CN205101564U - A novel metal lip seal structure for surpassing high -voltage testing container - Google Patents
A novel metal lip seal structure for surpassing high -voltage testing container Download PDFInfo
- Publication number
- CN205101564U CN205101564U CN201520810828.3U CN201520810828U CN205101564U CN 205101564 U CN205101564 U CN 205101564U CN 201520810828 U CN201520810828 U CN 201520810828U CN 205101564 U CN205101564 U CN 205101564U
- Authority
- CN
- China
- Prior art keywords
- ring
- lip
- sealing cover
- metal
- downside
- 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.)
- Active
Links
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a novel metal lip seal structure for surpassing high -voltage testing container relates to the super pressurization structure of high temperature. This seal structure includes barrel and sealed lid, open the bottom of sealed lid has the boss, is provided with the concave station in the opening of barrel upper portion, and boss and concave station all are provided with the sealed anchor ring of toper, be provided with metal lip seal ring between sealed lid and the barrel, metal lip seal ring is including lip becket and horizontal rampart, horizontal rampart is divided into side and downside with the lateral wall of lip becket, goes up the conical sealing surface that side and downside all are the slope, horizontal rampart lies in between sealed lid and the barrel up end, and the upward side and the sealed sealed anchor ring of toper that covers of lip becket contact downside and the sealed anchor ring contact of barrel toper. The utility model discloses can satisfy the sealed requirement under heavy -calibre (480mm), high temperature (300 DEG C ), superhigh pressure (250MPa) the limit conditions to easy dismounting, can repetitiou use.
Description
Technical field
The utility model relates to superhigh-pressure high-temp sealing configuration, is specifically related to a kind of novel metal lip seal configuration for compression test under super high container.
Background technique
The systems engineering that logging instrument testing apparatus is a technical sophistication, security requirement is higher is tested; Logging instrument test needs the superhigh-pressure high-temp environment under simulation well, for the downhole instrument, instrument etc. in oil field provide test conditions.The capital equipment of logging instrument test is compression test under super high container, and in compression test under super high container, most important part is sealing configuration, and its reason has 2 points: 1, can compression test under super high container normally operate in the reliability depending on sealing configuration to a great extent; 2, compression test under super high container needs being dismounted for multiple times, and therefore the dismounting of sealing configuration needs convenient and reliable and can repeatedly use, to reduce costs.
At present, the sealing configuration of common compression test under super high container mainly comprises: rubber "O" ring sealing configuration, B shape ring sealing configuration, Bridgman sealing configuration and cambridge ring sealing configuration etc.Higher and the dismounting more complicated of machining accuracy that B shape ring sealing configuration, Bridgman sealing configuration and cambridge ring sealing configuration require, is not suitable on the test chamber of frequent dismounting.The requirement on machining accuracy of rubber "O" ring sealing configuration is relatively low, and can repeatedly use, dismounting is easier, and therefore, rubber "O" ring sealing configuration is applied more in superhigh-pressure high-temp test chamber.
At present, the "O" ring utilizing fluorine rubber to make can be used in the sealing of the compression test under super high container of part different operating parameter, such as: working pressure 180MPa, and operating temperature 250 DEG C, internal diameter 200mm; Working pressure 210MPa, operating temperature 180 DEG C, the container of the different sizes such as internal diameter 240mm.
But when the compression test under super high container that sealed by "O" ring is used, "O" ring seal element runs under extreme conditions, the easy deliquescing of "O" ring, and then fluidization even carbonization and produce leakage; And rotten rear "O" ring dismounting is inconvenient, careless slightly, easily scratches sealing surface, and then causes leakage.
In recent years, petroleum exploration and development deepens continuously, and exploration targets is day by day complicated, proposes larger bore, higher pressure and temperature requirement to logging instrument testing apparatus, as: working pressure 250MPa, operating temperature 300 DEG C, internal diameter 480mm etc.For the compression test under super high container that bore, pressure and temperature are higher, "O" ring can not meet seal request far away, is not easy to people and uses, people in the urgent need to new reliable, can the novel sealing structure of repeated multiple times use.
Model utility content
For the defect existed in prior art, the technical problem that the utility model solves is: the seal request under providing one can meet heavy caliber (480mm), high temperature (300 DEG C), ultrahigh pressure (250MPa) extreme condition, and easy accessibility, can the novel metal lip seal configuration of repeatedly Reusability.
For reaching above object, the novel metal lip seal configuration for compression test under super high container that the utility model provides, comprise cylindrical shell, the top of cylindrical shell is provided with sealing cover, and cylindrical shell and sealing cover are by a locking element locking; It is characterized in that: the bottom of described sealing cover has for the convenient boss installed, and boss comprises end face and outward-dipping sealing cover cone seal anchor ring, and the angle between sealing cover cone seal anchor ring and end face is 94 ° ~ 104 °; The concave station for coordinating with boss is provided with in described cylindrical shell upper opening, concave station comprises bottom surface and outward-dipping barrel taper sealing ring surface, angle between barrel taper sealing ring surface and bottom surface is 94 ° ~ 104 °, and barrel taper sealing ring surface is identical with the angle of inclination of sealing cover cone seal anchor ring;
Be provided with metal lip V-shaped ring between described sealing cover and cylindrical shell upper-end surface, metal lip V-shaped ring comprises lip metal ring and horizontal ring wall, and horizontal ring wall is positioned at the outer side wall of lip metal ring; The outer side wall of lip metal ring is divided into upper side and downside by horizontal ring wall, and upper side and downside are all in the conical seal (contact) face tilted, and upper side, angle between downside and horizontal ring wall are 93 ° ~ 103 °; Horizontal ring wall is between sealing cover and cylindrical shell upper-end surface, and the upper side of lip metal ring contacts with sealing cover cone seal anchor ring, and downside contacts with barrel taper sealing ring surface.
On the basis of technique scheme, the angle between described sealing cover cone seal anchor ring and bottom surface is 99 °, and the upper side of lip metal ring, the angle between downside and horizontal ring wall are 98 °.
On the basis of technique scheme, described sealing cover is flat cover.
On the basis of technique scheme, described locking element is clip.
On the basis of technique scheme, described lip metal ring and horizontal ring wall one-body molded.
Compared with prior art, the utility model has the advantage of:
(1) be provided with metal lip V-shaped ring between sealing cover of the present utility model and cylindrical shell upper-end surface, compared with the "O" ring made with utilizing fluorine rubber in prior art, the temperature resistant capability of metal lip V-shaped ring is stronger; Draw after tested, the utility model is used for the novel metal lip seal configuration of compression test under super high container, can meet the seal request under heavy caliber (480mm), high temperature (300 ° of C), ultrahigh pressure (250MPa) extreme condition.
(2), when the utility model seals, the lip metal ring of metal lip V-shaped ring, under the effect of internal pressure, becomes face with the cone seal anchor ring of cylindrical shell from linear contact lay with sealing cover and contacts; Therefore, compared with shape metallic leak-proof structure of the prior art, metal lip ring of the present utility model is sealed into self-tightening sealing, seals reliable.Meanwhile, lip metal ring is originally as elastic deformation structure, and before and after test, the size constancy of metal lip ring, is convenient to dismounting, and can Reusability.
Accompanying drawing explanation
Fig. 1 is the sectional view for the novel metal lip seal configuration of compression test under super high container in the utility model embodiment;
Fig. 2 is the sectional view of sealing cover in the utility model embodiment;
Fig. 3 is the sectional view of the utility model embodiment middle cylinder body;
Fig. 4 is the sectional view of metal lip V-shaped ring in the utility model embodiment.
In figure: 1-sealing cover, 1a-sealing cover cone seal anchor ring, 1b-boss, 2-locking element, 3-metal lip V-shaped ring, the horizontal ring wall of 3a-, 3b-lip metal ring, 4-cylindrical shell, 4a-barrel taper sealing ring surface, 4b-concave station.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Shown in Figure 1, the novel metal lip seal configuration for compression test under super high container in the utility model embodiment, comprises cylindrical shell 4, and the top of cylindrical shell 4 is provided with sealing cover 1, is provided with metal lip V-shaped ring 3 between sealing cover 1 and cylindrical shell 4 upper-end surface; Cylindrical shell 4 and sealing cover 1 are locked by a locking element 2.
Shown in Figure 2, the bottom of sealing cover 1 has for the convenient boss 1b installed, and boss 1b comprises end face and outward-dipping sealing cover cone seal anchor ring 1a, and the angle between sealing cover cone seal anchor ring 1a and end face is 94 ° ~ 104 °.Shown in Figure 3, the concave station 4b for coordinating with boss 1b is provided with in cylindrical shell 4 upper opening, concave station 4b comprises bottom surface and outward-dipping barrel taper sealing ring surface 4a, angle between barrel taper sealing ring surface 4a and bottom surface is 94 ° ~ 104 °, and barrel taper sealing ring surface 4a is identical with the angle of inclination of sealing cover cone seal anchor ring 1a.
Shown in Figure 4, metal lip V-shaped ring 3 comprises the lip metal ring 3b and horizontal ring wall 3a that longitudinally arrange, and horizontal ring wall 3a is positioned at the outer side wall of lip metal ring 3b.The outer side wall of lip metal ring 3b is divided into upper side and downside by horizontal ring wall 3a, and upper side and downside are all in the conical seal (contact) face tilted, and upper side, angle between downside and horizontal ring wall 3a are 93 ° ~ 103 °.Horizontal ring wall 3a is between sealing cover 1 and cylindrical shell 4 upper-end surface; The upper side of lip metal ring 3b contacts with sealing cover cone seal anchor ring 1a, and downside contacts with barrel taper sealing ring surface 4a.
In the present embodiment, sealing cover 1 is flat cover, and locking element 2 is clip; Angle between sealing cover cone seal anchor ring 1a and bottom surface is 99 °, and the upper side of lip metal ring 3b, the angle between downside and horizontal ring wall 3a are 98 °.In actual applications, lip metal ring 3b and horizontal ring wall 3a can be one-body molded, shown in Figure 4, the size (axial thickness s, radial thickness h1, total thickness h2) of metal lip V-shaped ring 3 can according to the running parameter of test chamber (bore, operating temperature and working pressure) appropriate design, to meet different sealing demands.
The encapsulating method based on the above-mentioned novel metal lip seal configuration for compression test under super high container in the utility model embodiment, comprises the following steps:
S1: calculate the regime of elastic deformation that in process of the test, metal lip V-shaped ring 3 occurs, selects the size of metal lip V-shaped ring 3, forwards S2 to according to regime of elastic deformation.
S2: initial sealing: by locking element 2 lock sealing lid 1 and cylindrical shell 4, in locking process, upper side and the sealing cover cone seal anchor ring 1a of the lip metal ring 3b of metal lip V-shaped ring 3 carry out linear contact lay, and downside and barrel taper sealing ring surface 4a carry out linear contact lay, forward S3 to.
S3: reliable sealing: in process of the test, along with the internal pressure of compression test under super high container raises, the lip metal ring 3b radial expanding deformation oil of metal lip V-shaped ring 3, produce self-tightening effect, and then make the linear contact lay between the upper side of lip metal ring 3b with sealing cover cone seal anchor ring 1a, between downside with barrel taper sealing ring surface 4a become face to contact; In process of the test, pressure reduces so that after complete pressure release, lip metal ring 3b returns to the fitted position before test, is convenient to dismounting.
Draw after tested, the novel metal lip seal configuration for compression test under super high container in the utility model embodiment, can meet the seal request under heavy caliber (480mm), high temperature (300 DEG C), ultrahigh pressure (250MPa) extreme condition.
The utility model is not limited to above-mentioned mode of execution; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications are also considered as within protection domain of the present utility model.The content be not described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. the novel metal lip seal configuration for compression test under super high container, comprise cylindrical shell (4), the top of cylindrical shell (4) is provided with sealing cover (1), and cylindrical shell (4) and sealing cover (1) are locked by a locking element (2); It is characterized in that: the bottom of described sealing cover (1) has for the convenient boss (1b) installed, boss (1b) comprises end face and outward-dipping sealing cover cone seal anchor ring (1a), and the angle between sealing cover cone seal anchor ring (1a) and end face is 94 ° ~ 104 °; The concave station (4b) for coordinating with boss (1b) is provided with in described cylindrical shell (4) upper opening, concave station (4b) comprises bottom surface and outward-dipping barrel taper sealing ring surface (4a), angle between barrel taper sealing ring surface (4a) and bottom surface is 94 ° ~ 104 °, and barrel taper sealing ring surface (4a) is identical with the angle of inclination of sealing cover cone seal anchor ring (1a);
Metal lip V-shaped ring (3) is provided with between described sealing cover (1) and cylindrical shell (4) upper-end surface, metal lip V-shaped ring (3) comprises lip metal ring (3b) and horizontal ring wall (3a), and horizontal ring wall (3a) is positioned at the outer side wall of lip metal ring (3b); The outer side wall of lip metal ring (3b) is divided into upper side and downside by horizontal ring wall (3a), upper side and downside are all in the conical seal (contact) face tilted, and upper side, angle between downside and horizontal ring wall (3a) are 93 ° ~ 103 °; Horizontal ring wall (3a) is positioned between sealing cover (1) and cylindrical shell (4) upper-end surface, the upper side of lip metal ring (3b) contacts with sealing cover cone seal anchor ring (1a), and downside contacts with barrel taper sealing ring surface (4a).
2. as claimed in claim 1 for the novel metal lip seal configuration of compression test under super high container, it is characterized in that: the angle between described sealing cover cone seal anchor ring (1a) and bottom surface is 99 °, the upper side of lip metal ring (3b), the angle between downside and horizontal ring wall (3a) are 98 °.
3., as claimed in claim 1 or 2 for the novel metal lip seal configuration of compression test under super high container, it is characterized in that: described sealing cover (1) is flat cover.
4., as claimed in claim 1 or 2 for the novel metal lip seal configuration of compression test under super high container, it is characterized in that: described locking element (2) is clip.
5., as claimed in claim 1 or 2 for the novel metal lip seal configuration of compression test under super high container, it is characterized in that: described lip metal ring (3b) and horizontal ring wall (3a) one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810828.3U CN205101564U (en) | 2015-10-19 | 2015-10-19 | A novel metal lip seal structure for surpassing high -voltage testing container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810828.3U CN205101564U (en) | 2015-10-19 | 2015-10-19 | A novel metal lip seal structure for surpassing high -voltage testing container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101564U true CN205101564U (en) | 2016-03-23 |
Family
ID=55517346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520810828.3U Active CN205101564U (en) | 2015-10-19 | 2015-10-19 | A novel metal lip seal structure for surpassing high -voltage testing container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179701A (en) * | 2015-10-19 | 2015-12-23 | 武汉海王机电工程技术公司 | Novel metal lip-shaped sealing structure for ultrahigh-pressure testing container and sealing method |
-
2015
- 2015-10-19 CN CN201520810828.3U patent/CN205101564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179701A (en) * | 2015-10-19 | 2015-12-23 | 武汉海王机电工程技术公司 | Novel metal lip-shaped sealing structure for ultrahigh-pressure testing container and sealing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105179701A (en) | Novel metal lip-shaped sealing structure for ultrahigh-pressure testing container and sealing method | |
| CN202081851U (en) | Polish rod sealing apparatus | |
| CN201902549U (en) | Novel sealing structure for ultrahigh pressure vessel | |
| CN204060602U (en) | A kind of bimetallic (spring cone) seal formula casing head | |
| CN209705719U (en) | A kind of cooling methane fluid reservoir of natural gas methane | |
| CN205101564U (en) | A novel metal lip seal structure for surpassing high -voltage testing container | |
| CN203441470U (en) | Simulation test well with replaceable inner shaft | |
| CN108561097A (en) | A kind of 3U types multistage all-metal sealing mandrel type hanger | |
| CN207268306U (en) | Spring-compensating structure for pressure container flange sealing | |
| CN105092383B (en) | Packing element sets visual test device | |
| CN204269526U (en) | A kind of device realized to coupon corrosion test under high-temperature high-pressure state | |
| CN207944909U (en) | A kind of 3U types multistage all-metal sealing mandrel type hanger | |
| CN206668202U (en) | A kind of polished rod sealer | |
| CN207018618U (en) | A kind of airtight and watertight padding for valve rod | |
| CN105465361A (en) | High-pressure quick-opening blind plate | |
| CN208719034U (en) | A kind of reducing differential pressure plunger type boosting compensation device | |
| CN204422315U (en) | A kind of additional locking devices for valve pressure test | |
| CN208934643U (en) | A kind of PR2 grade tubing head of special construction | |
| CN203374839U (en) | Ultra-low temperature gate valve | |
| CN205689754U (en) | High Pressure Fast Open blind plate | |
| CN201427042Y (en) | Aging reactor for roller heating furnace | |
| CN207456712U (en) | A kind of pressure test device for thread seal | |
| CN109209280A (en) | A kind of scene emergency processing metal sealing component | |
| CN205778578U (en) | A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe | |
| CN204214607U (en) | Liquefied natural gas bottle inner bag detection cubing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |