CN222377558U - A multi-directional buffer structure for non-metallic expansion joints - Google Patents
A multi-directional buffer structure for non-metallic expansion joints Download PDFInfo
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- CN222377558U CN222377558U CN202421039937.5U CN202421039937U CN222377558U CN 222377558 U CN222377558 U CN 222377558U CN 202421039937 U CN202421039937 U CN 202421039937U CN 222377558 U CN222377558 U CN 222377558U
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- 238000007789 sealing Methods 0.000 claims abstract description 96
- 230000001360 synchronised effect Effects 0.000 claims abstract description 15
- 230000003139 buffering effect Effects 0.000 claims abstract description 6
- 229910052755 nonmetal Inorganic materials 0.000 claims description 77
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 13
- 230000005489 elastic deformation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
本实用新型公开了一种非金属膨胀节用多向缓冲结构，涉及非金属膨胀节技术领域，该非金属膨胀节用多向缓冲结构，包括非金属膨胀节本体，所述非金属膨胀节本体的外侧表面安装有多向同步缓冲组件，所述多向同步缓冲组件的外侧表面安装有两个密封卡块，两个所述密封卡块的一端表面皆安装有密封条。本实用新型通过升降柱、第一弹簧、缓冲密封块、密封卡块、密封条和第二弹簧相互配合，实现多方向对非金属波纹管进行缓冲，提供对非金属波纹管在各个方向上的支撑，从而确保其在运行过程中的稳定性和安全性，能够对非金属波纹管受到的外部压力或振动进行缓冲，从而延长非金属波纹管的使用寿命并降低维护成本,对非金属波纹管进行保护。
The utility model discloses a multi-directional buffer structure for non-metallic expansion joints, and relates to the technical field of non-metallic expansion joints. The multi-directional buffer structure for non-metallic expansion joints comprises a non-metallic expansion joint body, and a multi-directional synchronous buffer assembly is installed on the outer surface of the non-metallic expansion joint body, and two sealing blocks are installed on the outer surface of the multi-directional synchronous buffer assembly, and a sealing strip is installed on one end surface of the two sealing blocks. The utility model realizes multi-directional buffering of the non-metallic bellows through the cooperation of a lifting column, a first spring, a buffer sealing block, a sealing block, a sealing strip, and a second spring, and provides support for the non-metallic bellows in all directions, thereby ensuring its stability and safety during operation, and can buffer the external pressure or vibration of the non-metallic bellows, thereby extending the service life of the non-metallic bellows and reducing maintenance costs, and protecting the non-metallic bellows.
Description
Technical Field
The utility model relates to the technical field of nonmetal expansion joints, in particular to a multidirectional buffer structure for nonmetal expansion joints.
Background
A nonmetallic expansion joint is a connection piece used in a pipeline system or equipment, and is generally used for compensating the length change of the pipeline or equipment caused by temperature change, mechanical vibration and other factors. They are generally made of flexible materials such as rubber, polymers or metal bellows, etc., and have good elasticity and deformability, the multidirectional buffer structure of the nonmetallic expansion joint can provide buffer and compensation effects in multiple directions, has good adaptability to the length change of the pipeline or equipment, can effectively reduce stress concentration in the system and fatigue damage of the pipeline or equipment, and can correspondingly deform when the length of the pipeline or equipment is changed by the elastic property of the material of the expansion joint, so that the stress and pressure caused by the length change are reduced, and the structural integrity of the pipeline or equipment is protected.
When the existing nonmetal expansion joint expands, the inside nonmetal corrugated pipe is not subjected to multidirectional buffer protection, the deficiency of the multidirectional buffer protection means that the nonmetal corrugated pipe is possibly affected by uneven force during expansion, the risk of deformation is increased, and the distortion, deformation and even cracking of the nonmetal corrugated pipe are caused, so that the normal operation of a pipeline system or equipment is affected, and the nonmetal corrugated pipe is easily damaged under the influence of external environment, vibration or pressure under the condition of insufficient support. This may lead to leaks or complete failure, which pose a potential threat to the safety and reliability of the system, and deformation of the non-metallic bellows may lead to reduced performance of the system, such as instability of fluid flow, increased pressure loss, etc., affecting the proper operation and efficiency of the piping system or equipment.
Disclosure of utility model
The utility model provides a multidirectional buffer structure for a nonmetal expansion joint, which has the advantage of multi-aspect buffer stretching of the nonmetal expansion joint, and is used for solving the problem that a nonmetal corrugated pipe in the nonmetal expansion joint is easy to deform.
The multi-directional buffer structure for the nonmetal expansion joint comprises a nonmetal expansion joint body, wherein a nonmetal corrugated pipe is arranged in the nonmetal expansion joint body, two flange plates are arranged in the nonmetal expansion joint body, two end surfaces of the nonmetal corrugated pipe are fixedly connected with the inner side surfaces of the two flange plates correspondingly, two connecting components are arranged on the outer side surface of the nonmetal expansion joint body, a multi-directional synchronous buffer component is arranged on the outer side surface of the nonmetal expansion joint body, a buffer sealing block is arranged on the outer side surface of the multi-directional synchronous buffer component, an airtight cavity is formed in the buffer sealing block, two sealing clamping blocks are arranged on the outer side surface of the multi-directional synchronous buffer component, sealing clamping components are arranged in the sealing clamping blocks, sealing strips are arranged on one end surfaces of the two sealing clamping blocks, the outer side surfaces of the sealing strips are in movable contact with the inner side surfaces of the airtight cavity, and air nozzles are arranged on the outer side surfaces of the sealing clamping blocks.
As a preferable technical scheme of the utility model, the connecting component comprises two first fixing blocks and a threaded rod, wherein the two first fixing blocks are correspondingly arranged on the outer side surface of the flange plate, the threaded rod is movably arranged in the two first fixing blocks, the outer side surface of the threaded rod is movably connected with two hexagonal nuts in a threaded manner, and one end surfaces of the two hexagonal nuts are movably contacted with the outer side surface of the first fixing blocks.
As a preferable technical scheme of the utility model, the multidirectional synchronous buffer assembly comprises a second fixed block and a telescopic groove, wherein the second fixed block is arranged on the outer side surface of the flange plate, and the telescopic groove is formed in the second fixed block.
As a preferable technical scheme of the utility model, a baffle is movably arranged in the telescopic groove, a lifting column is arranged on one end surface of the baffle, and the outer side surface of the lifting column is movably contacted with the inner wall of the telescopic groove.
As a preferable technical scheme of the utility model, one end surface of the lifting column extends to the inside of the buffer sealing block, a first spring is arranged on the outer side surface of the buffer sealing block, and one end surface of the first spring is fixedly connected with the outer side surface of the second fixing block.
As a preferable technical scheme of the utility model, one end surface of the lifting column is fixedly connected with the outer side surface of the sealing clamping block, the outer side surface of the sealing clamping block is movably contacted with the inner wall of the airtight cavity, and the outer side surfaces of the two sealing strips are jointly provided with the second spring.
As a preferable technical scheme of the utility model, the sealing clamping assembly comprises two clamping cavities and two third springs, wherein the two clamping cavities are arranged in the sealing clamping block, the two third springs are correspondingly arranged at the inner wall of the clamping cavity, sealing rings are arranged on one end surfaces of the two third springs, the outer side surfaces of the sealing rings are in movable contact with the inner wall of the clamping cavity, and the outer side surfaces of the sealing rings are in movable contact with the inner wall of the airtight cavity.
Compared with the prior art, the utility model provides the multidirectional buffer structure for the nonmetal expansion joint, which has the following beneficial effects:
1. This multidirectional buffer structure is used to nonmetal expansion joint, through the second fixed block, airtight chamber, the expansion tank, the baffle, the lift post, first spring, the buffer seal piece, sealed fixture block, sealing strip and second spring mutually support, realize multi-direction buffering to the nonmetal bellows, through the removal of a plurality of lift posts, provide the stability and the security to the nonmetal bellows in each direction, thereby ensure its stability and the security in the operation in-process, the elastic deformation of first spring and second spring makes the system can cushion the external pressure or the vibration that the nonmetal bellows received, thereby the life of extension nonmetal bellows reduces maintenance cost, protect the nonmetal bellows, can provide effectual support and buffering under the circumstances that does not harm nonmetal bellows structure.
2. This multidirectional buffer structure is used to nonmetal expansion joint, through sealed fixture block, the air cock, the card chamber, second spring and sealing washer mutually support, the elastic deformation of third spring can ensure sealed chuck at the removal in-process, the sealing washer closely laminates airtight chamber all the time, thereby the sealing performance of system has been improved, the application of tight control gas flow is very important, especially at sealed chuck expansion removal's in-process, the effect of third spring can ensure airtight intracavity portion's leakproofness and not influenced, prevent gas leakage, carry out the filling gas to airtight chamber through the air cock, this makes maintenance and adjustment airtight intracavity portion pressure or gas composition become more convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the overall structure of the connecting assembly of the present utility model;
FIG. 3 is a schematic view of the internal structure of the nonmetallic expansion joint body of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of portion A in FIG. 3 according to the present utility model;
FIG. 5 is a schematic diagram of the internal structure of the multi-directional synchronous buffer assembly according to the present utility model.
In the figure, a non-metal expansion joint body, a flange plate, a non-metal corrugated pipe, a first fixing block, a second fixing block, a 6 airtight cavity, a 7, a threaded rod, a 8 hexagonal nut, a 9, a telescopic groove, a 10, a baffle plate, a 11, a lifting column, a 12, a first spring, a 13, a buffer sealing block, a 14, an air tap, a 15, a sealing clamping block, a 16, a sealing strip, a 17, a clamping cavity, a 18, a second spring, a 19, a sealing ring, a 20 and a third spring are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 and 2, the utility model discloses a multidirectional buffer structure for a nonmetal expansion joint, which comprises a nonmetal expansion joint body 1, wherein a nonmetal corrugated pipe 3 is arranged in the nonmetal expansion joint body 1, two flange plates 2 are arranged in the nonmetal expansion joint body 1, two end surfaces of the nonmetal corrugated pipe 3 are correspondingly and fixedly connected with the inner side surfaces of the two flange plates 2, two connecting components are arranged on the outer side surface of the nonmetal expansion joint body 1, each connecting component comprises two first fixing blocks 4 and a threaded rod 7, the corresponding two first fixing blocks 4 are arranged on the outer side surface of the flange plate 2, the threaded rod 7 is movably arranged in the two first fixing blocks 4, two hexagon nuts 8 are movably connected with the outer side surface of the threaded rod 7 in a threaded manner, one end surfaces of the two hexagon nuts 8 are movably contacted with the outer side surfaces of the first fixing blocks 4, the hexagon nuts 8 are continuously rotated and movably contacted with the first fixing blocks 4, the fixing reliability of the nonmetal expansion joint body 1 and a pipeline system is ensured through the threaded connection of the hexagon nuts 8 and the threaded rod 7, the rotating connection of the hexagon nuts 8 can be effectively fixed on the outer side surface of the flange plates 2, the nonmetal expansion joint body is not loosened or the nonmetal expansion joint body can be ensured in the safe operation process.
Example two
Referring to fig. 1, 3, 4 and 5, the utility model discloses a multidirectional buffer structure for a nonmetal expansion joint, which comprises a nonmetal expansion joint body 1, wherein a nonmetal corrugated pipe 3 is arranged in the nonmetal expansion joint body 1, two flange plates 2 are arranged in the nonmetal expansion joint body 1, two end surfaces of the nonmetal corrugated pipe 3 are fixedly connected with the inner side surfaces of the two flange plates 2 correspondingly, a multidirectional synchronous buffer assembly is arranged on the outer side surface of the nonmetal expansion joint body 1, a buffer sealing block 13 is arranged on the outer side surface of the multidirectional synchronous buffer assembly, an airtight cavity 6 is arranged in the buffer sealing block 13, two sealing clamping blocks 15 are arranged on the outer side surface of the multidirectional synchronous buffer assembly, sealing strips 16 are arranged on one end surfaces of the two sealing clamping blocks 15, the outer side surfaces of the sealing strips 16 are in movable contact with the inner side surfaces of the airtight cavity 6, the multidirectional synchronous buffer assembly comprises a second fixed block 5 and an expansion groove 9, the second fixed block 5 is arranged on the outer side surface of the flange plate 2, the telescopic groove 9 is arranged in the second fixed block 5, the baffle 10 is movably arranged in the telescopic groove 9, one end surface of the baffle 10 is provided with a lifting column 11, the outer side surface of the lifting column 11 is movably contacted with the inner wall of the telescopic groove 9, one end surface of the lifting column 11 extends to the inner side of the buffer sealing block 13, the outer side surface of the buffer sealing block 13 is provided with a first spring 12, one end surface of the first spring 12 is fixedly connected with the outer side surface of the second fixed block 5, one end surface of the lifting column 11 is fixedly connected with the outer side surface of a sealing clamping block 15, the outer side surface of the sealing clamping block 15 is movably contacted with the inner wall of the airtight cavity 6, the outer side surfaces of the two sealing strips 16 are jointly provided with a second spring 18, the lifting columns 11 move and the first spring 12 and the second spring 18 are elastically deformed, and then mutually matched with the gas in the airtight cavity 6 of the buffer sealing block 13 to buffer the nonmetallic corrugated pipe 3 in multiple directions, and the nonmetallic corrugated pipe 3 is supported in all directions through the movement of the lifting columns 11, so that the stability and the safety of the nonmetallic corrugated pipe 3 in the operation process are ensured, the elastic deformation of the first spring 12 and the second spring 18 enables the system to buffer the external pressure or vibration received by the nonmetallic corrugated pipe 3, the service life of the nonmetallic corrugated pipe 3 is prolonged, the maintenance cost is reduced, the nonmetallic corrugated pipe 3 is protected, and the effective support and the buffer can be provided under the condition that the structure of the nonmetallic corrugated pipe 3 is not damaged.
Example III
Referring to fig. 1, 3 and 4, the utility model discloses a multidirectional buffer structure for a nonmetal expansion joint, which comprises a nonmetal expansion joint body 1, wherein a nonmetal corrugated pipe 3 is arranged in the nonmetal expansion joint body 1, two flanges 2 are arranged in the nonmetal expansion joint body 1, two end surfaces of the nonmetal corrugated pipe 3 are fixedly connected with the inner side surfaces of the two flanges 2 correspondingly, a sealing clamping assembly is arranged in a sealing clamping block 15, sealing strips 16 are arranged on one end surfaces of the two sealing clamping blocks 15, the outer side surfaces of the sealing strips 16 are in movable contact with the inner side surfaces of airtight cavities 6, an air tap 14 is arranged on the outer side surface of the sealing clamping blocks 15, the sealing clamping assembly comprises two clamping cavities 17 and two third springs 20, the two clamping cavities 17 are arranged in the sealing clamping blocks 15, the two third springs 20 are arranged at the inner walls of the clamping cavities 17 correspondingly, the sealing rings 19 are arranged on one end surfaces of the two third springs 20, the outer side surfaces of the sealing rings 19 are movably contacted with the inner wall of the clamping cavity 17, the outer side surfaces of the sealing rings 19 are movably contacted with the inner wall of the airtight cavity 6, the elastic deformation of the third springs 20 can ensure that the sealing chuck is tightly attached to the airtight cavity 6 all the time in the moving process of the sealing chuck, so that the sealing performance of the system is improved, the application of strictly controlling the gas flow is very important, particularly in the expanding and moving process of the sealing chuck, the sealing performance inside the airtight cavity 6 is not influenced due to the action of the third springs 20, the gas leakage is prevented, the gas is filled into the airtight cavity 6 through the air tap 14, and the maintenance and the adjustment of the internal pressure or the gas composition of the airtight cavity 6 are more convenient.
When the nonmetal expansion joint body 1 is needed to be used, the nonmetal expansion joint body 1 is needed to be connected when the nonmetal expansion joint body 1 is installed, the threaded rod 7 is inserted from the two first fixing blocks 4, the hexagonal nut 8 is rotationally connected to the threaded rod 7 through threads, the hexagonal nut 8 is continuously rotated to be in movable contact with the first fixing blocks 4, the fixing reliability of the nonmetal expansion joint body 1 and a pipeline system is ensured through the threaded connection of the hexagonal nut 8 and the threaded rod 7, the threaded rod 7 can be effectively fixed through the rotational connection of the hexagonal nut 8, so that the nonmetal expansion joint body 1 is not easy to loosen or fall off, and the stability and the safety of the nonmetal expansion joint body 1 in the running process are ensured.
When the nonmetallic expansion joint body 1 works, when the nonmetallic corrugated pipe 3 is influenced by expansion caused by heat and contraction caused by temperature change of a pipeline system, the nonmetallic corrugated pipe 3 can expand and expand at high temperature and can contract at low temperature, the shape change is used for absorbing the length change of the pipeline system caused by the temperature change, when the nonmetallic expansion joint body 1 changes, the nonmetallic expansion joint body 1 drives the second fixing block 5 to slightly change, the second fixing block 5 drives the expansion groove 9 to slightly change, the baffle 10 and the lifting column 11 move in the expansion groove 9, the second fixing block 5 stretches the first spring 12, the lifting column 11 synchronously drives the sealing clamping block 15 and the sealing strip 16 to move in the airtight cavity 6, and the second fixing blocks 5 at two ends expand and move, the sealing clamping blocks 15 at the two ends synchronously slightly move, the second springs 18 are synchronously stretched by the two sealing clamping blocks 15, the sealing clamping blocks 15 synchronously drive the sealing strips 16 to move in the airtight cavity 6, so that the airtight cavity 6 of the buffer sealing block 13 is good in airtight performance, the lifting columns 11 move, the first springs 12 and the second springs 18 are elastically deformed, and are matched with the air in the airtight cavity 6 of the buffer sealing block 13, the nonmetallic corrugated pipe 3 is buffered in multiple directions, the nonmetallic corrugated pipe 3 is supported in all directions through the movement of the lifting columns 11, the stability and the safety of the nonmetallic corrugated pipe 3 in the operation process are ensured, the elastic deformation of the first springs 12 and the second springs 18 enable the system to buffer the external pressure or vibration suffered by the nonmetallic corrugated pipe 3, thereby prolonging the service life of the nonmetal corrugated pipe 3 and reducing the maintenance cost, protecting the nonmetal corrugated pipe 3 and providing effective support and buffering without damaging the structure of the nonmetal corrugated pipe 3.
And the sealing chuck is in the in-process that removes, the third spring 20 has elastic deformation, make sealing washer 19 closely laminate airtight chamber 6, make the sealing chuck remain airtight chamber 6 inside leakproofness all the time in the in-process that the inflation removed, and can carry out the filling gas to airtight chamber 6 through air cock 14, the elastic deformation of third spring 20 can ensure sealing chuck in the removal in-process, sealing washer 19 closely laminate airtight chamber 6 all the time, thereby the sealing performance of system has been improved, the application of tight control gas flow is very important, especially in the in-process that sealing chuck inflation removed, the effect of third spring 20 can ensure that airtight chamber 6 inside leakproofness is not influenced, prevent the gas leakage, it becomes more convenient to carry out the filling gas to airtight chamber 6 through air cock 14, this makes maintenance and adjustment airtight chamber 6 internal pressure or gas composition.
Claims (7)
1. The multidirectional buffer structure for the nonmetal expansion joint comprises a nonmetal expansion joint body (1), wherein a nonmetal corrugated pipe (3) is arranged inside the nonmetal expansion joint body (1), two flange plates (2) are arranged inside the nonmetal expansion joint body (1), two end surfaces of the nonmetal corrugated pipe (3) are correspondingly fixedly connected with inner side surfaces of the two flange plates (2), and the multidirectional buffer structure is characterized in that two connecting components are mounted on the outer side surface of the nonmetal expansion joint body (1), a multidirectional synchronous buffer component is mounted on the outer side surface of the nonmetal expansion joint body (1), a buffer sealing block (13) is mounted on the outer side surface of the multidirectional synchronous buffer component, an airtight cavity (6) is formed in the buffer sealing block (13), two sealing clamping blocks (15) are mounted on the outer side surface of the multidirectional synchronous buffer component, sealing clamping components are mounted inside the sealing clamping blocks (15), sealing strips (16) are mounted on one end surfaces of the two sealing clamping blocks (15), the outer side surfaces of the sealing blocks (16) are movably contacted with the inner side surfaces of the airtight cavity (6), and sealing strips (14) are mounted on the outer side surfaces of the sealing blocks.
2. The multidirectional buffer structure for a nonmetal expansion joint according to claim 1, wherein the connecting assembly comprises two first fixing blocks (4) and a threaded rod (7), the two first fixing blocks (4) are correspondingly arranged on the outer side surface of the flange plate (2), the threaded rod (7) is movably arranged in the two first fixing blocks (4), two hexagonal nuts (8) are movably arranged on the outer side surface of the threaded rod (7) in a threaded connection mode, and one end surfaces of the two hexagonal nuts (8) are in movable contact with the outer side surface of the first fixing blocks (4).
3. The multidirectional buffering structure for the nonmetal expansion joint of claim 1, wherein the multidirectional synchronous buffering assembly comprises a second fixing block (5) and a telescopic groove (9), the second fixing block (5) is arranged on the outer side surface of the flange plate (2), and the telescopic groove (9) is formed in the second fixing block (5).
4. The multidirectional buffer structure for a nonmetal expansion joint according to claim 3, wherein a baffle (10) is movably arranged in the telescopic groove (9), a lifting column (11) is arranged on one end surface of the baffle (10), and the outer side surface of the lifting column (11) is movably contacted with the inner wall of the telescopic groove (9).
5. The multidirectional buffer structure for a nonmetal expansion joint according to claim 4, wherein one end surface of the lifting column (11) extends into the buffer sealing block (13), a first spring (12) is mounted on the outer side surface of the buffer sealing block (13), and one end surface of the first spring (12) is fixedly connected with the outer side surface of the second fixed block (5).
6. The multidirectional buffer structure for a nonmetal expansion joint according to claim 5, wherein one end surface of the lifting column (11) is fixedly connected with the outer side surface of the sealing clamping block (15), the outer side surface of the sealing clamping block (15) is movably contacted with the inner wall of the airtight cavity (6), and the outer side surfaces of the two sealing strips (16) are jointly provided with a second spring (18).
7. The multidirectional buffer structure for the nonmetal expansion joint according to claim 1, wherein the sealing clamping assembly comprises two clamping cavities (17) and two third springs (20), the two clamping cavities (17) are formed in the sealing clamping blocks (15), the two third springs (20) are correspondingly arranged at the inner walls of the clamping cavities (17), sealing rings (19) are arranged on one end surfaces of the two third springs (20), the outer side surfaces of the sealing rings (19) are movably contacted with the inner walls of the clamping cavities (17), and the outer side surfaces of the sealing rings (19) are movably contacted with the inner walls of the airtight cavities (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421039937.5U CN222377558U (en) | 2024-05-14 | 2024-05-14 | A multi-directional buffer structure for non-metallic expansion joints |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421039937.5U CN222377558U (en) | 2024-05-14 | 2024-05-14 | A multi-directional buffer structure for non-metallic expansion joints |
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| CN222377558U true CN222377558U (en) | 2025-01-21 |
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| CN202421039937.5U Active CN222377558U (en) | 2024-05-14 | 2024-05-14 | A multi-directional buffer structure for non-metallic expansion joints |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121229735A (en) * | 2025-11-26 | 2025-12-30 | 江苏运通膨胀节制造有限公司 | A high-pressure resistant rotary compensator for pipelines |
-
2024
- 2024-05-14 CN CN202421039937.5U patent/CN222377558U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121229735A (en) * | 2025-11-26 | 2025-12-30 | 江苏运通膨胀节制造有限公司 | A high-pressure resistant rotary compensator for pipelines |
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