CN209340487U - SW with outside ring - Google Patents
SW with outside ring Download PDFInfo
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- CN209340487U CN209340487U CN201822123065.1U CN201822123065U CN209340487U CN 209340487 U CN209340487 U CN 209340487U CN 201822123065 U CN201822123065 U CN 201822123065U CN 209340487 U CN209340487 U CN 209340487U
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- ring
- close
- outside ring
- steel band
- supporting steel
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Abstract
The utility model relates to a kind of SW with outside ring, support ring including inner ring, the positioning ring of outer ring and the sealant being disposed there between, it is characterized by: the sealant includes several layers metal tape and filler material band that alternately winding is arranged, the filler material band includes being stacked in the graphite encapsulation layer close to inner ring and the polytetrafluoroethylene (PTFE) and/or ceramic fibre sealant close to outer ring, the metal tape is arranged between the filler material band of any adjacent two layers, compared with prior art, the utility model has the advantage of SW with outside ring to use close to the polytetrafluoroethylene (PTFE) and/or ceramic fibre sealant of outer ring and close to the graphite encapsulation layer of inner ring, polytetrafluoroethylene (PTFE) and/or ceramic fibre are material easy to clean, graphite can be resistant to high temperature, simultaneously, utilize graphite encapsulation layer feature resistant to high temperature, it is disposed at close to inner ring , so that the SW with outside ring after preparation also assures property easy to clean while guaranteeing that heat resistance improves.
Description
Technical field
The utility model relates to sealing material technical field more particularly to a kind of SW with outside ring.
Background technique
SW with outside ring is that one kind is replaced by the shaped-steel strip of certain geometric cross section (such as V-type or W type) with non-metallic
The combined flat shim being entwined.In the inner side and outer side of SW with outside ring, it is made of a few circle steel bands, inside steel band is opened
Spirotallic gasket is formed an entirety by butt-joint with outside steel band end by end.SW with outside ring takes full advantage of shaped-steel strip
Heat resistance, compression resilience so that SW with outside ring is provided with non-gold while by the combination of shaped-steel strip and non-metallic
Belong to the excellent sealing performance of filling tape.SW with outside ring can be used under general condition, in particular for have stress relaxation,
Temperature and pressure has fluctuation, the flange seal under the conditions of impact and vibration.
Since SW with outside ring belongs to complex superposition type structure, the mechanical performances such as antitorque, bending resistance and shearing resistance have bright
Aobvious free property, and differ greatly, it is easy for destroying in the weak direction such as thickness direction and vertical axial, especially be twined in metal
Reaching 2 meters to 3 meters around the diameter of gasket with Shangdi, the spoilage of SW with outside ring is higher, in transport and installation, if by
It is excessive to impacting or shaking, the phenomenon that by causing the steel band in the SW with outside ring to fall apart.A number of patent application is thus
The Chinese utility model application " a kind of SW with outside ring " of (201210130030.5 application publication number CN106884985A)
It discloses and is related to a kind of double fixing seal gaskets, be made of interior fixed ring, sealing ring and outer fixed ring, the sealing ring is by gold
Belong to the annular component that band and non-metallic are constituted, metal tape and non-metallic are arranged alternately, the shape of the metal tape and non-metallic
Shape be it is W-shaped, enhance the intensity of wound gasket and be not likely to produce big expansion and contraction, and its recovery and resilience are strong,
Anti-pressure ability is strong, therefore, how to guarantee the high temperature requirement of SW with outside ring, while improving its property easy to clean, is current ability
Field technique personnel's urgent problem to be solved.
Utility model content
Technical problem to be solved in the utility model is to provide one kind for above-mentioned state of the art and guaranteeing to twine
Around the high temperature requirement of gasket, while the SW with outside ring of its property easy to clean can also be improved.
Technical solution adopted by the utility model to solve the above technical problems is as follows: the SW with outside ring, including inner ring
Support ring, outer ring positioning ring and the sealant that is disposed there between, it is characterised in that: the sealant includes several layers
The alternately metal tape and filler material band of winding setting, the filler material band include the graphite encapsulation layer being stacked close to inner ring
And filling out for any adjacent two layers is arranged in polytetrafluoroethylene (PTFE) and/or ceramic fibre sealant close to outer ring, the metal tape
Between charge band.
Further, the metal tape includes V-type supporting steel band, and the V-type supporting steel band is set as the more V-types in broadband,
The angle [alpha] of the V-type is 80~85 °.It is close between the support ring of SW with outside ring inner ring and the positioning ring of outer ring due to being arranged in
The V-type supporting steel band of sealing is set as 80~85 ° by angle, so that it is empty to increase extension of the supporting steel band in pressurized process
Between, compression stroke is increased, prevents supporting steel band from easily falling apart under impact, pressure vibration and playing the role of better seal, together
When V-type supporting steel band be set as the more V-types in broadband, that is, have adjusted the thickness and width of supporting steel band, supporting steel band can be greatly improved
Bearing capacity, non-deformability and supporting area.
For preferably fixed filler material band, the V-type supporting steel band includes to push against the upper of the filler material band to put down
Straight section and lower flat segments.
Further, every slice width degree of the V-type supporting steel band is 1.5mm~2mm.The broadband tune of V-type supporting steel band
Section, can greatly improve the bearing capacity and deformation resistance of supporting steel band.
Preferably, the angle [alpha] of the V-type is 80 °.
In order to improve antitorque, the anti-bending strength of the SW with outside ring, the top of the upper flat segments of the V-type supporting steel band
It is higher by the top of the support ring, and the two is formed with bending section.
Preferably, the bending angle γ of the upper bending section is 80 °~90 °.Bending section is able to achieve on this winds in metal
When gasket upper surface is pressurized, upper bending section can improve warping resistance ability and resilience.
Similarly, straight under the V-type supporting steel band in order to improve antitorque, the anti-bending strength of the SW with outside ring
The bottom end of section is formed with lower bending section lower than the bottom end of the support ring.
Preferably, the bending angle β of the lower bending section is 80 °~90 °.Bending section is able to achieve in metal wound gasket on this
When piece lower surface is pressurized, lower bending section can improve warping resistance ability and resilience.
In order to improve the high temperature resistant and property easy to clean of SW with outside ring, the sealant close to outer ring includes
Polytetrafluoroethylene (PTFE) and ceramic fibre, the arrangement of the polytetrafluoroethylene (PTFE) and ceramic fibre are as follows: the ceramic fibre is arranged any
Between two layers of polytetrafluoroethylene (PTFE).
Compared with prior art, the polytetrafluoroethyl-ne close to outer ring is used the utility model has the advantage of SW with outside ring
The graphite encapsulation layer of alkene and/or ceramic fibre sealant and close inner ring, polytetrafluoroethylene (PTFE) and/or ceramic fibre are material easy to clean
Material, graphite can be resistant to high temperature, meanwhile, it using graphite encapsulation layer feature resistant to high temperature, is disposed at close to inner ring, so that system
SW with outside ring after standby also assures property easy to clean while guaranteeing that heat resistance improves.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the I magnified partial view in Fig. 1；
Fig. 3 is the structural schematic diagram of the V-type supporting steel band in Fig. 1.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
It as shown in Figures 1 to 3, is the optimal embodiment of the utility model.The SW with outside ring in the present embodiment, including it is interior
The support ring of circle, the positioning ring of outer ring and the sealant being disposed there between, sealant include several layers alternately winding setting
Metal tape and filler material band, filler material band includes the graphite encapsulation layer being stacked close to inner ring and close to the poly- of outer ring
Tetrafluoroethene and/or ceramic fibre sealant, metal tape are arranged between the filler material band of any adjacent two layers, using close to outer
The graphite encapsulation layer of the polytetrafluoroethylene (PTFE) and/or ceramic fibre sealant of circle and close inner ring, polytetrafluoroethylene (PTFE) and/or ceramics are fine
Dimension is material easy to clean, and graphite can be resistant to high temperature, meanwhile, using graphite encapsulation layer feature resistant to high temperature, it is disposed at and leans on
Nearly inner ring, so that the SW with outside ring after preparation also assures property easy to clean while guaranteeing that heat resistance improves, in order to mention
The high temperature resistant of high metal spirotallic gasket and property easy to clean, it is preferable that the sealant close to outer ring includes polytetrafluoroethylene (PTFE)
And ceramic fibre, the arrangement of polytetrafluoroethylene (PTFE) and ceramic fibre are as follows: ceramic fibre is arranged between any two layers of polytetrafluoroethylene (PTFE).
In addition, metal tape includes V-type supporting steel band in the present embodiment, V-type supporting steel band is set as the more V-types in broadband, the V
The angle [alpha] of type is 80~85 °, is sealed due to being arranged between the support ring of SW with outside ring inner ring 2 and the positioning ring of outer ring
The V-type supporting steel band of layer is set as 82 ° by angle, to increase extension space of the supporting steel band in pressurized process, increases
Compression stroke prevents supporting steel band from easily falling apart under impact, pressure vibration and plays the role of better seal, while V-type branch
Support steel band is set as the more V-types in broadband, that is, has adjusted the thickness and width of supporting steel band, can greatly improve the carrying energy of supporting steel band
Power, non-deformability and supporting area.For preferably fixed filler material band, V-type supporting steel band includes abutting filler material
The upper flat segments of band and lower flat segments.And every slice width degree of V-type supporting steel band is 1.7mm.The broadband of V-type supporting steel band is adjusted,
The bearing capacity and deformation resistance of supporting steel band can be greatly improved.The angle [alpha] of V-type is 80 °.
Finally, improve antitorque, the anti-bending strength of the SW with outside ring in the present embodiment, V-type supporting steel band it is upper
The top of flat segments is higher by the top of support ring, and the two is formed with bending section.The bending angle γ of upper bending section is 80 °
~90 °.On this bending section be able to achieve SW with outside ring upper surface be pressurized when, upper bending section can improve warping resistance ability and
Resilience.Similarly, in order to improve antitorque, the anti-bending strength of the SW with outside ring, the lower flat segments of V-type supporting steel band
Bottom end is formed with lower bending section lower than the bottom end of support ring.The bending angle β of lower bending section is 80 °~90 °.Bending section energy on this
Realize that lower bending section can improve warping resistance ability and resilience when SW with outside ring lower surface is pressurized.It simultaneously will be close
Sealing is set as the multilayered structure of winding setting, so that each circle sealing structure of winding can play sealing function, specifically,
Graphite encapsulation layer includes the multilayered structure of winding setting, and graphite encapsulation layer is to be prepared by single carbon shoe by pressing process
It at the structure of multi-lay winding, is in close contact between each layer, and sealing effect is played by the graphite-structure of multilayer, ensure that conveying
Sealing effect between pipeline.In addition, being still easy transporting after the SW with outside ring of multilayered structure is arranged in the present embodiment
And the phenomenon that in loading process by axial folding force being generated mutual dislocation between sealant, by setting support ring and fixed
Position ring limits internal sealant, can improve the non-deformability of SW with outside ring to a certain extent.
Claims (10)
1. a kind of SW with outside ring, the positioning ring (2) of support ring (1), outer ring including inner ring and it is disposed there between
Sealant (3), it is characterised in that: the sealant (3) includes several layers metal tape (4) and filler material that alternately winding is arranged
Band, the filler material band include being stacked in the graphite encapsulation layer (31) close to inner ring and the polytetrafluoroethylene (PTFE) close to outer ring
(32) and/or ceramic fibre (33) sealant, the metal tape (4) are arranged between the filler material band of any adjacent two layers.
2. SW with outside ring according to claim 1, it is characterised in that: the metal tape (4) includes V-type supporting steel
Band, the V-type supporting steel band are set as the more V-types in broadband, and the angle [alpha] of the V-type is 80~85 °.
3. SW with outside ring according to claim 2, it is characterised in that: the V-type supporting steel band includes to push against
The upper flat segments (41) and lower flat segments (42) of the filler material band.
4. SW with outside ring according to claim 3, it is characterised in that: every slice width degree of the V-type supporting steel band
For 1.5mm~2mm.
5. SW with outside ring according to claim 4, it is characterised in that: the angle [alpha] of the V-type is 80 °.
6. according to SW with outside ring described in claim 3~5 any one, it is characterised in that: the V-type supporting steel band
The top of upper flat segments (41) is higher by the top of the support ring (1), and the two is formed with bending section (410).
7. SW with outside ring according to claim 6, it is characterised in that: the bending angle of the upper bending section (410)
γ is 80 °~90 °.
8. according to SW with outside ring described in claim 3~5 any one, it is characterised in that: the V-type supporting steel band
The bottom end of lower flat segments (42) is formed with lower bending section (420) lower than the bottom end of the support ring (1).
9. SW with outside ring according to claim 8, it is characterised in that: the bending angle β of the lower bending section (420)
It is 80 °~90 °.
10. SW with outside ring described in any one according to claim 1~5, it is characterised in that: close to the described close of outer ring
Sealing (3) includes polytetrafluoroethylene (PTFE) (32) and ceramic fibre (33), the polytetrafluoroethylene (PTFE) (32) and ceramic fibre (33)
Arrangement are as follows: the ceramic fibre (33) is arranged between any two layers of polytetrafluoroethylene (PTFE) (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123065.1U CN209340487U (en) | 2018-12-18 | 2018-12-18 | SW with outside ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123065.1U CN209340487U (en) | 2018-12-18 | 2018-12-18 | SW with outside ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209340487U true CN209340487U (en) | 2019-09-03 |
Family
ID=67757425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822123065.1U Active CN209340487U (en) | 2018-12-18 | 2018-12-18 | SW with outside ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209340487U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038050A (en) * | 2019-12-03 | 2020-04-21 | 合肥一密科技有限公司 | Self-lubricating and high-wear-resistance non-metal sealing sliding block and manufacturing method thereof |
| CN115274499A (en) * | 2022-07-20 | 2022-11-01 | 无锡松煜科技有限公司 | Boron diffusion process method using graphite sealing gasket |
-
2018
- 2018-12-18 CN CN201822123065.1U patent/CN209340487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038050A (en) * | 2019-12-03 | 2020-04-21 | 合肥一密科技有限公司 | Self-lubricating and high-wear-resistance non-metal sealing sliding block and manufacturing method thereof |
| CN115274499A (en) * | 2022-07-20 | 2022-11-01 | 无锡松煜科技有限公司 | Boron diffusion process method using graphite sealing gasket |
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