CN207246615U - A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment device - Google Patents
A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment device Download PDFInfo
- Publication number
- CN207246615U CN207246615U CN201720562719.3U CN201720562719U CN207246615U CN 207246615 U CN207246615 U CN 207246615U CN 201720562719 U CN201720562719 U CN 201720562719U CN 207246615 U CN207246615 U CN 207246615U
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- China
- Prior art keywords
- section
- circle
- attachment device
- radial direction
- conveyance conduit
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- 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
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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
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
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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
- F16L23/024—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
- F16L23/16—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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
It the utility model is related to technical field of pipeline connection, refer in particular to a kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment device, including first set section, second set of section and sealing ring, and for connecting the cutting ferrule of the first set section and second set of section, the cutting ferrule is connected by connector and fastened, the sealing ring includes reference circle, and is looped around the outer peripheral surface of the reference circle and along the radial direction circle that sets of radial direction of the reference circle, the radial direction circle is equipped with locating piece；The groove of annular is equipped with the inner surface of one end that two set sections are connected with each other, their end face is equipped with location hole at the same time, the reference circle is in the groove of two set sections, and the radial direction circle is between the end face of two set sections, and the locating piece is located in the location hole.The utility model has self-tightening effect, the advantages of can reaching enhancing sealing performance, reduce bolt pretightening, extend attachment device service life.
Description
Technical field
Technical field of pipeline connection is the utility model is related to, a kind of Mechanical Autofrettage formula fluid foods conveyance conduit is referred in particular to and connects
Connection device.
Background technology
Pipeline is the essential infrastructure of industrial production, and the peace that the connecting portion of pipeline is conveyed for fluid foods
Full property plays an important roll.Flange is exactly to be applied in department's pipe-line system attachment devices such as machinery, oil, chemical industry, water conservancy, electric power
A kind of most commonly used conduit coupling, it usually and gasket, is bolted and collectively constitutes a sealing system.Conventional flange is close
Envelope can bear larger moment of flexure in itself by being threadedly coupled tension, flange, and the internal pressure of medium will make sealing in pipeline during operation with pressure
Line relaxes along axis, so as to reduce the sealing performance of flange and gasket.Mounting flange, to ensure its sealing performance, pacifies increasing
The pretightning force of bolt during dress.Increase in manifold pressure, flange will bear bigger bending moment, and obdurability reduces, and causes flange ruler
Very little increasing, particularly in the conveyance conduit of the specialized fluids such as high temperature and pressure, safety of the assembling pipe joint for fluid foods
Conveying is particularly important.Therefore, the structure of assembling pipe joint is improved by innovating, to improving the specialized fluids such as high temperature and pressure
The reliability and service life of conveyance conduit attachment device are of great significance.
Utility model content
The purpose of this utility model is to propose a kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment device, has self-tightening
Effect, can reach enhancing sealing performance, the advantages of reducing bolt pretightening, extend attachment device service life.
In order to achieve the above object, the technical solution adopted in the utility model is as follows：A kind of Mechanical Autofrettage formula fluid foods
Conveyance conduit attachment device, including first set section and second set of section, the sealing ring between first set section and second set of section, institute
The outside for stating first set section and second set of section is equipped with the cutting ferrule for being used for connecting the first set section and second set of section, and the cutting ferrule leads to
Cross connector connection fastening, it is characterised in that the sealing ring includes reference circle, and is looped around the outer ring table of the reference circle
Face and along the radial direction circle that sets of radial direction of the reference circle, the radial direction circle is equipped with locating piece；The first set section and second
One be connected with each other at the inner surface of one end that set section is connected with each other equipped with annular groove, the first set section and second set of section
The end face at end is equipped with location hole, and the reference circle is located in the groove of first set section and second set of section, and the radial direction circle is located at
Between the end face of one end that the first set section and second set of section are connected with each other, and the locating piece is located at the location hole
It is interior.
According to above scheme, the inner surface of the groove is inclined-plane, and the outer peripheral surface of the reference circle is inclined-plane, so that institute
The inner surface of the outer peripheral surface and the groove of stating reference circle is in close contact.
According to above scheme, the locating piece includes the flange positioned at two opposite flanks of the radial direction circle, described convex
Edge is respectively clamped into the location hole on the first set section and second set of section end face.
According to above scheme, the flange was set along the radial direction circle circumferentially around one week, and the location hole is described in
First set section and second set section circumferentially around one week setting.
According to above scheme, the cross sectional shape of the flange is trapezoidal, and the cross sectional shape of the location hole is trapezoidal.
According to above scheme, the radial dimension of the flange is less than the radial dimension of the location hole.
According to above scheme, the sealing ring is made by metal material.
According to above scheme, the inner surface of the cutting ferrule is equipped with the connecting pin of card hole, the first set section and second set of section
Flange is equipped with, the card hole is set on the flange of the first set section and second set of section.
The utility model is made by the combined structure of the radial direction circle that sealing ring is designed to axial reference circle and normal direction
Sealing ring has the form that section is T-shaped, and after being installed between two set sections, reference circle can be mounted between two set sections
In groove, reference circle is set to be closed the joint gap between two set sections, while radially connection of the circle positioned at two set sections
Between end face, radially circle is coordinated using the location hole on locating piece and two set sections and positioned.After the structure connecting pipe, pipe
The pressure of liquid presses to reference circle in road, reference circle is caved in into groove, is connected more between such reference circle and two set sections
Closely, reach self-tightening effect, lift the sealing performance between two set sections；In addition, radially circle is clamped in centre by two set sections,
The connection sealing between two set sections can be further lifted, and by the cooperation of locating piece and location hole, makes sealing
Circle remains the cooperation position initially installed, and avoids sealed ring deformation that position offset occurs and influences leakproofness.This practicality is new
The specially designed Hermetical connecting structure of type, has that leakproofness is strong, easy to operate, is hardly damaged, the advantages of service life is long.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the part-structure cut-away view of the utility model.
In figure：1st, first set section；2nd, second set of section；3rd, sealing ring；4th, cutting ferrule；5th, connector；6th, reference circle；7th, radially
Circle；8th, locating piece；9th, groove；10th, location hole；11st, card hole；12nd, flange.
Embodiment
The technical solution of the utility model is illustrated with embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of Mechanical Autofrettage formula fluid foods conveyance conduit connection dress described in the utility model
Put, including first set section 1 and second set of section 2, the sealing ring 3 between first set section 1 and second set of section 2, the first set
The outside of section 1 and second set of section 2 is equipped with the cutting ferrule 4 for being used for connecting the first set section 1 and second set of section 2, and the cutting ferrule 4 passes through
The connection fastening of connector 5, the sealing ring 3 includes reference circle 6, and is looped around the outer peripheral surface of the reference circle 6 and along institute
The radial direction circle 7 that the radial direction of reference circle 6 is set is stated, the radial direction circle 7 is equipped with locating piece 8；The first set section 1 and second set of section
The groove 9 of annular is equipped with the inner surface of 2 one end being connected with each other, the first set section 1 and second set save the one of 2 interconnections
The end face at end is equipped with location hole 10, and the reference circle 6 is located in the groove 9 of first set section 1 and second set of section 2, the radial direction
Circle 7 is between the end face of one end that the first set section 1 and second set of section 2 are connected with each other, and the locating piece 8 is located at institute
State in location hole 10.The utility model is combined by the radial direction circle 7 that sealing ring 3 is designed to axial reference circle 6 and normal direction
Structure, make sealing ring 3 have section be T-shaped form, be installed to two set section between after, reference circle 6 can be mounted to two
In groove 9 between a set section, reference circle 6 is set to be closed the joint gap between two set sections, while radially circle 7 is located at
Between the connecting end surface of two set sections, radially circle 7 is coordinated using the location hole 10 on locating piece 8 and two set sections and positioned.Pass through
After the structure connecting pipe, the pressure of liquid presses to reference circle 6 in pipeline, reference circle 6 is caved in into groove 9, so basic
Connected more closely between circle 6 and two set sections, reach self-tightening effect, lift the sealing performance between two set sections；In addition, radially
Circle 7 is clamped in centre by two set sections, can further lift the connection sealing between two set sections, and pass through positioning
The cooperation of part 8 and location hole 10, makes sealing ring 3 remain the cooperation position initially installed, and avoids the deformation of sealing ring 3 that position occurs
Put offset and influence leakproofness.The specially designed Hermetical connecting structure of the utility model, it is strong with leakproofness, it is easy to operate, no
It is fragile, the advantages of service life is long.
As shown in Fig. 2, the inner surface of the groove 9 is inclined-plane, the outer peripheral surface of the reference circle 6 is inclined-plane, so that institute
The inner surface of the outer peripheral surface and the groove of stating reference circle 6 is in close contact, under the pressure of internal flow, in reference circle 6
Inclined-plane on inclined-plane and groove 9 coordinates, and makes reference circle 6 the two is more closely contacted to being absorbed in inside groove 9.
As shown in Fig. 2, the locating piece 8 includes the flange positioned at two opposite flanks of the radial direction circle 7, the flange
It is respectively clamped into the location hole 10 on the first set section 1 and second set of 2 end face of section.Week of the flange along the radial direction circle 7
To round set, the location hole 10 along the first set section 1 and second set section 2 circumferentially around one week setting.It is described
The cross sectional shape of flange is trapezoidal, and the cross sectional shape of the location hole 10 is trapezoidal.The radial dimension of the flange is less than described
The radial dimension of location hole 10.Preferable design above, further so that the cooperation of locating piece 8 and location hole 10, makes radial direction
Circle 7 will not be extruded offset, have dual-seal and positioning action.At the same time it can also limit the deformation of the inclined-plane in reference circle 6,
Avoid causing the excessive contact of set section and sealing ring 3 to expand since bolt pretightening conduit fluid pressure is excessive, 3 shoulder of sealing ring
Inclined-plane be not susceptible to be plastically deformed, improve the reliability of sealing ring 3, increase the access times of the installing and dismounting of attachment device.
Preferably, the sealing ring 3 is made by metal material.
As shown in Figure 1, in addition, the inner surface of the cutting ferrule 4 is equipped with card hole 11, the first set section 1 and second set save 2
Connecting pin is equipped with flange 12, and the card hole 11 is set on the flange 12 of the first set section 1 and second set of section 2.So that two
The attended operation of a set section becomes more convenient, and positions simply, while in the pretightning force for the bolt for applying connecting sleeve 4
When, the radial direction circle 7 between first set section 1 and second set of section 2 can bear a part of pretightning force, reduce the inclined-plane of reference circle 6
Deformation, improves the reliability of sealing ring 3 and extends the service life of attachment device.
When carrying out pipeline connection, first set section 1 and second set of section 2 are connected into upper pipeline respectively first, then by first
The 2 pairs of spellings of set section 1 and second set of section, while sealing ring 3 is placed between first set section 1 and second set of section 2, make reference circle 6
In groove 9 between first set section 1 and second set of section 2, and 7 are radially enclosed positioned at the connecting pin of first set section 1 and second set of section 2
Between face, while locating piece 8 is snapped onto in location hole 10.When above-mentioned steps are completed, the 2 pairs of spellings of first set section 1 and second set of section
Complete, the connecting end surface of the two is closely coupled, and cutting ferrule 4 is set on first set section 1 and second set of section 2 at this time, is made on cutting ferrule 4
Card hole 11 is clamped on the flange 12 of first set section 1 and second set of section 2 at the same time, and connector 5, such as bolt are put on cutting ferrule 4,
Then screw bolt and nut is tightened up, that is, completes the connection procedure of pipeline.When mounted, it is necessary in sealing ring 3 and set section two
Wear-resistant paint, such as molybdenum disulfide (MoS2) are smeared in the surface that person is in contact, with the wear-resisting journey on the two contact surface of enhancing
Degree.For example exemplified by certain type product, design temperature is 260 degree, fluid pressure 21MPa, and sealing ring 3 and cutting ferrule 4 can then select
Made of 42CrMo materials, including the connector 5 of bolt and nut can select 45 steel to make.After the completion of pipeline connection,
To use trandfer fluid material, internal flow extrudes the inner surface of reference circle 6, reference circle 6 is covered the groove 9 on section with two and connects
Touch closer, form self-tightening sealing, cutting ferrule 4 limits the movement of two set sections, ensure that the reliability of self-tightening sealing, significantly
Improve the sealing performance of attachment device.
The above is only the better embodiment of the utility model, therefore all according to described in the utility model patent application range
The equivalent change or modification done of construction, feature and principle, be included in the utility model patent application range.
Claims (8)
1. a kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment device, including first set section and second set of section, positioned at first
The outside of sealing ring between set section and second set of section, the first set section and second set of section, which is equipped with, to be used to connect the first set
The cutting ferrule of section and second set of section, the cutting ferrule are connected by connector and fastened, it is characterised in that the sealing ring includes basic
Circle, and it is looped around the outer peripheral surface of the reference circle and the radial direction circle of the radial direction setting along the reference circle, the radial direction circle
It is equipped with locating piece；The groove of annular, institute are equipped with the inner surface of one end that the first set section and second set of section are connected with each other
The end face for stating one end that first set section and second set of section are connected with each other is equipped with location hole, the reference circle be located at first set section with
In the groove of second set of section, the radial direction circle be located at the first set section and second set save interconnection one end end face it
Between, and the locating piece is located in the location hole.
2. Mechanical Autofrettage formula fluid foods conveyance conduit attachment device according to claim 1, it is characterised in that described recessed
The inner surface of groove is inclined-plane, and the outer peripheral surface of the reference circle is inclined-plane so that the outer peripheral surface of the reference circle with it is described recessed
The inner surface of groove is in close contact.
3. Mechanical Autofrettage formula fluid foods conveyance conduit attachment device according to claim 1, it is characterised in that described fixed
Position part includes the flange positioned at two opposite flanks of the radial direction circle, and the flange is respectively clamped into the first set section and second
In location hole on set section end face.
4. Mechanical Autofrettage formula fluid foods conveyance conduit attachment device according to claim 3, it is characterised in that described convex
Edge along the radial direction circle circumferentially around one week set, the location hole along the first set section and second set section circumferentially around
Set within one week.
5. Mechanical Autofrettage formula fluid foods conveyance conduit attachment device according to claim 4, it is characterised in that described convex
The cross sectional shape of edge is trapezoidal, and the cross sectional shape of the location hole is trapezoidal.
6. Mechanical Autofrettage formula fluid foods conveyance conduit attachment device according to claim 5, it is characterised in that described convex
The radial dimension of edge is less than the radial dimension of the location hole.
7. according to claim 1~6 any one of them Mechanical Autofrettage formula fluid foods conveyance conduit attachment device, its feature exists
In the sealing ring is made by metal material.
8. Mechanical Autofrettage formula fluid foods conveyance conduit attachment device according to claim 7, it is characterised in that the card
The inner surface of set is equipped with card hole, and the first set section and second set of connecting pin saved are equipped with flange, and the card hole is set in institute
On the flange for stating first set section and second set of section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720171943 | 2017-02-24 | ||
| CN201720171943X | 2017-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246615U true CN207246615U (en) | 2018-04-17 |
Family
ID=59435373
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710358193.1A Pending CN106996491A (en) | 2017-02-24 | 2017-05-19 | A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment means |
| CN201720562719.3U Active CN207246615U (en) | 2017-02-24 | 2017-05-19 | A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710358193.1A Pending CN106996491A (en) | 2017-02-24 | 2017-05-19 | A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment means |
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| Country | Link |
|---|---|
| CN (2) | CN106996491A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996491A (en) * | 2017-02-24 | 2017-08-01 | 武汉理工大学 | A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment means |
| CN109780350A (en) * | 2019-03-27 | 2019-05-21 | 陆挚译 | A kind of liquid anti-leak pipe flange |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461557A (en) * | 2017-08-11 | 2017-12-12 | 宁波天生密封件有限公司 | sealing and connecting device |
| CN109458560A (en) * | 2018-11-22 | 2019-03-12 | 亚达管道***股份有限公司 | Food-grade pipeline peculiar to vessel |
| CN110425355A (en) * | 2019-09-05 | 2019-11-08 | 南通睿智超临界科技发展有限公司 | A kind of extracting tube docking structure |
| CN117704184A (en) * | 2024-02-06 | 2024-03-15 | 江苏成伟管件科技有限公司 | Corrugated compensator pipeline connecting equipment |
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| CH378112A (en) * | 1959-10-28 | 1964-05-31 | Gray Tool Co | Device for connecting two tubular elements |
| US3403931A (en) * | 1964-08-11 | 1968-10-01 | Gray Tool Co | Clamp |
| AT354820B (en) * | 1975-09-02 | 1980-01-25 | Heinrich Fend | FLANGE CONNECTION, ESPECIALLY FOR COMPONENTS OF VACUUM APPARATUS |
| US20010045709A1 (en) * | 1999-10-28 | 2001-11-29 | Stobbart John Edward | Seal ring and joint |
| JP2001248772A (en) * | 2000-03-02 | 2001-09-14 | Advance Denki Kogyo Kk | Connecting structure for tubes |
| JP2006161873A (en) * | 2004-12-03 | 2006-06-22 | Nippon Pillar Packing Co Ltd | Connection structure of integrated panel with fluid device |
| CN104847983A (en) * | 2015-04-09 | 2015-08-19 | 山东华信塑胶股份有限公司 | Plastic flange connecting sealing system |
| CN106337982A (en) * | 2016-11-24 | 2017-01-18 | 成都植源机械科技有限公司 | High-pressure self-tightening flange |
| CN106996491A (en) * | 2017-02-24 | 2017-08-01 | 武汉理工大学 | A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment means |
-
2017
- 2017-05-19 CN CN201710358193.1A patent/CN106996491A/en active Pending
- 2017-05-19 CN CN201720562719.3U patent/CN207246615U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996491A (en) * | 2017-02-24 | 2017-08-01 | 武汉理工大学 | A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment means |
| CN109780350A (en) * | 2019-03-27 | 2019-05-21 | 陆挚译 | A kind of liquid anti-leak pipe flange |
| CN109780350B (en) * | 2019-03-27 | 2020-10-09 | 安徽省华腾农业科技有限公司经开区分公司 | Liquid leakage-proof pipeline flange |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106996491A (en) | 2017-08-01 |
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