CN112555536A - Flange sealing gasket structure - Google Patents
Flange sealing gasket structure Download PDFInfo
- Publication number
- CN112555536A CN112555536A CN202011502359.0A CN202011502359A CN112555536A CN 112555536 A CN112555536 A CN 112555536A CN 202011502359 A CN202011502359 A CN 202011502359A CN 112555536 A CN112555536 A CN 112555536A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- sealing
- flange
- recess
- stainless steel
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 92
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 3
- 238000010030 laminating Methods 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 229910002804 graphite Inorganic materials 0.000 abstract description 4
- 239000010439 graphite Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
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
- F16L23/20—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of metal
-
- 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
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to the technical field of automobile engines, and discloses a flange sealing gasket structure which solves the technical problems existing in the sealing use process of the conventional graphite gasket. According to the technical scheme, the principle of the tightness of the flange sealing device is that when two flanges are tightened through bolts, the flanges firstly contact with the grooves and continue to be tightened, and the sealing gasket is tightly attached to the flanges through the reverse elasticity of the grooves, so that the sealing effect is achieved.
Description
Technical Field
The invention relates to the technical field of automobile engines, in particular to a flange sealing gasket structure.
Background
At present, automobile emission regulations are getting tighter and tighter, the performance of an engine is promoted while emission is upgraded, and the exhaust temperature of tail gas is also getting higher and higher, which puts higher requirements on sealing connection used on an aftertreatment catalyst.
The problem of the connection leakproofness between the aftertreatment converter is solved, adopt in the trade to increase a sealed pad between the flange usually and be used for sealing up, sealed pad often adopts stainless steel endocyst graphite structure, compresses tightly back extrusion graphite sealing pad through the flange and pastes in both ends flange face and play sealed about. Gaskets using this material have a service temperature of up to 600 ℃.
However, with the implementation of six countries at present, aftertreatment tail gas temperature will reach 750 ~ 800 ℃ or so to the highest, and the graphite gasket can't satisfy, easily oxidizes inefficacy, simultaneously because it is sealed to compress tightly the formula, does not have the resilience, and sealed the pad can only be used once, and repeated dismantlement needs the new gasket of change, has also increased use cost.
Disclosure of Invention
Aiming at the technical problems in the sealing use process of the conventional graphite gasket in the background technology, the sealing principle of the invention is that when two flanges are tightened by bolts, the flanges firstly contact the groove and continue to be tightened, and the reverse elasticity of the groove tightly attaches the sealing gasket to the flanges to play a role in sealing.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a sealed pad structure of flange, includes sealed lid, one side of sealed lid is equipped with seal assembly, seal assembly includes first sealing ring, second sealing ring and third sealing ring, the last punching of first sealing ring has first recess, the punching has the second recess on the second sealing ring, first recess and the cooperation of second recess form protrudingly, will again first sealing ring and second sealing ring laminate with the third sealing ring, the third sealing ring sets up the turn-ups and makes first sealing ring, second sealing ring and third sealing ring all laminate together.
Through above-mentioned technical scheme, the principle that plays the leakproofness is when two flanges pass through the in-process that the bolt was tightened, and the flange is contacted recess department at first, continues to tighten the flange, and the reverse elasticity of recess is with sealed the flange that closely laminates of filling up, plays sealed effect.
The invention is further configured to: the first sealing ring, the second sealing ring and the third sealing ring are all made of stainless steel materials.
By the technical scheme, the material is stainless steel, and the temperature resistance grade is high.
The invention is further configured to: the first sealing ring, the second sealing ring and the third sealing ring are all made of stainless steel of SUS 304.
By the technical scheme, the material is stainless steel, and the temperature resistance grade is high.
The invention is further configured to: the first sealing ring, the second sealing ring and the third sealing ring are fixed by adding one spot welding on the surface of the flanging of the third sealing ring, so that the fixation is strengthened, and the first sealing ring, the second sealing ring and the third sealing ring are prevented from position deviation.
Through above-mentioned technical scheme, fixed mode is strengthened fixedly through turn-ups and with some welding forms, and the reliability is higher.
In conclusion, the invention has the following beneficial effects:
(1) the material is stainless steel, so that the temperature resistance level is improved;
(2) the novel structure can improve the sealing performance, can be used for multiple times and has no attenuation of performance;
(3) the stainless steel sheet has stronger deformation resistance and large elasticity in the pressing process, so the sealing performance is better;
(4) the fixing mode is strengthened and fixed through turn-ups and spot welding, and the reliability is higher.
Drawings
FIG. 1 is a front view of a flange seal configuration;
FIG. 2 is a cross-sectional view of the seal assembly taken along the line A-A in FIG. 1;
fig. 3 is a cross-sectional view of the seal assembly taken along the direction B-B in fig. 1.
Reference numerals: 1. a sealing cover; 2. a seal assembly; 21. a first seal ring; 211. a first groove; 22. a second seal ring; 221. a second groove; 23. a third seal ring; 231. flanging; 24. and (4) protruding.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Example 1
A flange gasket structure is disclosed, as shown in figures 1-3, the scheme adopts three stainless steel rings, a first sealing ring 21, a second sealing ring 22 and a third sealing ring 23, which jointly form a sealing assembly 2, the sealing assembly 2 is mounted on a sealing cover 1, SUS304 stainless steel is selected as the material of the first sealing ring 21, the second sealing ring 22 and the third sealing ring 23, the first sealing ring 21 and the second sealing ring 22 are respectively stamped into a groove which is a first groove 211 and a second groove 221, and a bulge 24 is formed at the positions of the first groove 211 and the second groove 221, which is a key point for sealing, then the first sealing ring 21, the second sealing ring 22 and the third sealing ring 23 are flatly attached, special equipment is used for flanging the third sealing ring 23 to form a flanging 231 structure, so that the first sealing ring 21, the second sealing ring 22 and the third sealing ring 23 are attached together, and finally a spot welding is added at the surface, the device is used for strengthening fixation and preventing three stainless steel sheets from position deviation. The principle of playing the leakproofness is that when two flanges through the in-process that the bolt was tightened, the flange contacted recess department at first, continues to tighten the flange, and the reverse elasticity of recess is with sealed the flange that closely laminates of filling up, plays sealed effect.
Example 2
A flange gasket structure, as shown in fig. 1 to 3, the sealing structure of this embodiment is substantially the same as that of embodiment 1, except that in this embodiment, the first sealing ring 21, the second sealing ring 22 and the third sealing ring 23 are made of other high temperature resistant materials, such as: other types of stainless steel, synthetic diamond, etc.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (4)
1. The utility model provides a flange sealing gasket structure, includes sealed lid (1), one side of sealed lid (1) is equipped with seal assembly (2), its characterized in that, seal assembly (2) are including first sealing ring (21), second sealing ring (22) and third sealing ring (23), first sealing ring (21) are stamped first recess (211), second sealing ring (22) are stamped second recess (221), first recess (211) and second recess (221) cooperation form arch (24), will again first sealing ring (21) and second sealing ring (22) and third sealing ring (23) laminating, third sealing ring (23) set up turn-ups (231) and make first sealing ring (21), second sealing ring (22) and third sealing ring (23) all laminate together.
2. A flange gasket construction according to claim 1, wherein: the first sealing ring (21), the second sealing ring (22) and the third sealing ring (23) are all made of stainless steel materials.
3. A flange gasket construction according to claim 2, wherein: the first sealing ring (21), the second sealing ring (22) and the third sealing ring (23) are all made of stainless steel of SUS 304.
4. A flange gasket construction according to claim 1, wherein: the first sealing ring (21), the second sealing ring (22) and the third sealing ring (23) are fixed by adding one spot welding way on the surface of the flanging of the third sealing ring (23) for strengthening fixation and preventing the first sealing ring (21), the second sealing ring (22) and the third sealing ring (23) from position deviation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011502359.0A CN112555536A (en) | 2020-12-17 | 2020-12-17 | Flange sealing gasket structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011502359.0A CN112555536A (en) | 2020-12-17 | 2020-12-17 | Flange sealing gasket structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112555536A true CN112555536A (en) | 2021-03-26 |
Family
ID=75063491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011502359.0A Pending CN112555536A (en) | 2020-12-17 | 2020-12-17 | Flange sealing gasket structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112555536A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187971A (en) * | 2021-04-20 | 2021-07-30 | 江西五十铃汽车有限公司 | Sealing connection device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4337975A1 (en) * | 1993-11-06 | 1995-05-11 | Neumo Gmbh | Housing sealing arrangement for fluid housings, in particular flanged connections |
| CN102536506A (en) * | 2012-02-16 | 2012-07-04 | 重庆长安汽车股份有限公司 | Seal gasket for engine exhaust system |
| CN203756984U (en) * | 2014-03-19 | 2014-08-06 | 安徽江淮汽车股份有限公司 | Sealing pad and auxiliary exhausting system |
| CN204003150U (en) * | 2014-08-22 | 2014-12-10 | 锦州光和密封实业有限公司 | Engine supercharger sealing gasket |
| CN204592639U (en) * | 2015-02-11 | 2015-08-26 | 中华全国供销合作总社郑州棉麻工程技术设计研究所 | A kind of air-transport system sheet-metal duct Stamping Steel Ribbon |
| CN204647625U (en) * | 2015-05-25 | 2015-09-16 | 安徽江淮汽车股份有限公司 | A kind of exhaust pipe seal gasket |
| CN205978904U (en) * | 2016-07-21 | 2017-02-22 | 北京美联桥科技发展有限公司 | Bellied tub of joint sealing structure of belt wheel shape |
| CN206816383U (en) * | 2017-06-29 | 2017-12-29 | 重庆长安汽车股份有限公司 | A kind of engine supercharger sealing gasket |
| CN207761826U (en) * | 2017-12-12 | 2018-08-24 | 沈阳航天三菱汽车发动机制造有限公司 | A kind of vehicle engine booster entrance pad |
| CN208268600U (en) * | 2018-05-21 | 2018-12-21 | 上海汽车集团股份有限公司 | Novel automobile exhaust system metallic graphite carbon gasket |
-
2020
- 2020-12-17 CN CN202011502359.0A patent/CN112555536A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4337975A1 (en) * | 1993-11-06 | 1995-05-11 | Neumo Gmbh | Housing sealing arrangement for fluid housings, in particular flanged connections |
| CN102536506A (en) * | 2012-02-16 | 2012-07-04 | 重庆长安汽车股份有限公司 | Seal gasket for engine exhaust system |
| CN203756984U (en) * | 2014-03-19 | 2014-08-06 | 安徽江淮汽车股份有限公司 | Sealing pad and auxiliary exhausting system |
| CN204003150U (en) * | 2014-08-22 | 2014-12-10 | 锦州光和密封实业有限公司 | Engine supercharger sealing gasket |
| CN204592639U (en) * | 2015-02-11 | 2015-08-26 | 中华全国供销合作总社郑州棉麻工程技术设计研究所 | A kind of air-transport system sheet-metal duct Stamping Steel Ribbon |
| CN204647625U (en) * | 2015-05-25 | 2015-09-16 | 安徽江淮汽车股份有限公司 | A kind of exhaust pipe seal gasket |
| CN205978904U (en) * | 2016-07-21 | 2017-02-22 | 北京美联桥科技发展有限公司 | Bellied tub of joint sealing structure of belt wheel shape |
| CN206816383U (en) * | 2017-06-29 | 2017-12-29 | 重庆长安汽车股份有限公司 | A kind of engine supercharger sealing gasket |
| CN207761826U (en) * | 2017-12-12 | 2018-08-24 | 沈阳航天三菱汽车发动机制造有限公司 | A kind of vehicle engine booster entrance pad |
| CN208268600U (en) * | 2018-05-21 | 2018-12-21 | 上海汽车集团股份有限公司 | Novel automobile exhaust system metallic graphite carbon gasket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187971A (en) * | 2021-04-20 | 2021-07-30 | 江西五十铃汽车有限公司 | Sealing connection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4465287A (en) | Cylinder-head gasket for piston-type internal combustion engines | |
| ES282779U (en) | Sealed joint between a basin and a cover plate | |
| US7234705B2 (en) | Sealing gasket with flexible stopper | |
| CN112555536A (en) | Flange sealing gasket structure | |
| EP0433501A1 (en) | Metal gasket | |
| US5775701A (en) | Exhaust tube gasket for combustion gases | |
| EP1217268A2 (en) | Metal laminate gasket with continuous bead | |
| EP1510734B1 (en) | Sealing gasket with flexible stopper | |
| CN203067776U (en) | Gasket of supercharger | |
| CN210622940U (en) | Composite metal sealing cylinder gasket for internal combustion engine | |
| CN212776117U (en) | Metal wave tooth composite sealing gasket | |
| JP4041684B2 (en) | Metal gasket | |
| CN204877581U (en) | Engine supercharger returns oil pipe gasket | |
| JPH0138285Y2 (en) | ||
| KR102102401B1 (en) | Gasket for turo charger | |
| JP2005146909A (en) | Oil pan gasket | |
| CN212614982U (en) | Automobile exhaust pipeline sealing structure and vehicle with same | |
| KR101104313B1 (en) | Gasket for exhaust pipe | |
| CN212407880U (en) | Anti-skid wear-resistant welding neck flange | |
| CN217518750U (en) | Sealing gasket with filter screen | |
| CN214838389U (en) | Prevent blast pipe sealing ring of leakage | |
| JPH081327Y2 (en) | Gasket with seal ring | |
| CN210106579U (en) | High-temperature-resistant sealing gasket | |
| CN219822376U (en) | Soft sealing device for external floating roof storage tank | |
| CN210069183U (en) | Tetrafluoro flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210326 |
|
| RJ01 | Rejection of invention patent application after publication |