CN207848717U - A kind of antitorque bellows expansion joint of tension - Google Patents
A kind of antitorque bellows expansion joint of tension Download PDFInfo
- Publication number
- CN207848717U CN207848717U CN201820204513.8U CN201820204513U CN207848717U CN 207848717 U CN207848717 U CN 207848717U CN 201820204513 U CN201820204513 U CN 201820204513U CN 207848717 U CN207848717 U CN 207848717U
- Authority
- CN
- China
- Prior art keywords
- bellows
- antitorque
- ring
- expansion joint
- protecting pipe
- 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 discloses a kind of antitorque bellows expansion joints of tension, it is taken over including left end, protecting pipe, bellows, torsion resistant device and right end are taken over, the bellows left end is fixedly connected on left end and takes over, bellows right end is fixedly connected on right end and takes over, the left end is taken over to be fixedly connected with protecting pipe, the sheath, which is managed and protected, overlays on ripple tube outer surface, it is provided with torsion resistant device between the bellows and protecting pipe, the utility model is provided with antitorque ring, compensator can reduce transversely deforming in the process of running, realize the antitorque function of bellows；The integrated structure of tensile device and sealing device so that product structure is simple, easy to produce and process；Tensile device pipeline hold-down support can allow tensile device to start when failing, and avoid bellows overcompensation and premature failure or damage, realize the tension function of compensation of pipeline structure；Sealing device selects packing_seal, and the secondary seal of corrugated expansion joint may be implemented, enhance the sealing performance of fluid medium.
Description
Technical field
The utility model is related to bellows expansion joint fields, more particularly to a kind of bellows with the antitorque function of tension
Expansion joint.
Background technology
It is important that metal corrugated pipe expansion joint is widely used in the national economy such as electric power, metallurgy, chemical industry, building, food, pharmacy
Industry, with compensation conduit system because of the displacement for generation of expanding with heat and contract with cold.For metal corrugated pipe expansion joint when bearing internal pressure, there are columns
Buckling deformation trend, while bellows its column unstability under deformation can be such that allowable pressure declines, therefore need to adopt when design
The behave for taking suppressed column unstability, to improve the bearing capacity of expansion joint.For a long time, improve column unstability allowable pressure measure be
Bellows wave height is reduced, wave number is reduced or increases wall thickness etc., these measures can weaken that the deformability of bellows, to reduce its tired
The labor service life.In addition, existing metal corrugated pipe expansion joint, which is also set up, is equipped with housing, but its effect is only to avoid bellows outside exergy dissipation
Wound, it is very poor to enhancing stabilizing effect.
Utility model content
The shortcomings that the utility model is overcome in the prior art provides a kind of antitorque bellows expansion joint of tension.
Realize that the technical solution of the utility model aim is：A kind of antitorque bellows expansion joint of tension, including left end
Take over, protecting pipe, bellows, torsion resistant device and right end are taken over, the bellows left end is fixedly connected on left end and takes over, bellows
Right end is fixedly connected on right end and takes over, and the left end is taken over to be fixedly connected with protecting pipe, and the sheath, which is managed and protected, to be overlayed on outside bellows
Surface is provided with torsion resistant device between the bellows and protecting pipe.
Preferably, the torsion resistant device is antitorque ring, and the antitorque ring inner ring is fixedly connected on bellows surface, and outer ring is slided
It is dynamic to be contacted with protecting pipe.
Preferably, the antitorque ring includes the first antitorque ring and the second antitorque ring, and the first antitorque ring is sealingly fastened in
Right side bellows, the second antitorque ring are sealingly fastened in left side bellows, and it is anti-that the first antitorque ring is sealingly fastened in second
Torsion circle.
Preferably, further include that right end is taken over and is provided with tensile device between protecting pipe.
Preferably, the tensile device includes baffle ring and its slip ring of inside, and the baffle ring is fixed on sheath inside pipe wall,
The slip ring, which is fixed on right end, to be taken over.
Preferably, sealing device is equipped between the slip ring and protecting pipe.
Preferably, the protecting pipe and right end are provided with sealing device between taking over.
Preferably, the sealing device is packing_seal.
Preferably, further include diversion pipe, the diversion pipe, which is fixed on left end, to be taken over, and shield overlays on bellows inside surface.
Preferably, it is provided with reinforcing ring at the ripple tube outer surface concave ring.
The utility model compared with prior art, remarkable advantage：Product is provided with antitorque ring, and compensator is in operational process
In can reduce transversely deforming, realize the antitorque function of bellows, prevent bellows premature failure；Tensile device and sealing device
Integrated structure so that product structure is simple, easy to produce and process；Tensile device makes compensator in operational process when pipeline is solid
Determine tensile device can be allowed to start when bearing fails, avoid bellows overcompensation and premature failure or damage, realizes pipeline
The tension function of collocation structure；Sealing device selects packing_seal, and the secondary seal of corrugated expansion joint may be implemented, enhance
The sealing performance of fluid medium.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific implementation mode
As shown in Figure 1, a kind of antitorque bellows expansion joint of tension, including left end take over 1, bellows 3, diversion pipe 4, sheath
Pipe 6, the first antitorque ring 7, the second antitorque ring 8, reinforcing ring 9, slip ring 10, baffle ring 11, packing 12, support plate 13 and right end are taken over
15,3 left end of the bellows is fixedly connected on left end take over 1, and 3 right end of bellows is fixedly connected on right end take over 15, the left side
Pipe nipple 1 is fixedly connected with protecting pipe 6, and the shield of the protecting pipe 6 overlays on 3 outer surface of bellows, the bellows 3 and protecting pipe 6
Between be provided with the first antitorque ring 7 and the second antitorque ring 8,7 inner ring of the first antitorque ring is sealingly fastened in right side bellows, institute
It states 8 inner ring of the second antitorque ring and is sealingly fastened in left side bellows, the first antitorque ring 7 is sealingly fastened in the second antitorque ring 8, and
First antitorque ring 7 and/or 8 outer ring of the second antitorque ring are slidably contacted with protecting pipe 6, the right end take over 15 and protecting pipe 6 it
Between be provided with tensile device, the tensile device includes that baffle ring 11 and its slip ring 10 of inside, the baffle ring 11 are fixed on shield
6 inner wall of casing, the slip ring 10 are fixed on right end take over 15, and sealing device is equipped between the slip ring 10 and protecting pipe 6,
The sealing device includes the packing 12 between support plate 13 and support plate 13 and protecting pipe 6, and the diversion pipe 4 is fixed on left end
Take over 1, and shield overlays on 3 inner surface of bellows, and reinforcing ring 9 is provided at 3 outer surface concave ring of the bellows.
In the utility model embodiment, it is provided with the first antitorque ring 7 and the second antitorque ring 8, compensator is in operational process
In can reduce transversely deforming, realize the antitorque function of bellows 3, prevent 3 premature failure of bellows；In the program, tension dress
Set the integrated structure with sealing device so that compensator can allow tension when pipeline hold-down support fails in operational process
Device starts, and avoids bellows overcompensation and premature failure or damage, realizes the tension function of compensation of pipeline structure；Sealing device
Packing_seal is selected, the secondary seal of corrugated expansion joint may be implemented, enhance the sealing performance of fluid medium.
Other than the above embodiments, other not described embodiments should be also within the protection scope of the utility model.
Specific embodiment as described herein is only to be given an example to the spirit of the present invention, the utility model technical field
Technical staff can make various modifications or additions to the described embodiments or substitute by a similar method, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.Although herein through specific
Term illustrates, but is not excluded for the possibility using other terms, the use of these items is only for easily describing and
Explain the essence of the utility model, being construed as any one of the additional limitations all is disagreed with the spirit of the present invention
's.
Claims (10)
1. a kind of antitorque bellows expansion joint of tension, which is characterized in that taken over including left end（1）, protecting pipe（6）, bellows
（3）, torsion resistant device and right end take over（15）, the bellows（3）Left end is fixedly connected on left end and takes over（1）, bellows（3）It is right
End is fixedly connected on right end and takes over（15）, the left end takes over（1）With protecting pipe（6）It is fixedly connected, the protecting pipe（6）Shield is covered
In bellows（3）Outer surface, the bellows（3）With protecting pipe（6）Between be provided with torsion resistant device.
2. the antitorque bellows expansion joint of a kind of tension according to claim 1, which is characterized in that the torsion resistant device is anti-
Torsion circle, the antitorque ring inner ring are fixedly connected on bellows surface, and outer ring is slidingly contacted at protecting pipe（6）.
3. the antitorque bellows expansion joint of a kind of tension according to claim 2, which is characterized in that the antitorque ring includes the
Primary antibody torsion circle（7）With the second antitorque ring（8）, the first antitorque ring（7）It is sealingly fastened in right side bellows, described second is antitorque
Ring（8）It is sealingly fastened in left side bellows, the first antitorque ring（7）It is sealingly fastened in the second antitorque ring（8）.
4. the antitorque bellows expansion joint of a kind of tension according to claim 1, which is characterized in that further include that right end is taken over
（15）With protecting pipe（6）Between be provided with tensile device.
5. the antitorque bellows expansion joint of a kind of tension according to claim 4, which is characterized in that the tensile device includes
Baffle ring（11）And its slip ring of inside（10）, the baffle ring（11）It is fixed on protecting pipe（6）Inner wall, the slip ring（10）Gu
It is taken over due to right end（15）.
6. the antitorque bellows expansion joint of a kind of tension according to claim 5, which is characterized in that the slip ring（10）With
Protecting pipe（6）Between be equipped with sealing device.
7. the antitorque bellows expansion joint of a kind of tension according to claim 1, which is characterized in that the protecting pipe（6）With
Right end is taken over（15）Between be provided with sealing device.
8. the antitorque bellows expansion joint of a kind of tension described according to claim 6 or 7, which is characterized in that the sealing device
For packing_seal.
9. the antitorque bellows expansion joint of a kind of tension according to claim 1, which is characterized in that further include diversion pipe（4）,
The diversion pipe（4）Left end is fixed on to take over（1）, and shield overlays on bellows（3）Inner surface.
10. the antitorque bellows expansion joint of a kind of tension according to claim 1, which is characterized in that the bellows（3）Outside
It is provided with reinforcing ring at the concave ring of surface（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204513.8U CN207848717U (en) | 2018-02-06 | 2018-02-06 | A kind of antitorque bellows expansion joint of tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204513.8U CN207848717U (en) | 2018-02-06 | 2018-02-06 | A kind of antitorque bellows expansion joint of tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848717U true CN207848717U (en) | 2018-09-11 |
Family
ID=63411606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820204513.8U Expired - Fee Related CN207848717U (en) | 2018-02-06 | 2018-02-06 | A kind of antitorque bellows expansion joint of tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058641A (en) * | 2018-09-13 | 2018-12-21 | 江苏永昌膨胀节有限公司 | A kind of axial corrugated expansion joint |
-
2018
- 2018-02-06 CN CN201820204513.8U patent/CN207848717U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058641A (en) * | 2018-09-13 | 2018-12-21 | 江苏永昌膨胀节有限公司 | A kind of axial corrugated expansion joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180911 Termination date: 20210206 |