CN104727772B - A kind of nonmetallic sealing device with metal shell - Google Patents
A kind of nonmetallic sealing device with metal shell Download PDFInfo
- Publication number
- CN104727772B CN104727772B CN201510112128.1A CN201510112128A CN104727772B CN 104727772 B CN104727772 B CN 104727772B CN 201510112128 A CN201510112128 A CN 201510112128A CN 104727772 B CN104727772 B CN 104727772B
- Authority
- CN
- China
- Prior art keywords
- metal shell
- lip
- support member
- seal body
- sealing device
- 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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Links
- 239000002184 metal Substances 0.000 title claims abstract description 70
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 70
- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000007797 corrosion Effects 0.000 description 10
- 238000005260 corrosion Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 239000008393 encapsulating agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a kind of nonmetallic sealing device with metal shell, it includes：Support member, the support member is symmetrical structure, and its lip is in fold-line-shaped, and metal shell, the metal shell is annular housing, and the base of the metal shell is fixed in the lip of the support member, and the top margin of the metal shell is in gradually-reducing shape；Seal body, the seal body is squeezed in the metal shell, and the upper lip and lower lip of the sealed body are stretched out from the top of the metal shell and bottom respectively, and the lower lip and the lip of the support member are fitted and fixed with.The seal body is made of quality of rubber materials.The upper lip and lower lip of the seal body are respectively symmetrical structure.The upper lip is provided with least one upper groove.There are multiple symmetrical projections in the lip of the support member.The lower lip of the seal body is provided with multiple low grooves chimeric with support member projection.The upper groove semicircular in shape.The low groove semicircular in shape.
Description
Technical field
The present invention relates to the seal that underwater oil winning apparatus is used, specifically, it is related to a kind of underwater horizontal type and recovers the oil
The nonmetallic sealing device with metal shell used in tree production system.
Background technology
In submarine oil recovery process, used winning apparatus is needed with good sealing, to avoid occurring
Oil spills causes to waste, and pollution environment.
In underwater oil equipment, metal end caps seal (MEC) as one kind of subsea production tree seal form, a large amount of to use
In the annular space of subsea production tree or other tubular body space sealings.Traditional subsea production tree annular space or tubular body space
Sealing uses all-metal sealing, or uses nonmetallic sealing in tubular body space.All-metal sealing has preferably anti-
Corrosive nature, metal o-ring can reach good sealing effectiveness in the range of certain use, such as in higher pressure
In level environment；Rather than metal sealing, such as deformation quantity is larger under external force for rubber seal, and once mounting sealing success rate is high,
Relatively small is required to the metallic sealing section of contact, but its corrosion resistance, high pressure resistant, high and low temperature resistance are relatively poor, with
The position that dielectric fluid is directly contacted is more easy to aging, influences service life.For in the specific environment of submarine oil recovery process
Part to be sealed, either using metal seal or non-metallic seal, all in the presence of certain defect, influences its sealing effect
Really.
Accordingly, it would be desirable to a kind of new MEC seals, can overcome disadvantages mentioned above, it is production tree annular space or tubular body
Space provides good sealing, and improves the sealing property of sealing device, promotes the use of scope.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of nonmetallic sealing device with metal shell, are integrated with gold
Belong to sealed Corrosion Protection and nonmetallic sealed high resiliency performance, not only ensure the corrosion resistance of sealing device, and improve
The sealing property of sealing device, saves sealed material and can provide enough elastic deformation amount.
To achieve the above object, the present invention provides a kind of nonmetallic sealing device with metal shell, and it includes：Support
Part, the support member is symmetrical structure, and its lip is in fold-line-shaped, and metal shell, the metal shell is annular housing, the gold
The base of category shell is fixed in the lip of the support member, and the top margin of the metal shell is in gradually-reducing shape；Seal body, it is described
Seal body is squeezed in the metal shell, and the upper lip and lower lip of the sealed body are respectively from the metal shell
Top and bottom are stretched out, and the lower lip and the lip of the support member are fitted and fixed with.
Preferably, the seal body is made of quality of rubber materials.
Preferably, the upper lip and lower lip of the seal body are respectively symmetrical structure.
Preferably, the upper lip is provided with least one upper groove.
Preferably, there are multiple symmetrical projections in the lip of the support member.
Preferably, the lower lip of the seal body is provided with multiple low grooves chimeric with support member projection.
Preferably, the upper groove semicircular in shape.
Furthermore it is preferred that the low groove semicircular in shape.
It was found from the description above and practice, the nonmetallic sealing device with metal shell that the present invention is provided, first, adopting
The seal body made of non-metallic materials such as rubber, with high resiliency, ensure that sealing property；Second, using metal material
The metal shell that matter makes, with corrosion resistance；Mechanical strength can be improved, increases overall fixing intensity and the sealing of seal
Effect；Receiving space is provided for nonmetallic seal body simultaneously, contact of the seal body with dielectric fluid can be prevented；Third,
Nonmetallic seal body is provided with upper groove and low groove, and it provides deformation space for seal body, and reduces encapsulant
Usage amount, contact effect during increase seal body extruding, improves sealing property, can also effectively prevent mill during crimp
Damage；Moreover, low groove is fitted and fixed with the projection on support member, it is possible to achieve seal body is closely combined with support member；Its
Four, metal shell and seal body are used in conjunction with each other, be integrated with metal sealing Corrosion Protection and nonmetallic sealing especially
It is the high resiliency performance of rubber bodies, not only ensures the corrosion resistance of sealing device, and improves the sealing property of sealing device.
Brief description of the drawings
By description below in conjunction with the accompanying drawings to embodiment, features described above of the invention and technological merit will become more
Understand and be readily appreciated that.In the accompanying drawings,
Fig. 1 is the nonmetallic sealing device schematic diagram with metal shell described in one embodiment of the invention；
Fig. 2 is the nonmetallic sealing device use state schematic diagram with metal shell shown in Fig. 1.
Reference：
Nonmetallic sealing device 100 with metal shell：
10：Support member；20：Metal shell；30：Seal body.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Fig. 1 is the nonmetallic sealing device schematic diagram with metal shell described in one embodiment of the invention.Fig. 2 is Fig. 1
The shown nonmetallic sealing device use state schematic diagram with metal shell.As depicted in figs. 1 and 2, with the non-of metal shell
Metal sealing device 100 includes support member 10, metal shell 20 and sealed body 30.
Support member 10 is symmetrical structure, and the section of support member 10 is circle, and the two ends of support member 10 are lip, and lip is in folding
Linear, lip has two levels, and the level at edge is higher than between the level at center, two levels and led to
Cross compartment of terrain in hypotenuse connection, the plane at center and be provided with multiple projections, projection is symmetrical in lip.
Metal shell 20 is annular housing, and the top and bottom of the annular housing are opened type, the base of metal shell 20
In the lip for being fixed on support member 10, generally each the two ends of support member 10 are each fixes a metal shell 20, metal shell 20
Top margin is in gradually-reducing shape.The shell being made of metal material, such as stainless steel casing, can improve mechanical strength, prevent it
Contact of the internal seal body 30 with dielectric fluid, it is more corrosion-resistant.
Seal body 30 is squeezed in metal shell 20, and the top of seal body 30 is and the top similar shape of metal shell 20
Gradually-reducing shape, the tapered face is at the top of it with plane convergence, it is possible to reduce the usage amount of encapsulant, seal body 30 can be compressed
It is fitted on the inwall of metal shell 20.
Upper lip and lower lip are located at the top and bottom of seal body 30, the upper lip and lower lip of sealed body 30 respectively
Side is stretched out from the top of metal shell 20 and bottom respectively, and lower lip and the lip of support member 10 are fitted and fixed with, can closely tied
Close, sealing is can ensure that again.Preferably, the upper lip and lower lip of seal body 30 are respectively symmetrical structure, seal body 30
Also it is symmetrical structure.
The bottom squeeze of seal body 30 is on the base of metal shell 20, between the bottom of seal body 30 and its lower lip
By inclined-plane gradual transition, it is to avoid the sealing that step-wise transition is caused is not good enough, lower lip is fitted and embedding with the lip of support member 10
Close and fix so that seal body 30 can be firmly secured on support member 10.
The top of metal shell 20 is in contraction-like, and the top of seal body 30 is also in contraction-like, the top of metal shell 20
Downward extruding force can be provided for the seal body 30 in cavity, and there is provided certain amount of elastic deformation, it is ensured that metal shell 20
Combined closely with sealed body 30, while contraction-like seal body 30 can also reduce the usage amount of sealed material.
Preferably, seal body 30 is made of quality of rubber materials, and quality of rubber materials has certain elasticity, can be produced certain
Deflection, realize in metal shell 20 compression deformation, so that it is guaranteed that sealing.Other nonmetallic tools can also be used
The material for having certain amount of elastic deformation makes seal body 30.Preferably, upper lip is provided with least one upper groove, provided with many
It is symmetric during individual upper groove.Preferably, lower lip is provided with multiple low grooves chimeric with support member 10 projection, recessed
Groove is symmetric.Upper groove and low groove can reduce the usage amount of sealed material, and ensure that seal body 30 has foot
Enough deformation spaces and deflection, are easy to compress deformation, it is ensured that sealing property.In addition, low groove it is identical with the number of projection and
It is fitted and fixed with, it is possible to achieve seal body 30 is connected with support member 10.Preferably, upper groove and low groove semicircular in shape
Fluting, bigger deformation space and deflection can be provided for seal body, be easy to realize in the supporting cavity 20 and compress deformation,
So as to ensure sealing property.
The use process of the nonmetallic sealing device 100 with metal shell is described below.
Nonmetallic sealing device 100 with metal shell is cyclic structure, the nonmetallic sealing device 100 with metal shell
Outer wall contacted with the inwall of pipeline body, the inwall of the nonmetallic sealing device 100 with metal shell and pipeline tubular body
Assembly parts or core body wall contacts so that realize pipeline tubular body space passage sealing.
The nonmetallic sealing device with metal shell that the embodiment provided by the invention described above is provided, first, using
The seal body that the non-metallic materials such as rubber make, with high resiliency, ensure that sealing property；Second, using metal material
The metal shell of making, with corrosion resistance；Mechanical strength can be improved, the overall fixing intensity and sealing for increasing seal are imitated
Really；Receiving space is provided for nonmetallic seal body simultaneously, contact of the seal body with dielectric fluid can be prevented；Third, non-
The seal body of metal is provided with upper groove and low groove, and it provides deformation space for seal body, and reduces encapsulant and make
Consumption, contact effect during increase seal body extruding, improves sealing property, can also effectively prevent abrasion during crimp；
Moreover, low groove is fitted and fixed with the projection on support member, it is possible to achieve seal body is closely combined with support member；Fourth,
Metal shell and seal body are used in conjunction with each other, and are integrated with Corrosion Protection and the nonmetallic sealing especially rubber of metal sealing
The high resiliency performance of colloid, not only ensures the corrosion resistance of sealing device, and improves the sealing property of sealing device.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
It is any be familiar with the people of the technology disclosed herein technical scope in, the change or replacement that can be readily occurred in should all be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (6)
1. a kind of nonmetallic sealing device with metal shell, it includes：Support member, the support member is symmetrical structure, its lip
Side is in fold-line-shaped, it is characterised in that
Metal shell, the metal shell is annular housing, and the base of the metal shell is fixed on the lip of the support member
On, the top margin of the metal shell is in gradually-reducing shape；
Seal body, the seal body is squeezed in the metal shell, the upper lip and lower lip point of the sealed body
Do not stretched out from the top of the metal shell and bottom, the lower lip and the lip of the support member are fitted and fixed with；On described
Lip is provided with least one upper groove；The lower lip is provided with multiple low grooves chimeric with support member projection.
2. the nonmetallic sealing device as claimed in claim 1 with metal shell, it is characterised in that the seal body is used
Quality of rubber materials is made.
3. the nonmetallic sealing device with metal shell as claimed in claim 1, it is characterised in that the seal body it is upper
Lip and lower lip are respectively symmetrical structure.
4. the nonmetallic sealing device as claimed in claim 1 with metal shell, it is characterised in that the lip of the support member
It is upper that there are multiple symmetrical projections.
5. the nonmetallic sealing device as claimed in claim 1 with metal shell, it is characterised in that the upper groove is in semicircle
Shape.
6. the nonmetallic sealing device as claimed in claim 1 with metal shell, it is characterised in that the low groove is in semicircle
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112128.1A CN104727772B (en) | 2015-03-13 | 2015-03-13 | A kind of nonmetallic sealing device with metal shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112128.1A CN104727772B (en) | 2015-03-13 | 2015-03-13 | A kind of nonmetallic sealing device with metal shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104727772A CN104727772A (en) | 2015-06-24 |
| CN104727772B true CN104727772B (en) | 2017-08-29 |
Family
ID=53452113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510112128.1A Active CN104727772B (en) | 2015-03-13 | 2015-03-13 | A kind of nonmetallic sealing device with metal shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104727772B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB714185A (en) * | 1951-02-03 | 1954-08-25 | Emsco Derrick & Equip Co | Improvements in or relating to packing for rods |
| US5803170A (en) * | 1997-02-14 | 1998-09-08 | Halliburton Energy Services, Inc. | Well line protective apparatus |
| CN2533342Y (en) * | 2001-09-19 | 2003-01-29 | 付继斌 | Self-tightening seal ring for connection of Christmas tree |
| CN201027982Y (en) * | 2007-03-26 | 2008-02-27 | 黄继荣 | Novel sealing ring |
| CN201100406Y (en) * | 2007-10-31 | 2008-08-13 | 李建新 | Sealing ring for setting arc reverse corner |
| CN201103683Y (en) * | 2007-08-10 | 2008-08-20 | 安徽省宁国市正轼密封件有限公司 | Gas spring sealing ring of U-shape/L-shape framework |
| CN201610940U (en) * | 2009-12-29 | 2010-10-20 | 深圳市富洋密封件有限公司 | Thermoplastic polyurethane composite seal ring |
| CN201636318U (en) * | 2010-04-06 | 2010-11-17 | 江苏金石油气井口科技有限公司 | Rubber-excited metal sealing ring |
| CN201757177U (en) * | 2010-07-16 | 2011-03-09 | 上海以琳石油机械制造有限公司 | Sealing ring of oil pipe hanger |
| CN102797852A (en) * | 2011-05-25 | 2012-11-28 | 株式会社爱德克斯 | Annular seal member |
| CN203023473U (en) * | 2012-12-28 | 2013-06-26 | 北京华德广研密封件有限公司 | Seal assembly |
| CN203548587U (en) * | 2013-11-12 | 2014-04-16 | 无锡华洋滚动轴承有限公司 | High-temperature-resistant oil-pressure-resistant double-layer rubber sealing ball bearing |
| CN203809681U (en) * | 2014-04-28 | 2014-09-03 | 南车眉山车辆有限公司 | Combined type tooth-shaped sealing ring for railway vehicle flange |
-
2015
- 2015-03-13 CN CN201510112128.1A patent/CN104727772B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB714185A (en) * | 1951-02-03 | 1954-08-25 | Emsco Derrick & Equip Co | Improvements in or relating to packing for rods |
| US5803170A (en) * | 1997-02-14 | 1998-09-08 | Halliburton Energy Services, Inc. | Well line protective apparatus |
| CN2533342Y (en) * | 2001-09-19 | 2003-01-29 | 付继斌 | Self-tightening seal ring for connection of Christmas tree |
| CN201027982Y (en) * | 2007-03-26 | 2008-02-27 | 黄继荣 | Novel sealing ring |
| CN201103683Y (en) * | 2007-08-10 | 2008-08-20 | 安徽省宁国市正轼密封件有限公司 | Gas spring sealing ring of U-shape/L-shape framework |
| CN201100406Y (en) * | 2007-10-31 | 2008-08-13 | 李建新 | Sealing ring for setting arc reverse corner |
| CN201610940U (en) * | 2009-12-29 | 2010-10-20 | 深圳市富洋密封件有限公司 | Thermoplastic polyurethane composite seal ring |
| CN201636318U (en) * | 2010-04-06 | 2010-11-17 | 江苏金石油气井口科技有限公司 | Rubber-excited metal sealing ring |
| CN201757177U (en) * | 2010-07-16 | 2011-03-09 | 上海以琳石油机械制造有限公司 | Sealing ring of oil pipe hanger |
| CN102797852A (en) * | 2011-05-25 | 2012-11-28 | 株式会社爱德克斯 | Annular seal member |
| CN203023473U (en) * | 2012-12-28 | 2013-06-26 | 北京华德广研密封件有限公司 | Seal assembly |
| CN203548587U (en) * | 2013-11-12 | 2014-04-16 | 无锡华洋滚动轴承有限公司 | High-temperature-resistant oil-pressure-resistant double-layer rubber sealing ball bearing |
| CN203809681U (en) * | 2014-04-28 | 2014-09-03 | 南车眉山车辆有限公司 | Combined type tooth-shaped sealing ring for railway vehicle flange |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104727772A (en) | 2015-06-24 |
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