CN105864537A - Novel flange seal washer - Google Patents
Novel flange seal washer Download PDFInfo
- Publication number
- CN105864537A CN105864537A CN201610368513.7A CN201610368513A CN105864537A CN 105864537 A CN105864537 A CN 105864537A CN 201610368513 A CN201610368513 A CN 201610368513A CN 105864537 A CN105864537 A CN 105864537A
- Authority
- CN
- China
- Prior art keywords
- flange seal
- packing ring
- seal packing
- flange
- shape
- 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.)
- Pending
Links
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- 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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
-
- 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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
- F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a novel flange seal washer. The section of the novel flange seal washer is of a combined structure characterized in that an outer circle part which is rectangular is combined with an inner circle part which is in an O shape. According to the dimension of the section, the rectangular length is a, the width is b, and the radius of the O shape is r, wherein 2r is larger than or equal to b. Accordingly, the flange seal washer is a combined body of a flange ring and an O-shaped ring, the siamesed annular O-shaped ring is designed on the inner ring of a slab type rubber washer, and the sealing performance of the flange seal washer is enhanced due to the shape of the section. The novel flange seal washer has the beneficial effects of being precise to mount and locate and high in sealing safety and stability, and meanwhile the pressure resistance can reach 6 Mpa and is far higher than that of an existing seal washer.
Description
Technical field
The present invention relates to flange seal packing ring during joint seal of flanges, belong to potted component technical field.
Background technology
The commonly used flat rubber washer of traditional joint seal of flanges, its pressure that can bear is relatively low,
Typically it is defined in 1.6MPa pressure used below, additionally, due to its simple in construction, the security therefore sealed
Poor.And at present the height of rubber washer its rigidity selects to also exist following awkward situation: rubber hardness
Though high pressure height its sealing property is not good enough, and if rubber hardness is low, although sealing performance is quite a lot of,
But sealing gasket is easily pressed within and breaks through, and causes leakage.There is presently no a kind of reasonable seal washer permissible
Realize hardness (pressure) and sealing property is the most excellent.
Summary of the invention
Problem to be solved by this invention is to provide a kind of face-flange connection rubber gasket, and it has
The feature that accurate positioning, sealingly secure and stability are high is installed.Meanwhile, the voltage endurance capability of the present invention up to
To 6Mpa, the most existing seal washer.
A kind of novel flange seal packing ring of the present invention, is characterized in that: the cross sectional shape of flange seal packing ring is:
Excircle part is the combining structure that rectangle, inner circular part are divided into O shape to combine.Wherein, the size in cross section includes
The long a of rectangle, the radius of wide b, O shape are r, 2r >=b.From the above, it can be seen that flange seal of the present invention
Packing ring is the combination of flange circle and O, i.e. designs a disjunctor at the inner ring of flat rubber washer
Annular O, this kind of cross sectional shape enhances the sealing property of flange seal packing ring of the present invention.
As a kind of preferred embodiment of the present invention, in flange seal packing ring of the present invention: O shape and rectangle intersection
Chord length is c, c=b.So, the intersection of O shape and rectangle does not haves downward depression, thus without because of
Make for stress problem seal washer rupture from there to come, thus extend the service life of seal washer.
As a modification of the present invention mode, in flange seal packing ring of the present invention: arrange in the inside of rectangle
The steel sheet skeleton 4 built-in steel sheet skeleton structure having annular can strengthen rigidity and the resistance to pressure energy of resistance to compression of seal washer
Power so that it is can use safely below 6Mpa pressure.As a kind of preferred embodiment, built-in steel sheet skeleton
Thickness is 0.5~4mm, depending on its concrete size is according to the width b of rectangle.
In order to improve the bonding force of built-in steel sheet skeleton and outside rubber, built-in steel sheet skeleton and outside rubber
Vulcanize overall structure for integral type, wherein, need to carry out sandblasting, ball blast and painting before the sulfuration of built-in steel sheet skeleton
The surfaces such as adhesive process, so that it is guaranteed that the overall high intensity of flange seal packing ring.
In order to adapt to the demand of pipeline conveying different medium, packing ring can use different quality of rubber materials to produce:
Specifically, the material of packing ring can use EPDM rubber (ethylene propylene diene rubber) or NBR rubber (fourth
Nitrile rubber).Wherein, the ageing-resistant performance of EPDM rubber material is good, and is difficult to chemical mediator occurs anti-
Should;NBR rubber material may insure that the oil resistance of product.
The advantage of flange seal packing ring of the present invention is: one, the cross sectional shape of flange seal packing ring of the present invention is excellent
Point is: flange adds the fillet that there is an indent man-hour, when flange seal packing ring of the present invention is assemblied in two methods
Time between orchid, on flange, the fillet of indent just matches with the O shape of the present invention so that position standard between the two
Really, the arc surface that both tightly fit makes sealing property improve, even if having worn and torn in cooperation face, and arc surface
Can also automatically compensate abrasion;Owing to the arc surface of packing ring is higher than plane, when being impacted by liquid or gas,
The arc surface of flange seal packing ring can be stuck at the fillet of flange indent tightly, without being washed out, because of
This flange seal packing ring of the present invention can bear bigger pressure, also ensure that the safety and stability of sealing;
Two, the present invention be the most flat rubber washer of rectangle centrally through integral type sulfuration method inserted ring
The steel sheet skeleton of shape, the existence of the steel sheet skeleton of annular uses the rigidity of flange seal packing ring of the present invention and pressure
Performance greatly improves;Three, the surfaces such as sandblasting, ball blast and coating adhesive are carried out before the sulfuration of built-in steel sheet skeleton
Process, improve the bonding force of built-in steel sheet skeleton and rubber, so that it is guaranteed that flange seal packing ring is overall high
Intensity;Four, the selection of elastomeric material improves the service life of product.On innovation improve and improve flange even
Connect pressure performance and the security of sealing.
In a word, the sealingly secure of flange seal packing ring of the present invention, performance for stability are greatly improved, and have
The feature of accurate positioning is installed.Meanwhile, the voltage endurance capability of flange seal packing ring of the present invention reaches 6MPa, therefore
Can use safely at below 6MPa.
Accompanying drawing explanation
Fig. 1 is the cross sectional shape schematic diagram of flange seal packing ring of the present invention;
Fig. 2 is the use schematic diagram of flange seal packing ring of the present invention.
Detailed description of the invention
A kind of novel flange seal packing ring of the present invention, is characterized in that: the cross sectional shape of flange seal packing ring is:
Excircle part is the combining structure that rectangle, inner circular part are divided into O shape to combine.Wherein, the size in cross section includes
The long a of rectangle, the radius of wide b, O shape are r, 2r >=b.From the above, it can be seen that flange seal of the present invention
Packing ring is the combination of flange circle and O, i.e. designs a disjunctor at the inner ring of flat rubber washer
Annular O, this kind of cross sectional shape enhances the sealing property of flange seal packing ring of the present invention.
As a kind of preferred embodiment of the present invention, in flange seal packing ring of the present invention: O shape and rectangle intersection
Chord length is c, c=b.So, the intersection of O shape and rectangle does not haves downward depression, thus without because of
Make for stress problem seal washer rupture from there to come, thus extend the service life of seal washer.
As a modification of the present invention mode, in flange seal packing ring of the present invention: arrange in the inside of rectangle
The steel sheet skeleton 4 built-in steel sheet skeleton structure having annular can strengthen rigidity and the resistance to pressure energy of resistance to compression of seal washer
Power so that it is can use safely below 6Mpa pressure.As a kind of preferred embodiment, built-in steel sheet skeleton
Thickness is 0.5~4mm, depending on its concrete size is according to the width b of rectangle.
Figure it is seen that flange 2 is enclosed within pipeline 1, flange seal packing ring 3 of the present invention is in two flanges 2
Between, and make flange seal packing ring 3 fit tightly with flange 2 by bolt 5.
In order to improve the bonding force of built-in steel sheet skeleton and outside rubber, built-in steel sheet skeleton and outside rubber
Vulcanize overall structure for integral type, wherein, need to carry out sandblasting, ball blast and painting before the sulfuration of built-in steel sheet skeleton
The surfaces such as adhesive process, so that it is guaranteed that the overall high intensity of flange seal packing ring.
In order to adapt to the demand of pipeline conveying different medium, packing ring can use different quality of rubber materials to produce:
Specifically, the material of packing ring can use EPDM rubber (ethylene propylene diene rubber) or NBR rubber (fourth
Nitrile rubber).Wherein, the ageing-resistant performance of EPDM rubber material is good, and is difficult to chemical mediator occurs anti-
Should;NBR rubber material may insure that the oil resistance of product.
The advantage of flange seal packing ring of the present invention is: one, the cross sectional shape of flange seal packing ring of the present invention is excellent
Point is: flange adds the fillet that there is an indent man-hour, when flange seal packing ring of the present invention is assemblied in two methods
Time between orchid, on flange, the fillet of indent just matches with the O shape of the present invention so that position standard between the two
Really, the arc surface that both tightly fit makes sealing property improve, even if having worn and torn in cooperation face, and arc surface
Can also automatically compensate abrasion;Owing to the arc surface of packing ring is higher than plane, when being impacted by liquid or gas,
The arc surface of flange seal packing ring can be stuck at the fillet of flange indent tightly, without being washed out, because of
This flange seal packing ring of the present invention can bear bigger pressure, also ensure that the safety and stability of sealing;
Two, the present invention be the most flat rubber washer of rectangle centrally through integral type sulfuration method inserted ring
The steel sheet skeleton of shape, the existence of the steel sheet skeleton of annular uses the rigidity of flange seal packing ring of the present invention and pressure
Performance greatly improves;Three, the surfaces such as sandblasting, ball blast and coating adhesive are carried out before the sulfuration of built-in steel sheet skeleton
Process, improve the bonding force of built-in steel sheet skeleton and rubber, so that it is guaranteed that flange seal packing ring is overall high
Intensity;Four, the selection of elastomeric material improves the service life of product.
In a word, flange seal packing ring of the present invention is used in the joint seal of flanges i.e. working environment of static sealing,
Its voltage endurance capability reaches 6MPa, therefore can use safely with below 6MPa.Meanwhile, flange seal of the present invention
The sealingly secure of packing ring, performance for stability are greatly improved, and have the advantages that to install accurate positioning.
Claims (8)
1. a novel flange seal packing ring, is characterized in that: the cross sectional shape of flange seal packing ring is: outer
Circular portion is the combining structure that rectangle, inner circular part are divided into O shape to combine.
Flange seal packing ring the most according to claim 1, is characterized in that: the size in cross section includes rectangle
Long a, the radius of wide b, O shape be r, 2r >=b.
Flange seal packing ring the most according to claim 2, is characterized in that: O shape and the string of rectangle intersection
A length of c, c=b.
4., according to the flange seal packing ring described in claim 1-3 any claim, it is characterized in that: flange
The cross section of seal washer is zhou duicheng tuxing, and symmetry axis is ee '.
5., according to the flange seal packing ring described in claim 1-4 any claim, it is characterized in that: at square
The steel sheet skeleton (4) being internally provided with annular of shape.
Flange seal packing ring the most according to claim 5, is characterized in that: built-in steel sheet skeleton (4)
Thickness be 0.5~4mm.
Flange seal packing ring the most according to claim 5, is characterized in that: built-in steel sheet skeleton and outside
Rubber be that integral type vulcanizes overall structure, need to carry out sandblasting, ball blast and painting before the sulfuration of built-in steel sheet skeleton viscous
The surfaces such as mixture process.
Flange seal packing ring the most according to claim 7, is characterized in that: the material of rubber can use
EPDM or NBR.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610368513.7A CN105864537A (en) | 2016-05-24 | 2016-05-24 | Novel flange seal washer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610368513.7A CN105864537A (en) | 2016-05-24 | 2016-05-24 | Novel flange seal washer |
Publications (1)
Publication Number | Publication Date |
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CN105864537A true CN105864537A (en) | 2016-08-17 |
Family
ID=56642626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610368513.7A Pending CN105864537A (en) | 2016-05-24 | 2016-05-24 | Novel flange seal washer |
Country Status (1)
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CN (1) | CN105864537A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106499802A (en) * | 2016-12-19 | 2017-03-15 | 中车长春轨道客车股份有限公司 | Sensor rubber gasket and the gear-box with the sensor rubber gasket |
CN107906200A (en) * | 2017-10-17 | 2018-04-13 | 株洲时代新材料科技股份有限公司 | Seal and liquid compound spring for liquid compound spring |
CN108087240A (en) * | 2017-12-13 | 2018-05-29 | 重庆均利密封科技有限公司 | Automobile air conditioner compressor vulcanizes sealing structure and its sulfuration process |
CN108104997A (en) * | 2017-11-30 | 2018-06-01 | 江西洪都航空工业集团有限责任公司 | A kind of engine inlets gasket |
CN109404639A (en) * | 2018-09-30 | 2019-03-01 | 安源管道实业股份有限公司 | Steel plastic compount Pipe joining method and connection component and its gasket seal used |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201014095Y (en) * | 2007-02-13 | 2008-01-30 | 宋付丽 | Sealing gasket dedicated for steel skeleton composite pipes |
CN101967240A (en) * | 2010-09-21 | 2011-02-09 | 重庆市万通工业有限公司 | Water swelling rubber, metallic composite sealing material and preparation methods thereof |
CN203036130U (en) * | 2012-11-16 | 2013-07-03 | 湖州德翔环境科技有限公司 | Rubber lining flange sealing structure |
CN103527788A (en) * | 2013-10-22 | 2014-01-22 | 中国北方车辆研究所 | Combination type sealing gasket |
CN203963322U (en) * | 2014-07-21 | 2014-11-26 | 安徽江淮汽车股份有限公司 | A kind of low pretension specific pressure sealing gasket |
CN104565620A (en) * | 2014-12-22 | 2015-04-29 | 洛阳能源密封件有限公司 | Pressure-resistant flange sealing structure |
CN205877503U (en) * | 2016-05-24 | 2017-01-11 | 马鞍山宏力橡胶制品有限公司 | Novel flange seal packing ring |
-
2016
- 2016-05-24 CN CN201610368513.7A patent/CN105864537A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201014095Y (en) * | 2007-02-13 | 2008-01-30 | 宋付丽 | Sealing gasket dedicated for steel skeleton composite pipes |
CN101967240A (en) * | 2010-09-21 | 2011-02-09 | 重庆市万通工业有限公司 | Water swelling rubber, metallic composite sealing material and preparation methods thereof |
CN203036130U (en) * | 2012-11-16 | 2013-07-03 | 湖州德翔环境科技有限公司 | Rubber lining flange sealing structure |
CN103527788A (en) * | 2013-10-22 | 2014-01-22 | 中国北方车辆研究所 | Combination type sealing gasket |
CN203963322U (en) * | 2014-07-21 | 2014-11-26 | 安徽江淮汽车股份有限公司 | A kind of low pretension specific pressure sealing gasket |
CN104565620A (en) * | 2014-12-22 | 2015-04-29 | 洛阳能源密封件有限公司 | Pressure-resistant flange sealing structure |
CN205877503U (en) * | 2016-05-24 | 2017-01-11 | 马鞍山宏力橡胶制品有限公司 | Novel flange seal packing ring |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106499802A (en) * | 2016-12-19 | 2017-03-15 | 中车长春轨道客车股份有限公司 | Sensor rubber gasket and the gear-box with the sensor rubber gasket |
CN107906200A (en) * | 2017-10-17 | 2018-04-13 | 株洲时代新材料科技股份有限公司 | Seal and liquid compound spring for liquid compound spring |
CN108104997A (en) * | 2017-11-30 | 2018-06-01 | 江西洪都航空工业集团有限责任公司 | A kind of engine inlets gasket |
CN108087240A (en) * | 2017-12-13 | 2018-05-29 | 重庆均利密封科技有限公司 | Automobile air conditioner compressor vulcanizes sealing structure and its sulfuration process |
CN108087240B (en) * | 2017-12-13 | 2024-02-09 | 重庆均利密封科技有限公司 | Vulcanizing sealing structure of automobile air conditioner compressor and vulcanizing process thereof |
CN109404639A (en) * | 2018-09-30 | 2019-03-01 | 安源管道实业股份有限公司 | Steel plastic compount Pipe joining method and connection component and its gasket seal used |
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PB01 | Publication | ||
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Application publication date: 20160817 |
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RJ01 | Rejection of invention patent application after publication |