CN209819010U - Anticorrosive type expansion joint device - Google Patents
Anticorrosive type expansion joint device Download PDFInfo
- Publication number
- CN209819010U CN209819010U CN201920544642.6U CN201920544642U CN209819010U CN 209819010 U CN209819010 U CN 209819010U CN 201920544642 U CN201920544642 U CN 201920544642U CN 209819010 U CN209819010 U CN 209819010U
- Authority
- CN
- China
- Prior art keywords
- connecting end
- end pipe
- expansion joint
- joint device
- wall
- 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.)
- Active
Links
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses an anticorrosive type expansion joint device relates to expansion joint technical field. The corrugated pipe comprises a corrugated pipe body, the left and right sides face of corrugated pipe is first connecting end pipe of fixedly connected with and second connecting end pipe respectively, it has the protection casing to lie in bellows outside fixed mounting between first connecting end pipe and the second connecting end union coupling surface, it has the heat preservation cotton to fill between protection casing and the bellows, the left surface fixed mounting of first connecting end pipe has first flange, fixed mounting has first spacing ring on the inner wall of first connecting end pipe, movable mounting has first draft tube on the inner wall of first connecting end pipe. The utility model discloses all seal the surface and the inner wall of bellows, effectively avoid the bellows to be corroded, have the heat preservation effect simultaneously, first elastic rubber circle makes first draft tube have the cushioning effect with second elastic rubber circle simultaneously, has increased the life of this expansion joint device, uses safelyr, reliable more.
Description
Technical Field
The utility model relates to an expansion joint technical field specifically is an anticorrosive type expansion joint device.
Background
The metal expansion joint is a flexible structure arranged on the container shell or pipeline for compensating the additional stress caused by temperature difference and mechanical vibration, and has the advantages of reliable operation, good performance, compact structure and the like as an elastic compensation element capable of freely extending and retracting, and has been widely applied to the departments of chemical industry, metallurgy, nuclear energy and the like.
In recent years, along with the continuous improvement of urban construction on the requirement of environment beautification, most of heat supply pipelines adopt an underground laying mode, the mode has higher corrosion prevention requirement on corrugated expansion joints used for balancing thermal expansion of the pipelines, the safety of the expansion joints is ensured, and the long-term performance and the reliability of the expansion joints are also ensured.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an anticorrosive type expansion joint device possesses effectively to avoid the bellows to be corroded, has the heat preservation effect simultaneously, uses advantages such as safer, reliable, has solved the bellows and has corroded very easily, and the life of bellows expansion joint is shorter, does not possess the problem of heat preservation effect.
(II) technical scheme
In order to realize the aforesaid and effectively avoid the bellows to be corroded, have the heat preservation effect simultaneously, use safer, reliable purpose, the utility model provides a following technical scheme: an anticorrosion expansion joint device comprises a corrugated pipe, wherein a first connecting end pipe and a second connecting end pipe are fixedly connected to the left side surface and the right side surface of the corrugated pipe respectively, a protective cover is fixedly arranged between the outer surfaces of the first connecting end pipe and the second connecting end pipe and positioned at the outer side of the corrugated pipe, heat-insulating cotton is filled between the protective cover and the corrugated pipe, a first flange is fixedly arranged on the left side surface of the first connecting end pipe, a first limiting ring is fixedly arranged on the inner wall of the first connecting end pipe, a first guide cylinder is movably arranged on the inner wall of the first connecting end pipe, a second limiting ring is fixedly arranged at the position of the first guide cylinder corresponding to the first connecting end pipe, a first elastic rubber ring is fixedly arranged between the second limiting ring and the first limiting ring, a second elastic rubber ring is fixedly arranged between the second limiting ring and the first flange, and a second flange is fixedly arranged on the right side surface of the second connecting end pipe, the left side face of the second flange is fixedly provided with a right second guide cylinder, an arc-shaped sleeve is fixedly arranged between the first guide cylinder and the second guide cylinder, and the inner walls of the first guide cylinder, the second guide cylinder and the arc-shaped sleeve are fixedly provided with an anti-abrasion layer.
Further optimize this technical scheme, arc sleeve is the arch structure of arch direction bellows inner wall.
Further optimize this technical scheme, all seted up the connecting hole along the circumferencial direction on first flange and the second flange.
Further optimize this technical scheme, first connecting end pipe evenly is provided with the fixed block with second connecting end union coupling surface along the circumferencial direction, fixed mounting has the gag lever post between the fixed block.
Further optimizing the technical scheme, the anti-abrasion layer is a glass flake daub layer, and the thickness of the anti-abrasion layer is 0.8mm-1 mm.
Further optimizing the technical scheme, the diameter of the first limiting ring is equal to that of the second limiting ring, the inner wall of the first limiting ring is tightly attached to the outer surface of the first guide cylinder, and the outer surface of the second limiting ring is tightly attached to the inner wall of the first connecting end pipe.
Further optimize this technical scheme, first spacing ring and first connecting end pipe are integrated into one piece structure, second spacing ring and first draft tube are integrated into one piece structure.
(III) advantageous effects
Compared with the prior art, the utility model provides an anticorrosive type expansion joint device possesses following beneficial effect:
1. this anticorrosive type expansion joint device seals the inner wall of bellows through first draft tube, second draft tube and the arc sleeve that sets up, effectively avoids the bellows inner wall to be corroded, and the while keeps warm cotton and protection casing are with bellows surface seal, makes the bellows have the heat preservation effect, avoids the bellows surface to be collided with, has increased this expansion joint device's life, uses safelyr, reliable.
2. This anticorrosive type expansion joint device mutually supports the use through first elastic rubber circle and second elastic rubber circle and first spacing ring and second spacing ring that set up, seals between first draft tube and the first connection end pipe, and rethread arc-shaped sleeve makes first draft tube and second draft tube have elasticity and cushioning effect, uses safelyr, and sealed effect is better.
3. This anticorrosive type expansion joint device seals first draft tube, second draft tube and arc sleeve inner wall through the abrasionproof layer that sets up, improves wear resistance and corrosion resisting property, improves life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partial cross-sectional view of the present invention.
In the figure: 1. a bellows; 2. a first connection end tube; 3. a second connection end tube; 4. a protective cover; 5. heat preservation cotton; 6. a first flange; 7. a first limit ring; 8. a first draft tube; 9. a second stop collar; 10. a first elastic rubber ring; 11. a second elastic rubber ring; 12. a second flange; 13. a second draft tube; 14. an arc-shaped sleeve; 15. an anti-wear layer; 16. connecting holes; 17. a fixed block; 18. a limiting rod.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model discloses an anti-corrosion expansion joint device, which comprises a corrugated pipe 1, wherein the left and right side surfaces of the corrugated pipe 1 are respectively fixedly connected with a first connecting end pipe 2 and a second connecting end pipe 3, a protective cover 4 is fixedly arranged between the outer surfaces of the first connecting end pipe 2 and the second connecting end pipe 3 and positioned at the outer side of the corrugated pipe 1, the protective cover 4 is made of elastic stainless steel material, heat insulation cotton 5 is filled between the protective cover 4 and the corrugated pipe 1, a first flange 6 is fixedly arranged at the left side surface of the first connecting end pipe 2, a first limiting ring 7 is fixedly arranged on the inner wall of the first connecting end pipe 2, a first guide cylinder 8 is movably arranged on the inner wall of the first connecting end pipe 2, a second limiting ring 9 is fixedly arranged at the position of the first guide cylinder 8 corresponding to the first connecting end pipe 2, a first elastic rubber ring 10 is fixedly arranged between the second limiting ring 9 and the first limiting ring 7, a second elastic rubber ring 11 is fixedly mounted between the second limiting ring 9 and the first flange 6, a second flange 12 is fixedly mounted on the right side face of the second connecting end pipe 3, a right second guide cylinder 13 is fixedly mounted on the left side face of the second flange 12, an arc-shaped sleeve 14 is fixedly mounted between the first guide cylinder 8 and the second guide cylinder 13, the arc-shaped sleeve 14 is made of elastic stainless steel, and an anti-abrasion layer 15 is fixedly mounted on the inner walls of the first guide cylinder 8, the second guide cylinder 13 and the arc-shaped sleeve 14.
Specifically, arc sleeve 14 is protruding to the arc structure of bellows 1 inner wall, and arc sleeve 14 is sunken to glass bellows 1, reduces arc sleeve 14 and is washed away, makes its use safer.
Specifically, connecting holes 16 are formed in the first flange 6 and the second flange 12 along the circumferential direction, and the connecting holes 16 facilitate butt joint of the first flange 6 and the second flange 12 with an external connecting pipe.
