CN214789031U - Rubber metal gasket - Google Patents
Rubber metal gasket Download PDFInfo
- Publication number
- CN214789031U CN214789031U CN202120584997.5U CN202120584997U CN214789031U CN 214789031 U CN214789031 U CN 214789031U CN 202120584997 U CN202120584997 U CN 202120584997U CN 214789031 U CN214789031 U CN 214789031U
- Authority
- CN
- China
- Prior art keywords
- gasket
- rubber
- sealing
- layer
- metal core
- 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.)
- Active
Links
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a rubber metal gasket, including the metal core, the cladding of metal core surface has sealed the pad, sealed pad includes rubber circle and seal lip, rubber circle interference is connected with the seal lip, the outer surface coating of sealed pad has anti-aging layer, anti-aging layer outside is spouted and is scribbled the wearing layer. The metal core is matched with the fan-shaped sealing lip, so that the sealing gasket can adapt to a flange sealing surface with low flatness and can be used under the working condition of low bolt load; the anti-aging layer and the wear-resistant layer are matched, so that the overall anti-aging capacity of the sealing gasket can be improved, and the service life of the sealing gasket is prolonged.
Description
Technical Field
The utility model relates to a rubber metal gasket specifically is rubber metal gasket, belongs to rubber metal gasket technical field.
Background
The gasket is a material made of paper, rubber or copper sheet, placed between two planes to enhance sealing, and a sealing element disposed between the static sealing surfaces to prevent fluid leakage. In process equipment in various fields, a sealing gasket occupies an important position, under some special working conditions, a flange used for pipeline connection is made of glass fiber reinforced plastics or plastics with low strength, the flange sealing surface of the flange cannot reach the flatness of a metal material, the bolt load capable of being applied to the flange is very low, and the requirement on the sealing performance of the sealing gasket is very high.
The rubber metal gasket of the prior art has the following disadvantages: 1. the existing commonly used rubber gasket has insufficient strength, is easy to form blow-out leakage, and has low flange surface flatness and poor integral sealing property; 2. the gasket is easy to age when in contact with sunlight, oxygen and the like in the using process, and the whole service life is short, so that the problems are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a rubber metal gasket, the matching of the metal core and the fan-shaped sealing lip can enable the gasket to adapt to a flange sealing surface with low flatness and be used under the working condition of low bolt load; the anti-aging layer and the wear-resistant layer are matched, so that the overall anti-aging capacity of the sealing gasket can be improved, and the service life of the sealing gasket is prolonged.
The utility model discloses a following technical scheme realizes above-mentioned purpose, rubber metal gasket, including the metal core, the cladding of metal core surface has sealed the pad, sealed pad includes rubber circle and seal lip, the rubber circle interference is connected with the seal lip, the outer surface coating of sealed pad has anti-aging layer, anti-aging layer outside is spouted and is scribbled the wearing layer.
Preferably, the sealing lip is located on the inner side of the rubber ring.
Preferably, the sealing lip is of a fan-shaped structure.
Preferably, the metal core is of an annular structure, and the sealing gasket is made of vulcanized rubber.
Preferably, the wear-resistant layer is made of polytetrafluoroethylene.
The utility model has the advantages that:
1. the metal core is matched with the fan-shaped sealing lip, so that the sealing gasket can adapt to a flange sealing surface with low flatness and can be used under the working condition of low bolt load; the gasket is formed by wrapping a sealing gasket on the outer side of a metal core, the metal core is processed into a metal ring by high-strength metal materials such as 316L stainless steel, the cross section of the metal ring is rectangular, and the length-width ratio of the metal ring to the metal ring is 5: 1, provide sufficient intensity for the gasket and guarantee that the gasket is not blown out by the formation of inside medium and blow off the leakage, and all surfaces of metal core all cover the sealed pad of one deck material for vulcanized rubber, sealed fan-shaped seal lip protrusion that is close to centre of a circle inner wall department in the gasket surface, form bellied sealed face, when the gasket is compressed, fan-shaped seal lip's inclined plane bulge is flattened, can fill the unevenness of flange face well, guarantee sealing performance, and because rubber material itself has good compression resilience performance, can provide fine leakproofness, make the gasket only need very low bolt load just can guarantee sealing performance. Therefore, the gasket can be used for flange connection with lower strength such as glass fiber reinforced plastics and has good integral sealing performance.
