Ventilation and smoke prevention and exhaust device for basement

Abstract

The utility model discloses a basement ventilation smoke prevention and exhaust device which comprises a ventilation pipe, a connecting assembly is arranged at one end of the ventilation pipe, a ventilation assembly is arranged in the ventilation pipe, a filter screen is arranged on the inner wall of the ventilation pipe in a lap joint mode, an inner gear sleeve is fixedly arranged on the rear side of the filter screen, and the inner gear sleeve is rotationally connected with the ventilation pipe. A rotating assembly is arranged in the ventilation pipe, and a cleaning brush is arranged on the front side of the filter screen in a lap joint mode. According to the basement ventilation smoke prevention and exhaust device, the cleaning brush is arranged, the rotating assembly drives the inner gear sleeve to rotate, the inner gear sleeve drives the filter screen to rotate, the cleaning brush cleans the filter screen, the cleaning difficulty of the filter screen is lowered, and the situation that a fastener needs to be manually disassembled through a tool, the filter screen is taken down and cleaned and then reinstalled is avoided; and the front side of the cleaning brush is limited and blocked through the blocking assembly, so that the cleaning brush can be conveniently and rapidly replaced, and the cleaning effect of the filter screen can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of basement ventilation, in particular to a basement ventilation and smoke exhaust device. Background Art

[0002] The smoke prevention and exhaust system is a general term for the smoke prevention system and the smoke exhaust system. The smoke prevention system is a system that uses mechanical pressurized air supply or natural ventilation to discharge smoke to the outside of the building. The smoke prevention and exhaust system includes exhaust ducts, pipe shafts, fire dampers, door switch equipment, and smoke exhaust fans. The ventilation and smoke exhaust device can quickly exhaust the gas in the basement. It is usually installed at a high place. Filters are generally installed inside to prevent excessive dust from adhering to the surface of the fan blades and other internal parts, thereby protecting the inside of the ventilation and smoke exhaust device.

[0003] However, the filters in most existing ventilation and smoke exhaust devices cannot be cleaned automatically. After being used for a period of time, the filters are prone to adhere to too much dust and become clogged. Therefore, it is necessary to manually use tools to remove the fasteners, remove the filters, clean them, and then reinstall them, which makes the filter cleaning steps complicated. Therefore, a basement ventilation and smoke exhaust device is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a basement ventilation and smoke exhaust device, which is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A basement ventilation and smoke exhaust device comprises a ventilation pipe, one end of the ventilation pipe is provided with a connecting assembly, the interior of the ventilation pipe is provided with a ventilation assembly, the inner wall of the ventilation pipe is overlapped with a filter screen, the rear side of the filter screen is fixedly provided with an inner gear sleeve, and the inner gear sleeve is rotatably connected to the ventilation pipe, a rotating assembly is provided inside the ventilation pipe, a cleaning brush is overlapped with the front side of the filter screen, and the cleaning brush is overlapped with the inner wall of the ventilation pipe, a limiting plate is overlapped with the surface of the cleaning brush, and the limiting plate is fixedly provided with the inner wall of the ventilation pipe, a fixing plate is overlapped with the front side of the limiting plate, the rear side of the fixing plate is fixedly connected to the front side of the cleaning brush, the surface of the fixing plate is overlapped with the inner wall of the ventilation pipe, and a blocking assembly is overlapped with the front side of the fixing plate.

[0007] Preferably, the connection assembly includes a connection flange fixedly arranged at one end of the ventilation pipe, and bolts are overlappedly arranged inside the connection flange.

[0008] Preferably, the ventilation assembly includes a fixing frame fixedly arranged inside the ventilation pipe, a motor 1 is fixedly arranged on the rear side of the fixing frame, and an output end of the motor 1 passes through the rear surface of the fixing frame and extends to the front side of the fixing frame where a fan blade is fixedly arranged.

[0009] Preferably, the rotating assembly includes a pad fixedly arranged on the inner wall of the ventilation pipe, a second motor is fixedly arranged inside the pad, a gear is fixedly arranged on the output end of the second motor, and the gear is meshed with the inner wall of the inner gear sleeve.

[0010] Preferably, the blocking assembly includes a flip frame overlapped on the front side of the fixed plate, a hinge seat is rotatably arranged inside the flip frame, and the hinge seat is fixedly installed on the surface of the ventilation pipe, a spring is fixedly arranged inside the flip frame, and one end of the spring is fixedly connected to the surface of the ventilation pipe.

[0011] Preferably, there are four limit plates, and the four limit plates are symmetrically distributed.

[0012] Preferably, the filter screen has a circular structure and is made of metal.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the basement ventilation and smoke exhaust device, by arranging a cleaning brush, and then driving the inner gear sleeve to rotate through a rotating component, and the inner gear sleeve drives the filter to rotate, so that the cleaning brush cleans the filter, reducing the difficulty of cleaning the filter, avoiding the need to manually use tools to remove the fasteners, remove the filter, clean it, and then reinstall it, making the filter cleaning steps complicated, and the blocking component limits the front side of the cleaning brush, which is convenient for quick replacement of the cleaning brush, which is beneficial to ensuring the cleaning effect of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 It is a side sectional view of the structure of the utility model;

[0016] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 It is a top sectional view of the structure of the utility model;

[0018] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0019] Figure 6 for Figure 4 Enlarged view of center C.

[0020] In the figure: 1. ventilation pipe; 2. connecting flange; 3. bolt; 4. fixing bracket; 5. motor 1; 6. fan blade; 7. filter; 8. inner gear sleeve; 9. gear; 10. motor 2; 11. pad; 12. cleaning brush; 13. limit plate; 14. fixing plate; 15. flip frame; 16. hinge seat; 17. spring. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-6A basement ventilation and smoke exhaust device comprises a ventilation pipe 1, one end of the ventilation pipe 1 is provided with a connecting assembly, the connecting assembly comprises a connecting flange 2 fixedly arranged at one end of the ventilation pipe 1, the internal overlap of the connecting flange 2 is provided with bolts 3, and the ventilation pipe 1 is conveniently connected to other pipelines through the arrangement of the connecting flange 2 and the bolts 3, the ventilation pipe 1 is conveniently connected to other pipelines, the interior of the ventilation pipe 1 is provided with a ventilation assembly, the ventilation assembly comprises a fixing frame 4 fixedly arranged inside the ventilation pipe 1, a motor 5 is fixedly arranged on the rear side of the fixing frame 4, the output end of the motor 5 passes through the rear side surface of the fixing frame 4 and extends to the front side of the fixing frame 4 where a fan blade 6 is fixedly arranged, and the fan blade 6 is driven to rotate by the motor 5, so as to facilitate the rapid ventilation and smoke exhaust of the basement and ensure air circulation The inner wall of the ventilation pipe 1 is overlapped with a filter screen 7, which has a circular structure and is made of metal material, which improves the wear resistance of the filter screen 7 and prolongs its service life. An inner gear sleeve 8 is fixedly arranged on the rear side of the filter screen 7, and the inner gear sleeve 8 is rotatably connected to the ventilation pipe 1. A rotating assembly is arranged inside the ventilation pipe 1, and the rotating assembly includes a pad 11 fixedly arranged on the inner wall of the ventilation pipe 1, and a motor 2 10 is fixedly arranged inside the pad 11. A gear 9 is fixedly arranged on the output end of the motor 2 10, and the gear 9 is meshed with the inner wall of the inner gear sleeve 8. The gear 9 is driven to rotate by the motor 2 10, so that the inner gear sleeve 8 drives the filter screen 7 to rub and clean with the cleaning brush 12, without manual operation, and is convenient to use. A cleaning brush 12 is overlapped on the front side of the net 7, and the cleaning brush 12 is overlapped with the inner wall of the ventilation pipe 1. A limiting plate 13 is overlapped on the surface of the cleaning brush 12, and the limiting plate 13 is fixed to the inner wall of the ventilation pipe 1. There are four limiting plates 13, and the four limiting plates 13 are symmetrically distributed. The setting of the limiting plates 13 improves the stability of the cleaning brush 12, and avoids the cleaning brush 12 from tilting when cleaning the filter 7, resulting in a reduced cleaning effect. A fixing plate 14 is overlapped on the front side of the limiting plate 13, and the rear side of the fixing plate 14 is fixedly connected to the front side of the cleaning brush 12. The surface of the fixing plate 14 is overlapped with the inner wall of the ventilation pipe 1, and a blocking component is overlapped on the front side of the fixing plate 14, and the blocking component includes an overlapping setting The flip frame 15 on the front side of the fixed plate 14 has an articulated seat 16 rotatably arranged inside the flip frame 15, and the articulated seat 16 is fixedly installed on the surface of the ventilation pipe 1. A spring 17 is fixedly arranged inside the flip frame 15, and one end of the spring 17 is fixedly connected to the surface of the ventilation pipe 1. The setting of the spring 17 ensures that the flip frame 15 can stably limit and block the cleaning brush 12 to prevent the cleaning brush 12 from being unstable in contact with the filter 7 or falling off. The basement ventilation and smoke exhaust device is provided with a cleaning brush 12, and then the inner gear sleeve 8 is driven to rotate by the rotating assembly, and the inner gear sleeve 8 drives the filter 7 to rotate, so that the cleaning brush 12 cleans the filter 7, reducing the difficulty of cleaning the filter 7 and avoiding the need to manually use tools to remove the fasteners.The filter 7 is removed and cleaned and then reinstalled, which makes the cleaning steps of the filter 7 complicated. The front side of the cleaning brush 12 is limited and blocked by the blocking component, which is convenient for quickly replacing the cleaning brush 12, which is conducive to ensuring the cleaning effect of the filter 7.

[0023] During use: when the filter 7 needs to be cleaned, it is only necessary to start the motor 2 10 to drive the gear 9 to rotate, so that the gear 9 drives the inner gear sleeve 8 to rotate, and the inner gear sleeve 8 drives the filter 7 to rotate, so that the cleaning brush 12 can clean the filter 7, and there is no need to manually disassemble and clean it with tools. When the cleaning brush 12 needs to be replaced, it is only necessary to press the flip frame 15 to compress the spring 17, and the flip frame 15 is disengaged from the fixed plate 14, and the cleaning brush 12 can be pulled out from between the limit plates 13 for replacement.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A basement ventilation and smoke exhaust device, comprising a ventilation pipe (1), characterized in that: A connecting component is provided at one end of the ventilation pipe (1), a ventilation component is provided inside the ventilation pipe (1), a filter screen (7) is overlapped on the inner wall of the ventilation pipe (1), an inner gear sleeve (8) is fixedly provided on the rear side of the filter screen (7), and the inner gear sleeve (8) is rotatably connected to the ventilation pipe (1), a rotating component is provided inside the ventilation pipe (1), a cleaning brush (12) is overlapped on the front side of the filter screen (7), and the cleaning brush (12) is overlapped on the inner wall of the ventilation pipe (1), a limiting plate (13) is overlapped on the surface of the cleaning brush (12), and the limiting plate (13) is fixedly provided on the inner wall of the ventilation pipe (1), a fixing plate (14) is overlapped on the front side of the limiting plate (13), the rear side of the fixing plate (14) is fixedly connected to the front side of the cleaning brush (12), the surface of the fixing plate (14) is overlapped on the inner wall of the ventilation pipe (1), and a blocking component is overlapped on the front side of the fixing plate (14).

2. A basement ventilation and smoke exhaust device according to claim 1, characterized in that: The connection assembly comprises a connection flange (2) fixedly arranged at one end of the ventilation pipe (1), and bolts (3) are overlappedly arranged inside the connection flange (2).

3. The basement ventilation and smoke exhaust device according to claim 1, characterized in that: The ventilation assembly comprises a fixing frame (4) fixedly arranged inside the ventilation pipe (1), a motor 1 (5) being fixedly arranged on the rear side of the fixing frame (4), and an output end of the motor 1 (5) passing through the rear side surface of the fixing frame (4) and extending to the front side of the fixing frame (4) where a fan blade (6) is fixedly arranged.

4. A basement ventilation and smoke exhaust device according to claim 1, characterized in that: The rotating assembly comprises a cushion block (11) fixedly arranged on the inner wall of the ventilation pipe (1), a second motor (10) fixedly arranged inside the cushion block (11), a gear (9) fixedly arranged on the output end of the second motor (10), and the gear (9) meshingly arranged with the inner wall of the inner gear sleeve (8).

5. The basement ventilation and smoke exhaust device according to claim 1, characterized in that: The blocking assembly comprises a flip frame (15) overlapped and arranged on the front side of the fixed plate (14); a hinge seat (16) is rotatably arranged inside the flip frame (15), and the hinge seat (16) is fixedly installed on the surface of the ventilation pipe (1); a spring (17) is fixedly arranged inside the flip frame (15), and one end of the spring (17) is fixedly connected to the surface of the ventilation pipe (1).

6. A basement ventilation and smoke exhaust device according to claim 1, characterized in that: The number of the limiting plates (13) is four, and the four limiting plates (13) are symmetrically distributed.

7. The basement ventilation and smoke exhaust device according to claim 1, characterized in that: The filter screen (7) has a circular structure and is made of metal material.

Images