CN106678464B - A kind of seal for pipe joints connection structure - Google Patents
A kind of seal for pipe joints connection structure Download PDFInfo
- Publication number
- CN106678464B CN106678464B CN201710136929.0A CN201710136929A CN106678464B CN 106678464 B CN106678464 B CN 106678464B CN 201710136929 A CN201710136929 A CN 201710136929A CN 106678464 B CN106678464 B CN 106678464B
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- CN
- China
- Prior art keywords
- collar flange
- annular
- connecting pipe
- flange
- seal
- 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.)
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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
- F16L23/003—Auxiliary devices
-
- 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
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- 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
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
-
- 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
Abstract
The present invention relates to a kind of seal for pipe joints connection structures.It include the cyclic annular notch, the first collar flange on edge in the first connecting pipe end, the second connecting pipe head stretch out arc-shaped annular protrusion, the second collar flange and multigroup Elastic Bolts connector；Cyclic annular notch is corresponding with arc-shaped annular protrusion and shape matches；The middle part of first collar flange is equipped with annular recess；Annular recess side channel wall is to deviate axial first annular skew wall；The middle part of second collar flange is equipped with the third collar flange protruded to the second connecting pipe end face；Third collar flange and annular recess matching, and equipped with the second annular skew wall corresponding with the first annular skew wall；It is connected by multigroup Elastic Bolts connector axial tightening between the outer rim of first collar flange and the outer rim of the second collar flange.The seal for pipe joints connection structure can adaptively adjust pipeline axial direction when installing, sealing effect is good, when being destroyed, also have the characteristic of soft connection, while can also self- recoverage effect.
Description
Technical field
The present invention relates to a kind of seal for pipe joints connection structures.
Background technology
Present chemical industry connecting pipe is substantially through flanged joint, and flange is called ring flange or flange, and flange is to make
The part that pipe is connected with each other with pipe and with valve, is connected to pipe end.Flange is generally employed in pairs, and a pair of of flange passes through setting
Mutual corresponding mounting hole is connected pipeline across mounting hole by connectors such as bolts well.The crushing resistance of flange
It is the important indicator of gauge flange quality, while is also the guarantee for ensureing pipeline normal operation.Flanged joint is also one kind simultaneously
Rigid connection, once by external force, then can cause to reveal, there are many rigidly connected benefit, but its drawback is also apparent from.
Invention content
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of seal for pipe joints connections that can be convenient for people to use
Structure can complete self-adapting seal, while sealing effect is good, the sealed connection during the installation process using the connection structure
Structure has soft connection performance, can also have after the first connecting pipe and the second connecting pipe axle center line skew fine
Sealing effect.
The present invention is achieved through the following technical solutions：
A kind of seal for pipe joints connection structure, the pipeline include the first connecting pipe and the second connecting pipe；Connection structure
Including that the cyclic annular notch on edge, the first connecting pipe tail portion project radially outward in the first connecting pipe end is first cyclic annular convex
Edge, the second connecting pipe head stretch out arc-shaped annular protrusion, the second connecting pipe head project radially outward second
Collar flange and multigroup Elastic Bolts connector；
Cyclic annular notch is corresponding with arc-shaped annular protrusion and shape matches；
The middle part of the first collar flange between cyclic annular notch and the first collar flange outer rim is equipped with annular recess；It is cyclic annular
Groove at least side cell wall is to deviate axial first annular skew wall；
The middle part of the second collar flange between arc-shaped annular protrusion and the second collar flange outer rim, which is equipped with to second, to be connected
Connect the third collar flange of pipeline end face protrusion；Third collar flange and annular recess matching, and third collar flange is equipped with
The second annular skew wall corresponding with the first annular skew wall；
Between the outer rim of-the first collar flange and the outer rim of the second collar flange by multigroup Elastic Bolts connector shaft to
Tense connection
It is equipped with L-shaped annular seal washer between cyclic annular notch and arc-shaped annular protrusion.
Preferably, between the first collar flange and the second collar flange, there are gaps；Close to axial line in annular recess
Inside cell wall be to deviate axial first annular skew wall；Correspondingly, the madial wall of third collar flange is the second annular skew wall；
The axial dimension in the gap is more than the axial maximum cooperation stroke of third collar flange and annular recess；
Preferably, in gap between the first collar flange and the second collar flange, the second annular skew wall to circular arc
There are toroidal cavities between shape annular protrusion；Interference is filled with airtight and watertight padding in toroidal cavity.
Preferably, the installation gap communication seals filler between the ring-type notch and arc-shaped annular protrusion；It is corresponding
Ground, the L-shaped annular seal washer outer end connect the airtight and watertight padding in toroidal cavity.
Preferably, Elastic Bolts connector is made of spring, bolt and nut, the first collar flange and the second ring-type are convex
The outer edge of edge sets corresponding screw hole respectively, the screw hole on the first collar flange of screw bolt passes and the second collar flange, then
It is connect with nut, in bolt, elasticity is pressed between bolt head and the first collar flange, the second collar flange spring pocket.
Preferably, the central shaft between the first connecting pipe and the second connecting pipe can 0~8 degree of relative depature.
Preferably, Elastic Bolts connector quantity is no less than three groups, multiple Elastic Bolts connectors are regularly arranged.
Compared with existing flange, beneficial effects of the present invention are as follows：
As soon as, when mounted, can adaptively find installation position, be not easy that dress is inclined, and sealing effect is good.
Two, since adaptive effect is good, after collision distorts, good sealing effect is not only still kept, but also
It is easy to restore, you can under the premise of ensureing leakproofness again, reache a certain level interior bending, can still keep leakproofness.
Description of the drawings
Fig. 1：For sectional structure chart of the present invention.
Specific implementation mode
The invention is further explained in the following combination with the attached drawings of the specification.
A kind of seal for pipe joints connection structure as shown in Figure 1, the pipeline of the connection structure include the first connecting pipe 1 and the
Two connecting pipes 2, meanwhile, connection structure includes the cyclic annular notch 13 on edge in 1 end of the first connecting pipe, the first connecting pipe 1
The arc-shaped annular protrusion 23, second of the first collar flange 12, the stretching of 2 head of the second connecting pipe that tail portion projects radially outward
The second collar flange 22 and multigroup Elastic Bolts connector that the head of connecting pipe 2 projects radially outward.Wherein：
Cyclic annular notch 13 is corresponding with arc-shaped annular protrusion 23 and shape matches.Cyclic annular notch 13 and the first collar flange
The middle part of the first collar flange 12 between 12 outer rims is equipped with annular recess 11.At least side cell wall of annular recess 11 is off-axis
To first annular skew wall.In the second collar flange 22 between 22 outer rim of arc-shaped annular protrusion 23 and the second collar flange
Portion is equipped with the third collar flange 21 protruded to 2 end face of the second connecting pipe.Third collar flange 21 and annular recess 11 match,
And third collar flange 21 is equipped with the second annular skew wall corresponding with above-mentioned first annular skew wall.Outside first collar flange 12
It is connected by multigroup Elastic Bolts connector axial tightening between edge and the outer rim of the second collar flange 22, cyclic annular notch 13 and circle
L-shaped annular seal washer is equipped between arcuate annular protrusion 23.When mounted, multigroup Elastic Bolts connector axial tightening connection
When, first annular skew wall and the second annular skew wall adaptively coordinate centering, along with Elastic Bolts connector has elasticity, because
This installation is very convenient, just there is good adaptive effect when installation is complete.12 and second ring of above-mentioned first collar flange
There are gaps between shape flange 22.And the inside cell wall of close axial line is the first annular oblique of deviation axial direction in annular recess 11
Wall；Correspondingly, the madial wall of third collar flange 21 is the second annular skew wall.It is cyclic annular that the axial dimension in above-mentioned gap is more than third
The axial maximum cooperation stroke of flange 21 and annular recess 11.When adaptive back axis is completely the same, with multigroup elastic spiral shell
Fitting axial tightening is tethered, the meeting range of third collar flange 21 is placed in annular recess 11, and third collar flange 21 is set completely
After entering, because gap axial spacing is more than axial maximum cooperation stroke.Therefore, the first collar flange 12 and the second collar flange
Centainly there are gaps between 22, accordingly even when sealing is complete not yet, it can also be by adding peaceful Elastic Bolts connector so that the
There is deformation space, this structure to be different from flange for one collar flange 12 and the second collar flange 22.
In order to have preferably sealing effect, in the gap between the first collar flange 12 and the second collar flange 22,
Second annular skew wall between arc-shaped annular protrusion 23 there are toroidal cavity, in toroidal cavity interference be filled with airtight and watertight padding 6.
Because the second annular skew wall and 11 madial wall of annular recess are oblique cooperations, toroidal cavity here can be with the first collar flange
12 and the second gap between collar flange 22 become smaller, toroidal cavity becomes smaller therewith, and compressing airtight and watertight padding 6 makes its interference, reaches
Good sealing effect.
Central shaft 7,71 between first connecting pipe 1 and the second connecting pipe 2 can 0~8 degree of relative depature, above-mentioned ring-type
The receiving size of groove 11 is more than 21 front of third collar flange, makes it have deviation possibility, prevents from destroying firmly.
Further, the installation gap communication seals filler 6 between above-mentioned cyclic annular notch 13 and arc-shaped annular protrusion 23.
Accordingly, the airtight and watertight padding 6 in above-mentioned L-shaped annular seal washer outer end connection toroidal cavity.
Above-mentioned Elastic Bolts connector is made of spring 4, bolt 3 and nut 31, and the first collar flange 12 and second is cyclic annular
The outer edge of flange 22 sets corresponding screw hole respectively, and bolt 3 sequentially passes through on the first collar flange 12 and the second collar flange 22
Screw hole, then connect with nut 31, spring 4 is sleeved in bolt 3, and elasticity is pressed in 3 head of bolt and the first collar flange 12, second
Between collar flange 22.Elastic Bolts connector quantity is no less than three groups, and multiple Elastic Bolts connectors are regularly arranged.
Installation method：First, L-shaped annular seal ring 13 is put into cyclic annular notch 13, airtight and watertight padding 6 is then put into
Between three collar flanges 21 and arc-shaped annular protrusion 23, Elastic Bolts connector is sequentially arranged at 12 He of the first collar flange
On second collar flange 22, the first connecting pipe 1 and 2 slow axial tightening of the second connecting pipe are connected, it finally, will
Bolt 3 is tightened, in rundown process, 22 gap shrinks of the first collar flange 12 and the second collar flange, and the first connecting pipe 1 and
The axle center of two connecting pipes 2 is adaptively unanimously got up, meanwhile, airtight and watertight padding 6 is also compacted, it is made to be tightly connected.
Above-mentioned above is only not to be defined to the scope of the present invention to presently preferred embodiments of the present invention, therefore do not taking off
Under the premise of design spirit of the present invention, this field ordinary engineering and technical personnel structure, feature and principle above-mentioned to the present invention
The equivalence changes or decoration made, should all fall into the protection domain of the present patent application patent.
Claims (4)
1. a kind of seal for pipe joints connection structure, the pipeline includes the first connecting pipe（1）With the second connecting pipe（2）；It is special
Sign is：Connection structure includes the first connecting pipe（1）The cyclic annular notch on edge in end（13）, the first connecting pipe（1）Tail portion
The first collar flange projected radially outward（12）, the second connecting pipe（2）The arc-shaped annular protrusion that head is stretched out（23）,
Two connecting pipes（2）The second collar flange for projecting radially outward of head（22）With multigroup Elastic Bolts connector；
Cyclic annular notch（13）With arc-shaped annular protrusion（23）Corresponding and shape matches；
Cyclic annular notch（13）With the first collar flange（12）The first collar flange between outer rim（12）Middle part be equipped with it is cyclic annular recessed
Slot（11）；Annular recess（11）At least side cell wall is to deviate axial first annular skew wall；
Arc-shaped annular protrusion（23）With the second collar flange（22）The second collar flange between outer rim（22）Middle part be equipped with
To the second connecting pipe（2）The third collar flange of end face protrusion（21）；Third collar flange（21）And annular recess（11）
Match, and third collar flange（21）It is equipped with the second annular skew wall corresponding with the first annular skew wall；
- the first collar flange（12）Outer rim and the second collar flange（22）Outer rim between pass through multigroup Elastic Bolts connector
Axial tightening connects；
Cyclic annular notch（13）With arc-shaped annular protrusion（23）Between be equipped with L-shaped annular seal washer；
In the first collar flange（12）With the second collar flange（22）Between gap in, the second annular skew wall to arc-shaped ring
Shape protrusion（23）Between there are toroidal cavities；Interference is filled with airtight and watertight padding in toroidal cavity；
The ring-type notch（13）With arc-shaped annular protrusion（23）Between installation gap communication seals filler；Accordingly, institute
State the airtight and watertight padding in L-shaped annular seal washer outer end connection toroidal cavity；
First connecting pipe（1）With the second connecting pipe（2）Between central shaft（7）It can 0 ~ 8 degree of relative depature.
2. a kind of seal for pipe joints connection structure according to claim 1, it is characterised in that：
- the first collar flange（12）With the second collar flange（22）Between there are gaps；
Annular recess（11）In close to the inside cell wall of axial line be to deviate axial first annular skew wall；Correspondingly, third ring
Shape flange（21）Madial wall be the second annular skew wall；The axial dimension in the gap is more than third collar flange（21）And ring-type
Groove（11）Axial maximum cooperation stroke.
3. a kind of seal for pipe joints connection structure according to claim 1, it is characterised in that：
Elastic Bolts connector is by spring（4）, bolt（3）And nut（31）Composition, the first collar flange（12）With the second ring-type
Flange（22）Outer edge set corresponding screw hole, bolt respectively（3）Sequentially pass through the first collar flange（12）It is cyclic annular convex with second
Edge（22）On screw hole, then with nut（31）Connection, spring（4）It is sleeved on bolt（3）Interior, elasticity is pressed in bolt（3）Head and the
One collar flange（12）, the second collar flange（22）Between.
4. a kind of seal for pipe joints connection structure according to claim 3, it is characterised in that：
Elastic Bolts connector quantity is no less than three groups, and multiple Elastic Bolts connectors are regularly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136929.0A CN106678464B (en) | 2017-03-09 | 2017-03-09 | A kind of seal for pipe joints connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136929.0A CN106678464B (en) | 2017-03-09 | 2017-03-09 | A kind of seal for pipe joints connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106678464A CN106678464A (en) | 2017-05-17 |
| CN106678464B true CN106678464B (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710136929.0A Active CN106678464B (en) | 2017-03-09 | 2017-03-09 | A kind of seal for pipe joints connection structure |
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| Country | Link |
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| CN (1) | CN106678464B (en) |
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| CN109666971B (en) * | 2017-10-16 | 2020-11-10 | 北京北方华创微电子装备有限公司 | Growth furnace |
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| CN108709033A (en) * | 2018-08-06 | 2018-10-26 | 常州奥特斯丹智能装备科技有限公司 | Pipe flange |
| CN109826287B (en) * | 2019-03-05 | 2021-05-28 | 瑞安市如果建材有限公司 | Sewer pipe connecting structure for building construction |
| CN111255963A (en) * | 2020-01-15 | 2020-06-09 | 湖北气佬板节能技术有限公司 | Air compressor machine is with preventing leaking adapting unit |
| CN111645032B (en) * | 2020-06-17 | 2022-01-21 | 广州市桃园建材有限公司 | Butt joint equipment for metal thin-wall air pipe in smoke-discharging environment-friendly building engineering and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202019A (en) * | 1987-03-13 | 1988-09-14 | Major Edward Athelstan Halford | Flanged pipe couplings |
| CN202769158U (en) * | 2012-08-31 | 2013-03-06 | 江苏晨光波纹管有限公司 | Wear-resistant and corrosion-resistant high pressure rotating compensator |
| CN204127527U (en) * | 2014-10-20 | 2015-01-28 | 中国核动力研究设计院 | A kind of flange sealing structure |
| CN104344117A (en) * | 2013-08-10 | 2015-02-11 | 江苏科茵格特种沥青有限公司 | Connecting flange for asphalt pipelines |
| EP2876342A2 (en) * | 2013-10-17 | 2015-05-27 | Witzenmann GmbH | Connection with a corrugated hose line element |
| CN104696631A (en) * | 2013-12-06 | 2015-06-10 | 大连愚人设计有限公司 | Sealing flange capable of bearing complex torsion |
| CN206831002U (en) * | 2017-03-09 | 2018-01-02 | 金华市唯创机械技术研发有限公司 | Seal for pipe joints attachment structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100657178B1 (en) * | 2006-08-31 | 2006-12-15 | 주식회사 도화종합기술공사 | Water supply pipe fixing unit |
-
2017
- 2017-03-09 CN CN201710136929.0A patent/CN106678464B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202019A (en) * | 1987-03-13 | 1988-09-14 | Major Edward Athelstan Halford | Flanged pipe couplings |
| CN202769158U (en) * | 2012-08-31 | 2013-03-06 | 江苏晨光波纹管有限公司 | Wear-resistant and corrosion-resistant high pressure rotating compensator |
| CN104344117A (en) * | 2013-08-10 | 2015-02-11 | 江苏科茵格特种沥青有限公司 | Connecting flange for asphalt pipelines |
| EP2876342A2 (en) * | 2013-10-17 | 2015-05-27 | Witzenmann GmbH | Connection with a corrugated hose line element |
| CN104696631A (en) * | 2013-12-06 | 2015-06-10 | 大连愚人设计有限公司 | Sealing flange capable of bearing complex torsion |
| CN204127527U (en) * | 2014-10-20 | 2015-01-28 | 中国核动力研究设计院 | A kind of flange sealing structure |
| CN206831002U (en) * | 2017-03-09 | 2018-01-02 | 金华市唯创机械技术研发有限公司 | Seal for pipe joints attachment structure |
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| Publication number | Publication date |
|---|---|
| CN106678464A (en) | 2017-05-17 |
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Effective date of registration: 20200902 Address after: 210000 138 times Avenue, Liuhe Economic Development Zone, Nanjing, Jiangsu. Patentee after: Jiangsu Langbo pipe fittings manufacturing Co.,Ltd. Address before: 321000 Zhejiang Province, Jinhua city Wucheng District Xianghua Street No. 418 building three Room 302 Patentee before: JINHUA WEICHUANG MACHINERY TECHNOLOGY RESEARCH AND DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20200911 Address after: 210000 138 times Avenue, Liuhe Economic Development Zone, Nanjing, Jiangsu. Patentee after: JIANGSU LANGBOONE PIPELINE MANUFACTURING Co.,Ltd. Address before: 210000 138 times Avenue, Liuhe Economic Development Zone, Nanjing, Jiangsu. Patentee before: Jiangsu Langbo pipe fittings manufacturing Co.,Ltd. |