2. The anti-aging layer and the wear-resistant layer are matched, so that the anti-aging capacity of the whole sealing gasket can be improved, and the service life of the sealing gasket can be prolonged; the outer side of the sealing gasket is coated with an anti-aging layer and a wear-resistant layer in sequence, the anti-aging layer is formed by coating an anti-ultraviolet agent on the surface of the sealing gasket in a drying mode, the anti-aging layer can inhibit and delay ultraviolet rays from causing light aging to a polymer and can absorb or reflect ultraviolet rays so as to prevent or limit the ultraviolet rays from penetrating into the polymer, meanwhile, the wear-resistant layer made of polytetrafluoroethylene as an outer layer has a lower friction coefficient and good wear resistance, the wear-resistant layer is worn by contacting with the outside firstly when the sealing gasket is in contact with the outside, the inner anti-aging layer can be protected, the anti-aging capacity of the whole sealing gasket can be improved by matching the anti-aging layer with the wear-resistant layer, and the service life of the sealing gasket is prolonged.
Drawings
FIG. 1 is a schematic cross-sectional perspective view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic view of the anti-aging structure of the sealing gasket of the present invention.
In the figure: 1. a gasket; 2. a rubber ring; 3. a sealing lip; 4. a metal core; 5. a wear layer; 6. An anti-aging layer.
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.
Referring to fig. 1-3, the rubber metal gasket includes a metal core 4, a sealing gasket 1 is coated on the outer surface of the metal core 4, the sealing gasket 1 includes a rubber ring 2 and a sealing lip 3, the rubber ring 2 is connected to the sealing lip 3 in an interference fit manner, an anti-aging layer 6 is coated on the outer surface of the sealing gasket 1, and a wear-resistant layer 5 is sprayed on the outer side of the anti-aging layer 6.
The example, rubber circle 2 is connected with seal lip 3 and is constituted sealed 1, and sealed 1 cladding of filling up is at the surface of metal core 4, metal core 4 is a metal ring that the metal material of high strength was processed into like 316L stainless steel, it can improve sealed 1 holistic intensity to lie in sealed inboard of filling up 1, anti-ageing layer 6 is formed by coating sealed 1 surperficial drying of packing up with anti ultraviolet agent, can slow down sealed ageing speed of 1, the material of sealed 1 of filling up is vulcanized rubber, can guarantee the high bonding strength between sealed 1 and the metal core 4, prevent to lead to the gasket to warp after metal core 4 drops, sealed 1 of filling up can protect metal core 4 not to receive the corruption of corrosive medium to the all-round parcel of metal core 4.
As a preferred technical scheme of the utility model, seal lip 3 is located the inboard of rubber circle 2.
In the example, the sealing lip 3 is positioned on the inner side of the rubber ring 2 and can be tightly combined with the flange surface, and the sealing performance is good.
As an optimized technical proposal of the utility model, the sealing lip 3 is of a fan-shaped structure.
Illustratively, the sealing lip 3 is located inside the gasket 1 in a fan-shaped structure, which enhances the sealing performance of the gasket 1 as a whole.
As an optimized technical scheme of the utility model, metal core 4 is the loop configuration, the material of sealed pad 1 is vulcanized rubber.
In an example, the metal core 4 is coated on the inner side of the sealing gasket 1 in an annular structure, so that the strength of the whole sealing gasket 1 can be improved, and the sealing gasket 1 is made of vulcanized rubber and has the characteristics of no stickiness, no easy breakage and the like.
As an optimized technical scheme of the utility model, the material of wearing layer 5 is polytetrafluoroethylene.
In an example, the wear-resistant layer 5 is made of polytetrafluoroethylene, and the polytetrafluoroethylene has a low friction coefficient, i.e., high wear resistance, and can protect the inner anti-aging layer 6.
The utility model discloses when using, mounting pad piece in the flange joint process, gasket are sealed 1 of filling up by 4 outside cladding of metal core and are formed, and metal core 4 is processed into a becket like 316L stainless steel by the metal material of high strength, and its cross section is the rectangle, and the aspect ratio is 5: 1, it does not blow out the formation by inside medium and blows off the leakage to provide sufficient intensity for the gasket assurance gasket, and all surfaces of metal core 4 all cover the sealed pad 1 that the one deck material was vulcanized rubber, sealed 3 protrusion in the gasket surface of fan-shaped seal lip that 1 is close to centre of a circle inner wall department, form bellied sealed face, when the gasket was compressed, the inclined plane bulge of fan-shaped seal lip 3 was flattened, can fill the unevenness of flange face well, guarantee sealing performance, and because rubber material itself has good compression resilience performance, can provide fine leakproofness, make the gasket only need very low bolt load just can guarantee sealing performance. The gasket is contacted with external sunlight and the like after being installed, the outer side of the sealing gasket 1 is sequentially coated with the anti-aging layer 6 and the wear-resistant layer 5, the anti-aging layer 6 is formed by coating an anti-ultraviolet agent on the surface of the sealing gasket 1 in a drying mode, the anti-aging layer 6 can inhibit and delay substances of light aging of a polymer caused by ultraviolet rays and can absorb or reflect ultraviolet rays so as to prevent or limit the substances from penetrating into the polymer, meanwhile, the wear-resistant layer 5 with the outer layer made of polytetrafluoroethylene has a lower friction coefficient and is good in wear resistance, when the sealing gasket 1 is contacted with the outside, the wear-resistant layer 5 is firstly contacted with the outside to be worn, the inner anti-aging layer 6 can be protected, the anti-aging layer 6 and the wear-resistant layer 5 are matched, the whole anti-aging capability of the sealing gasket 1 can be improved, and the service life of the sealing gasket is prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. Rubber metal gasket, including metal core (4), its characterized in that: the outer surface cladding of metal core (4) has sealed pad (1), sealed pad (1) includes rubber circle (2) and seal lip (3), rubber circle (2) interference is connected with seal lip (3), the outer surface coating of sealed pad (1) has anti-aging layer (6), anti-aging layer (6) outside spraying has wearing layer (5).
2. The rubber-metal gasket as set forth in claim 1, wherein: the sealing lip (3) is positioned on the inner side of the rubber ring (2).
3. The rubber-metal gasket as set forth in claim 1, wherein: the sealing lip (3) is of a fan-shaped structure.
4. The rubber-metal gasket as set forth in claim 1, wherein: the metal core (4) is of an annular structure, and the sealing gasket (1) is made of vulcanized rubber.
5. The rubber-metal gasket as set forth in claim 1, wherein: the wear-resistant layer (5) is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584997.5U CN214789031U (en) | 2021-03-23 | 2021-03-23 | Rubber metal gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584997.5U CN214789031U (en) | 2021-03-23 | 2021-03-23 | Rubber metal gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214789031U true CN214789031U (en) | 2021-11-19 |
Family
ID=78666413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120584997.5U Active CN214789031U (en) | 2021-03-23 | 2021-03-23 | Rubber metal gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214789031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570858A (en) * | 2022-08-26 | 2023-01-06 | 浙江国泰萧星密封材料股份有限公司 | High-temperature-resistant composite gasket and preparation method thereof |
-
2021
- 2021-03-23 CN CN202120584997.5U patent/CN214789031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570858A (en) * | 2022-08-26 | 2023-01-06 | 浙江国泰萧星密封材料股份有限公司 | High-temperature-resistant composite gasket and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214789031U (en) | Rubber metal gasket | |
| CN211944945U (en) | Cold-resistant conveyer belt | |
| CN210831027U (en) | Anticorrosive area of petrolatum | |
| CN214617822U (en) | Long service life's rubber O type circle | |
| CN211573911U (en) | Piston rod sealing ring of hydraulic cylinder | |
| CN213808435U (en) | Anti-loosening screw gasket based on common fastener | |
| CN214789032U (en) | Rubber metal insulating gasket | |
| CN214789030U (en) | Rubber metal insulating pad | |
| CN210240541U (en) | Wear-resisting elastic sealing element with high corrosion resistance | |
| CN217583168U (en) | Oil-gas seal structure and tire inflation and deflation system | |
| CN107558371B (en) | Sealing structure of inhaul cable embedded pipe orifice and method for realizing reliable sealing of inhaul cable embedded pipe orifice | |
| CN212080387U (en) | Hydrogen hose capable of resisting small molecule permeation | |
| CN214137635U (en) | Wear-resistant low-attenuation antistatic protective film | |
| CN215851730U (en) | Leak-proof manhole cover for cabin | |
| CN220905973U (en) | Primary sealing device for oil tank | |
| CN209856542U (en) | Aging-resistant rubber hose | |
| CN210141316U (en) | Chemical corrosion resistant sealing gasket | |
| CN210949994U (en) | Corrosion-resistant ball that floats | |
| CN216143170U (en) | High leakproofness graphite filler ring | |
| CN215980210U (en) | High-strength cylinder gasket | |
| CN212373976U (en) | Finger pressure cover with good sealing effect | |
| CN214545168U (en) | Sealing shell for underwater signal transmitting device | |
| CN218118911U (en) | Wall-through connecting pipe structure for building water supply and drainage | |
| CN219789533U (en) | Low-shrinkage hot-melt adhesive film for FFC cable | |
| CN211501636U (en) | Novel LBHH type dust sealing spare |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |