Fireproof air pipe with high sealing performance

Abstract

The utility model discloses a fireproof air pipe with high sealing performance, which relates to the technical field of fireproof air pipes and comprises a fireproof air pipe adjusting pipe, a sealing flange plate is fixedly connected to the top end of one side of the fireproof air pipe adjusting pipe, and a fireproof air pipe transmission pipe is fixedly mounted at the top end of one side of the sealing flange plate. Sealing flange plates are arranged on the two sides of the fireproof air pipe adjusting pipe. The angle of the rotating connecting shaft in the communicating pipe is adjusted through the rotating handle on the fireproof air pipe adjusting pipe, the rotating internal shaft is driven to rotate, and therefore the inclination angle of the flow adjusting disc is changed, accurate control over the flow in the fireproof air pipe adjusting pipe is achieved, and use flexibility is improved; the top ends of the two sides of the fireproof air pipe adjusting pipe are connected with the fireproof air pipe conveying pipe through sealing flange plates, sealing conveying on the two sides is achieved, the fireproof air pipe adjusting pipe and the fireproof air pipe conveying pipe are connected in a sealing mode through the sealing flange plates, and the stability of conveying and using in the fireproof air pipe adjusting pipe is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of fireproof air duct technology, and in particular to a highly airtight fireproof air duct. Background Technology

[0002] Fire-resistant ducts are an important component of fire protection systems. Their main function is to activate fire-fighting fans and exhaust smoke during a fire. With increasing building heights and rising living standards, higher demands are being placed on the reliability of fire ventilation and the fire resistance capabilities of buildings. Fire-resistant ducts can be quickly installed by machining bosses and grooves on both ends. Sealing plates and bolts ensure tighter connections and stronger sealing. However, each installation requires workers to use tools to tighten multiple bolts on the sealing plate sequentially to connect the two ends of the duct, making the installation method time-consuming, labor-intensive, and inconvenient for workers. Utility Model Content

[0003] The purpose of this invention is to provide a highly airtight fireproof duct that can solve at least some of the above-mentioned problems.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a high-sealing fireproof air duct, including a fireproof air duct regulating pipe, a sealing flange fixedly connected to one top end of the fireproof air duct regulating pipe, a fireproof air duct transmission pipe fixedly installed on one top end of the sealing flange, sealing flanges provided on both sides of the fireproof air duct regulating pipe, fireproof air duct transmission pipes fixedly installed on both top ends of the sealing flanges, a connecting pipe fixedly connected to one outer wall of the fireproof air duct regulating pipe, a rotating connecting shaft movably connected inside the connecting pipe, a rotating inner shaft rotatably connected to one inner wall of the fireproof air duct regulating pipe, a flow regulating disc fixedly connected to one side surface of the rotating inner shaft, and a rotating handle fixedly connected to one top end surface of the rotating connecting shaft.

[0005] Preferably, the rotating connecting shaft passes through the interior of the connecting pipe, and the connection between the rotating connecting shaft and the rotating internal shaft is a fixed connection. The cross-sectional diameter of the flow regulating disc is the same as the cross-sectional diameter of the inner wall of the sealing flange.

[0006] Preferably, a sealing auxiliary connecting ring is detachably installed on one side surface of the fireproof air duct transmission pipe. A pin groove is provided on one side of the sealing auxiliary connecting ring. A first locking connecting hole is provided on the inner bottom surface of the pin groove. A connecting support column is fixedly connected to the top of one side of the sealing auxiliary connecting ring. A connecting top plate is fixedly connected to the top of one side of the connecting support column. A force-sharing connecting block is fixedly connected to one side surface of the connecting top plate. A connecting arm is fixedly connected to the top of one side of the force-sharing connecting block. A stable mounting top plate is fixedly connected to the top of one side of the connecting arm. A threaded fixing column is fixedly connected to the top surface of one side of the stable mounting top plate. A threaded fixing groove is provided inside the threaded fixing column.

[0007] Preferably, the positions of the force-sharing connecting blocks and the connecting arms correspond one-to-one, and there are several force-sharing connecting blocks. These several force-sharing connecting blocks are distributed circumferentially on the side top edge surface of the connecting top plate. The threaded fixing groove penetrates the interior of the threaded fixing post and the threaded fixing groove penetrates the interior of the stable mounting top plate.

[0008] Preferably, a top-end connecting sealing ring is detachably installed on one side of the fireproof air duct transmission pipe, a pin is fixedly connected to one side surface of the top-end connecting sealing ring, and a second locking connection hole is opened inside the bottom side of the pin.

[0009] Preferably, the positions of the pin post and the pin groove correspond one-to-one, the number of pin posts is several, and the several pin posts are distributed circumferentially on the bottom surface edge of the side of the top connecting sealing ring. The connection relationship between the pin groove and the pin post is a pin connection. The positions of the first locking connection hole and the second locking connection hole correspond one-to-one, and the cross-sectional diameter of the second locking connection hole and the first locking connection hole is the same.

[0010] Compared with related technologies, the high-sealing fireproof air duct provided by this utility model has the following beneficial effects:

[0011] 1. This utility model provides a high-sealing fireproof air duct. By adjusting the angle of the rotating connecting shaft inside the connecting pipe through the rotating handle on the fireproof air duct regulating pipe, the internal rotating shaft is driven to rotate, thereby changing the tilt angle of the flow regulating disc, realizing precise control of the internal flow of the fireproof air duct regulating pipe, and improving the flexibility of use. The top ends of both sides of the fireproof air duct regulating pipe are connected to the fireproof air duct transmission pipe through sealing flanges to achieve sealed transmission on both sides. The fireproof air duct regulating pipe and the fireproof air duct transmission pipe are sealed together by sealing flanges to ensure the stability of the internal transmission of the fireproof air duct regulating pipe.

[0012] 2. This utility model provides a high-sealing fireproof air duct. By installing a sealing auxiliary connecting ring on the surface of the fireproof air duct transmission pipe, and installing a top connecting sealing ring on one side of the sealing auxiliary connecting ring, the pin on the top connecting sealing ring is directly inserted into the pin groove. Then, by aligning the first locking connecting hole and the second locking connecting hole, a locking connection is achieved, which improves the connection sealing performance of the top side of the fireproof air duct transmission pipe and achieves high sealing performance of the device. The sealing auxiliary connecting ring is fixedly installed by the connecting arm on the top side of the top plate. Multiple connecting arms are set at the top side of the top plate to improve the overall installation stability of the device. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic side view of the overall structure of the fireproof air duct regulating pipe of this utility model;

[0015] Figure 3 This is a schematic diagram of the overall side top view of the device of this utility model;

[0016] Figure 4 This is a schematic diagram of the sealing auxiliary connecting ring and connecting support column structure of this utility model;

[0017] Figure 5 This utility model Figure 1 A magnified structural diagram at point A.

[0018] The following are the labels in the diagram: 1. Fireproof air duct regulating pipe; 2. Sealing flange; 3. Fireproof air duct transmission pipe; 4. Connecting pipe; 5. Rotating connecting shaft; 6. Rotating internal shaft; 7. Flow regulating disc; 8. Rotating handle; 9. Sealing auxiliary connecting ring; 10. Pin groove; 11. First locking connection hole; 12. Connecting support column; 13. Connecting top plate; 14. Force-sharing connecting block; 15. Connecting arm; 16. Stable mounting top plate; 17. Threaded fixing column; 18. Threaded fixing groove; 19. Top connecting sealing ring; 20. Pin column; 21. Second locking connection hole. Detailed Implementation

[0019] Example 1:

[0020] Please see Figure 1-5This utility model provides a technical solution: a high-sealing fireproof air duct, including a fireproof air duct regulating pipe 1, a sealing flange 2 fixedly connected to one top of the fireproof air duct regulating pipe 1, a fireproof air duct transmission pipe 3 fixedly installed on one top of the sealing flange 2, sealing flanges 2 on both sides of the fireproof air duct regulating pipe 1, fireproof air duct transmission pipes 3 fixedly installed on both tops of the sealing flanges 2, a connecting pipe 4 fixedly connected to one outer wall of the fireproof air duct regulating pipe 1, a rotating connecting shaft 5 movably connected inside the connecting pipe 4, a rotating inner shaft 6 rotatably connected to one inner wall of the fireproof air duct regulating pipe 1, a flow regulating disc 7 fixedly connected to one side surface of the rotating inner shaft 6, a rotating handle 8 fixedly connected to one top surface of the rotating connecting shaft 5, the rotating connecting shaft 5 penetrating the interior of the connecting pipe 4, the rotating connecting shaft 5 and the rotating inner shaft 6 being fixedly connected, and the cross-sectional diameter of the flow regulating disc 7 being the same as the cross-sectional diameter of the inner wall of the sealing flange 2.

[0021] In the implementation plan, the angle of the rotating connecting shaft 5 inside the connecting pipe 4 is adjusted by the rotating handle 8 on the fireproof air duct regulating pipe 1, which drives the rotating internal shaft 6 to rotate, thereby changing the tilt angle of the flow regulating disc 7, realizing precise control of the internal flow of the fireproof air duct regulating pipe 1, and improving the flexibility of use. The top ends of both sides of the fireproof air duct regulating pipe 1 are connected to the fireproof air duct transmission pipe 3 through the sealing flange 2 to achieve sealed transmission on both sides. The fireproof air duct regulating pipe 1 and the fireproof air duct transmission pipe 3 are sealed together by the sealing flange 2 to ensure the stability of the internal transmission of the fireproof air duct regulating pipe 1.

[0022] Example 2:

[0023] Please see Figure 1-5This utility model provides a technical solution: a high-sealing fireproof air duct, including a fireproof air duct transmission pipe 3 with a sealing auxiliary connecting ring 9 detachably installed on one side surface. A pin groove 10 is provided on one side of the sealing auxiliary connecting ring 9, and a first locking connection hole 11 is provided on the inner bottom surface of the pin groove 10. A connecting support column 12 is fixedly connected to the top of one side of the sealing auxiliary connecting ring 9. A connecting top plate 13 is fixedly connected to the top of one side of the connecting support column 12. A force-distributing connecting block 14 is fixedly connected to one side surface of the connecting top plate 13. A connecting arm 15 is fixedly connected to the top of one side of the force-distributing connecting block 14. A stable mounting top plate 16 is fixedly connected to the top of one side of the connecting arm 15. A threaded fixing column 17 is fixedly connected to the top of one side surface of the stable mounting top plate 16. A threaded fixing groove 18 is provided inside the threaded fixing column 17. The positions of the force-distributing connecting block 14 and the connecting arm 15 correspond one-to-one. There are several force-sharing connecting blocks 14 arranged in a circle on the top edge of the side of the connecting top plate 13. The threaded fixing groove 18 penetrates the interior of the threaded fixing post 17 and the stable mounting top plate 16. A top connecting sealing ring 19 is detachably installed on the top of one side of the fireproof air duct transmission pipe 3. A pin post 20 is fixedly connected to one side of the top connecting sealing ring 19. A second locking connection hole 21 is opened inside the bottom of one side of the pin post 20. The positions of the pin post 20 and the pin groove 10 correspond one-to-one. There are several pin posts 20 arranged in a circle on the bottom edge of one side of the top connecting sealing ring 19. The connection relationship between the pin groove 10 and the pin post 20 is a pin connection. The positions of the first locking connection hole 11 and the second locking connection hole 21 correspond one-to-one. The cross-sectional diameter of the second locking connection hole 21 and the first locking connection hole 11 is the same.

[0024] In the implementation plan, a sealing auxiliary connecting ring 9 is installed on the surface of the fireproof air duct transmission pipe 3, and a top connecting sealing ring 19 is installed on one side surface of the sealing auxiliary connecting ring 9. The pin post 20 on the top connecting sealing ring 19 is directly inserted into the inside of the pin groove 10, and then the locking connection is achieved by aligning the first locking connection hole 11 and the second locking connection hole 21. This improves the connection sealing performance of the top side of the fireproof air duct transmission pipe 3 and achieves high sealing performance of the device. The sealing auxiliary connecting ring 9 is fixedly installed by the connecting arm 15 on the top side of the top plate 13. Multiple connecting arms 15 are set at multiple positions on the top side of the top plate 13 to improve the overall installation stability of the device.

[0025] Working principle:

[0026] The angle of the rotating connecting shaft 5 inside the connecting pipe 4 is adjusted by the rotating handle 8 on the fireproof air duct regulating pipe 1, which drives the rotating internal shaft 6 to rotate, thereby changing the tilt angle of the flow regulating disc 7, so as to achieve precise control of the internal flow of the fireproof air duct regulating pipe 1 and improve the flexibility of use. The top ends of both sides of the fireproof air duct regulating pipe 1 are connected to the fireproof air duct transmission pipe 3 through the sealing flange 2 to achieve sealed transmission on both sides. The fireproof air duct regulating pipe 1 and the fireproof air duct transmission pipe 3 are sealed together by the sealing flange 2 to ensure the stability of the internal transmission of the fireproof air duct regulating pipe 1.

[0027] By installing a sealing auxiliary connecting ring 9 on the surface of the fireproof air duct transmission pipe 3, and installing a top connecting sealing ring 19 on one side of the sealing auxiliary connecting ring 9, the pin 20 on the top connecting sealing ring 19 is directly inserted into the pin groove 10. Then, by aligning the first locking connecting hole 11 and the second locking connecting hole 21, a locking connection is achieved, which improves the connection sealing performance of the top side of the fireproof air duct transmission pipe 3 and achieves high sealing performance of the device. The sealing auxiliary connecting ring 9 is fixedly installed by the connecting arm 15 on the top side of the top plate 13. Multiple connecting arms 15 are set at the top side of the top plate 13 to improve the overall installation stability of the device.

Claims

1. A high-sealing fireproof air duct, comprising a fireproof air duct regulating pipe (1), wherein a sealing flange (2) is fixedly connected to one end of the fireproof air duct regulating pipe (1), characterized in that: A fireproof air duct transmission pipe (3) is fixedly installed on one side of the sealing flange (2). A sealing flange (2) is provided on both sides of the fireproof air duct regulating pipe (1). A fireproof air duct transmission pipe (3) is fixedly installed on both sides of the sealing flange (2). A connecting pipe (4) is fixedly connected to one side of the outer wall of the fireproof air duct regulating pipe (1). A rotating connecting shaft (5) is movably connected inside the connecting pipe (4). A rotating inner shaft (6) is rotatably connected to one side of the inner wall of the fireproof air duct regulating pipe (1). A flow regulating disc (7) is fixedly connected to one side of the rotating inner shaft (6). A rotating handle (8) is fixedly connected to one side of the top surface of the rotating connecting shaft (5).

2. The high-sealing fireproof air duct according to claim 1, characterized in that, The rotating connecting shaft (5) passes through the interior of the connecting pipe (4), and the connection relationship between the rotating connecting shaft (5) and the rotating internal shaft (6) is a fixed connection. The cross-sectional diameter of the flow regulating disc (7) is the same as the cross-sectional diameter of the inner wall of the sealing flange (2).

3. The high-sealing fireproof air duct according to claim 1, characterized in that, A sealing auxiliary connecting ring (9) is detachably installed on one side surface of the fireproof air duct transmission pipe (3). A pin groove (10) is provided on one side of the sealing auxiliary connecting ring (9). A first locking connecting hole (11) is provided on the inner bottom surface of the pin groove (10). A connecting support column (12) is fixedly connected to the top of one side of the sealing auxiliary connecting ring (9). A connecting top plate (13) is fixedly connected to the top of one side of the connecting support column (12). A force-sharing connecting block (14) is fixedly connected to one side surface of the connecting top plate (13). A connecting arm (15) is fixedly connected to the top of one side of the force-sharing connecting block (14). A stable mounting top plate (16) is fixedly connected to the top of one side of the connecting arm (15). A threaded fixing column (17) is fixedly connected to the top surface of one side of the stable mounting top plate (16). A threaded fixing groove (18) is provided inside the threaded fixing column (17).

4. The high-sealing fireproof air duct according to claim 3, characterized in that, The positions of the force-sharing connecting block (14) and the connecting arm (15) correspond one-to-one. There are several force-sharing connecting blocks (14). Several force-sharing connecting blocks (14) are distributed in a circle on the side top edge surface of the connecting top plate (13). The threaded fixing groove (18) penetrates the interior of the threaded fixing post (17) and the threaded fixing groove (18) penetrates the interior of the stable mounting top plate (16).

5. A high-sealing fireproof air duct according to claim 3, characterized in that, The fireproof air duct transmission pipe (3) has a top-end connection sealing ring (19) detachably installed on one side top end. A pin (20) is fixedly connected to one side surface of the top-end connection sealing ring (19). A second locking connection hole (21) is opened inside the bottom end of one side of the pin (20).

6. A high-sealing fireproof air duct according to claim 5, characterized in that, The positions of the pins (20) and the pin slots (10) correspond one-to-one. There are several pins (20), and the pins (20) are distributed in a circle on the bottom edge of one side of the top sealing ring (19). The connection relationship between the pin slots (10) and the pins (20) is a pin connection. The positions of the first locking connection hole (11) and the second locking connection hole (21) correspond one-to-one. The cross-sectional diameter of the second locking connection hole (21) and the first locking connection hole (11) is the same.

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