CN203348538U - Winding gasket - Google Patents
Winding gasket Download PDFInfo
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- CN203348538U CN203348538U CN 201320320511 CN201320320511U CN203348538U CN 203348538 U CN203348538 U CN 203348538U CN 201320320511 CN201320320511 CN 201320320511 CN 201320320511 U CN201320320511 U CN 201320320511U CN 203348538 U CN203348538 U CN 203348538U
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- ring
- spirotallic gasket
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- sealing
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Abstract
The utility model provides a winding gasket which comprises a supporting ring on the inner circle, a location ring on the outer circle and a sealing layer arranged between the supporting ring and the location ring. The sealing layer comprises a plurality of layers of sealing structures which are arranged between the supporting ring and the location ring in a stacked mode, and the sealing layer further comprises a polytetrafluoroethylene sealing layer body close to the inner circle and a graphite sealing layer body close to the outer circle. The characteristic that the polytetrafluoroethylene sealing layer body has the good acid-base resistance is used, after the winding gasket is used in a pipe of chemical medicine liquid, pharmacy medicine liquid and the like for a long time, cleaning work on the conveying pipe is easily achieved, the polytetrafluoroethylene sealing layer body is arranged on the inner layer, and the safety of the medicine liquid in the conveying pipe is guaranteed. Meanwhile, the high-temperature-resisting characteristic of the graphite sealing layer body is used, the graphite sealing layer body is arranged on the exterior, therefore, the heat-resisting characteristic of the prepared winding gasket is wholly improved, and the easily-cleaning performance of the interior of the conveying pipe is guaranteed while the acid-base resistant performance is guaranteed.
Description
Technical field
The utility model relates to the sealing material technical field, more particularly, relates to a kind of spirotallic gasket.
Background technique
In chemical industry, pharmaceutical industries, splice the liquid in production process is carried by pipeline, guarantee sealing function by spirotallic gasket between the pipeline of splicing.
Spirotallic gasket by the positioning ring of the support ring that is located at inner ring, outer ring and winding be filled between the two in the middle of fill sealing configuration and form.Support ring and positioning ring are set to metallic material usually, and middle filling sealing configuration can be used graphite or teflon according to the difference of Environmental Conditions.
Graphite-filled winding sealing gasket, due to the resistant to elevated temperatures characteristics of graphite, can be applicable to the environment of maximum temperature to 550 degree, yet the acid-alkali-resistant degree of graphite is low, in long-term using process, easily dissolve, cause the pollution of carrying liquid, make production environment dirtier, be unfavorable for the transportation of liquid.Adopt the winding sealing gasket of teflon, it has stronger resistance to acids and bases, and spatter property is good, yet, a little less than the heat-resisting ability of the spirotallic gasket of teflon material, can only be applied to 280 degree with interior environment, is unsuitable for the application of chemical industry, pharmaceutical industry.
Therefore, how guaranteeing to be wound around the high temperature requirement of sealing gasket, improve its property easy to clean simultaneously, is current those skilled in the art's problem demanding prompt solution.
The model utility content
In view of this, the utility model provides a kind of spirotallic gasket, to realize guaranteeing to be wound around the high temperature requirement of sealing gasket, improves its property easy to clean simultaneously.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of spirotallic gasket, comprise inner ring support ring, outer ring positioning ring and be arranged on the sealing layer between the two, described sealing layer comprises the stacked multi-layer sealing structure be arranged between described support ring and described positioning ring, comprises near the teflon seal layer of inner ring and the graphite grazing layer of close outer ring.
Preferably, in above-mentioned spirotallic gasket, described sealing layer is two-layer sealing configuration, comprises the teflon seal layer of inner ring and the graphite grazing layer of outer ring.
Preferably, in above-mentioned spirotallic gasket, described teflon seal layer is arranged at the multi-layer structure on described support ring outer ring for being wound around.
Preferably, in above-mentioned spirotallic gasket, described graphite grazing layer comprises the multi-layer structure that is wound around setting.
Preferably, in above-mentioned spirotallic gasket, along it, cross section radially has the boss supporting structure to described support ring; The cross section of described positioning ring is set to the locking groove structure compressed with described support ring boss supporting structure sealing.
Preferably, in above-mentioned spirotallic gasket, the cross section of described support ring is V-arrangement boss supporting structure.
Preferably, in above-mentioned spirotallic gasket, described V-arrangement boss supporting structure is symmetrically arranged supporting structure on thickness direction.
Preferably, in above-mentioned spirotallic gasket, the described graphite grazing layer of multi-layer structure is to be wound around the graphite grazing layer of compacting by single carbon shoe.
Preferably, in above-mentioned spirotallic gasket, between described teflon seal layer and described graphite grazing layer, also be provided with supporting band.
Preferably, in above-mentioned spirotallic gasket, described supporting band is arranged on the support steel band on described polytetrafluoroethylene floor outer shroud for being wound around.
The spirotallic gasket that the utility model provides, comprise inner ring support ring, outer ring positioning ring and be arranged on the sealing layer between the two, sealing layer comprises the stacked multi-layer sealing structure be arranged between support ring and positioning ring, comprises near the teflon seal layer of inner ring and the graphite grazing layer of close outer ring.Utilize the teflon seal layer to there are the characteristics of good resistance to acids and bases, in the pipeline of the liquids such as chemical industry, pharmacy, after long-term the use, be easy to the cleaning to delivery line, be arranged on internal layer, guaranteed the safety of delivery line herb liquid.Simultaneously, utilize the resistant to elevated temperatures characteristic of graphite grazing layer, the outside that it is arranged on to the graphite grazing layer, make the spirotallic gasket heat resistance on the whole after preparation improve, and when guaranteeing acid-proof alkaline, guaranteed the property easy to clean in delivery line.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the spirotallic gasket that Fig. 1 provides for the utility model.
Embodiment
The utility model discloses a kind of spirotallic gasket, guaranteed to be wound around the high temperature requirement of sealing gasket, improve its property easy to clean simultaneously.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is carried out to clear, complete description, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on embodiment of the present utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment who obtains, and all belong to the scope of the utility model protection.
The structural representation of the spirotallic gasket that as shown in Figure 1, Fig. 1 provides for the utility model.
The utility model provides a kind of spirotallic gasket, comprise inner ring support ring 1, outer ring positioning ring 2 and be arranged on the sealing layer between the two, sealing layer comprises the stacked multi-layer sealing structure be arranged between support ring 1 and positioning ring 2, comprises near the teflon seal layer 3 of inner ring and the graphite grazing layer 4 of close outer ring.Utilize teflon seal layer 3 to there are the characteristics of good resistance to acids and bases, in the pipeline of the liquids such as chemical industry, pharmacy, after long-term the use, be easy to the cleaning to delivery line, be arranged on internal layer, guaranteed the safety of delivery line herb liquid.Simultaneously, utilize the resistant to elevated temperatures characteristics of graphite grazing layer 4, the outside that it is arranged on to the graphite grazing layer, make the spirotallic gasket heat resistance on the whole after preparation improve, and when guaranteeing acid-proof alkaline, guaranteed the property easy to clean in delivery line.
In the utility model one specific embodiment, sealing layer is two-layer sealing configuration, comprises the teflon seal layer 3 of inner ring and the graphite grazing layer 4 of outer ring.Internal layer polytetrafluoroethylene floor 3 contacts with the liquid in delivery line, and outer field graphite grazing layer 4 guarantees the good temperature capacity of spirotallic gasket.
Particularly, teflon seal layer 3 is arranged at the multi-layer structure on the support ring outer ring for being wound around.In the delivery line of chemical industry, pharmacy, there is certain discharge pressure in liquid, spirotallic gasket is arranged between the link position of pipeline, for fear of liquid, by the end face of spirotallic gasket and delivery line, by height, also extruded, sealing layer is set for being wound around the multi-layer structure arranged, each circle sealing configuration by the winding of sealing layer all plays sealing function, in its sealability of radially raising of spirotallic gasket.
Particularly, graphite grazing layer 4 comprises the multi-layer structure that is wound around setting.Graphite grazing layer 4 is by the structure that is prepared into multi-lay winding of technique of compacting, close contact between every one deck, and play sealing effect by the graphite structure of multilayer, guaranteed sealing effect between delivery line,
In the utility model one specific embodiment, along it, cross section radially has the boss supporting structure to support ring 1; The cross section of positioning ring 2 is set to seal with the boss supporting structure of support ring 1 the locking groove structure compressed.Spirotallic gasket is the annular flake structure, after the spirotallic gasket of multi-layer structure is set, its still easily transport and loading process in be subject to axial bending power and produce the phenomenon of mutual dislocation between sealing layer, by the sealing layer that support ring 1 and 2 pairs of inside of positioning ring are set, undertaken spacing, can improve to a certain extent the non-deformability of spirotallic gasket, however the still situation generation of mutual dislocation between inevitable sealing configuration.
By offer boss supporting structure and locking groove structure radially on support ring 1 and positioning ring 2, make sealing layer in winding process, every one deck all can carry out fastening by groove structure, the last positioning ring 2 that all sealing layers are locked that arranges in the outer ring of spirotallic gasket, make close contact between every one deck sealing layer, thereby improve the stability of spirotallic gasket self form.
Particularly, the cross section of support ring 1 is V-arrangement boss supporting structure.Spirotallic gasket in use is arranged between two pipelines of splicing, and V-arrangement boss supporting structure is set, and the sealability of the spirotallic gasket both sides after preparation is suitable, and applicability is strong, can play sealing effect preferably.
Preferably, the bottom of V-arrangement boss supporting structure is away from the center of support ring., in the compacted process of the sealing material of spirotallic gasket, every one deck sealing material all contacts with the junction surface of pipeline closely, and stopping of sealing material improved sealability in the inside of direction towards delivery line.
In the utility model one specific embodiment, the graphite grazing layer 4 of multi-layer structure is to be wound around the graphite grazing layer 4 of compacting by single carbon shoe.Spirotallic gasket is for having certain thickness thin plate member, and graphite grazing layer 4 radially has certain thickness along it, in order to reduce the difficulty of processing in the spirotallic gasket preparation process, adopt the mode of compacting to prepare on graphite grazing layer 4, at first prepare the Stamping Steel Ribbon of single graphite material, then the compression by from coil to coil is wound on supporting structure, by the mode be wound around, guarantee the sealing effect of the rear spirotallic gasket of preparation, simplified preparation process.
In the utility model one specific embodiment, between teflon seal layer 3 and graphite grazing layer 4, also be provided with supporting band 5.Setting has the spirotallic gasket of double-layer seal material, because two kinds of sealing materials have different material behaviors at link position, all effectively bring into play the performance of himself for guaranteeing every kind of material, supporting band is set, when respectively teflon seal layer and graphite grazing layer being played to support function, guarantee the sealing effect of each sealing layer material.
Preferably, supporting band 5 is arranged on the support steel band on the polytetrafluoroethylene floor outer shroud for being wound around.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and other embodiments' difference that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiments will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a spirotallic gasket, comprise inner ring support ring (1), outer ring positioning ring (2) and be arranged on the sealing layer between the two, it is characterized in that, described sealing layer comprises the stacked multi-layer sealing structure be arranged between described support ring and described positioning ring, comprises near the teflon seal layer (3) of inner ring and the graphite grazing layer (4) of close outer ring.
2. spirotallic gasket according to claim 1, is characterized in that, described sealing layer is two-layer sealing configuration, comprises the teflon seal layer (3) of inner ring and the graphite grazing layer (4) of outer ring.
3. spirotallic gasket according to claim 1, is characterized in that, described teflon seal layer (3) is arranged at the multi-layer structure on described support ring (1) outer ring for being wound around.
4. spirotallic gasket according to claim 1, is characterized in that, described graphite grazing layer (4) comprises the multi-layer structure that is wound around setting.
5. spirotallic gasket according to claim 1, is characterized in that, along it, cross section radially has the boss supporting structure to described support ring (1); The cross section of described positioning ring (2) is set to seal with the boss supporting structure of described support ring (1) the locking groove structure compressed.
6. spirotallic gasket according to claim 5, is characterized in that, the cross section of described support ring (1) is V-arrangement boss supporting structure.
7. spirotallic gasket according to claim 6, is characterized in that, described V-arrangement boss supporting structure is symmetrically arranged supporting structure on thickness direction.
8. spirotallic gasket according to claim 4, is characterized in that, the described graphite grazing layer (4) of multi-layer structure is to be wound around the graphite grazing layer (4) of compacting by single carbon shoe.
9. spirotallic gasket according to claim 2, is characterized in that, between described teflon seal layer (3) and described graphite grazing layer (4), also is provided with supporting band (5).
10. spirotallic gasket according to claim 9, is characterized in that, described supporting band (5) is arranged on the support steel band on described polytetrafluoroethylene floor outer shroud for being wound around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320320511 CN203348538U (en) | 2013-06-04 | 2013-06-04 | Winding gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320320511 CN203348538U (en) | 2013-06-04 | 2013-06-04 | Winding gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348538U true CN203348538U (en) | 2013-12-18 |
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ID=49748442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320320511 Expired - Fee Related CN203348538U (en) | 2013-06-04 | 2013-06-04 | Winding gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348538U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267126A (en) * | 2013-06-04 | 2013-08-28 | 慈溪博格曼密封材料有限公司 | Spirally wound gasket |
| CN106166838A (en) * | 2016-08-27 | 2016-11-30 | 慈溪博格曼密封材料有限公司 | The ring installing device of wound gasket and dress ring method |
| CN107131301A (en) * | 2017-06-21 | 2017-09-05 | 茂名重力石化装备股份公司 | A kind of major diameter sealing gasket of band positioning and the bearing device with it |
-
2013
- 2013-06-04 CN CN 201320320511 patent/CN203348538U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267126A (en) * | 2013-06-04 | 2013-08-28 | 慈溪博格曼密封材料有限公司 | Spirally wound gasket |
| CN103267126B (en) * | 2013-06-04 | 2016-02-24 | 慈溪博格曼密封材料有限公司 | Spirotallic gasket |
| CN106166838A (en) * | 2016-08-27 | 2016-11-30 | 慈溪博格曼密封材料有限公司 | The ring installing device of wound gasket and dress ring method |
| CN106166838B (en) * | 2016-08-27 | 2018-04-20 | 慈溪博格曼密封材料有限公司 | The ring installing device and dress ring method of wound gasket |
| CN107131301A (en) * | 2017-06-21 | 2017-09-05 | 茂名重力石化装备股份公司 | A kind of major diameter sealing gasket of band positioning and the bearing device with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20200604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |