Smoke exhaust device for high-rise building

By introducing a vertical movement mechanism of the transmission mechanism and multi-layer filter in the smoke exhaust device of high-rise buildings, combined with the design of scraper and fan, the problems of filter clogging and smoke bonding are solved, and more efficient smoke filtering and pipelines are achieved clean.

CN222352464UActive Publication Date: 2025-01-14NIU SHOU CONSTRUCTION ENGINEERING (HENAN) CO LTD
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Patent Information

Application Number
CN202421219490.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-01-14
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

When used in existing smoke exhaust devices in high-rise buildings, the filter screen is easily blocked, which affects the filtration effect. The smoke and dust bond to the inner wall of the pipeline, affecting ventilation.

Method used

A smoke exhaust device including a transmission mechanism and a multi-layer filter is designed. The filter is driven vertically by using pulleys and cams, and the combination of the scraper and the fan is combined to prevent smoke from being blocked and bonded.

Benefits of technology

It effectively avoids smoke and dust pollution to the external environment, improves the service life of the filter and the ventilation effect of the pipeline.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-rise building smoke exhaust device, and relates to the technical field of smoke exhaust devices, in particular to a high-rise building smoke exhaust device which comprises a fixing frame, a smoke exhaust box is fixedly connected to the top face of the fixing frame, and a rainproof plate is fixedly connected to one end of the smoke exhaust box. The top face of the fixing frame is fixedly connected with a motor located on the side face of the smoke exhaust box, the other end of the smoke exhaust box is fixedly connected with a pipeline, and one ends of the two pipelines are fixedly connected through a bolt tightening hoop. According to the smoke exhaust device for the high-rise building, the transmission mechanism and the filter screen are used in cooperation, smoke dust in air during smoke exhaust is filtered through the filtering performance of the filter screen, the external environment is prevented from being polluted by the smoke dust, the transmission mechanism is driven to rotate through rotation of an output shaft of the motor under the action of a belt pulley, and the smoke dust is prevented from being blocked under the action of a cam. And the filter screen vertically moves in the sleeve, so that the filter screen is prevented from being blocked by smoke dust, and the functionality of the device during use is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust devices, in particular to a smoke exhaust device for a high-rise building. Background Art

[0002] With the development of society, there are more and more high-rise buildings. In order to meet the needs of internal clean environment and safety, high-rise buildings cannot do without the experiment of smoke exhaust device. It not only ensures the internal environment of the building, but also plays a safety role. The smoke exhaust device discharges the dust and smoke in the internal environment to the outside through pipes, which is convenient and quick to use.

[0003] When the existing high-rise building smoke exhaust device is in use, smoke is directly exhausted through fans and pipes, which pollutes the external environment. A filter is needed to filter the air to remove smoke. The filter holes are prone to clogging when used for a long time, affecting the filtering effect. When exhausting smoke, smoke is easy to adhere to the inside of the pipe, and a large amount of smoke sticks together, affecting the ventilation of the pipe. For this reason, we propose a high-rise building smoke exhaust device. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a smoke exhaust device for a high-rise building, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a smoke exhaust device for a high-rise building, comprising a fixed frame, the top surface of the fixed frame is fixedly connected to a smoke exhaust box, one end of the smoke exhaust box is fixedly connected to a rainproof plate, the top surface of the fixed frame is fixedly connected to a motor located on the side of the smoke exhaust box, the other end of the smoke exhaust box is fixedly connected to a pipe, one end of the two pipes are fixedly connected by a bolt clamp, the inner cavity of the smoke exhaust box is fixedly connected to an axial flow fan, the end of the motor output shaft is fixedly connected to a pulley, one end of the pulley is fixedly connected to a transmission mechanism, the top surface of the smoke exhaust box is fixedly connected to a fixed block, the bottom end of the fixed block is fixedly connected to a sleeve, the sleeve extends into the inner cavity of the smoke exhaust box, a filter screen is movably sleeved in the inner cavity of the sleeve, one end of the filter screen is fixedly connected to a spring, the inner wall of the pipe is fixedly connected to a fan, and the outer surface of the fan rotating shaft is fixedly connected to a scraper.

[0006] Preferably, the transmission mechanism is located in the inner cavity of the smoke exhaust box, and the transmission mechanism includes a rotating shaft and a cam, one end of the rotating shaft is fixedly connected to the pulley, four cams are fixedly connected to the outer surface of the rotating shaft, and the cams are in contact with the bottom end of the filter but not connected.

[0007] Preferably, the spring is located in the inner cavity of the sleeve, the spring is arranged and distributed on the top end of the filter screen, and the top end of the spring is fixedly connected to the fixing block.

[0008] Preferably, the known pipe is fixedly connected to the smoke exhaust box by bolts, the pipe is cylindrical, and sealing rings are fixedly connected to both ends of the pipe.

[0009] Preferably, the filter screen is located in the inner cavity of the smoke exhaust box, the number of the filter screens is four, and the four filter screens are located directly above the cam.

[0010] Preferably, the scraper is located between two fans, the scraper is a rectangular frame, and the outer side of the scraper is in contact with the inner wall of the pipe but not connected.

[0011] The utility model provides a high-rise building smoke exhaust device, which has the following beneficial effects:

[0012] 1. The smoke exhaust device for high-rise buildings uses a transmission mechanism and a filter screen in coordination, and utilizes the filtering property of the filter screen to filter smoke and dust in the air during smoke exhaust to prevent smoke and dust from polluting the external environment. The transmission mechanism is driven to rotate under the action of a pulley by the rotation of the output shaft of the motor. Under the action of a cam, the filter screen moves vertically inside the sleeve to prevent smoke and dust from clogging the filter screen, thereby improving the functionality of the device when in use.

[0013] 2. The smoke exhaust device for high-rise buildings uses a fan and a scraper in coordination. Under the strong wind force of the axial flow fan, the fan inside the pipe rotates, thereby driving the scraper on the outer surface of the fan's rotating shaft to rotate. The scraper is in contact with the inner wall of the pipe to scrape off the smoke and dust on the inner wall of the pipe, preventing the smoke and dust from adhering to the inner wall of the pipe in large quantities, thereby improving the functionality of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the main view of the utility model;

[0015] Figure 2 This is a schematic structural diagram of a cross-section of the smoke exhaust box of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the filter screen of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the pipeline section of the utility model.

[0018] In the figure: 1, fixed frame; 2, smoke exhaust box; 3, motor; 4, bolt clamp; 5, pipeline; 6, axial flow fan; 7, pulley; 8, transmission mechanism; 81, rotating shaft; 82, cam; 9, filter; 10, sleeve; 11, spring; 12, fan; 13, scraper; 14, fixed block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figures 1 to 4The utility model provides a technical solution: a smoke exhaust device for a high-rise building, comprising a fixing frame 1, a smoke exhaust box 2 is fixedly connected to the top surface of the fixing frame 1, one end of the smoke exhaust box 2 is fixedly connected to a rainproof plate, the top surface of the fixing frame 1 is fixedly connected to a motor 3 located on the side of the smoke exhaust box 2, the other end of the smoke exhaust box 2 is fixedly connected to a pipe 5, the known pipe 5 is fixedly connected to the smoke exhaust box 2 by bolts, the pipe 5 is cylindrical, and both ends of the pipe 5 are fixedly connected with sealing rings, and the sealing rings are used in coordination with each other to prevent smoke from overflowing through the pipe connection when the pipe is exhausting smoke, thereby improving the rationality of the device when in use, one end of the two pipes 5 is fixedly connected by a bolt clamp 4, the inner cavity of the smoke exhaust box 2 is fixed An axial flow fan 6 is connected, a pulley 7 is fixedly connected to the end of the output shaft of the motor 3, and a transmission mechanism 8 is fixedly connected to one end of the pulley 7. The transmission mechanism 8 is located in the inner cavity of the smoke exhaust box 2. The transmission mechanism 8 includes a rotating shaft 81 and a cam 82. One end of the rotating shaft 81 is fixedly connected to the pulley 7. Four cams 82 are fixedly connected to the outer surface of the rotating shaft 81, and the cams 82 are in contact with the bottom end of the filter 9 but not connected. The rotation of the output shaft of the motor 3 drives the transmission mechanism 8 to rotate under the action of the pulley 7. Under the action of the cam 82, the filter 9 moves vertically inside the sleeve 10 to prevent smoke from blocking the filter 9, thereby improving the functionality of the device when in use. A fixed block is fixedly connected to the top surface of the smoke exhaust box 2 14, a sleeve 10 is fixedly connected to the bottom end of the fixed block 14, and the sleeve 10 extends into the inner cavity of the smoke exhaust box 2. A filter screen 9 is movably sleeved in the inner cavity of the sleeve 10. The filter screen 9 is located in the inner cavity of the smoke exhaust box 2. There are four filters 9, and the four filters 9 are located directly above the cam 82. By using the four filters 9 in coordination and utilizing the filtering property of the filters 9, when the device is exhausting smoke, the filters 9 filter out smoke and dust in the air, thereby preventing smoke and dust from polluting the external environment, thereby improving the functionality of the device when in use. A spring 11 is fixedly connected to one end of the filter screen 9, and the spring 11 is located in the inner cavity of the sleeve 10. The springs 11 are arranged and distributed at the top end of the filter screen 9. The top end of the spring 11 is fixedly connected to the fixed block 14, and utilizing the matching of the spring 11 The filter screen 9 is in close contact with the cam by utilizing the elastic force of the spring 11, and the filter screen 9 moves vertically as the cam 82 rotates, thereby improving the functionality of the device when in use. The inner wall of the pipe 5 is fixedly connected with a fan 12, and the outer surface of the rotating shaft of the fan 12 is fixedly connected with a scraper 13, and the scraper 13 is located between the two fans 12. The scraper 13 is a rectangular frame, and the outer side of the scraper 13 is in contact with the inner wall of the pipe 5 but not connected. Under the strong wind force of the axial flow fan 6, the fan 12 inside the pipe is driven to rotate, thereby driving the scraper 13 on the outer surface of the rotating shaft of the fan 12 to rotate, and the scraper 13 is in contact with the inner wall of the pipe 5, so as to scrape off the smoke and dust on the inner wall of the pipe 5, thereby improving the functionality of the device when in use.

[0021] To sum up, when the high-rise building smoke exhaust device is used, the axial flow fan 6 is first turned on. Under the action of the wind force of the axial flow fan 6, the smoke inside the building is discharged to the outside through the pipe 5. The filtering property of the filter screen 9 is used to filter the smoke in the air during smoke exhaust to prevent the smoke from polluting the external environment. The rotation of the output shaft of the motor 3 is used to drive the transmission mechanism 8 to rotate under the action of the pulley 7. Under the action of the cam 82, the filter screen 9 moves vertically inside the sleeve 10 to prevent the smoke from clogging the filter screen 9. Under the action of the wind force, the fan 12 in the inner cavity of the pipe 5 rotates, driving the scraper 13 on the outer side of the rotating shaft of the fan 12 to rotate, and the smoke on the inner wall of the pipe 5 is scraped off.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A smoke exhaust device for a high-rise building, comprising a fixing frame (1), characterized in that: The top surface of the fixed frame (1) is fixedly connected to a smoke exhaust box (2), one end of the smoke exhaust box (2) is fixedly connected to a rainproof plate, the top surface of the fixed frame (1) is fixedly connected to a motor (3) located on the side of the smoke exhaust box (2), the other end of the smoke exhaust box (2) is fixedly connected to a pipe (5), one end of the two pipes (5) are fixedly connected by a bolt clamp (4), the inner cavity of the smoke exhaust box (2) is fixedly connected to an axial flow fan (6), the end of the output shaft of the motor (3) is fixedly connected to a pulley (7), and the belt One end of the wheel (7) is fixedly connected to a transmission mechanism (8), the top surface of the smoke exhaust box (2) is fixedly connected to a fixed block (14), the bottom end of the fixed block (14) is fixedly connected to a sleeve (10), the sleeve (10) extends into the inner cavity of the smoke exhaust box (2), a filter screen (9) is movably sleeved in the inner cavity of the sleeve (10), one end of the filter screen (9) is fixedly connected to a spring (11), the inner wall of the pipe (5) is fixedly connected to a fan (12), and the outer surface of the rotating shaft of the fan (12) is fixedly connected to a scraper (13).

2. A high-rise building smoke exhaust device according to claim 1, characterized in that: The transmission mechanism (8) is located in the inner cavity of the smoke exhaust box (2), and comprises a rotating shaft (81) and a cam (82). One end of the rotating shaft (81) is fixedly connected to the pulley (7), and four cams (82) are fixedly connected to the outer surface of the rotating shaft (81), and the cams (82) are in contact with the bottom end of the filter screen (9) but not connected.

3. A high-rise building smoke exhaust device according to claim 1, characterized in that: The spring (11) is located in the inner cavity of the sleeve (10), the spring (11) is arranged and distributed at the top end of the filter screen (9), and the top end of the spring (11) is fixedly connected to the fixing block (14).

4. A high-rise building smoke exhaust device according to claim 1, characterized in that: The known pipe (5) is fixedly connected to the smoke exhaust box (2) by means of bolts; the pipe (5) is cylindrical, and sealing rings are fixedly connected at both ends of the pipe (5).

5. A high-rise building smoke exhaust device according to claim 1, characterized in that: The filter screen (9) is located in the inner cavity of the smoke exhaust box (2), there are four filter screens (9), and the four filter screens (9) are located directly above the cam (82).

6. A high-rise building smoke exhaust device according to claim 1, characterized in that: The scraper (13) is located between the two fans (12). The scraper (13) is a rectangular frame, and the outer side of the scraper (13) is in contact with the inner wall of the pipe (5) but not connected.