CN216240482U - Water-proof casing joint connection structure - Google Patents
Water-proof casing joint connection structure Download PDFInfo
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- CN216240482U CN216240482U CN202123072667.7U CN202123072667U CN216240482U CN 216240482 U CN216240482 U CN 216240482U CN 202123072667 U CN202123072667 U CN 202123072667U CN 216240482 U CN216240482 U CN 216240482U
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Abstract
The utility model discloses a water-resisting casing joint connecting structure which comprises a male joint arranged at one end of a water-resisting casing and a female joint arranged at the other end of the water-resisting casing, wherein the male joint and the female joint are spliced, a first inclined sealing ring is arranged at the joint of the inner side of the female joint and the male joint, a second inclined sealing ring matched with the second inclined sealing ring is arranged on the male joint, a slot is connected to the inner side of the female joint, an L-shaped inserting ring matched with the slot is arranged on the male joint, a threaded cylinder is connected to the outer side of the male joint, a fixing bolt is arranged through the side wall of the female joint and screwed into the threaded cylinder in a threaded connection mode, and a guiding device is arranged between the male joint and the female joint in a connecting mode. The utility model has the advantages that: the leakproofness is good, and the direction is convenient for install simple structure.
Description
Technical Field
The utility model relates to the technical field of pipeline connection, in particular to a joint connection structure of a marine riser.
Background
With the gradual increase of offshore oil development areas, the national emphasis begins to develop offshore oil exploitation markets, oil and gas exploration and development are advanced to the sea in a large step, the crossing from the land to the sea is realized, and a land-sea advancing pattern is formed. Before formal drilling in ocean, lake, river and other areas, a group of marine casings with diameters of 762 or 850 or other specifications are generally needed, the length is generally different from 50-200 m according to the regional conditions, the marine casings are mainly used for isolating seawater and the like, and well drilling operation is carried out.
The existing water-proof pipe joint connecting structure is complex in connection, poor in sealing performance, lack of a guide device and inconvenient to install.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a joint connecting structure of a marine riser, which has the advantages of good sealing performance, convenient guiding and installation and simple structure.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a water-resisting casing pipe joint connection structure comprises a male joint and a female joint, wherein the male joint is arranged at one end of a water-resisting casing pipe, the female joint is arranged at the other end of the water-resisting casing pipe, the male joint is spliced with the female joint, an inclined sealing ring I is arranged at the joint of the inner side of the female joint and the male joint, an inclined sealing ring II matched with the inclined sealing ring II is arranged on the male joint, a slot is connected to the inner side of the female joint, an L-shaped inserting ring matched with the slot is arranged on the male joint, a threaded cylinder is connected to the outer side of the male joint, a fixing bolt is arranged in threaded connection through the side wall of the female joint and is screwed in the threaded cylinder, and a guide device is connected between the male joint and the female joint.
Furthermore, the included angle between the first inclined sealing ring and the second inclined sealing ring and the horizontal plane is 60 degrees.
Further, the two thread cylinders form an included angle of 180 degrees.
Furthermore, the guiding device comprises a guide rail connected with the extending end of the female connector, a guide groove is formed in the guide rail, and a guide strip matched with the guide groove is arranged on the male connector.
Furthermore, a transverse sealing ring is arranged on the L-shaped inserting ring.
Compared with the prior art, the utility model has the advantages that: when the plug-in type pipe joint is used, the male joint is inserted into the female joint, the inclined sealing ring I is attached to the inclined sealing ring II, the L-shaped inserting ring is inserted into the inserting groove, the transverse sealing ring further plays a role in sealing, the fixing bolt penetrates through the side wall of the female joint and is screwed into the threaded cylinder in a threaded mode to play a role in fixing, and in the plug-in process, the guide strip slides in the guide groove in the guide rail to prevent deviation.
Drawings
Fig. 1 is a front view structural diagram of a joint connection structure of a riser according to the present invention.
Fig. 2 is a schematic view of a region a of a riser joint connection structure according to the present invention.
Fig. 3 is a cross-sectional view of a guide rail portion of a riser joint connection structure of the present invention.
As shown in the figure: 1. a male connector; 2. a female joint; 3. a first inclined sealing ring; 4. a second inclined sealing ring; 5. a slot; 6. an L-shaped insert ring; 7. a transverse sealing ring; 8. a threaded barrel; 9. fixing the bolt; 10. a guide rail; 11. a guide groove; 12. and (4) a guide strip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the accompanying drawings 1 to 3, the marine riser joint connection structure comprises a male joint 1 and a female joint 2, wherein the male joint 1 is arranged at one end of a marine riser sleeve, the female joint 2 is arranged at the other end of the marine riser sleeve, the male joint 1 is connected with the female joint 2 in an inserting mode, a first inclined sealing ring 3 is arranged at the joint of the inner side of the female joint 2 and the male joint 1, a second inclined sealing ring 4 matched with the second inclined sealing ring 4 is arranged on the male joint 1, a slot 5 is connected to the inner side of the female joint 2, an L-shaped inserting ring 6 matched with the slot 5 is arranged on the male joint 1, a threaded cylinder 8 is connected to the outer side of the male joint 1, a fixing bolt 9 penetrates through the side wall of the female joint 2 and is screwed into the threaded cylinder 8 in a threaded connection mode, and a guiding device is connected between the male joint 1 and the female joint 2.
The included angle between the inclined sealing ring I3 and the inclined sealing ring II 4 and the horizontal plane is 60 degrees.
The two thread cylinders 8 are arranged at an included angle of 180 degrees.
The guiding device comprises a guiding rail 10 connected with the extending end of the female connector 2, a guiding groove 11 is arranged in the guiding rail 10, and a guiding strip 12 matched with the guiding groove 11 is arranged on the male connector 1.
And a transverse sealing ring 7 is arranged on the L-shaped insert ring 6.
The specific implementation mode of the utility model is as follows: when the anti-deviation plug-in connector is used, the male connector 1 is inserted into the female connector 2, the inclined sealing ring I3 is attached to the inclined sealing ring II 4, the L-shaped inserting ring 6 is inserted into the inserting groove 5, the transverse sealing ring 7 further plays a role in sealing, the fixing bolt 9 penetrates through the side wall of the female connector 2 and is screwed into the threaded cylinder 8 in a threaded manner to play a role in fixing, and in the plugging-in process, the guide strip 12 slides in the guide groove 11 in the guide rail 10 to prevent deviation.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a water-stop casing pipe joint connection structure, is including male joint (1) of locating water-stop pipe cover one end and female joint (2) of locating the water-stop pipe cover other end, its characterized in that: the male connector (1) and the female connector (2) are connected in an inserting mode, a first inclined sealing ring (3) is arranged at the joint of the inner side of the female connector (2) and the male connector (1), a second inclined sealing ring (4) matched with the first inclined sealing ring (3) is arranged on the male connector (1), a slot (5) is connected to the inner side of the female connector (2), an L-shaped inserting ring (6) matched with the slot (5) is arranged on the male connector (1), a threaded cylinder (8) is connected to the outer side of the male connector (1), a fixing bolt (9) is connected to the inner thread of the threaded cylinder (8) in a penetrating mode through the side wall of the female connector (2) and in a screwing mode, and a guiding device is connected between the male connector (1) and the female connector (2).
2. The riser joint connection structure according to claim 1, wherein: the included angle between the inclined sealing ring I (3) and the inclined sealing ring II (4) and the horizontal plane is 60 degrees.
3. The riser joint connection structure according to claim 1, wherein: the two threaded cylinders (8) form an included angle of 180 degrees.
4. The riser joint connection structure according to claim 1, wherein: the guiding device comprises a guide rail (10) which is connected with the extending end of the female connector (2), a guide groove (11) is arranged in the guide rail (10), and a guide strip (12) matched with the guide groove (11) is arranged on the male connector (1).
5. The riser joint connection structure according to claim 1, wherein: and a transverse sealing ring (7) is arranged on the L-shaped insert ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072667.7U CN216240482U (en) | 2021-12-09 | 2021-12-09 | Water-proof casing joint connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072667.7U CN216240482U (en) | 2021-12-09 | 2021-12-09 | Water-proof casing joint connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216240482U true CN216240482U (en) | 2022-04-08 |
Family
ID=80962401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123072667.7U Active CN216240482U (en) | 2021-12-09 | 2021-12-09 | Water-proof casing joint connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216240482U (en) |
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2021
- 2021-12-09 CN CN202123072667.7U patent/CN216240482U/en active Active
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