CN106989241B - Flexible pipe joint with functional unit - Google Patents
Flexible pipe joint with functional unit Download PDFInfo
- Publication number
- CN106989241B CN106989241B CN201710335257.6A CN201710335257A CN106989241B CN 106989241 B CN106989241 B CN 106989241B CN 201710335257 A CN201710335257 A CN 201710335257A CN 106989241 B CN106989241 B CN 106989241B
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- China
- Prior art keywords
- sealing
- joint
- flexible pipe
- sealing wedge
- functional unit
- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/18—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
- F16L33/222—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the external piece comprising segments pressed against the hose by wedge shaped elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
- F16L33/223—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0616—Joints for connecting tubing to casing
Abstract
The invention provides a flexible pipe joint with a functional unit, which solves the technical problem that the prior traditional joint form can not meet the use requirement of the flexible pipe with the functional unit, and comprises a joint body, wherein a fluid channel is arranged in the joint body; the connector body wall is internally provided with one or more reserved channels, one end of each reserved channel is opened at the tail end of the inserted tube part, the other end of each reserved channel is opened on the outer side wall of the connector body far away from the inserted tube part, the reserved channels are internally provided with transition function units, and two ends of each transition function unit are respectively arranged at openings at two ends of each reserved channel. The invention can be widely applied to flexible pipe joints with functional units.
Description
Technical Field
The invention relates to a flexible pipe joint, in particular to a flexible pipe joint with a functional unit.
Background
With the exploitation, storage and transportation of a large amount of land and ocean oil gas, corrosive media, mineralizers and halogens in the oil gas have great corrosion effect on the conveying steel pipe, and the conveying steel pipe needs to be replaced in 2-3 years. As a new product in the oil and gas transmission industry, the flexible pipe has the advantages of good corrosion resistance, good flexibility, light weight, easiness in laying and the like compared with a steel pipe, and at present, more and more oil fields begin to use the flexible pipe to replace the steel pipe. Due to the special manufacturing process of the flexible pipe, the flexible pipe can be added with functional units, namely units such as optical fibers and cables are arranged in the flexible pipe structure, so that power supply, state monitoring and the like of flexible pipe connecting equipment are achieved.
As the maximum continuous length of a single flexible pipe is limited, an intermediate joint is inevitably required to be additionally arranged, the technical difficulty of adding a functional unit in the flexible pipe is improved, and the maximum difficulty in realizing the technology lies in the treatment of the intermediate joint, not only the integral strength, the safety performance and the sealing performance of the joint are ensured, but also the integrity of the optical fiber and the cable is ensured. The current flexible pipe joint modes can be divided into the following modes: threaded connection, buckling connection, hot melt sleeve connection, mechanical connection, umbilical cable connection and the like. The pipeline joint needs to be rotated by adopting threaded connection, and the functional unit is generally fragile, cannot rotate along with the functional unit and is easily torn off; the functional units close to the outer layer are easily broken by buckling and pressing connection; the optical fiber unit is easy to be damaged by overheating by adopting the hot melting sleeve for connection; the sealing performance of the joint cannot be ensured by adopting the traditional mechanical connection; the umbilical cable is adopted for connection, the joint structure is very complex, the size is overlarge, and the application range of pipeline products is limited.
Disclosure of Invention
The invention aims at the defects of the prior art and provides a flexible pipe joint with a functional unit, which has a simple structure and is safe and reliable.
The technical scheme adopted by the invention for solving the technical problem is as follows: the invention provides a flexible pipe joint with a functional unit, which comprises a joint body, wherein a fluid channel is arranged in the joint body, one end of the joint body is provided with an inner inserting barrel part which can be inserted into an opening of a flexible pipe, the outer circumference of the inner inserting barrel part is provided with one or more annular sealing wedge blocks, the outer circumference of each sealing wedge block is provided with an annular joint outer sleeve, the shape of the inner wall of each joint outer sleeve is matched with that of the outer wall of each sealing wedge block and is tightly matched with the outer wall of each sealing wedge block, and the flexible pipe can be sealed and fixed on the inner inserting barrel part by extruding the sealing wedge blocks through the elastic fastening force of the joint outer sleeves; one or more reserved channels are arranged in the wall of the joint body, one end of each reserved channel is opened at the tail end of the inner inserting barrel part, the other end of each reserved channel is opened on the outer side wall of the joint body far away from the direction of the inner inserting barrel part, a transition function unit is arranged in each reserved channel, and two ends of each transition function unit are respectively arranged at openings at two ends of each reserved channel.
Preferably, the sealing wedges are arranged in a stepped manner along the axial direction in the inner socket part, and the included angle between the sealing wedges and the axial direction in the inner socket part is gradually reduced.
Preferably, the sealing wedge block is also provided with an annular platform; be equipped with the bolt in the joint overcoat, bolt through joint overcoat, and the bolt bottom is tightly supported on annular platform and joint body lateral wall.
Preferably, the number of the sealing wedges is three, and the sealing wedges are respectively a first sealing wedge, a second sealing wedge and a third sealing wedge, the first sealing wedge, the second sealing wedge and the third sealing wedge are distributed in a stepped manner along the direction of the inner axis of the inner inserting barrel, included angles between the first sealing wedge, the second sealing wedge and the third sealing wedge and the inner axis of the inner inserting barrel are respectively alpha, beta and gamma, and the numerical values of the angles alpha, beta and gamma are respectively 10 degrees, 5 degrees and 3 degrees; still be equipped with first annular platform on the first sealed voussoir, still be equipped with second annular platform on the second sealed voussoir, still be equipped with third annular platform on the third sealed voussoir.
Preferably, a reserved assembly annular groove is formed in the joint of the joint outer sleeve and the tail end of the first sealing wedge block.
Preferably, the functional unit is buried in the wall of the flexible pipe, and the functional unit consists of one or more wires and is in a spiral coil structure around the central axis of the flexible pipe.
Preferably, the two ends of the transition function unit are respectively provided with a first conical seal and a second conical seal, the second conical seal is connected with the function unit through a quick transition joint, and the second conical seal is connected with the quick transition joint in a clamping manner.
Preferably, the first conical seal and the second conical seal taper at 2 ° to 6 °.
Preferably, the outer wall of the inner inserting cylinder part is provided with one or more annular grooves, and the annular grooves are provided with sealing gaskets.
Preferably, the other end of the joint body is also provided with a flange connecting part, and the flange connecting part is provided with a flange connecting hole and an O-shaped ring groove.
The invention has the beneficial effects that: the invention provides a flexible pipe joint with a functional unit, which is simple in structure, overcomes the defect that the traditional joint form cannot meet the use requirement of a flexible pipe with the functional unit, can realize high-pressure sealing, ensures the integral strength, safety performance and sealing performance of the joint, ensures the integrity of optical fibers and cables, realizes the perfect fusion of the functional unit in the flexible pipe, further expands the advantages and application range of the flexible pipe, and provides a necessary foundation for optimizing the equipment layout in oil and gas exploitation, monitoring the state of a pipeline in real time and realizing the datamation and remote management of the application of the flexible pipe.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
FIG. 3 is a partial enlarged view of portion B of FIG. 1;
FIG. 4 is a partial enlarged view of portion C of FIG. 1;
FIG. 5 is an enlarged view of the sealing wedge of FIG. 1;
FIG. 6 is a schematic view of the construction of the present invention assembled with a flexible tube with a functional unit;
fig. 7 is a partially enlarged view of a portion D of fig. 6.
The symbols in the drawings illustrate that: 1. a connector body; 2. a fluid channel; 3. a flexible tube; 4. an insertion cylinder part; 5. sealing the wedge block; 51. a first sealing wedge; 52. a second sealing wedge; 53. a third sealing wedge; 6. a joint housing; 7. reserving a channel; 8. a transition function unit; 9. an annular platform; 91. a first annular platform; 92. a second annular platform; 93. a third annular platform; 10. a bolt; 11. reserving an assembly annular groove; 12. a functional unit; 131. a first cone seal; 132. second taper sealing; 14. a fast transition joint; 15. an annular groove; 16. a sealing gasket; 17. a flange connection; 18. connecting holes of the flanges; and 19. O-shaped ring groove.
Detailed Description
The invention is further described below in conjunction with the drawings and the specific embodiments to assist in understanding the contents of the invention. The method used in the invention is a conventional method if not specially specified; the products used, unless otherwise specified, are conventional commercial products.
As shown in fig. 1 to 7, the present invention provides a flexible pipe joint with a function unit, which comprises a joint body (1), wherein a fluid passage (2) is arranged inside the joint body (1). One end of the joint body (1) is provided with an inserted cylinder part (4) which can be inserted into an opening of the flexible pipe (3), the outer periphery of the inserted cylinder part (4) is provided with 3 annular sealing wedges (5) which are a first sealing wedge (51), a second sealing wedge (52) and a third sealing wedge (53), and the sealing wedges (5) adopt a separated structure, so that the processing, the installation and the disassembly are convenient; the first sealing wedge block (51), the second sealing wedge block (52) and the third sealing wedge block (53) are distributed in a step mode along the central axis direction of the inserted cylinder part (4), included angles between the first sealing wedge block and the central axis of the inserted cylinder part (4) are respectively alpha, beta and gamma, the alpha, beta and gamma angle values are respectively 10 degrees, 5 degrees and 3 degrees, the sealing wedge blocks (5) are arranged in a step mode, and stable load transition is facilitated; a first annular platform (91) is arranged on the first sealing wedge block (51), a second annular platform (92) is arranged on the second sealing wedge block (52), and a third annular platform (93) is arranged on the third sealing wedge block (53).
The periphery of the sealing wedge block (5) is provided with an annular joint outer sleeve (6), and the shape of the inner wall of the joint outer sleeve (6) is matched with the shape of the outer wall of the sealing wedge block (5) and is tightly matched with the outer wall of the sealing wedge block. Be equipped with a plurality of bolt (10) in connecting overcoat (6), bolt (10) through-connection overcoat (6), and bolt (10) bottom is tight respectively to be supported on first annular platform (91), second annular platform (92), third annular platform (93) and joint body (1) lateral wall. Elasticity fastening through bolt (10) is crowded, make on the one hand connect overcoat (6) and sealed voussoir (5) zonulae occludens, and then make sealed voussoir (5) friction locking flexible pipe (3), make it sealed fix on interpolation section of thick bamboo portion (4), realize overall structure's sealed, on the other hand has guaranteed to connect bulk strength, the security performance, sealing performance, the third, in the installation, sealed voussoir (5) friction locking flexible pipe (3), flexible pipe (3) atress is even, be difficult to press functional unit (12) in the broken tube.
The functional unit (12) embedded in the wall of the flexible pipe (3) is composed of 4 mutually isolated wires, the 4 wires are respectively in a spiral coil structure around the central axis of the flexible pipe (3), penetrate out of the end part of the flexible pipe (3) and are respectively connected with the quick transition joint (14); the spiral coil structure of the functional unit (12) in the flexible pipe (3) avoids the problems of mutual interference or winding and the like between traditional leads on one hand, and on the other hand, when the flexible pipe (3) is bent and deformed, the functional unit (12) is not easy to break. The connector comprises a connector body (1), wherein 4 reserved channels (7) are correspondingly arranged in the wall of the connector body (1), one end of each reserved channel (7) is opened at the tail end of an inserted cylinder part (4), the other end of each reserved channel (7) is opened on the outer side wall of the connector body (1) far away from the inserted cylinder part (4), a transition function unit (8) is arranged in each reserved channel (7), two ends of each transition function unit (8) are respectively connected with a first conical seal (131) and a second conical seal (132) which are arranged at the opening of each reserved channel (7), and the conicity of each first conical seal (131) and each second conical seal (132) ranges from 2 degrees to 6 degrees (the conicity is the included angle between the conical surface of each conical seal and the central axis of each conical seal). The first conical seal (131) is arranged on the outer side wall of the joint body (1) and can be connected with an external measuring instrument; sealed (132) of second cone and the quick transition joint (14) the one-to-one block connection of 4 wires that are connected with functional unit (12), on the one hand quick transition joint (14) have guaranteed the convenience of installation, on the other hand first cone is sealed (131) and sealed (132) of second cone have guaranteed that sealing performance is intact, the third makes functional unit (12) reserve certain flexible volume, can guarantee that flexible pipe (3) can not destroy functional unit (12) bearing the in-process that external load takes place to warp, the bearing capacity of flexible pipe joint has been promoted.
According to the invention, the reserved assembly annular groove (11) is formed in the joint of the joint outer sleeve (6) and the tail end of the first sealing wedge block (51), and reasonable machining errors of the joint outer sleeve (6), the sealing wedge block (5) and the bolt (10) in the installation process are considered, so that the installation is more convenient and efficient.
One or more annular grooves (15) are formed in the outer wall of the inner inserting cylinder part (4), sealing gaskets (16) are arranged in the annular grooves (15), and the sealing performance of the inner inserting cylinder part (4) and the flexible pipe (3) is improved; preferably, the sealing gasket (16) is made of a nitrile rubber material.
The other end of the joint body (1) is also provided with a flange connecting part (17), and the flange connecting part (17) is provided with a flange connecting hole (18) and an O-shaped ring groove (19) and is connected with another flexible pipe.
The working principle of the invention is as follows: the invention adopts a friction locking mode of the sealing wedge block (5), realizes the sealing of the whole structure through the compression bolt (10), realizes the transition of the functional units from inside to outside through the reserved channel (7), and ensures the pressure-bearing capacity of the whole structure by adopting the first conical seal (131) and the second conical seal (132) at the two ends of the reserved channel (7) respectively. The invention solves the problems of sealing and integrity of the flexible pipe with the functional unit by adopting a friction locking and conical sealing mode. By adopting the mode, a certain expansion amount can be reserved in the functional unit (12), so that the functional unit (12) can not be damaged when the flexible pipe (3) bears the deformation of an external load.
However, the above embodiments are only examples of the present invention, and the scope of the present invention should not be limited thereby, and the substitution of equivalent elements or the equivalent changes and modifications made according to the scope of the present invention should be covered by the claims.
Claims (4)
1. A flexible pipe joint with a function unit comprises a joint body (1), wherein a fluid channel (2) is arranged in the joint body (1), and one end of the joint body (1) is provided with an inserted cylinder part (4) which can be inserted into an opening of a flexible pipe (3); the flexible pipe joint is characterized in that one or more annular sealing wedges (5) are arranged on the outer periphery of the inner inserting tube part (4) in the circumferential direction, annular joint outer sleeves (6) are arranged on the outer peripheries of the sealing wedges (5) in the circumferential direction, the shapes of the inner walls of the joint outer sleeves (6) are matched with the shapes of the outer walls of the sealing wedges (5) and are tightly matched with the outer walls of the sealing wedges, and the sealing wedges (5) are extruded by the elastic fastening force of the joint outer sleeves (6) so that the flexible pipe (3) can be fixed on the inner inserting tube part (4) in a sealing mode; one or more reserved channels (7) are arranged in the wall of the joint body (1), one end of each reserved channel (7) is opened at the tail end of the inserted cylinder part (4), the other end of each reserved channel (7) is opened on the outer side wall of the joint body (1) far away from the inserted cylinder part (4), a transition function unit (8) is arranged in each reserved channel (7), and two ends of each transition function unit (8) are respectively arranged at openings at two ends of each reserved channel (7);
a first conical seal (131) and a second conical seal (132) are respectively arranged at two ends of the transition function unit (8), the second conical seal (132) is connected with the function unit (12) through a quick transition joint (14), and the second conical seal (132) is connected with the quick transition joint (14) in a clamping manner;
the sealing wedges (5) are distributed in a step-shaped manner along the central axis direction of the inserted cylinder part (4), and the included angle between the sealing wedges and the central axis of the inserted cylinder part (4) is gradually reduced;
an annular platform (9) is also arranged on the sealing wedge block (5); a bolt (10) is arranged in the joint outer sleeve (6), the bolt (10) penetrates through the joint outer sleeve (6), and the bottom of the bolt (10) is tightly propped against the annular platform (9) and the outer side wall of the joint body (1);
the number of the sealing wedges (5) is three, the sealing wedges are respectively a first sealing wedge (51), a second sealing wedge (52) and a third sealing wedge (53), the first sealing wedge (51), the second sealing wedge (52) and the third sealing wedge (53) are distributed in a stepped manner along the central axis direction of the inserted tube part (4), included angles between the first sealing wedge (51), the second sealing wedge (52) and the third sealing wedge (53) and the central axis of the inserted tube part (4) are respectively alpha, beta and gamma, and the angle values of the alpha, beta and gamma are respectively 10 degrees, 5 degrees and 3 degrees; a first annular platform (91) is further arranged on the first sealing wedge block (51), a second annular platform (92) is further arranged on the second sealing wedge block (52), and a third annular platform (93) is further arranged on the third sealing wedge block (53);
a reserved assembly annular groove (11) is formed in the joint of the joint outer sleeve (6) and the tail end of the first sealing wedge block (51);
functional unit (12) are buried underground in flexible tube (3) pipe wall, functional unit (12) comprise one or more wire, and center on flexible tube (3) axis is spiral coil structure.
2. A flexible pipe joint with functional unit according to claim 1, characterized in that the first conical seal (131) and the second conical seal (132) are tapered at 2 ° to 6 °.
3. Flexible pipe joint with functional unit according to claim 1, characterized in that the outer wall of the inner insert cylinder (4) is provided with one or more annular grooves (15), the annular grooves (15) being provided with sealing gaskets (16).
4. The flexible pipe joint with the function unit as claimed in claim 1, wherein the other end of the joint body (1) is further provided with a flange connecting portion (17), and the flange connecting portion (17) is provided with a flange connecting hole (18) and an O-ring groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710335257.6A CN106989241B (en) | 2017-05-12 | 2017-05-12 | Flexible pipe joint with functional unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710335257.6A CN106989241B (en) | 2017-05-12 | 2017-05-12 | Flexible pipe joint with functional unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106989241A CN106989241A (en) | 2017-07-28 |
| CN106989241B true CN106989241B (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710335257.6A Active CN106989241B (en) | 2017-05-12 | 2017-05-12 | Flexible pipe joint with functional unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106989241B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118716B (en) * | 2017-12-21 | 2021-01-08 | 国网江苏省电力公司泰州供电公司 | Anti-blocking structure for power pipeline and construction method of anti-blocking structure |
| CN108429205B (en) * | 2018-03-29 | 2024-01-23 | 威海纳川管材有限公司 | Intelligent composite flexible pipe joint sheath |
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| CN1043779A (en) * | 1988-12-19 | 1990-07-11 | 海科模制品有限公司 | The watertight connector that is used for nonmetal conduit of pliability and pliability nonmetallic pipe |
| DE19702289A1 (en) * | 1997-01-23 | 1998-08-06 | Oventrop Sohn Kg F W | Arrangement for plug-in connection of pipe or hose with valve or fittings |
| EP1067324A1 (en) * | 1999-07-09 | 2001-01-10 | Comap Abbeville S.A. | Quick-connect coupling for composite tubing with metallic core |
| EP1178255A2 (en) * | 2000-06-28 | 2002-02-06 | Pegler Limited | Tube coupling |
| CN1502155A (en) * | 2001-12-13 | 2004-06-02 | Bsh博施及西门子家用器具有限公司 | Conduit bushing |
| CN102121547A (en) * | 2010-12-23 | 2011-07-13 | 拉卡萨安吉拉股份有限公司 | Bushing for pipe joint and pipe joint adopting bushing |
| CN102620080A (en) * | 2012-04-19 | 2012-08-01 | 杭州欧佩亚海洋工程有限公司 | Lining pipe joint of marine oil pipeline |
| CN103791183A (en) * | 2014-03-07 | 2014-05-14 | 杭州欧佩亚海洋工程有限公司 | Pipe joint for non-metal submarine pipeline |
| CN203724678U (en) * | 2014-01-27 | 2014-07-23 | 济南同日数控设备有限公司 | External fire-fighting multi-medium quick coupling |
| CN203798593U (en) * | 2014-01-24 | 2014-08-27 | 上海敏泰液压股份有限公司 | Rotary joint used for air filter detection system |
| CN105333247A (en) * | 2015-11-06 | 2016-02-17 | 安东检测有限公司 | Sealing connector, connecting pipe and pipeline |
| CN206682472U (en) * | 2017-05-12 | 2017-11-28 | 威海纳川管材有限公司 | A kind of flexible pipe joint with functional unit |
-
2017
- 2017-05-12 CN CN201710335257.6A patent/CN106989241B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043779A (en) * | 1988-12-19 | 1990-07-11 | 海科模制品有限公司 | The watertight connector that is used for nonmetal conduit of pliability and pliability nonmetallic pipe |
| DE19702289A1 (en) * | 1997-01-23 | 1998-08-06 | Oventrop Sohn Kg F W | Arrangement for plug-in connection of pipe or hose with valve or fittings |
| EP1067324A1 (en) * | 1999-07-09 | 2001-01-10 | Comap Abbeville S.A. | Quick-connect coupling for composite tubing with metallic core |
| EP1178255A2 (en) * | 2000-06-28 | 2002-02-06 | Pegler Limited | Tube coupling |
| CN1502155A (en) * | 2001-12-13 | 2004-06-02 | Bsh博施及西门子家用器具有限公司 | Conduit bushing |
| CN102121547A (en) * | 2010-12-23 | 2011-07-13 | 拉卡萨安吉拉股份有限公司 | Bushing for pipe joint and pipe joint adopting bushing |
| CN102620080A (en) * | 2012-04-19 | 2012-08-01 | 杭州欧佩亚海洋工程有限公司 | Lining pipe joint of marine oil pipeline |
| CN203798593U (en) * | 2014-01-24 | 2014-08-27 | 上海敏泰液压股份有限公司 | Rotary joint used for air filter detection system |
| CN203724678U (en) * | 2014-01-27 | 2014-07-23 | 济南同日数控设备有限公司 | External fire-fighting multi-medium quick coupling |
| CN103791183A (en) * | 2014-03-07 | 2014-05-14 | 杭州欧佩亚海洋工程有限公司 | Pipe joint for non-metal submarine pipeline |
| CN105333247A (en) * | 2015-11-06 | 2016-02-17 | 安东检测有限公司 | Sealing connector, connecting pipe and pipeline |
| CN206682472U (en) * | 2017-05-12 | 2017-11-28 | 威海纳川管材有限公司 | A kind of flexible pipe joint with functional unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106989241A (en) | 2017-07-28 |
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