Specifically, the outer surfaces of the first connecting end pipe 2 and the second connecting end pipe 3 are uniformly provided with fixing blocks 17 along the circumferential direction, a limiting rod 18 is fixedly installed between the fixing blocks 17, and the limiting rod 18 can provide good support and limitation between the first connecting end pipe 2 and the second connecting end pipe 3.
Specifically, the anti-wear layer 15 is a glass flake daub layer, the thickness of the anti-wear layer 15 is 0.8mm-1mm, the glass flake daub layer has strong bonding strength and deformation capacity, cracking or peeling phenomena are not easy to generate, the hardness of the solidified flake daub is high, and the wear resistance is good.
Specifically, the diameter of the first limiting ring 7 is equal to the diameter of the second limiting ring 9, the inner wall of the first limiting ring 7 is tightly attached to the outer surface of the first guide cylinder 8, the outer surface of the second limiting ring 9 is tightly attached to the inner wall of the first connecting end pipe 2, and the first guide cylinder 8 cannot shake freely in the first connecting end pipe 2.
Specifically, the first limiting ring 7 and the first connecting end pipe 2 are of an integrally formed structure, the second limiting ring 9 and the first guide cylinder 8 are of an integrally formed structure, and the first limiting ring 7 and the second limiting ring 9 are high in strength and not prone to damage.
When the expansion joint device is used, the inner wall of the corrugated pipe 1 is sealed through the first guide cylinder 8, the second guide cylinder 13 and the arc-shaped sleeve 14, the corrosion of the inner wall of the corrugated pipe 1 is effectively avoided, meanwhile, the heat insulation cotton 5 and the protective cover 4 seal the outer surface of the corrugated pipe 1, so that the corrugated pipe 1 has a heat insulation effect, the outer surface of the corrugated pipe 1 is prevented from being collided, the service life of the expansion joint device is prolonged, the expansion joint device is safer and more reliable to use, the first guide cylinder 8 and the first connecting end pipe 2 are sealed through the first elastic rubber ring 10, the second elastic rubber ring 11, the first limiting ring 7 and the second limiting ring 9 which are matched with each other, the first guide cylinder 8 and the second guide cylinder 13 have the effects of elasticity and shock absorption through the arc-shaped sleeve 14, the use is safer, the sealing effect is better, the inner walls of the first guide cylinder 8, the second guide cylinder 13 and the arc-shaped sleeve 14 are sealed through the, the wear resistance and the corrosion resistance are improved, and the service life is prolonged.
To sum up, this anticorrosive type expansion joint device all seals the surface and the inner wall of bellows 1, effectively avoids bellows 1 to be corroded, has the heat preservation effect simultaneously, and first elastic rubber circle 10 makes first draft tube 8 have the cushioning effect with second elastic rubber circle 11 simultaneously, has increased this expansion joint device's life, uses safelyr, reliable more.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an anticorrosive type expansion joint device, includes bellows (1), its characterized in that: the corrugated pipe comprises a corrugated pipe body (1), wherein a first connecting end pipe (2) and a second connecting end pipe (3) are fixedly connected to the left side surface and the right side surface of the corrugated pipe body (1) respectively, a protective cover (4) is fixedly installed on the outer side of the corrugated pipe body (1) between the outer surfaces of the first connecting end pipe (2) and the second connecting end pipe (3), heat-insulating cotton (5) is filled between the protective cover (4) and the corrugated pipe body (1), a first flange (6) is fixedly installed on the left side surface of the first connecting end pipe (2), a first limiting ring (7) is fixedly installed on the inner wall of the first connecting end pipe (2), a first guide cylinder (8) is movably installed on the inner wall of the first connecting end pipe (2), a second limiting ring (9) is fixedly installed at a position corresponding to the first connecting end pipe (2) on the first guide cylinder (8), and a first elastic rubber ring (10) is fixedly installed between the second limiting ring (9) and the first limiting ring (, fixed mounting has second elastic rubber circle (11) between second spacing ring (9) and first flange (6), the right flank fixed mounting of second connecting end pipe (3) has second flange (12), left flank fixed mounting right second draft tube (13) of second flange (12), fixed mounting has arc sleeve (14) between first draft tube (8) and second draft tube (13), equal fixed mounting has abrasionproof layer (15) on the inner wall of first draft tube (8), second draft tube (13) and arc sleeve (14).
2. An anti-corrosion expansion joint device according to claim 1, wherein: the arc-shaped sleeve (14) is of an arc-shaped structure protruding towards the inner wall of the corrugated pipe (1).
3. An anti-corrosion expansion joint device according to claim 1, wherein: and the first flange (6) and the second flange (12) are both provided with connecting holes (16) along the circumferential direction.
4. An anti-corrosion expansion joint device according to claim 1, wherein: fixed blocks (17) are uniformly arranged on the outer surfaces of the first connecting end pipe (2) and the second connecting end pipe (3) in the circumferential direction, and a limiting rod (18) is fixedly arranged between the fixed blocks (17).
5. An anti-corrosion expansion joint device according to claim 1, wherein: the anti-abrasion layer (15) is a glass flake daub layer, and the thickness of the anti-abrasion layer (15) is 0.8mm-1 mm.
6. An anti-corrosion expansion joint device according to claim 1, wherein: the diameter of first spacing ring (7) equals with the diameter of second spacing ring (9), first spacing ring (7) inner wall closely laminates with first draft tube (8) surface, second spacing ring (9) surface closely laminates with first connecting end pipe (2) inner wall.
7. An anti-corrosion expansion joint device according to claim 1, wherein: the first limiting ring (7) and the first connecting end pipe (2) are of an integrally formed structure, and the second limiting ring (9) and the first guide cylinder (8) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544642.6U CN209819010U (en) | 2019-04-22 | 2019-04-22 | Anticorrosive type expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544642.6U CN209819010U (en) | 2019-04-22 | 2019-04-22 | Anticorrosive type expansion joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209819010U true CN209819010U (en) | 2019-12-20 |
Family
ID=68880769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920544642.6U Active CN209819010U (en) | 2019-04-22 | 2019-04-22 | Anticorrosive type expansion joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209819010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100522A (en) * | 2021-11-29 | 2022-03-01 | 青岛伊克斯达智能装备有限公司 | Internal rotation type waste rubber-plastic thermal cracking equipment |
-
2019
- 2019-04-22 CN CN201920544642.6U patent/CN209819010U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100522A (en) * | 2021-11-29 | 2022-03-01 | 青岛伊克斯达智能装备有限公司 | Internal rotation type waste rubber-plastic thermal cracking equipment |
| CN114100522B (en) * | 2021-11-29 | 2023-09-26 | 青岛伊克斯达智能装备有限公司 | Internal rotation type waste rubber and plastic thermal cracking equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101619779B (en) | Sealing device for buried pipe connected with protective well | |
| CN209819010U (en) | Anticorrosive type expansion joint device | |
| CN113883352A (en) | Prefabricated heat preservation double-deck return bend | |
| CN210600695U (en) | Anti-corrosion direct-buried heat-insulation pipe | |
| CN211310818U (en) | Carbon steel lining tetrafluoro anticorrosion oil filling riser | |
| CN213871663U (en) | High-temperature high-pressure sleeve type compensator | |
| CN102466108B (en) | Novel corrosion-resisting expansion appliance for pipelines | |
| CN211449918U (en) | Glass fiber reinforced plastic composite pipeline | |
| CN204328236U (en) | The standoff new type compound Glass Steel Tube of a kind of band | |
| CN211875396U (en) | Explosion-proof high pressure resistant rotary compensator | |
| CN107061914A (en) | A kind of bellows expansion joint | |
| CN209943705U (en) | Heat transfer stainless steel pipe for corrosion-resistant device | |
| CN210344658U (en) | Carbonization wear-resistant elbow | |
| CN213576247U (en) | Pipeline engineering anticorrosion heat preservation pipe | |
| CN201599527U (en) | Corrugated pipe expansion joint and corrugated pipe thereof | |
| CN105179849A (en) | Anti-sedimentation joint structure of buried heat preservation steel pipes and construction method of anti-sedimentation joint structure | |
| CN207569422U (en) | A kind of Double End compound seal earthenware duct telescopic joint | |
| CN213479501U (en) | Sleeve compensator | |
| CN210600687U (en) | LNG pipeline cold insulation pipe bracket for reducing connecting end cold leakage probability | |
| CN216009965U (en) | Prefabricated heat preservation sealing sleeve compensator | |
| CN208886229U (en) | Band wear resistance lining type metal expansion joint | |
| CN214662584U (en) | Nanometer heat preservation oil pipe with wear-resisting inside lining | |
| CN218378073U (en) | Carbon steel pipe assembly structure with ceramic-lined external plastic coating and alloy pipe welded | |
| CN219492223U (en) | Heat-insulating corrosion-proof special oil-buckling sleeve | |
| CN218992609U (en) | Double-layer anti-corrosion anti-leakage petroleum pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |