Butt welding ring loose flange expansion joint assembly

By introducing sliding angle scale and linear scale design into the butt-welded ring loose sleeve flange telescopic section assembly, the problem that existing components cannot monitor pipeline deformation and position deviation is solved, and intuitive monitoring of pipeline deformation is achieved and The early warning function ensures the safe operation of the pipeline system.

CN222297266UActive Publication Date: 2025-01-03ZHANGJIAGANG HUARI FLANGE
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Patent Information

Application Number
CN202420304551.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-19
Publication Date
2025-01-03
Estimated Expiration
2034-02-19

AI Technical Summary

Technical Problem

The existing butt-welded ring loose sleeve flange telescopic section components lack monitoring function, cannot accurately understand the deformation conditions and deformation tolerance limits of the pipeline, and cannot provide early warnings when abnormal situations occur.

Method used

A butt-welded ring loose-fitting flange telescopic joint assembly including a connecting assembly, an outer telescopic joint assembly and an inner telescopic joint assembly is designed. By installing a sliding angle scale and a linear scale scale on both sides of the equipment, the top wire is tightened to fix the angle. Scale scale realizes intuitive monitoring of pipeline deformation and position offset.

Benefits of technology

By observing the scales of the angle scale and the linear scale, you can intuitively understand the deformation and positional offset of the pipeline, provide early warning functions, and ensure the safe operation of the pipeline system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of flanges, in particular to a butt welding ring loose flange expansion joint assembly which comprises a connecting assembly, an outer expansion joint assembly and an inner expansion joint assembly, the right side of the connecting assembly and the outer expansion joint assembly are fixedly installed, and the inner wall of the outer expansion joint assembly and the inner expansion joint assembly are in sliding connection. The outer telescopic joint assembly comprises an outer telescopic joint shell, a sealing cover and a dustproof ring, the right side of the outer telescopic joint shell and the sealing cover are fixedly installed, a dustproof installation groove is formed in the inner wall of the sealing cover, the dustproof ring is embedded into the dustproof installation groove, and an angle graduated scale is slidably installed on the right side face of the sealing cover. After the two sides of equipment are connected with an external pipeline, the angle graduated scale slides, so that the middle graduation of the angle graduated scale is aligned with the linear graduation teeth, the jackscrew is tightened to fix the angle graduated scale, and the conditions of deformation, position deviation and the like of the pipeline can be intuitively known by observing the graduation of the angle graduated scale and the linear graduated scale in the use process.
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Description

Technical Field

[0001] The utility model relates to a flange expansion joint component, in particular to a butt-welded ring loose sleeve flange expansion joint component, belonging to the technical field of flanges. Background Art

[0002] The expansion joint assembly of the butt-welding ring loose flange is usually composed of a butt-welding ring loose flange, a pipe, a nut, a stuffing box and an expansion tube, wherein the butt-welding ring loose flange is connected to the pipe and fixed by nuts and stuffing boxes. When the pipeline is subjected to temperature changes or external forces, the expansion tube can expand and contract under the action of the butt-welding ring loose flange, thereby absorbing the displacement of the pipeline, thereby avoiding excessive stress or vibration of the pipeline and ensuring the safe operation of the pipeline system. At the same time, the deformation and position offset of the pipeline will be reflected on the expansion joint.

[0003] The existing butt-welded ring loose-sleeve flange expansion joint assembly does not have a monitoring function, and cannot accurately understand the deformation situation through the expansion joint, nor can it determine the deformation tolerance limit, and cannot issue an early warning when an abnormal situation occurs.

[0004] Therefore, there is an urgent need to improve a welding ring loose flange expansion joint assembly to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a butt-welded ring loose flange expansion joint assembly. After the two sides of the equipment are connected to the external pipeline, an angle scale is slid to align the middle scale of the angle scale with the linear scale teeth, and the top screw is tightened to fix the angle scale. During use, the deformation, position offset and the like of the pipeline can be intuitively understood by observing the scales of the angle scale and the linear scale.

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include: including a connecting component, an outer telescopic joint component and an inner telescopic joint component, the right side of the connecting component is fixedly installed with the outer telescopic joint component, the inner wall of the outer telescopic joint component is slidably connected with the inner telescopic joint component, the outer telescopic joint component includes an outer telescopic joint shell, a cover and a dustproof ring, the right side of the outer telescopic joint shell is fixedly installed with the cover, the inner wall of the cover is provided with a dustproof installation groove, the dustproof ring is embedded in the dustproof installation groove, the right side of the cover is slidably installed with an angle scale, and the outer wall of the inner telescopic joint is provided with a straight line scale

[0007] Preferably, a top screw is threadedly connected to the right side of the angle scale, and the top screw passes through the angle scale and interferes with the sealing cover.

[0008] Preferably, the connecting assembly includes a No. 1 connecting flange, a connecting pipe is fixedly connected to the right side of the No. 1 connecting flange, and a No. 2 connecting flange is fixedly connected to the right side of the connecting pipe.

[0009] Preferably, a sealing gasket is provided between the second connecting flange and the outer telescopic section housing, and communicating mounting holes are provided between the second connecting flange, the outer telescopic section housing and the cover, and bolts are fixedly installed in the mounting holes.

[0010] Preferably, the inner diameter of the sealing cover is smaller than the inner diameter of the outer telescopic joint housing.

[0011] Preferably, the inner telescopic joint assembly includes a No. 3 connecting flange, an inner pipe and an inner sealing shell, the left side of the No. 3 connecting flange is fixedly connected to the inner pipe, the left side of the inner pipe is fixedly connected to the inner sealing shell, and the inner sealing shell is slidably connected to the outer telescopic joint shell.

[0012] Preferably, a gasket installation groove is provided on the left side of the inner sealed shell, a sealing gasket is provided in the gasket installation groove, and a sealing pressure plate is fixedly installed on the left side of the inner sealed shell.

[0013] The utility model has at least the following beneficial effects:

[0014] 1. After connecting the two sides of the equipment to the external pipeline, slide the angle scale to align the middle scale of the angle scale with the linear scale teeth, tighten the top screw to fix the angle scale. During use, observe the scales of the angle scale and the linear scale to intuitively understand the deformation, position offset, etc. of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 An isometric structural schematic diagram provided for the utility model;

[0017] Figure 2 This is an isometric structural diagram of the connection assembly provided by the utility model;

[0018] Figure 3 This is an isometric structural diagram of the external telescopic joint assembly provided by the utility model;

[0019] Figure 4 A cross-sectional view of an outer telescopic joint assembly provided by the utility model;

[0020] Figure 5 This is an isometric structural schematic diagram of the inner telescopic joint assembly provided by the utility model.

[0021] Figure 6 A cross-sectional view of the inner telescopic joint assembly provided by the utility model

[0022] In the figure, 1. connecting assembly; 2. outer expansion joint assembly; 3. inner expansion joint assembly; 4. outer expansion joint shell; 5. sealing cover; 6. dustproof ring; 7. dustproof mounting groove; 8. angle scale; 9. linear scale; 10. top screw; 11. No. 1 connecting flange; 12. connecting pipe; 13. No. 2 connecting flange; 14. sealing gasket; 15. mounting hole; 16. bolt; 17. No. 3 connecting flange; 18. inner pipe; 19. inner sealing shell; 20. gasket mounting groove; 21. sealing gasket; 22. sealing pressure plate. DETAILED DESCRIPTION

[0023] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0024] like Figure 1-Figure 6 As shown, the welding ring loose flange expansion joint assembly provided in this embodiment includes a connecting assembly 1, an outer expansion joint assembly 2 and an inner expansion joint assembly 3. The right side of the connecting assembly 1 is fixedly installed with the outer expansion joint assembly 2, and the inner wall of the outer expansion joint assembly 2 is slidably connected with the inner expansion joint assembly 3. The outer expansion joint assembly 2 includes an outer expansion joint shell 4, a cover 5 and a dustproof ring 6. The right side of the outer expansion joint shell 4 is fixedly installed with the cover 5. The inner wall of the cover 5 is provided with a dustproof installation groove 7, and the dustproof ring 6 is embedded in the dustproof installation groove 7. An angle scale 8 is slidably installed on the right side of the cover 5. The inner expansion joint assembly A linear scale 9 is provided on the outer wall of the component 3, the inner telescopic joint component 3 slides in the outer telescopic joint shell 4, the inner circle of the dust ring 6 is close to the outer wall of the inner telescopic joint component 3, preventing most of the dust from entering the shell of the inner telescopic joint component 3 to extend the use time of the equipment, the connecting component 1 and the inner telescopic joint component 3 are connected to the external pipeline, and the angle scale 8 is slid after the two sides of the equipment are connected to the external pipeline to align the middle scale of the angle scale 8 with the linear scale teeth. During use, the deformation, position offset, etc. of the pipeline can be intuitively understood by observing the scales of the angle scale 8 and the linear scale 9.

[0025] Further, such as Figure 3 as well as Figure 4 As shown, a top screw 10 is threadedly connected to the right side of the angle scale 8. The top screw 10 passes through the angle scale 8 and contacts the cover 5. When the installation is completed, the top screw 10 is tightened to fix the angle scale 8.

[0026] Among them, Figure 2 As shown, the connection assembly 1 includes a No. 1 connection flange 11, a connection pipe 12 is fixedly connected to the right side of the No. 1 connection flange 11, a No. 2 connection flange 13 is fixedly connected to the right side of the connection pipe 12, the No. 1 flange is connected to the external pipe, and the gap between the No. 1 flange and the No. 2 flange leaves sufficient space for installation.

[0027] Further, such as Figure 1 , Figure 2 as well as Figure 4 As shown, a sealing gasket 14 is provided between the No. 2 connecting flange 13 and the outer telescopic joint housing 4, and a communicating mounting hole 15 is provided between the No. 2 connecting flange 13 and the outer telescopic joint housing 4 and the cover 5. A bolt 16 is fixedly installed in the mounting hole 15. Tightening the bolt 16 makes the connection assembly 1 and the outer telescopic joint assembly 2 seal.

[0028] Among them, Figure 1 as well as Figure 4 As shown, the inner diameter of the cover 5 is smaller than the inner diameter of the outer telescopic joint housing 4, and acts as a limit to the inner telescopic joint assembly 3 when the inner telescopic joint assembly 3 moves to the right.

[0029] Among them, Figure 1 , Figure 5 as well as Figure 6 As shown, the inner telescopic joint assembly 3 includes a No. 3 connecting flange 17, an inner pipe 18 and an inner sealing shell 19. The left side of the No. 3 connecting flange 17 is fixedly connected to the inner pipe 18, the left side of the inner pipe 18 is fixedly connected to the inner sealing shell 19, and the inner sealing shell 19 is slidably connected to the outer telescopic joint shell 4.

[0030] Further, such as Figure 1 as well as Figure 6 As shown, a gasket installation groove 20 is provided on the left side of the inner sealing shell 19, and a sealing gasket 21 is provided in the gasket installation groove 20. A sealing pressure plate 22 is fixedly installed on the left side of the inner sealing shell 19. Under the extrusion of the sealing pressure plate 22, the sealing gasket 21 is deformed and squeezes the outer telescopic joint shell 4 to play a sealing role.

[0031] like Figure 1-Figure 6As shown, the principle of the welding ring loose flange expansion joint assembly provided in this embodiment is as follows: the right side of the connecting assembly 1 is fixedly installed with the outer expansion joint assembly 2, the inner wall of the outer expansion joint assembly 2 is slidably connected with the inner expansion joint assembly 3, the outer expansion joint assembly 2 includes an outer expansion joint shell 4, a cover 5 and a dust ring 6, an angle scale 8 is slidably installed on the right side of the cover 5, and a top screw 10 is threadedly connected to the right side of the angle scale 8, and the top screw 10 passes through the angle scale 8 and conflicts with the cover 5, and a linear scale 9 is provided on the outer wall of the inner expansion joint assembly 3, and the inner expansion joint assembly 3 is on the outer The expansion joint shell 4 slides inside, and the inner circle of the dustproof ring 6 is close to the outer wall of the inner expansion joint component 3, which prevents most of the dust from entering the shell of the inner expansion joint component 3 to extend the use time of the equipment. The connecting component 1 and the inner expansion joint component 3 are connected to the external pipeline. After the two sides of the equipment are connected to the external pipeline, the angle scale 8 is slid to align the middle scale of the angle scale 8 with the linear scale teeth, and the top screw 10 is tightened to fix the angle scale 8. During use, the deformation, position offset, etc. of the pipeline can be intuitively understood by observing the scales of the angle scale 8 and the linear scale 9.

[0032] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0033] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0034] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A butt-welded ring loose flange expansion joint assembly, comprising a connection assembly (1), an outer expansion joint assembly (2) and an inner expansion joint assembly (3), characterized in that: The right side of the connecting component (1) is fixedly mounted on the outer telescopic joint component (2); the inner wall of the outer telescopic joint component (2) is slidably connected to the inner telescopic joint component (3); the outer telescopic joint component (2) comprises an outer telescopic joint shell (4), a cover (5) and a dustproof ring (6); the right side of the outer telescopic joint shell (4) is fixedly mounted on the cover (5); the inner wall of the cover (5) is provided with a dustproof mounting groove (7); the dustproof ring (6) is embedded in the dustproof mounting groove (7); an angle scale (8) is slidably mounted on the right side of the cover (5); and a linear scale (9) is provided on the outer wall of the inner telescopic joint component (3).

2. A butt-welded ring loose flange expansion joint assembly according to claim 1, characterized in that: A top screw (10) is threadedly connected to the right side of the angle scale (8), and the top screw (10) passes through the angle scale (8) and contacts the cover (5).

3. The butt-welded ring loose flange expansion joint assembly according to claim 1, characterized in that: The connection assembly (1) comprises a first connection flange (11), a connection pipe (12) being fixedly connected to the right side of the first connection flange (11), and a second connection flange (13) being fixedly connected to the right side of the connection pipe (12).

4. A butt-welded ring loose flange expansion joint assembly according to claim 3, characterized in that: A sealing gasket (14) is provided between the second connecting flange (13) and the outer telescopic joint housing (4), and a communicating mounting hole (15) is provided between the second connecting flange (13), the outer telescopic joint housing (4) and the cover (5), and a bolt (16) is fixedly installed in the mounting hole (15).

5. The butt-welded ring loose flange expansion joint assembly according to claim 1, characterized in that: The inner diameter of the sealing cover (5) is smaller than the inner diameter of the outer telescopic joint housing (4).

6. The butt-welded ring loose flange expansion joint assembly according to claim 1, characterized in that: The inner telescopic joint assembly (3) comprises a No. 3 connecting flange (17), an inner pipe (18) and an inner sealing shell (19); the left side of the No. 3 connecting flange (17) is fixedly connected to the inner pipe (18); the left side of the inner pipe (18) is fixedly connected to the inner sealing shell (19); and the inner sealing shell (19) is slidably connected to the outer telescopic joint shell (4).

7. The butt-welded ring loose flange expansion joint assembly according to claim 6, characterized in that: A gasket installation groove (20) is provided on the left side of the inner sealing shell (19), a sealing gasket (21) is provided in the gasket installation groove (20), and a sealing pressure plate (22) is fixedly installed on the left side of the inner sealing shell (19).