Building fire smoke exhaust device

Abstract

The utility model relates to building fire protection technical field, concretely is a kind of building fire protection smoke exhaust device, including pipeline main body, the inside of pipeline main body is provided with multiple racks, the inside sliding connection of pipeline main body has smoke exhaust main body, the outside of rack is equipped with multiple notches, the inside of multiple notches is rotatably connected with two inert gears, this building fire protection smoke exhaust device, by installing multiple filter plates in processing box inside, and processing box is placed in rack through mounting groove, simultaneously rotating handle drives limiting post to drive threaded pin and engage in the structure of the outside of clamping block, the quick fixing of processing box and the convenient disassembly replacement are realized, the efficiency of device maintenance and filter material replacement are greatly improved;Further through the synergies of multilayer filter plate in processing box, thereby effectively enhancing the filtering adsorption effect of smoke exhaust gas, accurately intercepting the impurities in flue gas, significantly reduce the flue gas leakage risk.

Description

Technical Field

[0001] This utility model relates to the field of building fire protection technology, specifically a building fire smoke exhaust device. Background Technology

[0002] Nowadays, the requirements for building fire protection are becoming increasingly stringent. Building fire protection facilities refer to the general term for equipment and facilities installed in buildings, such as automatic fire alarm systems, automatic sprinkler systems, and fire hydrant systems, used to prevent and extinguish building fires. They are important facilities to ensure the fire safety of buildings and the safety of personnel evacuation. They are an important part of modern buildings and play an important role in protecting buildings, effectively protecting the lives and property of citizens. When a fire occurs, dense smoke is often the most dangerous factor that endangers lives. Smoke extraction equipment can effectively reduce the concentration and harm of dense smoke and increase the probability of survival.

[0003] A search revealed Chinese patent (CN221881694U), which includes a smoke exhaust duct. The output shaft of a motor is fixedly connected to a rotating shaft that passes through the smoke exhaust duct. A frame connected to the smoke exhaust duct is sleeved on the outside of the rotating shaft. Multiple slots are evenly distributed on the upper surface of the frame, and a filter element is inserted into each slot. A rectangular through-hole is formed on the upper surface of the smoke exhaust duct, and a cover plate is hinged to the inside of the rectangular through-hole. This invention, by starting the motor, drives the frame connected to its output shaft to rotate. Simultaneously, the frame allows the filter element to rotate continuously, increasing its service life. Furthermore, the filter element is inserted into the slot, facilitating replacement. This solves the technical problem of traditional smoke exhaust systems for building fire protection, which typically include internal filters to reduce air pollution. However, these filters are fixed in place, requiring frequent cleaning and are difficult to replace.

[0004] The aforementioned patent proposes using a motor to drive the frame plate connected to its output shaft to rotate, which, in conjunction with the frame, allows the filter element to rotate continuously, increasing its service life. Furthermore, the filter element is inserted into the slot for easy replacement. This addresses the problem of existing smoke exhaust devices for building fire protection systems, which, in order to reduce pollution to the outside air, use a limited filtration structure, making it difficult to effectively intercept impurities in the air, resulting in unsatisfactory filtration results. Additionally, this structure is relatively complex to install, and motor failure repairs are difficult. Therefore, we propose a new building fire exhaust device. Utility Model Content

[0005] One of the technical problems that this application aims to solve is that the above-mentioned solutions use fewer filter structures, making it difficult to effectively intercept impurities in the air, resulting in unsatisfactory filtration results. At the same time, the installation of this structure is relatively complex, and motor failure repair is relatively difficult.

[0006] To solve the above-mentioned technical problems, this application provides a building fire smoke exhaust device, including a pipe body, a plurality of racks are provided inside the pipe body, a smoke exhaust body is slidably connected inside the pipe body, a plurality of slots are opened on the outer side of the racks, and two inert gears are rotatably connected inside each of the plurality of slots.

[0007] In some embodiments, the inertial gear has an internal mounting groove, and a processing box is slidably connected to the inner wall of the mounting groove. Multiple filter plates are detachably connected to the inside of the processing box. Two fixing blocks are provided on the left side of the exhaust body, and a rotating handle is rotatably connected to the left side of each of the two fixing blocks.

[0008] In some embodiments, both of the rotating handles are rotatably connected to a limiting post, and the limiting post is slidably connected to a threaded pin. Two nuts are rotatably connected to the outer side of each threaded pin, and two locking blocks are provided on the left side of the processing box.

[0009] In some embodiments, the plurality of racks and the plurality of slots correspond one-to-one, and two inert gears are rotatably connected to opposite sides of the plurality of racks.

[0010] In some embodiments, the two nuts and the limiting post abut against each other, and the locking block and the fixing block are both made of metal.

[0011] In some embodiments, a plurality of the filter plates are located in the middle of the rack, and an annular sealing ring is provided around the processing box.

[0012] In some embodiments, the two fixing blocks and the two locking blocks correspond one-to-one, and the two threaded pins are engaged on opposite sides of the two locking blocks.

[0013] This utility model has at least the following beneficial effects: 1. By installing multiple filter plates inside the treatment box and placing the treatment box into the rack through the mounting slot, while rotating the handle to drive the limiting post and thus the threaded locking pin to engage with the outside of the locking block, the structure enables quick fixing and convenient disassembly and replacement of the treatment box, greatly improving the efficiency of device maintenance and filter material replacement. Furthermore, through the synergistic effect of the multi-layer filter plates inside the treatment box, the filtration and adsorption effect on the exhaust gas is effectively enhanced, accurately intercepting impurities in the smoke, significantly reducing the risk of smoke leakage, and effectively ensuring the safety and reliability of the building's fire smoke exhaust process, meeting the requirements of efficient purification and stable operation of the fire smoke exhaust system.

[0014] 2. The structure, through multiple inertial gears rotating on multiple racks, drives the smoke exhaust unit for installation. This, combined with a rotating locking mechanism, prevents rapid detachment even at excessively large angles during installation. This effectively avoids component detachment issues caused by improper installation angles in traditional systems, significantly improving the convenience and safety of smoke exhaust unit installation. Simultaneously, it allows for slow extraction even at excessively large angles during replacement, preventing operational jams or component damage caused by angle issues during disassembly, further optimizing the assembly and disassembly process. Ultimately, this significantly improves the overall efficiency of installation and replacement, reduces construction time, and meets the practical needs of building fire smoke exhaust systems for rapid component assembly and disassembly. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the novel rack structure. Figure 3 This is a schematic diagram of the mounting groove structure of this utility model; Figure 4 This is a schematic diagram of the filter plate structure of this utility model; Figure 5 This is a schematic diagram of the rotating handle structure of this utility model.

[0016] In the diagram: 1. Pipe body; 2. Rack; 3. Smoke exhaust body; 4. Groove; 5. Inertial gear; 6. Mounting groove; 7. Treatment box; 8. Filter plate; 9. Fixing block; 10. Rotary handle; 11. Limiting post; 12. Threaded pin; 13. Nut; 14. Locking block. Detailed Implementation

[0017] The technical solutions of the present utility model 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 utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example 1 Please see Figures 1-2 This utility model provides a technical solution: A building fire-fighting smoke exhaust device includes a duct body 1, with multiple racks 2 installed inside the duct body 1. The duct body 1 is the core load-bearing structure of the device, providing installation space for internal components. The racks 2 are used to cooperate with inertial gears 5, providing a transmission and limiting basis for the sliding installation of the smoke exhaust body 3. The smoke exhaust body 3 is slidably connected inside the duct body 1, and the smoke exhaust body 3 can slide along the duct body 1, making it easy to adjust its position according to smoke exhaust requirements and ensuring that the smoke exhaust range covers key areas. Multiple slots 4 are opened on the outer side of the racks 2, and the slots 4 provide rotational installation space for the inertial gears 5 to prevent the inertial gears 5 from shifting after assembly.

[0019] Each of the multiple slots 4 has two inertial gears 5 rotatably connected inside. The two inertial gears 5 rotate within the slots 4 and cooperate with the relevant structure of the exhaust body 3 to achieve smooth sliding installation. The gear transmission characteristics also prevent the exhaust body 3 from falling off quickly when the installation angle is too large. Multiple racks 2 and multiple slots 4 correspond one-to-one. The two inertial gears 5 are rotatably connected to the opposite sides of the multiple racks 2. The one-to-one correspondence between the racks 2 and the slots 4 ensures uniformity of transmission and limiting. The inertial gears 5 connected to the opposite sides of the racks 2 form symmetrical support for the exhaust body 3 from both sides, improving sliding stability.

[0020] Example 2 Please see Figures 3-5 This utility model provides a technical solution: The inertial gear 5 has an internal mounting groove 6, which provides an insertion space for the treatment box 7, facilitating quick placement and removal of the treatment box 7 and laying a structural foundation for disassembly and replacement. The treatment box 7 is slidably connected to the inner wall of the mounting groove 6, and slides along the inner wall of the mounting groove 6 to achieve quick assembly and separation from the inertial gear 5, simplifying the disassembly and assembly process. Multiple filter plates 8 are detachably connected inside the treatment box 7. The filter plates 8 are detachably connected, which facilitates individual replacement when the adsorption is saturated or damaged, reducing maintenance costs. The multi-layer design can filter and adsorb harmful gases and impurities in the flue gas in layers, improving the filtration effect. Two fixing blocks 9 are set on the left side of the exhaust body 3. The fixing blocks 9 provide stable rotation support for the handle 10 and prevent the handle 10 from shaking during operation.

[0021] Two fixed blocks 9 are rotatably connected to the left side of each fixed block 9. The rotating handle 10 rotates around the fixed block 9, driving the limit post 11 to move, providing a power transmission path for the threaded locking pin 12 to engage, simplifying operation; multiple filter plates 8 are located in the middle of the rack 2. The filter plates 8 are located in the middle of the rack 2, ensuring that the gas discharged from the exhaust body 3 flows through the filter plates 8 completely, avoiding gas bypass and incomplete filtration, and ensuring no risk of smoke leakage; the treatment box 7 is provided with an annular sealing ring around its perimeter. The annular sealing ring fills the gap between the treatment box 7 and the inner wall of the mounting groove 6, enhancing the sealing performance and preventing unfiltered gas leakage.

[0022] Both rotating handles 10 are internally connected to limiting posts 11. The limiting posts 11 adjust their positions as the rotating handles 10 rotate, and at the same time, they limit and guide the threaded locking pins 12 to ensure accurate locking onto the locking block 14. The threaded locking pins 12 are slidably connected inside the limiting posts 11. The threaded locking pins 12 slide along the limiting posts 11, and their extension length can be adjusted to ensure accurate locking onto the outside of the locking block 14, thereby fixing the processing box 7. Two nuts 13 are rotatably connected to the outside of the threaded locking pins 12. The nuts 13 are threadedly engaged with the threaded locking pins 12. Rotating the nuts 13 can lock the threaded locking pins 12 onto the limiting posts 11 to prevent sliding after fixing. Two locking blocks 14 are provided on the left side of the processing box 7. The locking blocks 14 provide fixing points for the processing box 7 and cooperate with the threaded locking pins 12 to connect the processing box 7 to the fixing block 9.

[0023] Two nuts 13 abut against the limiting post 11, and the nuts 13 abut against the limiting post 11. The threaded pin 12 is firmly fixed by the locking force to prevent the threaded pin 12 from disengaging from the locking block 14 due to vibration, thus ensuring the reliability of the fixation. The locking block 14 and the fixing block 9 are both made of metal. Metal has high structural strength and wear resistance and can withstand the locking force of the threaded pin 12, preventing the parts from deforming and being damaged, and extending the service life. The two fixing blocks 9 and the two locking blocks 14 correspond one-to-one. The two threaded pins 12 are engaged on the opposite sides of the two locking blocks 14. The one-to-one correspondence between the fixing blocks 9 and the locking blocks 14 ensures accurate engagement. The threaded pins 12 engage from the opposite sides of the locking blocks 14, forming a symmetrical fixation for the processing box 7, improving stability. The processing box 7 can be disassembled and replaced by reversing the operation.

[0024] Based on the above embodiments, the following is the complete working principle of the above embodiments: When the pipeline needs to install a smoke exhaust device, multiple filter plates 8 are installed inside the treatment box 7. Then, the treatment box 7 is placed into the rack 2 through the installation groove 6. By rotating the two rotating handles 10, the threaded locking pins 12 are driven by the limiting post 11 to lock onto the outside of the locking block 14, thus fixing the treatment box 7. Conversely, it can be disassembled and replaced. The multi-layer filter plates 8 can effectively filter and adsorb the gas, ensuring no risk of smoke leakage. Multiple inertial gears 5 rotate on multiple racks 2 to install the smoke exhaust body 3. By rotating and locking, it is ensured that it will not fall off quickly when the installation angle is too large, which is convenient for installation. Conversely, when it needs to be replaced, it can be slowly pulled out when the angle is too large, increasing the overall working efficiency.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A building fire-fighting smoke exhaust device, comprising a duct body (1), characterized in that: The pipe body (1) is provided with multiple racks (2) inside, and a smoke exhaust body (3) is slidably connected inside the pipe body (1). Multiple slots (4) are opened on the outside of the racks (2), and two inert gears (5) are rotatably connected inside each of the multiple slots (4).

2. The building fire-fighting smoke exhaust device according to claim 1, characterized in that: The inert gear (5) has an installation groove (6) inside. The inner wall of the installation groove (6) is slidably connected to a processing box (7). The processing box (7) is detachably connected to multiple filter plates (8). The left side of the exhaust body (3) is provided with two fixing blocks (9). The left side of each of the two fixing blocks (9) is rotatably connected to a handle (10).

3. The building fire-fighting smoke exhaust device according to claim 2, characterized in that: Both of the two rotating handles (10) are rotatably connected to a limiting post (11), and the limiting post (11) is slidably connected to a threaded pin (12). The outer side of the threaded pin (12) is rotatably connected to two nuts (13), and two locking blocks (14) are provided on the left side of the processing box (7).

4. The building fire-fighting smoke exhaust device according to claim 1, characterized in that: The multiple racks (2) and the multiple slots (4) correspond one-to-one, and the two inert gears (5) are rotatably connected to the opposite sides of the multiple racks (2).

5. The building fire-fighting smoke exhaust device according to claim 3, characterized in that: The two nuts (13) and the limiting post (11) abut against each other, and the locking block (14) and the fixing block (9) are both made of metal.

6. The building fire-fighting smoke exhaust device according to claim 2, characterized in that: Multiple filter plates (8) are located in the middle of the rack (2), and an annular sealing ring is provided around the processing box (7).

7. The building fire-fighting smoke exhaust device according to claim 3, characterized in that: The two fixing blocks (9) and the two locking blocks (14) correspond one-to-one, and the two threaded locking pins (12) are engaged on the opposite sides of the two locking blocks (14).

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