CN216813385U - Expansion joint and pipeline - Google Patents
Expansion joint and pipeline Download PDFInfo
- Publication number
- CN216813385U CN216813385U CN202123338470.3U CN202123338470U CN216813385U CN 216813385 U CN216813385 U CN 216813385U CN 202123338470 U CN202123338470 U CN 202123338470U CN 216813385 U CN216813385 U CN 216813385U
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- telescopic
- piece
- expansion
- pipeline
- 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
Images
Landscapes
- Thermal Insulation (AREA)
- Joints Allowing Movement (AREA)
Abstract
The utility model relates to the field of industrial equipment, and discloses an expansion joint and a pipeline adopting the expansion joint. According to the expansion joint and the pipeline adopting the expansion joint, the ductility and the flexibility are improved, the structural stability is improved, the service life is prolonged, and the use convenience is improved by optimizing the structure.
Description
Technical Field
The utility model relates to the field of industrial equipment, in particular to an expansion joint and a pipeline adopting the expansion joint.
Background
The expansion joint is an elastic compensation element capable of freely extending and contracting, and can relieve the dimensional change and displacement of a pipeline or a shell and the like caused by expansion with heat and contraction with cold and the like, so that the pipeline or the shell is prevented from being deformed or damaged due to thermal extension or temperature stress.
The traditional expansion joint is generally formed by matching and wrapping cotton with a covering by using metal materials such as a hoop, a flange and a corrugated pipe, the installation process of the expansion joint is complex, and the phenomena of cotton accumulation, covering damage and the like easily occur in the telescopic deformation process, so that the air tightness and the heat insulation of the expansion joint are reduced, the service life of the expansion joint is influenced, and particularly in the field of high-temperature pipelines such as pipelines with the temperature of more than 800 ℃, boiler smoke pipes and the like, the peripheral temperature of the pipeline is increased due to the structural damage of the expansion joint, and the damage of peripheral equipment is easily caused.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the expansion joint provided by the utility model has the advantages that the ductility and the flexibility are improved, the structural stability is improved, the service life is prolonged, and the use convenience is improved by optimizing the structure.
The utility model also provides a pipeline with the expansion joint.
An expansion joint according to an embodiment of the first aspect of the utility model comprises: the heat insulation device comprises an expansion piece and a heat insulation piece, wherein the expansion piece is provided with a plurality of accommodating parts; the heat preservation piece is arranged on the accommodating part and is integrally connected with the telescopic piece.
The expansion joint according to the embodiment of the first aspect of the utility model has at least the following technical effects:
according to the expansion joint, the heat preservation piece is arranged in the telescopic piece through the accommodating part, so that the heat preservation piece has a heat preservation function and has ductility and flexibility, and is integrally connected with the telescopic piece, the heat preservation piece is prevented from being separated from the telescopic piece, the heat preservation piece is uniformly distributed on the telescopic piece, the structural stability of the heat preservation piece is improved, and the service life is prolonged; the telescopic piece and the heat preservation piece are taken as a whole, and the installation and the use are convenient. Therefore, the expansion joint provided by the embodiment of the utility model has the advantages that the ductility and the flexibility are improved, the structural stability is improved and the service life is prolonged by optimizing the structure.
According to some embodiments of the utility model, the thermal insulating member is made of a thermal insulating cotton material.
According to some embodiments of the utility model, the receptacle is a through-hole structure.
According to some embodiments of the utility model, the thermal insulation member is integrally connected to an inner wall of the receiving portion.
According to some embodiments of the utility model, the telescopic member is composed of a plurality of strips of corrugated-like type, the lowest point of one of said strips being connected to the highest point of another of said strips.
According to some embodiments of the utility model, the telescoping member is made of a spring sheet material.
A conduit according to an embodiment of the second aspect of the utility model comprises an expansion joint of the above embodiments. By adopting the expansion joint disclosed by the embodiment of the first aspect of the utility model, the structure is optimized, the ductility and the flexibility are improved, the structural stability is improved, and the service life is prolonged.
According to some embodiments of the utility model, the telescopic member is a hollow tubular structure, the pipe comprises a shell, and the inner diameter of the telescopic member matches the outer diameter of the shell.
According to some embodiments of the utility model, the upper and lower ends of the telescopic member are provided with a connection ring, respectively.
According to some embodiments of the utility model, the outer wall of the telescopic element is covered with a sealing element, the two ends of which are connected to the two connecting rings, respectively.
Drawings
FIG. 1 is a schematic structural view of an expansion joint in accordance with an embodiment of the first aspect of the present invention;
FIG. 2 is a schematic view of the expansion element of an embodiment of the expansion joint according to the first aspect of the present invention;
fig. 3 is a schematic structural view of a pipe in an embodiment of the second aspect of the present invention.
Reference numerals:
an expansion joint 1; a telescopic member 11; the accommodating portion 111; a heat-insulating member 12;
a pipe 2; and a connection ring 21.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
An expansion joint 1 according to an embodiment of the present invention, and a pipe 2 employing the expansion joint 1, are described below with reference to fig. 1 to 3.
Referring to fig. 1, according to an expansion joint 1 of the first embodiment of the present invention, there is provided an expansion joint 1 comprising a telescopic member 11 and a heat insulating member 12.
As shown in fig. 1 and 2, the telescopic member 11 is provided with a plurality of receiving portions 111, and the receiving portions 111 are embedded in the telescopic member 11, and it should be noted that one receiving portion 111 may be provided as one recess of the telescopic member 11. The heat insulating material 12 is provided on the accommodating portion 111 and integrally connected to the extensible member 11. It can be understood that the thermal insulation members 12 can be arranged in the accommodating portions 111 as a plurality of individual bodies, and the individual thermal insulation members 12 deform along with the deformation of the accommodating portions 111, so as to facilitate reducing the deformation amount of the thermal insulation members 12. The heat preservation part 12 is embedded into the telescopic part 11, the heat preservation part 12 and the telescopic part 11 form a whole, the possibility that the heat preservation part 12 is separated from the telescopic part 11 and accumulated on one side is reduced, the telescopic part 11 is made to be in the telescopic deformation process, the heat preservation part 12 is kept to be uniformly distributed on the telescopic part 11, the whole ductility is improved, and the service life is prolonged. The heat preservation part 12 and the telescopic part 11 are arranged on the pipeline 2, the shell and other equipment as a whole, so that the installation is convenient, and the use convenience can be improved.
In the expansion joint 1 of the embodiment of the utility model, the heat preservation piece 12 is arranged in the expansion piece 11 through the accommodating part 111, so that the heat preservation piece 12 has a heat preservation function and has ductility and flexibility, and is integrally connected with the expansion piece 11, which is beneficial to preventing the heat preservation piece 12 from being separated from the expansion piece 11, so that the heat preservation piece 12 is uniformly distributed on the expansion piece 11, thereby improving the structural stability of the heat preservation piece 12 and prolonging the service life; the telescopic piece 11 and the heat preservation piece 12 are integrated, so that the installation and the use are convenient. Therefore, the expansion joint 1 of the embodiment of the utility model improves the ductility and the flexibility, improves the structural stability, prolongs the service life and improves the use convenience by optimizing the structure.
In some embodiments of the utility model, the insulating member 12 is made of an insulating cotton material. It is understood that the insulating member 12 can be made of glass fiber, aerogel, polymer foam resin, asbestos, rock wool, composite silicate insulating wool, and other insulating materials. It should be noted that, the thermal insulation member 12 is made of a thermal insulation material with a mesh fiber structure, and the thermal insulation member 12 can deform along with the deformation of the extensible member 11, so that the thermal insulation member 12 is prevented from being separated from the extensible member 11 and being stacked together, and the stability of the whole structure is improved.
In some embodiments of the present invention, the accommodating portion 111 is a through hole structure, and a through hole type structure is adopted, so that the telescopic member 11 has good flexibility and resilience in a plurality of directions, such as an axial direction and a radial direction, of the pipe 2. It is understood that the receiving portion 111 may be configured as a groove, and the shape of the groove may be configured as various shapes such as a circle, a square, a polygon, etc.
In some embodiments of the present invention, the thermal insulation member 12 is integrally connected to the inner wall of the accommodating portion 111, so that the outer surface of the thermal insulation member 12 and the outer surface of the expansion member 11 are on the same plane, that is, the thickness of the thermal insulation member 12 is the same as that of the accommodating portion 111, and the thermal insulation member 12 fills the inner cavity of the accommodating portion 111, thereby improving the thermal insulation performance of the expansion joint 1. It will be appreciated that the thickness of the insulating member 12 may also be smaller than the thickness of the receiving portion 111, i.e. the outer surface of the insulating member 12 is embedded in the expansion member 11, thereby improving the expansion and contraction of the expansion joint 1.
In some embodiments of the present invention, the telescopic member 11 is composed of a plurality of corrugated strips, and the lowest point of one strip is connected to the highest point of another strip, so that the elastic corrugated strips are connected by points, which is beneficial to improving the flexibility and resilience of the telescopic member 11 and improving the stability of the structure. It should be noted that the extensible member 11 can be made of a spring plate material such as spring steel, etc., so that the extensible member 11 has the extensibility and the extensibility of a spring, and can be applied to a high-temperature place, particularly an industrial processing place with a temperature of 300 degrees or more, a temperature of 500 degrees or more, a temperature of 800 degrees or more, etc., such as a boiler processing place.
As shown in fig. 3, a pipe 2 according to an embodiment of the second aspect of the present invention includes the expansion joint 1 of the above embodiment. By adopting the expansion joint 1 of the embodiment of the first aspect of the utility model, the heat preservation piece 12 is arranged in the expansion piece 11 through the accommodating part 111, so that the heat preservation piece 12 has a heat preservation function and simultaneously has ductility and flexibility, and is integrally connected with the expansion piece 11, which is beneficial to preventing the heat preservation piece 12 from being separated from the expansion piece 11, so that the heat preservation piece 12 is uniformly distributed on the expansion piece 11, thereby improving the structural stability of the heat preservation piece 12 and prolonging the service life; the telescopic piece 11 and the heat preservation piece 12 are integrated, so that the installation and the use are convenient. According to the pipeline 2 provided by the embodiment of the utility model, the ductility and the flexibility are improved, the structural stability is improved, the service life is prolonged, and the use convenience is improved by optimizing the structure.
In some embodiments of the present invention, the expansion member 11 is a hollow tubular structure, the pipeline 2 includes a pipe shell, the inner diameter of the expansion member 11 matches with the outer diameter of the pipe shell, during the use process, the expansion joint 1 can be directly sleeved on the outer surface of the pipeline 2, the expansion joint 1 is fixed on the pipeline 2 by its own elasticity, and then the pipeline 2 is installed on the equipment.
When the expansion member 11 is an open structure, such as a sheet structure or an arc groove with an opening, the expansion joint 1 may be wrapped around the outer wall of the pipeline 2 and fixed to the pipeline 2 by means of flanges or wires. The above structure of the expansion joint 1 is suitable for attaching the expansion joint 1 to the pipe 2 already installed in the equipment, and also can be applied to the case where the expansion joint 1 is attached to the pipe 2 first and then installed in the equipment.
In some embodiments of the present invention, the upper end and the lower end of the expansion member 11 are respectively provided with a connection ring 21, so as to facilitate the installation and use of the expansion joint 1.
In some embodiments of the present invention, the outer wall of the expansion element 11 is covered with a sealing member, and both ends of the sealing member are respectively connected to the two connection rings 21, so as to further improve the air tightness and thermal insulation of the expansion joint 1. It will be appreciated that the seal may be made of skin, plastic film, high temperature resistant film, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An expansion joint, comprising:
a telescopic member provided with a plurality of accommodating portions;
the heat preservation piece is arranged on the accommodating part and is integrally connected with the telescopic piece.
2. The expansion joint of claim 1, wherein said insulation is made of an insulating cotton material.
3. The expansion joint according to claim 1, wherein the receiving portion is a through-hole structure.
4. The expansion joint according to claim 3, wherein the heat retaining member is integrally connected to an inner wall of the receiving portion.
5. An expansion joint according to claim 3, wherein the telescopic member is composed of a plurality of strips of a corrugated-like type, the lowest point of one of the strips being connected to the highest point of another of the strips.
6. An expansion joint according to claim 5, wherein the expansion element is made of a spring sheet material.
7. A duct, comprising: an expansion joint according to any one of claims 1 to 6.
8. A pipeline according to claim 7, wherein the telescopic member is of a hollow tubular configuration, the pipeline comprising a shell, the inner diameter of the telescopic member matching the outer diameter of the shell.
9. A duct according to claim 8, wherein the upper and lower ends of the telescopic member are provided with respective connection rings.
10. A pipe according to claim 9, wherein the outer wall of the telescopic member is covered with a sealing member, both ends of which are connected to the two connection rings, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123338470.3U CN216813385U (en) | 2021-12-27 | 2021-12-27 | Expansion joint and pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123338470.3U CN216813385U (en) | 2021-12-27 | 2021-12-27 | Expansion joint and pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216813385U true CN216813385U (en) | 2022-06-24 |
Family
ID=82056855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123338470.3U Active CN216813385U (en) | 2021-12-27 | 2021-12-27 | Expansion joint and pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216813385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251533A (en) * | 2021-12-27 | 2022-03-29 | 广州珠江天然气发电有限公司 | Expansion joint and pipeline |
-
2021
- 2021-12-27 CN CN202123338470.3U patent/CN216813385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251533A (en) * | 2021-12-27 | 2022-03-29 | 广州珠江天然气发电有限公司 | Expansion joint and pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6296282B1 (en) | Articulated connecting element for piping elements | |
| CN216813385U (en) | Expansion joint and pipeline | |
| CN214274755U (en) | Vacuum thermal insulation pipe | |
| CN112555524A (en) | Vacuum thermal insulation pipe | |
| EP3798495B1 (en) | Insulation device for low-temperature pipe | |
| CN108662342A (en) | A kind of vacuum heat insulating low-temperature pipe road vacuum ripple expansion joint | |
| CN114251533A (en) | Expansion joint and pipeline | |
| CN112377725A (en) | Vacuum tube | |
| CN213809447U (en) | Pipeline compensator | |
| KR101329983B1 (en) | A non-metallic expansion joint | |
| KR101283425B1 (en) | Joint of pipe with earthquake-resistant forced constitution | |
| CN212776201U (en) | Compensator with guide support elastic ring | |
| KR20170120457A (en) | Hvac duct using vacuum insulation panel and its joint structure | |
| CN211040089U (en) | L NG metal expansion joint | |
| CN206290911U (en) | Pipeline with insulation construction | |
| CN220623042U (en) | Thermal insulation compression-resistant stainless steel pipe | |
| CN211040085U (en) | Marine rubber expansion joint | |
| CN220817012U (en) | Heat preservation structure component for high-temperature water pipeline of clean room | |
| CN220015314U (en) | Anti-deformation exhaust corrugated pipe | |
| CN216897780U (en) | Water heater | |
| CN214146869U (en) | Novel metal corrugated pipe | |
| CN211040087U (en) | Rubber low-temperature soft connection structure | |
| CN216112590U (en) | Long-acting heat-resistant halogen-free flame-retardant corrugated pipe | |
| CN213713307U (en) | Connecting pipe for air conditioner and air conditioner | |
| CN210890472U (en) | Gas bellows |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |