CN201648279U - Elastomeric fluorine-silicon material coating body and valve applying the same - Google Patents
Elastomeric fluorine-silicon material coating body and valve applying the same Download PDFInfo
- Publication number
- CN201648279U CN201648279U CN201020129224XU CN201020129224U CN201648279U CN 201648279 U CN201648279 U CN 201648279U CN 201020129224X U CN201020129224X U CN 201020129224XU CN 201020129224 U CN201020129224 U CN 201020129224U CN 201648279 U CN201648279 U CN 201648279U
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- coating
- valve
- matrix
- utility
- valve casing
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- Lift Valve (AREA)
Abstract
The utility model discloses an elastomeric fluorine-silicon material coating body, which is provided with a basal body, wherein the basal body is made of elastic rubber, the surface of the basal body is provided with a coating bottom layer formed by an alcohol coupling agent, and the surface of the coating bottom layer is a coating surface layer formed by a fluorine-contained silica gel body. Meanwhile, the utility model also discloses a valve structure applying the coating body as a valve sealing sheet. The coating body manufactured according to the utility model has good anti-sticking property, has the advantages of chemical medium (acid, alkali and a chemical solvent) resistance, high temperature (200 DEG C) resistance, self-lubrication, abrasion resistance, ageing resistance and sticking prevention, is particularly applied to occasions with corrosive environments, such as fuel gas valves and the like, is durable and has good safety.
Description
Technical field
The utility model relates to a kind of burnt gas valve technical field.
Background technology
Rubber elastomer has elasticity, toughness, often is used to purposes such as sealing, buffering, especially is common on all kinds of flexible parent metal goods such as sealing member, gasket seal, rubber oil sea, automobile sealed, rubber gasket.Some application scenario need be in high pressure, corrosive environment for a long time, such as the rubber elastomer that is used in the gas line valve, as diaphragm seal, O-ring seal etc., easy deformation behind life-time service, even stick together with valve cavity wall or other contact component, influence the normal use of valve, can't satisfy seal request, cause potential safety hazard.
In order to solve the adhesion problems of rubber item, existing way is to cover coating at rubber surface, as polyurethane coating or iron chlorine dragon (PTFE) etc., through reducing the frictional coefficient of product after the coating processing to a certain extent, improves wear resistance, non-viscosity etc.But the Working environment for harsh even temporarily solved problem, still adhesion can occur, thereby have influence on the use of element, even directly influence to security under the situation of life-time service.How solving the problem that combines between coating and elastic rubbery body, also is an existing difficult point.
The utility model content
The purpose of this utility model is to provide a kind of rubber item that is suitable for being applied in environment such as high pressure, corrosion, can solve poor durability and adhesion problems.
Another purpose of the present utility model is to provide a kind of valve of this rubber item of application.
In order to reach the foregoing invention purpose, the utility model has adopted following technical scheme: a kind of elastomeric fluorine silicone material coating, has the matrix that an elastic caoutchouc is made, matrix surface has a coating bottom that is formed by the alcohols coupling agent, coats bottom surface and be a coating top layer that is formed by the silica containing fluorine body.
Described matrix is made by paracril.
A kind of valve of having used above-mentioned elastomeric fluorine silicone material coating, comprise hollow by the non-valve casing that made by the magnetic material, valve casing is with annular magnetic core controller outward, be provided with the location regulating spring in the valve casing chamber, be subjected to the magnetic core of magnetic core controller magnetic pole control and be used to seal the diaphragm seal of valve casing gas output end, described diaphragm seal adopts the paracril matrix to make, its surface has the coating top layer that a silica containing fluorine body forms, and is the coating bottom that is formed by the alcohols coupling agent between paracril matrix and top layer.
The utility model adopts the fluorine colloidal silica to coat elastic caoutchouc, with the coating bottom of polyalcohols coupling agent as rubber matrix, make the fluorine silicon colloid be coated on the top layer, it is good to make the cladding resistance to bond of coming, have resistant to chemical media (acid, alkali, chemical solvents), high temperature resistant 200 ℃, self-lubricating, wear-resisting, ageing-resistant, antiseized advantage, especially be applied to the occasion of highly corrosive environments such as valve, durable in use, security is good.
Description of drawings
Fig. 1 is the structural representation of the valve seal pad made by method of the present utility model.
Fig. 2 is a structural representation of using valve of the present utility model.
Embodiment
Make cladding according to the following steps:
(A) by following formulated polyalcohols coupling agent mixture (mass percentage content):
Dehydrated alcohol C
2H
5OH:90%～98%, preferred content are 94～96%.
VF
2(vinylidene): (2～10) %, preferred content are 4～6%.
(B) by following formulated fluorine silicon mixing solutions (mass percentage content):
TFE (tetrafluoroethylene): 70%～90%, preferred content is 82 ~ 87%;
Auxiliary agent: modified silicon rubber SiL:3～4%; Modified silicon rubber can adopt pure dissolubility silicone emulsion, as aqueous emulsion of dimethyl polysiloxane fluid, and hydroxyl silicone emulsion etc., its effect is to increase elasticity and soft degree.
MoS
2: 1～2%; Its effect is to increase self-lubricating property.
All the other are solvent, and solvent can be selected alcoholic solvent for use, ethanol, and propyl carbinol, mixed alcohols, or lac etc., preferred environmentally friendly solvent.
(C) make as shown in Figure 1 gasket seal as matrix with paracril, carry out surface treatment, promptly carry out surface cleaning, remove the spot oil stain on surface, in order to avoid the spot oil stain influences sticking power, the alcohols coupling agent mixture made by steps A of atomizing spraying is dry then then, forms bottom and coats;
Drying process can be in the stainless steel rotating cylinder of certain rotating speed, and operation is 30 minutes under 120 ℃ temperature, volatilizees fully for good to solvent.
(D) bottom surface that forms at step C covers the fluorine silicon mixing solutions that is formed by step B preparation by atomizing spraying, crosslinking reaction 10 minutes under 160 ℃ of conditions then, and the condition of crosslinking reaction is to form the coating of silica containing fluorine body surface layer.
Make valve spacer 6 by above step, its matrix 61 is a paracril, has a coating bottom 62 that is formed by the alcohols coupling agent at matrix surface, coats bottom surface and be a coating top layer 63 that is formed by the silica containing fluorine body.
The product of Xing Chenging satisfies following technical requirements at last:
Hardness: Shao Shi 70 degree ± 3
Elongation rate of tensile failure (%): 250
Compression set≤25
Heatproof (use temperature) 90C～-25 ℃
Wear resistance (CM
3/ 1.61KM): 0.35
Anti-viscosity: 1,000 ten thousand sticking (frequency 50/ minute) metalworks of last underdrive; The 2Kg hammer in test piece, 720 hours sticking metalworks;
Weather resistance: 10 years
Media-resistant: contact indeformable to petroleum-type lubricating oil, acid, alkali
Multiplicity: do not peel off not delamination
The gasket seal of making 6 is used for valve as shown in Figure 2, and what this valve comprised hollow is with annular magnetic core controller 5 outward by non-valve casing 1, the valve casing of the manufacturing of magnetic material of being subjected to.Be provided with retainer spring 9, magnetic core 8 and diaphragm seal 6 in the valve casing 1.Diaphragm seal 6 is made for rubber, preferred paracril, and it is coated with the colloid of fluorine silicon, and its cross-section structure is as shown in Figure 1.Magnetic core controller 5 moves by polar Polarity Control magnetic core 8, and diaphragm seal 6 is cooked with magnetic core 8 and is synchronized with the movement, thereby is subjected to the control sealing of magnetic core controller indirectly or opens the valve seat 11 of valve casing 1, blocks or be communicated with the gas output end of valve casing.
Through the repeated detection test, gasket seal 6 can not stick together with metal valve casing 1 inner chamber of valve, closes or open valve under the control of magnetic core controller, has long-lived sealing effectiveness.
Claims (3)
1. elastomeric fluorine silicone material coating is characterized in that: have the matrix that an elastic caoutchouc is made, matrix surface has a coating bottom that is formed by the alcohols coupling agent, coats bottom surface and be a coating top layer that is formed by the silica containing fluorine body.
2. elastomeric fluorine silicone material coating according to claim 1 is characterized in that: described matrix is the paracril matrix.
3. valve of using elastomeric fluorine silicone material coating as claimed in claim 1 or 2, comprise hollow by the non-valve casing that made by the magnetic material, valve casing is with annular magnetic core controller outward, be provided with the location regulating spring in the valve casing chamber, be subjected to the magnetic core of magnetic core controller magnetic pole control and be used to seal the diaphragm seal of valve casing gas output end, it is characterized in that: described diaphragm seal has a matrix that adopts elastic caoutchouc to make, basic surface has a coating bottom that is formed by the alcohols coupling agent, coats bottom surface and be a coating top layer that is formed by the silica containing fluorine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020129224XU CN201648279U (en) | 2010-03-09 | 2010-03-09 | Elastomeric fluorine-silicon material coating body and valve applying the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020129224XU CN201648279U (en) | 2010-03-09 | 2010-03-09 | Elastomeric fluorine-silicon material coating body and valve applying the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201648279U true CN201648279U (en) | 2010-11-24 |
Family
ID=43113508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020129224XU Expired - Lifetime CN201648279U (en) | 2010-03-09 | 2010-03-09 | Elastomeric fluorine-silicon material coating body and valve applying the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201648279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818806A (en) * | 2010-03-09 | 2010-09-01 | 廖新桃 | Fluorine and silicone material coating for elastomer and production method thereof and application thereof |
| CN105570474A (en) * | 2016-03-21 | 2016-05-11 | 北京工业大学 | Permanent magnet graphite valve |
-
2010
- 2010-03-09 CN CN201020129224XU patent/CN201648279U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818806A (en) * | 2010-03-09 | 2010-09-01 | 廖新桃 | Fluorine and silicone material coating for elastomer and production method thereof and application thereof |
| CN101818806B (en) * | 2010-03-09 | 2013-04-17 | 廖新桃 | Fluorine and silicone material coating for elastomer and production method thereof and valve applied thereof |
| CN105570474A (en) * | 2016-03-21 | 2016-05-11 | 北京工业大学 | Permanent magnet graphite valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |