CN206190907U - General stopper sealing washer of ultra -low temperature - Google Patents
General stopper sealing washer of ultra -low temperature Download PDFInfo
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- CN206190907U CN206190907U CN201621289489.XU CN201621289489U CN206190907U CN 206190907 U CN206190907 U CN 206190907U CN 201621289489 U CN201621289489 U CN 201621289489U CN 206190907 U CN206190907 U CN 206190907U
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- spring
- chamber wall
- wall
- sealing ring
- ultralow temperature
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Abstract
The utility model discloses a general stopper sealing washer of ultra -low temperature, including the casing, be provided with the ascending U die cavity of opening on the casing, the large -space of the left and right sides of left side chamber wall outer wall and right chamber wall outer wall is greater than the large -space of the left and right sides of other positions of casing, it gives left chamber wall and right parietal spring still to be provided with the power of suppressing of applying in the U die cavity, this is through the setting of U die cavity and spring, left chamber wall and right chamber wall are outwards extrudeed to the extrusion force of utilizing the spring to produce, the effect that left side chamber wall and right chamber wall received the extrusion force closely cooperates with sealed face, because of the crowded pressure stability's of spring characteristics and then realized better sealed effect, the demand of production has been satisfied, which comprises a housin,
Description
Technical field
The utility model is related to low temperature seal field, more particularly to a kind of general plug sealing ring of ultralow temperature.
Background technology
It is general to require in ultralow temperature industry such as LNG, LPG, LEG etc. recently as oil, the fast development of shale gas
The resistance to low temperature of equipment between -196 DEG C~260 DEG C, therefore to ultralow temperature equipment such as gate valve, check-valves, ball valve etc. can
By property, adaptability, stability and sealing requirements also more and more higher.Sealing ring is used as one indispensable master of ultralow temperature equipment
Part is wanted, the guarantee to ultralow temperature equipment dependability, stability plays an important role.And ultralow temperature equipment sealing both at home and abroad at present
Design Main Basiss API-6D-2008 and Britain BS6364 standards perform.All kinds of sealing rings are under ultralow temperature equipment on the market
Gas leakage is easily caused when using, sealing effectiveness is not good, although many producers are carried out to the structure and material performance of sealing ring
Optimization, improve, achieve some effects, but the condition needed for being simultaneously not up to ultralow temperature equipment, therefore research and development low temperature valve
Gate seal, is the important guarantee of the application of the Scientific research equipment such as big science engineering and development, with very important science and reality
Meaning.
Utility model content
To solve the above problems, the utility model provides the general plug sealing of ultralow temperature of a kind of simple structure, good sealing effect
Circle.
The utility model solves the technical scheme that its technical problem used：
A kind of general plug sealing ring of ultralow temperature, including housing, are provided with the U-shaped chamber of opening upwards, housing and U-shaped chamber on housing
The cavity wall of left and right two of formation is respectively left chamber wall and right chamber wall, and left chamber wall outer wall is big with the left and right maximum spacing of right chamber wall outer wall
In the left and right maximum spacing of housing other positions, applying elastic force pressure is additionally provided with U-shaped chamber to left chamber wall and the spring of right chamber wall,
The outer wall for extruding left chamber wall and right chamber wall by the elastic force of spring realizes sealing.
Used as the further improvement of above-mentioned technical proposal, housing is strip, and U-shaped chamber extends along the length direction of housing.
As the further improvement of above-mentioned technical proposal, if spring is the metal circular spring of xeromenia liquid nitrogen deep treatment.
Used as the further improvement of above-mentioned technical proposal, spring is the spring in O-shaped helical spiral.
Used as the further improvement of above-mentioned technical proposal, spring at least includes outer layer spring and internal layer spring two-layer, outer layer
Spring extruding is arranged between the inwall of left chamber wall and the inwall of right chamber wall, and internal layer spring housing is in outer layer spring.
Used as the further improvement of above-mentioned technical proposal, the outer wall of left chamber wall and right chamber wall is outwardly, left chamber wall and
The inwall of right chamber wall caves inward to place spring.
Used as the further improvement of above-mentioned technical proposal, spring at least includes being separately positioned on U-shaped chamber upper and lower part
Outer layer spring and internal layer spring, outer layer spring and internal layer spring are some V-shape shell fragments being stitched together successively, spring
V-shape opening direction is identical with the opening direction in U-shaped chamber, and left chamber wall is provided with draw-in groove, internal layer spring with the upper end of right chamber wall
Two V-shape ends be arranged in U-shaped chamber by two draw-in grooves.
Used as the further improvement of above-mentioned technical proposal, the outer upper of left chamber wall and right chamber wall is provided with some convex
Block.
As the further improvement of above-mentioned technical proposal, spacing is provided between outer layer spring and internal layer spring.
Used as the further improvement of above-mentioned technical proposal, housing is by low temperature resistant PTFE material or Other Engineering plastic production
Into.
The beneficial effects of the utility model：The setting that the general plug sealing ring of this ultralow temperature passes through U-shaped chamber and spring, using spring
The extruding force of generation outwardly against left chamber wall and right chamber wall, left chamber wall and right chamber wall be squeezed power effect it is tight with sealing surface
Coordinate, because spring extruding force stabilization the characteristics of so that realize better seal effect, meet the demand of production.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the schematic cross-section of the general plug sealing ring first embodiment structure of ultralow temperature；
Fig. 2 is the spring structure schematic diagram of the general plug sealing ring first embodiment of ultralow temperature；
Fig. 3 is the schematic cross-section of the general plug sealing ring second embodiment structure of ultralow temperature；
Fig. 4 is the spring structure schematic diagram of the general plug sealing ring second embodiment of ultralow temperature；
Fig. 5 is the operating diagram of the general plug sealing ring first embodiment structure of ultralow temperature.
Specific embodiment
Referring to figs. 1 to Fig. 5, the utility model is a kind of general plug sealing ring of ultralow temperature, including housing 1, is provided with housing 1
The U-shaped chamber 2 of opening upwards, the cavity wall of the left and right that housing 1 is formed with U-shaped chamber 2 two is respectively left chamber wall 21 and right chamber wall 22, left chamber
The outer wall of wall 21 is more than the left and right maximum spacing of the other positions of housing 1 with the left and right maximum spacing of the outer wall of right chamber wall 22, in U-shaped chamber 2
The spring 3 for applying elastic force pressure to left chamber wall 21 and right chamber wall 22 is additionally provided with, left chamber wall 21 and the right side are extruded by the elastic force of spring 3
The outer wall of cavity wall 22 realizes sealing.
By the setting of U-shaped chamber 2 and spring 3, using the extruding force of the generation of spring 3 outwardly against left chamber wall 21 and right chamber wall
22, left chamber wall 21 and right chamber wall 22 are squeezed the effect of power and sealing surface is fitted close, the characteristics of because of the extruding force of spring 3 stabilization
And then better seal effect is realized, meet the demand of production.
Used as preferred embodiment, housing 1 is strip, and U-shaped chamber 2 extends along the length direction of housing 1.
As preferred embodiment, if spring 3 is the metal circular spring of xeromenia liquid nitrogen deep treatment.
Used as preferred embodiment, spring 3 is the spring in O-shaped helical spiral.
Used as preferred embodiment, spring 3 at least includes outer layer spring 31 and the two-layer of internal layer spring 32, outer layer spring 31
Extruding is arranged between the inwall of left chamber wall 21 and the inwall of right chamber wall 22, and internal layer spring 32 is enclosed within outer layer spring 31, the spring 3
Outer layer spring 31 and the two-layer of internal layer spring 32 are not limited to, the multilayers such as three layers or four layers can be set.
Used as preferred embodiment, the outer wall of left chamber wall 21 and right chamber wall 22 is outwardly, left chamber wall 21 and right chamber
The inwall of wall 22 caves inward to place spring 3.
Used as preferred embodiment, spring 3 at least includes being separately positioned on the outer layer spring of the upper and lower part of U-shaped chamber 2
31 and internal layer spring 32, outer layer spring 31 and internal layer spring 32 are some V-shape shell fragments being stitched together successively, spring 3
V-shape opening direction it is identical with the opening direction in U-shaped chamber 2, the upper end of left chamber wall 21 and right chamber wall 22 is provided with draw-in groove, interior
Two V-shape ends of layer spring 32 are arranged in U-shaped chamber 2 by two draw-in grooves, and the spring 3 is not limited to the He of outer layer spring 31
The two-layer of internal layer spring 32, can set the multilayers such as three layers or four layers.
Used as preferred embodiment, the outer upper of left chamber wall 21 and right chamber wall 22 is provided with some projections 23.
As preferred embodiment, spacing is provided between outer layer spring 31 and internal layer spring 32, can so ensure outer
Can mutually be slided between layer spring 31 and internal layer spring 32, it is ensured that elastic force is uniform, and outer layer spring 31 and internal layer spring 32 are by liquid
Nitrogen subzero treatment is simultaneously welded together using special process.
Used as preferred embodiment, housing 1 is formed by low temperature resistant PTFE material or Other Engineering plastic production.
Fig. 1, Fig. 2 and Fig. 5 are first embodiment, and the general plug sealing ring of the ultralow temperature includes housing 1, is provided with out on housing 1
Mouthful upward U-shaped chamber 2, housing 1 is strip, and U-shaped chamber 2 extends along the length direction of housing 1, the outer wall of left chamber wall 21 and right chamber wall
The left and right maximum spacing of 22 outer walls is provided with applying elastic force pressure more than the left and right maximum spacing of the other positions of housing 1 in U-shaped chamber 2
To the spring 3 of left chamber wall 21 and right chamber wall 22, if spring 3 is the metal circular spring of xeromenia liquid nitrogen deep treatment, spring 3 also may be used
Be Fig. 2 O-shaped helical spiral spring, spring 3 include outer layer spring 31 and the two-layer of internal layer spring 32, outer layer spring 31 squeeze
Pressure is arranged between the inwall of left chamber wall 21 and the inwall of right chamber wall 22, and internal layer spring 32 is enclosed within outer layer spring 31, outer layer spring
It is provided with spacing between 31 and internal layer spring 32, the outer wall middle part of left chamber wall 21 and right chamber wall 22 is outwardly, and the protuberance
It is divided into the left and right maximum spacing of the outer wall of left chamber wall 21 and the outer wall of right chamber wall 22, so can just makes spring 3 outwardly against left chamber wall
21 and projection more close contact seals is utilized during right chamber wall 22, to reach better seal effect, the He of left chamber wall 21
The inwall of right chamber wall 22 caves inward to place spring 3.
Fig. 3 and Fig. 4 is second embodiment, the general plug sealing ring of the ultralow temperature, including housing 1, be provided with housing 1 opening to
On U-shaped chamber 2, housing 1 is strip, and U-shaped chamber 2 extends along the length direction of housing 1, outside the outer wall of left chamber wall 21 and right chamber wall 22
More than the left and right maximum spacing of the other positions of housing 1, the maximum spacing is the outer wall of left chamber wall 21 and the right side to the maximum spacing in the left and right of wall
Applying elastic force pressure is provided with maximum spacing between some projections 23 set on the outer wall of cavity wall 22, U-shaped chamber 2 and gives the He of left chamber wall 21
The spring 3 of right chamber wall 22, spring 3 includes being separately positioned on the outer layer spring 31 and internal layer spring 32 of the upper and lower part of U-shaped chamber 2,
Outer layer spring 31 and internal layer spring 32 are some V-shape shell fragments being stitched together successively, the V-shape opening direction of spring 3
Opening direction with U-shaped chamber 2 is identical, and left chamber wall 21 is provided with draw-in groove, two V of internal layer spring 32 with the upper end of right chamber wall 22
Font end is arranged in U-shaped chamber 2 by two draw-in grooves, and spacing is provided between outer layer spring 31 and internal layer spring 32.
Certainly, the utility model is not limited to above-mentioned implementation method, and those of ordinary skill in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent deformations or replacement are all contained in the application
In claim limited range.
Claims (10)
1. the general plug sealing ring of a kind of ultralow temperature, it is characterised in that：Including housing（1）, the housing（1）On be provided with opening upwards
U-shaped chamber（2）, the housing（1）With U-shaped chamber（2）The cavity wall of left and right two of formation is respectively left chamber wall（21）And right chamber wall
（22）, the left chamber wall（21）Outer wall and right chamber wall（22）The left and right maximum spacing of outer wall is more than housing（1）A left side for other positions
Right maximum spacing, the U-shaped chamber（2）Applying elastic force pressure is inside additionally provided with to left chamber wall（21）And right chamber wall（22）Spring（3）,
By the spring（3）Elastic force extruding left chamber wall（21）And right chamber wall（22）Outer wall realize sealing.
