High-pressure sealing pipeline flange

Abstract

The utility model provides a high-pressure sealing pipeline flange which comprises a pipeline body and further comprises a flange structure, the flange structure comprises a flange body, a gasket and a first fixing piece, and the flange body is fixedly installed at a connector of the pipeline body; the two sealing structures are symmetrically mounted on the two sides of the flange body; the discharging structure is mounted in the sealing structure in a sliding manner; and the two reset structures are fixedly mounted on the sealing structure. According to the high-pressure sealing pipeline flange provided by the utility model, the storage cavity is formed between the two sealing shells, when a medium leaks from the flange body and enters the storage cavity for storage, and when the flange body is replaced, the insertion rod is firstly pressed to drive the sealing plug to move into the storage cavity, and the plugging of the second through hole is relieved; and the medium flows out of the storage cavity through the second through hole and the first through hole and then is collected, so that the medium is prevented from being directly discharged into the external environment.

Description

Technical Field

[0001] This utility model relates to the field of pipe flanges, and in particular to a high-pressure sealing pipe flange. Background Technology

[0002] A flange is a disc-shaped part that is typically used to connect pipes, valves, pumps and other equipment to form a detachable connection while ensuring the sealing and strength of the connection. For example, high-pressure sealing pipe flanges can ensure the sealing and safety of the pipeline system under high pressure.

[0003] During use, high-pressure sealing flanges may experience weakening or even failure in sealing performance over prolonged periods due to the high internal pressure of the pipeline, leading to leakage of the internal medium. If the medium is toxic or corrosive, it can also cause harm to the public and the environment.

[0004] Therefore, it is necessary to provide a high-pressure sealing pipe flange to solve the above-mentioned technical problems. Utility Model Content

[0005] This utility model provides a high-pressure sealing pipeline flange, which solves the problem that the sealing effect of the flange may weaken or even fail after long-term use, leading to leakage of internal media.

[0006] To solve the above-mentioned technical problems, the present invention provides a high-pressure sealing pipeline flange, comprising: a pipeline body, and further comprising: a flange structure, wherein the flange structure comprises a flange body, a gasket and a first fixing member, the flange body is fixedly installed at the interface of the pipeline body, the gasket is placed between the flange bodies, and the first fixing member passes through the flange body and the gasket and is rotatably installed on the flange body for fixing the flange body and the gasket;

[0007] Two sealing structures are symmetrically installed on both sides of the flange body, forming a receiving space with the pipe body and the flange body for storing leaked media;

[0008] A discharge structure, which is slidably installed within the sealing structure, is used to discharge the stored medium;

[0009] Two reset structures are fixedly installed on the sealing structure and located on both sides of the discharge structure.

[0010] Preferably, the sealing structure includes a sealing shell and a storage cavity. Two sealing shells are symmetrically installed on both sides of the flange body, and the storage cavity is formed between the two sealing shells to store the medium leaked from the flange body.

[0011] Preferably, the sealing structure further includes an arc-shaped plate, a fixed plate, and a second fixing member. The arc-shaped plate is installed on both sides of the sealing shell, and the fixed plate is installed on the edges of both the sealing shell and the arc-shaped plate. The second fixing member passes through the fixed plate and is rotatably installed on the fixed plate.

[0012] Preferably, the sealing structure further includes a first through hole and a second through hole. The sealing shell has the first through hole and the second through hole, which are connected. The diameter of the first through hole is smaller than the diameter of the second through hole, and the second through hole is connected to the storage cavity.

[0013] Preferably, the discharge structure includes a plug rod and a sealing plug. The plug rod is slidably installed in the first through hole and the second through hole. One end of the plug rod is rotatably connected to the reset structure, and the other end of the plug rod is fitted with the sealing plug, which is adapted to the second through hole.

[0014] Preferably, the reset structure includes a protective shell, a slider, an elastic element, and a connecting rod. The protective shell is mounted on the sealing shell and located on both sides of the plug rod. The slider is slidably mounted inside the protective shell. The elastic element is mounted between the protective shell and the slider. The two ends of the connecting rod are rotatably connected to the plug rod and the slider, respectively.

[0015] Preferably, the high-pressure sealing pipe flange further includes a seepage prevention structure, which is installed on the fixing plate to prevent leaked media from flowing out between the two fixing plates.

[0016] Preferably, the seepage-proof structure includes interlocking teeth and a leak-proof pad, both of the fixing plates are provided with the interlocking teeth, and the interlocking teeth of the two fixing plates are engaged and connected, and the leak-proof pad is disposed between the interlocking teeth.

[0017] Compared with related technologies, the high-pressure sealing pipeline flange provided by this utility model has the following advantages:

[0018] This utility model provides a high-pressure sealed pipeline flange, which forms a storage cavity between two sealing shells. When the medium leaks from between the flange bodies, it first enters the storage cavity to store the medium and prevent it from leaking directly into the external environment. When replacing the flange body, the plug rod is first pressed into the first through hole and moved into the storage cavity. The plug rod drives the sealing plug to move and release the blockage of the second through hole. The medium flows out of the storage cavity through the second through hole and the first through hole. The leaked medium is discharged and collected, avoiding direct discharge of the medium into the external environment and preventing harm and pollution to the public and the environment. Attached Figure Description

[0019] Figure 1 A schematic diagram of a preferred embodiment of the high-pressure sealing pipe flange provided by this utility model;

[0020] Figure 2 This is a schematic diagram of the flange structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the structure in a side cross-section of this utility model;

[0022] Figure 4 This is a schematic diagram of the structure in frontal cross-section of this utility model;

[0023] Figure 5 for Figure 4 The enlarged schematic diagram of part A shown below;

[0024] Figure 6 This is a schematic diagram of another embodiment;

[0025] Figure 7 This is a schematic diagram of the structure in a side cross-section of another embodiment;

[0026] Figure 8 for Figure 7 The enlarged schematic diagram of part B is shown.

[0027] Numbering on the map:

[0028] 1. Pipe body;

[0029] 2. Flange structure; 21. Flange body; 22. Gasket; 23. First fastener;

[0030] 3. Sealing structure; 31. Sealing shell; 311. First through hole; 312. Second through hole; 32. Storage cavity; 33. Arc-shaped plate; 34. Fixing plate; 35. Second fixing component;

[0031] 4. Emission structure; 41. Connecting rod; 42. Sealing plug;

[0032] 5. Reset structure; 51. Protective shell; 52. Slider; 53. Elastic element; 54. Connecting rod;

[0033] 6. Leak-proof structure; 61. Interlocking teeth; 62. Leak-proof pad. Detailed Implementation

[0034] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0035] First Embodiment

[0036] Please refer to the following: Figure 1 and Figure 2A high-pressure sealing pipe flange includes: a pipe body 1, and a flange structure 2. The flange structure 2 includes a flange body 21, a gasket 22, and a first fixing member 23. The flange body 21 is fixedly installed at the interface of the pipe body 1. The gasket 22 is placed between the flange bodies 21. The first fixing member 23 passes through the flange body 21 and the gasket 22 and is rotatably installed on the flange body 21 for fixing the flange body 21 and the gasket 22.

[0037] Two sealing structures 3 are symmetrically installed on both sides of the flange body 21, forming a receiving space with the pipe body 1 and the flange body 21 for storing the leaked medium;

[0038] Discharge structure 4, which is slidably installed within the sealing structure 3, is used to discharge the stored medium;

[0039] Two reset structures 5 are fixedly installed on the sealing structure 3 and located on both sides of the discharge structure 4;

[0040] In use, flange bodies 21 are installed between pipe bodies 1, gaskets 22 are placed between the two flange bodies 21, and flange bodies 21 are fixed by the first fastener 23. Two sealing structures 3 are installed on the outside of flange bodies 21 and pipe bodies 1, wrapping flange bodies 21 and forming a containment space between the two sealing structures 3. When the medium leaks from between the two flange bodies 21, it first enters the containment space to store the leaked medium and prevent it from being directly discharged into the external environment. When replacing a damaged flange body 21, the discharge structure 4 is first opened to discharge and collect the leaked medium to prevent it from leaking into the external environment and causing pollution. Then, the discharge structure 4 is reset to its initial position through the reset structure 5, and the sealing structure 3 is resealed. After that, the sealing structure 3 is removed and the damaged flange body 21 is replaced.

[0041] Please refer to the following: Figure 3 and Figure 4 The sealing structure 3 includes a sealing shell 31 and a storage cavity 32. Two sealing shells 31 are symmetrically installed on both sides of the flange body 21, and the storage cavity 32 is formed between the two sealing shells 31 to store the medium leaked from the flange body 21.

[0042] After the flange body 21 is installed, two sealing shells 31 are installed on the outside of the flange body 21 to wrap the flange body 21, forming a storage cavity 32 between the two sealing shells 31. When the medium leaks, it first enters the storage cavity 32 to store the medium, preventing the medium from being directly discharged into the external environment and causing harm and pollution to the public and the environment.

[0043] Please refer to the following: Figure 1 , Figure 3 and Figure 4 The sealing structure 3 further includes an arc-shaped plate 33, a fixing plate 34, and a second fixing member 35. The arc-shaped plate 33 is installed on both sides of the sealing shell 31. The fixing plate 34 is installed on the edges of both the sealing shell 31 and the arc-shaped plate 33. The second fixing member 35 passes through the fixing plate 34 and is rotatably installed on the fixing plate 34.

[0044] After the flange body 21 is installed, when the two sealing shells 31 are wrapped around the outside of the flange body 21, the two arc plates 33 are simultaneously wrapped around the outside of the pipe body 1. After aligning the fixing plates 34 on the outside of the sealing shells 31 and the arc plates 33, the sealing shells 31 and the arc plates 33 are fixed by the second fixing member 35. The arc plates 33 clamp and fix the pipe body 1 to prevent the pipe body 1 from shaking due to collision, which would affect the sealing effect of the flange body 21.

[0045] Please refer to the following: Figure 3 , Figure 4 and Figure 5 The sealing structure 3 further includes a first through hole 311 and a second through hole 312. The sealing shell 31 has the first through hole 311 and the second through hole 312. The first through hole 311 and the second through hole 312 are connected. The diameter of the first through hole 311 is smaller than the diameter of the second through hole 312, and the second through hole 312 is connected to the storage cavity 32.

[0046] When the flange body 21 leaks, the storage cavity 32 stores the leaked medium. The discharge structure 4 blocks the first through hole 311 and the second through hole 312 to prevent the medium from flowing out. Before replacing the flange body 21, the maintenance personnel first press the discharge structure 4 to move it into the storage cavity 32. The medium in the storage cavity 32 flows out through the second through hole 312 and the first through hole 311. The maintenance personnel collect the discharged medium. After the medium is emptied, stop pressing the discharge structure 4 and restore the discharge structure 4 to its original position through the reset structure 5. Then, block the first through hole 311 and the second through hole 312 again. After that, the maintenance personnel disassemble the sealing shell 31 and the arc plate 33 and replace the flange body 21.

[0047] Please refer to the following: Figure 4 and Figure 5 The discharge structure 4 includes a plug rod 41 and a sealing plug 42. The plug rod 41 is slidably installed in the first through hole 311 and the second through hole 312. One end of the plug rod 41 is rotatably connected to the reset structure 5. The other end of the plug rod 41 is equipped with the sealing plug 42, and the sealing plug 42 is adapted to the second through hole 312.

[0048] Before installing the sealing shell 31, the plug rod 41 is inserted into the first through hole 311, and the sealing plug 42 blocks the second through hole 312. When it is necessary to discharge the medium in the storage cavity 32, press the plug rod 41 to move it into the storage cavity 32. The plug rod 41 drives the sealing plug 42 to move, releasing the blockage of the second through hole 312. The medium flows out of the storage cavity 32 through the second through hole 312 and the first through hole 311. After all the medium has flowed out, stop pressing the plug rod 41. The reset structure 5 pushes the plug rod 41 to move outward from the storage cavity 32 to the initial position in the first through hole 311. The plug rod 41 drives the sealing plug 42 to re-insert into the second through hole 312 to block it again, thus achieving the purpose of discharging the medium stored in the storage cavity 32.

[0049] Please refer to the following: Figure 1 , Figure 4 and Figure 5 The reset structure 5 includes a protective shell 51, a slider 52, an elastic element 53, and a connecting rod 54. The protective shell 51 is mounted on the sealing shell 31 and located on both sides of the plug rod 41. The slider 52 is slidably mounted inside the protective shell 51. The elastic element 53 is mounted between the protective shell 51 and the slider 52. The two ends of the connecting rod 54 are rotatably connected to the plug rod 41 and the slider 52, respectively.

[0050] When it is necessary to discharge the medium in the storage cavity 32, pressing the plug rod 41 causes the sealing plug 42 to move into the storage cavity 32. At the same time, the plug rod 41 drives the slider 52 to slide into the protective shell 51 through the connecting rod 54. The slider 52 squeezes the elastic element 53. When the pressing of the plug rod 41 is stopped, the elastic element 53 pushes the slider 52 to slide outward of the protective shell 51. The slider 52 pushes the plug rod 41 to move back to the initial position through the connecting rod 54, causing the sealing plug 42 to be reinserted into the second through hole 312, thus achieving the effect of automatically resetting the sealing plug 42.

[0051] Second Embodiment

[0052] Please refer to the following: Figure 6 , Figure 7 and Figure 8The high-pressure sealing pipe flange also includes a seepage prevention structure 6, which is installed on the fixed plate 34 to prevent the leaked medium from flowing out between the two fixed plates 34;

[0053] Once the leaked medium is stored in the storage chamber 32, if the medium has strong permeability, it may flow out through the gaps between the fixing plates 34, causing the medium to be discharged into the external environment and causing pollution.

[0054] In this embodiment, a seepage-proof structure 6 is provided between the fixing plates 34. After the two fixing plates 34 are fixed by the second fastener 35, the seepage-proof structure 6 fills the gap between the two fixing plates 34 to prevent the medium from seeping into the external environment.

[0055] Please refer to the following: Figure 7 and Figure 8 The seepage-proof structure 6 includes interlocking teeth 61 and leak-proof pads 62. Both of the two fixing plates 34 are provided with interlocking teeth 61, and the interlocking teeth 61 of the two fixing plates 34 are engaged and connected. The leak-proof pads 62 are disposed between the interlocking teeth 61.

[0056] Before installing the two fixing plates 34, the leak-proof pad 62 is placed between the interlocking teeth 61 of the two fixing plates 34. During installation, the interlocking teeth 61 on the two fixing plates 34 mesh with each other to clamp the leak-proof pad 62. Through the cooperation of the interlocking teeth 61 and the leak-proof pad 62, the gap between the fixing plates 34 is filled to prevent the medium from flowing out from the gap between the fixing plates 34 and causing pollution to the external environment.

[0057] The working principle of the high-pressure sealing pipe flange provided by this utility model is as follows:

[0058] In use, flange bodies 21 are installed between pipe bodies 1, gaskets 22 are placed between the two flange bodies 21, and flange bodies 21 are fixed by the first fastener 23. Two sealing shells 31 are installed on the outside of flange bodies 21 to wrap around them. Two arc-shaped plates 33 are simultaneously wrapped around the outside of pipe bodies 1 to clamp and fix them. A storage cavity 32 is formed between the two sealing shells 31. When the medium leaks, it first enters the storage cavity 32 to store the medium. When replacing a damaged flange body 21, the plug rod 41 is first pressed into the first through hole 311 and moves into the storage cavity 32. The plug rod 41 drives the sealing plug 42 to move. The blockage of the second through hole 312 is released, and the medium flows out of the storage cavity 32 through the second through hole 312 and the first through hole 311. The leaked medium is discharged and collected. At the same time, the plug rod 41 drives the slider 52 to slide into the protective shell 51 through the connecting rod 54. The slider 52 squeezes the elastic element 53. When the medium is emptied, the pressing of the plug rod 41 stops, and the elastic element 53 pushes the slider 52 to slide outward of the protective shell 51. The slider 52 pushes the plug rod 41 to move back to the initial position through the connecting rod 54, which drives the sealing plug 42 to be re-inserted into the second through hole 312, and the storage cavity 32 is re-sealed to prevent the medium from being directly discharged into the external environment and causing harm and pollution to the public and the environment. The interlocking teeth 61 and the leak-proof pad 62 are provided. The leak-proof pad 62 is placed between the interlocking teeth 61 of the two fixing plates 34. During installation, the interlocking teeth 61 on the two fixing plates 34 mesh with each other to clamp the leak-proof pad 62. Through the cooperation of the interlocking teeth 61 and the leak-proof pad 62, the gap between the fixing plates 34 is filled to prevent the medium from flowing out from the gap between the fixing plates 34.

[0059] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A high-pressure sealing pipe flange, comprising: The pipe body is characterized in that it further includes: a flange structure, the flange structure including a flange body, a gasket and a first fixing member, the flange body being fixedly installed at the interface of the pipe body, the gasket being placed between the flange bodies, and the first fixing member being rotatably installed on the flange body after passing through the flange body and the gasket, for fixing the flange body and the gasket; Two sealing structures are symmetrically installed on both sides of the flange body, forming a receiving space with the pipe body and the flange body for storing leaked media; A discharge structure, which is slidably installed within the sealing structure, is used to discharge the stored medium; Two reset structures are fixedly installed on the sealing structure and located on both sides of the discharge structure.

2. The high-pressure sealing pipe flange according to claim 1, characterized in that, The sealing structure includes a sealing shell and a storage cavity. Two sealing shells are symmetrically installed on both sides of the flange body, and the storage cavity is formed between the two sealing shells to store the medium leaked from the flange body.

3. The high-pressure sealing pipe flange according to claim 2, characterized in that, The sealing structure further includes an arc-shaped plate, a fixed plate, and a second fixing member. The arc-shaped plate is installed on both sides of the sealing shell, and the fixed plate is installed on the edges of both the sealing shell and the arc-shaped plate. The second fixing member passes through the fixed plate and is rotatably installed on the fixed plate.

4. The high-pressure sealing pipe flange according to claim 2, characterized in that, The sealing structure further includes a first through hole and a second through hole. The sealing shell has the first through hole and the second through hole, which are connected. The diameter of the first through hole is smaller than the diameter of the second through hole, and the second through hole is connected to the storage cavity.

5. The high-pressure sealing pipe flange according to claim 4, characterized in that, The discharge structure includes a plug rod and a sealing plug. The plug rod is slidably installed in the first through hole and the second through hole. One end of the plug rod is rotatably connected to the reset structure, and the other end of the plug rod is fitted with the sealing plug, which is adapted to the second through hole.

6. The high-pressure sealing pipe flange according to claim 5, characterized in that, The reset structure includes a protective shell, a slider, an elastic element, and a connecting rod. The protective shell is mounted on the sealing shell and located on both sides of the plug rod. The slider is slidably mounted inside the protective shell. The elastic element is mounted between the protective shell and the slider. The two ends of the connecting rod are rotatably connected to the plug rod and the slider, respectively.

7. The high-pressure sealing pipe flange according to claim 3, characterized in that, The high-pressure sealed pipeline flange also includes a seepage prevention structure, which is installed on the fixed plate to prevent leaked media from flowing out between the two fixed plates.

8. The high-pressure sealing pipe flange according to claim 7, characterized in that, The seepage-proof structure includes interlocking teeth and a leak-proof pad. Both of the fixing plates are provided with the interlocking teeth, and the interlocking teeth of the two fixing plates are engaged and connected. The leak-proof pad is disposed between the interlocking teeth.

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