CN107606354A - A kind of leakproof high-performance flexible interface - Google Patents
A kind of leakproof high-performance flexible interface Download PDFInfo
- Publication number
- CN107606354A CN107606354A CN201711029300.2A CN201711029300A CN107606354A CN 107606354 A CN107606354 A CN 107606354A CN 201711029300 A CN201711029300 A CN 201711029300A CN 107606354 A CN107606354 A CN 107606354A
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- Prior art keywords
- pressure
- ring seal
- biconvex
- medium
- annulus
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- 238000007789 sealing Methods 0.000 claims abstract description 47
- 229920001971 elastomer Polymers 0.000 claims abstract description 18
- 239000005060 rubber Substances 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000003032 molecular docking Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 14
- 241000309551 Arthraxon hispidus Species 0.000 claims description 8
- 239000000084 colloidal system Substances 0.000 claims description 8
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of leakproof high-performance flexible interface, internal pressure, external pressure and negative pressure inspection can be individually carried out to the interface of connection after interface connection.In pipeline work, when cushion rubber aging or uneven settlement of foundation or bear the reasons such as radial load and cause interface leak, its O-ring seal is under the pressure effect of pumped (conveying) medium, by being moved axially into the inclined-plane with lift angle, increase the pressure of radial direction, make the contact of sealing contact surface be more than the pressure of medium, be automatically prevented from interface and continue to leak.
Description
Technical field
Patent of the present invention is related to a kind of pipe, the interface of particularly large and medium-sized and super-huge pumped (conveying) medium pipe.
Background technology
The pipe of pumped (conveying) medium will rely on reliable connection ability normal work, and the flexible interface connection of cushion rubber is the most frequently used
Connected mode.
Currently known pipe flexible interface has the flexible interface of single cushion rubber and double cushion rubbers.Although double cushion rubber flexible interface solutions
Determined single cushion rubber can not individually docking port pressure testing the problem of, but the shortcomings that interface configurations complicated and interface high processing costs be present.
Meanwhile although the flexible interface pipe applied at present is suitable for a range of pipeline pivot angle and the displacement of axial direction, but when close
Sealing rubber ring aging reduces seal compression ratio, or when the larger differential settlement of Pipeline Ground appearance, forms larger gap, or work as
There is larger axial displacement in the presence of expanding with heat and contract with cold in pipeline, and interface seepage can all occurs.Once seepage occurs in interface, only
It can take and change pipeline section or solved using the method for additional sleeve pipe.Therefore, the sealing property of flexible interface is further improved, is
Improve the primary problem of pipe safety reliability.
The content of the invention
It is an object of the invention to provide the flexibility of a kind of energy independence test connecting interface internal pressure, external pressure and negative-pressure sealing performance
Interface, when flexible interface leaks, also there is the interface automatic increase O-ring seal and socket joint head to contact with each other the pressure in face
The function that power leaks to prevent interface from continuing.
The leakproof high-performance flexible interface of the present invention is by plug 1,2, groove 3 of taking the lead, biconvex annulus O-ring seal 4, circular cone
Shape inclined-plane 5, boss 6, snap ring 7, sealing endoporus 8, coordinate cylindrical 9, groove side inclined-plane 10, pressure testing hole 11, through hole 12 and bayonet socket 13
Composition.Biconvex annulus O-ring seal 4 is the circle that there is the raised and middle cross section provided with multiple through holes 13 to be prolate shape on both sides
Ring cushion rubber.Its cushion rubber is arranged on the groove 3 of plug 1, after reeve is taken the lead, sealing endoporus 8 and plug that its both sides is taken the lead
Groove 3 is cylindrical mutually to be compressed.Its contact formed is more than the pressure of medium, reaches the effect of sealed interface.In pipeliner
When making, when interface bears radial shear load or ground the sealing caused by the reasons such as aging of differential settlement or cushion rubber occurs and connect
When tactile contact is less than pressure medium generation medium leakage, the cushion rubber at this reduces axial direction because there is the lubrication of leakage medium
Mobile frictional resistance, biconvex annulus O-ring seal is set to be moved under pressure medium effect to the groove side inclined-plane 10 with lift angle
Enter, increase radial pressure, make the contact between O-ring seal and contact surface be more than the pressure of medium again, be automatically prevented from connecing
The leakage of mouth.Meanwhile after interface connection, by pressure testing aperture 11, the examination of internal pressure, external pressure and negative pressure can be carried out with docking port
Test, examine the sealing property of O-ring seal docking port, it is ensured that interface has reliable sealing.Therefore, the interface is a kind of leak-stopping
High-performance flexible interface, efficiently solve conventional flex interface easy to leak and repair leak source it is cumbersome the shortcomings that, effectively increase
The service life of flexible interface pipeline is added.
Brief description of the drawings
Fig. 1, leakproof high-performance flexible interface diagram
1st, plug；2nd, take the lead；3rd, groove；4th, biconvex annulus O-ring seal；5th, conical inclined surface；6th, boss；7th, snap ring；8、
Seal endoporus；9th, coordinate cylindrical；10th, groove side inclined-plane；11st, pressure testing hole；12nd, through hole；13rd, bayonet socket
Embodiment
The interior circular diameter biconvex annulus O-ring seal 3 smaller than groove outside diameter is enclosed on the groove 3 of plug 1, will be moistened
Lubrication prescription be coated in take the lead 2 conical inclined surface 5 and sealing endoporus 8 on, plug 1 drawn in by external force and is taken the lead in 2, at that time due to double
Resistance caused by sliding friction between the cylindrical and conical inclined surface 5 taken the lead and sealing endoporus 8 of dome ring O-ring seal 3 is small
In thrust caused by the cylindrical dry friction of the groove 3 of the endoporus of biconvex annulus O-ring seal 4 and plug 1, and biconvex annulus seals
The cross section of cushion rubber 4 is in prolate shape, makes it to occur to roll movement, makes biconvex annulus O-ring seal 4 to be inserted together with plug 1
Enter to take the lead in 2, the raised colloid that its both sides is compressed by elastic deformation wedge enter by take the lead 2 sealing endoporus 8 and plug recesses
In the wedge-shaped ring gap that side inclined-plane 10 is formed, increase the sealing intensity of docking port.Plug is fully inserted into take the lead after, will have opening
And packed into the snap ring 7 of annular between the bayonet socket 13 taken the lead and the boss 6 of plug, prevent the axial direction of socket joint head from pulling, complete
The connection of interface.This interface by colloid of the pressure testing aperture 12 to the centre position of biconvex annulus O-ring seal 4 be cylindrical and inner circle with
The sealing endoporus 8 taken the lead and the groove 3 of plug it is cylindrical between annulus space water delivery pressurization, make biconvex annulus O-ring seal 4
The colloid that the right is compacted can docking port carry out internal pressure inspection, the colloid for making the left side of biconvex annulus O-ring seal 4 be compacted can
Docking port carries out external pressure inspection, while can docking port progress negative pressure inspection by pressure testing aperture connection vavuum pump.
In pipeline work, when cushion rubber aging cause seal compression than reduce, or uneven settlement of foundation formed interface compared with
Big swing angle and interface bear larger radial shear and cause the reasons such as socket joint head decentraction, form part or all of cushion rubber and sealing
When contact between face medium leakage occurs less than pressure medium, its contact surface reduces contact surface because there is the lubrication of medium
Between coefficient of friction, make biconvex annulus O-ring seal medium pressure promote under, be moved axially into groove side inclined-plane 10, so as to
Increase radial pressure, make sealing contact surface regain the contact more than pumped (conveying) medium pressure, be automatically prevented from letting out for interface
Leakage.
This interface coordinates the cylindrical 9 sealing endoporus 8 slightly smaller than taken the lead due to plug, so limiting the pivot angle amount of interface
With the skew of socket joint head decentraction, make interface both to be swung by axially and radially displacement and angle and expanded with heat and contract with cold to eliminate pipeline
Bending stress caused by dilation matrices and uneven settlement of foundation, while act on biconvex annulus fluid sealant further through the pressure of medium
The axial cross section product of circle 4 obtains the thrust for being moved axially into groove side inclined-plane 10, makes contact be more than pressure medium, prevents to occur
The sealing surface of seepage continues seepage.After interface connection, internal pressure, external pressure and negative pressure can be carried out by 11 independent docking port of pressure testing hole
Experiment, examine the sealing property of biconvex annulus O-ring seal, it is ensured that interface has reliable sealing.Therefore, this patent is tool
There are the advanced interfaces of novel capabilities, the security reliability that pipeline uses can be effectively improved.
The interface of this patent when plug inject take the lead after, by biconvex annulus O-ring seal both sides and take the lead sealing endoporus and
The pressure docking port that the contact of the cylindrical sealing contact surface of plug recesses is more than pumped (conveying) medium is sealed；When interface
When seepage occurs in the pressure that the contact of sealing contact surface is less than pumped (conveying) medium, biconvex annulus O-ring seal is in pumped (conveying) medium pressure
Under power effect, moved into the groove side inclined-plane with lift angle, increase radial pressure, make the contact of sealing contact surface again big
In the pressure of pumped (conveying) medium, it is automatically prevented from interface and continues to leak；Meanwhile the interface can be by the independent docking port progress in pressure testing hole
Pressure, external pressure and negative pressure test, the sealing property of biconvex annulus O-ring seal is examined, to ensure that sealing joint is reliable；It is in plug
When plug is injected and taken the lead, the dry friction between its endoporus and plug recesses surface produces biconvex annulus O-ring seal on groove
Axial thrust be more than its it is cylindrical with take the lead conical inclined surface and seal endoporus between sliding friction caused by axial rub resistance
Power, make in biconvex annulus O-ring seal injects together with plug and take the lead；It is the inclined-plane with lift angle on the right of the groove of plug, when double
Dome ring O-ring seal moves into inclined-plane under the pressure effect of pumped (conveying) medium, increases radial pressure, makes biconvex annulus O-ring seal
Increase with the contact of sealing contact surface with the increase of inclined-plane amount is moved into；When biconvex annulus O-ring seal and sealing contact surface
Contact when being less than pressure medium, medium enters between O-ring seal and sealing contact surface, reduces rubbing between contact surface
Resistance is wiped, makes O-ring seal move into the inclined-plane on groove side under the pressure effect of medium；When plug reeve is taken the lead, what it was taken the lead
Circular cone inclined-plane, sealing endoporus and the cylindrical of biconvex annulus O-ring seal are coated with lubricant；The cooperation of plug is cylindrical slightly smaller than to hold
The sealing inner circle of head, the gap limitation interface between both borrow the capable of swinging and moving maximum angle of corner and the eccentric maximum of socket joint head
Value；The external diameter of snap ring is more than the internal diameter of bayonet socket, and the internal diameter of snap ring is less than the external diameter of boss, and limitation socket joint head can not pull；Biconvex
Annulus O-ring seal is the elastic rubber ring that cross section is prolate body, under pipe medium pressure effect, biconvex annulus fluid sealant
Circle subjects the thrust for being moved axially into groove side inclined-plane all the time, when the contact of part or all of sealing contact surface is less than medium
Pressure when, its cushion rubber moves into the inclined-plane on groove side, makes the whole of interface in sealing contact by all or part of elastic deformation
The contact in face is both greater than the pressure of medium；The colloid being compacted on the right of biconvex annulus O-ring seal can docking port progress internal pressure
Examine, the colloid that its left side is compacted can docking port carry out external pressure inspection, in-between space can docking port carry out negative pressure inspection.
Claims (8)
- A kind of 1. leakproof high-performance flexible interface, it is characterised in that：Interface include take the lead, plug, groove, biconvex annulus sealing Cushion rubber, conical inclined surface, boss, snap ring, sealing endoporus, coordinate cylindrical, groove side inclined-plane, pressure testing hole, through hole and bayonet socket；When slotting Head injects take the lead after, seal the cylindrical in sealing contact of endoporus and plug recesses by biconvex annulus O-ring seal both sides and taking the lead The pressure docking port that the contact in face is more than pumped (conveying) medium is sealed；When the contact of the sealing contact surface of interface is less than When seepage occurs in the pressure of pumped (conveying) medium, biconvex annulus O-ring seal is under the effect of pumped (conveying) medium pressure, to the recessed of lift angle Trough rim inclined-plane moves into, and increases radial pressure, makes the contact of sealing contact surface be more than the pressure of pumped (conveying) medium, automatic resistance again Only interface continues to leak；Meanwhile the interface can carry out internal pressure, external pressure and negative pressure test by the independent docking port in pressure testing hole, examine The sealing property of biconvex annulus O-ring seal, to ensure that sealing joint is reliable.
- A kind of 2. leakproof high-performance flexible interface according to claim 1, it is characterised in that：It is in double on plug recesses Dome ring O-ring seal is when plug is injected and taken the lead, axial thrust caused by the dry friction between its endoporus and plug recesses surface More than its it is cylindrical with take the lead conical inclined surface and seal endoporus between sliding friction caused by axial rub resistance, make biconvex justify In ring O-ring seal is injected together with plug and taken the lead.
- A kind of 3. leakproof high-performance flexible interface according to claim 1, it is characterised in that：It is tool on the right of the groove of plug There is the inclined-plane of lift angle, when biconvex annulus O-ring seal moves into inclined-plane, increase radial pressure, order under the pressure effect of pumped (conveying) medium The contact of biconvex annulus O-ring seal and sealing contact surface increases with the increase of inclined-plane amount is moved into.
- A kind of 4. leakproof high-performance flexible interface according to claim 1, it is characterised in that：When biconvex annulus O-ring seal When being less than pressure medium with the contact of sealing contact surface, medium enters between O-ring seal and sealing contact surface, and reduction connects Frictional resistance between contacting surface, O-ring seal is made to move into the inclined-plane on groove side under the pressure effect of medium.
- A kind of 5. leakproof high-performance flexible interface according to claim 2, it is characterised in that：When plug reeve is taken the lead, its Circular cone inclined-plane, sealing endoporus and the cylindrical of biconvex annulus O-ring seal taken the lead are coated with lubricant.
- A kind of 6. leakproof high-performance flexible interface according to claim 1, it is characterised in that：The cooperation of plug is cylindrical slightly smaller Gap limitation interface between the sealing inner circle taken the lead, both borrows the capable of swinging and moving maximum angle of corner and socket joint head eccentric Maximum；The external diameter of snap ring is more than the internal diameter of bayonet socket, and the internal diameter of snap ring is less than the external diameter of boss, and limitation socket joint head can not pull.
- A kind of 7. leakproof high-performance flexible interface according to claim 1, it is characterised in that：Biconvex annulus O-ring seal is Cross section is the elastic rubber ring of prolate body, and under pipe medium pressure effect, biconvex annulus O-ring seal subjects axle all the time To the thrust for moving into groove side inclined-plane, when the contact of part or all of sealing contact surface is less than the pressure of medium, its glue The inclined-plane that groove side is moved into by all or part of elastic deformation is enclosed, makes the contact of whole sealing contact surfaces of interface The both greater than pressure of medium.
- A kind of 8. leakproof high-performance flexible interface according to claim 1, it is characterised in that：Biconvex annulus O-ring seal is right While the colloid being compacted can docking port carry out internal pressure inspection, the colloid that its left side is compacted can docking port carry out external pressure inspection, its Middle space can docking port progress negative pressure inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711029300.2A CN107606354A (en) | 2017-10-20 | 2017-10-20 | A kind of leakproof high-performance flexible interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711029300.2A CN107606354A (en) | 2017-10-20 | 2017-10-20 | A kind of leakproof high-performance flexible interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107606354A true CN107606354A (en) | 2018-01-19 |
Family
ID=61080223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711029300.2A Pending CN107606354A (en) | 2017-10-20 | 2017-10-20 | A kind of leakproof high-performance flexible interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107606354A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869617A (en) * | 2017-12-07 | 2018-04-03 | 程宇婷 | A kind of biconvex sealing ring cushion rubber and its sealing principle |
| CN109163156A (en) * | 2018-08-30 | 2019-01-08 | 上海隧道工程有限公司 | It is built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling |
| CN112212096A (en) * | 2020-10-29 | 2021-01-12 | 程思哲 | Stainless steel full-covered opening lining composite flexible mouth-piece and composite method thereof |
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|---|---|---|---|---|
| CN2472030Y (en) * | 2001-04-28 | 2002-01-16 | 中国人民解放军第三五三一工厂 | Rubber sealing ring for K shape pipe |
| CN2503295Y (en) * | 2001-05-21 | 2002-07-31 | 南亚塑胶工业股份有限公司 | Bendable plastic loop pipe and lining ring inserted loop rubber ring structure |
| EP1496301A2 (en) * | 2003-07-08 | 2005-01-12 | Mann+Hummel Gmbh | Plug-in connector |
| CN102242841A (en) * | 2011-06-23 | 2011-11-16 | 陈穗玲 | Self-sealing double-rubber-ring pipeline flexible connector |
| CN202280975U (en) * | 2011-06-23 | 2012-06-20 | 陈穗玲 | Self-sealing double-rubber-ring pipeline flexible interface |
| CN107061902A (en) * | 2016-09-07 | 2017-08-18 | 程宇婷 | A kind of anti-pulling flexible tube interface |
| CN107202218A (en) * | 2017-07-06 | 2017-09-26 | 程宇婷 | One kind insertion enclosed type connecting interface |
| CN207454997U (en) * | 2017-10-20 | 2018-06-05 | 程宇婷 | A kind of leakproof high-performance flexible interface |
-
2017
- 2017-10-20 CN CN201711029300.2A patent/CN107606354A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472030Y (en) * | 2001-04-28 | 2002-01-16 | 中国人民解放军第三五三一工厂 | Rubber sealing ring for K shape pipe |
| CN2503295Y (en) * | 2001-05-21 | 2002-07-31 | 南亚塑胶工业股份有限公司 | Bendable plastic loop pipe and lining ring inserted loop rubber ring structure |
| EP1496301A2 (en) * | 2003-07-08 | 2005-01-12 | Mann+Hummel Gmbh | Plug-in connector |
| CN102242841A (en) * | 2011-06-23 | 2011-11-16 | 陈穗玲 | Self-sealing double-rubber-ring pipeline flexible connector |
| CN202280975U (en) * | 2011-06-23 | 2012-06-20 | 陈穗玲 | Self-sealing double-rubber-ring pipeline flexible interface |
| CN107061902A (en) * | 2016-09-07 | 2017-08-18 | 程宇婷 | A kind of anti-pulling flexible tube interface |
| CN107202218A (en) * | 2017-07-06 | 2017-09-26 | 程宇婷 | One kind insertion enclosed type connecting interface |
| CN207454997U (en) * | 2017-10-20 | 2018-06-05 | 程宇婷 | A kind of leakproof high-performance flexible interface |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869617A (en) * | 2017-12-07 | 2018-04-03 | 程宇婷 | A kind of biconvex sealing ring cushion rubber and its sealing principle |
| CN109163156A (en) * | 2018-08-30 | 2019-01-08 | 上海隧道工程有限公司 | It is built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling |
| CN112212096A (en) * | 2020-10-29 | 2021-01-12 | 程思哲 | Stainless steel full-covered opening lining composite flexible mouth-piece and composite method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180119 |
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