Smoke prevention and exhaust device for high-rise building
By designing a diversion mechanism in the smoke-proof and exhaust device of high-rise buildings, automatic switching of the flue gas flow direction is solved, and the existing devices cannot switch to the backup pipeline during pipeline failure or maintenance is solved, ensuring the continuous operation of the system and the unblocking of the escape passage.
Patent Information
- Application Number
- CN202421148807.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing smoke-proof and smoke exhaust device of high-rise buildings only has one operation channel. If the channel fails or needs maintenance, the system will be interrupted and cannot switch to the backup pipeline, resulting in the inability to maintain it in a shutdown state, affecting the smooth flow of the escape channel.
A smoke-proof and smoke exhaust device for high-rise buildings is designed, and a diversion mechanism is adopted, including a diversion chamber, a diversion plate, a fixed column, a column and a sleeve. The diversion plate and the column can automatically rotate through a spring connection to realize the switching of the flue gas flow direction.
When a pipeline fails or needs maintenance, you can switch to a backup pipeline to ensure that the system continues to operate, avoid downtime and maintenance, and ensure the unblocking of escape passages and personnel safety.
Smart Images
Figure CN222811897U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of smoke prevention equipment, in particular to a smoke prevention and exhaust device for high-rise buildings. Background Art
[0002] When a fire occurs, a high-rise building smoke prevention and exhaust device is needed to maximize the protection of the safety of people in the building, reduce the losses caused by the fire, and provide effective rescue conditions for firefighters.
[0003] When using the smoke and exhaust device, smoke is discharged to the outside through the smoke exhaust port, reducing the impact of smoke on personnel, improving the visibility and escape safety of the escape route, and the smoke and exhaust device can ensure that the escape route is unobstructed, providing a safe escape route for people in the building.
[0004] Usually, a smoke and exhaust device is only equipped with one operating channel. Once the channel fails or needs maintenance, the system will be interrupted. In addition, when performing routine maintenance or emergency repairs, the flow cannot be switched to the backup pipeline, and maintenance must be performed in a shutdown state, resulting in failure to provide a safe escape for people in the building. Therefore, a smoke and exhaust device for high-rise buildings is proposed to solve the above problems. Utility Model Content
[0005] In order to make up for the above deficiencies, the utility model provides a smoke prevention and exhaust device for high-rise buildings, aiming to improve the problem that the prior art only has one operating channel. Once the channel fails or needs maintenance, the system will interrupt operation, and when performing routine maintenance or emergency repairs, the flow cannot be switched to the spare pipeline, and maintenance must be carried out in a shutdown state, resulting in the failure to provide a safe escape for people in the building.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-rise building smoke prevention and exhaust device, including a smoke inlet pipe, the outer wall of the smoke inlet pipe is provided with a diversion mechanism, the diversion mechanism includes a diversion cabin, the outer wall of the diversion cabin is fixedly connected to the outer wall of the smoke inlet pipe, the inner wall of the diversion cabin is rotatably connected to a fixed column, the outer wall of the fixed column is fixedly connected to a diversion plate, the outer wall of the diversion plate is rotatably connected to the inner wall of the diversion cabin, the inner wall of the fixed column is slidably connected to a column, the outer wall of the diversion cabin is fixedly connected to a sleeve, and the inner wall of the sleeve is elastically connected to the outer wall of the column through a spring A.
[0007] As a further description of the above technical solution:
[0008] A first U-shaped tube is fixedly connected to the outer wall of the diversion cabin, a smoke exhaust pipe is fixedly connected to the outer wall of the first U-shaped tube, and a smoke exhaust fan is fixedly connected to the outer wall of the smoke exhaust pipe.
[0009] As a further description of the above technical solution:
[0010] The outer wall of the diversion cabin is fixedly connected to the second U-shaped tube, the outer wall of the second U-shaped tube is fixedly connected to the outer wall of the smoke exhaust pipe, the inner wall of the second U-shaped tube is inserted with a baffle plate, the inner wall of the baffle plate is clamped with an inclined block, the outer wall of the inclined block is elastically connected to the inner wall of the second U-shaped tube through a spring B, the outer wall of the inclined block is slidably connected to the inner wall of the second U-shaped tube, the outer wall of the inclined block is fixedly connected to a moving block, and the outer wall of the moving block is slidably connected to the inner wall of the second U-shaped tube.
[0011] As a further description of the above technical solution:
[0012] One end of the spring A is fixedly connected to the inner wall of the sleeve, and the other end of the spring A is fixedly connected to the outer wall of the cylinder.
[0013] As a further description of the above technical solution:
[0014] One end of the spring B is fixedly connected to the outer wall of the inclined block, and the other end of the spring B is fixedly connected to the inner wall of the second U-shaped tube.
[0015] As a further description of the above technical solution:
[0016] The first U-shaped tube and the second U-shaped tube are both set to be U-shaped, and the inner walls of the first U-shaped tube and the inner walls of the second U-shaped tube are both hinged with cleaning doors.
[0017] As a further description of the above technical solution:
[0018] The outer wall of the column is fixedly connected with a positioning block, and the outer wall of the positioning block is slidably connected with the inner wall of the fixed column.
[0019] As a further description of the above technical solution:
[0020] The outer wall of the column is fixedly connected with a clamping block, the outer wall of the sleeve is provided with an N-shaped groove, and the inner wall of the N-shaped groove is slidably connected with the outer wall of the clamping block.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, a diversion mechanism is provided so that when one of the pipelines fails or needs maintenance, the flow direction of the smoke is switched. In an emergency, such as a fire or other emergency, switching to a spare pipeline can ensure that the system can continue to operate.
[0023] 2. In the utility model, by designing the pipeline into a U shape, the dust in the pipeline can be processed centrally, thereby keeping the system clean and in good operating condition, and by regularly cleaning the dust, the failure rate of the equipment can be reduced and the reliability and durability of the equipment can be improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of the main structure of a smoke prevention and exhaust device for high-rise buildings proposed by the utility model;
[0025] Figure 2 This is a cross-sectional structural diagram of a diverter of a smoke prevention and exhaust device for a high-rise building proposed by the utility model;
[0026] Figure 3 This is a schematic cross-sectional structure diagram of a fixed column of a high-rise building smoke prevention and exhaust device proposed by the utility model;
[0027] Figure 4 This is a schematic diagram of the sleeve structure of a high-rise building smoke prevention and exhaust device proposed by the utility model;
[0028] Figure 5 This is a schematic diagram of the structure of a baffle plate of a high-rise building smoke prevention and exhaust device proposed by the utility model;
[0029] Figure 6 The utility model is a schematic diagram of the cross-sectional structure of a baffle plate of a smoke prevention and exhaust device for a high-rise building.
[0030] Legend:
[0031] 1. Smoke inlet pipe; 2. Diverter compartment; 3. First U-shaped pipe; 4. Second U-shaped pipe; 5. Cleaning door; 6. Smoke exhaust pipe; 7. Smoke exhaust fan; 8. Diverter plate; 9. Column; 10. Positioning block; 11. Spring A; 12. Sleeve; 13. Fixed column; 14. Blocking plate; 15. Oblique block; 16. Spring B; 17. Snap-in block; 18. N-shaped groove; 19. Moving block. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] Reference Figure 1-Figure 3The utility model provides an embodiment: a high-rise building smoke prevention and exhaust device, including a smoke inlet pipe 1, the outer wall of the smoke inlet pipe 1 is provided with a diversion mechanism, the diversion mechanism includes a diversion cabin 2, the outer wall of the diversion cabin 2 is fixedly connected to the outer wall of the smoke inlet pipe 1, the outer wall of the diversion cabin 2 is fixedly connected to the smoke inlet pipe 1, so that the smoke in the smoke inlet pipe 1 can enter the diversion cabin 2, the inner wall of the diversion cabin 2 is rotatably connected to a fixed column 13, the fixed column 13 can rotate along the inner wall of the diversion cabin 2, the outer wall of the fixed column 13 is fixedly connected to a diversion plate 8, so that the fixed column 13 can drive the diversion The effect of the plate 8 rotating is that the outer wall of the diverter plate 8 is rotatably connected to the inner wall of the diverter chamber 2, so that the diverter plate 8 can rotate along the inner wall of the diverter chamber 2, the inner wall of the fixed column 13 is slidably connected to the column 9, so that the column 9 can move vertically along the inner wall of the fixed column 13, the outer wall of the diverter chamber 2 is fixedly connected to the sleeve 12, and the outer wall of the diverter chamber 2 provides a fixed support for the sleeve 12, the inner wall of the sleeve 12 is elastically connected to the outer wall of the column 9 through the spring A11, and the elastic force of the spring A11 makes the column 9 always keep moving downward without being affected by external forces.
[0034] Reference Figure 1-Figure 2 The outer wall of the diversion cabin 2 is fixedly connected to a first U-shaped tube 3, so that the smoke in the diversion cabin 2 can enter the first U-shaped tube 3. The outer wall of the first U-shaped tube 3 is fixedly connected to a smoke exhaust pipe 6, so that the smoke in the first U-shaped tube 3 can enter the smoke exhaust pipe 6. The outer wall of the smoke exhaust pipe 6 is fixedly connected to a smoke exhaust fan 7, so that the smoke in the smoke exhaust pipe 6 can enter the smoke exhaust fan 7 and then be discharged to the outside by the smoke exhaust fan 7.
[0035] Reference Figure 1-Figure 2 , Figure 5-Figure 6The outer wall of the diversion cabin 2 is fixedly connected with the second U-shaped tube 4, so that the smoke in the diversion cabin 2 can enter the second U-shaped tube 4, the outer wall of the second U-shaped tube 4 is fixedly connected with the outer wall of the exhaust pipe 6, so that the smoke in the second U-shaped tube 4 can enter the exhaust pipe 6, and then be discharged to the outside by the exhaust fan 7, the inner wall of the second U-shaped tube 4 is plugged with a baffle plate 14, so that the baffle plate 14 can move vertically along the inner wall of the second U-shaped tube 4, the inner wall of the baffle plate 14 is clamped with an inclined block 15, so that the baffle plate 14 can be fixed in the second U-shaped tube 4 by clamping with the inclined block 15, the inclined block 15 The outer wall is elastically connected to the inner wall of the second U-shaped tube 4 through a spring B16. Through the elastic force of the spring B16, the inclined block 15 always keeps moving outward without being affected by external force. The outer wall of the inclined block 15 is slidably connected to the inner wall of the second U-shaped tube 4, so that the inclined block 15 can move laterally along the inner wall of the second U-shaped tube 4. The outer wall of the inclined block 15 is fixedly connected to a moving block 19, so that when the moving block 19 is operated, the inclined block 15 can be driven to move together. The outer wall of the moving block 19 is slidably connected to the inner wall of the second U-shaped tube 4, so that the moving block 19 can move laterally along the inner wall of the second U-shaped tube 4.
[0036] Reference Figure 3 One end of the spring A11 is fixedly connected to the inner wall of the sleeve 12, and the other end of the spring A11 is fixedly connected to the outer wall of the column 9. Through the elastic force of the spring A11, when the pulling of the column 9 stops, the column 9 can move downward due to the elastic force of the spring A11.
[0037] Reference Figure 6 One end of the spring B16 is fixedly connected to the outer wall of the inclined block 15, and the other end of the spring B16 is fixedly connected to the inner wall of the second U-shaped tube 4. Through the elastic force of the spring B16, when the moving block 19 stops operating, the inclined block 15 can move outward due to the elastic force of the spring B16.
[0038] Reference Figure 1-Figure 2 The first U-shaped tube 3 and the second U-shaped tube 4 are both designed to be U-shaped, so that when the smoke passes through the first U-shaped tube 3 and the second U-shaped tube 4, the dust in the smoke will settle to the bottom of the U-shaped tube due to the U-shape. The inner wall of the first U-shaped tube 3 and the inner wall of the second U-shaped tube 4 are both hinged with a cleaning door 5, so that the staff can more conveniently clean the dust in the first U-shaped tube 3 and the second U-shaped tube 4.
[0039] Reference Figure 3 The outer wall of the column 9 is fixedly connected with a positioning block 10, so that when the column 9 moves vertically, it can drive the positioning block 10 to move together. The outer wall of the positioning block 10 is slidably connected to the inner wall of the fixed column 13, so that the positioning block 10 can move vertically along the inner wall of the fixed column 13, and the column 9 can drive the fixed column 13 to rotate.
[0040] Reference Figure 4 The outer wall of the column 9 is fixedly connected with a clamping block 17, so that the column 9 can drive the clamping block 17 to move together. The outer wall of the sleeve 12 is provided with an N-shaped groove 18, so that the clamping block 17 can move horizontally and vertically along the inner wall of the sleeve 12. The inner wall of the N-shaped groove 18 is slidably connected to the outer wall of the clamping block 17, so that the clamping block 17 can always slide along the inner wall of the N-shaped groove 18, and because it is N-shaped, the clamping block 17 can be clamped on both sides of the N-shaped groove 18.
[0041] Working principle: When using the device, the smoke first enters the diversion cabin 2 from the smoke inlet pipe 1, and then can only enter the first U-shaped tube 3 due to the influence of the diversion plate 8, and then enters the smoke exhaust pipe 6 and is discharged into the smoke exhaust fan 7, and then is discharged to the outside by the smoke exhaust fan 7. When it is necessary to clean the dust, just open the cleaning door 5 on the outer wall of the first U-shaped tube 3 to clean the dust in the pipe.
