Ventilation fan with dust filtering effect
Patent Information
- Application Number
- CN202521562628.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-25
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2035-07-25
AI Technical Summary
[0003]通风风机在进行工作的过程中,空气通过进风筒进入到通风风机内部,这样容易对通风风机造成损坏,从而影响通风风机的使用
[0013]本实用新型具有以下有益之处:本实用新型筒通过限位组件的设置,可以实现旋转轴进行平稳的转动处理,从而可以方便设备进行安全的转动处理;
Smart Images

Figure CN224729816U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ventilation fans, specifically a ventilation fan with filtration and dust removal effects. Background Technology
[0002] Ventilation fans are a broad term referring to fan equipment used to promote airflow and achieve purposes such as ventilation, dust removal, smoke extraction, and cooling. They play a vital role in industrial, commercial, and civil buildings, as well as in various special environments.
[0003] When a ventilation fan is in operation, air enters the fan through the air inlet duct, which can easily damage the fan and affect its use. Utility Model Content
[0004] This invention provides a ventilation fan with filtration and dust removal effects, solving the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: A ventilation fan with dust removal and filtration effects includes a supporting base frame. The four corners of the base frame are equipped with mounting components for easy leveling and installation. A fan ventilation chamber is fixedly mounted on the left end of the supporting base frame. A connecting cylinder is connected to the right end of the fan ventilation chamber. The bottom of the connecting cylinder is connected to the supporting base frame via a mounting frame. A rotating shaft is rotatably mounted inside the connecting cylinder and the fan ventilation chamber. The rotating shaft inside the fan ventilation chamber is connected to the fan blades via a mounting sleeve. The rotating shaft inside the connecting cylinder is rotatably connected via several sets of limiting components. A rotation drive assembly for driving the rotating shaft is mounted on the supporting base frame. An air inlet duct is connected to the left end of the fan ventilation chamber. A first filter plate is mounted on the outer end of the air inlet duct. A second filter plate is also installed inside the air inlet duct. A dust storage cylinder is mounted on the air inlet duct at the bottom of the second filter plate. A dust discharge assembly is located at the bottom of the dust storage cylinder.
[0006] As a preferred technical solution of this utility model, the installation component includes a leveling screw fixedly connected to the bottom of the support base, a limit block is provided at the bottom of the leveling screw, a support platform is threadedly connected to the leveling screw, and an installation hole is provided at the bottom of the support platform.
[0007] As a preferred embodiment of this utility model, the front end of the fan ventilation cavity is provided with a maintenance component for inspecting and repairing the fan ventilation cavity.
[0008] As a preferred embodiment of the present invention, the maintenance component includes a maintenance port that is connected to the front end of the fan ventilation cavity, and a sealing cover is installed on the maintenance port, with a handle provided on the sealing cover.
[0009] As a preferred technical solution of this utility model, the limiting component includes a plurality of limiting grooves fixedly connected to the inner wall of the connecting cylinder, and a limiting disk is rotatably installed inside the limiting grooves, the limiting disk being connected to the rotating shaft.
[0010] As a preferred technical solution of this utility model, the rotation drive assembly includes a pair of motor mounting seats fixedly connected to the support base. A drive motor is provided on the top of the motor mounting seat. The ends of the motor shaft and the rotation shaft of the drive motor are provided with pulleys, which are connected to each other by a transmission belt.
[0011] As a preferred embodiment of this utility model, the outer end of the transmission belt is provided with a protective cover, which is fixedly connected to the support base.
[0012] As a preferred embodiment of the present invention, the dust removal assembly includes a dust removal pipe that is connected in a conductive manner to the dust storage cylinder, and a control valve is installed on the dust removal pipe.
[0013] The present invention has the following advantages: the cylinder of the present invention, through the setting of the limiting component, can realize the smooth rotation of the rotating shaft, thereby facilitating the safe rotation of the equipment; This utility model has a simple structure and is easy to operate. It filters dust in the air by using a first filter plate at the outer end of the air inlet duct and a second filter plate inside the air inlet duct. The dust falls into the dust storage cylinder, which facilitates the filtration and dust removal by the ventilation fan. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a ventilation fan with filtration and dust removal effects.
[0015] Figure 2 This is a schematic diagram of the connection between the motor mounting base and the drive motor in a ventilation fan with filtration and dust removal effect.
[0016] Figure 3 This is a schematic diagram of the components installed in a ventilation fan with filtration and dust removal effects.
[0017] Figure 4 This is a cross-sectional view of the ventilation cavity in a ventilation fan with a dust removal and filtration effect.
[0018] Figure 5 This is a front sectional view of a ventilation fan with a dust removal and filtration function.
[0019] In the diagram: 1. Support base; 2. Leveling screw; 3. Limiting block; 4. Support platform; 5. Mounting hole; 6. Fan ventilation chamber; 7. Inspection port; 8. Sealing cover; 9. Handle; 10. Mounting frame; 11. Storage cylinder; 12. Rotating shaft; 13. Limiting plate; 14. Limiting groove; 15. Mounting sleeve; 16. Ventilation fan blade; 17. Motor mounting base; 18. Drive motor; 19. Pulley; 20. Transmission belt; 21. Protective cover; 22. Air inlet duct; 23. First filter plate; 24. Second filter plate; 25. Dust storage cylinder; 26. Dust exhaust pipe; 27. Control valve. Detailed Implementation
[0020] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.
[0021] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Example
[0022] Please see Figure 1-5 A ventilation fan with dust removal and filtration effects includes a support base 1. The support base 1 has mounting components at its four bottom corners for easy leveling and installation. A fan ventilation chamber 6 is fixedly mounted on the left end of the support base 1. A connecting cylinder 11 is conductively connected to the right end of the fan ventilation chamber 6. The bottom of the connecting cylinder 11 is connected to the support base 1 via a mounting frame 10. A rotating shaft 12 is rotatably mounted inside the connecting cylinder 11 and the fan ventilation chamber 6. The rotating shaft 12, located inside the fan ventilation chamber 6, is connected to the ventilation fan via a mounting sleeve 15. The blade 16 is connected, and the rotating shaft 12 located inside the connecting cylinder 11 is rotatably connected through several sets of limiting components; a rotation drive component for driving the rotating shaft 12 to rotate is installed on the support base frame 1; the left end of the fan ventilation cavity 6 is connected to the air inlet duct 22, the outer end of the air inlet duct 22 is provided with a first filter plate 23, the inside of the air inlet duct 22 is also installed with a second filter plate 24, a dust storage cylinder 25 is installed on the air inlet duct 22 located at the bottom of the second filter plate 24, and a dust discharge component is provided at the bottom of the dust storage cylinder 25.
[0023] This utility model drives the rotating shaft 12 to rotate through the rotation drive assembly. The rotating shaft 12 drives the ventilation fan blades 16 to rotate for ventilation. The air passes through the first filter plate 23 set at the outer end of the air inlet duct 22 and the second filter plate 24 set inside the air inlet duct 22 to filter the dust in the air. The dust falls into the dust storage cylinder 25, which facilitates the ventilation fan to perform filtration and dust removal.
[0024] In one instance of this embodiment, please refer to Figure 3 The installation components include a leveling screw 2 fixedly connected to the bottom of the support base 1, a limit block 3 at the bottom of the leveling screw 2, a support platform 4 threadedly connected to the leveling screw 2, and a mounting hole 5 at the bottom of the support platform 4. The rotation height can be adjusted by manually rotating the support platform 4 and the leveling screw 2. The mounting hole 5 allows for the fixed installation of the entire device.
[0025] In one instance of this embodiment, please refer to Figure 4 The front end of the fan ventilation cavity 6 is provided with a maintenance component for inspecting and maintaining the fan ventilation cavity 6. The maintenance component facilitates the inspection and maintenance of the fan blades 16.
[0026] In one instance of this embodiment, please refer to Figure 4 The maintenance component includes a maintenance port 7 connected to the front end of the fan ventilation cavity 6. A sealing cover 8 is installed on the maintenance port 7, and a handle 9 is provided on the sealing cover 8. By opening the sealing cover 8 and the maintenance port 7, the fan ventilation cavity 6 can be closed and separated, thereby facilitating the observation and maintenance of the interior of the fan ventilation cavity 6.
[0027] In one instance of this embodiment, please refer to Figure 5 The limiting component includes several limiting grooves 14 that are fixedly connected to the inner wall of the connecting cylinder 11. A limiting disk 13 is rotatably installed inside the limiting groove 14. The limiting disk 13 is connected to the rotating shaft 12. During the rotation of the rotating shaft 12, the limiting disk 13 rotates synchronously inside the limiting groove 14, which can ensure that the rotating shaft 12 rotates smoothly.
[0028] In one instance of this embodiment, please refer to Figure 1 and Figure 2 The rotation drive assembly includes a pair of motor mounting bases 17 fixedly connected to the support base 1. A drive motor 18 is provided on the top of the motor mounting base 17. The motor shaft of the drive motor 18 and the end of the rotating shaft 12 are both provided with pulleys 19. The pulleys 19 are connected to each other through a transmission belt 20. When the drive motor 18 works, the drive motor 18 drives the pulleys 19 and the transmission belt 20 to drive the rotating shaft 12 to rotate, thereby facilitating the smooth rotation of the rotating shaft 12.
[0029] In one instance of this embodiment, please refer to Figure 5 A protective cover 21 is provided at the outer end of the transmission belt 20. The protective cover 21 is fixedly connected to the support base 1. The protective cover 21 can protect the rotating transmission belt 20, thereby ensuring the safe operation of the fan.
[0030] In one instance of this embodiment, please refer to Figure 5 The dust removal assembly includes a dust removal pipe 26 that is connected to the dust storage cylinder 25. A control valve 27 is installed on the dust removal pipe 26. By opening the control valve 27, the dust removal pipe 26 can easily discharge and clean the stored dust, thereby facilitating the discharge of the dust filtered inside the air inlet duct 22.
[0031] In the implementation of this utility model, the drive motor 18 works, and the drive motor 18 drives the rotating shaft 12 to rotate through the pulley 19 and the transmission belt 20. The rotating shaft 12 drives the ventilation fan blades 16 to rotate for ventilation through the mounting sleeve 15. During the ventilation process, the ventilation fan is filtered through the first filter plate 23 and the second filter plate 24. The filtered dust is stored inside the dust storage cylinder 25, thereby improving the filtration and dust removal efficiency of the ventilation fan and making it convenient to use.
[0032] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A ventilation fan with filtration and dust removal effect, comprising a supporting base frame (1), characterized in that, The support base (1) has installation components at the four corners of its bottom to facilitate leveling and installation of the entire device; The left end of the support base (1) is fixedly provided with a fan ventilation cavity (6), and the right end of the fan ventilation cavity (6) is connected to a connecting cylinder (11). The bottom of the connecting cylinder (11) is connected to the support base (1) through the mounting frame (10). The connecting cylinder (11) and the fan ventilation cavity (6) are rotatably installed with a rotating shaft (12). The rotating shaft (12) located inside the fan ventilation cavity (6) is connected to the fan blade (16) through the mounting sleeve (15). The rotating shaft (12) located inside the connecting cylinder (11) is rotatably connected through several sets of limiting components. The support base (1) is equipped with a rotation drive assembly for driving the rotating shaft (12) to rotate. The fan ventilation cavity (6) is connected to the air inlet duct (22) at the left end. The air inlet duct (22) is provided with a first filter plate (23) at the outer end. The air inlet duct (22) is also provided with a second filter plate (24). A dust storage cylinder (25) is installed on the air inlet duct (22) at the bottom of the second filter plate (24). A dust discharge assembly is provided at the bottom of the dust storage cylinder (25).
2. A ventilation fan with filtration and dust removal effect according to claim 1, characterized in that, The mounting assembly includes a leveling screw (2) fixedly connected to the bottom of the support base (1), a limit block (3) is provided at the bottom of the leveling screw (2), a support platform (4) is threaded onto the leveling screw (2), and a mounting hole (5) is provided at the bottom of the support platform (4).
3. A ventilation fan with filtration and dust removal effect according to claim 1, characterized in that, The front end of the fan ventilation cavity (6) is provided with a maintenance component for inspecting and repairing the fan ventilation cavity (6).
4. A ventilation fan with filtration and dust removal effect according to claim 3, characterized in that, The maintenance assembly includes a maintenance port (7) connected to the front end of the fan ventilation cavity (6), and a sealing cover (8) is installed on the maintenance port (7), with a handle (9) on the sealing cover (8).
5. A ventilation fan with filtration and dust removal effect according to claim 1, characterized in that, The limiting component includes several limiting grooves (14) that are fixedly connected to the inner wall of the connecting cylinder (11). A limiting disk (13) is rotatably installed inside the limiting groove (14), and the limiting disk (13) is connected to the rotating shaft (12).
6. A ventilation fan with filtration and dust removal effect according to claim 1, characterized in that, The rotation drive assembly includes a pair of motor mounting seats (17) fixedly connected to the support base (1). A drive motor (18) is provided on the top of the motor mounting seat (17). The motor shaft and the end of the rotation shaft (12) of the drive motor (18) are both provided with pulleys (19). The pulleys (19) are connected to each other by a transmission belt (20).
7. A ventilation fan with filtration and dust removal effect according to claim 6, characterized in that, The outer end of the transmission belt (20) is provided with a protective cover (21), and the protective cover (21) is fixedly connected to the support base (1).
8. A ventilation fan with filtration and dust removal effect according to claim 1, characterized in that, The dust removal assembly includes a dust removal pipe (26) that is connected in communication with a dust storage cylinder (25), and a control valve (27) is installed on the dust removal pipe (26).