Digital fan air valve with regular automatic cleaning function

Abstract

The utility model relates to the technical field of fans, and discloses a digital fan air valve with a regular automatic cleaning function, which comprises a fan shell, the left side of the fan shell is fixedly connected with an air duct, the rear side of the fan shell is provided with a driving component, the front side of the driving component is fixedly connected with an air inlet fan blade, and the air inlet fan blade is fixedly connected with an air outlet fan blade. A protective frame is fixedly connected to the front side of the fan shell, a first connecting plate is fixedly connected to the front side of the exterior of the driving assembly, a plurality of sliding columns are slidably connected to the interior of the first connecting plate, springs are arranged on the exteriors of the sliding columns in a sleeving mode, and limiting discs are fixedly connected to the front sides of the sliding columns; and the rear sides of the multiple sliding columns are fixedly connected with a scraping plate. According to the fan, dust entering the fan can be filtered, meanwhile, dust attached to the air inlet of the fan can be automatically cleaned, and therefore the service life of the fan can be greatly prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a digital fan air valve with a regular automatic cleaning function. Background Art

[0002] A fan is a mechanical device used to compress and transport gas, usually including ventilators, blowers and wind turbines. It is necessary to clean the fan because it helps to maintain its normal operation, extend its service life, and ensure air quality. As a general industrial equipment, fans are widely used in various occasions, such as factories, mines, tunnels and buildings. Their main functions include ventilation, dust removal, cooling and air conditioning. Depending on the direction and pressure of the air flow, fans can be divided into many types, such as centrifugal, axial flow, mixed flow and cross flow. These types of fans play an important role in their respective fields, such as providing air circulation in air conditioning systems or conveying gases in industrial processes.

[0003] After searching, the Chinese patent document announcement number is: CN211397997U. This utility model relates to a new type of exhaust fan air valve, including a windshield and a controller. The transmission rod of the controller passes through the exhaust fan housing. The windshield includes two semicircular baffles, one of which is fixed to the transmission rod, and the other is fixed to the follower rod. The follower rod is connected to the exhaust fan housing in parallel with the transmission rod. The transmission rod and the follower rod are connected by gear meshing. One purpose of the utility model is that when the two baffles are opened, they are facing the same side of the exhaust fan, so the length of the space occupied is only half of the original windshield, which can shorten the length of the exhaust fan, thereby facilitating the installation of the exhaust fan; after the length of the exhaust fan is shortened, it is convenient for manual insertion into the exhaust fan to install the windshield.

[0004] Although the above patent mentioned in the specification that "a technical effect of the utility model is that when the two baffles are opened, they face the same side of the exhaust fan, so the length of the space occupied is only half of the original wind shield, which can shorten the length of the exhaust fan, thereby facilitating the installation of the exhaust fan; after the length of the exhaust fan is shortened, it is convenient for manual labor to reach into the exhaust fan to install the wind shield; the baffle is made of plastic, which can reduce the weight and increase the service life of the controller; the baffle is provided with ribs to increase the strength and guide the airflow", it cannot effectively prevent the interception of dust during the suction process, and cannot effectively self-clean the dust attached to the air inlet. Therefore, in view of the above shortcomings, a digital fan valve with a periodic automatic cleaning function is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a digital fan valve with a periodic automatic cleaning function, aiming to improve the problem that some fan valves in the prior art cannot effectively prevent the entry of external dust and cannot clean the dust attached to the air inlet of the fan.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A digital fan air valve with a periodic automatic cleaning function comprises a fan housing, the left side of the fan housing is fixedly connected to an air duct, the rear side of the fan housing is provided with a driving assembly, the front side of the driving assembly is fixedly connected to an air inlet blade, the front side of the fan housing is fixedly connected to a protective frame, the external front side of the driving assembly is fixedly connected to a connecting plate 1, the interior of the connecting plate 1 is slidably connected to a plurality of sliding columns, the exteriors of the plurality of sliding columns are all sleeved with springs, the front sides of the plurality of sliding columns are fixedly connected to a limiting disk, the rear sides of the plurality of sliding columns are fixedly connected to a scraper, the rear sides of the scraper are fixedly connected to the limiting frame, the interior of the protective frame is fixedly connected to a filter plate, the left side of the air duct is detachably connected to an air outlet pipe, and the interior of the air outlet pipe is provided with an adjusting assembly.

[0008] Furthermore, the driving assembly includes a motor, the front side of the motor is installed on the rear side of the fan housing, and the output end of the motor is fixedly connected to a driving shaft.

[0009] Furthermore, the adjustment component includes a digital controller, the bottom of the digital controller is installed on the top of the air outlet duct, the output end of the digital controller is fixedly connected to a threaded rod, the external thread of the threaded rod is connected to a plurality of threaded sleeves, the top rear side of the air outlet duct is fixedly connected to a support plate, the right sides of the plurality of threaded sleeves are rotatably connected to a connecting plate 2, the right sides of the plurality of connecting plates 2 are fixedly connected to a rotating column, the outside of the rotating column is fixedly connected to an adjusting fan blade, and the front side of the digital controller is fixedly connected to a display screen.

[0010] Furthermore, the outer portion of the drive shaft is rotatably connected to the interior of the fan housing, and the outer portion of the drive shaft is rotatably connected to the interior of the protective frame.

[0011] Furthermore, the rear side of the scraper is slidably connected to the front side of the protective frame, and the outside of the limiting frame is slidably connected to the inside of the protective frame.

[0012] Furthermore, one end of the spring is fixedly connected to the front side of the scraper, and the other end of the spring is fixedly connected to the inside of the connecting plate.

[0013] Furthermore, the rear side of the threaded rod is rotatably connected to the inside of the support plate, and the bottom of the threaded sleeve is slidably connected to the top of the air outlet pipe.

[0014] Furthermore, the outside of the rotating column is rotatably connected to the inside of the air outlet pipe, and the bottom of the second connecting plate is slidably connected to the top of the air outlet pipe.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, through the coordinated use of the drive shaft, the fan blades, the protective frame, the connecting plate, the sliding column, the spring, the limit plate, the scraper, the limit frame, the filter plate and other structures, not only can the dust entering the fan be filtered, but also the dust attached to the air inlet of the fan can be self-cleaned, thereby greatly extending the service life of the fan.

[0017] 2. In the utility model, through the coordinated use of structures such as threaded rods, threaded sleeves, support plates, connecting plates 2, rotating columns, fan blades, and display screens, not only can the air volume and air outlet angle at the air outlet be adjusted, but the air volume and adjustment angle can also be displayed on the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a digital fan air valve with a periodic automatic cleaning function proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the air duct structure of a digital fan air valve with a periodic automatic cleaning function proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of a fan housing of a digital fan air valve with a periodic automatic cleaning function proposed by the utility model;

[0021] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0022] Figure 5 This is a schematic diagram of the fan-adjusting blade structure of a digital fan air valve with a periodic automatic cleaning function proposed by the utility model.

[0023] Legend:

[0024] 1. Fan housing; 2. Air duct; 3. Motor; 4. Drive shaft; 5. Fan inlet blades; 6. Protective frame; 7. Connecting plate 1; 8. Sliding column; 9. Spring; 10. Limiting plate; 11. Scraper; 12. Limiting frame; 13. Filter plate; 14. Air outlet duct; 15. Digital controller; 16. Threaded rod; 17. Threaded sleeve; 18. Support plate; 19. Connecting plate 2; 20. Rotating column; 21. Adjusting fan blades; 22. Display screen. DETAILED DESCRIPTION

[0025] 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.

[0026] Reference Figure 2 - Figure 4The utility model provides an embodiment: a digital fan air valve with a periodic automatic cleaning function, comprising a fan housing 1, the left side of the fan housing 1 is fixedly connected to an air duct 2, the fan housing 1 is the main structural support of the entire fan air valve system, and its left side is fixedly connected to the air duct 2 for guiding air flow, a drive assembly is arranged on the rear side of the fan housing 1, the drive assembly comprises a motor 3, the motor 3 provides power for the entire system, the front side of the motor 3 is mounted on the rear side of the fan housing 1, the output end of the motor 3 is fixedly connected to a drive shaft 4, the drive shaft 4 The outside of the fan housing 1 is rotatably connected to the inside of the fan housing 1, and the driving shaft 4 transmits the power of the motor 3 to other parts. The front side of the driving component is fixedly connected to the fan blade 5. When the motor 3 is working, the fan blade 5 rotates to generate wind flow. The front side of the fan housing 1 is fixedly connected to the protective frame 6. The protective frame 6 plays a role in protecting the internal structure and guiding the flow. The outside of the driving shaft 4 is rotatably connected to the inside of the protective frame 6. The outside front side of the driving component is fixedly connected to a connecting plate 7. The design here uses the connecting plate 7 to transmit the power of the driving shaft 4. The internal sliding of the connecting plate 7 The plurality of sliding columns 8 are dynamically connected, and the outsides of the plurality of sliding columns 8 are all sleeved with springs 9, one end of the spring 9 is fixedly connected to the front side of the scraper 11, and the other end of the spring 9 is fixedly connected to the inside of the connecting plate 7, and the spring 9 is used to ensure that the scraper 11 can always be close to the outside of the protective frame 6, and the front sides of the plurality of sliding columns 8 are fixedly connected to the limit plate 10, and the limit plate 10 is used to limit the moving range of the sliding columns 8 and the scraper 11, and the rear sides of the plurality of sliding columns 8 are fixedly connected to the scraper 11, and the rear side of the scraper 11 is slidably connected to the front side of the protective frame 6. The front side of the protective frame 6 slides to clean the dust on the protective frame 6. The rear side of the scraper 11 is fixedly connected to the limiting frame 12. The outside of the limiting frame 12 is slidably connected to the inside of the protective frame 6. The limiting frame 12 slides inside the protective frame 6 to further stabilize the movement of the scraper 11. The inside of the protective frame 6 is fixedly connected to a filter plate 13, and the filter plate 13 allows air to pass through. The left side of the air duct 2 is detachably connected to an air outlet pipe 14. The detachable connection designed here is a bolt connection, which is convenient for cleaning and maintenance. An adjustment component is provided inside the air outlet pipe 14.

[0027] Reference Figure 1 , Figure 3 and Figure 5The regulating component includes a digital controller 15, the bottom of which is installed on the top of the air outlet pipe 14, and the digital controller 15 is used to control the operation of the regulating component. The output end of the digital controller 15 is fixedly connected with a threaded rod 16, and the external thread of the threaded rod 16 is connected with a plurality of threaded sleeves 17. It is designed here that the threaded sleeve 17 can make a linear motion by rotating the threaded rod 16, and the bottom of the threaded sleeve 17 is slidably connected to the top of the air outlet pipe 14, and the rear side of the top of the air outlet pipe 14 is fixedly connected with a support plate 18, and the rear side of the threaded rod 16 is rotatably connected to the inside of the support plate 18, and the plurality of threaded sleeves 17 are connected to the top of the air outlet pipe 14. The right side of the sleeve 17 is rotatably connected to a connecting plate 21, the bottom of the connecting plate 21 is slidably connected to the top of the air outlet 14, and the right sides of multiple connecting plates 21 are fixedly connected to a rotating column 20, the outside of the rotating column 20 is rotatably connected to the inside of the air outlet 14, and it is designed here that the rotation of the fan-adjusting blades 21 can be controlled by the rotation of the rotating column 20, and the outside of the rotating column 20 is fixedly connected to the fan-adjusting blades 21, and the fan blades can adjust the angle to change the air volume and wind direction. The front side of the digital controller 15 is fixedly connected to a display screen 22, and the display screen 22 is designed here to display the adjusted angle and air volume.

[0028] Working principle: When the fan valve starts to work, the motor 3 can be started, and the rotation of the output end of the motor 3 drives the drive shaft 4 to rotate, and then the fan blades 5 can be rotated. At this time, air can be sucked from the outside to form wind force to enter the inside of the air duct 2. At this time, as the drive shaft 4 rotates, the connecting plate 7 will rotate, and then the sliding column 8 and the scraper 11 will also rotate. At this time, the spring 9 is always in a compressed state, so that the scraper 11 can always be close to the outside of the protective frame 6, and the scraper 11 can slide on the front side of the filter plate 13, so that the filter plate 13 can be cleaned. The limit frame 12 is used to make the displacement of the scraper 11 more stable. When the air volume and the air outlet angle need to be adjusted, the digital controller 15 can be started, and the rotation of the threaded rod 16 can be controlled by the digital controller 15, so that the threaded sleeve 17 can be displaced. At this time, the displacement of the threaded sleeve 17 will drive the connecting plate 19 to be displaced, and then the rotating column 20 can be rotated. With the rotation of the rotating column 20, the fan blade 21 can be rotated. At this time, the air volume and angle can be adjusted by rotating the fan blade 21, and the adjustment angle and air volume can be displayed on the display screen 22.

[0029] 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 digital fan air valve with a periodic automatic cleaning function, comprising a fan housing (1), characterized in that: The left side of the fan housing (1) is fixedly connected to an air duct (2); the rear side of the fan housing (1) is provided with a driving assembly; the front side of the driving assembly is fixedly connected to an air inlet blade (5); the front side of the fan housing (1) is fixedly connected to a protective frame (6); the outer front side of the driving assembly is fixedly connected to a connecting plate (7); the interior of the connecting plate (7) is slidably connected to a plurality of sliding columns (8); the exteriors of the plurality of sliding columns (8) are sleeved with springs (9); the front sides of the plurality of sliding columns (8) are fixedly connected to a limiting disk (10); the rear sides of the plurality of sliding columns (8) are fixedly connected to a scraper (11); the rear sides of the scraper (11) are fixedly connected to a limiting frame (12); the interior of the protective frame (6) is fixedly connected to a filter plate (13); the left side of the air duct (2) is detachably connected to an air outlet pipe (14); the interior of the air outlet pipe (14) is provided with an adjustment assembly.

2. The digital fan air valve with periodic automatic cleaning function according to claim 1 is characterized in that: The drive assembly comprises a motor (3), the front side of the motor (3) is mounted on the rear side of the fan housing (1), and the output end of the motor (3) is fixedly connected to a drive shaft (4).

3. The digital fan air valve with periodic automatic cleaning function according to claim 1 is characterized in that: The regulating component comprises a digital controller (15), the bottom of the digital controller (15) is mounted on the top of the air outlet pipe (14), the output end of the digital controller (15) is fixedly connected to a threaded rod (16), the outer thread of the threaded rod (16) is connected to a plurality of threaded sleeves (17), the top rear side of the air outlet pipe (14) is fixedly connected to a support plate (18), the right sides of the plurality of threaded sleeves (17) are rotatably connected to a second connecting plate (19), the right sides of the plurality of connecting plates (19) are fixedly connected to a rotating column (20), the outside of the rotating column (20) is fixedly connected to an air regulating fan blade (21), and the front side of the digital controller (15) is fixedly connected to a display screen (22).

4. The digital fan air valve with periodic automatic cleaning function according to claim 2 is characterized in that: The outside of the drive shaft (4) is rotatably connected to the inside of the fan housing (1), and the outside of the drive shaft (4) is rotatably connected to the inside of the protective frame (6).

5. The digital fan air valve with periodic automatic cleaning function according to claim 1 is characterized in that: The rear side of the scraper (11) is slidably connected to the front side of the protective frame (6), and the outside of the limiting frame (12) is slidably connected to the inside of the protective frame (6).

6. The digital fan air valve with periodic automatic cleaning function according to claim 1, characterized in that: One end of the spring (9) is fixedly connected to the front side of the scraper (11), and the other end of the spring (9) is fixedly connected to the inside of the connecting plate (7).

7. The digital fan air valve with periodic automatic cleaning function according to claim 3 is characterized in that: The rear side of the threaded rod (16) is rotatably connected to the inside of the support plate (18), and the bottom of the threaded sleeve (17) is slidably connected to the top of the air outlet pipe (14).

8. The digital fan air valve with periodic automatic cleaning function according to claim 3 is characterized in that: The outside of the rotating column (20) is rotatably connected to the inside of the air outlet pipe (14), and the bottom of the second connecting plate (19) is slidably connected to the top of the air outlet pipe (14).

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