[0042] When the first pipeline fails or needs maintenance, first pull the moving block 19 outward to release the fixation of the baffle plate 14, then pull out the baffle plate 14 upward to make the second U-shaped tube 4 communicate with the smoke exhaust pipe 6, then pull the top of the column 9 upward to move the clamping block 17 to the top of the N-shaped groove 18, and then rotate the column 9 to drive the fixed column 13 and the diverter plate 8 to rotate along the inner wall of the diverter compartment 2. When it rotates to the specified position, release the column 9, and then the column 9 will move downward due to the elastic force of the spring A11, and at the same time drive the clamping block 17 to engage with the N-shaped groove 18, so that the column 9, the fixed column 13 and the diverter plate 8 are fixed, and then the smoke will enter the second U-shaped tube 4 due to the rotation of the diverter plate 8, and will not enter the first U-shaped tube 3, and then be discharged into the smoke exhaust fan 7 by the second U-shaped tube 4, and then be discharged to the outside by the smoke exhaust fan 7.
[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A smoke prevention and exhaust device for a high-rise building, comprising a smoke inlet pipe (1), characterized in that: The outer wall of the smoke inlet pipe (1) is provided with a diversion mechanism, the diversion mechanism comprising a diversion chamber (2), the outer wall of the diversion chamber (2) is fixedly connected to the outer wall of the smoke inlet pipe (1), the inner wall of the diversion chamber (2) is rotatably connected to a fixing column (13), the outer wall of the fixing column (13) is fixedly connected to a diversion plate (8), the outer wall of the diversion plate (8) is rotatably connected to the inner wall of the diversion chamber (2), the inner wall of the fixing column (13) is slidably connected to a column (9), the outer wall of the diversion chamber (2) is fixedly connected to a sleeve (12), and the inner wall of the sleeve (12) is elastically connected to the outer wall of the column (9) via a spring A (11).
2. A high-rise building smoke prevention and exhaust device according to claim 1, characterized in that: The outer wall of the diversion chamber (2) is fixedly connected to a first U-shaped tube (3), the outer wall of the first U-shaped tube (3) is fixedly connected to a smoke exhaust pipe (6), and the outer wall of the smoke exhaust pipe (6) is fixedly connected to a smoke exhaust fan (7).
3. A high-rise building smoke prevention and exhaust device according to claim 1, characterized in that: The outer wall of the diversion chamber (2) is fixedly connected to a second U-shaped tube (4), the outer wall of the second U-shaped tube (4) is fixedly connected to the outer wall of the smoke exhaust pipe (6), the inner wall of the second U-shaped tube (4) is plugged with a baffle plate (14), the inner wall of the baffle plate (14) is clamped with an inclined block (15), the outer wall of the inclined block (15) is elastically connected to the inner wall of the second U-shaped tube (4) via a spring B (16), the outer wall of the inclined block (15) is slidably connected to the inner wall of the second U-shaped tube (4), the outer wall of the inclined block (15) is fixedly connected to a moving block (19), and the outer wall of the moving block (19) is slidably connected to the inner wall of the second U-shaped tube (4).
4. A high-rise building smoke prevention and exhaust device according to claim 1, characterized in that: One end of the spring A (11) is fixedly connected to the inner wall of the sleeve (12), and the other end of the spring A (11) is fixedly connected to the outer wall of the column (9).
5. The smoke prevention and exhaust device for high-rise buildings according to claim 3 is characterized in that: One end of the spring B (16) is fixedly connected to the outer wall of the inclined block (15), and the other end of the spring B (16) is fixedly connected to the inner wall of the second U-shaped tube (4).
6. A high-rise building smoke prevention and exhaust device according to claim 2, characterized in that: The first U-shaped tube (3) and the second U-shaped tube (4) are both U-shaped, and the inner walls of the first U-shaped tube (3) and the inner walls of the second U-shaped tube (4) are both hingedly provided with cleaning doors (5).
7. The smoke prevention and exhaust device for high-rise buildings according to claim 1, characterized in that: A positioning block (10) is fixedly connected to the outer wall of the column (9), and the outer wall of the positioning block (10) is slidably connected to the inner wall of the fixed column (13).
8. The smoke prevention and exhaust device for high-rise buildings according to claim 1, characterized in that: The outer wall of the column (9) is fixedly connected with a clamping block (17), the outer wall of the sleeve (12) is provided with an N-shaped groove (18), and the inner wall of the N-shaped groove (18) is slidably connected with the outer wall of the clamping block (17).