CN2814034Y - C type ring sealing spacer - Google Patents
C type ring sealing spacer Download PDFInfo
- Publication number
- CN2814034Y CN2814034Y CN 200520031049 CN200520031049U CN2814034Y CN 2814034 Y CN2814034 Y CN 2814034Y CN 200520031049 CN200520031049 CN 200520031049 CN 200520031049 U CN200520031049 U CN 200520031049U CN 2814034 Y CN2814034 Y CN 2814034Y
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- Prior art keywords
- arc
- type
- footpath
- sealing washer
- class
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- Expired - Fee Related
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Abstract
The utility model discloses a kind C type circular sealing washer, such C type circular sealing washer for the cross section be " class C " type or " bow " type, imploded arcs arc footpath R4 is identical with interior convex arc arc footpath R3, outer concave arc arc footpath R1 is greater than the arc footpath R2 of outer convex arc, indent distance L 2 is identical with evagination distance L 1, and the part intermediate portion of evagination is straight transitions, adopts 20# steel or general the manufacturing to use steel, the sectional stamping moulding, butt welding forms again.The utility model cost of raw material is cheap, makes processing simply, better tolerance under the working condition, and long service life, sealing effect is by simulation, and three contacts have the function of self-tightening sealing again, good sealing effect during use.
Description
Technical field:
The utility model relates to a kind of pad, specifically a kind of annular gasket that uses in bolt flange connects.
Background technique:
Along with industries such as oil, chemical industry develop to high temperature, high pressure and maximization direction, it is essential that dismoutability connects, most dismoutabilities connect the employing bolt flange and connect, and leak volume is the principal economic indicators in the bolt flange connection engineering, connected element-pad between the last lower flange is the key element that influences leakage rate, therefore, the mechanical property of pad and the problem of sealability are the emphasis of the technician of each side research always.Notification number is that the Chinese patent of CN2674239 discloses a kind of " flange slot seal ring ", it is the annular opening of nail type that the sealing ring adopts the cross section, the center of one end is provided with recessed house, the kernel of section place has groove, this scenario-frame is simple, easy to use, and can lean on self to expand and be critical, but anti-fatigue ability and working life are limited; Notification number is that the Chinese patent of CN2462150 discloses a kind of " metal pipe sealing pad ", adopt metal bandlet and graphite layer to overlap and constitute seal ring, the cross section of metal bandlet is " W " type, make that this structure anti-pressure ability is good, long service life, but still be the two sides contact, can't realize self-tightening sealing.
Summary of the invention:
The utility model is exactly to provide a kind of class C type circular sealing washer reliable, safe in utilization that seals at above deficiency, and the sealing pad can be realized three contacts and full self-tightening sealing.
Technical solution adopted in the utility model is:
One kind C type circular sealing washer is characterized in that: its cross section is " class C " type or " bow " type.
Described class C type circular sealing washer, imploded arcs is identical with the arc footpath of interior convex arc, and outer concave arc arc footpath is greater than the arc footpath of outer convex arc, and the part intermediate portion of evagination is a straight transitions.
Described class C type circular sealing washer, indent is identical with the distance of evagination.
Described class C type circular sealing washer adopts 20# steel or general the manufacturing to use steel drift molded.
The technique effect that the utility model can reach is:
1, the utility model material is selected 20# steel or generic container manufacturing steel for use, and the cost of raw material is cheap, makes processing simply, better tolerance under the working condition, long service life.
2, the utility model adopts the sealing of concave-concave grooved ring to substitute the sealing of concave-convex shape ring, makes that sealing surface processing is simple, and sealing effect is by simulation, and the result is presented in the use of medium-voltage equipment than concave-convex shape ring favorable sealing effect.
3, the utility model sectional die cast, butt welding forms again, and three contacts have the function of self-tightening sealing again, good sealing effect during use.
4, the sealing surface of the utility model flange can be dual-cavity turning processing, makes that the manufacturing processing of flange is more simple, and its seal groove is offered easy processing.
Description of drawings:
Fig. 1 is the utility model schematic cross-section.
Fig. 2 is the assembling schematic representation of the utility model and flange.
Embodiment:
The utility model will be further described below in conjunction with accompanying drawing:
As shown in Figure 1 and Figure 2: such C type circular sealing washer for the cross section be " class C " type or " bow " type, imploded arcs arc footpath R4 is identical with interior convex arc arc footpath R3's, outer concave arc arc footpath R1 is greater than the arc footpath R2 of outer convex arc, indent distance L 2 is identical with evagination distance L 1, and the part intermediate portion of evagination is a straight transitions, adopt 20# steel or general the manufacturing to use steel, the sectional stamping moulding, butt welding forms again.
During use, this pad relies on up and down, and projection and the seal ring outside contact with the tight face of last lower flange groove sealing surface and reach, when tightening fastener parts, seal ring is subjected to elastic compression, and the surface of contact up and down of ring produces the initial sealing specific pressure, thereby reach sealing purpose, when interior press rise after, flange is to because pressure medium has the trend of leaving mutually, the seal ring inner chamber also is subjected to the effect of pressure medium simultaneously, seal ring is axially opened, thereby guaranteed sealing.
Claims (4)
1, a kind C type circular sealing washer is characterized in that: its cross section is " class C " type or " bow " type.
2, class C type circular sealing washer as claimed in claim 1 is characterized in that: imploded arcs arc footpath (R4) is identical with the arc footpath (R3) of interior convex arc, and outer concave arc arc footpath (R1) is greater than the arc footpath (R2) of outer convex arc, and the part intermediate portion of evagination is a straight transitions.
3, class C type circular sealing washer as claimed in claim 1 or 2 is characterized in that: indent distance (L2) is identical with the distance (L1) of evagination.
4, class C type circular sealing washer as claimed in claim 3 is characterized in that: adopt 20# steel or general the manufacturing to use steel drift molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520031049 CN2814034Y (en) | 2005-06-22 | 2005-06-22 | C type ring sealing spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520031049 CN2814034Y (en) | 2005-06-22 | 2005-06-22 | C type ring sealing spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2814034Y true CN2814034Y (en) | 2006-09-06 |
Family
ID=36949122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520031049 Expired - Fee Related CN2814034Y (en) | 2005-06-22 | 2005-06-22 | C type ring sealing spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2814034Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123025A (en) * | 2011-11-21 | 2013-05-29 | 中国航空工业集团公司沈阳发动机设计研究所 | High-temperature pipeline sealing structure capable of axial expansion |
| CN104179979A (en) * | 2014-07-30 | 2014-12-03 | 东方电气集团东方汽轮机有限公司 | Seal structure for flange butt joint surface |
| CN108253139A (en) * | 2017-12-20 | 2018-07-06 | 北京控制工程研究所 | A kind of highly reliable flat seal modular construction |
| CN109140078A (en) * | 2018-11-14 | 2019-01-04 | 北京宇航系统工程研究所 | A kind of self-tightening type dish flange sealing structure |
| CN112283469A (en) * | 2020-10-30 | 2021-01-29 | 中国航发湖南动力机械研究所 | Pipeline connection sealing structure |
-
2005
- 2005-06-22 CN CN 200520031049 patent/CN2814034Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123025A (en) * | 2011-11-21 | 2013-05-29 | 中国航空工业集团公司沈阳发动机设计研究所 | High-temperature pipeline sealing structure capable of axial expansion |
| CN103123025B (en) * | 2011-11-21 | 2016-04-06 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of high temperature conduit sealing configuration allowing axial expansion |
| CN104179979A (en) * | 2014-07-30 | 2014-12-03 | 东方电气集团东方汽轮机有限公司 | Seal structure for flange butt joint surface |
| CN108253139A (en) * | 2017-12-20 | 2018-07-06 | 北京控制工程研究所 | A kind of highly reliable flat seal modular construction |
| CN109140078A (en) * | 2018-11-14 | 2019-01-04 | 北京宇航系统工程研究所 | A kind of self-tightening type dish flange sealing structure |
| CN112283469A (en) * | 2020-10-30 | 2021-01-29 | 中国航发湖南动力机械研究所 | Pipeline connection sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20120622 |