2. the general plug sealing ring of ultralow temperature according to claim 1, it is characterised in that：The housing（1）It is strip, it is described
U-shaped chamber（2）Along housing（1）Length direction extend.
3. the general plug sealing ring of ultralow temperature according to claim 2, it is characterised in that：The spring（3）If being xeromenia liquid nitrogen
The metal circular spring of subzero treatment.
4. the general plug sealing ring of ultralow temperature according to claim 2, it is characterised in that：The spring（3）It is in O-shaped helical form
The spring for spiraling.
5. the general plug sealing ring of ultralow temperature according to any one of claim 3 or 4, it is characterised in that：The spring（3）Extremely
Include outer layer spring less（31）With internal layer spring（32）Two-layer, the outer layer spring（31）Extruding is arranged on left chamber wall（21）It is interior
Wall and right chamber wall（22）Inwall between, the internal layer spring（32）It is enclosed within outer layer spring（31）It is interior.
6. the general plug sealing ring of ultralow temperature according to claim 5, it is characterised in that：The left chamber wall（21）And right chamber wall
（22）Outer wall it is outwardly, the left chamber wall（21）And right chamber wall（22）Inwall cave inward to place spring（3）.
7. the general plug sealing ring of ultralow temperature according to claim 2, it is characterised in that：The spring（3）At least include difference
It is arranged on U-shaped chamber（2）The outer layer spring of upper and lower part（31）With internal layer spring（32）, the outer layer spring（31）With internal layer bullet
Spring（32）It is some V-shape shell fragments being stitched together successively, the spring（3）V-shape opening direction and U-shaped chamber（2）
Opening direction it is identical, the left chamber wall（21）With right chamber wall（22）Upper end be provided with draw-in groove, the internal layer spring（32）
Two V-shape ends be arranged on U-shaped chamber by two draw-in grooves（2）It is interior.
8. the general plug sealing ring of ultralow temperature according to claim 7, it is characterised in that：The left chamber wall（21）And right chamber wall
（22）Outer upper be provided with some projections（23）.
9. the general plug sealing ring of ultralow temperature according to claim 6~8 any one, it is characterised in that：The outer layer spring
（31）With internal layer spring（32）Between be provided with spacing.
10. the general plug sealing ring of ultralow temperature according to claim 1, it is characterised in that：The housing（1）By low temperature resistant PTFE
Material or Other Engineering plastic production are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289489.XU CN206190907U (en) | 2016-11-28 | 2016-11-28 | General stopper sealing washer of ultra -low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289489.XU CN206190907U (en) | 2016-11-28 | 2016-11-28 | General stopper sealing washer of ultra -low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190907U true CN206190907U (en) | 2017-05-24 |
Family
ID=58724058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621289489.XU Active CN206190907U (en) | 2016-11-28 | 2016-11-28 | General stopper sealing washer of ultra -low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194647A (en) * | 2018-03-19 | 2018-06-22 | 江苏神通阀门股份有限公司 | A kind of antiwear SPE valve base sealing structures |
| CN113431710A (en) * | 2021-05-19 | 2021-09-24 | 蓝箭航天技术有限公司 | Reversing valve of liquid rocket engine and liquid rocket engine |
-
2016
- 2016-11-28 CN CN201621289489.XU patent/CN206190907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194647A (en) * | 2018-03-19 | 2018-06-22 | 江苏神通阀门股份有限公司 | A kind of antiwear SPE valve base sealing structures |
| CN113431710A (en) * | 2021-05-19 | 2021-09-24 | 蓝箭航天技术有限公司 | Reversing valve of liquid rocket engine and liquid rocket engine |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 1 Xinyu North Road, Ningxi Street, Zengcheng District, Guangzhou City, Guangdong Province, 510000 Patentee after: GUANGZHOU JST SEALS TECHNOLOGY Co.,Ltd. Address before: 510530 block B, 718 Kaichuang Avenue, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee before: GUANGZHOU JST SEALS TECHNOLOGY Co.,Ltd. |