CN201297462Y - A soft metal sealing structure for pipeline connection - Google Patents
A soft metal sealing structure for pipeline connection Download PDFInfo
- Publication number
- CN201297462Y CN201297462Y CNU2008202221935U CN200820222193U CN201297462Y CN 201297462 Y CN201297462 Y CN 201297462Y CN U2008202221935 U CNU2008202221935 U CN U2008202221935U CN 200820222193 U CN200820222193 U CN 200820222193U CN 201297462 Y CN201297462 Y CN 201297462Y
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- China
- Prior art keywords
- female fitting
- convex joint
- joint
- guide section
- soft metal
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a soft metal sealing structure for pipeline connection, which overcomes the shortcomings of the prior sealing structure such as poor reliability, bad anti-vibration performance, and narrow application range. The soft metal sealing structure includes a circular ring sealing gasket , a convex joint provided with a convex joint through-hole, a concave joint provided with a concave joint through-hole and a cap nut provided with center through-hole, wherein, the convex joint includes a convex joint external connection segment provided at the out wall of the convex joint through-hole, prepared side, shoulder-block, a convex joint large radial guide segment, a convex joint minor diameter guide segment and a convex joint sealing face provided between the convex joint large radial guide segment and the convex joint minor diameter guide segment; the concave joint includes a concave joint outside screw provided on the out wall of the concave joint through-hole, the concave joint nut and a concave joint external connection segment. The utility model has advantages of high reliability, good vibration resistance, and a wide range of application.
Description
Technical field
The utility model relates to a kind of sealing configuration, relates in particular to a kind of sealing configuration that pipeline connects that is used for.
Background technique
It is the requisite constituent element of industrial field that pipeline connects sealing.The medium-small diameter pipeline connects general " bulb horn mouth " sealing configuration or the O-ring seal structure that adopt.But " bulb horn mouth " structure has antivibration to loosen scarce capacity, repeatedly use problems such as easy damaged sealing surface; The O-ring seal structure using scope is narrow, can only be used for pipeline good with rubber compatibility, the normal temperature medium.
Summary of the invention
The utility model purpose is to overcome existing sealing configuration poor reliability, vibration resistance is poor, application area is narrow shortcoming, a kind of high reliability is provided, has the soft metal sealing configuration that pipeline connects that is used for of good vibration resistance, applied range.
Technical solution of the present utility model is:
A kind of soft metal sealing configuration that is used for the pipeline connection, it is characterized in that: the cap nut 4 that it comprises annular seal pad 2, is provided with the convex joint 1 of convex joint through hole 10, is provided with the female fitting 3 of female fitting through hole 30 and is provided with central through bore 40, described convex joint 1 comprise external section 11 of convex joint setting gradually from right to left on the convex joint through hole outer wall, be equipped with side 12, shoulder block 13, the big footpath of convex joint guide section 14, convex joint path guide section 17 and be arranged on convex joint sealing surface 15 between the big footpath of convex joint guide section 14 and the convex joint path guide section 17; Described female fitting 3 comprises external section 31 of the female fitting outside thread 33, female fitting nut 22, the female fitting that set gradually from right to left on the female fitting through hole outer wall, and described female fitting 3 comprises that also setting is successively set on the big footpath of female fitting guide section 34, the female fitting path guide section 37 on the female fitting through hole 30 right-hand member inwalls from left to right and is arranged on female fitting sealing surface 35 between the big footpath of female fitting guide section 34 and the female fitting path guide section 37; Described sealing gasket 2 is arranged between convex joint sealing surface 15 and the female fitting sealing surface 35, and the diameter of the big footpath of its external diameter and female fitting guide section 34 is suitable, and the diameter of the big footpath of its internal diameter and convex joint guide section 14 is suitable; Described cap nut 4 comprises cap nut internal thread 41, shoulder groove 42 and the baffle ring 43 that is successively set on from right to left on central through bore 40 inwalls; Described cap nut internal thread 41 is suitable with the female fitting outside thread; The external diameter of described shoulder block is littler than the internal diameter of cap nut internal thread 41, bigger than the internal diameter of baffle ring 43.
Above-mentioned convex joint sealing surface 15 is provided with the convex joint seal groove 16 of annular.
Above-mentioned female fitting sealing surface 35 is provided with the female fitting seal groove 36 of annular.
Above-mentioned cap nut 4 comprises from the cap nut outer surface and radially connecting to the airtight inspection leak detection of shoulder groove 42 internal surfaces mouthfuls 5.
Above-mentioned sealing gasket 2 is the soft metal sealing gasket.
Advantage of the present utility model:
1, owing to the convex joint of soft metal sealing, the guide section that all there are two different-diameters in the female fitting two ends, in the assembling of " bulb horn mouth " sealing configuration, be difficult for producing deflection, the resistance to shock that assembles after finishing is better, seals more reliable.
2, the utility model using scope is wide, can be used for working pressure be not more than 60MPa, temperature in-190 ℃～+ 400 ℃ scopes, the line seal of inside nominal diameter in 4mm～32mm scope.
3, " bulb horn mouth " structure sealability in repeatedly assembling, decomposing descends, and the utility model can repeatedly assemble, and sealing gasket is changed in each assembling, can not influence sealability.
4, the utility model is lower to the machining accuracy requirement of SEALING FITTING than " bulb horn mouth ".
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model female fitting;
Fig. 3 is the structural representation of the utility model gasket seal;
Fig. 4 is the structural representation of convex joint of the present utility model;
Fig. 5 is the structural representation of cap nut of the present utility model;
Fig. 6 schematic representation that to be cap nut of the present utility model decompose with convex joint and female fitting;
Wherein: 1-convex joint, 10-convex joint through hole, external section of 11-convex joint, 12-is equipped with side, 13-shoulder block, the big footpath of 14-convex joint guide section, 15-convex joint sealing surface, 16-convex joint seal groove, 17-convex joint path guide section, the 2-sealing gasket, 3-female fitting, 30-female fitting through hole, external section of 31-female fitting, 32-female fitting nut, 33-female fitting outside thread, the big footpath of 34-female fitting guide section, 35-female fitting sealing surface, 36-female fitting seal groove, 37-female fitting path guide section, the 4-cap nut, 40-central through bore, 41-cap nut internal thread, the 42-shoulder groove, the 43-baffle ring, the airtight inspection leak detection of 5-mouth, 6-spanner.
Embodiment
Fig. 1 is a structural representation of the present utility model, form by convex joint 1, sealing gasket 2, female fitting 3, cap nut 4, should at first sealing gasket 2 be put into female fitting big footpath guide section during assembling or be inserted on the guide section of the big footpath of convex joint, sealing gasket should be pressed close to sealing surface; Then convex joint 1 is inserted in the female fitting 3, guarantee that the sealing surface of sealing gasket 2 and convex joint 1 and female fitting is fitted; Then cap nut 4 is screwed in female fitting 3, tighten cap nut according to screw-down torque and guarantee sealing.
The structure of convex joint as shown in Figure 2, convex joint big footpath guide section and convex joint path guide section are two cylndrical surface, can prevent to produce the assembling deflection during assembling, have improved the resistance to shock of soft metal sealing configuration simultaneously; The convex joint sealing surface is main sealing surface, and the convex joint seal groove is a circular groove, and slot cross-section is shaped as " V " font; Sectional drawing A-A is depicted as being equipped with just of being used on the convex joint assemble and decompose; The material of convex joint can be selected high-strength steel, stainless steel, refractory alloy etc. according to pressure medium, temperature and compatibility.
As shown in Figure 3, gasket structure is a ring, can select copper or aluminium according to pressure medium, temperature and compatibility.
The structure of female fitting as shown in Figure 4, female fitting big footpath guide section and female fitting path guide section are two cylndrical surface, can prevent to produce the assembling deflection during assembling, have improved the resistance to shock of soft metal sealing configuration simultaneously; The female fitting sealing surface is main sealing surface, and the female fitting seal groove is a circular groove, and slot cross-section is shaped as " V " font; The material of female fitting can be selected high-strength steel, stainless steel, refractory alloy etc. according to pressure medium, temperature and compatibility.
The structure of cap nut has custom-designed airtight inspection leak detection mouth as shown in Figure 5 on the cap nut.
The decomposition method of the utility model soft metal sealing configuration is as shown in Figure 6: unscrew cap nut, block the side that is equipped with of convex joint with spanner 6 in loosening process, after cap nut is loosening, continues to twist cap nut and convex joint is ejected next from female fitting.
The utility model belongs to forced seal, is that outer cover nut provides enough pretightening forces that the soft metal sealing configuration is connect, compresses; The small rough and uneven in surface of seal groove in convex joint, the female fitting and joint sealing face filled up in this moment soft metal sealing gasket generation elasticity and plastic deformation, makes medium pass through the pressure reduction of the resistance of sealing surface greater than the sealing surface both sides, reaches sealing effect.
Claims (5)
1, a kind of soft metal sealing configuration that is used for the pipeline connection, it is characterized in that: it comprises annular seal pad (2), be provided with the convex joint (1) of convex joint through hole (10), the cap nut (4) that is provided with the female fitting (3) of female fitting through hole (30) and is provided with central through bore (40), described convex joint (1) comprise external section of the convex joint (11) that sets gradually from right to left on the convex joint through hole outer wall, be equipped with side (12), shoulder block (13), the big footpath of convex joint guide section (14), convex joint path guide section (17) and be arranged on the big footpath of convex joint guide section (14) and convex joint path guide section (17) between convex joint sealing surface (15); Described female fitting (3) comprises female fitting outside thread (33), female fitting nut (22), external section of the female fitting (31) that sets gradually from right to left on the female fitting through hole outer wall, described female fitting (3) also comprise setting be successively set on the big footpath of female fitting guide section (34), the female fitting path guide section (37) on female fitting through hole (30) the right-hand member inwall from left to right and be arranged on the big footpath of female fitting guide section (34) and female fitting path guide section (37) between female fitting sealing surface (35); Described sealing gasket (2) is arranged between convex joint sealing surface (15) and the female fitting sealing surface (35), and the diameter of the big footpath of its external diameter and female fitting guide section (34) is suitable, and the diameter of the big footpath of its internal diameter and convex joint guide section (14) is suitable; Described cap nut (4) comprises cap nut internal thread (41), shoulder groove (42) and the baffle ring (43) that is successively set on from right to left on central through bore (40) inwall; Described cap nut internal thread (41) is suitable with the female fitting outside thread; The external diameter of described shoulder block is littler than the internal diameter of cap nut internal thread (41), bigger than the internal diameter of baffle ring (43).
2, the soft metal sealing configuration that is used for the pipeline connection according to claim 1, it is characterized in that: described convex joint sealing surface (15) is provided with the convex joint seal groove (16) of annular.
3, the soft metal sealing configuration that is used for the pipeline connection according to claim 1 and 2, it is characterized in that: described female fitting sealing surface (35) is provided with the female fitting seal groove (36) of annular.
4, according to claim 3ly be used for the soft metal sealing configuration that pipeline connects, it is characterized in that: described cap nut (4) comprises from the cap nut outer surface and radially connects airtight inspection leak detection mouthful (5) to shoulder groove (42) internal surface.
5, the soft metal sealing configuration that is used for the pipeline connection according to claim 4, it is characterized in that: described sealing gasket (2) is the soft metal sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202221935U CN201297462Y (en) | 2008-10-30 | 2008-10-30 | A soft metal sealing structure for pipeline connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202221935U CN201297462Y (en) | 2008-10-30 | 2008-10-30 | A soft metal sealing structure for pipeline connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201297462Y true CN201297462Y (en) | 2009-08-26 |
Family
ID=41043442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202221935U Expired - Fee Related CN201297462Y (en) | 2008-10-30 | 2008-10-30 | A soft metal sealing structure for pipeline connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201297462Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672232A (en) * | 2013-12-23 | 2014-03-26 | 安徽合一电气科技有限公司 | Special-shaped water nozzle converter structure |
| CN103759005A (en) * | 2013-12-18 | 2014-04-30 | 中国航天科技集团公司第六研究院第十一研究所 | Static seal structure of dish-shaped ring |
| CN104105915A (en) * | 2012-03-23 | 2014-10-15 | 西德尔合作公司 | Fluid dispenser provided with a series of peripheral connectors |
| CN104141840A (en) * | 2014-08-05 | 2014-11-12 | 李志勇 | Novel pure-metal seal joint structure |
| CN105840627A (en) * | 2016-04-26 | 2016-08-10 | 苏州昭沃五金科技有限公司 | Nesting cap nut |
| CN107289208A (en) * | 2017-06-07 | 2017-10-24 | 上海空间推进研究所 | Small-bore gas/fluid path pressure measurement adapter coupling |
| CN109764197A (en) * | 2019-02-19 | 2019-05-17 | 北京星际荣耀空间科技有限公司 | A kind of pipeline jointing construction and pipe-line system |
| CN109973729A (en) * | 2019-04-11 | 2019-07-05 | 钜溢钢管实业有限公司 | A kind of compressed natural gas steam line |
-
2008
- 2008-10-30 CN CNU2008202221935U patent/CN201297462Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105915A (en) * | 2012-03-23 | 2014-10-15 | 西德尔合作公司 | Fluid dispenser provided with a series of peripheral connectors |
| CN103759005A (en) * | 2013-12-18 | 2014-04-30 | 中国航天科技集团公司第六研究院第十一研究所 | Static seal structure of dish-shaped ring |
| CN103672232A (en) * | 2013-12-23 | 2014-03-26 | 安徽合一电气科技有限公司 | Special-shaped water nozzle converter structure |
| CN104141840A (en) * | 2014-08-05 | 2014-11-12 | 李志勇 | Novel pure-metal seal joint structure |
| CN105840627A (en) * | 2016-04-26 | 2016-08-10 | 苏州昭沃五金科技有限公司 | Nesting cap nut |
| CN107289208A (en) * | 2017-06-07 | 2017-10-24 | 上海空间推进研究所 | Small-bore gas/fluid path pressure measurement adapter coupling |
| CN109764197A (en) * | 2019-02-19 | 2019-05-17 | 北京星际荣耀空间科技有限公司 | A kind of pipeline jointing construction and pipe-line system |
| CN109973729A (en) * | 2019-04-11 | 2019-07-05 | 钜溢钢管实业有限公司 | A kind of compressed natural gas steam line |
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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: 20090826 Termination date: 20131030 |