CN210240542U - O-shaped rubber gasket - Google Patents
O-shaped rubber gasket Download PDFInfo
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- CN210240542U CN210240542U CN201920643674.1U CN201920643674U CN210240542U CN 210240542 U CN210240542 U CN 210240542U CN 201920643674 U CN201920643674 U CN 201920643674U CN 210240542 U CN210240542 U CN 210240542U
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Abstract
The utility model discloses an O-shaped rubber gasket, which belongs to the technical field of rubber gaskets and comprises an upper contact layer, a colloid layer and a lower contact layer, wherein the colloid layer comprises a silica gel cushion layer, a nitrile rubber layer, a perfluororubber layer, an ethylene propylene rubber layer, a butyl rubber layer and a polytetrafluoroethylene cushion layer, the nitrile rubber layer is bonded at the bottom of the silica gel cushion layer, the top of the nitrile rubber layer is parallel to the bottom of the silica gel cushion layer, the inside of the colloid layer is formed by polymerizing a plurality of composite materials in a bonding mode, the silica gel cushion layer is high temperature resistant and aging resistant, the nitrile rubber layer has good oil resistance, the perfluororubber layer has good thermal stability and chemical stability, the ethylene propylene rubber layer can be insulated and has excellent elasticity, the butyl rubber layer has the effects of shock absorption and water resistance, the polytetrafluoroethylene cushion layer has high corrosion resistance, and the rubber gasket formed by a plurality of composite, and further improves the functionality and the application range of the O-shaped rubber gasket.
Description
Technical Field
The utility model relates to a rubber packing ring technical field especially relates to a O shape rubber packing ring.
Background
Rubber gaskets are sheet rubber products commonly called rubber gaskets which play a role in sealing between two static surfaces of metal flanges or other connecting parts, can be manufactured by a die pressing method and can also be punched by vulcanized rubber sheets, can be widely used for various mechanical equipment and play roles in gasket, sealing, buffering and the like, and comprise the following common rubber gasket gaskets in terms of form: rubber flat washers, rubber O-rings, plastic flat washers, teflon-covered washers, asbestos rubber washers, metal flat washers, metal profiled washers, metal-covered washers, wave washers, wound washers, and the like.
The O-shaped rubber gasket is most widely applied in ordinary production and life, but due to the structural limitation, the O-shaped rubber gasket is inconvenient to use, has single functionality, only has simple and most basic gasket, buffering and sealing functions, needs to be made of O-shaped rubber gaskets made of different materials according to different environmental conditions in different using processes, and is more complicated and inconvenient.
Disclosure of Invention
The utility model provides a O shape rubber packing ring aims at adopting the bonding formula structure, divide into the contact layer with O shape rubber packing ring, and colloid layer and lower contact layer use different combined material to constitute the main part of O shape rubber packing ring according to the contact position of packing ring in the use to the function that realizes O shape rubber packing ring is diversified, improves the application scope of packing ring.
The utility model provides a specific technical scheme as follows:
the utility model provides an O-shaped rubber gasket, which comprises an upper contact layer, a colloid layer and a lower contact layer, the colloid layer consists of a silica gel cushion layer, a nitrile rubber layer, a perfluoro rubber layer, an ethylene propylene rubber layer, a butyl rubber layer and a polytetrafluoroethylene cushion layer, the bottom of the silica gel cushion layer is bonded with a nitrile rubber layer, the top of the nitrile rubber layer is parallel to the bottom of the silica gel cushion layer, the bottom of the nitrile rubber layer is bonded with a perfluorinated rubber layer, the top of the perfluorinated rubber layer is parallel to the bottom of the nitrile rubber layer, the bottom of the perfluororubber layer is bonded with an ethylene propylene rubber layer, the top of the ethylene propylene rubber layer is parallel to the bottom of the perfluororubber layer, the bottom of the ethylene propylene rubber layer is bonded with a butyl rubber layer, the top of the butyl rubber layer is parallel to the bottom of the ethylene propylene rubber layer, and a polytetrafluoroethylene cushion layer is bonded at the bottom of the butyl rubber layer, and the top of the polytetrafluoroethylene cushion layer is parallel to the bottom of the butyl rubber layer.
Optionally, an upper contact layer is bonded to the top of the colloid layer, and a lower contact layer is bonded to the bottom of the colloid layer.
Optionally, the upper contact layer is composed of a pressure-sensitive adhesive layer and a carbon fiber cloth layer, the carbon fiber cloth layer is bonded to the bottom of the pressure-sensitive adhesive layer, and the top of the carbon fiber cloth layer is parallel to the bottom of the pressure-sensitive adhesive layer.
Optionally, the lower contact layer comprises a polyethylene layer and a silica gel adhesive layer, the silica gel adhesive layer is bonded to the bottom of the polyethylene layer, and the top of the silica gel adhesive layer is parallel to the bottom of the polyethylene layer.
The utility model has the advantages as follows:
the embodiment of the utility model provides a O shape rubber packing ring, its colloid in situ portion is formed through the mode polymerization that bonds by multiple combined material, the silica gel bed course is high temperature resistant, it is ageing-resistant, the butyronitrile rubber layer has fine oil resistance, the perfluororubber layer has good thermal stability and chemical stability, the EP rubbers layer can be insulating and elasticity is excellent, the butyl rubber layer has shock attenuation and waterproof effect, the polytetrafluoroethylene bed course has high corrosion resistance, the rubber packing ring of constituteing through multiple combined material has replaced the single structure of current rubber packing ring, and then the functional and application scope of O shape rubber packing ring has been improved.
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 view of an overall structure of an O-shaped rubber gasket according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an O-shaped rubber gasket according to an embodiment of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.
An O-shaped rubber gasket according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.
Referring to fig. 1 and fig. 2, an O-shaped rubber gasket provided by the embodiment of the present invention includes an upper contact layer 1, a rubber layer 2 and a lower contact layer 3, the rubber layer 2 is composed of a silica gel cushion layer 201, a nitrile rubber layer 202, a perfluororubber layer 203, an ethylene-propylene rubber layer 204, a butyl rubber layer 205 and a polytetrafluoroethylene cushion layer 206, the nitrile rubber layer 202 is bonded to the bottom of the silica gel cushion layer 201, the top of the nitrile rubber layer 202 is parallel to the bottom of the silica gel cushion layer 201, the perfluororubber layer 203 is bonded to the bottom of the nitrile rubber layer 202, the top of the perfluororubber layer 203 is parallel to the bottom of the nitrile rubber layer 202, the bottom of the perfluororubber layer 203 is bonded to the ethylene-propylene rubber layer 204, the top of the ethylene-propylene rubber layer 204 is parallel to the bottom of the perfluororubber layer 203, the bottom of the ethylene-, a polytetrafluoroethylene cushion 206 is adhered to the bottom of the butyl rubber layer 205, and the top of the polytetrafluoroethylene cushion 206 is parallel to the bottom of the butyl rubber layer 205.
Illustratively, the inside of colloid layer 2 is polymerized by multiple combined material through the mode of bonding, silica gel cushion 201 is high temperature resistant, it is ageing-resistant, butadiene-acrylonitrile rubber layer 202 has fine oil resistance, perfluoroelastomer layer 203 has good thermal stability and chemical stability, ethylene-propylene rubber layer 204 can be insulating and elasticity is excellent, butyl rubber layer 205 has shock attenuation and waterproof effect, polytetrafluoroethylene cushion 206 has high corrosion resistance, the rubber packing ring of constituteing through multiple combined material has replaced the single structure of current rubber packing ring, and then the functional and application scope of O shape rubber packing ring has been improved.
Referring to fig. 1 and 2, an upper contact layer 1 is bonded to the top of the colloid layer 2, and a lower contact layer 3 is bonded to the bottom of the colloid layer 2.
In the example, an adhesive structure is adopted, the O-shaped rubber gasket is divided into an upper contact layer 1, a colloid layer 2 and a lower contact layer 3, different composite materials are used for forming the main body of the O-shaped rubber gasket according to the contact position of the gasket in the using process, and therefore the function diversification of the O-shaped rubber gasket is achieved.
Referring to fig. 2, the upper contact layer 1 is composed of a pressure-sensitive adhesive layer 101 and a carbon fiber cloth layer 102, wherein the bottom of the pressure-sensitive adhesive layer 101 is adhered with the carbon fiber cloth layer 102, and the top of the carbon fiber cloth layer 102 is parallel to the bottom of the pressure-sensitive adhesive layer 101.
Illustratively, the pressure-sensitive adhesive layer 101 has good flame retardancy and temperature resistance, and the carbon fiber cloth layer 102 has high strength and low density.
Referring to fig. 2, the lower contact layer 3 is composed of a polyethylene layer 301 and a silica gel adhesive layer 302, the bottom of the polyethylene layer 301 is adhered with the silica gel adhesive layer 302, and the top of the silica gel adhesive layer 302 is parallel to the bottom of the polyethylene layer 301.
In the illustrated example, the polyethylene layer 301 has low temperature resistance and antistatic function, and the silica gel adhesive layer 302 has the characteristics of high strength and strong adhesive force.
An O-shaped rubber gasket is composed of an upper contact layer 1, a colloid layer 2 and a lower contact layer 3, the upper contact layer 1 and the lower contact layer 3 are connected with objects on two sides of the rubber gasket, a pressure-sensitive adhesive layer 101 not only has good bonding performance and improves the connection stability of the rubber gasket, but also has the characteristics of ageing resistance and high temperature resistance, a carbon fiber cloth layer 102 is thin in thickness, small in density, does not occupy space and has very high strength, a polyethylene layer 301 has good low temperature resistance and antistatic property and can isolate the influence of static electricity on the use of the rubber gasket, a silica gel adhesive layer 302 has good characteristics of weather resistance, moisture resistance, chemical resistance and the like while being stably bonded, does not contain toxic components and cannot influence the environment and users, a silica gel cushion layer 201 is high-temperature resistant, has good elasticity and shock absorption capacity under the environment of-70 ℃ to 260 ℃, a butyronitrile rubber layer 202 is a polymer formed by copolymerizing butadiene and propylene through emulsion, the rubber gasket has good oil resistance, can improve the overall oil resistance of the rubber gasket, the perfluoronated rubber layer 203 has good thermal stability and chemical stability, can ensure the stability of the O-shaped rubber gasket under different environments, the ethylene propylene rubber layer 204 is formed by polymerizing ethylene and propylene and has good impact elasticity and electrical resistance, the butyl rubber layer 205 has the functions of shock absorption and water resistance, is environment-friendly, non-toxic and harmless, the polytetrafluoroethylene cushion layer 206 has good corrosion resistance, can improve the corrosion resistance of the O-shaped rubber gasket, further improves the application range of the O-shaped rubber gasket, by adopting a bonding type structure, the O-shaped rubber gasket is divided into an upper contact layer 1, a colloid layer 2 and a lower contact layer 3, different composite materials are used for forming the overall structure of the O-shaped rubber gasket according to the contact position of the gasket in the using process, and the function diversification of the O-shaped rubber gasket is realized, the defect of single function of the existing O-shaped rubber gasket is replaced, and the application range of the O-shaped rubber gasket is widened.
The embodiment of the utility model provides a O shape rubber packing ring, its colloid in situ portion is formed through the mode polymerization that bonds by multiple combined material, the silica gel bed course is high temperature resistant, it is ageing-resistant, the butyronitrile rubber layer has fine oil resistance, the perfluororubber layer has good thermal stability and chemical stability, the EP rubbers layer can be insulating and elasticity is excellent, the butyl rubber layer has shock attenuation and waterproof effect, the polytetrafluoroethylene bed course has high corrosion resistance, the rubber packing ring of constituteing through multiple combined material has replaced the single structure of current rubber packing ring, and then the functional and application scope of O shape rubber packing ring has been improved.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. An O-shaped rubber gasket comprises an upper contact layer, a colloid layer and a lower contact layer, and is characterized in that, the colloid layer consists of a silica gel cushion layer, a nitrile rubber layer, a perfluoro rubber layer, an ethylene propylene rubber layer, a butyl rubber layer and a polytetrafluoroethylene cushion layer, the bottom of the silica gel cushion layer is bonded with a nitrile rubber layer, the top of the nitrile rubber layer is parallel to the bottom of the silica gel cushion layer, the bottom of the nitrile rubber layer is bonded with a perfluorinated rubber layer, the top of the perfluorinated rubber layer is parallel to the bottom of the nitrile rubber layer, the bottom of the perfluororubber layer is bonded with an ethylene propylene rubber layer, the top of the ethylene propylene rubber layer is parallel to the bottom of the perfluororubber layer, the bottom of the ethylene propylene rubber layer is bonded with a butyl rubber layer, the top of the butyl rubber layer is parallel to the bottom of the ethylene propylene rubber layer, and a polytetrafluoroethylene cushion layer is bonded at the bottom of the butyl rubber layer, and the top of the polytetrafluoroethylene cushion layer is parallel to the bottom of the butyl rubber layer.
2. The O-ring rubber gasket as defined in claim 1 wherein said gel layer has an upper contact layer adhered to the top thereof and a lower contact layer adhered to the bottom thereof.
3. The O-ring rubber gasket of claim 1 wherein said upper contact layer is comprised of a pressure sensitive adhesive layer with a carbon fiber cloth layer adhered to the bottom thereof, and a carbon fiber cloth layer parallel to the top thereof.
4. The O-ring rubber gasket of claim 1 wherein said lower contact layer is comprised of a polyethylene layer and a silicone adhesive layer, said polyethylene layer having a silicone adhesive layer adhered to the bottom thereof, said silicone adhesive layer having a top parallel to the bottom of the polyethylene layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920643674.1U CN210240542U (en) | 2019-05-04 | 2019-05-04 | O-shaped rubber gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920643674.1U CN210240542U (en) | 2019-05-04 | 2019-05-04 | O-shaped rubber gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210240542U true CN210240542U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920643674.1U Expired - Fee Related CN210240542U (en) | 2019-05-04 | 2019-05-04 | O-shaped rubber gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210240542U (en) |
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2019
- 2019-05-04 CN CN201920643674.1U patent/CN210240542U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |