CN211779520U - Sealing ring and sealing device - Google Patents
Sealing ring and sealing device Download PDFInfo
- Publication number
- CN211779520U CN211779520U CN201922189078.3U CN201922189078U CN211779520U CN 211779520 U CN211779520 U CN 211779520U CN 201922189078 U CN201922189078 U CN 201922189078U CN 211779520 U CN211779520 U CN 211779520U
- Authority
- CN
- China
- Prior art keywords
- sealing
- lining
- ring
- metal gasket
- flanges
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 67
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000004800 polyvinyl chloride Substances 0.000 claims description 12
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 2
- 230000005574 cross-species transmission Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 241000561734 Celosia cristata Species 0.000 description 7
- 210000001520 comb Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Gasket Seals (AREA)
Abstract
The utility model discloses a sealing ring and a sealing device, the sealing ring comprises a metal gasket and a limiting ring, the metal gasket is arranged on the inner ring surface of the limiting ring, a plurality of zigzag sealing bulges are arranged on two end surfaces of the metal gasket, the sealing device comprises the sealing ring and two lining flanges, the two lining flanges are respectively arranged on two sides of the metal gasket, and the two lining flanges are arranged at the inner side of the limit ring, the end surfaces of the two lining flanges which are deviated from each other are respectively and fixedly connected with the corresponding lining pipes, when the lining flange is pressed on the metal gasket, the lining flange can be extruded and deformed to adapt to the sawtooth-shaped sealing bulges on the metal gasket, thereby bear great pressure, increase the sealing performance of sealing ring, the deformation degree that the spacing ring can restrict the inside lining flange prevents the inside lining flange to spill over because of deformation is excessive, possesses fine practicality.
Description
Technical Field
The utility model relates to a sealed technical field, in particular to sealing ring and sealing device.
Background
At present, the ultra-high molecular weight polyvinyl chloride is a thermoplastic engineering material with the average molecular weight of more than 350 ten thousand, the performances of the ultra-high molecular weight polyvinyl chloride in the aspects of corrosion resistance, wear resistance, impact resistance, self lubrication, impact energy absorption and the like are 4-7 times of those of the existing steel, and pipelines made of the ultra-high molecular weight polyvinyl chloride are widely used for fluid transportation. However, the maximum pressure bearing of the ultra-high molecular weight polyvinyl chloride bare pipe is only 2.5MPa at present, if the pressure is increased, the ultra-high molecular weight polyvinyl chloride pipe is lined in the steel pipe, a conveying medium is isolated from the steel pipe through the ultra-high molecular weight polyvinyl chloride, and the steel pipe bears the pressure of the pipeline.
The external steel pipes are usually connected by flanges, and the ultrahigh molecular weight polyvinyl chloride lining pipeline in the steel pipes is easy to crack by the impact of generated fluid at the flange connection position of the steel pipes due to low pressure bearing capacity, so that the pipeline leakage is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide one kind and under the condition that does not change current ultra high molecular weight polyvinyl chloride inside lining steel pipe production technology, improve the bearing capacity of ultra high molecular weight polyvinyl chloride inside lining steel pipe in flange joint department, avoid the sealing ring and the sealing device of pipeline leakage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an embodiment of the utility model provides a sealing ring, including metal gasket and spacing ring, metal gasket sets up on the spacing ring inner annular surface, all is provided with a plurality of cockscomb structure sealing protrusion on two terminal surfaces of metal gasket.
Optionally, each serrated sealing protrusion is annular.
Alternatively, a plurality of serrated sealing protrusions are arranged coaxially.
Optionally, the inner side surface of the stop collar protrudes from the outer edge to the middle.
The embodiment of the utility model provides a sealing device is still provided, including foretell sealing ring and two inside lining flanges, two inside lining flanges set up the both sides at metal gasket respectively, and two inside lining flanges all set up the inboard at the spacing ring, the terminal surface that two inside lining flanges deviate from mutually respectively with corresponding interior bushing pipe fixed connection.
Optionally, the two lining flanges are made of ultra-high molecular weight polyvinyl chloride.
Alternatively, the two lining flanges are each manufactured integrally with the respective lining pipe.
The utility model provides a sealing ring and sealing device, because metal gasket sets up on the interior anchor ring, all be provided with a plurality of cockscomb structure sealing protrusion on two terminal surfaces of metal gasket, two inside lining flanges set up the both sides at metal gasket respectively, when the inside lining flange ballast is on metal gasket, can extrusion deformation in order to adapt to the cockscomb structure sealing protrusion on the metal gasket, thereby bear great pressure, increase the sealing performance of sealing ring, and two inside lining flanges all set up the inboard at the spacer ring, the spacer ring can limit the deformation degree of inside lining flange, prevent the inside lining flange to spill over because of deformation is excessive, and the device has good practicality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structural view of a sealing device of the present invention;
fig. 2 is a schematic front view of the sealing ring of the present invention;
fig. 3 is a schematic sectional structural view of the sealing ring of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 2 is the utility model discloses a front view structure schematic diagram of sealing ring, fig. 3 is the utility model discloses a cross-sectional structure schematic diagram of sealing ring, it is shown with fig. 3 to combine, the sealing ring that this embodiment provided includes metal gasket 1 and spacing ring 2, metal gasket 1 sets up on spacing ring 2 internal ring face, metal gasket 1 and spacing ring 2 can be that whole processing forms, it is fixed through welding or threaded connection also to divide the body processing back, it is worth noting, all be provided with a plurality of cockscomb structure sealing protrusion 3 on two terminal surfaces of metal gasket 1, when the sealing ring sets up between flange, can increase frictional force and sealed degree between sealing ring and the flange through cockscomb structure sealing protrusion 3.
