CN214222385U - Direct-buried waveform expansion joint - Google Patents
Direct-buried waveform expansion joint Download PDFInfo
- Publication number
- CN214222385U CN214222385U CN202023080703.XU CN202023080703U CN214222385U CN 214222385 U CN214222385 U CN 214222385U CN 202023080703 U CN202023080703 U CN 202023080703U CN 214222385 U CN214222385 U CN 214222385U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- block
- ring flange
- gag lever
- 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
Abstract
The utility model relates to a directly bury formula expansion joint technical field specifically is a directly bury formula waveform expansion joint, through the limit structure, can fix the pipeline in the ring flange fast, when needing to dismantle, only need press and just can take off the pipeline according to the piece, the utility model discloses make things convenient for the quick installation of pipeline to dismantle for when needing to overhaul, can be fast with official with the utility model discloses the separation reduces and dismantles required step and time, overhauls the back that finishes, can be fast with the pipeline with the utility model discloses the installation reduces the required step extrusion time of installation. Through setting up the rubber pad, can pipeline and festival body junction take place to leak, prevent that the loss of inside fluid is extravagant, avoid fluid leakage to cause the corruption to festival body and pipeline, increase the life of festival body and pipeline, reduce the economic expenditure who changes festival body and pipeline.
Description
Technical Field
The utility model relates to a direct-burried expansion joint technical field specifically is a direct-burried waveform expansion joint.
Background
An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage. The expansion joint has many kinds, and the common structures include wave, ring plate welding, clamping shell type and the like, wherein the wave expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions.
The existing direct-buried type waveform expansion joint has the advantages that the number of steps required for disassembly is large, the overhaul time is wasted, after the overhaul is completed, the number of steps required for installation and creep is also large when the installation is performed, the existing direct-buried type waveform expansion joint is connected with a pipeline and is easy to leak, so that internal fluid leaks, the corrosion of the direct-buried type waveform expansion joint and the pipeline is caused, and the service life of the direct-buried type waveform expansion joint and the pipeline is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a direct-burried waveform expansion joint to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a direct-burried waveform expansion joint, is including the festival body and pipeline, festival external side fixed connection ring flange, the inside pipeline that cup joints of ring flange, the inside activity chamber that is provided with of ring flange, the inside restriction structure that is provided with of activity intracavity, ring flange upper end fixed connection fixed block, the inside gag lever post that is provided with of fixed block, the nut is cup jointed in the gag lever post outside, the external side of festival is provided with the rubber pad.
Preferably, the ring flange uses the festival body to be provided with two as central bilateral symmetry, the inside equal longitudinal symmetry of every ring flange is provided with two movable chambers, the inside restriction structure that all is provided with in two movable chambers, two fixed blocks of the equal longitudinal symmetry fixedly connected with in every ring flange outside, it all is provided with the movable groove to correspond the gag lever post in every fixed block, the gag lever post both ends outside all runs through the movable groove and extends to the outside, the gag lever post both ends outside is provided with the external screw thread, the gag lever post both ends outside all is provided with the nut, the gag lever post corresponds the fixed block and is provided with two, the rubber pad sets up to the annular, the rubber pad corresponds the ring flange and is provided with two.
Preferably, the limiting structure comprises a spring, a pushing block, a moving groove, a limiting block, a moving plate, a transmission rod and a pressing block, the spring is located inside the movable cavity, a flange plate is fixedly connected to the outer side end of the spring, the inner side end of the spring is fixedly connected with the pushing block, the limiting block is fixedly connected to the inner side end of the pushing block, penetrates through the flange plate and extends to the outer side, an inclined surface is arranged at the left end of the inner side of the limiting block, the moving groove is arranged in the middle of the right side of the pushing block, an inclined surface is arranged at the outer side of the moving groove, the moving plate is arranged at the right side of the moving groove, the left side of the moving plate is tightly attached to the inclined surface at the outer side of the moving groove, a transmission rod is arranged at the upper end of the right side of the moving plate, a limiting block is fixedly connected to the middle of the left side of the transmission rod, the upper end of the transmission rod penetrates through the flange plate and extends to the outer side, and the pressing block is fixedly connected to the upper end of the pressing block.
Preferably, the pipe is provided with a restriction groove corresponding to the restriction structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through limit structure, can fix the pipeline in the ring flange fast, when needing to dismantle, only need press the piece just can take off the pipeline, the utility model discloses make things convenient for the quick installation of pipeline to dismantle for when needs are overhauld, can be fast with official big with the utility model discloses separate, reduce and dismantle required step and time, overhaul the back that finishes, can be fast with the pipeline with the utility model discloses the installation reduces the required step extrusion time of installation.
