A multi-purpose flange

By using the outer frame assembly and extension assembly of the multi-purpose flange, the problems of unstable pipeline connections and insufficient load-bearing capacity under high pressure and high temperature are solved, achieving stable connection and safe operation in complex environments.

CN224283827UActive Publication Date: 2026-05-26NINGBO JINLIHUI MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO JINLIHUI MACHINERY CO LTD
Filing Date
2025-07-09
Publication Date
2026-05-26

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Abstract

This utility model discloses a multi-purpose flange, comprising: a flange body, an outer frame assembly, and an extension assembly. The flange body has a connecting groove on its exterior and an annular groove in its center. The outer frame assembly is disposed inside the connecting groove to accommodate irregular bends and connection points in the internal piping of a ship. The extension assembly is disposed on the back of the flange body to accommodate different pressure and temperature conditions in high-pressure piping systems. This utility model allows for flexible replacement of outer frame assemblies of different shapes to accommodate irregular bends and connection points in the internal piping of a ship, achieving tight connections with various complex pipelines. This significantly improves the versatility of the flange in complex marine piping environments and reduces the cost and time required to customize special flanges due to irregular pipelines.
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Description

Technical Field

[0001] This utility model relates to the field of flange technology, and in particular to a multi-purpose flange. Background Technology

[0002] A flange, also called a flange plate or flange, is a part used to connect pipes to pipes, pipes to valves, and equipment. They are usually used in pairs and are connected together by bolts, with a sealing gasket placed in between to achieve a sealed connection and fluid transmission in the piping system.

[0003] In existing technologies, during ship construction and operation, the internal piping layout of the hull is complex, with numerous irregular bends and connections. For example, in the ship's engine room, due to space constraints and equipment layout, pipelines must avoid many obstacles, resulting in diverse connection shapes. Traditional flange structures are fixed and difficult to connect tightly and stably to these irregular pipelines, easily leading to leaks. This can affect the normal operation of the ship's power, cooling, and other systems, and even cause safety accidents. In high-pressure piping systems in industries such as petrochemicals and power, different pressure and temperature conditions place extremely high demands on flange performance. For example, in high-temperature and high-pressure steam piping systems, flanges must withstand enormous pressure and high temperatures. If the flange neck thickness and length are insufficient, problems such as deformation and leakage can easily occur, affecting the normal operation of the piping system and even causing serious accidents such as explosions. The fixed thickness and length of traditional flange necks make it difficult to meet the load-bearing requirements of different operating conditions. Utility Model Content

[0004] Therefore, it is necessary to provide a multi-purpose flange to address the aforementioned technical problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A multi-purpose flange comprising:

[0007] The flange body has a connecting groove on its outer side and an annular groove in its middle.

[0008] An outer frame assembly is disposed inside the connecting groove to accommodate irregular bends and connection points of pipes inside the hull.

[0009] An extension assembly is disposed on the back of the flange body to accommodate different pressure and temperature conditions in a high-pressure piping system.

[0010] As a preferred embodiment of the multi-purpose flange provided by this utility model, the outer frame assembly includes two circular frames, one of which has four square grooves evenly opened on its front side.

[0011] In a preferred embodiment of the multi-purpose flange provided by this utility model, a threaded rod is installed inside the square groove, and a square gasket is connected to one end of the threaded rod. The square gasket is movably embedded inside the square groove.

[0012] In a preferred embodiment of the multi-purpose flange provided by this utility model, four circular grooves are evenly provided on the back of another circular frame. A threaded connector is installed inside the circular groove. One end of the threaded connector is provided with a threaded groove, and one end of the threaded rod is threadedly connected to the inner wall of the threaded groove.

[0013] In a preferred embodiment of the multi-purpose flange provided by this utility model, the other end of the threaded connector is connected to a round washer, which is movably embedded inside the round groove.

[0014] In a preferred embodiment of the multi-purpose flange provided by this utility model, the growth assembly includes four arc-shaped plates, and the inner walls of the arc-shaped plates are connected to irregularly shaped engaging parts.

[0015] In a preferred embodiment of the multi-purpose flange provided by this utility model, the arc-shaped plate is movably embedded inside the annular groove, and the irregularly shaped engaging component is engaged and connected to the inner wall of the flange body.

[0016] In a preferred embodiment of the multi-purpose flange provided by this utility model, both sides of the inner wall of the irregularly shaped snap-fit ​​component are connected to connecting plates, and both ends of the connecting plates are provided with connecting holes.

[0017] In a preferred embodiment of the multi-purpose flange provided by this utility model, a bolt is connected between the two corresponding connecting holes, and a nut is connected to one end of the bolt.

[0018] In a preferred embodiment of the multi-purpose flange provided by this utility model, a circular ring is movably connected inside the annular groove.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] This utility model provides a multi-purpose flange that can flexibly replace different shaped outer frame components according to the irregular bends and connection parts of the internal pipelines of the ship, achieving a tight connection with various complex pipelines. This greatly improves the versatility of the flange in the complex pipeline environment of ships, reduces the cost and time required to customize special flanges due to irregular pipelines. The square and round gaskets are made of elastic materials such as rubber, which not only effectively prevents slipping but also fits tightly to the pipeline surface, enhancing the sealing of the connection and effectively preventing media leakage. This ensures the safe and stable operation of the ship's pipeline system and reduces the risk of equipment damage and environmental pollution caused by leakage. The threaded connection method allows for convenient and quick installation and adjustment of the outer frame components, improving construction efficiency and reducing construction costs. Construction personnel can quickly complete the connection between the flange and the pipeline without complicated tools and professional skills, shortening the ship construction and maintenance cycle.

[0021] This utility model provides a multi-purpose flange that increases the thickness and length of the flange neck by extending the extension component, effectively improving the flange's load-bearing capacity. This allows the flange to adapt to different pressure and temperature conditions, ensuring the safe operation of pipeline systems under harsh conditions such as high pressure and high temperature. It also reduces the risk of pipeline accidents caused by insufficient flange load-bearing capacity. The extension component can be flexibly installed according to actual working conditions to meet the usage requirements of different scenarios, improving the flange's versatility and economy. It eliminates the need to prepare multiple specifications of flanges for different pressure and temperature conditions, reducing inventory costs and management difficulties. The tight snap-fit ​​connection between the irregularly shaped fitting and the inner wall of the flange body, as well as the fixing method of bolts and nuts, ensures the stability of the connection between the extension component and the flange body, improving the overall performance of the flange. Even under long-term high pressure and high temperature, it can ensure a firm connection that is not easy to loosen or fall off. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A schematic diagram of the overall structure of this utility model;

[0024] Figure 2 A schematic diagram of the circular groove structure provided by this utility model;

[0025] Figure 3 A schematic diagram of the outer frame component structure provided by this utility model;

[0026] Figure 4 A schematic diagram of the circular frame structure provided by this utility model;

[0027] Figure 5 A schematic diagram of the growth component structure provided by this utility model;

[0028] Figure 6 This is a schematic diagram of the irregularly shaped snap-fit ​​component provided by this utility model.

[0029] The markings in the diagram are explained as follows:

[0030] 1. Flange body; 2. Connecting groove; 3. Outer frame assembly; 31. Round frame; 32. Square groove; 33. Threaded rod; 34. Square gasket; 35. Round groove; 36. Threaded connector; 37. Threaded groove; 38. Round gasket; 4. Annular groove; 5. Circular ring; 6. Extension assembly; 61. Arc plate; 62. Irregular snap-fit ​​component; 63. Connecting plate; 64. Connecting hole; 65. Bolt; 66. Nut. Detailed Implementation

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention. Example

[0032] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 A multi-purpose flange includes a flange body 1 and an outer frame assembly 3. The flange body 1 has a connecting groove 2 on its exterior and an annular groove 4 in its center. The outer frame assembly 3 is disposed inside the connecting groove 2 to accommodate irregular bends and connections in internal pipework of a ship. The outer frame assembly 3 includes two circular frames 31. One circular frame 31 has four square grooves 32 evenly distributed on its front side. A threaded rod 33 is installed inside the square groove 32, and one end of the threaded rod 33 is connected to a square washer 34, which is movably embedded inside the square groove 32. The other circular frame 31 has four circular grooves 35 evenly distributed on its back side. A threaded connector 36 is installed inside the circular groove 35, and one end of the threaded connector 36 has a threaded groove 37. One end of the threaded rod 33 is threadedly connected to the inner wall of the threaded groove 37. The other end of the threaded connector 36 is connected to a circular washer 38, which is movably embedded inside the circular groove 35.

[0033] It is worth mentioning that in the case of pipeline connections in the ship's engine room, cargo hold, living quarters, etc., when it is necessary to connect the flange to irregular pipelines inside the hull, firstly, according to the specific shape of the pipeline and the connection requirements, select an outer frame assembly 3 of a suitable shape. For example, for pipeline connection parts with large bending angles, an outer frame assembly 3 with corresponding curvature and angle can be selected. Install the outer frame assembly 3 into the connection groove 2 of the flange body 1. By rotating the threaded rod 33, adjust the distance between the two round frames 31 so that the square gasket 34 and the round gasket 38 fit tightly against the pipeline surface. The square gasket 34 and the round gasket 38 are made of elastic materials such as rubber, which not only play a role in anti-slip but also enhance the sealing of the connection and effectively prevent media leakage. At the same time, connect the outer frame assembly 3 to the pipeline through the mounting holes to ensure the firmness of the connection.

[0034] Preferably, the flange also includes an extension component 6, which is disposed on the back of the flange body 1 to adapt to different pressure and temperature conditions in the high-pressure pipeline system. The extension component 6 includes four arc-shaped plates 61, the inner walls of which are connected to shaped engaging members 62. The arc-shaped plates 61 are movably embedded inside the annular groove 4, and the shaped engaging members 62 are engaged with the inner wall of the flange body 1. Connecting plates 63 are connected to both sides of the inner wall of the shaped engaging members 62, and connecting holes 64 are provided at both ends of the connecting plates 63. Bolts 65 are connected between corresponding pairs of connecting holes 64, and one end of each bolt 65 is connected to a nut 66. A circular ring 5 is movably connected inside the annular groove 4.

[0035] Through the above structural design, in high-pressure pipeline systems of industries such as petrochemicals, power, and metallurgy, when the pipeline system needs to withstand higher pressure and temperature, the extension component 6 is installed on the back of the flange body 1. First, four arc-shaped plates 61 are respectively embedded into the annular groove 4, so that the irregularly shaped engaging piece 62 is engaged with the inner wall of the flange body 1. Then, bolts 65 and nuts 66 are used to fix the corresponding connecting plates 63, thereby increasing the thickness and length of the flange neck. The extension component 6 is made of high-strength, high-temperature resistant materials, which can effectively improve the bearing capacity of the flange, enabling it to withstand higher pressure and temperature. When the extension component 6 is not needed, the ring 5 is installed inside the annular groove 4, so that the flange returns to its original state without affecting its normal use.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A multi-purpose flange, comprising, characterized in that: Flange body (1), the flange body (1) has a connecting groove (2) on its outside and an annular groove (4) in its middle. The outer frame assembly (3) is disposed inside the connecting groove (2) to accommodate irregular bends and connection points of the internal pipes of the hull; Growth component (6), which is disposed on the back of flange body (1) to accommodate different pressure and temperature conditions in high-pressure pipeline systems.

2. The multi-purpose flange according to claim 1, characterized in that, The outer frame assembly (3) includes two circular frames (31), one of which has four square slots (32) evenly distributed on its front side.

3. A multi-purpose flange according to claim 2, characterized in that, A threaded rod (33) is installed inside the square groove (32), and a square pad (34) is connected to one end of the threaded rod (33). The square pad (34) is movably embedded inside the square groove (32).

4. A multi-purpose flange according to claim 3, characterized in that, The other circular frame (31) has four circular grooves (35) evenly distributed on its back side. A threaded connector (36) is installed inside the circular groove (35). One end of the threaded connector (36) has a threaded groove (37). One end of the threaded rod (33) is threadedly connected to the inner wall of the threaded groove (37).

5. A multi-purpose flange according to claim 4, characterized in that, The other end of the threaded connector (36) is connected to a round washer (38), which is movably embedded inside the round groove (35).

6. A multi-purpose flange according to claim 1, characterized in that, The growth component (6) includes four arc-shaped plates (61), the inner walls of which are connected to irregularly shaped fasteners (62).

7. A multi-purpose flange according to claim 6, characterized in that, The arc plate (61) is movably embedded inside the annular groove (4), and the irregular snap-fit ​​part (62) is snap-fitted to the inner wall of the flange body (1).

8. A multi-purpose flange according to claim 7, characterized in that, The inner walls of the irregularly shaped fastener (62) are connected to both sides of a connecting plate (63), and both ends of the connecting plate (63) are provided with connecting holes (64).

9. A multi-purpose flange according to claim 8, characterized in that, A bolt (65) is connected between the two corresponding connecting holes (64), and a nut (66) is connected to one end of the bolt (65).

10. A multi-purpose flange according to claim 9, characterized in that, The annular groove (4) is movably connected to a circular ring (5).