Axial flow fan with dust removal mechanism

Abstract

The utility model discloses an axial flow fan with a dust removal mechanism, and relates to the technical field of axial flow fans, the axial flow fan comprises a bearing base, a fan pipeline, an electromagnetic valve, a cleaning brush plate and a hydraulic rod, the fan pipeline is arranged above the bearing base, the electromagnetic valve and the cleaning brush plate are arranged above the fan pipeline, and the hydraulic rod is arranged on the bearing base. A bearing plate and a motor are arranged below the fan pipeline, a blade bearing frame is installed on the left side of the motor, a second connector is arranged on the right side of the blade bearing frame, a reversing frame, a hydraulic rod and a first connector are installed on the right side of the second connector, and fan blades and a fixing frame are installed on the right side of the first connector. The electromagnetic valve is fixedly connected to the center line position of the upper surface of the fan pipeline, the cleaning brush plate is driven by the electromagnetic valve to move, the automatic cleaning function of the equipment can be achieved, and the convenience and automation level of equipment cleaning are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of axial flow fans, in particular to an axial flow fan with a dust removal mechanism. Background Art

[0002] Axial flow fans are fans in which the airflow direction is in the same direction as the axis of the fan blades. They are usually used in situations where the flow rate requirement is high and the pressure requirement is low. However, existing axial flow fans have some shortcomings, such as:

[0003] An axial flow fan described in application number: CN92111076.6 does not have a cleaning mechanism. After long-term use, a large amount of dust will continue to adhere to the fan blades and the surface of the air duct, causing the air duct to narrow and the fan blades to thicken, greatly increasing the burden on the motor and significantly reducing the efficiency of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide an axial flow fan with a dust removal mechanism to solve the problem raised in the above background technology that the equipment on the existing market is not equipped with a cleaning mechanism. After long-term use, a large amount of dust will continue to adhere to the fan blades and the surface of the air duct, causing the air duct to become narrower and the fan blades to become thicker, which will greatly increase the burden on the motor and significantly reduce the efficiency of the equipment.

[0005] To achieve the above-mentioned object, the utility model provides the following technical solutions: an axial flow fan with a dust removal mechanism, comprising a bearing base, a fan duct, a solenoid valve, a cleaning brush plate and a hydraulic rod;

[0006] A fan duct is installed above the supporting base, and a solenoid valve and a cleaning brush plate are installed above the fan duct, a supporting plate and a motor are arranged below the fan duct, a blade supporting frame is installed on the left side of the motor, a second connector is arranged on the right side of the blade supporting frame, a reversing frame, a hydraulic rod and a first connector are installed on the right side of the second connector, and fan blades and a fixing frame are installed on the right side of the first connector.

[0007] As a preferred technical solution of the present invention, the top of the supporting base is fixedly connected to the fan duct, and the center line position of the upper surface of the fan duct is fixedly connected to the solenoid valve, and the right driving rod of the solenoid valve is fixedly connected to the cleaning brush plate;

[0008] By adopting the above technical solution, the device can realize the automatic cleaning function of the equipment by fixing the solenoid valve at the midline position of the upper surface of the fan pipe. The solenoid valve drives the cleaning brush plate to move, thereby improving the convenience and automation level of equipment cleaning.

[0009] As the preferred technical solution of the utility model, groove structures are provided on both sides of the upper side of the cleaning brush plate to be slidably connected to the fan duct, and a rectangular groove is provided under the cleaning brush plate, two rows of brushes are built into the groove position of the cleaning brush plate, and a long rod is provided on the right side of the cleaning brush plate to fit with the driving ring frame;

[0010] By adopting the above technical solution, the device can clean both sides of the fan blades at the same time by building two rows of brushes into the groove of the cleaning brush plate. A long rod is set on the right side of the cleaning brush plate to fit the drive ring frame, which can reduce the force and prevent the cleaning brush plate from deformation.

[0011] As a preferred technical solution of the present invention, the drive ring frame is sleeved on the outside of the motor output shaft, and the left output shaft of the motor is fixedly connected to the blade carrier, and a spring is sandwiched between the blade carrier and the drive ring frame;

[0012] By adopting the above technical solution, the device can automatically maintain the distance between the blade carrier and the drive ring frame by using the force of the spring to achieve a fixed angle of the fan blade.

[0013] As an optimal technical solution of the present invention, the outer ring of the driving ring frame is evenly equipped with eight oblique long rods, and a reversing rod is installed on the right side of the driving ring frame. Both ends of the reversing rod are spherical structures. The other end of the reversing rod is installed on the left side of the reversing frame. The reversing frame is fixedly connected to the fixed frame, and the fixed frame is symmetrically connected to the hydraulic rod. The other end of the hydraulic rod is installed on the inside of the second connecting head, and the second connecting head is rotatably connected to the first connecting head. The fan blades are fixed by bolts on the outside of the fixed frame. The second connecting head is fixedly connected to the blade carrier, and there are eight fan blades in total. The left side of the fixed frame is rotatably connected to the second connecting head.

[0014] By adopting the above technical solution, the device can increase the air output while reducing resonance between the fan blades by setting a total of eight fan blades. The spherical structures at both ends of the reversing rod can drive the fixed frame to adapt to changes driven by multiple directional offsets, prevent its breakage, and improve the strength and adaptability of the equipment. The variable-angle connecting rod structure can change the air output effect of the equipment and improve the energy consumption ratio of the equipment.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The device can realize automatic cleaning function by fixing a solenoid valve at the center line of the upper surface of the fan pipe and driving the cleaning brush plate to move through the solenoid valve, thereby improving the convenience and automation level of equipment cleaning;

[0017] 2. The device has two rows of brushes built into the groove of the cleaning brush plate, which can clean both sides of the fan blade at the same time. A long rod is set on the right side of the cleaning brush plate to fit the drive ring frame, which can reduce the force and prevent the cleaning brush plate from deformation.

[0018] 3. The device can automatically maintain the distance between the blade carrier and the drive ring frame by using the force of the spring to achieve a fixed angle of the fan blade;

[0019] 4. The device is equipped with a total of eight fan blades to increase the air output while ensuring that resonance between the fan blades is reduced. The spherical structures at both ends of the reversing rod can drive the fixed frame to adapt to changes driven by multiple directional offsets, prevent its breakage, and improve the strength and adaptability of the equipment. The variable-angle connecting rod structure can change the air output effect of the equipment and improve the energy consumption ratio of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a side view of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional side view of the structure of the utility model;

[0022] Figure 3 This is a side structural diagram of the blade carrier of the utility model;

[0023] Figure 4 This is a side view of the structure of the drive ring frame of the utility model;

[0024] Figure 5 This is a side structural diagram of the fixing frame of the utility model;

[0025] Figure 6 This is a schematic diagram of the connection structure between the second connector and the reversing rod of the utility model.

[0026] In the figure: 1. Support base; 2. Fan duct; 3. Solenoid valve; 4. Cleaning brush plate; 5. Support plate; 6. Motor; 7. Fan blade; 8. Fixed frame; 9. Reversing frame; 10. Blade supporting frame; 11. First connector; 12. Second connector; 13. Reversing rod; 14. Drive ring frame; 15. Spring; 16. Hydraulic rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-6 The technical solution of the utility model is as follows: an axial flow fan with a dust removal mechanism includes a bearing base 1, a fan duct 2, a solenoid valve 3, a cleaning brush plate 4, a bearing plate 5, a motor 6, a fan blade 7, a fixing frame 8, a reversing frame 9, a blade bearing frame 10, a first connector 11, a second connector 12, a reversing rod 13, a driving ring frame 14, a spring 15 and a hydraulic rod 16;

[0029] A fan duct 2 is installed above the supporting base 1, and a solenoid valve 3 and a cleaning brush plate 4 are installed above the fan duct 2. The fan duct 2 is fixedly connected to the top of the supporting base 1, and the solenoid valve 3 is fixedly connected to the center line of the upper surface of the fan duct 2. The driving rod on the right side of the solenoid valve 3 is fixedly connected to the cleaning brush plate 4. The device is fixedly connected to the solenoid valve 3 at the center line of the upper surface of the fan duct 2, and the cleaning brush plate 4 is driven by the solenoid valve 3 to move to realize the automatic cleaning function of the equipment, thereby improving the convenience and automation level of equipment cleaning. A supporting plate 5 and a motor 6 are provided below the fan duct 2. Grooved structures are provided on both sides above the cleaning brush plate 4 to be slidably connected to the fan duct 2, and a groove structure is provided below the cleaning brush plate 4. A rectangular groove is set, and two rows of brushes are built into the groove position of the cleaning brush plate 4. A long rod is set on the right side of the cleaning brush plate 4 to fit with the drive ring frame 14. The device can clean both sides of the fan blade 7 at the same time by building two rows of brushes into the groove position of the cleaning brush plate 4, and a long rod is set on the right side of the cleaning brush plate 4 to fit with the drive ring frame 14, which can reduce the force to prevent the cleaning brush plate 4 from deforming. A blade carrier 10 is installed on the left side of the motor 6, and the drive ring frame 14 is sleeved on the outside of the output shaft of the motor 6, and the output shaft on the left side of the motor 6 is fixedly connected to the blade carrier 10. A spring 15 is clamped between the blade carrier 10 and the drive ring frame 14. The device is clamped between the blade carrier 10 and the drive ring frame 14. The spring 15 utilizes the force of the spring 15 to automatically maintain the distance between the blade carrier 10 and the drive ring frame 14 to achieve a fixed angle of the fan blade 7. A second connector 12 is provided on the right side of the blade carrier 10. A reversing frame 9, a hydraulic rod 16 and a first connector 11 are installed on the right side of the second connector 12. The fan blade 7 and the fixed frame 8 are installed on the right side of the first connector 11. The outer ring of the drive ring frame 14 has eight evenly arranged oblique long rods, and the reversing rod 13 is set on the right side of the drive ring frame 14. Both ends of the reversing rod 13 are spherical structures. The other end of the reversing rod 13 is set on the left side of the reversing frame 9. The reversing frame 9 is fixedly connected to the fixed frame 8. The fixed frame 8 is symmetrically rotated and connected to the hydraulic rod 16. The other end of the pressure rod 16 is sleeved on the inner side of the second connecting head 12, the second connecting head 12 is rotatably connected to the first connecting head 11, the fan blades 7 are fixed by bolts on the outside of the fixing frame 8, the second connecting head 12 is fixedly connected to the blade carrier 10, and there are eight fan blades 7, and the left side of the fixing frame 8 is rotatably connected to the second connecting head 12. The device can increase the air output while ensuring that the resonance between the fan blades 7 is reduced by setting a total of eight fan blades 7. The reversing rod 13 has a spherical structure at both ends, which can drive the fixing frame 8 to adapt to changes driven by multiple azimuth offsets, prevent its breakage, and improve the strength and adaptability of the equipment. The variable-angle connecting rod structure can change the air outlet effect of the equipment and improve the energy consumption ratio of the equipment.

[0030] Working principle: When an axial flow fan with a dust removal mechanism needs to be cleaned, the solenoid valve 3 is first started. The solenoid valve 3 drives the cleaning brush plate 4 to move to the right through the connecting rod. At the same time, the cleaning brush plate 4 drives the driving ring frame 14 to move to the right and compresses the spring 15. When the driving ring frame 14 moves horizontally, it will simultaneously drive the reversing rod 13 to drive the reversing frame 9 and the fixed frame 8 to change the angle of the fan blade 7, so that the fan blade 7 turns to a vertical posture. At the same time, the motor 6 drives the blade carrier 10 to start running. During the rotation process, the fan blade 7 continuously contacts the brush on the inner wall of the cleaning brush plate 4, thereby achieving a cleaning effect.

[0031] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An axial flow fan with a dust removal mechanism, comprising a bearing base (1), a fan duct (2), a solenoid valve (3), a cleaning brush plate (4) and a hydraulic rod (16); Its characteristics are: A fan duct (2) is installed above the supporting base (1), and a solenoid valve (3) and a cleaning brush plate (4) are installed above the fan duct (2); a supporting plate (5) and a motor (6) are arranged below the fan duct (2); a blade supporting frame (10) is installed on the left side of the motor (6); a second connector (12) is arranged on the right side of the blade supporting frame (10); a reversing frame (9), a hydraulic rod (16) and a first connector (11) are installed on the right side of the second connector (12); and a fan blade (7) and a fixing frame (8) are installed on the right side of the first connector (11).

2. The axial flow fan with a dust removal mechanism according to claim 1, characterized in that: The upper portion of the supporting base (1) is fixedly connected to a fan duct (2), and the centerline position of the upper surface of the fan duct (2) is fixedly connected to a solenoid valve (3), and the right driving rod of the solenoid valve (3) is fixedly connected to the cleaning brush plate (4).

3. The axial flow fan with a dust removal mechanism according to claim 2, characterized in that: Grooved structures are provided on both sides of the upper side of the cleaning brush plate (4) and are slidably connected to the fan duct (2), and a rectangular groove is provided below the cleaning brush plate (4). Two rows of brushes are built into the groove positions of the cleaning brush plate (4), and a long rod is provided on the right side of the cleaning brush plate (4) to fit with the driving ring frame (14).

4. The axial flow fan with a dust removal mechanism according to claim 3, characterized in that: The driving ring frame (14) is sleeved on the outside of the output shaft of the motor (6), and the left output shaft of the motor (6) is fixedly connected to the blade carrier (10), and a spring (15) is sandwiched between the blade carrier (10) and the driving ring frame (14).

5. The axial flow fan with a dust removal mechanism according to claim 4, characterized in that: The outer ring of the driving ring frame (14) is evenly provided with eight oblique long rods, and a reversing rod (13) is sleeved on the right side of the driving ring frame (14), both ends of the reversing rod (13) are spherical structures, the other end of the reversing rod (13) is sleeved on the left side of the reversing frame (9), the reversing frame (9) is fixedly connected to the fixing frame (8), the fixing frame (8) is symmetrically connected to the hydraulic rod (16), the other end of the hydraulic rod (16) is sleeved on the inner side of the second connecting head (12), the second connecting head (12) is rotatably connected to the first connecting head (11), the outer side of the fixing frame (8) is bolted to fix the fan blade (7), the second connecting head (12) is fixedly connected to the blade bearing frame (10), and there are eight fan blades (7), and the left side of the fixing frame (8) is rotatably connected to the second connecting head (12).

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