CN211875400U - High-temperature-resistant axial expansion joint - Google Patents
High-temperature-resistant axial expansion joint Download PDFInfo
- Publication number
- CN211875400U CN211875400U CN202020056777.0U CN202020056777U CN211875400U CN 211875400 U CN211875400 U CN 211875400U CN 202020056777 U CN202020056777 U CN 202020056777U CN 211875400 U CN211875400 U CN 211875400U
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- China
- Prior art keywords
- plate
- expansion joint
- wall
- air circulation
- takeover
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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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 27
- 229920000297 Rayon Polymers 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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Abstract
The utility model discloses a high temperature resistance axial expansion joint relates to expansion joint technical field, and is relatively poor at the in-process heat dispersion that uses for solving current axial expansion joint, often can lead to the problem that axial expansion joint damaged because fluid medium's high temperature. The takeover is provided with two, and is provided with the honeycomb duct between two takeovers, the outside of honeycomb duct is provided with the bellows, and the both ends of bellows respectively with two takeovers fixed connection, two all be provided with four otic placodes on the outer wall of takeover, the one end of otic placode is provided with the connecting plate, adjacent two be provided with the pull rod between the otic placode, and the both ends of pull rod respectively with the connecting plate fixed connection of otic placode one end, be provided with the inner bag on the inner wall of takeover, be provided with the mantle plate on the outer wall of takeover, and mantle plate and inner bag all with take over structure as an organic whole, be provided with the cavity groove between inner bag and the mantle.
Description
Technical Field
The utility model relates to an expansion joint technical field specifically is a high temperature resistant axial expansion joint.
Background
Expansion joints are also conventionally called compensators, or expansion joints. It is composed of bellows, end pipe, support, flange and pipe. The expansion joint is a flexible structure provided on the vessel shell or pipe in order to compensate for additional stresses due to temperature differences and mechanical vibrations. The effective telescopic deformation of the working body corrugated pipe is utilized to absorb the dimensional change of pipelines, conduits, containers and the like caused by expansion and contraction due to heat and the like or compensate the axial, transverse and angular displacement of the pipelines, the conduits, the containers and the like. The compensator is arranged on the pipeline to compensate the thermal extension of the pipeline, thereby reducing the stress of the pipeline wall and the acting force acting on the valve member or the bracket structure.
The existing axial expansion joint has poor heat dissipation performance in the use process, and the service life of the axial expansion joint is influenced by the problem that the axial expansion joint is damaged due to overhigh temperature of a fluid medium.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature resistant axial expansion joint to the in-process heat dispersion that the current axial expansion joint that provides in solving above-mentioned background art is using is relatively poor, often can lead to the problem that axial expansion joint damaged because of fluid medium's high temperature.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant axial expansion joint, includes the takeover, the takeover is provided with two, and is provided with the honeycomb duct between two takeovers, the outside of honeycomb duct is provided with the bellows, and the both ends of bellows respectively with two takeover fixed connection, two all be provided with four otic placodes on the outer wall of takeover, the one end of otic placode is provided with the connecting plate, adjacent two be provided with the pull rod between the otic placode, and the both ends of pull rod respectively with the connecting plate fixed connection of otic placode one end.
Preferably, an inner container is arranged on the inner wall of the connecting pipe, an outer sleeve plate is arranged on the outer wall of the connecting pipe, the outer sleeve plate and the inner container are integrated with the connecting pipe into a whole, and a hollow groove is formed between the inner container and the outer sleeve plate.
Preferably, a plurality of air circulation ports are formed in the peripheral outer wall of the outer sleeve plate, and the lower ends of the air circulation ports are communicated with the inside of the hollow groove.
Preferably, the inside of air circulation opening is provided with the grid filter screen, and the vertical central line of grid filter screen and the coincidence of the vertical central line of air circulation opening, the top of grid filter screen is provided with the closing plate.
Preferably, the upper end of the sealing plate is provided with a pull handle, the diameter of the sealing plate is larger than the caliber of the air circulation port, the lower end of the sealing plate is provided with a plug plate, and the plug plate is located inside the air circulation port.
Preferably, outer wall inside grooves are formed in the peripheral outer wall of the plug plate, a magnet plate is arranged inside the outer wall inside grooves, the plug plate is connected with the inner wall of the air circulation port in an adsorption mode through the magnet plate, a sealing ring is arranged at the contact position of the sealing plate and the air circulation port, and the sealing ring is fixedly connected with the sealing plate through viscose glue.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a draw and extract closing plate and cock board on the air circulation mouth, high temperature fluid medium makes the temperature of inner bag uprise, the temperature that the heat dissipation came out flows in the cavity groove, air circulation mouth is opened the back, the inside air of cavity groove can circulate, make the high temperature of accumulating in a plurality of air circulation mouth will cavity groove can discharge, thereby reach the purpose of axial expansion joint high temperature resistance, it is relatively poor at the in-process heat dispersion that uses to have overcome current axial expansion joint, often can lead to the problem that axial expansion joint damaged because fluid medium's high temperature.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
FIG. 3 is an enlarged schematic view of part A of the present invention;
FIG. 4 is a schematic view of the sealing plate structure of the present invention;
in the figure: 1. taking over a pipe; 2. a bellows; 3. a pull rod; 4. an ear plate; 5. a connecting plate; 6. a flow guide pipe; 7. an outer race plate; 8. an inner container; 9. a hollow groove; 10. an air circulation port; 11. a grid filter screen; 12. a sealing plate; 13. pulling a handle; 14. a plug plate; 15. an outer wall inner groove; 16. a magnet plate; 17. and (5) sealing rings.
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.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a high temperature resistant axial expansion joint, including taking over 1, take over 1 and be provided with two, and be provided with honeycomb duct 6 between two takeover 1, the outside of honeycomb duct 6 is provided with bellows 2, and bellows 2's both ends respectively with two 1 fixed connection of takeover, all be provided with four otic placodes 4 on two outer walls of takeover 1, the one end of otic placode 4 is provided with connecting plate 5, be provided with pull rod 3 between two adjacent otic placodes 4, and pull rod 3's both ends respectively with the 5 fixed connection of connecting plate of otic placode 4 one end.
Further, be provided with inner bag 8 on the inner wall of takeover 1, be provided with outer sleeve plate 7 on the outer wall of takeover 1, and outer sleeve plate 7 and inner bag 8 all with takeover 1 structure as an organic whole, be provided with hollow groove 9 between inner bag 8 and the outer sleeve plate 7, the inner bag 8 that sets up on the inner wall of takeover 1 plays the effect of connecting honeycomb duct 6, and outer sleeve plate 7 that sets up on the outer wall of takeover 1 plays the effect of consolidating inner bag 8.
Further, a plurality of air circulation ports 10 are formed in the peripheral outer wall of the outer sleeve plate 7, the lower ends of the plurality of air circulation ports 10 are communicated with the inside of the hollow groove 9, and the plurality of air circulation ports 10 formed in the peripheral outer wall of the outer sleeve plate 7 achieve the purpose of achieving heat dissipation of the inner container 8 through air circulation of the hollow groove 9.
Further, a grill screen 11 is provided inside the airflow opening 10, a vertical center line of the grill screen 11 coincides with a vertical center line of the airflow opening 10, a sealing plate 12 is provided above the grill screen 11, and the grill screen 11 is provided inside the airflow opening 10 to prevent dust from flowing through the airflow opening 10.
Further, the upper end of the sealing plate 12 is provided with a pulling handle 13, the diameter of the sealing plate 12 is larger than the caliber of the air circulation port 10, the lower end of the sealing plate 12 is provided with a plug plate 14, the plug plate 14 is located inside the air circulation port 10, and the pulling handle 13 arranged at the upper end of the sealing plate 12 plays a role in facilitating the sealing plate 12 and the plug plate 14 to be pulled out of the air circulation port 10.
Further, outer wall inner grooves 15 are formed in the peripheral outer wall of the plug plate 14, a magnet plate 16 is arranged inside the outer wall inner grooves 15, the plug plate 14 is connected with the inner wall of the air circulation port 10 in an adsorption mode through the magnet plate 16, a sealing ring 17 is arranged at the contact position of the sealing plate 12 and the air circulation port 10, the sealing ring 17 is fixedly connected with the sealing plate 12 through viscose, and the outer wall inner grooves 15 formed in the peripheral outer wall of the plug plate 14 play a role in bearing the magnet plate 16.
The working principle is as follows: when in use, the connecting pipe 1 is directly welded with the pipeline connecting pipe or welded with a flange and then connected with the pipeline flange, when the axial displacement of the pipeline is absorbed through the flexible deformation of the corrugated pipe 2, and a small amount of transverse and angular displacement exists, and the axial expansion joint starts fluid transportation, if the transported fluid medium is a high-temperature medium, the sealing plate 12 and the plug plate 14 on the air circulation port 10 can be pulled out by the pulling handle 13, the temperature of the inner container 8 is increased by the high-temperature fluid medium, the temperature radiated out flows into the hollow groove 9, when the air vents 10 are opened, the air inside the hollow tank 9 is circulated, so that the air vents 10 discharge the high temperature accumulated in the hollow tank 9, therefore, the purpose of high temperature resistance of the axial expansion joint is achieved, after the temperature is discharged, the sealing plate 12 and the plug plate 14 are installed in the air circulation port 10 again, and the use work of the high temperature resistant axial expansion joint is completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A high temperature resistant axial expansion joint, includes takeover (1), its characterized in that: takeover (1) is provided with two, and is provided with honeycomb duct (6) between two takeover (1), the outside of honeycomb duct (6) is provided with bellows (2), and the both ends of bellows (2) respectively with two takeover (1) fixed connection, two all be provided with four otic placodes (4) on the outer wall of takeover (1), the one end of otic placode (4) is provided with connecting plate (5), adjacent two be provided with pull rod (3) between otic placode (4), and the both ends of pull rod (3) respectively with connecting plate (5) fixed connection of otic placode (4) one end.
2. The high temperature resistant axial expansion joint of claim 1, wherein: the inner wall of the connecting pipe (1) is provided with an inner container (8), the outer wall of the connecting pipe (1) is provided with an outer sleeve plate (7), the outer sleeve plate (7) and the inner container (8) are integrated with the connecting pipe (1), and a hollow groove (9) is formed between the inner container (8) and the outer sleeve plate (7).
3. A high temperature resistant axial expansion joint as claimed in claim 2, wherein: the outer wall around the outer sleeve plate (7) is provided with a plurality of air circulation ports (10), and the lower ends of the air circulation ports (10) are communicated with the inside of the hollow groove (9).
4. A high temperature resistant axial expansion joint as claimed in claim 3, wherein: the inside of air circulation opening (10) is provided with grid filter screen (11), and the vertical center line of grid filter screen (11) and the coincidence of the vertical center line of air circulation opening (10), the top of grid filter screen (11) is provided with closing plate (12).
5. The high temperature resistant axial expansion joint of claim 4, wherein: the upper end of the sealing plate (12) is provided with a pull handle (13), the diameter of the sealing plate (12) is larger than the caliber of the air circulation port (10), the lower end of the sealing plate (12) is provided with a plug plate (14), and the plug plate (14) is located inside the air circulation port (10).
6. The high temperature resistant axial expansion joint of claim 5, wherein: the utility model discloses a stopper plate, including cock board (14), be provided with outer wall inside groove (15) on the outer wall all around of cock board (14), the inside of outer wall inside groove (15) is provided with magnet board (16), and cock board (14) pass through the inner wall adsorption connection of magnet board (16) and air circulation opening (10), the contact position of closing plate (12) and air circulation opening (10) is provided with sealing washer (17), and sealing washer (17) and closing plate (12) pass through viscose fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020056777.0U CN211875400U (en) | 2020-01-13 | 2020-01-13 | High-temperature-resistant axial expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020056777.0U CN211875400U (en) | 2020-01-13 | 2020-01-13 | High-temperature-resistant axial expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211875400U true CN211875400U (en) | 2020-11-06 |
Family
ID=73261599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020056777.0U Expired - Fee Related CN211875400U (en) | 2020-01-13 | 2020-01-13 | High-temperature-resistant axial expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211875400U (en) |
-
2020
- 2020-01-13 CN CN202020056777.0U patent/CN211875400U/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 |
Granted publication date: 20201106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |