CN211145688U - Sealing assembly for connecting sea pipes - Google Patents
Sealing assembly for connecting sea pipes Download PDFInfo
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- CN211145688U CN211145688U CN201922005597.XU CN201922005597U CN211145688U CN 211145688 U CN211145688 U CN 211145688U CN 201922005597 U CN201922005597 U CN 201922005597U CN 211145688 U CN211145688 U CN 211145688U
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- sealing ring
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Abstract
The utility model discloses a submarine pipeline connecting and sealing assembly, which comprises a first connector, a second connector and a sealing ring, wherein the first end of the first connector is respectively used for being connected with the end part of a submarine pipeline; the second end of the first joint is in opposite fit connection with the second end of the second joint; the sealing ring is clamped on the inner side of the joint of the first joint and the second joint, and the two opposite end parts of the sealing ring are respectively in contact fit with the inner peripheral side surface of the second end of the first joint and the inner peripheral side surface of the second end of the second joint. The utility model discloses a sealing component is connected to the sea pipe for the connection of sea pipe and realize that the sea pipe is quick effective sealed when connecting. The first joint and the second joint are in butt joint, the sealing action of the sealing ring in the first joint and the second joint can be completed simultaneously, the operation of independently installing the sealing ring underwater is not needed, and the sealing process is simple and convenient. The utility model discloses can not only be operated by the diver and use in 300 meters interior dive field, also can be operated and used by ROV in 300 meters above deep water field.
Description
Technical Field
The utility model relates to a sea pipe maintenance technical field especially relates to a sea pipe connection seal assembly.
Background
In recent years, the number of deepwater marine pipes is increasing, and accidents of marine pipe damage are more and more frequent due to the long years of marine pipe design and construction, pipeline corrosion, towing of trawlers and the like. Once the sea pipe is damaged, the sea pipe brings huge threats to the production of marine environment and oil and gas fields. The maintenance mode of the submarine pipeline accompanied by the sudden damage of the submarine pipeline is generally to replace the submarine pipeline at the damaged section, and the connection mode between the new submarine pipeline and the old submarine pipeline after the submarine pipeline is replaced is flange connection.
At present, the sea pipe connecting flange within 300 meters of water depth is sealed by adopting an annular common sealing ring with an octagonal cross section, a diver is required to manually place the sealing ring into a flange sealing groove in the flange connecting process, and the installation efficiency is low. The flanges are connected through bolts, so that the sealing failure risks exist, and the flanges cannot be used in the deep water field of more than 300 meters.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a sealed marine vessel connection seal assembly is connected to marine vessel that is suitable for within 300 meters of water depth and more than 300 meters of water depth.
The utility model provides a technical scheme that its technical problem adopted is: the sea pipe connecting and sealing assembly comprises a first joint, a second joint and a sealing ring, wherein the first end of the first joint is respectively used for being connected to the end part of a sea pipe;
the second end of the first joint is in opposite fit connection with the second end of the second joint; the sealing ring is clamped on the inner side of the joint of the first joint and the second joint, and the two opposite end parts of the sealing ring are respectively in contact fit with the inner peripheral side surface of the second end of the first joint and the inner peripheral side surface of the second end of the second joint.
Preferably, a flange is arranged on the second end face of the first joint, and a groove matched with the flange is arranged on the second end face of the second joint; the first connector is in opposite fit connection with the second connector through the flange fitting in the groove.
Preferably, a first step part protruding outwards in the radial direction is arranged at the second end part of the first joint, and a second step part protruding outwards in the radial direction is arranged at the second end part of the second joint; after the flange is matched with the groove oppositely, the first step part and the second step part are connected to form a joint of the first joint and the second joint.
Preferably, the inner peripheral side surface of the second end of the first joint is provided with a first inclined surface for contacting and matching with one end of the sealing ring; and the inner peripheral side surface of the second end part of the second joint is provided with a second inclined surface which is used for being in contact fit with the other end part of the sealing ring.
Preferably, the sealing ring comprises a ring body and a clamping ring convexly arranged on the peripheral side surface of the ring body;
the first inclined plane is provided with an inwards concave clamping groove, and the clamping ring is clamped in the clamping groove.
Preferably, the end parts of the two opposite ends of the ring body are respectively provided with a chamfer part which is in contact fit with the first inclined plane and the second inclined plane.
Preferably, the clamping ring is further provided with a plurality of elastic convex teeth distributed at intervals along the circumferential direction of the clamping ring; one end of the elastic convex tooth is connected to the clamping ring, and the other end of the elastic convex tooth obliquely extends outwards along the circumferential direction of the clamping ring.
Preferably, a notch is formed in the position, corresponding to the elastic convex tooth, of the clamping ring, and the elastic convex tooth can be pressed into the notch.
Preferably, the width of the flange gradually decreases from one end of the end face to which it is connected to the opposite end.
Preferably, the first joint comprises a first connecting section, a first matching section with a larger diameter than the first connecting section, and a first transition section connected between the first connecting section and the first matching section; the first connecting section forms a first end of the first joint and the first mating section forms a second end of the first joint;
the second joint comprises a second connecting section, a second matching section with the diameter larger than that of the second connecting section, and a second transition section connected between the second connecting section and the second matching section; the second connecting section forms a first end of the second joint and the second mating section forms a second end of the second joint.
The utility model discloses a sealing component is connected to the sea pipe for the connection of sea pipe and realize that the sea pipe is quick effective sealed when connecting. The first joint and the second joint are in butt joint, the sealing action of the sealing ring in the first joint and the second joint can be completed simultaneously, the operation of independently installing the sealing ring underwater is not needed, and the sealing process is simple and convenient. The utility model discloses can not only be operated by the diver and use in 300 meters interior dive field, also can be operated and used by ROV in 300 meters above deep water field.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic cross-sectional view of a marine pipe connection sealing assembly according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the junction of the first joint and the second joint shown in section A of FIG. 1;
fig. 3 is a schematic cross-sectional view of a first joint of the marine vessel connection sealing assembly according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a second joint of the marine vessel connection sealing assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a sealing ring in the marine pipe connecting and sealing assembly according to an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the marine pipe connection sealing assembly according to an embodiment of the present invention includes a first joint 10 and a second joint 20 that can be coupled with each other in a relatively mating manner, and a sealing ring 30.
The first connector 10 has opposite first and second ends, and the second connector 20 also has opposite first and second ends. The first end of the first connector 10 and the first end of the second connector 20 are respectively used for connecting to the ends of two marine pipes, and the second end of the first connector 10 is oppositely matched and connected with the second end of the second connector 20, so that the two marine pipes are butted. The seal ring 30 is clamped inside (inner ring) the joint of the first joint 10 and the second joint 20, and opposite end portions of the seal ring 30 are respectively in contact fit with the second-end inner peripheral side surface of the first joint 10 and the second-end inner peripheral side surface of the second joint 20.
The second end face of the first joint 10 is provided with a flange 41, and the second end face of the second joint 20 is provided with a groove 42 matched with the flange 41; the first connector 10 is connected with the second connector 20 in an opposite fit manner by the flange 41 fitting in the groove 42.
The shape of the flange 41 and the groove 42 are correspondingly arranged. Preferably, the flange 41 is configured to have a guiding function, so that a certain guiding function is provided when the first joint 10 and the second joint 20 are butted, a certain joint connection error can be corrected, and efficiency is improved. In this embodiment, as shown in fig. 1 and 2, the flange 41 has a trapezoidal structure, that is, the width of the flange 41 gradually decreases from one end of the end surface where the flange is connected to the end surface to the other end of the end surface; the groove 42 is correspondingly also a trapezoidal groove.
Further, the inner peripheral side surface of the second end portion of the first joint 10 is provided with a first inclined surface 101 for contact fitting with an end portion of the seal ring 30; the inner peripheral side surface of the second end portion of the second joint 20 is provided with a second inclined surface for contacting and matching with the other end portion of the sealing ring 30 to realize sealing. The first inclined surface 101 is inclined outward with respect to the central axis of the first joint 10 so that the second end port of the first joint 10 assumes a gradually widened flare shape. Likewise, the second inclined surface 201 is inclined outward with respect to the central axis of the second joint 20, so that the second end port of the second joint 20 also exhibits a gradually widened flare shape.
The first inclined surface 101 and the second inclined surface 201 are connected at the inner side of the joint of the first joint 10 and the second joint 20, the sealing ring 30 is arranged between the first inclined surface 101 and the second inclined surface 201, and the two end parts can be respectively abutted against the first inclined surface 101 and the second inclined surface 201 to respectively form interference fit, so that the sealing between the end part of the sealing ring 30 and the corresponding inclined surface is realized.
Further, the second end portion of the first joint 10 is provided with a first step portion 102 protruding radially outward, and the second end portion of the second joint 20 is provided with a second step portion 202 protruding radially outward. After the flange 41 is oppositely matched with the groove 42, the first step part 102 and the second step part 202 are connected to form a joint of the first joint 10 and the second joint 20.
The first step portion 102 is arranged in a protruding manner on the first joint 10, the second step portion 202 is arranged in a protruding manner on the second joint 20, and after the first joint 10 and the second joint 20 are in butt joint, the joint formed by the butt joint of the two step portions facilitates the subsequent clamping of the external flange and then the connection and the locking.
The first inclined surface 101 is provided on the inner peripheral side surface of the first stepped portion 102, and the second inclined surface 201 is provided on the second stepped portion 202. In addition, in this embodiment, the end face where the flange 41 is located is also the end face where the first stepped portion 102 faces the second joint 20, and the first inclined surface 101 is on the inner peripheral side surface of the first stepped portion 102 and is in contact with the inner side surface of the flange 41; the end face where the groove 42 is also located is the end face of the second step portion 202 facing the first joint 10, and the second inclined surface 201 is located on the inner peripheral side face of the second step portion 202 and on one side of the groove 42.
Specifically, as shown in fig. 1 and 3, the first joint 10 may include a first connecting section 11, a first transition section 12 and a first mating section 13 which are axially connected. The first connecting section 11 forms a first end of the first joint 10 for connection to an end of a sea pipe. The first mating section 13 forms a second end of the first joint 10, having a diameter greater than that of the first connecting section 11, for interfacing with the second joint 20; the first step portion 102 and the flange 41 are formed on the end and the end face of the first fitting section 13, respectively. The first transition section 12 is connected between the first connecting section 11 and the first matching section 13; the first transition section 12 has a diameter gradually increasing from one end to the other end due to the difference in diameter between the first connecting section 11 and the first fitting section 13.
As shown in fig. 1 and 4, the second joint 20 may include a second connecting section 21, a second transition section 22 and a second mating section 23 that are axially connected. The second connector section 21 forms a first end of the second coupling 20 for connection to an end of a sea pipe. The second fitting section 23 forms a second end of the second joint 20, which has a larger diameter than the second connecting section 23, for abutting with the first fitting section 13 of the first joint 10; the second stepped portion 202 and the groove 42 are formed on the end and the end surface of the second fitting section 23, respectively. The second transition section 22 is connected between the second connecting section 21 and the second mating section 23; the diameter of the second transition section 22 gradually increases from one end to the other end due to the difference in diameter between the second connection section 21 and the second mating section 23.
As shown in fig. 1, 2, and 5, the seal ring 30 is clamped inside (inner ring) the joint of the first joint 10 and the second joint 20, and sealing is achieved by contact-fitting the opposite end portions of the seal ring 30 with the second-end inner peripheral side surface of the first joint 10 and the second-end inner peripheral side surface of the second joint 20, respectively.
The sealing ring 30 may include a ring body 31, and a clamping ring 32 protrudingly provided on an outer circumferential side surface of the ring body 31. The clamping ring 32 is provided to protrude from the outer peripheral side of the ring body 31 so as to divide the ring body 31 into two axially connected segments. Inside the junction of the first joint 10 and the second joint 20, two sections of the ring body 31 correspond to the first bevel 101 and the second bevel 201, respectively, as shown in fig. 2.
Corresponding to the clamping ring 32 of the sealing ring 30, the first inclined plane 101 is provided with a concave clamping groove 103, and the clamping ring 32 is clamped in the clamping groove 103, so that the clamping of the sealing ring 30 at the inner side of the joint is realized.
For sealing between the first inclined plane 101 and the second inclined plane 201, the end portions of the opposite ends of the ring body 31 (also the two end portions of the two segments of the ring body 31) are respectively provided with a chamfered portion 310, and the two chamfered portions 310 are respectively in contact fit with the first inclined plane 101 and the second inclined plane 201. The chamfered portion 310 is preferably a rounded chamfer.
When the sealing ring 30 is mounted, the sealing ring 30 can be fixed inside the first joint 10 by the engagement of the snap ring 32 and the snap groove 103, and one end of the sealing ring 30 abuts against the first inclined surface 101. The second joint 20 and the first joint 10 are butted against each other, and the second inclined surface 201 on the inner side of the second joint 20 and the other end portion of the seal ring 30 are butted against each other, so that the seal ring 30 is sealed on the inner sides of the first joint 10 and the second joint 20.
Furthermore, the clamping ring 32 is provided with a plurality of elastic convex teeth 33 which are distributed at intervals along the circumferential direction. The elastic teeth 33 have one end connected to the clamping ring 32 and the other end extending obliquely outward along the circumferential direction of the clamping ring 32. In the card slot 103, the elastic convex teeth 33 abut against the bottom surface of the card slot 103.
The position of the clamping ring 32 corresponding to the elastic convex tooth 33 is provided with a gap 34, and the elastic convex tooth 33 can be pressed into the gap 34. In this embodiment, the elastic teeth 33 are cut out from the fastening ring 32, and after one end of the elastic teeth 33 formed by cutting is separated from the fastening ring 32, the cut-out 34 is formed at the position on the fastening ring 32. When the elastic convex teeth 33 are pressed into the notches 34, they can form a complete ring structure with the outer peripheral side surface with the clamping ring 32.
As required, as shown in fig. 1, the present invention further comprises two external flanges 50 and at least one set of locking assemblies 60 that can be engaged with each other. The two external flanges 50 are adapted to be fitted to the first connector 10 and the second connector 20, respectively, and the locking assembly 60 is adapted to be inserted between the two external flanges 50 to lock the two external flanges 50 together. The locking assembly 60 may include cooperating bolts and nuts or the like. Specifically, one outer flange 50 is adapted to be fitted on the outer periphery of the first step portion 102 of the first joint 10, and the other outer flange 50 is adapted to be fitted on the second step portion 202 of the second joint 20.
The utility model discloses a when using among the sea pipe connection seal assembly, first cooperate the first end that first joint 10 and second connect 20 respectively on the sea pipe tip and fix through the welding. After the elastic convex teeth 33 on the sealing ring 30 are pressed into the notches 34 of the clamping ring 32, the sealing ring 30 is placed on the inner side of the first connector 10, the clamping ring 32 is clamped into the clamping groove 103, the elastic convex teeth 33 are bounced open to fix the sealing ring 30 on the first connector 10, at the moment, one end part of the sealing ring 30 is in contact with the first inclined plane 101 to form interference fit, the contact position of the end part of the sealing ring 30 and the first inclined plane 101 slightly deforms, and the sealing effect is achieved. The flange 41 of the first connector 10 is then snapped into the groove 42 of the second connector 20 to connect the second ends of the first and second connectors 10 and 20.
Finally, the two external flanges 50 are respectively clamped on the second end ends of the first connector 10 and the second connector 20 and are oppositely matched, and the two external flanges are locked by the locking assembly 60 which is arranged between the two external flanges in a penetrating way. When locking, the other end of the sealing ring 30 can be driven to contact with the second inclined surface 201 to form an interference fit, and the contact position of the end of the sealing ring 30 and the second inclined surface 201 is slightly deformed, so that a sealing effect is achieved. So far, the connection and sealing of the two sea pipes can be completed.
The butt joint of the first joint 10 and the second joint 20, the installation of the external flange 50 and the like can be operated by a diver or an ROV, so that the device is not only suitable for the connection of the sea pipes with the water depth within 300 meters, but also suitable for the connection of the sea pipes in the deep water field of more than 300 meters, and the sealing problem of the sea pipe connection position in the deep water field of more than 300 meters is solved.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A sea pipe connecting and sealing assembly is characterized by comprising a first joint, a second joint and a sealing ring, wherein the first end of the first joint is respectively used for being connected to the end part of a sea pipe;
the second end of the first joint is in opposite fit connection with the second end of the second joint; the sealing ring is clamped on the inner side of the joint of the first joint and the second joint, and the two opposite end parts of the sealing ring are respectively in contact fit with the inner peripheral side surface of the second end of the first joint and the inner peripheral side surface of the second end of the second joint.
2. The marine pipe connection seal assembly of claim 1, wherein the second end face of the first connector is provided with a flange, and the second end face of the second connector is provided with a groove adapted to the flange; the first connector is in opposite fit connection with the second connector through the flange fitting in the groove.
3. The marine pipe joint seal assembly of claim 2, wherein the second end of the first coupling is provided with a first step projecting radially outwardly, and the second end of the second coupling is provided with a second step projecting radially outwardly; after the flange is matched with the groove oppositely, the first step part and the second step part are connected to form a joint of the first joint and the second joint.
4. The marine pipe joint seal assembly according to claim 2, wherein an inner peripheral side surface of the second end portion of the first joint is provided with a first inclined surface for contact engagement with an end portion of the seal ring; and the inner peripheral side surface of the second end part of the second joint is provided with a second inclined surface which is used for being in contact fit with the other end part of the sealing ring.
5. The marine pipe connection seal assembly of claim 4, wherein the seal ring comprises a ring body, a snap ring protrudingly disposed on an outer circumferential side of the ring body;
the first inclined plane is provided with an inwards concave clamping groove, and the clamping ring is clamped in the clamping groove.
6. The marine pipe connection seal assembly of claim 5, wherein the ends of the opposite ends of the ring body are respectively provided with chamfered portions in contact engagement with the first and second inclined surfaces.
7. The marine pipe connection seal assembly of claim 5, wherein said gripping ring further comprises a plurality of resilient fingers circumferentially spaced apart from one another; one end of the elastic convex tooth is connected to the clamping ring, and the other end of the elastic convex tooth obliquely extends outwards along the circumferential direction of the clamping ring.
8. The marine pipe connection seal assembly of claim 7, wherein a notch is formed in the clamping ring at a position corresponding to the elastic protruding tooth, and the elastic protruding tooth can be pressed into the notch.
9. The marine pipe connection seal assembly of claim 2, wherein said flange tapers in width from one end connected to said end face to the opposite end.
10. The marine pipe joint seal assembly of any one of claims 1-9, wherein the first joint comprises a first joint section, a first mating section having a larger diameter than the first joint section, a first transition section connected between the first joint section and the first mating section; the first connecting section forms a first end of the first joint and the first mating section forms a second end of the first joint;
the second joint comprises a second connecting section, a second matching section with the diameter larger than that of the second connecting section, and a second transition section connected between the second connecting section and the second matching section; the second connecting section forms a first end of the second joint and the second mating section forms a second end of the second joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005597.XU CN211145688U (en) | 2019-11-19 | 2019-11-19 | Sealing assembly for connecting sea pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005597.XU CN211145688U (en) | 2019-11-19 | 2019-11-19 | Sealing assembly for connecting sea pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145688U true CN211145688U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922005597.XU Active CN211145688U (en) | 2019-11-19 | 2019-11-19 | Sealing assembly for connecting sea pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778822A (en) * | 2019-11-19 | 2020-02-11 | 深圳海油工程水下技术有限公司 | Sealing assembly for connecting sea pipes |
-
2019
- 2019-11-19 CN CN201922005597.XU patent/CN211145688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778822A (en) * | 2019-11-19 | 2020-02-11 | 深圳海油工程水下技术有限公司 | Sealing assembly for connecting sea pipes |
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Address after: 518067 4th floor, phase I, Shekou science and technology building, Nanhai Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee after: CNOOC Shenzhen Ocean Engineering Technology Service Co.,Ltd. Address before: 518067 4th floor, phase I, Shekou science and technology building, Nanhai Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee before: COOEC SUBSEA TECHNOLOGY Co.,Ltd. |