CN208886229U - Band wear resistance lining type metal expansion joint - Google Patents
Band wear resistance lining type metal expansion joint Download PDFInfo
- Publication number
- CN208886229U CN208886229U CN201821438392.XU CN201821438392U CN208886229U CN 208886229 U CN208886229 U CN 208886229U CN 201821438392 U CN201821438392 U CN 201821438392U CN 208886229 U CN208886229 U CN 208886229U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- flange
- bellows
- expansion joint
- wear resistance
- 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
Abstract
The utility model discloses a kind of band wear resistance lining type metal expansion joints, the both ends of bellows are fixedly connected with two end pipes, the end of left end pipe connects left flange, the end of right end pipe connects right flange, the inner surface of left and right flange is equipped with left and right flange, an elastic rubber tube is connected between the flange of left and right, the inner surface of left flange is fixedly connected with an inner cylinder and an outer cylinder, there are gaps between inner barrel and outer barrel, a spring is equipped in gap, the inner surface of right flange is fixedly connected with a central tube, central tube be inserted into inner barrel and outer barrel between there are gap, the open end of central tube is fixedly connected with an annular solid, annular solid is fixedly connected with spring.The expansion joint has been socketed one layer of rubber tube in the periphery of bellows, bellows and outside air can be completely cut off, reduce corrosion of the external corrosive substance to ripple pipe outer wall.It has also been socketed the cylinder of protective in the periphery of rubber tube, external impact can be prevented to be applied directly to the outer surface of bellows, reduce the damage of bellows, extend the service life of expansion joint.
Description
Technical field
The utility model relates to a kind of band wear resistance lining type metal expansion joints.
Background technique
Expansion joint is for compensation because of additional stress caused by temperature difference and mechanical oscillation, and is arranged in container casing or pipeline
On a kind of flexible structure.Due to a kind of its elastic compensation element as energy free extension, have reliable operation, performance good
It the advantages that good, compact-sized, has been widely used in departments such as chemical industry, metallurgy, nuclear energy.Band wear resistance lining type metal expansion joint is expansion
One kind of section, the band wear resistance lining type metal expansion joint being commonly used can well prevent metal bellows from inside
Shield, but have ignored the exterior protection of metal bellows.Metal bellows is damaged vulnerable to external impacts, influences making for expansion joint
Use the service life.
Utility model content
The utility model mainly solves technical problem present in the prior art, to provide a kind of band wear resistance lining gold
Belong to expansion joint.
Above technical problems of the utility model are mainly solved by the following technical scheme:
A kind of band wear resistance lining type metal expansion joint, includes a metal bellows, and the wavy metal inside pipe wall is equipped with wear-resisting
Lining, one end of the metal bellows are fixedly connected with left end pipe, and the other end of the metal bellows is fixedly connected with a right side
End pipe, the end of the left end pipe are fixedly connected with a Zuo Falan, and the end of the right end pipe is fixedly connected with a right flange, the left side
The inner surface of flange is equipped with a left flange, and the inner surface of the right flange is equipped with a right flange, and the left flange and right flange are
Annular flange, connects an elastic rubber tube between the left flange and right flange, the inner surface of the left flange is fixedly connected in one
Cylinder and an outer cylinder, the inner barrel and outer barrel are socketed in the periphery of elastic rubber tube, and there are gap, gaps between the inner barrel and outer barrel
It is inside equipped with a spring, the inner surface of the right flange is fixedly connected with a central tube, and the central tube is socketed in elastic rubber tube
Periphery, between central tube insertion inner barrel and outer barrel there are gap, the open end of the central tube is fixedly connected with an annular solid,
The annular solid is fixedly connected with spring.
As the utility model preferred embodiment, the barrel of the elastic rubber tube is double-layer structure.
As the utility model preferred embodiment, the spring is stainless steel spring.
The utility model has been socketed one layer of rubber tube in the periphery of metal bellows with wear resistance lining type metal expansion joint, can
To completely cut off bellows and outside air, reduce corrosion of the external corrosive substance to ripple pipe outer wall.In the outer of rubber tube
The cylinder for being also socketed protective is enclosed, external impact can be prevented to be applied directly to the outer surface of bellows, reduce bellows
Damage, extends the service life of expansion joint.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram with wear resistance lining type metal expansion joint of the utility model.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
As shown in Figure 1, a kind of band wear resistance lining type metal expansion joint 1, includes a metal bellows 2, the metal bellows 2
Inner wall is equipped with wear resistance lining, and one end of the metal bellows 2 is fixedly connected with a left end pipe 3, the metal bellows 2 it is another
End is fixedly connected with a right end pipe 4, and the end of the left end pipe 3 is fixedly connected with a left flange 5, and the end of the right end pipe 4 is fixed
A right flange 6 is connected, the inner surface of the left flange 5 is equipped with a left flange 7, and it is right convex that the inner surface of the right flange 6 is equipped with one
Edge 8, the left flange 7 and right flange 8 are annular flange, connect an elastic rubber tube 9, institute between the left flange 7 and right flange 8
The inner surface for stating left flange 5 is fixedly connected with an inner cylinder 10 and an outer cylinder 11, and the inner cylinder 10 and outer cylinder 11 are socketed in elastic rubber
The periphery of cylinder 9, there are gap between the inner cylinder 10 and outer cylinder 11, equipped with a spring 12, the inner surface of the right flange 6 in gap
It is fixedly connected with a central tube 14, the central tube 14 is socketed in the periphery of elastic rubber tube 9, and the central tube 14 is inserted into inner cylinder 10
Between outer cylinder 11 there are gap, the open end of the central tube 14 is fixedly connected with an annular solid 13, the annular solid 13 and bullet
Spring 12 is fixedly connected.
It is further improved as to the utility model, the barrel of the elastic rubber tube 9 is double-layer structure.
It is further improved as to the utility model, the spring 12 is stainless steel spring.
The utility model has been socketed one layer of rubber tube in the periphery of metal bellows with wear resistance lining type metal expansion joint, can
To completely cut off bellows and outside air, reduce corrosion of the external corrosive substance to ripple pipe outer wall.In the outer of rubber tube
The cylinder for being also socketed protective is enclosed, external impact can be prevented to be applied directly to the outer surface of bellows, reduce bellows
Damage, extends the service life of expansion joint.
The mentality of designing for only illustrating the utility model in one embodiment above, in the case where system allows,
The utility model can be extended to while external more functional modules, to extend its function to greatest extent.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (3)
1. a kind of band wear resistance lining type metal expansion joint (1), which is characterized in that include a metal bellows (2), the wavy metal
It manages (2) inner wall and is equipped with wear resistance lining, one end of the metal bellows (2) is fixedly connected with left end pipe (3), the wavy metal
The other end of pipe (2) is fixedly connected with a right end pipe (4), and the end of the left end pipe (3) is fixedly connected a Zuo Falan (5), described
The end of right end pipe (4) is fixedly connected with a right flange (6), and the inner surface of the left flange (5) is equipped with a left flange (7), described
The inner surface of right flange (6) is equipped with a right flange (8), and the left flange (7) and right flange (8) are annular flange, and the left side is convex
It is connected between edge (7) and right flange (8) elastic rubber tube (9), the inner surface of the left flange (5) is fixedly connected with an inner cylinder (10)
With an outer cylinder (11), the inner cylinder (10) and outer cylinder (11) are socketed in the periphery of elastic rubber tube (9), the inner cylinder (10) and outer
There are gap between cylinder (11), equipped with a spring (12) in gap, the inner surface of the right flange (6) is fixedly connected with a central tube
(14), the central tube (14) is socketed in the periphery of elastic rubber tube (9), central tube (14) insertion inner cylinder (10) and outer cylinder
(11) between there are gap, the open end of the central tube (14) is fixedly connected an annular solid (13), the annular solid (13) and
Spring (12) is fixedly connected.
2. band wear resistance lining type metal expansion joint according to claim 1, which is characterized in that the elastic rubber tube (9)
Barrel be double-layer structure.
3. band wear resistance lining type metal expansion joint according to claim 2, which is characterized in that the spring (12) is stainless
Steel spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438392.XU CN208886229U (en) | 2018-09-02 | 2018-09-02 | Band wear resistance lining type metal expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438392.XU CN208886229U (en) | 2018-09-02 | 2018-09-02 | Band wear resistance lining type metal expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208886229U true CN208886229U (en) | 2019-05-21 |
Family
ID=66511031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821438392.XU Expired - Fee Related CN208886229U (en) | 2018-09-02 | 2018-09-02 | Band wear resistance lining type metal expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208886229U (en) |
-
2018
- 2018-09-02 CN CN201821438392.XU patent/CN208886229U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20210902 |