CN104930190A - Fluoroplastic sealing ring - Google Patents
Fluoroplastic sealing ring Download PDFInfo
- Publication number
- CN104930190A CN104930190A CN201510389225.5A CN201510389225A CN104930190A CN 104930190 A CN104930190 A CN 104930190A CN 201510389225 A CN201510389225 A CN 201510389225A CN 104930190 A CN104930190 A CN 104930190A
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- CN
- China
- Prior art keywords
- fluoroplastic
- stainless steel
- face
- seal ring
- ring
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
Abstract
The invention discloses a fluoroplastic sealing ring. The fluoroplastic sealing ring comprises a sealing ring body. The sealing ring body is connected with an upper sealing end face and a lower sealing end face and comprises an outer annular ring main body and an inner hollow ring main body. The outer annular ring main body comprises a stainless steel outer circumference face and an inner circumference fluoroplastic face. The stainless steel outer circumference face achieves the wrapping effect on the inner circumference fluoroplastic face. By means of the fluoroplastic sealing ring, the sealing efficiency can be improved, corrosion of external impurities to a sealed workpiece can be effectively prevented, and meanwhile the fluoroplastic sealing ring has the good temperature resistance, the good pressure resistance and the good abrasion resistance.
Description
Technical field
The present invention relates to fluorine plastic product field, particularly relate to a kind of fluoroplastic seal ring.
Background technique
Seal ring is industrially widely used, and is widely used in electric power, chemical industry, oil, tap water, rock gas, pipeline valve industry, pump class industry, as stirrer, axle between stirred tank and the sealing between stirrer, seal ring plays key player in accurate industry, the quality of seal ring quality, can determine the life-span that industrial automation fluid transmits, the quality of sealed product, more and more crucial in industrial products.
Existing seal ring seal exists tight, and under complicated applied force and high/low temperature rugged environment, seal ring occurs that elastic force declines, and lost its bounce, and have short shortcoming in working life, the Renewal process of seal arrangement is difficult simultaneously.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of fluoroplastic seal ring, and can realize Fluid Sealing easy, described fluoroplastic seal ring mainly uses polytetrafluoroethylmaterial material to make, and shell is equipped with metallic material simultaneously.
Described a kind of fluoroplastic seal ring, comprises seal ring body, and described seal ring body connects upper and lower two seal faces.
Described seal ring body comprises the belt circle body in outside and inner side hollow circle body two constituent elements.The belt circle body in outside comprises two constituent elements, is stainless steel outer peripheral surface and inner circumference fluoroplastic face respectively.
Described inner circumference fluoroplastic face is polytetrafluoroethylmaterial material, described teflon is commonly called as PFA resin, the fluoroplastic of newer melt-processable, the fusing point of PFA is high, density is 2.13 grams/cc to 2.16 grams/cc, and PFA is heat-resisting, cold-resistant, chemical stability, mechanicalness, insulating properties, self lubricity, folding resistance, resistance to cracking excellent.
A kind of optimal technical scheme, described inner circumference fluoroplastic face, internal diameter width is between 25 millimeters to 30 millimeters, and external diameter width is between 35 millimeters to 50 millimeters.
Stainless steel outer peripheral surface plays coating function to inner circumference fluoroplastic face, is applied with a centripetal force to internal layer circumference fluoroplastic face.For the ease of applying external force, the stainless steel outer peripheral surface of upper and lower two end faces of described seal ring body is provided with projection, projection is convenient to apply the external force to sealing material, plays better sealing effect.
Because the expansion coefficient of fluoroplastic is several times of stainless steel material, going in ring on circle body and be also provided with stainless steel fracture in described outside, is convenient to expanding with heat and contract with cold of stainless steel material.
Also be provided with circular O type circle in described internal layer circumference fluoroplastic face, O type circle also adopts fluoroplastic to make, and is filled with glass fibre or carbon fiber, and 0 described type circle also can replace with rubber ring.
Sealing lip is provided with in O type circle, sealing lip plays seal action to sealed pipe fittings, described sealing lip adopts teflon and polyparaphenylene phenol blending material to make, polyparaphenylene phenol, wear-resisting, sealing material ideal in the industries such as metallurgy, chemical industry, high life, high temperature resistant, meanwhile, polyparaphenylene good thermal stability, corrosion resistance, self-lubricating property is better than molybdenum disulfide and graphite, the molecular chain of PPL, due to very large rigidity and regularity, makes it cannot not be molten insoluble, self machine shaping difficulty, need fill the blended use of other materials.
Meanwhile, described stainless steel outer peripheral surface is provided with circular collar, described back-up ring is provided with buckle, play the object of fastening stainless steel outer peripheral surface.
A kind of optimal technical scheme, described back-up ring quantity is 2, and the buckle quantity that back-up ring is arranged also is 2.
The invention has the beneficial effects as follows: a kind of fluoroplastic seal ring of the present invention, leakage efficiency can be improved, effectively organize introduced contaminants to the corrosion of sealing workpiece, meanwhile, fluoroplastic seal ring has good heatproof, withstand voltage and wear-resisting property, compressive resistance is strong, long service life, and efficiency is high, easy processing, is particularly useful for various strong corrosive environment simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of fluoroplastic seal ring structure of the present invention schematic diagram;
In accompanying drawing, the mark of each parts is as follows:
1 is protruding, and 2 is the circle body that goes in ring, and 3 is stainless steel outer peripheral surface, and 31 is stainless steel fracture, and 4 is inner circumference fluoroplastic faces, and 5 is O type circle, and 6 is sealing lip, and 7 is back-up ring, and 71 is buckle.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
Described a kind of fluoroplastic seal ring, comprises seal ring body, and described seal ring body connects upper and lower two seal faces.
Described seal ring body comprises the belt circle body in outside and inner side hollow circle body two constituent elements.The belt circle body in outside comprises two constituent elements, is stainless steel outer peripheral surface and inner circumference fluoroplastic face respectively.
Described inner circumference fluoroplastic face is polytetrafluoroethylmaterial material, described teflon is commonly called as PFA resin, the fluoroplastic of newer melt-processable, the fusing point of PFA is high, density is 2.13 grams/cc to 2.16 grams/cc, and PFA is heat-resisting, cold-resistant, chemical stability, mechanicalness, insulating properties, self lubricity, folding resistance, resistance to cracking excellent.
A kind of optimal technical scheme, described inner circumference fluoroplastic face, internal diameter width is between 25 millimeters to 30 millimeters, and external diameter width is between 35 millimeters to 50 millimeters.
Stainless steel outer peripheral surface plays coating function to inner circumference fluoroplastic face, is applied with a centripetal force to internal layer circumference fluoroplastic face.For the ease of applying external force, the stainless steel outer peripheral surface of upper and lower two end faces of described seal ring body is provided with projection, projection is convenient to apply the external force to sealing material, plays better sealing effect.
Because the expansion coefficient of fluoroplastic is several times of stainless steel material, going in ring on circle body and be also provided with stainless steel fracture in described outside, is convenient to expanding with heat and contract with cold of stainless steel material.
Also be provided with circular O type circle in described internal layer circumference fluoroplastic face, O type circle also adopts fluoroplastic to make, and is filled with glass fibre or carbon fiber, and 0 described type circle also can replace with rubber ring.
Sealing lip is provided with in O type circle, sealing lip plays seal action to sealed pipe fittings, described sealing lip adopts teflon and polyparaphenylene phenol blending material to make, polyparaphenylene phenol, wear-resisting, sealing material ideal in the industries such as metallurgy, chemical industry, high life, high temperature resistant, meanwhile, polyparaphenylene good thermal stability, corrosion resistance, self-lubricating property is better than molybdenum disulfide and graphite, the molecular chain of PPL, due to very large rigidity and regularity, makes it cannot not be molten insoluble, self machine shaping difficulty, need fill the blended use of other materials.
Meanwhile, described stainless steel outer peripheral surface is provided with circular collar, described back-up ring is provided with buckle, play the object of fastening stainless steel outer peripheral surface.
A kind of optimal technical scheme, described back-up ring quantity is 2, and the buckle quantity that back-up ring is arranged also is 2.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a fluoroplastic seal ring, it is characterized in that, comprise: seal ring body, described seal ring body connects upper and lower two seal faces, described seal ring body comprises the belt circle body in outside and inner side hollow circle body two constituent elements, the belt circle body in outside comprises two constituent elements, stainless steel outer peripheral surface and inner circumference fluoroplastic face respectively, the stainless steel outer peripheral surface of upper and lower two end faces of described seal ring body is provided with projection, go in ring on circle body and be also provided with stainless steel fracture in described outside, be convenient to expanding with heat and contract with cold of stainless steel material, circular O type circle is also provided with in described internal layer circumference fluoroplastic face, sealing lip is provided with in O type circle, simultaneously, described stainless steel outer peripheral surface is provided with circular collar, described back-up ring is provided with buckle.
2. fluoroplastic seal ring according to claim 1, is characterized in that, described inner circumference fluoroplastic face internal diameter width is between 25 millimeters to 30 millimeters, and external diameter width is between 35 millimeters to 50 millimeters.
3. fluoroplastic seal ring according to claim 1, is characterized in that, described back-up ring quantity is 2, and the buckle quantity that back-up ring is arranged also is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510389225.5A CN104930190B (en) | 2015-07-06 | 2015-07-06 | Fluoroplastic sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510389225.5A CN104930190B (en) | 2015-07-06 | 2015-07-06 | Fluoroplastic sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104930190A true CN104930190A (en) | 2015-09-23 |
| CN104930190B CN104930190B (en) | 2017-05-17 |
Family
ID=54117498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510389225.5A Expired - Fee Related CN104930190B (en) | 2015-07-06 | 2015-07-06 | Fluoroplastic sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104930190B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578721A (en) * | 2018-06-08 | 2019-12-17 | 布柯玛蓄能器（天津）有限公司 | High and low temperature resistant piston energy accumulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4085942A (en) * | 1975-10-06 | 1978-04-25 | Sumitomo Kinzoku Kogyo Kabushiki Kaisha | Packing for use in steel-pipe hydraulic testing apparatus |
| JPH10235440A (en) * | 1997-02-25 | 1998-09-08 | Japan Metal Gasket Co Ltd | Combining method for laminated metal plate and press die used therefor |
| CN103410964A (en) * | 2013-07-26 | 2013-11-27 | 苏州踵力重型机械有限公司 | Stainless steel seal ring with notches |
| CN104395654A (en) * | 2012-09-11 | 2015-03-04 | 伊格尔工业股份有限公司 | Mechanical seal |
| CN204921967U (en) * | 2015-07-06 | 2015-12-30 | 苏州崇恩模塑有限公司 | Sealing ring of fluoroplastics |
-
2015
- 2015-07-06 CN CN201510389225.5A patent/CN104930190B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4085942A (en) * | 1975-10-06 | 1978-04-25 | Sumitomo Kinzoku Kogyo Kabushiki Kaisha | Packing for use in steel-pipe hydraulic testing apparatus |
| JPH10235440A (en) * | 1997-02-25 | 1998-09-08 | Japan Metal Gasket Co Ltd | Combining method for laminated metal plate and press die used therefor |
| CN104395654A (en) * | 2012-09-11 | 2015-03-04 | 伊格尔工业股份有限公司 | Mechanical seal |
| CN103410964A (en) * | 2013-07-26 | 2013-11-27 | 苏州踵力重型机械有限公司 | Stainless steel seal ring with notches |
| CN204921967U (en) * | 2015-07-06 | 2015-12-30 | 苏州崇恩模塑有限公司 | Sealing ring of fluoroplastics |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578721A (en) * | 2018-06-08 | 2019-12-17 | 布柯玛蓄能器（天津）有限公司 | High and low temperature resistant piston energy accumulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104930190B (en) | 2017-05-17 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201119 Address after: 215100, Jiangsu, Suzhou province Xiangcheng District hope Zhen Hu Lake Village Patentee after: SUZHOU JIENING MOLDING Co.,Ltd. Address before: 215155, Jiangsu Province, Suzhou, Xiangcheng District pavilion town homestead Village 8 groups Patentee before: SUZHOU CHONGEN MOLDING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 |