CN222437299U - A high-strength double-flange limited expansion joint - Google Patents
A high-strength double-flange limited expansion joint Download PDFInfo
- Publication number
- CN222437299U CN222437299U CN202421027249.7U CN202421027249U CN222437299U CN 222437299 U CN222437299 U CN 222437299U CN 202421027249 U CN202421027249 U CN 202421027249U CN 222437299 U CN222437299 U CN 222437299U
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- clamp
- joint
- flange
- strength double
- 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
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model provides a high-strength double-flange limiting expansion joint, which relates to the technical field of flange connection and comprises a first expansion joint, wherein a second expansion joint is arranged on the first expansion joint, a fixing assembly is arranged on the first expansion joint, connecting assemblies are arranged on the first expansion joint and the second expansion joint, an operator stretches or contracts the first expansion joint and the second expansion joint to proper positions, a first nut and a second nut on a first threaded rod and a second threaded rod are screwed down, the first expansion joint and the second expansion joint can be tightly fixed at an adjusted position, a flange plate needing to be connected with a pipeline is placed in the first clamp and the second clamp by rotating the first clamp and the second clamp, and bolts are screwed down, so that the pipeline can be fixedly connected through the first expansion joint and the second expansion joint, and the technical problems that the flange plate on the first expansion joint and the second expansion joint needs to be time-consuming and labor-consuming in bolt fastening and is inconvenient to connect are solved.
Description
Technical Field
The utility model relates to the technical field of flange connection, in particular to a high-strength double-flange limiting expansion joint.
Background
The high-strength double-flange limit expansion joint is a connecting piece for a pipeline system, and is provided with two flanges which can be connected at two ends of a pipeline and can bear stress and deformation under high-pressure and high-temperature environments when the pipeline runs. The design aims to allow the pipeline to freely stretch and retract when being influenced by temperature change, vibration or other factors, and limit the stretching range of the pipeline through the limiting device so as to ensure the safe operation of a pipeline system.
The prior patent (publication number: CN 219734559U) proposes a double-flange limiting expansion joint, an annular baffle is arranged on the inner peripheral surface of a connecting disc facing a left flange pipe, a sealing ring is arranged on the side wall of the annular baffle facing the left flange pipe, a plurality of short screw rods are arranged between the left flange pipe and the connecting disc, and fixing nuts are arranged on the side surfaces of the short screw rods, which are close to the left flange pipe and the connecting disc.
However, when the existing double-flange limiting expansion joint needs to be connected with a pipeline, a large number of bolts are required to be tightened, the installation is inconvenient, the labor intensity for manually tightening a large number of bolts is high, particularly in an environment with a small space or inconvenient operation, all bolts need to be removed firstly when parts are maintained or replaced, the time and the labor are also consumed, more fault points can be introduced when a large number of bolts are used, for example, the bolts can be loosened due to vibration, and the connection is unreliable, so the utility model provides a high-strength double-flange limiting expansion joint which solves the problems.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a high-strength double-flange limiting expansion joint.
In order to achieve the aim, the high-strength double-flange limiting expansion joint comprises a first expansion joint, wherein a second expansion joint is arranged on the first expansion joint, a fixing assembly is arranged on the first expansion joint, and connecting assemblies are arranged on the first expansion joint and the second expansion joint;
The fixing assembly comprises a first threaded rod and a second threaded rod, the first threaded rod is connected with a first nut in a threaded mode, and the second threaded rod is connected with a second nut in a threaded mode;
the connecting assembly comprises a first clamp, a rotating shaft is connected between the first clamp and the second clamp in a rotating mode, and bolts are connected to the first clamp in a threaded mode.
As a preferred embodiment of the high-strength double-flange limiting expansion joint, the second expansion joint is slidingly connected in the first expansion joint.
The further scheme has the beneficial effects that the second telescopic joint is connected in the first telescopic joint in a sliding way, so that the first telescopic joint and the second telescopic joint can be telescopic to adjust the required length.
As a preferred implementation mode of the high-strength double-flange limiting expansion joint, the number of the first nuts is three, the first nuts are respectively arranged on two sides of the fixing block on the second expansion joint and one side of the fixing block on the first expansion joint, and the second nuts are arranged on one side of the fixing block on the first expansion joint.
The two sides of the fixing block on the second expansion joint are respectively provided with a first nut for supporting and fixing two ends of the second expansion joint, one side of the fixing block on the first expansion joint is also provided with a first nut, and in order to provide additional support and fixing at one end of the first expansion joint, the second nut is arranged on one side of the fixing block on the first expansion joint, and the first nuts are matched for use and are used for providing fixing effect at the side.
As a preferred implementation mode of the high-strength double-flange limiting expansion joint, the flange plate positions on the first expansion joint and the second expansion joint are respectively fixed with a first rubber pad, and the first clamp and the second clamp are respectively internally fixed with a second rubber pad.
The flange plate of the first expansion joint and the flange plate of the second expansion joint are fixedly provided with the first rubber gasket, the first rubber gasket is used for providing sealing and preventing liquid or gas from leaking, meanwhile friction and vibration between metal parts can be reduced, noise is reduced, the second rubber gasket is fixedly arranged in the first clamping hoop and the second clamping hoop, the second rubber gasket is also used for enhancing sealing performance, and when the first clamping hoop and the second clamping hoop are fastened, the first rubber gasket and the second rubber gasket can provide certain elasticity and buffering to protect connected parts from being damaged.
As a preferred implementation mode of the high-strength double-flange limiting expansion joint, the first clamp and the second clamp are both clamped on the outer side of the upper flange plate of the first expansion joint.
The flange plate on the first expansion joint and the flange plate on the second expansion joint can be connected and fixed with the flange plate on the pipeline through the first clamp and the second clamp.
As a preferred implementation mode of the high-strength double-flange limiting expansion joint, one end of the bolt is connected to the second clamp through threads.
The flange plate is fixed by the first clamp and the second clamp due to the fact that one end of the bolt is connected to the second clamp through threads.
Compared with the prior art, the utility model has the advantages and positive effects that:
The operating personnel lengthen or shrink first telescopic joint and second telescopic joint to suitable position, screw up first nut and second nut on first threaded rod and the second threaded rod for first telescopic joint and second telescopic joint can fix the position of adjusting firmly, rotate first clamp and second clamp and place the ring flange that needs the connecting tube in first clamp and second clamp, screw up the bolt, make between the pipeline can carry out fixed connection through first telescopic joint and second telescopic joint, thereby solve the ring flange on first telescopic joint and the second telescopic joint and need the bolt-up to waste time and energy and be inconvenient for the technical problem of connection.
Drawings
FIG. 1 is a schematic view of a high strength double flange limit expansion joint according to the present utility model;
FIG. 2 is a schematic view of a fixing assembly of a high-strength double-flange limit expansion joint according to the present utility model;
FIG. 3 is a schematic view of a separation structure of a fixing assembly of a high-strength double-flange limit expansion joint according to the present utility model;
FIG. 4 is a schematic view of a connecting assembly of a high-strength double-flange limit expansion joint according to the present utility model.
Reference numerals
1. The device comprises a first expansion joint, a second expansion joint, a fixing assembly, 31, a first threaded rod, 32, a second threaded rod, 33, a first nut, 34, a second nut, 4, a first rubber pad, 5, a connecting assembly, 51, a first clamp, 52, a second clamp, 53, a rotating shaft, 54, bolts, 55 and a second rubber pad.
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.
As shown in fig. 1-4, the embodiment provides a technical scheme that the high-strength double-flange limiting expansion joint comprises a first expansion joint 1, wherein a second expansion joint 2 is arranged on the first expansion joint 1, a fixing assembly 3 is arranged on the first expansion joint 1, and a connecting assembly 5 is arranged on each of the first expansion joint 1 and the second expansion joint 2;
As shown in fig. 1 to 3, the fixing assembly 3 includes a first threaded rod 31 and a second threaded rod 32, the first threaded rod 31 is screwed with a first nut 33, and the second threaded rod 32 is screwed with a second nut 34;
As shown in fig. 1 and fig. 4, the connecting assembly 5 includes a first clamp 51, a rotating shaft 53 is rotatably connected between the first clamp 51 and a second clamp 52, a bolt 54 is screwed on the first clamp 51, an operator stretches or contracts the first telescopic joint 1 and the second telescopic joint 2 to a proper position, the length of the telescopic joint is adjusted according to actual needs so as to adapt to different installation spaces or connection requirements, after the telescopic joint is adjusted to a proper position, the first nut 33 and the second nut 34 on the first threaded rod 31 and the second threaded rod 32 are screwed, pressure can be applied to the telescopic joint through the rotating nuts, so that the telescopic joint is fixed at the adjusted position, the telescopic joint is ensured to be stable in the use process, then the first clamp 51 and the second clamp 52 are rotated, a flange plate of a pipeline to be connected is placed in the first clamp 51 and the second clamp 52, finally, the bolt 54 is screwed, the first clamp 51 and the second clamp 52 can be further fastened, the first telescopic joint 1 and the second telescopic joint 2 can be fixedly connected through the first telescopic joint 1 and the second telescopic joint 2, the problem that the fastening effect of the bolt 54 is difficult and the sealing performance of the flange plate is ensured in the operation process of the first telescopic joint is effectively, and the problem of the sealing performance of the telescopic joint is not required to be solved, and the problem is solved.
In the scheme, the condition that the first telescopic joint 1 and the second telescopic joint 2 are unstable is also existed, as shown in figures 1-3, the second telescopic joint 2 is connected in the first telescopic joint 1 in a sliding way, as the second telescopic joint 2 is connected in the first telescopic joint 1 in a sliding way, the first telescopic joint 1 and the second telescopic joint 2 can stretch to adjust the required length, the number of the first nuts 33 is three, the first nuts 33 are respectively arranged on two sides of a fixed block on the second telescopic joint 2 and one side of the fixed block on the first telescopic joint 1, the second nuts 34 are arranged on one side of the fixed block on the first telescopic joint 1, and as the number of the first nuts 33 is three, the three points can be used for fixing or adjusting the position between the first telescopic joint 1 and the second telescopic joint 2, the two sides of the fixed block on the second telescopic joint 2 are respectively provided with a first nut 33 for supporting and fixing at two ends of the second telescopic joint 2, one side of the fixed block on the first telescopic joint 1 is also provided with a first nut 33, and the first nut 33 is additionally arranged on one side of the first telescopic joint 1 for supporting and the first telescopic joint 1 is used for fixing the first end;
As shown in fig. 1-4, the flange plate positions of the first telescopic joint 1 and the second telescopic joint 2 are respectively fixed with a first rubber pad 4, the first clamp 51 and the second clamp 52 are respectively internally fixed with a second rubber pad 55, the first rubber pad 4 is fixed at the flange plate positions of the first telescopic joint 1 and the second telescopic joint 2, the first rubber pad 4 is used for providing sealing to prevent liquid or gas leakage, friction and vibration between metal parts can be reduced, noise is reduced, the second rubber pad 55 is fixed inside the first clamp 51 and the second clamp 52, the second rubber pad 55 is also used for enhancing sealing performance, when the first clamp 51 and the second clamp 52 are fastened, certain elasticity and buffering can be provided for protecting connected parts from being damaged, the first clamp 51 and the second clamp 52 are respectively clamped at the outer side of the flange plate on the first telescopic joint 1, and the first clamp 51 and the second clamp 52 are respectively clamped at the outer side of the flange plate on the first telescopic joint 1, so that the first telescopic joint 1 and the second telescopic joint 2 can be connected with the flange plate 52 through the first clamp 51 and the second clamp 52 through the first clamp 52 and the first clamp 52, and the second clamp 52 can be screwed on one end of the first clamp 52 and the first clamp 52.
Working principle:
As shown in fig. 1 to 4, firstly, the operator can easily adjust the length of the expansion joint according to the actual installation space and connection requirements, such adjustability allows the expansion joint to be used in a variety of different working environments, whether in a narrow space or where long-distance connection is required, secondly, by rotating the first nut 33 and the second nut 34 on the first threaded rod 31 and the second threaded rod 32, the position of the expansion joint can be precisely controlled, and it is ensured that it remains stable after fixing, the installation process is simplified, the installation time is reduced, and the installation accuracy is also improved, and then, the first clamp 51 and the second clamp 52 are used to provide a quick and reliable solution for the pipe connection, only by putting the flange of the pipe into the clamp, and then rotating the clamp, by tightening the bolts 54, the pipe connection is reinforced, the reliability of the system is ensured, and the requirement for maintenance is reduced, under long-term operation or under the condition of bearing large pressure and temperature changes is still stable and sealed.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. The high-strength double-flange limiting expansion joint is characterized by comprising a first expansion joint (1), wherein a second expansion joint (2) is arranged on the first expansion joint (1), a fixing assembly (3) is arranged on the first expansion joint (1), and connecting assemblies (5) are arranged on the first expansion joint (1) and the second expansion joint (2);
The fixing assembly (3) comprises a first threaded rod (31) and a second threaded rod (32), the first threaded rod (31) is connected with a first nut (33) in a threaded mode, and the second threaded rod (32) is connected with a second nut (34) in a threaded mode;
the connecting assembly (5) comprises a first clamp (51), a rotating shaft (53) is rotatably connected between the first clamp (51) and a second clamp (52), and a bolt (54) is connected to the first clamp (51) in a threaded mode.
2. A high-strength double-flange limiting telescopic joint as claimed in claim 1, wherein the second telescopic joint (2) is slidably connected in the first telescopic joint (1).
3. The high-strength double-flange limiting expansion joint according to claim 1, wherein the number of the first nuts (33) is three, the first nuts (33) are respectively arranged on two sides of a fixed block on the second expansion joint (2) and one side of the fixed block on the first expansion joint (1), and the second nuts (34) are arranged on one side of the fixed block on the first expansion joint (1).
4. The high-strength double-flange limiting expansion joint of claim 1, wherein the first rubber pad (4) is fixed at the flange plate of the first expansion joint (1) and the second expansion joint (2), and the second rubber pad (55) is fixed in the first clamp (51) and the second clamp (52).
5. The high-strength double-flange limiting expansion joint according to claim 1, wherein the first clamp (51) and the second clamp (52) are clamped on the outer side of the upper flange plate of the first expansion joint (1).
6. A high strength double flange limit expansion joint according to claim 1, characterized in that one end of said bolt (54) is screwed to the second clip (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421027249.7U CN222437299U (en) | 2024-05-13 | 2024-05-13 | A high-strength double-flange limited expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421027249.7U CN222437299U (en) | 2024-05-13 | 2024-05-13 | A high-strength double-flange limited expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222437299U true CN222437299U (en) | 2025-02-07 |
Family
ID=94400358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421027249.7U Active CN222437299U (en) | 2024-05-13 | 2024-05-13 | A high-strength double-flange limited expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222437299U (en) |
-
2024
- 2024-05-13 CN CN202421027249.7U patent/CN222437299U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207394224U (en) | A kind of Pipe leakage stopper | |
| CN112628500A (en) | Flange | |
| CN211314150U (en) | A high-pressure drilling and sealing device | |
| CN209164874U (en) | A pipeline compensator fixing device | |
| CN202647037U (en) | Quick mending leakage device for glass steel pipeline | |
| CN218914073U (en) | Flange convenient to connect | |
| CN219013691U (en) | Fixing belt locking device | |
| CN201122075Y (en) | External adjustable welded sealed high pressure heat exchanger | |
| CN110470431B (en) | Pump press fixtures and hydraulic test methods for radial piping | |
| CN221991244U (en) | A plugging device for water pipe maintenance and repair | |
| CN222669286U (en) | A high-performance damage-free elastic hoop for automobiles | |
| CN109538875B (en) | Plugging device and plugging method for low-pressure pipeline branch pipe joint | |
| CN223376847U (en) | Device for unidirectional detection of sealing effect of pipeline joint | |
| CN204829112U (en) | Fixture are rushed to repair to light -duty fast -assembling of high pressure pipeline | |
| CN219244509U (en) | Simple and quick survey and drawing blast furnace reducing pipe device | |
| CN220470952U (en) | Protection device for expansion joint on sealed pipeline | |
| CN222559430U (en) | A stainless steel seamless pipe joint | |
| CN223120911U (en) | Pipeline connection structure | |
| CN220749453U (en) | Heat supply pipeline maintenance device | |
| CN220320528U (en) | Buried pipeline anti-corrosion structure | |
| CN214037261U (en) | Composite flange with good leakage-proof performance | |
| CN213479530U (en) | Special-shaped leaking stoppage fixture | |
| CN224214883U (en) | Flange with reinforcing structure | |
| CN223924187U (en) | An easy-to-install hydraulic hose connector | |
| CN223191220U (en) | A small pneumatic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |