CN204611156U - A kind of flange adopting self-energized seal packing ring - Google Patents
A kind of flange adopting self-energized seal packing ring Download PDFInfo
- Publication number
- CN204611156U CN204611156U CN201520161403.4U CN201520161403U CN204611156U CN 204611156 U CN204611156 U CN 204611156U CN 201520161403 U CN201520161403 U CN 201520161403U CN 204611156 U CN204611156 U CN 204611156U
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- Prior art keywords
- flange
- seal washer
- seal
- annular
- packing ring
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- 238000012856 packing Methods 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model relates to field of sealing technology, a kind of flange adopting self-energized seal packing ring specifically, comprise upper flange, lower flange, bolt and seal washer, two surface of contact of upper flange and lower flange are provided with annular groove, and be connected by bolt between upper flange with lower flange, seal washer is between upper flange and two surface of contact of lower flange, the upper and lower end face of seal washer is provided with annular boss, and the annular groove of annular boss and upper flange and lower flange matches, seal washer inwall is provided with annular flow groove, annular flow groove is the "T"-shaped of traverse in seal washer, and annular flow groove one end is positioned at seal washer inwall place, two ends extend in two annular boss of seal washer upper and lower end face respectively in addition, the utility model structure is simple, can realize the tight seal to Flange joint, also can prevent packing ring slippage simultaneously, and ensure that packing ring is concentric with pipeline, practicability is good.
Description
Technical field
The utility model relates to field of sealing technology, specifically a kind of flange adopting self-energized seal packing ring.
Background technique
Seal washer, as long as be a kind ofly have for machinery, equipment, pipeline the sealing spare part that the place of fluid is exactly, uses inside and outside, the material sealed.Seal washer is with metal or nonmetal tabular material, and through cutting, the technique such as punching press or cutting is made, for being tightly connected between pipeline, and being tightly connected between the parts of machinery equipment and parts.Metal packing washer and nonmetal seal washer can be divided into by material.Metal have copper washer, stainless steel packing ring, iron washer, aluminium packing ring etc.Nonmetallic have asbestos washer, non-asbestos packing ring, paper spacer, rubber washer etc.
Flange is interconnective part between pipe and pipe, for the connection between pipe end; Also the flange that the equipment that is used in is imported and exported is had, for the connection between two equipment.Flange joint or flanged joint, refer to and be interconnected releasable connection as one group of combined sealing structure by flange, packing ring and bolt three.Flange joint is easy to use, can bear larger pressure.In industrial pipeline, the use of Flange joint is very extensive.
Chinese patent 200810168406.5 discloses a kind of self-fastening composite sealing packing ring, this packing ring comprises first layer metal plate and second layer metal plate, both stacked formation ring-type compound bodys, gap is had in compound body, during packing ring work, gap can become large under the effect of pressure medium, by the pressure that medium transmits, the compensation to seal pressure can be realized, to realize self-energized seal effect, even if this invention can realize seal washer after the use long period, still have good sealing effect, but the deficiency of this application scheme is: due to the complexity of its structure, make the cost of this packing ring higher, simultaneously, adopt plain washer form, easy generation slippage, and be difficult to ensure that Sealing is concentric with pipeline.
Summary of the invention
In order to make up the deficiencies in the prior art, the utility model provides a kind of flange adopting self-energized seal packing ring, can realize the tight seal to Flange joint, also can prevent packing ring slippage simultaneously, ensures that packing ring is concentric with pipeline.
The utility model solves the technological scheme that its technical problem adopts: a kind of flange adopting self-energized seal packing ring, comprise upper flange, lower flange, bolt and seal washer, two surface of contact of described upper flange and lower flange are provided with annular groove, and the cross section of annular groove is rectangle, annular groove is used for matching with seal washer, described upper flange is connected by bolt with between lower flange, and described seal washer is between upper flange and two surface of contact of lower flange.
Described seal washer internal diameter and the through-hole diameter of upper flange and lower flange match, seal washer external diameter 1 ~ 2mm more less slightly than the surface of contact external diameter of upper flange and lower flange, and the upper and lower end face of seal washer is provided with annular boss, annular boss cross section is rectangle, and the annular groove of annular boss and upper flange and lower flange matches, thus the seal washer be positioned between upper flange and lower flange both ends of the surface is fixed, sliding phenomenon is there is when seal washer can not be made to work, described seal washer inwall is provided with annular flow groove, described annular flow groove is the "T"-shaped of traverse in seal washer, and annular flow groove one end is positioned at seal washer inwall place, two ends extend in two annular boss of seal washer upper and lower end face respectively in addition, during work, liquid medium is by entering seal washer by annular flow groove, annular flow groove can become large under the effect of pressure medium, by the pressure that medium transmits, the compensation to seal pressure can be realized, to realize self-energized seal effect, simultaneously, the compensation that the both ends of the surface of seal washer and a pair annular boss will realize seal pressure simultaneously, sealing effect is better.
Described seal washer adopts rubber material, has certain elasticity.
The beneficial effects of the utility model are:
(1). a kind of flange adopting self-energized seal packing ring of the present utility model, the groove of its flange and the boss of seal washer match, and produce slippage when effectively preventing seal washer to work;
(2). a kind of flange adopting self-energized seal packing ring of the present utility model, annular flow groove is had in described seal washer, annular flow groove can become large under the effect of pressure medium, by the pressure that medium transmits, the compensation to seal pressure can be realized, to realize self-energized seal effect, sealing effect is better;
(3). a kind of flange adopting self-energized seal packing ring of the present utility model, the both ends of the surface of seal washer and annular boss, all by the pressure that medium transmits, realize the compensation to seal pressure, contribute to enhanced leaktightness effect;
(4). a kind of flange adopting self-energized seal packing ring of the present utility model, reasonable in design, principle is simple, is convenient to promote the use of.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is a kind of flange entirety whole-cutaway view adopting self-energized seal packing ring of the present utility model;
Fig. 2 is a kind of flange upper flange whole-cutaway view adopting self-energized seal packing ring of the present utility model;
Fig. 3 is a kind of self-energized seal packing ring of the present utility model and the seal washer perspective view adopting sealing packing ring.
1. upper flanges, 2. lower flange, 3. bolt, 4. seal washer in figure, 11. annular grooves, 41. annular boss, 42. annular flow grooves.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As depicted in figs. 1 and 2, a kind of flange adopting self-energized seal packing ring described in the utility model, comprise upper flange 1, lower flange 2, bolt 3 and seal washer 4, described upper flange 1 and two surface of contact of lower flange 2 are provided with annular groove 11, and the cross section of annular groove 11 is rectangle, annular groove 11 is for matching with seal washer 4, described upper flange 1 is connected by bolt with between lower flange 2, and described seal washer 4 is between upper flange 1 and two surface of contact of lower flange 2.
As shown in figures 1 and 3, a kind of flange adopting self-energized seal packing ring described in the utility model, described seal washer 4 internal diameter and the through-hole diameter of upper flange 1 and lower flange 2 match, seal washer 4 external diameter 1 ~ 2mm more less slightly than the surface of contact external diameter of upper flange 1 and lower flange 2, and the upper and lower end face of seal washer 4 is provided with annular boss 41, annular boss 41 cross section is rectangle, and annular boss 41 matches with the annular groove 11 of upper flange 1 and lower flange 2, thus the seal washer 4 be positioned between upper flange 1 and lower flange 2 both ends of the surface is fixed, sliding phenomenon is there is when seal washer 4 can not be made to work, described seal washer 4 inwall is provided with annular flow groove 42, described annular flow groove 42 is the "T"-shaped of traverse in seal washer 4, and annular flow groove 42 one end is positioned at seal washer 4 inwall place, two ends extend in two annular boss 41 of seal washer 4 upper and lower end face respectively in addition, during work, liquid medium is by entering seal washer 4 by annular flow groove 42, annular flow groove 42 can become large under the effect of pressure medium, by the pressure that medium transmits, the compensation to seal pressure can be realized, to realize self-energized seal effect, simultaneously, the compensation that the both ends of the surface of seal washer 4 and a pair annular boss 41 will realize seal pressure simultaneously, sealing effect is better.Described seal washer 4 adopts rubber material, has certain elasticity.
Upper flange 1, lower flange 2 and seal washer 4 is installed by bolt 3, during use, it is inner that liquid medium enters seal washer 4 by the annular flow groove 42 in seal washer 4, annular flow groove 42 can become large under the effect of pressure medium, by the pressure that medium transmits, the compensation that the both ends of the surface of seal washer 4 and a pair annular boss 41 will realize seal pressure simultaneously, realizes the tight seal to flanged joint.
More than show and describe basic principle of the present utility model, major character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; description in above-described embodiment and specification principle of the present utility model is just described; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. one kind adopts the flange of self-energized seal packing ring, comprise upper flange (1), lower flange (2), bolt (3) and seal washer (4), it is characterized in that: described upper flange (1) and two surface of contact of lower flange (2) are provided with annular groove (11), and the cross section of annular groove (11) is rectangle, described upper flange (1) is connected by bolt with between lower flange (2), and described seal washer (4) is positioned between two surface of contact of upper flange (1) and lower flange (2).
2. a kind of flange adopting self-energized seal packing ring according to claim 1, it is characterized in that: described seal washer (4) internal diameter and the through-hole diameter of upper flange (1) and lower flange (2) match, seal washer (4) external diameter 1 ~ 2mm more less slightly than the surface of contact external diameter of upper flange (1) and lower flange (2), and the upper and lower end face of seal washer (4) is provided with annular boss (41), annular boss (41) cross section is rectangle, and annular boss (41) matches with the annular groove (11) of upper flange (1) and lower flange (2), described seal washer (4) inwall is provided with annular flow groove (42), described annular flow groove (42) is the "T"-shaped of traverse in seal washer (4), and annular flow groove (42) one end is positioned at seal washer (4) inwall place, two ends extend in two annular boss (41) of seal washer (4) upper and lower end face respectively in addition.
3. a kind of flange adopting self-energized seal packing ring according to claim 1, is characterized in that: described seal washer (4) adopts rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161403.4U CN204611156U (en) | 2015-03-20 | 2015-03-20 | A kind of flange adopting self-energized seal packing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161403.4U CN204611156U (en) | 2015-03-20 | 2015-03-20 | A kind of flange adopting self-energized seal packing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204611156U true CN204611156U (en) | 2015-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520161403.4U Expired - Fee Related CN204611156U (en) | 2015-03-20 | 2015-03-20 | A kind of flange adopting self-energized seal packing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204611156U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371029A (en) * | 2015-12-18 | 2016-03-02 | 镇江步云电子有限公司 | Flange structure |
| CN106739189A (en) * | 2016-11-17 | 2017-05-31 | 蓝色海洋（天津）工程技术有限公司 | The outer protection device and its processing method of a kind of pipeline or pile anticorrosive coat |
| CN107781548A (en) * | 2017-11-29 | 2018-03-09 | 无锡市华尔泰机械制造有限公司 | A kind of high pressure self-tightening flange flushed with internal diameter of the pipeline |
| CN108361379A (en) * | 2017-12-29 | 2018-08-03 | 中国船舶工业集团公司第七0八研究所 | A kind of non-round flange face cone type fluid seals technology of large size |
| CN112303361A (en) * | 2019-07-31 | 2021-02-02 | 四平巨元换热系统集成有限公司 | Reliability flange sealing structure for heat exchange unit piping |
| CN112664653A (en) * | 2021-01-05 | 2021-04-16 | 大庆油田有限责任公司 | Sealing gasket for high-pressure water injection flow valve |
| CN112963639A (en) * | 2021-04-19 | 2021-06-15 | 大连理工大学 | High low temperature high pressure flange connection interface flexible self-locking sealing device |
| CN114321534A (en) * | 2021-12-21 | 2022-04-12 | 南通亚龙消防器材有限公司 | Pipeline connection fire control interface for fire control |
| CN119196369A (en) * | 2024-09-20 | 2024-12-27 | 江苏荣元铸业有限公司 | A high-strength earthquake-resistant valve casting and a processing method thereof |
-
2015
- 2015-03-20 CN CN201520161403.4U patent/CN204611156U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371029A (en) * | 2015-12-18 | 2016-03-02 | 镇江步云电子有限公司 | Flange structure |
| CN106739189A (en) * | 2016-11-17 | 2017-05-31 | 蓝色海洋（天津）工程技术有限公司 | The outer protection device and its processing method of a kind of pipeline or pile anticorrosive coat |
| CN106739189B (en) * | 2016-11-17 | 2018-08-21 | 蓝色海洋（天津）工程技术有限公司 | The outer protective device and its processing method of a kind of pipeline or pile erosion resistant coating |
| CN107781548A (en) * | 2017-11-29 | 2018-03-09 | 无锡市华尔泰机械制造有限公司 | A kind of high pressure self-tightening flange flushed with internal diameter of the pipeline |
| CN107781548B (en) * | 2017-11-29 | 2023-10-31 | 无锡市华尔泰机械制造有限公司 | High-pressure self-tightening flange flush with inner diameter of pipeline |
| CN108361379A (en) * | 2017-12-29 | 2018-08-03 | 中国船舶工业集团公司第七0八研究所 | A kind of non-round flange face cone type fluid seals technology of large size |
| CN112303361A (en) * | 2019-07-31 | 2021-02-02 | 四平巨元换热系统集成有限公司 | Reliability flange sealing structure for heat exchange unit piping |
| CN112664653A (en) * | 2021-01-05 | 2021-04-16 | 大庆油田有限责任公司 | Sealing gasket for high-pressure water injection flow valve |
| CN112963639A (en) * | 2021-04-19 | 2021-06-15 | 大连理工大学 | High low temperature high pressure flange connection interface flexible self-locking sealing device |
| CN114321534A (en) * | 2021-12-21 | 2022-04-12 | 南通亚龙消防器材有限公司 | Pipeline connection fire control interface for fire control |
| CN119196369A (en) * | 2024-09-20 | 2024-12-27 | 江苏荣元铸业有限公司 | A high-strength earthquake-resistant valve casting and a processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150902 Termination date: 20160320 |