CN218208372U - Flue expansion joint structure - Google Patents
Flue expansion joint structure Download PDFInfo
- Publication number
- CN218208372U CN218208372U CN202222103323.6U CN202222103323U CN218208372U CN 218208372 U CN218208372 U CN 218208372U CN 202222103323 U CN202222103323 U CN 202222103323U CN 218208372 U CN218208372 U CN 218208372U
- Authority
- CN
- China
- Prior art keywords
- frame
- main frame
- connecting end
- plate
- expansion joint
- 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
- Building Environments (AREA)
Abstract
The utility model discloses a flue expansion joint structure, which comprises a first frame, a second frame, an elastic skin layer and an elastic sealing plate; the first frame comprises a first main frame and the second frame comprises a second main frame; the elastic skin layer is connected to the outer sides of the first main frame and the second main frame; the elastic sealing plate is connected to the inner sides of the first main frame and the second main frame; the elastic sealing plate comprises a first connecting end, a main plate with a bending part and a second connecting end; the first connecting end is connected with the first main frame, and the second connecting end is connected with the second main frame; a first leveling anticorrosive layer is arranged between the first connecting end and the first main frame, and a second leveling anticorrosive layer is arranged between the second connecting end and the second main frame. The utility model provides a flue expansion joint structure, simple to operate, sealing performance and corrosion resisting property are good, have prolonged life.
Description
Technical Field
The utility model relates to a technical field is connected to the flue, especially relates to a flue expansion joint structure.
Background
The flue expansion joint is used for connecting the upper flue and the lower flue. When high-temperature flue gas flows in the flue, the flue can expand with heat and contract with cold to generate displacement. The purpose of the flue expansion joint is to automatically accommodate the displacement of the flue.
Chinese utility model patent with publication number CN206469279U discloses a high temperature flue expansion joint self-adaptation insulation construction, and its elastic joint is installed between two sections flues, still installs sealed steel sheet on every section flue, leans on two sections sealed steel sheets to seal, still need consider the sliding assembly of two sections sealed steel sheets, and the structure is complicated, inconvenient installation.
In view of this, it is necessary to provide a flue expansion joint structure with simple structure and convenient installation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a simple structure, easy to assemble's flue expansion joint structure.
The technical scheme of the utility model provides a flue expansion joint structure, which comprises a first frame, a second frame, an elastic skin layer and an elastic sealing plate;
the first frame comprises a first main frame used for being connected with one section of flue, and the second frame comprises a second main frame used for being connected with the other section of flue;
the elastic skin layer is connected to the outer sides of the first main frame and the second main frame;
the elastic sealing plate is connected to the inner sides of the first main frame and the second main frame;
the elastic sealing plate comprises a first connecting end, a main plate with a bending part and a second connecting end which are sequentially connected;
the first connecting end is connected with the first main frame, and the second connecting end is connected with the second main frame;
a first leveling anticorrosive layer is arranged between the first connecting end and the first main frame, and a second leveling anticorrosive layer is arranged between the second connecting end and the second main frame.
In one optional technical scheme, the first leveling anticorrosive layer and the second leveling anticorrosive layer are glass scale layers respectively.
In one optional technical scheme, a first screw rod extending inwards is arranged on the first main frame, and a second screw rod extending inwards is arranged on the second main frame;
the first leveling anticorrosive layer and the first connecting end are respectively sleeved on the first screw rod, and the first connecting end is locked by a first locking nut;
the second leveling anticorrosive layer and the second connecting end are respectively sleeved on the second screw rod, and the second connecting end is locked through a second locking nut.
In one optional technical scheme, a first base plate is arranged between the first locking nut and the first connecting end, and a second base plate is arranged between the second locking nut and the second connecting end.
In one optional technical scheme, the elastic sealing plate is a silica gel plate.
In one optional embodiment, the elastic skin layer includes an outwardly convex arc portion.
In an optional technical solution, the first frame further includes a first sub-frame connected to an outer circumferential surface of the first main frame, and the second frame further includes a second sub-frame connected to an outer circumferential surface of the second main frame;
the elastic skin layer is connected between the first sub-frame and the second sub-frame.
In one optional technical solution, the first sub-frame is provided with a first extending plate extending towards the second sub-frame, and the second sub-frame is provided with a second extending plate extending towards the first sub-frame;
the second extension plate is overlapped with the first extension plate, and a preset gap is reserved between the second extension plate and the first extension plate.
In one optional technical scheme, a filling cavity is formed among the first sub-frame, the elastic skin layer, the second sub-frame, the second extension plate and the first extension plate;
and the filling cavity is filled with a heat insulation layer.
In one optional technical scheme, the heat insulation layer is a heat insulation cotton felt layer.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a flue expansion joint structure, elasticity skin layer are connected in the outside of first main frame and second main frame, and the inboard at first main frame and second main frame is connected to the elastic sealing plate, and the elastic sealing plate both plays sealed effect, but the displacement of two sections flues of self-adaptation again. Through configuration first anticorrosive coating and the anticorrosive coating of making level, be convenient for correspond first link, the second link of elastic sealing plate with first main frame, second main frame and be connected on the one hand, on the other hand has improved first link, second link and first main frame, the second main frame and has corresponded the sealing performance and the corrosion resisting property of junction, does benefit to increase of service life.
To sum up, the utility model provides a flue expansion joint structure, simple to operate, sealing performance and corrosion resisting property are good, have prolonged life.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a cross-sectional view of a flue expansion joint structure according to an embodiment of the present invention;
fig. 2 is a partial view of fig. 1.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, an embodiment of the present invention provides a flue expansion joint structure, which includes a first frame 1, a second frame 2, an elastic skin layer 3, and an elastic sealing plate 4.
The first frame 1 comprises a first main frame 11 for connection with one length of flue duct and the second frame 2 comprises a second main frame 21 for connection with another length of flue duct.
The elastic skin layer 3 is connected to the outer sides of the first main frame 11 and the second main frame 21.
The elastic sealing plate 4 is connected to the inside of the first main frame 11 and the second main frame 21.
Wherein, the elastic sealing plate 4 includes a first connection end 41, a main plate 42 having a bending portion 421, and a second connection end 43 which are connected in sequence.
The first connection end 41 is connected to the first main frame 11, and the second connection end 43 is connected to the second main frame 21.
A first leveling anticorrosive layer 5 is arranged between the first connecting end 41 and the first main frame 11, and a second leveling anticorrosive layer 6 is arranged between the second connecting end 43 and the second main frame 21.
The utility model provides a flue expansion joint structure for connect adjacent both ends flue. The flue expansion joint structure comprises a first frame 1, a second frame 2, an elastic masking layer 3, an elastic sealing plate 4, a first leveling anticorrosive coating 5 and a second leveling anticorrosive coating 6.
The first frame 1 and the second frame 2 can be square frames or round frames, which are matched with the shape of the flue.
The first frame 1 is used for connecting one section of flue at one end, and the second frame 2 is used for connecting the other section of flue.
The elastic skin layer 3 is a skin with elastic deformation capability, and can adopt an elastic plate, a steel wire mesh and the like. When the steel wire mesh is adopted, glass fiber is added into the steel wire mesh, and a sealing film is coated on the inner surface and the outer surface of the steel wire mesh. The outside at first frame 1 and second frame 2 is connected to elasticity skin layer 3, and the one end and the first frame 1 of elasticity skin layer 3 are connected, and its other end and second frame 2 are connected. The elastic skin layer 3 can make adaptive tensile deformation when the first frame 1 and the second frame 2 move.
The elastic sealing plate 4 is a metal plate or a metal sheet, and is connected to the inner sides of the first frame 1 and the second frame 2 to seal the gap between the first frame 1 and the second frame 2, so as to prevent the smoke from overflowing.
The elastic sealing plate 4 includes a first connecting end 41, a main board 42 and a second connecting end 43, the first connecting end 41, the main board 42 and the second connecting end 43 are connected in sequence, and the first connecting end 41, the main board 42 and the second connecting end 43 can be integrally formed into the elastic sealing plate 4 by stamping. The main plate 42 has a curved portion 421 protruding inward, so that the elastic sealing plate 4 has elastic deformation capability. A plurality of the bent portions 421 may be disposed on the plate 42 as necessary.
The first leveling anticorrosive layer 5 is arranged on the inner surface of the first main frame 11, and plays a role in leveling and corrosion prevention. The first connection end 41 is connected with the first main frame 11, and the first leveling anticorrosive layer 5 is located between the first connection end 41 and the first main frame 11. The first connection end 41 is attached to the first leveling anti-corrosion layer 5, so that the smoke can be prevented from overflowing from a gap between the first connection end 41 and the first main frame 11, and the first leveling anti-corrosion layer 5 has anti-corrosion performance and can prolong the service life.
The second leveling anticorrosive layer 6 is arranged on the inner surface of the second main frame 21, and plays a role in leveling and corrosion prevention. The second connecting end 43 is connected with the second main frame 21, and the second leveling anticorrosive layer 6 is located between the second connecting end 43 and the second main frame 21. The second connecting end 43 is attached to the second leveling anticorrosive layer 6, so that the smoke can be prevented from overflowing from the gap between the second connecting end 43 and the second main frame 21, the second leveling anticorrosive layer 6 has anticorrosive performance, and the service life can be prolonged.
The first leveling anticorrosive layer 5 and the second leveling anticorrosive layer 6 can be made of corrosion-resistant materials.
The first connecting end 41 can be connected with the first main frame 11 through bolts, and clamps the first leveling anticorrosive layer 5 in the middle. The second connecting end 43 can be connected with the second main frame 21 through bolts, and clamps the second leveling anticorrosive layer 6 in the middle.
Therefore, the utility model provides a flue expansion joint structure, simple to operate, sealing performance and corrosion resisting property are good, have prolonged life.
In one embodiment, the first leveling anticorrosive layer 5 and the second leveling anticorrosive layer 6 are glass scale layers, and are resistant to high temperature and corrosion.
In one embodiment, as shown in fig. 1-2, the first main frame 11 is provided with a first screw 14 extending inwards, and the second main frame 21 is provided with a second screw 24 extending inwards.
The first leveling anticorrosive layer 5 and the first connection end 41 are respectively sleeved on the first screw 14, and the first connection end 41 is locked by the first locking nut 15.
The second leveling anticorrosive layer 6 and the second connecting end 43 are respectively sleeved on the second screw rod 24, and the second connecting end 43 is locked by the second locking nut 25.
In this embodiment, the first screw 14 is provided in the first main frame 11, and the second screw 24 is provided in the second main frame 21. Holes are formed in the first leveling anticorrosive layer 5, the second leveling anticorrosive layer 6, the first connecting end 41 and the second connecting end 43 in advance.
The first leveling anticorrosive layer 5 and the first connecting end 41 are sleeved on the first screw rod 14 respectively according to the sequence, and then the first locking nut 15 is screwed, so that the assembly, disassembly and maintenance are convenient.
And the second leveling anticorrosive layer 6 and the second connecting end 43 are sequentially sleeved on the second screw rod 24 respectively, and then the second locking nut 25 is screwed down, so that the assembly, the disassembly and the maintenance are convenient.
In one embodiment, as shown in fig. 1-2, a first shim plate 16 is disposed between the first lock nut 15 and the first connection end 41, and a second shim plate 26 is disposed between the second lock nut 25 and the second connection end 43.
In this embodiment, the first cushion plate 16 is configured to prevent the first lock nut 15 from directly pressing on the first connection end 41. By configuring the second shim plate 26, the second lock nut 25 is prevented from pressing directly on the second connection end 43.
In one embodiment, the elastic sealing plate 4 is a silica gel plate, and has the advantages of good elastic effect, high temperature resistance and aging resistance.
In one embodiment, as shown in fig. 1-2, the elastic skin layer 3 includes an outwardly convex arc 31 to provide the elastic skin layer 3 with a certain amount of elastic deformation to adapt to the movement of the flue.
In one embodiment, as shown in fig. 1-2, the first frame 1 further includes a first sub-frame 12 attached to an outer circumferential surface of the first main frame 11, and the second frame 2 further includes a second sub-frame 22 attached to an outer circumferential surface of the second main frame 21.
The elastic skin layer 3 is connected between the first sub-frame 12 and the second sub-frame 22.
In this embodiment, a first sub-frame 12 is coupled to an outer circumferential surface of the first main frame 11, and the first sub-frame 12 is arranged around the outer circumferential surface of the first main frame 11. The first sub-frame 12 may be a frame plate fitted over an outer circumferential surface of the first main frame 11.
A second sub frame 22 is provided on an outer circumferential surface of the second main frame 21, and the second sub frame 22 is arranged around the outer circumferential surface of the second main frame 21. The second sub-frame 22 may be a frame plate fitted over an outer circumferential surface of the second main frame 21.
The elastic skin layer 3 is connected between the end edges of the first sub-frame 12 and the second sub-frame 22.
Specifically, the first sub-frame 12 has a first mounting plate 121 at its distal edge, and the second sub-frame 22 has a second mounting plate 221 at its distal edge.
The first end of the elastic skin layer 3 is connected to the first mounting plate 121 by the first connecting bolt 8. A first coupling nut is disposed on the first coupling bolt 8, and a first spacer is disposed between the bolt head of the first coupling bolt 8 and the first end of the elastic skin layer 3.
The second end of the elastic skin layer 3 is attached to the second mounting plate 221 by a second attachment bolt 9. A second coupling nut is disposed on the second coupling bolt 9, and a second spacer is disposed between the bolt head of the second coupling bolt 9 and the second end of the elastic skin layer 3.
In one embodiment, as shown in fig. 1-2, the first sub-frame 12 is provided with a first extension plate 13 extending towards the second sub-frame 22, and the second sub-frame 22 is provided with a second extension plate 23 extending towards the first sub-frame 12. The second extension plate 23 overlaps the first extension plate 13, and a predetermined gap is reserved between the second extension plate 23 and the first extension plate 13.
In this embodiment, the first sub-frame 12 is provided with a first extension plate 13, which is close to the first main frame 11 and extends toward the second sub-frame 22. The first extension plate 13 follows the shape of the first sub-frame 12, and the first extension plate 13 may be a circular sleeve or a square sleeve.
The second sub-frame 22 is provided with a second extension plate 23 which is substantially flush with the second main frame 21 and extends toward the first sub-frame 12. The second extension plate 23 follows the shape of the second subframe 22, and the second extension plate 23 may be a circular sleeve or a square sleeve.
After being mounted in place, the second extension plate 23 is lapped on the first extension plate 13, that is, the sleeve-shaped first extension plate 13 is inserted into the sleeve-shaped second extension plate 23. The second extension plate 23 overlaps the first extension plate 13 by a certain distance. When the two flues are displaced, the second extension board 23 and the first extension board 13 can move relatively, but can not be completely separated.
In the radial direction, a certain gap is formed between the second extension plate 23 and the first extension plate 13, so as to leave a certain space for elastic deformation of the plate material.
In one embodiment, as shown in fig. 1-2, a fill cavity is formed between the first sub-frame 12, the elastic skin layer 3, the second sub-frame 22, the second extension panel 23, and the first extension panel 13. The filling cavity is filled with a heat insulation layer 7 which plays a heat insulation role and prevents heat of smoke from flowing out of a space between the first subframe 12 and the second subframe 22.
In one embodiment, the heat insulation layer 7 is a heat insulation cotton felt layer, and is high-temperature resistant and good in heat insulation effect.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A flue expansion joint structure is characterized by comprising a first frame, a second frame, an elastic skin layer and an elastic sealing plate;
the first frame comprises a first main frame used for being connected with one section of flue, and the second frame comprises a second main frame used for being connected with the other section of flue;
the elastic skin layer is connected to the outer sides of the first main frame and the second main frame;
the elastic sealing plate is connected to the inner sides of the first main frame and the second main frame;
the elastic sealing plate comprises a first connecting end, a main plate with a bending part and a second connecting end which are sequentially connected;
the first connecting end is connected with the first main frame, and the second connecting end is connected with the second main frame;
a first leveling anticorrosive layer is arranged between the first connecting end and the first main frame, and a second leveling anticorrosive layer is arranged between the second connecting end and the second main frame.
2. The flue expansion joint structure of claim 1, wherein the first and second leveling erosion resistant layers are each glass scale layers.
3. The flue expansion joint structure of claim 1, wherein the first main frame is provided with a first screw rod extending inwards, and the second main frame is provided with a second screw rod extending inwards;
the first leveling anticorrosive layer and the first connecting end are respectively sleeved on the first screw rod, and the first connecting end is locked by a first locking nut;
the second leveling anticorrosive layer and the second connecting end are respectively sleeved on the second screw rod, and the second connecting end is locked by a second locking nut.
4. The flue expansion joint structure of claim 3, wherein a first backing plate is disposed between the first locking nut and the first connection end, and a second backing plate is disposed between the second locking nut and the second connection end.
5. The flue expansion joint structure of claim 1, wherein the elastic sealing plate is a silicone plate.
6. The flue expansion joint structure of claim 1, wherein the elastomeric skin layer includes an outwardly convex arcuate portion.
7. The flue expansion joint structure of any one of claims 1-6,
the first frame further comprises a first sub-frame connected to an outer circumferential surface of the first main frame, and the second frame further comprises a second sub-frame connected to an outer circumferential surface of the second main frame;
the elastic skin layer is connected between the first sub-frame and the second sub-frame.
8. The flue expansion joint structure of claim 7, wherein the first sub-frame is provided with a first extension plate extending toward the second sub-frame, and the second sub-frame is provided with a second extension plate extending toward the first sub-frame;
the second extending plate is overlapped with the first extending plate, and a preset gap is reserved between the second extending plate and the first extending plate.
9. The flue expansion joint structure of claim 8,
a filling cavity is formed among the first subframe, the elastic skin layer, the second subframe, the second extension plate and the first extension plate;
and the filling cavity is filled with a heat insulation layer.
10. The flue expansion joint structure of claim 9, wherein the insulation layer is an insulating cotton felt layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103323.6U CN218208372U (en) | 2022-08-10 | 2022-08-10 | Flue expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103323.6U CN218208372U (en) | 2022-08-10 | 2022-08-10 | Flue expansion joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218208372U true CN218208372U (en) | 2023-01-03 |
Family
ID=84656011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222103323.6U Active CN218208372U (en) | 2022-08-10 | 2022-08-10 | Flue expansion joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218208372U (en) |
-
2022
- 2022-08-10 CN CN202222103323.6U patent/CN218208372U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218208372U (en) | Flue expansion joint structure | |
| CN109269341B (en) | Heat exchanger | |
| CN217540067U (en) | Pipeline compensator that leakproofness is good | |
| CN212461283U (en) | Anti-crushing insulating gasket structure | |
| CN212717964U (en) | Insulating gasket with lining structure | |
| EP1914360A1 (en) | Assembly of two building members, a retaining element and a covering element and use thereof | |
| CN211502010U (en) | Flexible expansion joint for desulfurization flue system | |
| CN210464176U (en) | Heat exchange tube and heat exchanger with same | |
| CN215336256U (en) | Steam-water connecting pipe sealing structure of boiler | |
| CN217355935U (en) | Flame-retardant plastic-coated metal hose | |
| CN210658748U (en) | Waterproof construction structure of building gap | |
| CN220523571U (en) | Metal ripple compensator | |
| CN217030410U (en) | Double-layer protection leakage-proof metal expansion joint | |
| CN210067163U (en) | Scalability aluminum curtain wall | |
| CN213712276U (en) | Efficient wear-resistant metal expansion joint | |
| CN210067196U (en) | Indoor ceiling structure | |
| CN220668745U (en) | High temperature resistant PE pipe connection structure | |
| CN215857227U (en) | External elastic sealing waterproof device for fork ear type inhaul cable | |
| CN217087372U (en) | Power protection tube with good thermal deformation resistance | |
| CN216555921U (en) | Anticorrosive tetrafluoro expansion joint convenient to assemble and install | |
| CN217581796U (en) | Outdoor aluminum profile window sleeve with adjustable in-out position | |
| CN220849695U (en) | Open cut tunnel lining expansion joint protection structure and open cut tunnel | |
| CN216112631U (en) | Combined sleeve | |
| CN209343922U (en) | A kind of transformer monomer-type low pressure double-seal casing pipe | |
| CN216280089U (en) | Oil pipe structure with good sealing performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |