Fireproof and heat-insulation air pipe capable of preventing fire from spreading

Abstract

The utility model relates to the technical field of air pipes, and discloses a fireproof heat insulation air pipe preventing fire spreading, which comprises an air pipe body and a connecting seat used for connecting the air pipe body, a fireproof heat insulation layer is arranged in the air pipe body, the connecting seat comprises a mounting seat, an adjusting block is arranged below the mounting seat, and the adjusting block is connected with the air pipe body. And a connecting plate is fixedly mounted at the bottom end of the adjusting block. According to the utility model, the air pipe body is directly clamped between the two adjacent connecting frames by arranging the quick mounting assembly and utilizing the inclined surface at the bottom end of the rectangular connecting frame to extrude and slide with the air pipe body, the rectangular connecting frame is driven by the reset spring to pop up to limit the air pipe body, and then the air pipe body is screwed into the positioning hole by utilizing the positioning screw rod; the purpose of fastening and mounting the air pipe body is achieved, workers do not need to lift the heavy air pipe body for a long time in the whole mounting process, the mounting difficulty is low, and the air pipe mounting efficiency can be greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of air duct technology, and more specifically to a fireproof and heat-insulating air duct that prevents the spread of fire. Background Technology

[0002] Duct systems in buildings play a crucial role in preventing the spread of fire. Properly designed ducts are made of flame-retardant materials, which can slow the spread of fire and protect escape routes. Fire-resistant and heat-insulating ducts provide both fire protection and heat insulation.

[0003] A search revealed an existing patent (publication number: CN219263474U) that discloses a fireproof and heat-insulating duct flange. In its use, the flange is used to connect adjacent ducts. When installing the duct, the fireproof and heat-insulating layer, L-shaped support plate, fasteners, and other structures are pre-assembled to obtain the flange strip, which is then fixed to the duct. This way, only the flanges need to be installed during duct assembly, eliminating the need for additional fireproof and heat-insulating layer wrapping, reducing the difficulty of high-altitude operations, making it safer, and improving installation efficiency. However, in the process of realizing this utility model, the inventors discovered the following problems with the existing technology: The above-mentioned fireproof and heat-insulating duct flange is installed between the duct and the flange at the ground position, and then multiple bolts are used to fix it. The flanges at the ends of the two ducts are connected and fixed at a high position, and then the duct is pulled and supported by an external structure. During the process of connecting and fixing the duct, the duct needs to be lifted for a long time to align the flanges at the ends of the duct. The duct is heavy, and the workers will seriously increase the labor intensity of the workers by lifting the duct for a long time. Moreover, the shaking during the lifting process may affect the accurate and quick installation of the flange, thereby reducing the efficiency of duct installation.

[0004] In view of this, the present invention proposes a fireproof and heat-insulating air duct with high installation efficiency and capable of preventing the spread of fire. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a fireproof and heat-insulating air duct to prevent the spread of fire, so as to solve the problems existing in the background art.

[0006] This utility model provides the following technical solution: a fireproof and heat-insulating air duct to prevent the spread of fire, including an air duct body and a connecting seat for connecting the air duct body. The air duct body is provided with a fireproof and heat-insulating layer inside. The connecting seat includes a mounting seat, an adjusting block is provided below the mounting seat, a connecting plate is fixedly installed at the bottom of the adjusting block, and a connecting frame is fixedly installed at the bottom of the connecting plate. The connecting frame has a ventilation cavity that runs through the left and right sides. The ventilation cavity corresponds to the position of the air duct body. Quick installation components are provided at both the left and right ends of the connecting frame corresponding to the air duct body.

[0007] The quick-installation component includes stepped grooves at both ends of the connecting frame, with a rectangular connecting frame slidably connected inside the stepped grooves. The rectangular connecting frame is snapped onto the end of the duct body, with a bevel at the bottom end. Positioning screws are threaded onto both the front and back of the rectangular connecting frame, and positioning holes that match the positioning screws are provided on both the front and back of the duct body.

[0008] Furthermore, an ear plate is fixedly mounted on the surface of the mounting base, and an ear hole is formed on the surface of the ear plate.

[0009] Furthermore, a reset spring is fixedly installed on the inner wall of the stepped groove to drive the rectangular connecting frame to move outward from the stepped groove.

[0010] Furthermore, the adjusting block is movably connected to the mounting base, and a fine-tuning component is provided between the adjusting block and the mounting base.

[0011] Furthermore, the fine-tuning component includes three transverse slide rods fixedly installed at the bottom of the mounting base, and the adjusting block is slidably connected to the surface of the three transverse slide rods.

[0012] Furthermore, the surface of the adjusting block is threaded with a threaded set screw, and the surface of one of the transverse slide rods is evenly provided with several slots, with the threaded end of the threaded set screw locked inside the slot.

[0013] Furthermore, the connecting frame has a connecting cavity inside, which is located above the ventilation cavity. A water inlet pipe is embedded at the top of the connecting frame corresponding to the connecting cavity. The water inlet pipe is connected to an external fire water pipe. Several nozzles are evenly embedded at the bottom of the connecting cavity. A water-gathering groove is formed at the bottom of the ventilation cavity, and a drain pipe is embedded at the bottom of the water-gathering groove.

[0014] Furthermore, a filter is fixedly connected to the surface of the drain pipe, and a filter element is installed inside the filter.

[0015] The technical effects and advantages of this utility model are as follows:

[0016] 1. This utility model pre-fits and fixes multiple mounting bases on the top of the building. When the duct body needs to be installed, a quick installation component is set up. The duct body is directly clamped between two adjacent connecting frames by squeezing and sliding the inclined surface at the bottom of the rectangular connecting frame with the duct body. A return spring drives the rectangular connecting frame to pop out and limit the duct body. Then, the positioning screw is screwed into the positioning hole to achieve the purpose of fastening the duct body. The whole installation process does not require workers to lift the heavy duct body for a long time. The installation difficulty is low and the efficiency of duct installation can be greatly improved.

[0017] 2. This utility model, by setting a fine-tuning component, allows for fine-tuning of the spacing between two adjacent connecting brackets according to the length of the duct after the mounting base is fixed. Then, a threaded set screw is used to engage the bracket in the slot for positioning, thereby further reducing the installation accuracy requirements of the mounting base and improving installation efficiency.

[0018] 3. In this utility model, since the inlet pipe is connected to the external fire water pipe, when a fire occurs in the external environment and triggers the fire water system, the fire water can enter the connecting cavity and then spray a high-temperature airflow downwards from the nozzle, which can cool the air and eliminate smoke, preventing the high temperature from extending to the outside through the air and causing the fire to spread, thus achieving the purpose of preventing the spread of fire; by setting a filter, solid particles in the smoke can be intercepted and filtered, so that when the drain pipe is connected to the external container, the fire water can be filtered and reused. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural schematic diagram of the present invention from one perspective;

[0020] Figure 2 This is a two-dimensional structural schematic diagram of the present invention from a different perspective;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of this utility model from a perspective;

[0022] Figure 4 This is a three-dimensional structural diagram of the present invention from a four-dimensional perspective;

[0023] Figure 5 for Figure 4 Enlarged structural diagram at point A in the middle.

[0024] The attached diagram is labeled as follows: 1. Duct body; 2. Mounting base; 3. Adjusting block; 4. Connecting plate; 5. Connecting frame; 6. Ventilation cavity; 7. Rectangular connecting frame; 8. Inclined surface; 9. Positioning screw; 10. Ear plate; 11. Return spring; 12. Horizontal slide bar; 13. Threaded set screw; 14. Connecting cavity; 15. Water inlet pipe; 16. Nozzle; 17. Water collection groove; 18. Drain pipe; 19. Filter. Detailed Implementation

[0025] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The fireproof and heat-insulating air duct for preventing the spread of fire involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0026] Reference Figure 1-5 This utility model provides a fireproof and heat-insulating air duct to prevent the spread of fire, including an air duct body 1 and a connecting seat for connecting the air duct body 1. The air duct body 1 is provided with a fireproof and heat-insulating layer inside. The connecting seat includes a mounting seat 2. An ear plate 10 is fixedly installed on the surface of the mounting seat 2. An ear hole is opened on the surface of the ear plate 10.

[0027] An adjustment block 3 is provided below the mounting base 2. A connecting plate 4 is fixedly installed at the bottom of the adjustment block 3. A connecting frame 5 is fixedly installed at the bottom of the connecting plate 4. A ventilation cavity 6 that runs through the left and right sides is opened inside the connecting frame 5. The ventilation cavity 6 corresponds to the position of the air duct body 1. Quick installation components are provided at both ends of the connecting frame 5 corresponding to the air duct body 1.

[0028] The quick-installation component includes stepped grooves at both ends of the connecting frame 5. A rectangular connecting frame 7 is slidably connected inside the stepped groove. The rectangular connecting frame 7 is snapped into the end of the duct body 1. A bevel 8 is provided at the bottom of the rectangular connecting frame 7. Positioning screws 9 are threaded to both the front and back of the rectangular connecting frame 7. Positioning holes that match the positioning screws 9 are provided on both the front and back of the duct body 1.

[0029] A return spring 11 is fixedly installed on the inner wall of the stepped groove to drive the rectangular connecting frame 7 to move outward of the stepped groove.

[0030] During installation, multiple mounting bases 2 are pre-fitted and fixed on the top of the building. When the duct body 1 needs to be installed, a quick installation component is set up. The inclined surface 8 at the bottom of the rectangular connecting frame 7 is squeezed and slid against the duct body 1, directly clamping the duct body 1 between two adjacent connecting frames 5. The return spring 11 drives the rectangular connecting frame 7 to pop out and limit the duct body 1. Then, the positioning screw 9 is screwed into the positioning hole to achieve the purpose of fastening the duct body 1. The entire installation process does not require workers to lift the heavy duct body 1 for a long time. The installation difficulty is low and the efficiency of duct installation can be greatly improved.

[0031] The adjusting block 3 is movably connected to the mounting base 2, and a fine-tuning component is provided between the adjusting block 3 and the mounting base 2.

[0032] The fine-tuning component includes three horizontal slide bars 12 fixedly installed at the bottom of the mounting base 2, and the adjusting block 3 is slidably connected to the surface of the three horizontal slide bars 12.

[0033] The surface of the adjusting block 3 is threaded with a threaded set screw 13, and several slots are evenly opened on the surface of one of the transverse slide rods 12, with the threaded end of the threaded set screw 13 locked inside the slot.

[0034] By setting up a fine-tuning component, after the mounting base 2 is fixed, the spacing between two adjacent connecting brackets 5 can be finely adjusted according to the length of the duct. Then, the threaded set screw 13 is used to snap into the slot for positioning, thereby further reducing the installation accuracy requirements of the mounting base 2 and improving installation efficiency.

[0035] The connecting frame 5 has a connecting cavity 14 inside, which is located on the upper side of the ventilation cavity 6. The top of the connecting frame 5 is fitted with a water inlet pipe 15 corresponding to the connecting cavity 14. The water inlet pipe 15 is connected to the external fire water pipe. Several nozzles 16 are evenly fitted at the bottom of the connecting cavity 14. A water collection groove 17 is opened at the bottom of the ventilation cavity 6, and a drain pipe 18 is fitted at the bottom of the water collection groove 17.

[0036] The inlet pipe 15 is connected to the external fire water pipe. When a fire occurs in the external environment and triggers the fire water system, the fire water can enter the connecting cavity 14 and then spray a high-temperature airflow downward from the nozzle 16. This can cool the air and eliminate smoke, preventing the high temperature from extending to the outside through the air and causing the fire to spread, thus achieving the purpose of preventing the fire from spreading.

[0037] A filter 19 is fixedly connected to the surface of the drain pipe 18, and a filter element is installed inside the filter 19.

[0038] By setting up filter 19, solid particles in the smoke can be intercepted and filtered, so that when the drain pipe 18 is connected to the external container, the fire water can be filtered and reused.

[0039] Finally, it should be noted that the accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

Claims

1. A fireproof and heat-insulating air duct for preventing the spread of fire, comprising an air duct body (1) and a connecting seat for connecting the air duct body (1), wherein the air duct body (1) is provided with a fireproof and heat-insulating layer inside, characterized in that: The connecting seat includes a mounting seat (2), an adjusting block (3) is provided below the mounting seat (2), a connecting plate (4) is fixedly installed at the bottom end of the adjusting block (3), a connecting frame (5) is fixedly installed at the bottom end of the connecting plate (4), and a ventilation cavity (6) is opened inside the connecting frame (5) that runs through the left and right sides. The ventilation cavity (6) corresponds to the position of the air duct body (1). Quick installation components are provided at both ends of the connecting frame (5) corresponding to the air duct body (1). The quick-installation assembly includes stepped grooves at the left and right ends of the connecting frame (5), and a rectangular connecting frame (7) is slidably connected inside the stepped groove. The rectangular connecting frame (7) is locked at the end of the air duct body (1). The bottom end of the rectangular connecting frame (7) is provided with a slope (8). The front and back of the rectangular connecting frame (7) are threaded with positioning screws (9). The front and back of the air duct body (1) are provided with positioning holes that are compatible with the positioning screws (9).

2. The fireproof and heat-insulating air duct for preventing the spread of fire according to claim 1, characterized in that: The mounting base (2) is fixedly mounted with an ear plate (10), and the surface of the ear plate (10) is provided with an ear hole.

3. The fireproof and heat-insulating air duct for preventing the spread of fire according to claim 1, characterized in that: The inner wall of the stepped groove is fixedly installed with a return spring (11) that drives the rectangular connecting frame (7) to move outward from the stepped groove.

4. A fireproof and heat-insulating air duct for preventing the spread of fire according to claim 1, characterized in that: The adjusting block (3) is movably connected to the mounting base (2), and a fine-tuning component is provided between the adjusting block (3) and the mounting base (2).

5. A fireproof and heat-insulating air duct for preventing the spread of fire according to claim 4, characterized in that: The fine-tuning component includes three horizontal slide bars (12) fixedly installed at the bottom of the mounting base (2), and the adjusting block (3) is slidably connected to the surface of the three horizontal slide bars (12).

6. A fireproof and heat-insulating air duct for preventing the spread of fire according to claim 5, characterized in that: The surface of the adjusting block (3) is threaded with a threaded set screw (13), and a number of slots are evenly opened on the surface of one of the transverse slide rods (12), with the threaded end of the threaded set screw (13) locked inside the slot.

7. A fireproof and heat-insulating air duct for preventing the spread of fire according to claim 1, characterized in that: The connecting frame (5) has a connecting cavity (14) inside, which is located on the upper side of the ventilation cavity (6). The top of the connecting frame (5) is fitted with a water inlet pipe (15) corresponding to the connecting cavity (14). The water inlet pipe (15) is connected to the external fire water pipe. Several nozzles (16) are evenly fitted at the bottom of the connecting cavity (14). A water collection groove (17) is opened at the bottom of the ventilation cavity (6). A drain pipe (18) is fitted at the bottom of the water collection groove (17).

8. A fireproof and heat-insulating air duct for preventing the spread of fire according to claim 7, characterized in that: A filter (19) is fixedly connected to the surface of the drain pipe (18), and a filter element is provided inside the filter (19).

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