Furthermore, each zigzag sealing protrusion 3 is annular, and a plurality of zigzag sealing protrusions 3 are coaxially arranged, that is, the zigzag sealing protrusions 3 surround layer by layer, and the stress and the sealing degree in each direction can be ensured to be the same through the layered zigzag sealing protrusions 3.
Furthermore, the inner side surface of the limiting ring 2 protrudes from the outer edge to the middle part, that is, the diameter of the outer edge of the limiting ring 2 is larger than that of the middle part of the limiting ring 2, so that the flange can be conveniently mounted, and the flange can slide in along the inner side surface of the limiting ring 2.
Fig. 1 is a schematic cross-sectional view of a sealing device of the present invention, as shown in fig. 1, the sealing device provided in this embodiment includes a sealing ring and two lining flanges 4, the two lining flanges 4 are respectively disposed on two sides of a metal gasket 1, when the lining flange 4 is ballasted on the metal gasket 1, it can be deformed by compression to conform to the serrated sealing protrusions 3 on the metal gasket 1, thereby bearing larger pressure and increasing the sealing performance of the sealing ring, the two lining flanges 4 are both arranged at the inner side of the limiting ring 2, the limiting ring 2 can limit the deformation degree of the lining flanges 4 and prevent the lining flanges 4 from overflowing due to excessive deformation, the end surfaces of the two lining flanges 4 which are deviated from each other are respectively fixedly connected with corresponding lining pipes, the end faces of the two lining flanges 4 facing away from each other are clamped by an external connecting flange, and the connecting flanges are fastened by bolts.
Furthermore, the two lining flanges 4 are respectively manufactured integrally with the corresponding lining pipes, that is, the two lining flanges 4 are made of ultra-high molecular weight polyvinyl chloride.
The embodiment of this specification provides a sealing ring and sealing device, because metal gasket sets up on the inner ring surface of spacing ring, all be provided with a plurality of cockscomb structure sealing protrusion on two terminal surfaces of metal gasket, two inside lining flanges set up the both sides at metal gasket respectively, when the inside lining flange ballast is on metal gasket, can extrusion deformation in order to adapt to the cockscomb structure sealing protrusion on the metal gasket, thereby bear great pressure, increase the sealing performance of sealing ring, and two inside lining flanges all set up the inboard at the spacing ring, the deformation degree of inside lining flange can be restricted to the spacing ring, prevent that the inside lining flange from overflowing because of deformation is excessive, and the device has good practicality.
The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. It should be noted that, for those skilled in the art, without departing from the principle of the present application, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present application.
Claims (7)
1. The sealing ring is characterized by comprising a metal gasket (1) and a limiting ring (2), wherein the metal gasket (1) is arranged on the inner annular surface of the limiting ring (2), and a plurality of serrated sealing protrusions (3) are arranged on two end surfaces of the metal gasket (1).
2. A sealing ring according to claim 1, characterised in that each of the serrated sealing protrusions (3) is annular.
3. A sealing ring according to claim 2, characterized in that several of the serrated sealing protrusions (3) are arranged coaxially.
4. A sealing ring according to claim 1, characterized in that the inner side of the stop ring (2) is convex from the outer edge to the middle.
5. A sealing device, characterized by comprising a sealing ring according to any one of claims 1 to 4 and two lining flanges (4), wherein the two lining flanges (4) are respectively arranged on two sides of the metal gasket (1), the two lining flanges (4) are respectively arranged on the inner sides of the limiting rings (2), and the end surfaces of the two lining flanges (4) which are deviated from each other are respectively fixedly connected with corresponding lining pipes.
6. Sealing device according to claim 5, characterized in that the material of the two lining flanges (4) is ultra-high molecular weight polyvinyl chloride.
7. A sealing arrangement according to claim 5, characterised in that the two lining flanges (4) are each manufactured in one piece with the respective lining tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922189078.3U CN211779520U (en) | 2019-12-06 | 2019-12-06 | Sealing ring and sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922189078.3U CN211779520U (en) | 2019-12-06 | 2019-12-06 | Sealing ring and sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211779520U true CN211779520U (en) | 2020-10-27 |
Family
ID=72974621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922189078.3U Expired - Fee Related CN211779520U (en) | 2019-12-06 | 2019-12-06 | Sealing ring and sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211779520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542424A (en) * | 2020-11-25 | 2022-05-27 | 安徽威灵汽车部件有限公司 | Pipeline sealing structures, compressors, air conditioning equipment and vehicles |
-
2019
- 2019-12-06 CN CN201922189078.3U patent/CN211779520U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542424A (en) * | 2020-11-25 | 2022-05-27 | 安徽威灵汽车部件有限公司 | Pipeline sealing structures, compressors, air conditioning equipment and vehicles |
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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: 20201027 Termination date: 20211206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |