CN204213534U - Wear-resistant metal expansion joint - Google Patents
Wear-resistant metal expansion joint Download PDFInfo
- Publication number
- CN204213534U CN204213534U CN201420550136.5U CN201420550136U CN204213534U CN 204213534 U CN204213534 U CN 204213534U CN 201420550136 U CN201420550136 U CN 201420550136U CN 204213534 U CN204213534 U CN 204213534U
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- China
- Prior art keywords
- bellows
- expansion joint
- internal lining
- lining pipe
- metal expansion
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Abstract
The utility model relates to a kind of wear-resistant metal expansion joint connected for container shell or pipeline, comprises bellows, pipe nipple and flange; Bellows two ends are connected respectively by pipe nipple and flange; Be provided with internal lining pipe in bellows, have the passage passed through for fluid in the middle of internal lining pipe, internal lining pipe one end and pipe nipple or flange inner wall are tightly connected, and the internal lining pipe the other end at least extends to pipe nipple position.By setting up a metal inner lining pipe in type metal expansion joint, fluid by type metal expansion joint is separated with bellows, can ensure that fluid does not directly wash away bellows like this, effectively delay type metal expansion joint working life, axial, transverse direction, the angular compensatory amount of bellows can be ensured again.
Description
Technical field
The utility model relates to a kind of flexible connector connected for container shell or pipeline, specifically a kind of wear-resistant metal expansion joint.
Background technique
Type metal expansion joint is a kind of additional stress for compensating because temperature difference and mechanical vibration cause, and is arranged on a kind of flexible connector on container shell or pipeline.Due to it as a kind of can the elastic compensation element of free-extension, the advantages such as reliable operation, functional, compact structure, have been widely used in the departments such as chemical industry, metallurgy, nuclear energy.In the type metal expansion joint of current use, the wall thickness of bellows is thinner, generally only has 2mm, when carrying the higher material of solid content, washes away very serious to type metal expansion joint bellows, causes type metal expansion joint greatly to shorten working life, causes unnecessary loss.
Summary of the invention
The purpose of this utility model is the deficiency existed for existing type metal expansion joint, provides a kind of wear-resistant metal expansion joint, can anti-fluid directly wash away type metal expansion joint bellows, effectively delays type metal expansion joint working life.
The utility model is achieved in that and comprises bellows, pipe nipple and flange; Bellows two ends are connected respectively by pipe nipple and flange; Be provided with internal lining pipe in bellows, have the passage passed through for fluid in the middle of internal lining pipe, internal lining pipe one end and pipe nipple or flange inner wall are tightly connected, and the internal lining pipe the other end at least extends to pipe nipple position.Fluid enters internal lining pipe by internal lining pipe fixed end, and is flowed out by the other end, and fluid not directly and bellows contact internal walls, directly can not wash away bellows, thus effectively can delay type metal expansion joint working life.
Further, internal lining pipe one end and flange inner wall are tightly connected, and the internal lining pipe the other end extends to flange position.
Further, internal lining pipe one end is provided with radially protruding ring-shaped baffle, and ring-shaped baffle is connected by welding with flange inner wall.
As shown from the above technical solution, the utility model by setting up a metal inner lining pipe in type metal expansion joint, fluid by type metal expansion joint can be separated with bellows, can ensure that fluid does not directly wash away bellows like this, effectively delay type metal expansion joint working life, axial, transverse direction, the angular compensatory amount of bellows can be ensured again.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1, the utility model comprises bellows 3, pipe nipple 2 and flange 1; Bellows 3 two ends are connected respectively by pipe nipple 2 and flange 1; Internal lining pipe 4 is provided with in bellows 3, the passage 42 passed through for fluid is had in the middle of internal lining pipe 4, internal lining pipe 4 one end is provided with radially protruding ring-shaped baffle 41, ring-shaped baffle 41 is connected by welding with flange 1 inwall, internal lining pipe 4 end is connected, in case fluid enters the gap between internal lining pipe 4 and bellows 3 by internal lining pipe 4 end with flange 1 inner wall sealing.Internal lining pipe 4 the other end at least extends to pipe nipple 2 position, preferably extends to flange 1 position.Fluid enters internal lining pipe by internal lining pipe fixed end, and is flowed out by the other end, and fluid not directly and bellows contact internal walls, directly can not wash away bellows, thus effectively can delay type metal expansion joint working life.
The ring-shaped baffle 41 of above-mentioned internal lining pipe one end also can be welded on pipe nipple 2 inwall, and internal lining pipe 4 end is connected with pipe nipple 2 inner wall sealing.
Claims (3)
1. wear-resistant metal expansion joint, comprises bellows (3), pipe nipple (2) and flange (1); Bellows (3) two ends are connected respectively by pipe nipple (2) and flange (1); It is characterized in that: in bellows (3), be provided with internal lining pipe (4), the passage (42) passed through for fluid is had in the middle of internal lining pipe (4), internal lining pipe (4) one end is connected with pipe nipple (2) or flange (1) inner wall sealing, and internal lining pipe (4) the other end at least extends to pipe nipple (2) position.
2. wear-resistant metal expansion joint according to claim 1, is characterized in that: internal lining pipe (4) one end is connected with flange (1) inner wall sealing, and internal lining pipe (4) the other end extends to flange (1) position.
3. wear-resistant metal expansion joint according to claim 2, it is characterized in that: internal lining pipe (4) one end is provided with radially protruding ring-shaped baffle (41), and ring-shaped baffle (41) is connected by welding with flange (1) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550136.5U CN204213534U (en) | 2014-09-23 | 2014-09-23 | Wear-resistant metal expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550136.5U CN204213534U (en) | 2014-09-23 | 2014-09-23 | Wear-resistant metal expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204213534U true CN204213534U (en) | 2015-03-18 |
Family
ID=52982206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420550136.5U Active CN204213534U (en) | 2014-09-23 | 2014-09-23 | Wear-resistant metal expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204213534U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763358A (en) * | 2017-11-16 | 2018-03-06 | 江苏乾元飞达电力设备有限公司 | A kind of sintering forming process of wear-resisting type ceramic expansion section and its ceramic lining-tube |
| CN109140105A (en) * | 2018-10-11 | 2019-01-04 | 南京晨光东螺波纹管有限公司 | A kind of improved universal type expansion joint |
| CN112344122A (en) * | 2020-10-22 | 2021-02-09 | 中国一冶集团有限公司 | Steel pipe and pipeline connecting structure for compensating differential settlement and construction method |
-
2014
- 2014-09-23 CN CN201420550136.5U patent/CN204213534U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763358A (en) * | 2017-11-16 | 2018-03-06 | 江苏乾元飞达电力设备有限公司 | A kind of sintering forming process of wear-resisting type ceramic expansion section and its ceramic lining-tube |
| CN109140105A (en) * | 2018-10-11 | 2019-01-04 | 南京晨光东螺波纹管有限公司 | A kind of improved universal type expansion joint |
| CN112344122A (en) * | 2020-10-22 | 2021-02-09 | 中国一冶集团有限公司 | Steel pipe and pipeline connecting structure for compensating differential settlement and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |