CN214535066U - Wear-resistant corrugated expansion joint - Google Patents
Wear-resistant corrugated expansion joint Download PDFInfo
- Publication number
- CN214535066U CN214535066U CN202120446302.7U CN202120446302U CN214535066U CN 214535066 U CN214535066 U CN 214535066U CN 202120446302 U CN202120446302 U CN 202120446302U CN 214535066 U CN214535066 U CN 214535066U
- Authority
- CN
- China
- Prior art keywords
- bellows
- expansion joint
- protecting tube
- corrugated
- 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
Links
- 230000001681 protective effect Effects 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 17
- 230000005489 elastic deformation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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Abstract
The utility model discloses a stand wear and tear ripple expansion joint, including bellows and the flange that is located the bellows both ends, the inside of bellows is provided with the protecting tube, the both ends of protecting tube are provided with the flexible district of symmetric distribution, the interlude of protecting tube passes through spring one and the interior table wall elastic connection of bellows, the tip of protecting tube passes through extension limit and bellows sealing connection. The utility model discloses in, the fluid passes through from the inside of protecting tube, avoids fluid and bellows contact, and the impact pressure that the fluid produced at the flow in-process makes the flexible district of protecting tube take place the self-adaptation flexible to reduce the loss of impact pressure to the protecting tube, the impact force that the protecting tube received makes spring one take place elastic deformation, obstruct impact vibration transmission to bellows, prevent that the fluid from causing the impact of directness to the bellows, thereby improved the wearability of bellows greatly, prolonged the life of ripple expansion joint.
Description
Technical Field
The utility model relates to a ripple expansion joint technical field especially relates to a stand wear and tear ripple expansion joint.
Background
The corrugated expansion energy-saving expansion function is realized mainly by a corrugated pipe, the function and strength design of the corrugated expansion joint is mainly realized by the design of the corrugated pipe, and the corrugated pipe can be stretched, compressed or bent by different designs and combinations of the corrugated pipe, so that the corrugated expansion joint in three basic forms of axial direction, transverse direction and angular direction is formed.
In the actual use process of the existing corrugated expansion joint, fluid can generate large impact force on the inner wall of the expansion joint, so that the inner wall of the expansion joint is accelerated to lose, and the service life of the corrugated expansion joint is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the wear resistance of the corrugated expansion joint is poor, the wear-resistant corrugated expansion joint is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
stand wear and tear ripple expansion joint, including bellows and the flange that is located the bellows both ends, the inside of bellows is provided with the protecting tube, the both ends of protecting tube are provided with the flexible district of symmetric distribution, the interlude of protecting tube passes through the interior table wall elastic connection of spring one with the bellows, the tip of protecting tube passes through extension limit and bellows sealing connection, two run through connection has dead lever one and dead lever two on the flange respectively, the tip of dead lever one is provided with the hemisphere shell, the tip of dead lever two is provided with the hemisphere body, the hemisphere position is in the inside of hemisphere shell and through spring two and hemisphere shell elastic connection.
As a further description of the above technical solution:
the protective pipe and the telescopic area are of an integrally formed structure.
As a further description of the above technical solution:
and an anti-corrosion coating is arranged on the inner surface wall of the protective pipe.
As a further description of the above technical solution:
and the first fixing rod and the second fixing rod are both in locking connection with the two flanges through threaded sleeves.
As a further description of the above technical solution:
a reserved cavity is formed between the protection pipe and the corrugated pipe.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, the fluid passes through from the inside of protecting tube, avoids fluid and bellows contact, and the impact pressure that the fluid produced at the flow in-process makes the flexible district of protecting tube take place the self-adaptation flexible to reduce the loss of impact pressure to the protecting tube, the impact force that the protecting tube received makes spring one take place elastic deformation, obstruct impact vibration transmission to bellows, prevent that the fluid from causing the impact of directness to the bellows, thereby improved the wearability of bellows greatly, prolonged the life of ripple expansion joint.
2. The utility model discloses in, the bellows receives fluidic expend with heat and contract with cold and produces inflation volume or compressive capacity, and at this moment, deformation takes place for the bellows, and the hemisphere body of two tip of dead lever takes place the self-adaptation in the inside of hemisphere shell and rotates, thereby two emergence elastic deformation of spring have improved the buffering effect of ripple expansion joint simultaneously, have reduced the pressure of ripple expansion joint.
Drawings
Fig. 1 is a front view schematic diagram illustrating a wear-resistant corrugated expansion joint according to an embodiment of the present invention;
fig. 2 shows a schematic front view internal structure diagram of the wear-resistant corrugated expansion joint provided by the embodiment of the invention.
Illustration of the drawings:
1. a bellows; 2. a flange; 3. a protective tube; 4. a telescoping zone; 5. extending the edge; 6. a first spring; 7. fixing a rod I; 8. a second fixing rod; 9. a hemispherical shell; 10. a hemispherical body; 11. a second spring; 12. a threaded sleeve; 13. an anti-corrosion coating; 14. and reserving a cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the wear-resistant corrugated expansion joint comprises a corrugated pipe 1 and flanges 2 positioned at two ends of the corrugated pipe 1, a protective pipe 3 is arranged inside the corrugated pipe 1, telescopic areas 4 which are symmetrically distributed are arranged at two ends of the protective pipe 3, impact pressure generated by fluid in the flowing process enables the telescopic areas 4 of the protective pipe 3 to stretch in a self-adaptive mode, so that the loss of the impact pressure to the protective pipe 3 is reduced, the middle section of the protective pipe 3 is elastically connected with the inner surface wall of the corrugated pipe 1 through a spring I6, the impact force applied to the protective pipe 3 enables the spring I6 to deform elastically, impact vibration is prevented from being transmitted to the corrugated pipe 1, the fluid is prevented from directly impacting the corrugated pipe 1, the end part of the protective pipe 3 is connected with the corrugated pipe 1 in a sealing mode through an extension edge 5, the fluid is prevented from entering the corrugated pipe 1, and a first fixing rod 7 and a second fixing rod 8 are respectively connected to the two flanges 2 in a penetrating mode, the tip of dead lever 7 is provided with hemisphere shell 9, and the tip of dead lever two 8 is provided with hemisphere body 10, and hemisphere body 10 is located the inside of hemisphere shell 9 and through two 11 and 9 elastic connection of hemisphere shell of spring, and deformation takes place for bellows 1, and the hemisphere body 10 of two 8 tip of dead lever takes place the self-adaptation in the inside of hemisphere shell 9 and rotates, thereby two 11 emergence elastic deformation of spring have improved the cushioning effect of ripple expansion joint simultaneously.
Specifically, as shown in fig. 2, the protection tube 3 and the expansion region 4 are integrally formed, so as to improve the overall impact resistance of the protection tube 3.
Specifically, as shown in fig. 2, the inner surface wall of the protection pipe 3 is provided with the anti-corrosion coating 13, so that the anti-corrosion effect of the protection pipe 3 is improved, and the corrosivity of the fluid on the protection pipe 3 is reduced.
Specifically, as shown in fig. 1, the first fixing rod 7 and the second fixing rod 8 are both connected with the two flanges 2 through the threaded sleeves 12 in a locking manner, so that the first fixing rod 7 and the second fixing rod 8 are fixed outside the corrugated pipe 1, and the supporting strength and stability of the corrugated pipe 1 are enhanced.
Specifically, as shown in fig. 2, a reserved cavity 14 is formed between the protection tube 3 and the corrugated tube 1 to provide an isolation buffer space for the protection tube 3, and prevent the protection tube 3 from directly transmitting impact force to the corrugated tube 1.
The working principle is as follows: when the corrugated expansion joint is used, fluid passes through the inside of the protection pipe 3, the fluid is prevented from contacting the corrugated pipe 1, the impact pressure generated by the fluid in the flowing process enables the telescopic area 4 of the protection pipe 3 to be subjected to self-adaptive telescopic, so that the loss of the impact pressure on the protection pipe 3 is reduced, the impact force applied to the protection pipe 3 enables the first spring 6 to be subjected to elastic deformation, the impact vibration is prevented from being transmitted to the corrugated pipe 1, the fluid is prevented from directly impacting the corrugated pipe 1, the wear resistance of the corrugated pipe 1 is greatly improved, and the service life of the corrugated expansion joint is prolonged; bellows 1 receives the expend with heat and contract with cold of fluidic and produces expansion amount or compressive capacity, and at this moment, deformation takes place for bellows 1, and the hemisphere body 10 of two 8 tip of dead lever takes place the self-adaptation in the inside of hemisphere shell 9 and rotates, thereby spring two 11 takes place elastic deformation simultaneously and has improved the cushioning effect of ripple expansion joint, has reduced the pressure of ripple expansion joint.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A wear-resistant corrugated expansion joint comprises a corrugated pipe (1) and flanges (2) positioned at two ends of the corrugated pipe (1), it is characterized in that a protective pipe (3) is arranged in the corrugated pipe (1), two ends of the protective pipe (3) are provided with symmetrically distributed telescopic areas (4), the middle section of the protective pipe (3) is elastically connected with the inner surface wall of the corrugated pipe (1) through a spring I (6), the end part of the protective pipe (3) is hermetically connected with the corrugated pipe (1) through an extension edge (5), a first fixed rod (7) and a second fixed rod (8) are respectively connected on the two flanges (2) in a penetrating way, a semi-spherical shell (9) is arranged at the end part of the first fixing rod (7), a semi-spherical body (10) is arranged at the end part of the second fixing rod (8), the semi-spherical body (10) is positioned in the semi-spherical shell (9) and is elastically connected with the semi-spherical shell (9) through a second spring (11).
2. A wear-resistant bellows expansion joint according to claim 1, characterized in that the protective tube (3) and the expansion zone (4) are of one-piece construction.
3. A wear resistant corrugated expansion joint according to claim 1, characterized in that the inner surface wall of the protecting tube (3) is provided with a corrosion resistant coating (13).
4. The abrasion resistant corrugated expansion joint according to claim 1, wherein the first fixing rod (7) and the second fixing rod (8) are each lockingly connected to the two flanges (2) by means of a threaded sleeve (12).
5. A wear-resistant corrugated expansion joint according to claim 1, characterized in that between the protective tube (3) and the corrugated tube (1) there is a pre-cavity (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120446302.7U CN214535066U (en) | 2021-03-02 | 2021-03-02 | Wear-resistant corrugated expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120446302.7U CN214535066U (en) | 2021-03-02 | 2021-03-02 | Wear-resistant corrugated expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214535066U true CN214535066U (en) | 2021-10-29 |
Family
ID=78259547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120446302.7U Expired - Fee Related CN214535066U (en) | 2021-03-02 | 2021-03-02 | Wear-resistant corrugated expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214535066U (en) |
-
2021
- 2021-03-02 CN CN202120446302.7U patent/CN214535066U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20211029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |