CN206092946U - Metal winding gasket - Google Patents
Metal winding gasket Download PDFInfo
- Publication number
- CN206092946U CN206092946U CN201621112271.7U CN201621112271U CN206092946U CN 206092946 U CN206092946 U CN 206092946U CN 201621112271 U CN201621112271 U CN 201621112271U CN 206092946 U CN206092946 U CN 206092946U
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- CN
- China
- Prior art keywords
- pad
- gasket
- ring
- band
- adjustment sheet
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a metal winding gasket, include the gasket inner ring, twine the sealing strip on gasket inner ring outer wall and cup joint the gasket outer loop outside the sealing strip, the gasket bore diameter of outer ring is greater than the endocyclic external diameter of the gasket that has twined behind the sealing strip, it is equipped with pressing blade to insert between sealing strip and the gasket outer loop, gasket outer loop inner wall and sealing strip outer wall all are interference fit with pressing blade. Twine the sealing strip outside the gasket inner ring earlier when the installation, then cup joint the gasket outer loop outside the gasket inner ring that has twined the sealing strip. Because the gasket bore diameter of outer ring is greater than the endocyclic external diameter of the gasket that has twined behind the sealing strip, so gasket outer loop easy cup jointing outside the sealing strip very. Accomplish the back cup jointing, insert in the gap of gasket outer loop and sealing strip pressing blade can, messenger metal winding gasket's installation is more convenient.
Description
Technical field
This utility model is related to gasket seal, and in particular to a kind of SW with outside ring.
Background technology
The body of spiral wound gasket is typically directly entwined by winding band, and its application in actual production becomes more next
More extensive, the especially application in oil, chemical industry, power industry highlights all the more importance.
If notification number is the patent of CN201250971, a kind of low pre-tightening force spirotallic gasket, including pad are which disclosed
Non-metallic, non-metallic and pad outer shroud are wound between outer shroud and pad internal ring, described pad outer shroud and pad internal ring
Metal tape is wound with and pad internal ring between.The pad has a good compression recovery performance, multiple-sealed and function of self-tightening,
It is less sensitive for the surface defect in flange screw face, non-caked flange sealing surface, easy centering, thus dismounting is convenient, can
The impact of pressure, temperature change and mechanical vibration is partially removed, can be handed in the circulation such as high temperature, low temperature, fine vacuum, impact shock
Under the various harsh conditions for becoming, its excellent sealing performance is kept, the features such as simple and reasonable for structure.
The shortcoming of the patent is：When the pad is processed, first metal tape and non-metallic are fitted, then by metal tape
With the winding belts being integrated of fitting in non-metallic pad outer shroud is socketed on pad internal ring, finally and has wound metal tape
Outside the pad internal ring of non-metallic.When pad outer shroud is socketed in outside pad internal ring, in order to prevent metal tape and nonmetallic
Band is loose, therefore needs to make pad outer shroud inwall be interference fit with metal tape with metal tape and pad endocyclic outer wall after installing,
Therefore pad outer shroud can be caused it is difficult to direct labor is socketed in outside the pad internal ring for having wound metal tape.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of SW with outside ring, is passed through
Introduce and compress piece, pad outer shroud is more easily socketed in outside the pad internal ring wound after band.
For achieving the above object, this utility model provides following technical scheme：
A kind of SW with outside ring, including pad internal ring, it is wrapped in the sealing that the pad endocyclic outer wall forms sealing ring
Band and the pad outer shroud being socketed in outside the sealing ring, the pad bore diameter of outer ring is more than sealing ring external diameter, the sealing ring and
Compression piece is inserted between pad outer shroud, the pad outer shroud inwall and sealing ring outer wall are in interference fit with compression piece.
By adopting above-mentioned technical proposal, first band is wrapped in outside pad internal ring when mounted, then by outside pad
Ring set is connected on outside sealing ring.Because pad bore diameter of outer ring is more than the external diameter of sealing ring, therefore pad outer shroud can easily be socketed in
Outside sealing ring.After the completion of socket, the insertion in the gap of pad outer shroud and sealing ring compresses piece, makes SW with outside ring
Installation it is more convenient.Compressing piece can make pad outer shroud inwall and sealing ring outer wall with compression piece in interference fit, so that
Integrally in stable fixed state, when in use pad outer shroud, pad internal ring and sealing ring are in geo-stationary to SW with outside ring
State, will not be mutually disengaged.
It is of the present utility model to be further arranged to：The compression piece includes that the first adjustment sheet, the second adjustment sheet and the 3rd are adjusted
Nodal plate, first adjustment sheet and the second adjustment sheet overlap to form the first overlay region, second adjustment sheet and the 3rd adjustment sheet
Overlap to form the second overlay region；When original state, the non-overlapping part in first overlay region and the second overlay region.
By adopting above-mentioned technical proposal, after the SW with outside ring is using a period of time, band can be sent out in radial direction
The a certain degree of deformation of life, so that producing gap between band and compression piece.Now need to only adjust the first adjustment sheet and
The relative position of three adjustment sheets, makes the first overlay region and the second overlay region overlap, and the radial thickness for now compressing piece is thickening, so as to
Make band again with compression piece in interference fit, extend the service life of SW with outside ring.
It is of the present utility model to be further arranged to：The two ends of first adjustment sheet, the second adjustment sheet and the 3rd adjustment sheet
It is inclined to set to form tip.
By adopting above-mentioned technical proposal, so that elder generation when the first adjustment sheet, the second adjustment sheet and the 3rd adjustment sheet are inserted
Insert the tips in the gap between band and pad outer shroud, then full wafer insertion again, so that the first adjustment sheet, the second tune
It is more efficient and convenient that nodal plate and the 3rd adjustment sheet are installed.
It is of the present utility model to be further arranged to：The pad endocyclic outer wall is raised circumferentially arranged with V-type, the band
The concave setting in middle part forms the groove being adapted with V-type projection, and the V-type projection is embedded in groove.
By adopting above-mentioned technical proposal, so that pad internal ring and sealing carry a contact angle, so that in pad
Ring and sealing carry bigger contact area, so that SW with outside ring has better seal.Simultaneously groove is raised to V-type
There is a spacing power, can make that band is evenly stable to be wrapped on pad internal ring.
It is of the present utility model to be further arranged to：The sealing ring outer wall is circumferentially coated with for preventing band loose
Fixed steel band, the compression piece is located between fixed steel band and pad outer shroud inwall.
One tightening force is carried to sealing by adopting above-mentioned technical proposal, fixed steel band, so as to band pine can be reduced
Scattered probability, while can also protect the end of band, prevents from sealing end of tape tilting.
It is of the present utility model to be further arranged to：The band includes metal tape and non-metallic, the metal tape and
Non-metallic in be brought into close contact setting and whole story end fixed by spot welding.
By adopting above-mentioned technical proposal, by the nonmetallic gap brought between filler metal band, so that the metal
Spirotallic gasket has better seal.
It is of the present utility model to be further arranged to：The height of described band is more than pad outer shroud and the height of pad internal ring
Degree.
By adopting above-mentioned technical proposal, so that sealing of the band prior to pad outer shroud and pad internal ring and force thing
Face contacts, so that the SW with outside ring has better seal.
It is of the present utility model to be further arranged to：Width of the width of the non-metallic more than metal tape.
By adopting above-mentioned technical proposal, so that at first stress is non-metallic during the SW with outside ring stress,
So as to power is played a part of one buffering, may further be used to compensate force application object force surface, so as to when SW with outside ring receive
To uniform axial force.Simultaneously non-metallic can make SW with outside ring have better seal prior to force surface contact.
This utility model has advantages below：Pad internal ring, band and pad outer shroud is set fast and easily to be arranged on
Together, stablize while connecting fastening between three；There is preferable sealing；Service life is longer.
Description of the drawings
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is the structural representation of sealing ring in embodiment one；
Fig. 3 is the sectional view of embodiment one；
Fig. 4 is the enlarged drawing in Fig. 3 at A；
Fig. 5 is the structural representation of embodiment two；
Fig. 6 is the structural representation that piece original state is compressed in embodiment two；
Fig. 7 is that the structural representation after piece is adjusted is compressed in embodiment two.
Reference：1st, pad internal ring；2nd, band；2.1st, metal tape；2.2nd, non-metallic；3rd, sealing ring；4th, steel band；
5th, pad outer shroud；6th, piece is compressed；6.1st, the first adjustment sheet；6.2nd, the second adjustment sheet；6.3rd, the 3rd adjustment sheet；7th, V-type is raised；8、
Groove；9th, the first overlay region；10th, the second overlay region.
Specific embodiment
This utility model is described further referring to the drawings.
Embodiment one：
As depicted in figs. 1 and 2, a kind of SW with outside ring, including pad internal ring 1, spiral winding on the outer wall of pad internal ring 1
There is band 2.Band 2 after winding is finished forms a sealing ring 3.As shown in figure 1, in order to prevent band 2 from scattering, it is close
The outer wall of seal 3 is circumferentially coated with steel band 4.In the outer wall of sealing ring 3 in setting is compressed, the whole story end of steel band 4 passes through the inwall of steel band 4
Spot welding is fixed.
As shown in figure 1, being socketed with pad outer shroud 5 outside steel band 4.Pad outer shroud 5 is arranged on outside steel band 4 for convenience, pad
The internal diameter of piece outer shroud 5 is more than the external diameter of steel band 4.In order that state of the steel band 4 with pad outer shroud 5 in being fixedly connected, steel band 4 and pad
Compression piece 6 is inserted between outer shroud 5, piece 6 is compressed and is arranged in circular arc, the inwall of pad outer shroud 5 and the outer wall of steel band 4 with compress piece
6 is in interference fit.
As shown in Figure 3 and Figure 4, in order to strengthen the sealing of SW with outside ring, the outer wall of pad internal ring 1 is circumferentially arranged with V
Type projection 7, the concave setting in the middle part of band 2 forms the groove 8 being adapted with V-type projection 7, and V-type projection 7 is embedded at groove 8
It is interior.Simultaneously groove 8 has a spacing power to V-type projection 7, makes that band 2 is even closer to be connected on pad internal ring 1.
As shown in figure 4, in order that SW with outside ring has a better seal, band 2 includes metal tape 2.1 and Fei Jin
Category band 2.2, metal tape 2.1 and non-metallic 2.2 are in being brought into close contact setting and whole story end is fixed by spot welding.The height of band 2
Degree is more than pad outer shroud 5 and the height of pad internal ring 1.Width of the width of non-metallic 2.2 more than metal tape 2.1.Metal tape
2.1 it is selected from rustless steel, carbon steel, nickel or titanium.Non-metallic 2.2 can be graphite, politef, asbestos or ceramics.
When the SW with outside ring is contacted with flange sealing surface, non-metallic 2.2 is contacted prior to flange sealing surface, so as to
Flange sealing surface can be compensated, make the SW with outside ring have better sealing effectiveness.
The step of installing the SW with outside ring is as follows：
1st, first by metal tape 2.1 be brought into close contact with non-metallic 2.2 together with formed band 2, then by its whole story end
Point is got up by spot-welded.
2nd, the top of band 2 is fixed on the outer wall of pad internal ring 1 by spot welding.Band 2 is spirally wound on into pad
Sealing ring 3 is formed on internal ring 1.
3rd, steel band 4 is wrapped circumferentially around on the outer wall of sealing ring 3 along sealing ring 3, steel band 4 compresses sealing ring 3, the whole story of steel band 4
End is fixed by spot welding.
4th, pad outer shroud 5 is socketed in outside steel band 4.
5th, piece 6 will be compressed to insert between the inwall of pad outer shroud 5 and the outer wall of steel band 4, so that pad outer shroud 5 and steel band 4 are equal
It is in interference fit in piece 6 is compressed, the inwall of steel band 4 and the outer wall of sealing ring 3 are also in interference fit, so that pad outer shroud 5, steel band 4
It is fixed together with sealing ring 3.
Embodiment two：
Embodiment two is with the difference of embodiment one：As shown in figure 5, compressing piece 6 is provided with three, and respectively first adjusts
Nodal plate 6.1, the second adjustment sheet 6.2 and the 3rd adjustment sheet 6.3.As shown in fig. 6, the first adjustment sheet 6.1 and the weight of the second adjustment sheet 6.2
Folded to form the first overlay region 9, the second adjustment sheet 6.2 and the 3rd adjustment sheet 6.3 overlap to form the second overlay region 10.Work as original state
When, the non-overlapping part in the first overlay region 9 and the second overlay region 10.If SW with outside ring using fatigue due to being caused nonmetallic
When band 2.2 deforms, gap is now produced between steel band 4 and sealing ring 3, band 2 can occur loosely.
Now adjust the second adjustment sheet 6.2 makes respectively with the relative position of the first adjustment sheet 6.1 and the 3rd adjustment sheet 6.3
One overlay region 9 and the second overlay region 10 overlap（As shown in Figure 7）, now the radial thickness of compression piece 6 is thickening, compresses piece 6 and compresses
Steel band 4 deforms steel band 4, so that sealing ring 3 is in again interference fit with steel band 4, makes sealing ring 3, steel band 4 and pad outer shroud
5 fix, and extend the service life of SW with outside ring.
In order that convenient, the first tune that the first adjustment sheet 6.1, the second adjustment sheet 6.2 and the 3rd adjustment sheet 6.3 are installed
The two ends of nodal plate 6.1, the second adjustment sheet 6.2 and the 3rd adjustment sheet 6.3 are inclined to set to form tip.First by tip during installation
It is inserted in the gap that need to be installed, then again loads full wafer, so that easier for installation.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from this utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of SW with outside ring, including pad internal ring（1）, be wrapped in the pad internal ring（1）Outer wall forms sealing ring（3）
Band（2）Be socketed in the sealing ring（3）Outer pad outer shroud（5）, it is characterized in that：The pad outer shroud（5）Internal diameter
More than sealing ring（3）External diameter, the sealing ring（3）With pad outer shroud（5）Between be inserted with compression piece（6）, the pad outer shroud
（5）Inwall and sealing ring（3）Outer wall with compress piece（6）In interference fit.
2. a kind of SW with outside ring according to claim 1, is characterized in that：The compression piece（6）Adjust including first
Piece（6.1）, the second adjustment sheet（6.2）With the 3rd adjustment sheet（6.3）, first adjustment sheet（6.1）With the second adjustment sheet（6.2）
Overlap to form the first overlay region（9）, second adjustment sheet（6.2）With the 3rd adjustment sheet（6.3）Overlap to form the second overlay region
（10）；When original state, first overlay region（9）With the second overlay region（10）Non-overlapping part.
3. a kind of SW with outside ring according to claim 2, is characterized in that：First adjustment sheet（6.1）, second adjust
Nodal plate（6.2）With the 3rd adjustment sheet（6.3）Two ends be inclined to set to form tip.
4. a kind of SW with outside ring according to claim 3, is characterized in that：The pad internal ring（1）Outer wall is circumferentially
It is provided with V-type raised（7）, the band（2）The concave setting in middle part forms raised with V-type（7）The groove being adapted（8）, institute
State V-type raised（7）It is embedded at groove（8）It is interior.
5. a kind of SW with outside ring according to claim 4, is characterized in that：The sealing ring（3）Outer wall is circumferentially wrapped
It is covered with for preventing band（2）Loose fixed steel band（4）, the compression piece（6）Positioned at fixed steel band（4）With pad outer shroud
（5）Between inwall.
6. a kind of SW with outside ring according to claim 1 or 2 or 3 or 4 or 5, is characterized in that：The band（2）
Including metal tape（2.1）And non-metallic（2.2）, the metal tape（2.1）And non-metallic（2.2）In be brought into close contact arrange and
Whole story end is fixed by spot welding.
7. a kind of SW with outside ring according to claim 6, is characterized in that：Described band（2）Height be more than
Pad outer shroud（5）With pad internal ring（1）Height.
8. a kind of SW with outside ring according to claim 6, is characterized in that：The non-metallic（2.2）Width it is big
In metal tape（2.1）Width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112271.7U CN206092946U (en) | 2016-10-11 | 2016-10-11 | Metal winding gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112271.7U CN206092946U (en) | 2016-10-11 | 2016-10-11 | Metal winding gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092946U true CN206092946U (en) | 2017-04-12 |
Family
ID=60413742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621112271.7U Expired - Fee Related CN206092946U (en) | 2016-10-11 | 2016-10-11 | Metal winding gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092946U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620797A (en) * | 2017-10-01 | 2018-01-23 | 江苏金烨钛业有限公司 | A kind of metal wound gasket with screen pack |
| CN109539966A (en) * | 2018-11-22 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of fixing device for installing and installation method of condenser type gap sensor |
-
2016
- 2016-10-11 CN CN201621112271.7U patent/CN206092946U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620797A (en) * | 2017-10-01 | 2018-01-23 | 江苏金烨钛业有限公司 | A kind of metal wound gasket with screen pack |
| CN109539966A (en) * | 2018-11-22 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of fixing device for installing and installation method of condenser type gap sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20191011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |