CN220581975U - Sealed heat-insulating hinge expansion joint - Google Patents
Sealed heat-insulating hinge expansion joint Download PDFInfo
- Publication number
- CN220581975U CN220581975U CN202322251462.8U CN202322251462U CN220581975U CN 220581975 U CN220581975 U CN 220581975U CN 202322251462 U CN202322251462 U CN 202322251462U CN 220581975 U CN220581975 U CN 220581975U
- Authority
- CN
- China
- Prior art keywords
- hinge
- corrugated pipe
- expansion joint
- pipe
- working
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- 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.)
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- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000007787 solid Substances 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims 1
- 230000002262 irrigation Effects 0.000 claims 1
- 238000003973 irrigation Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a sealed heat-insulating hinge expansion joint, which relates to the technical field of expansion joint compensation and comprises a flange, wherein a connecting pipe is fixedly arranged on the inner wall of the flange, a working corrugated pipe is fixedly arranged between the two connecting pipes, the working corrugated pipe adopts a thin-wall multilayer structure, an outer layer of the connecting pipe is fixedly provided with a vertical plate, the vertical plate is respectively provided with a hinge plate and a hinge plate, the hinge plate and the hinge plate are rotationally connected through nuts and pin shafts, one end of a fixed ring is fixedly arranged on the inner layer of the connecting pipe, connecting rings are fixedly arranged at the other ends of the two fixed rings, a sealing corrugated pipe is fixedly connected between the two connecting rings, a sealing cavity is formed between the sealing corrugated pipe and the working corrugated pipe, and flexible heat-insulating materials are filled in the sealing cavity.
Description
Technical Field
The utility model relates to the technical field of expansion joint compensation, in particular to a sealing heat-insulating hinge expansion joint.
Background
The expansion joint is two flexible structures which are arranged on a container shell or a pipeline for compensating additional stress caused by temperature difference and mechanical vibration, and has the advantages of reliable operation, good performance, compact structure and the like because the expansion joint is used as two elastic compensation elements which can be freely stretched, is widely applied to the departments of chemical industry, metallurgy, nuclear energy and the like, and is frequently used on a hot air furnace tube way in the steel industry, but the prior art has no space for displacement deformation and can protect a corrugated pipe from being directly contacted and corroded by a high-temperature medium, so the sealing heat insulation type hinge expansion joint is disclosed to meet the demands.
Disclosure of Invention
The utility model aims to provide a sealed heat-insulating hinge expansion joint so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sealed thermal-insulated formula hinge expansion joint, includes the ring flange, ring flange inner wall fixed mounting has the connecting pipe, two fixed mounting has the work bellows between the connecting pipe, the work bellows adopts thin wall multilayer structure, the outer fixed mounting of connecting pipe has the riser, be equipped with hinge springboard and hinge plate on the riser respectively, hinge springboard and hinge plate pass through nut and round pin axle rotation connection, the inlayer fixed mounting of connecting pipe has the one end of solid fixed ring, two gu fixed ring's the other end fixed mounting has the go-between, two fixedly connected with seal bellows between the go-between, seal bellows with constitute sealed chamber between the work bellows, flexible insulating material is filled to sealed intracavity.
Preferably, the connecting pipe and the inner wall of the fixing ring in the pipe inner direction are respectively provided with an anchoring hook for grabbing and fixing the poured refractory mortar.
Preferably, the hinge springboard adopts a double-layer bearing structure, and the hinge plate is arranged between the hinge springboard double layers.
Preferably, the working corrugated pipe is provided with working corrugated pipe wave crests, the sealing corrugated pipe is provided with flange plate wave crests, and the wave distance sum wave crests of the sealing corrugated pipe are larger than the wave distance sum wave crests of the working corrugated pipe.
Preferably, the connecting pipe is provided with a containing groove for welding the working corrugated pipe.
The utility model has the technical effects and advantages that:
1. the utility model has reasonable structure, when the high-temperature medium arrives at the expansion joint in the actual use process, the working corrugated pipe and the sealing corrugated pipe deform, the sealing corrugated pipe compensates the deformation space of the working corrugated pipe, the displacement deformation of the product is ensured, the working corrugated pipe drives the hinge plate and the hinge springboard to deflect around the pin shaft, the high-temperature medium is isolated by the flexible heat insulation material filled in the sealing cavity through the conduction temperature, the working corrugated pipe is not directly contacted with the high-temperature medium, the temperature of the working corrugated pipe is greatly reduced, the working corrugated pipe adopts a thin-wall multi-layer structure, the service life of the product is prolonged, and the replacement period of the expansion joint is prolonged.
2. According to the utility model, the anchoring hooks are arranged to grab and fix the poured refractory mortar, so that the heat insulation effect is better ensured, and the service life of the product is prolonged.
3. According to the utility model, the displacement deformation of the working corrugated pipe can be better compensated by arranging the sealing corrugated pipe with the wave distance and the wave crest larger than those of the working corrugated pipe, and the use effect of the product is improved.
Drawings
FIG. 1 is a schematic diagram of a front view of a sealed and insulated hinge expansion joint;
FIG. 2 is a schematic cross-sectional view of a sealed and insulated hinge expansion joint;
fig. 3 is an enlarged schematic view of the structure at a shown in fig. 2.
In the figure: 1. a flange plate; 2. a connecting pipe; 3. working corrugated pipes; 4. a vertical plate; 5. a hinged springboard; 6. a hinge plate; 7. a nut; 8. a pin shaft; 9. an anchor hook; 10. a fixing ring; 11. sealing the cavity; 12. a connecting ring; 13. sealing the bellows.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a sealed heat-insulating hinge expansion joint as shown in figures 1-3, which comprises a flange plate 1, wherein a connecting pipe 2 is fixedly arranged on the inner wall of the flange plate 1, a working corrugated pipe 3 is fixedly arranged between the two connecting pipes 2, the working corrugated pipe 3 adopts a thin-wall multilayer structure, a vertical plate 4 is fixedly arranged on the outer layer of the connecting pipe 2, a hinge plate 5 and a hinge plate 6 are respectively arranged on the vertical plate 4, the hinge plate 5 and the hinge plate 6 are rotationally connected through nuts 7 and pin shafts 8, one ends of fixing rings 10 are fixedly arranged on the inner layer of the connecting pipe 2, connecting rings 12 are fixedly arranged at the other ends of the two fixing rings 10, a sealing corrugated pipe 13 is fixedly connected between the two connecting rings 12, a sealing cavity 11 is formed between the sealing corrugated pipe 13 and the working corrugated pipe 3, flexible heat-insulating materials are filled in the sealing cavity 11, in the actual use process, after the high-temperature medium reaches the expansion joint, the working corrugated pipe 3 and the sealing corrugated pipe 13 deform due to thermal expansion caused by environmental temperature change, the deformation space of the working corrugated pipe 3 is compensated, the displacement deformation of the product is guaranteed, the working corrugated pipe 3 drives the hinge plate 6 and the hinge plate 5 to pass through the sealing corrugated pipe 3 and are directly contacted with the high-temperature medium through the sealing corrugated pipe 11, the high-temperature medium is prevented from being directly connected with the sealing corrugated pipe 3, and the sealing corrugated pipe 3 is greatly prolonged, and the service life is prolonged, and the service life of the working corrugated pipe is greatly prolonged, and the life is prolonged.
In this example, all be equipped with on the inner wall of connecting pipe 2 and solid fixed ring 10 to intraductal direction and be used for grabbing the anchor hook 9 of solid refractory mortar after the watering, can grab the refractory mortar of solid watering through setting up anchor hook 9, better assurance thermal-insulated effect improves the life of product.
In this example, the working bellows 3 is provided with 3 wave crests of the working bellows, the sealing bellows 13 is provided with 1 wave crest of the flange, the wave distance sum wave crest of the sealing bellows 13 is larger than the wave crest sum wave crest of the working bellows 3, and displacement deformation of the working bellows 3 can be compensated better by setting the wave distance sum wave crest to be larger than the sealing bellows 13 of the working bellows 3.
The working principle of the utility model is as follows: in the actual use process, after a high-temperature medium arrives at the expansion joint, the working corrugated pipe 3 and the sealing corrugated pipe 13 deform, the sealing corrugated pipe 13 compensates the deformation space of the working corrugated pipe 3, the displacement deformation of a product is guaranteed, the working corrugated pipe 3 drives the hinge plate 6 and the hinge springboard 5 to deflect around the pin shaft 8, the high-temperature medium is isolated through a flexible heat insulation material filled in the sealing cavity 11 after being conducted, the working corrugated pipe 3 is not directly contacted with the high-temperature medium, so that the temperature at the working corrugated pipe 3 is greatly reduced, the working corrugated pipe 3 adopts a thin-wall multi-layer structure, the service life of the product is prolonged, and the replacement period of the expansion joint is prolonged;
the working corrugated pipe 3 is provided with 3 wave crests of the working corrugated pipe, the sealing corrugated pipe 13 is provided with 1 wave crest of the flange plate, the wave distance sum and wave crest of the sealing corrugated pipe 13 are larger than the wave crest sum wave crest of the working corrugated pipe 3, and the displacement deformation of the working corrugated pipe 3 can be better compensated by arranging the sealing corrugated pipe 13 with the wave distance sum wave crest being larger than the working corrugated pipe 3, so that the using effect of a product is improved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a sealed thermal-insulated formula hinge expansion joint, includes ring flange (1), its characterized in that: the utility model discloses a flexible heat insulation material sealing device, including ring flange (1), ring flange (1) inner wall fixed mounting has connecting pipe (2), two fixed mounting has work bellows (3) between connecting pipe (2), work bellows (3) adopt thin wall multilayer structure, the outer fixed mounting of connecting pipe (2) has riser (4), be equipped with hinge springboard (5) and hinge board (6) on riser (4) respectively, hinge springboard (5) and hinge board (6) are rotated through nut (7) and round pin axle (8) and are connected, the inlayer fixed mounting of connecting pipe (2) has the one end of solid fixed ring (10), two gu fixed ring (10) other end fixed mounting has go-between (12), two fixedly connected with seal bellows (13) between go-between (12), seal bellows (13) with constitute seal chamber (11) between work bellows (3), seal chamber (11) intussuseption is filled with flexible heat insulation material.
2. The sealed and thermally insulated hinge expansion joint of claim 1, wherein: the inner walls of the connecting pipe (2) and the fixing ring (10) in the direction of the inside of the pipe are respectively provided with an anchoring hook (9) for grabbing and fixing the fire clay after irrigation.
3. The sealed and thermally insulated hinge expansion joint of claim 1, wherein: the hinge springboard (5) adopts a double-layer bearing structure, and the hinge plate (6) is arranged between the double layers of the hinge springboard (5).
4. The sealed and thermally insulated hinge expansion joint of claim 1, wherein: the working corrugated pipe (3) is provided with 3 wave crests of the working corrugated pipe, the sealing corrugated pipe (13) is provided with 1 wave crest of the flange plate, and the wave distance and the wave crest of the sealing corrugated pipe (13) are larger than those of the working corrugated pipe (3).
5. The sealed and thermally insulated hinge expansion joint of claim 4, wherein: the connecting pipe (2) is provided with a containing groove for welding the working corrugated pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251462.8U CN220581975U (en) | 2023-08-21 | 2023-08-21 | Sealed heat-insulating hinge expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251462.8U CN220581975U (en) | 2023-08-21 | 2023-08-21 | Sealed heat-insulating hinge expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581975U true CN220581975U (en) | 2024-03-12 |
Family
ID=90121582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322251462.8U Active CN220581975U (en) | 2023-08-21 | 2023-08-21 | Sealed heat-insulating hinge expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581975U (en) |
-
2023
- 2023-08-21 CN CN202322251462.8U patent/CN220581975U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |