing sleeve 4, a connecting sleeve 5, a sealing joint 7, a first spacer ring 8, a first sealing rubber ring 15, a second spacer ring 9, a second sealing rubber ring 10, and a guiding head 11 from top to bottom, one end of the connecting sleeve 5 is clamped between the pressing sleeve 4 and the central tube 1, the other end of the connecting sleeve is in contact with the sealing joint 7, the guiding head 11 is fixedly connected to the central tube 1, and in this embodiment, the guiding head 11 is fixedly connected to a side wall of the central tube 1 through a guiding head pin 12; the central pipe 1 is also in threaded connection with a locking handrail 2, the locking handrail 2 is positioned above a bearing 3, and an outer ring sleeve and an inner ring sleeve of the bearing 3 are respectively and fixedly connected with the pressing sleeve 4 and the locking handrail 2;
the tubing can be sleeved in through one end of the guide head 11, so that the top end of a coupling of the tubing is clamped at the bottom of the pressing sleeve 4, the coupling of the tubing 14 is locked and fixed on the side wall of the connector through the coupling locking device 6, and when the locking handrail 2 rotates, the central tube 1 can move relatively, so that the second sealing rubber ring 10 expands outwards, and tight sealing with the inner wall of the tubing 14 is realized.
It should be noted that the coupling locking device 6 is a two-piece openable tubular structure, two ends of the coupling locking device 6 are respectively clamped with the pressing sleeve 4 and the tubing coupling, and the coupling locking device 6 can be fixedly connected with the tubing by locking, specifically, in this embodiment, as shown in fig. 2, the coupling locking device 6 includes two-piece semicircular fastening pieces 61 and a locking mechanism 62, wherein one end of each of the two semicircular fastening pieces 61 is connected to form a split-type hinge door structure, and the other end of each of the two semicircular fastening pieces can be locked by the locking mechanism 62, and the locking mechanism 62 can adopt a conventional locking device.
The top end of the central tube 1 can be fixedly connected with a plug valve 13.
In this embodiment, specifically, the first sealing rubber ring 15 and the second sealing rubber ring 10 are sleeved on the central tube 1, and are separated by a spacer ring for sealing the pressure in the oil tube; the coupling locking device 6 locks the bottom of the coupling shoulder of the oil pipe 14, so that the pressure in the well can be prevented from causing the upward movement of the connector; the coupling locking device 6 can bear at least 30t of jacking force after being clamped; the second sealing rubber ring 10 is slightly smaller than the inner diameter of the oil pipe 14, and the central pipe 1 can be tightly attached to the inner wall of the oil pipe 14 to realize sealing only by going a small distance; the oil pipe internal sealing cock valve connector is connected with the second sealing rubber ring 10 and the cock valve 13 in an abutting mode to achieve well closing operation under the combined action, and the oil pipe internal sealing cock valve connector and the cock valve 13 must be used together when in use.
For example, in this embodiment, when a blowout occurs, the sealed cock valve connector in the tubing is introduced into the tubing 14 through the guide head 11, the coupling sleeve 5 guides the coupling of the tubing 14 into the fixed position pressing sleeve 4, the coupling locking device 6 locks and fixes the coupling of the tubing 14, the cock valve 13 is screwed on the cock valve connector of the central tube 1, the rotary locking handle 2 moves downwards along the central tube 1 through the connecting thread, so that the central tube 1 is driven to move upwards through the bearing 3, the guide head pin 12 locks the central tube 1, the second sealed rubber ring 10 is forced to expand outwards and cling to the inner wall of the tubing 14, the installation of the sealed cock valve connector in the tubing is completed at this time, and the well shut-in can be completed only by closing the cock valve 13 at this time; well blowout control is achieved, when disassembly is needed, only the locking handrail 2 needs to be rotated reversely, the second sealing rubber ring 10 does not block the inner wall of the oil pipe 14 any more, the coupling locking device 6 is opened, and the connector is taken down.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. A sealed cock valve connector in oil pipe which characterized in that: the guide device comprises a central tube, wherein a bearing, a pressing sleeve, a connecting sleeve, a sealing joint, a first spacer ring, a first sealing rubber ring, a second spacer ring, a second sealing rubber ring and a guide head are sequentially sleeved on the central tube from top to bottom, one end of the connecting sleeve is clamped between the pressing sleeve and the central tube, the other end of the connecting sleeve is in contact with the sealing joint, the guide head is fixedly connected with the central tube, a locking handrail is further in threaded connection with the central tube, and the locking handrail is positioned above the bearing;
the oil pipe can be sleeved in through one end of the guide head, so that the top end of a coupling of the oil pipe is clamped at the bottom of the pressing sleeve, the coupling of the oil pipe is locked and fixed on the side wall of the connector through the coupling locking device, and when the locking handrail rotates, the central pipe can move relatively, so that the second sealing rubber ring expands outwards, and the tight sealing with the inner wall of the oil pipe is realized.
2. An in-tubing seal plug valve connector as claimed in claim 1, wherein: the coupling locking device is of a two-piece type openable tubular structure, two ends of the coupling locking device are respectively clamped with the pressing sleeve and the tubing coupling, and the coupling locking device can be fixedly connected with the tubing by locking.
3. An in-tubing seal plug valve connector as claimed in claim 1, wherein: the guide head is fixedly connected with the side wall of the central tube through a guide head pin.
4. An in-tubing seal plug valve connector as claimed in claim 1, wherein: the top end of the central tube can be fixedly connected with a plug valve.
5. An in-tubing seal plug valve connector as claimed in claim 1, wherein: and the outer ring sleeve and the inner ring sleeve of the bearing are respectively and fixedly connected with the pressing sleeve and the locking handrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021167733.1U CN213039252U (en) | 2020-06-22 | 2020-06-22 | Oil pipe internal seal plug valve connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021167733.1U CN213039252U (en) | 2020-06-22 | 2020-06-22 | Oil pipe internal seal plug valve connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039252U true CN213039252U (en) | 2021-04-23 |
Family
ID=75522910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021167733.1U Expired - Fee Related CN213039252U (en) | 2020-06-22 | 2020-06-22 | Oil pipe internal seal plug valve connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039252U (en) |
-
2020
- 2020-06-22 CN CN202021167733.1U patent/CN213039252U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |