CN110953420A - Threaded conduit flexible joint - Google Patents
Threaded conduit flexible joint Download PDFInfo
- Publication number
- CN110953420A CN110953420A CN201911321669.XA CN201911321669A CN110953420A CN 110953420 A CN110953420 A CN 110953420A CN 201911321669 A CN201911321669 A CN 201911321669A CN 110953420 A CN110953420 A CN 110953420A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- flexible joint
- sleeves
- threaded conduit
- 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.)
- Pending
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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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/01—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/022—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
Abstract
The invention provides a threaded conduit flexible joint, comprising: the device comprises two pipe sleeves (1), two elastic retainer ring assemblies (2), a sleeve (3), two sealing rings (4) and two retaining sleeves (5); the two pipe sleeves (1) are respectively sleeved on the butt joint interfaces of two to-be-butted guide pipes, the outer ring of the butt joint end of each pipe sleeve (1) is provided with an annular bulge, a groove is formed in each annular bulge, and a sealing ring (4) is arranged in each groove; the sleeve (3) is sleeved on the two pipe sleeves (1) and is contacted with the two sealing rings (4) to form a sealing pair; the two blocking sleeves (5) are respectively used for clamping the annular bulges and the sleeves (3) of the two pipe sleeves (1), and an elastic retainer ring assembly (2) is arranged between the blocking sleeve (5) and the annular bulges. The threaded conduit flexible joint provided by the invention optimizes the sealing, limiting and fixing structures, increases the lap joint structure, and improves the maintainability and reliability of the threaded flexible joint to a greater extent.
Description
Technical Field
The invention relates to the field of mechanical structures, in particular to a threaded conduit flexible joint.
Background
The thread type conduit flexible joint used by the prior aircraft pipeline is limited by the outer sleeve thread during installation and disassembly, and the efficiency is influenced.
Disclosure of Invention
The embodiment of the invention provides a flexible joint of a threaded conduit, which is used for improving the maintainability and the safety of an airplane.
The invention provides a threaded conduit flexible joint, comprising: the two pipe sleeves 1, the two elastic retainer ring assemblies 2, the sleeve 3, the two sealing rings 4 and the two retaining sleeves 5; wherein the content of the first and second substances,
the two pipe sleeves 1 are respectively sleeved on the butt joint interfaces of two to-be-butted guide pipes, the outer ring of the butt joint end of each pipe sleeve 1 is provided with an annular bulge, and the annular bulge is provided with the sealing ring 4;
the sleeve 3 is sleeved on the two pipe sleeves 1 and is in contact with the two sealing rings 4 to form a sealing pair;
the two retaining sleeves 5 are respectively used for clamping the annular protrusions of the two pipe sleeves 1 and the sleeve 3, and an elastic retainer ring assembly 2 is arranged between the retaining sleeves 5 and the annular protrusions.
Optionally, the elastic retainer ring assembly 2 adopts a structure that an inner lap wire is additionally arranged on the retainer ring.
Optionally, the circlip assembly 2 is electrically conductive.
Optionally, the inner lapping wire of the elastic collar assembly 2 is of a polygonal structure.
Optionally, the pipe sleeve 1 is connected with the guide pipe by welding or spinning.
Optionally, a clamping groove is formed in the sleeve 3;
the cross section of the blocking sleeve 5 is of a [ -shape, one protruding part of the blocking sleeve 5 is clamped on the clamping groove of the sleeve 3, and the other protruding part of the blocking sleeve 5 is clamped on the non-butt-joint side of the annular protrusion of the pipe sleeve 1.
Optionally, the circlip assembly 2 adopts a notch type circlip structure.
Optionally, a groove is formed in the annular protrusion, and the sealing ring 4 is arranged in the groove.
The invention discloses a novel threaded conduit flexible joint convenient to disassemble and assemble, which comprises a pipe sleeve, an elastic retainer ring assembly, a sleeve, a sealing ring and a retaining sleeve, wherein the threaded conduit flexible joint adopts a novel elastic retainer ring structure, optimizes a sealing structure, a limiting structure and a fixing structure, increases a lap joint structure, greatly improves the maintainability and reliability of the threaded flexible joint, improves the disassembly and assembly efficiency of an onboard conduit, and improves the reliability and safety of an airplane.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a threaded conduit flexible joint according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a retainer ring assembly according to an embodiment of the present invention;
description of reference numerals:
1-pipe sleeve;
2-a circlip assembly;
3, a sleeve;
4, sealing rings;
and 5, a blocking sleeve.
Detailed Description
Fig. 1 is a schematic structural diagram of a threaded conduit flexible joint according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of a retainer ring assembly according to an embodiment of the present invention. As shown in fig. 1 and 2, the threaded conduit flexible joint includes: the pipe sleeve comprises a pipe sleeve 1, an elastic retainer ring assembly 2, a sleeve 3, a sealing ring 4 and a retaining sleeve 5. Wherein the content of the first and second substances,
the pipe sleeve 1 is connected with the guide pipe part in a welding or spinning mode, the pipe sleeve 1, the sealing ring 4 and the sleeve 3 form a sealing pair of a flexible joint to ensure the circulation and sealing of a working medium, the elastic retainer ring assembly 2 is used as an elastic and electric lap joint element for limiting and ensuring the stable electric lap joint of a product, and the retaining sleeve 5 is used as a structural part for fixing and limiting axial and radial displacement.
A pipe sleeve 1 connecting two ends of the conduit; the sealing of the circulating medium is ensured by adopting an O-shaped sealing structure; the elastic retainer ring assembly 2 serves as a limiting part and is provided with an inner lap joint structure, so that the electric lap joint of products is realized, and the retaining sleeve serves as a fixing part.
Optionally, the elastic retainer ring assembly consists of an elastic retainer ring and an inner lapping wire, so that the installation is convenient and the electric lapping function of the product can be realized.
Optionally, the lap joint wire in the elastic retainer ring assembly 2 adopts a multilateral structure, so that stable connection between a product and a pipeline is guaranteed, and the requirement of electric lap joint is met.
Optionally, main part position adopts breach formula retaining ring structure in the circlip subassembly 2, has realized quick installation and the dismantlement of product.
Optionally, as shown in fig. 1, a clamping groove is formed in the sleeve 3, the cross section of the blocking sleeve 5 is in a [ -shape, a protruding portion of the blocking sleeve 5 is clamped in the clamping groove of the sleeve 3, and another protruding portion of the blocking sleeve 5 is clamped in a non-butt-joint side of the annular protrusion of the pipe sleeve 1.
Claims (8)
1. A threaded conduit flexible joint, comprising: the device comprises two pipe sleeves (1), two elastic retainer ring assemblies (2), a sleeve (3), two sealing rings (4) and two retaining sleeves (5); wherein the content of the first and second substances,
the two pipe sleeves (1) are respectively sleeved on the butt joint interfaces of two to-be-butted guide pipes, the outer ring of the butt joint end of each pipe sleeve (1) is provided with an annular bulge, and the annular bulge is provided with the sealing ring (4);
the sleeve (3) is sleeved on the two pipe sleeves (1) and is in contact with the two sealing rings (4) to form a sealing pair;
the two blocking sleeves (5) are respectively used for clamping the annular protrusions of the two pipe sleeves (1) and the sleeve (3), and an elastic retainer ring assembly (2) is arranged between the blocking sleeves (5) and the annular protrusions.
2. The threaded conduit flexible joint according to claim 1, wherein the circlip assembly (2) is of a circlip plus internal overlapping wire construction.
3. The threaded conduit flexible joint according to claim 2, wherein the circlip assembly (2) is electrically conductive.
4. The threaded conduit flexible joint of claim 2, wherein the internal overlapping wires of the circlip assembly (2) are of a polygonal configuration.
5. Threaded conduit flexible joint according to claim 1, characterized in that the socket (1) is connected to the conduit by means of welding or spinning.
6. The threaded conduit flexible joint according to claim 1, wherein a snap groove is provided on the sleeve (3);
the cross section of the blocking sleeve (5) is of a [ -shape, a protruding part of the blocking sleeve (5) is clamped on the clamping groove of the sleeve (3), and the other protruding part of the blocking sleeve (5) is clamped on the non-butt-joint side of the annular protrusion of the pipe sleeve (1).
7. The threaded conduit flexible joint according to claim 1, wherein the circlip assembly (2) employs a notched circlip configuration.
8. Threaded conduit flexible joint according to claim 1, characterized in that the annular projection is provided with a groove in which the sealing ring (4) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911321669.XA CN110953420A (en) | 2019-12-19 | 2019-12-19 | Threaded conduit flexible joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911321669.XA CN110953420A (en) | 2019-12-19 | 2019-12-19 | Threaded conduit flexible joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110953420A true CN110953420A (en) | 2020-04-03 |
Family
ID=69982905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911321669.XA Pending CN110953420A (en) | 2019-12-19 | 2019-12-19 | Threaded conduit flexible joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110953420A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108145A (en) * | 2021-04-06 | 2021-07-13 | 湖北楚道凿岩工程有限公司 | Safety protection structure for flexible gas pipe joint for mine exploitation and manufacturing method |
| CN113653865A (en) * | 2021-08-31 | 2021-11-16 | 昆明理工大学 | Underground pipe network pipeline connection sealing device and method |
| CN114165656A (en) * | 2021-11-11 | 2022-03-11 | 陕西飞机工业有限责任公司 | Flexible conduit connecting piece and surface treatment method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124337A (en) * | 1994-04-27 | 1996-06-12 | 樱护谟株式会社 | Coupling apparatus |
| CN201354907Y (en) * | 2009-02-06 | 2009-12-02 | 伍婧绫 | Pipe junction |
| CN102132079A (en) * | 2008-06-30 | 2011-07-20 | 伊顿公司 | Coupling assembly |
| US20130328307A1 (en) * | 2012-06-08 | 2013-12-12 | The Boeing Company | Composite Tubes for a Fluid Transport System |
| CN205978889U (en) * | 2016-08-24 | 2017-02-22 | 浙江卡倍力流体科技有限公司 | Pipe coupling of high fastness |
| US20180135786A1 (en) * | 2015-05-05 | 2018-05-17 | Zodiac Fluid Equipment | Coupling collar and device for coupling pipes comprising such a coupling collar |
-
2019
- 2019-12-19 CN CN201911321669.XA patent/CN110953420A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124337A (en) * | 1994-04-27 | 1996-06-12 | 樱护谟株式会社 | Coupling apparatus |
| CN102132079A (en) * | 2008-06-30 | 2011-07-20 | 伊顿公司 | Coupling assembly |
| CN201354907Y (en) * | 2009-02-06 | 2009-12-02 | 伍婧绫 | Pipe junction |
| US20130328307A1 (en) * | 2012-06-08 | 2013-12-12 | The Boeing Company | Composite Tubes for a Fluid Transport System |
| US20180135786A1 (en) * | 2015-05-05 | 2018-05-17 | Zodiac Fluid Equipment | Coupling collar and device for coupling pipes comprising such a coupling collar |
| CN205978889U (en) * | 2016-08-24 | 2017-02-22 | 浙江卡倍力流体科技有限公司 | Pipe coupling of high fastness |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108145A (en) * | 2021-04-06 | 2021-07-13 | 湖北楚道凿岩工程有限公司 | Safety protection structure for flexible gas pipe joint for mine exploitation and manufacturing method |
| CN113108145B (en) * | 2021-04-06 | 2022-07-19 | 湖北楚道凿岩工程有限公司 | Safety protection structure for flexible gas pipe joint for mine exploitation and manufacturing method |
| CN113653865A (en) * | 2021-08-31 | 2021-11-16 | 昆明理工大学 | Underground pipe network pipeline connection sealing device and method |
| CN113653865B (en) * | 2021-08-31 | 2022-05-06 | 昆明理工大学 | Underground pipe network pipeline connection sealing device and method |
| CN114165656A (en) * | 2021-11-11 | 2022-03-11 | 陕西飞机工业有限责任公司 | Flexible conduit connecting piece and surface treatment method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200403 |
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| RJ01 | Rejection of invention patent application after publication |