2. Through setting up the rubber pad, can pipeline and festival body junction take place to leak, prevent that the loss of inside fluid is extravagant, avoid fluid leakage to cause the corruption to festival body and pipeline, increase the life of festival body and pipeline, reduce the economic expenditure who changes festival body and pipeline.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a schematic diagram of the limiting structure of the present invention.
In the figure: the joint comprises a joint body 1, a flange plate 2, a pipeline 3, a movable cavity 4, a limiting structure 5, a rubber pad 6, a fixed block 7, a limiting rod 8, a nut 9, a spring 51, a pushing block 52, a moving groove 53, a limiting block 54, a moving plate 55, a transmission rod 56 and a pressing block 57.
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 to 3, the present invention provides a technical solution: the utility model provides a direct-burried waveform expansion joint, includes the festival body 1 and pipeline 3, festival 1 outside fixed connection flange 2 of body, 2 inside pipe 3 that cup joint of ring flange, 2 inside movable chamber 4 that are provided with of ring flange, 4 inside restriction structures 5 that are provided with in movable chamber, 2 upper end fixed connection fixed blocks 7 of ring flange, 7 inside gag lever post 8 that are provided with of fixed block, 8 outside cup joint nuts 9 of gag lever post, the 1 outside of the festival body is provided with rubber pad 6.
The limiting structure 5 comprises a spring 51, a pushing block 52, a moving groove 53, a limiting block 54, a moving plate 55, a transmission rod 56 and a pressing block 57, wherein the spring 51 is positioned in the movable cavity 4, the flange 2 is fixedly connected to the outer side end of the spring 51, the pushing block 52 is fixedly connected to the inner side end of the spring 51, the limiting block 54 is fixedly connected to the inner side end of the pushing block 52, the limiting block 54 penetrates through the flange 2 and extends to the outer side, the left end of the inner side of the limiting block 54 is arranged to be an inclined surface, the moving groove 53 is arranged in the middle of the right side of the pushing block 52, the outer side of the moving groove 53 is arranged to be an inclined surface, the moving plate 55 is arranged on the right side of the moving groove 53, the left side of the moving plate 55 is tightly attached to the outer inclined surface of the moving groove 53, the right side of the moving plate 55 is arranged to be an inclined surface, the transmission rod 56 is arranged at the upper end of the right side of the moving plate 55 and is tightly attached to the inclined surface of the moving plate 55, the middle of the left side of the transmission rod 56 is fixedly connected to a limiting block, the transmission rod 56 penetrates through the flange 2 and extends to the outer side, the upper end of the transmission rod 56 is fixedly connected with a pressing block 57, and the limiting structure 5 can conveniently overhaul the joint body 1.
The pipeline 3 is provided with a limiting groove corresponding to the limiting structure 5, and the limiting groove can facilitate the fixation of the joint body 1 and the pipeline 3.
The working principle is as follows:
when in maintenance, the pressing block 57 is pressed inwards, the pressing block 57 pushes the transmission rod 56 to move inwards, the transmission rod 56 pushes the moving plate 55 to the east left through the friction between the bottom and the right inclined surface of the moving plate 55, the moving plate 55 pushes the pushing block 52 to move upwards through the friction between the left side and the outer inclined surface of the moving groove 53, the pushing block 52 drives the limiting block 54 to move upwards, when the restricting blocks 54 leave the restricting grooves in the pipe 3, the pipe 3 can be removed, and after the maintenance is completed, the limiting groove on the pipeline 3 is aligned with the limiting block 54 in the flange 2 to be pushed in, the pipeline 3 pushes the limiting block 54 to return to the movable cavity 4 by the friction of the inclined plane at the bottom of the limiting block 54, when the pipeline 3 is tightly attached to the rubber pad 6, the limiting block 54 is aligned with the limiting groove, the spring 51 pushes the pushing block 52 to move downwards, the pushing block 52 pushes the limiting block 54 to move downwards, and the limiting block 54 clamps the pipeline 3, so that the installation is completed. 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 (4)
1. The utility model provides a direct-burried waveform expansion joint, includes the festival body (1) and pipeline (3), its characterized in that: festival body (1) outside fixed connection ring flange (2), ring flange (2) inside cup joints pipeline (3), and ring flange (2) inside is provided with movable chamber (4), and movable chamber (4) inside is provided with limit structure (5), ring flange (2) upper end fixed connection fixed block (7), fixed block (7) inside is provided with gag lever post (8), and nut (9) are cup jointed in the gag lever post (8) outside, festival body (1) outside is provided with rubber pad (6).
2. A direct-burried waveform expansion joint as claimed in claim 1, characterized in that: ring flange (2) use the festival body (1) to be provided with two as central bilateral symmetry, every ring flange (2) inside equal longitudinal symmetry is provided with two movable chamber (4), two movable chamber (4) inside all is provided with limit structure (5), two fixed block (7) of equal longitudinal symmetry fixedly connected with in every ring flange (2) outside, it all is provided with the movable groove to correspond gag lever post (8) in every fixed block (7), gag lever post (8) both ends outside all runs through the movable groove and extends to the outside, gag lever post (8) both ends outside is provided with the external screw thread, gag lever post (8) both ends outside all is provided with nut (9), gag lever post (8) correspond fixed block (7) and are provided with two, rubber pad (6) set up to the annular, rubber pad (6) correspond ring flange (2) and are provided with two.
3. A direct-burried waveform expansion joint as claimed in claim 1, characterized in that: the limiting structure (5) comprises a spring (51), a push block (52), a moving groove (53), a limiting block (54), a moving plate (55), a transmission rod (56) and a pressing block (57), the spring (51) is positioned in the movable cavity (4), the flange (2) is fixedly connected with the outer side end of the spring (51), the push block (52) is fixedly connected with the inner side end of the spring (51), the limiting block (54) is fixedly connected with the inner side end of the push block (52), the limiting block (54) penetrates through the flange (2) and extends to the outer side, the left end of the inner side of the limiting block (54) is arranged to be an inclined plane, the moving groove (53) is arranged in the middle of the right side of the push block (52), the outer side of the moving groove (53) is arranged to be an inclined plane, the moving plate (55) is arranged on the right side of the moving groove (55) in a clinging manner to the inclined plane on the outer side of the moving groove (53), the right side of the moving plate (55) is arranged to be an inclined plane, the transmission rod (56) is arranged at the upper end of the right side of the moving plate (55), the inner end of the transmission rod (56) is tightly attached to the right inclined plane of the moving plate (55), the middle of the left side of the transmission rod (56) is fixedly connected with a limiting block, the upper end of the transmission rod (56) penetrates through the flange plate (2) and extends to the outer side, and the upper end of the transmission rod (56) is fixedly connected with a pressing block (57).
4. A direct-burried waveform expansion joint as claimed in claim 1, characterized in that: the pipeline (3) is provided with a limiting groove corresponding to the limiting structure (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023080703.XU CN214222385U (en) | 2020-12-18 | 2020-12-18 | Direct-buried waveform expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023080703.XU CN214222385U (en) | 2020-12-18 | 2020-12-18 | Direct-buried waveform expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214222385U true CN214222385U (en) | 2021-09-17 |
Family
ID=77703623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023080703.XU Active CN214222385U (en) | 2020-12-18 | 2020-12-18 | Direct-buried waveform expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214222385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704183A (en) * | 2024-02-05 | 2024-03-15 | 江苏耀宇新型管业有限公司 | Pressure-resistant high-temperature-resistant expansion joint |
-
2020
- 2020-12-18 CN CN202023080703.XU patent/CN214222385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704183A (en) * | 2024-02-05 | 2024-03-15 | 江苏耀宇新型管业有限公司 | Pressure-resistant high-temperature-resistant expansion joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214222385U (en) | Direct-buried waveform expansion joint | |
| CN208123727U (en) | A kind of two-way seal sleeve type pipeline hardware compensator | |
| CN213089126U (en) | Corrugated pipe type pipeline compensator | |
| CN203695715U (en) | Metal bellows hydro-forming device with internal thread fit sealing structure | |
| CN206530783U (en) | The sealing structure of nuclear reactor and its double-layer sleeve structure and return | |
| CN110671569A (en) | Pressure compensator | |
| CN211875401U (en) | Compound pull rod type expansion joint | |
| CN2445174Y (en) | Expansion pipe joint | |
| CN210198173U (en) | Flange sealing structure for heat exchange device header | |
| CN210800411U (en) | Bent pipe pressure balance type metal corrugated expansion joint | |
| CN220623129U (en) | Flexible connection oil return pipeline | |
| CN214947268U (en) | Non-metal expansion joint fixing structure | |
| CN208107371U (en) | Inner liner stainless steel pipe fitting joint | |
| CN203362337U (en) | Heater part for hot-air engine | |
| CN218441227U (en) | Metal expansion joint of boiler feed back device | |
| CN213206930U (en) | High-stability compensator for heating power pipe network | |
| CN219159820U (en) | Double-ripple metal expansion joint | |
| CN214944056U (en) | Novel metal sealing device | |
| CN210890471U (en) | Detachable connecting pipe fitting | |
| CN216975018U (en) | High-temperature-resistant intercooler | |
| CN216555923U (en) | High-temperature and high-pressure combined expansion joint for steam pipeline | |
| CN216479488U (en) | Anti-seepage structure of heating ventilation water supply and drainage pipeline | |
| CN114440042B (en) | Telescopic compensation sealing mechanism of large-drift-diameter vacuum pipeline and assembly method thereof | |
| CN218063830U (en) | Quick joint structure of heating radiator | |
| CN220551633U (en) | High low temperature resistant connecting piece of strenghthened type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |