CN219889008U - Low-vibration expansion joint - Google Patents
Low-vibration expansion joint Download PDFInfo
- Publication number
- CN219889008U CN219889008U CN202222796566.2U CN202222796566U CN219889008U CN 219889008 U CN219889008 U CN 219889008U CN 202222796566 U CN202222796566 U CN 202222796566U CN 219889008 U CN219889008 U CN 219889008U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- corrugated pipe
- connecting plate
- annular baffle
- 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.)
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Links
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 6
- -1 polytetrafluoroethylene Polymers 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a low-vibration expansion joint, which comprises a corrugated pipe and flange plates symmetrically arranged at two ends of the corrugated pipe, wherein a plurality of buffer assemblies are circumferentially arrayed outside the corrugated pipe, each buffer assembly comprises an annular baffle, a connecting plate is arranged on one side, far away from the corrugated pipe, of each annular baffle, a first spring is connected between each annular baffle and each connecting plate, first connecting rods are symmetrically arranged at two ends of each connecting plate, one end, far away from the connecting plate, of each first connecting rod is provided with a mounting plate detachably connected with the flange plates, each first connecting rod is connected with a moving block in a sliding manner, one side of each moving block is hinged with a fixing block through a second connecting rod, each fixing block is fixed on one side surface, far away from the corrugated pipe, of each moving block is connected with the connecting plate through a second spring, and each second spring is sleeved on the first connecting rod. The vibration of the corrugated pipe can be relieved by arranging the buffer component, and the corrugated pipe is prevented from being damaged due to vibration.
Description
Technical Field
The utility model relates to a low-vibration expansion joint, and belongs to the technical field of expansion joints.
Background
The expansion joint is also called corrugated pipe, and is one kind of compensation device to utilize the deformation of the expansion joint to attract the temperature change of pipeline, pipe or container, and may be used to compensate the axial, transverse and angular displacement of pipeline.
The existing expansion joint is simple in structure, shock absorption function is not good enough, vibration generated in the medium transmission process is transmitted to the expansion joint to seriously influence the normal working state of the expansion joint, and meanwhile the service life of the expansion joint is shortened.
Therefore, it is necessary to invent a low vibration expansion joint to solve the above problems.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model aims to provide the low-vibration expansion joint, which solves the problems that the prior expansion joint is simple in structure and poor in damping function, vibration generated in a medium transmission process is transmitted to the expansion joint to seriously influence the normal working state of the expansion joint, and meanwhile, the service life of the expansion joint is shortened.
In order to achieve the above object, the present utility model adopts the following technical scheme: the utility model provides a low vibrations expansion joint, includes the bellows, and the symmetry sets up the ring flange at bellows both ends, the outside circumference array of bellows has a plurality of buffer assemblies, buffer assembly is including annular baffle, one side that the bellows was kept away from to annular baffle is equipped with the connecting plate, be connected with first spring between annular baffle and the connecting plate, connecting plate both ends symmetry is equipped with first connecting rod, every first connecting rod is kept away from connecting plate one end and all is equipped with the mounting panel that can dismantle with the ring flange and be connected, every equal sliding connection has the movable block on the first connecting rod, every movable block one side all articulates through the second connecting rod has the fixed block, every the fixed block is all fixed and is kept away from bellows one side surface at annular baffle, every be connected with the second spring between movable block all and the connecting plate, the second spring housing is established on first connecting rod.
As a preferable scheme of the utility model, a telescopic rod is sleeved in the first spring, and two ends of the telescopic rod are fixedly connected with the annular baffle plate and the connecting plate respectively.
As a preferable scheme of the utility model, the mounting plate is symmetrically provided with first threaded holes at two sides of the first connecting rod, one end of the flange plate is provided with a plurality of second threaded holes, and the mounting plate is fixedly connected with the flange plate in a mode that bolts penetrate through the first threaded holes and the second threaded holes.
As a preferable scheme of the utility model, a positioning column is arranged in the middle of one end of the mounting plate, which is far away from the first connecting rod, one end of the flange plate is provided with a positioning groove, and the positioning column is connected with the positioning groove in a clamping way.
As a preferable scheme of the utility model, a plurality of elastic pads are arranged on one side of the annular baffle plate facing the corrugated pipe at equal intervals, and each elastic pad is embedded in two adjacent convex ends of the outer wall of the corrugated pipe.
As a preferred scheme of the utility model, the number of the buffer assemblies is four, and the four buffer assemblies are arranged at equal intervals.
As a preferable scheme of the utility model, a rubber elastic layer is arranged in the corrugated pipe, and a polytetrafluoroethylene anti-corrosion layer is arranged on the outer wall of the rubber elastic layer.
In the technical scheme, the utility model has the technical effects and advantages that:
1. according to the utility model, through the matching use of the annular baffle, the connecting plate, the first spring, the first connecting rod, the mounting plate, the moving block, the second connecting rod, the fixed block and the second spring, vibration of the corrugated pipe caused by medium in the internal transmission process can be relieved, the corrugated pipe is prevented from being damaged due to vibration, and the service life of the device is greatly prolonged.
2. Through the telescopic link that sets up, can make annular baffle more stable when reciprocating, run through first screw hole and second screw hole's mode with mounting panel and ring flange fixed connection through the bolt, can make things convenient for the dismouting between mounting panel and the ring flange, can facilitate the use person to be connected mounting panel and ring flange through the mode that reference column and constant head tank block are connected.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a buffer assembly according to the present utility model;
FIG. 3 is a schematic diagram of a connection structure of a flange plate and a bellows of the present utility model;
fig. 4 is a schematic view of the internal structure of the bellows of the present utility model.
Meaning of reference numerals in the drawings:
1. a bellows; 11. a rubber elastic layer; 12. a polytetrafluoroethylene anti-corrosion layer; 2. a flange plate; 21. a second threaded hole; 22. a positioning groove; 3. a buffer assembly; 31. an annular baffle; 311. an elastic pad; 32. a connecting plate; 33. a first spring; 331. a telescopic rod; 34. a first link; 35. a mounting plate; 351. a first threaded hole; 352. positioning columns; 36. a moving block; 37. a second link; 38. a fixed block; 39. and a second spring.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
The utility model provides a low-vibration expansion joint as shown in figures 1-4, which comprises a corrugated pipe 1 and flange plates 2 symmetrically arranged at two ends of the corrugated pipe 1, wherein a plurality of buffer assemblies 3 are circumferentially arrayed outside the corrugated pipe 1, each buffer assembly 3 comprises an annular baffle plate 31, one side, far away from the corrugated pipe 1, of each annular baffle plate 31 is provided with a connecting plate 32, a first spring 33 is connected between each annular baffle plate 31 and each connecting plate 32, two ends of each connecting plate 32 are symmetrically provided with first connecting rods 34, one end, far away from each connecting plate 32, of each first connecting rod 34 is provided with a mounting plate 35 which is detachably connected with the flange plate 2, each first connecting rod 34 is connected with a movable block 36 in a sliding manner, one side of each movable block 36 is hinged with a fixed block 38 through a second connecting rod 37, each fixed block 38 is fixed on one side, far away from the corrugated pipe 1, of each movable block 36 is connected with each connecting plate 32 through a second spring 39, and the second springs 39 are sleeved on the first connecting rods 34.
The telescopic rod 331 is sleeved inside the first spring 33, two ends of the telescopic rod 331 are fixedly connected with the annular baffle 31 and the connecting plate 32 respectively, and the annular baffle 31 can be made to move up and down more stably through the telescopic rod 331.
The mounting panel 35 is located the bilateral symmetry of first connecting rod 34 and is equipped with first screw hole 351, and ring flange 2 one end is equipped with a plurality of second screw holes 21, and mounting panel 35 passes through first screw hole 351 and the mode of second screw hole 21 and ring flange 2 fixed connection through the bolt, passes through first screw hole 351 and the mode of second screw hole 21 with mounting panel 35 and ring flange 2 fixed connection through the bolt, can make things convenient for the dismouting between mounting panel 35 and the ring flange 2.
The mounting panel 35 is kept away from the one end middle part of first connecting rod 34 and is equipped with reference column 352, and ring flange 2 one end is equipped with constant head tank 22, and reference column 352 and constant head tank 22 block are connected, can facilitate the use person be connected mounting panel 35 with ring flange 2 through the mode that reference column 352 and constant head tank 22 block are connected.
The annular baffle 31 is provided with a plurality of elastic pads 311 at equal intervals towards one side of the corrugated pipe 1, each elastic pad 311 is embedded in two adjacent protruding ends of the outer wall of the corrugated pipe 1, and the buffering capacity of the corrugated pipe 1 can be increased through the elastic pads 311.
The number of the buffer assemblies 3 is four, and the four buffer assemblies 3 are arranged at equal intervals.
The inside of bellows 1 is provided with rubber elasticity layer 11, the outer wall of rubber elasticity layer 11 is provided with polytetrafluoroethylene corrosion resistant layer 12, it can guarantee through rubber that rubber elasticity layer 11 can not hinder the operation of bellows 1 to it has good leakproofness and thermal-insulated nature, it can avoid bellows 1 to take place gas leakage or overheated phenomenon, thereby can improve holistic protective effect, the corrosion resistance of bellows 1 can be strengthened to polytetrafluoroethylene corrosion resistant layer 12 of setting, thereby can guarantee that bellows 1 still has longer life in suffering the gas-liquid corrosion process.
The working principle of the utility model is as follows:
referring to fig. 1-4 of the specification, when the device is required to be used, a user connects the device with a pipeline through the flange plate 2, vibration generated in the process of transferring a medium in the corrugated pipe 1 is transferred to the corrugated pipe 1, when the corrugated pipe 1 vibrates, the corrugated pipe 1 can drive the annular baffle 31 to ascend or descend, the first spring 33 can prevent the annular baffle 31 from ascending and descending, meanwhile, the fixed block 38 can drive the movable block 36 to slide on the first connecting rod 34 through the hinged second connecting rod 37, the second spring 39 can prevent the movable block 36 from moving, so that the annular baffle 31 is prevented from ascending and descending, vibration of the corrugated pipe 1 can be further slowed down, vibration damage of the corrugated pipe 1 is prevented, the corrugated pipe 1 can also be caused to have a phenomenon of expanding with heat and contracting with cold in the process of transferring the medium in the corrugated pipe 1, and the elastic pad 311 arranged in the adjacent convex end of the corrugated pipe 1 can reduce the dimensional change of the corrugated pipe 1 caused by expanding with heat and contracting with cold, so that the buffering capacity of the corrugated pipe 1 is enhanced, and the corrugated pipe 1 is prevented from being damaged.
Referring to fig. 1-4 of the specification, when the device is used, the annular baffle 31 can be more stable when moving up and down through the telescopic rod 331, the mounting plate 35 and the flange 2 are fixedly connected in a mode that bolts penetrate through the first threaded holes 351 and the second threaded holes 21, the mounting plate 35 and the flange 2 can be conveniently dismounted, the mounting plate 35 and the flange 2 can be conveniently connected by a mode that the positioning column 352 is clamped and connected with the positioning groove 22, the buffer capacity of the corrugated pipe 1 can be increased through the elastic pad 311, the operation of the corrugated pipe 1 can not be blocked by the rubber elastic layer 11 through good elasticity, the corrugated pipe 1 can be prevented from being leaked or overheated through good sealing performance and heat insulation performance, the integral protection effect can be improved, and the set polytetrafluoroethylene anti-corrosion layer 12 can strengthen the corrosion resistance of the corrugated pipe 1, so that the corrugated pipe 1 can be ensured to still have longer service life in the gas-liquid corrosion process.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (5)
1. The utility model provides a low vibrations expansion joint, includes bellows (1) to and ring flange (2) at bellows (1) both ends are set up to symmetry, its characterized in that: the utility model provides a bellows (1) outside circumference array has a plurality of buffer assemblies (3), buffer assemblies (3) are including annular baffle (31), one side that bellows (1) was kept away from to annular baffle (31) is equipped with connecting plate (32), be connected with first spring (33) between annular baffle (31) and connecting plate (32), connecting plate (32) both ends symmetry is equipped with first connecting rod (34), every connecting plate (32) one end is kept away from to first connecting rod (34) all is equipped with mounting panel (35) with flange (2) detachable connection, every all sliding connection has movable block (36) on first connecting rod (34), every movable block (36) one side all articulates through second connecting rod (37) has fixed block (38), every fixed block (38) all is fixed on annular baffle (31) one side surface of keeping away from bellows (1), every movable block (36) all is connected with second spring (39) between connecting plate (32), second spring (39) cover is established on first connecting rod (34).
2. A low vibration expansion joint according to claim 1 and wherein: the telescopic rod (331) is sleeved inside the first spring (33), and two ends of the telescopic rod (331) are fixedly connected with the annular baffle plate (31) and the connecting plate (32) respectively.
3. A low vibration expansion joint according to claim 1 and wherein: the mounting plate (35) is located the bilateral symmetry of first connecting rod (34) and is equipped with first screw hole (351), ring flange (2) one end is equipped with a plurality of second screw holes (21), mounting plate (35) pass through first screw hole (351) and the mode of second screw hole (21) with ring flange (2) fixed connection through the bolt.
4. A low vibration expansion joint according to claim 1 and wherein: the mounting plate (35) is kept away from the one end middle part of first connecting rod (34) and is equipped with reference column (352), ring flange (2) one end is equipped with constant head tank (22), reference column (352) and constant head tank (22) block connection.
5. A low vibration expansion joint according to claim 1 and wherein: the number of the buffer assemblies (3) is four, and the four buffer assemblies (3) are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222796566.2U CN219889008U (en) | 2022-10-24 | 2022-10-24 | Low-vibration expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222796566.2U CN219889008U (en) | 2022-10-24 | 2022-10-24 | Low-vibration expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219889008U true CN219889008U (en) | 2023-10-24 |
Family
ID=88396715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222796566.2U Active CN219889008U (en) | 2022-10-24 | 2022-10-24 | Low-vibration expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219889008U (en) |
-
2022
- 2022-10-24 CN CN202222796566.2U patent/CN219889008U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |