Circulating air purifying device

Abstract

The utility model relates to the technical field of air purification, and discloses a circulating air purification device which comprises a mounting rack, a centrifugal air bellow is fixedly mounted on the side face of the mounting rack, centrifugal fan blades are rotatably mounted in the centrifugal air bellow, a first motor is fixedly mounted on the upper side of the mounting rack, and the first motor drives the centrifugal fan blades to rotate. A filter box is rotatably mounted at an air inlet of the centrifugal air box, an angle adjusting assembly is arranged between the centrifugal air box and the filter box, a second motor is fixedly mounted at the top end of the filter box, and a center shaft is rotatably mounted in the filter box. According to the circulating air purification device, the filter cartridge, the spiral blade and the cleaning brush are arranged in the filter box, a second motor drives the spiral blade and the cleaning brush to rotate, dust on the inner side surface and the outer side surface of the filter cartridge can be cleaned, the effect of automatically cleaning the filter cartridge is achieved, and the filter cartridge can be detached and drawn out from the air inlet hole of the filter box; the effect of convenient replacement is achieved, and later maintenance is more convenient.

Description

Technical Field

[0001] This utility model relates to the field of air purification technology, specifically a circulating air purification device. Background Technology

[0002] Air purifiers often suffer from dust clogging their air inlets, requiring regular cleaning or replacement of the filter. To facilitate maintenance, patent document CN207102163U discloses an air purifier. This air purifier includes: an air inlet; a filter unit for purifying the air entering through the air inlet; a bracket for housing the filter unit; and a frame for housing the bracket. The frame has an opening for the bracket to be inserted into, and the bracket is installed by inserting itself into the frame through the opening. At least one surface of the bracket has an inclined rib, and the frame has an inclined surface that complements the inclined rib. This air purifier ensures the filter unit is securely installed while allowing for smooth installation and removal, improving the convenience of filter unit maintenance and replacement.

[0003] In practical use, in order to extend the service life of the filter components, it is generally necessary to set an automatic cleaning mechanism on the surface of the filter components. However, the setting of the automatic cleaning mechanism makes it more inconvenient to disassemble and replace the filter components. Based on this, the existing air purification devices have the problem of inconvenient filter component replacement after the addition of the cleaning mechanism, which needs to be further improved. Utility Model Content

[0004] The purpose of this invention is to provide a circulating air purification device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a circulating air purification device, comprising a mounting frame, a centrifugal air box fixedly mounted on the side of the mounting frame, a centrifugal fan blade rotatably mounted inside the centrifugal air box, and a first motor fixedly mounted on the upper side of the mounting frame, the first motor driving the centrifugal fan blade to rotate.

[0006] A filter box is rotatably installed at the air inlet of the centrifugal air box. An angle adjustment assembly is provided between the centrifugal air box and the filter box. A second motor is fixedly installed at the top of the filter box. A central shaft is rotatably installed inside the filter box. The second motor drives the central shaft to rotate. Spiral blades and a rotating disk are fixedly installed on the surface of the central shaft. A cleaning brush is fixedly installed on the lower surface of the rotating disk. The air inlet of the filter box is located on the lower side, and a filter cylinder is inserted into the air inlet of the filter box. The filter cylinder is sleeved on the outside of the spiral blades. The cleaning brush contacts the outer surface of the filter cylinder. The bottom end of the filter cylinder is fixedly connected to the air inlet of the filter box by screws. The rotation of the spiral blades and the cleaning brush can clean the dust on the inner and outer surfaces of the filter cylinder.

[0007] In some embodiments, a drive shaft is rotatably mounted on the upper side of the mounting frame, one end of the drive shaft is fixedly connected to the centrifugal fan blade, and the other end of the drive shaft is fixedly mounted with a pulley. A first motor drives the drive shaft to rotate via belt drive.

[0008] In some embodiments, an air outlet window is provided on the front side of the centrifugal air box, and the angle adjustment assembly includes a worm gear ring and a worm. The worm gear ring is fixedly installed on the side of the filter box, and the worm is rotatably installed on the side of the centrifugal air box. The worm meshes with the worm gear ring for transmission. A handwheel is fixedly installed at the end of the worm. Rotating the handwheel at the end of the worm causes the filter box to rotate through the transmission between the worm and the worm gear ring, so that the air inlet of the filter box faces the direction of the pollution source.

[0009] In some implementations, there are multiple cleaning brushes, which are fixedly installed in a ring array on the lower side of the rotating disk, and the inner side of each cleaning brush is provided with bristles. An annular water pipe is fixedly installed inside the filter box, and multiple nozzles are fixedly installed on the surface of the annular water pipe. Cleaning liquid is sprayed onto the filter cartridge through the nozzles to rinse it.

[0010] In some implementations, the filter cartridge is open at both the top and bottom. The upper end of the filter cartridge is in rotatable contact with the lower surface of the rotating disk. The bottom end of the filter cartridge has several drain openings that communicate with the cavity formed by the outer surface of the filter cartridge and the inner wall of the filter box. A sealing film is attached to the top of the filter cartridge, covering each drain opening. The filter cartridge can be disassembled and pulled out from the air inlet of the filter box, making it easy to replace and more convenient for later maintenance.

[0011] Beneficial effects

[0012] This utility model provides a circulating air purification device, which has the following beneficial effects:

[0013] 1. This circulating air purification device, by setting a filter cartridge, spiral blades and cleaning brush inside the filter box, and the second motor driving the spiral blades and cleaning brush to rotate, can clean the dust on the inner and outer surfaces of the filter cartridge, achieving the effect of automatic cleaning of the filter cartridge. Moreover, the filter cartridge can be disassembled and pulled out from the air inlet of the filter box, achieving the effect of convenient replacement and making subsequent maintenance more convenient.

[0014] 2. This circulating air purification device, through the setting of an angle adjustment component, allows the filter box to be rotated to any angle by turning the handwheel at the end of the worm gear, facilitating the adjustment of the direction of air intake. When the air inlet of the filter box faces the front and rear directions, the filter box is in a horizontal state, making it easy to disassemble the filter cartridge. When the air inlet of the filter box faces downwards, the filter box is in a vertical state, facilitating the spraying of cleaning fluid through the nozzle to rinse the filter cartridge inside the filter box, and allowing wastewater to be discharged from the bottom opening of the filter cartridge. This meets the usage needs of different environments and greatly improves its practicality. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the orthographic section of the present invention;

[0017] Figure 3 This is a side sectional view of the present invention.

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the filter cartridge.

[0019] In the diagram: 1. Mounting frame, 2. Centrifugal air box, 3. Centrifugal fan blade, 4. First motor, 5. Filter box, 6. Second motor, 7. Central shaft, 8. Spiral blade, 9. Rotary disc, 10. Cleaning brush, 11. Filter cartridge, 12. Drive shaft, 13. Air outlet window, 14. Worm gear ring, 15. Worm, 16. Annular water pipe, 17. Nozzle, 18. Sewage outlet, 19. Sealing membrane. Detailed Implementation

[0020] 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.

[0021] Please see Figures 1-4 This utility model provides a technical solution: a circulating air purification device, including a mounting frame 1, a centrifugal air box 2 fixedly mounted on the side of the mounting frame 1, a centrifugal fan blade 3 rotatably mounted inside the centrifugal air box 2, and a first motor 4 fixedly mounted on the upper side of the mounting frame 1, the first motor 4 driving the centrifugal fan blade 3 to rotate.

[0022] Specifically, a drive shaft 12 is rotatably mounted on the upper side of the mounting frame 1. One end of the drive shaft 12 is fixedly connected to the centrifugal fan blade 3, and a pulley is fixedly mounted on the other end of the drive shaft 12. The first motor 4 drives the drive shaft 12 to rotate through belt drive.

[0023] The centrifugal air box 2 has an air outlet window 13 on its front side and an air inlet on its side. A filter box 5 is rotatably installed at the air inlet of the centrifugal air box 2. An angle adjustment component is provided between the centrifugal air box 2 and the filter box 5. A second motor 6 is fixedly installed at the top of the filter box 5. A central shaft 7 is rotatably installed inside the filter box 5. The second motor 6 drives the central shaft 7 to rotate. Spiral blades 8 and a rotating disk 9 are fixedly installed on the surface of the central shaft 7. A cleaning brush 10 is fixedly installed on the lower surface of the rotating disk 9. There are multiple cleaning brushes 10, which are fixedly installed in a ring array on the lower side of the rotating disk 9. The inner side of each cleaning brush 10 is provided with bristles.

[0024] The air inlet of the filter box 5 is located on the lower side, and a filter cylinder 11 is inserted into the air inlet of the filter box 5. The filter cylinder 11 is sleeved on the outside of the spiral blade 8. The cleaning brush 10 contacts the outer surface of the filter cylinder 11. The bottom end of the filter cylinder 11 is fixedly connected to the air inlet of the filter box 5 by screws. (Refer to...) Figure 2 .

[0025] The angle adjustment assembly includes a worm gear ring 14 and a worm 15. The worm gear ring 14 is fixedly installed on the side of the filter box 5, and the worm 15 is rotatably installed on the side of the centrifugal air box 2. The worm 15 meshes with the worm gear ring 14 for transmission. A handwheel is fixedly installed at the end of the worm 15. (Reference) Figure 3 .

[0026] An annular water pipe 16 is fixedly installed inside the filter box 5, and multiple nozzles 17 are fixedly installed on the surface of the annular water pipe 16.

[0027] refer to Figure 4 The filter cylinder 11 is open at the top and bottom. The upper end of the filter cylinder 11 is in rotatable contact with the lower surface of the rotating disk 9. Several sewage discharge openings 18 are provided at the bottom of the filter cylinder 11. The sewage discharge openings 18 are connected to the cavity formed by the outer surface of the filter cylinder 11 and the inner wall of the filter box 5. A sealing membrane 19 is pasted on the top of the filter cylinder 11, and the sealing membrane 19 covers each sewage discharge opening 18.

[0028] By setting up the angle adjustment component and rotating the handwheel at the end of the worm gear 15, the filter box 5 can be driven to rotate to any angle and held, such as... Figure 3 As shown by the dotted line, it is convenient to adjust the direction of air intake. When the air inlet of the filter box 5 faces the front and rear directions, the filter box 5 is in a horizontal state, which makes it easy to disassemble the filter cartridge 11. When the air inlet of the filter box 5 faces downward, the filter box 5 is in a vertical state, which makes it easy to spray cleaning liquid through the nozzle 17 to rinse the filter cartridge 11 inside the filter box 5 and let the wastewater be discharged from the lower opening of the filter cartridge 11, thus meeting the usage needs of different environments and greatly improving its practicality.

[0029] This circulating air purification device, by setting a filter cylinder 11, a spiral blade 8 and a cleaning brush 10 inside the filter box 5, and driving the spiral blade 8 and the cleaning brush 10 to rotate by the second motor 6, can clean the dust on the inner and outer surfaces of the filter cylinder 11, achieving the effect of automatically cleaning the filter cylinder 11. Moreover, the filter cylinder 11 can be disassembled and pulled out from the air inlet of the filter box 5, achieving the effect of convenient replacement and making subsequent maintenance more convenient.

[0030] Working principle: During use, the handwheel at the end of the worm gear 15 is turned, and through the transmission between the worm gear 15 and the worm wheel ring 14, the filter box 5 is driven to rotate, so that the air inlet of the filter box 5 faces the direction of the pollution source. The first motor 4 is started, which drives the centrifugal fan blade 3 to rotate. A negative pressure is formed inside the device, so that the air enters the filter cylinder 11 along the spiral path on the surface of the spiral blade 8. The air passes through the filter cylinder 11, the dust is filtered by the filter cylinder 11, and then the air is drawn into the centrifugal fan box 2 and finally discharged from the air outlet 13.

[0031] During routine maintenance, turn the filter box 5 to a vertical position, start the second motor 6, drive the rotating disk 9 to rotate, so that the spiral blades 8 scrape off the dust attached to the inside of the filter cylinder 11, and make the cleaning brush 10 move in a circular motion to clean the outer surface of the filter cylinder 11. At the same time, cleaning agent or clean water can be injected into the annular water pipe 16, and cleaning agent or clean water can be sprayed onto the surface of the filter cylinder 11 from the nozzle 17 for rinsing.

[0032] Before rinsing, tear off the sealing film 19 and let the sewage hole drain out from the sewage outlet 18. After rinsing, stick on a new sealing film 19.

[0033] When the filter cartridge 11 needs to be replaced, turn the filter box 5 to a horizontal position, remove the screws installed at the bottom of the filter cartridge 11, and the filter cartridge 11 can be pulled out through the air inlet of the filter box 5 for replacement.

[0034] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A circulating air purification device, comprising a mounting frame (1), characterized in that: A centrifugal fan box (2) is fixedly installed on the side of the mounting frame (1), and a centrifugal fan blade (3) is rotatably installed inside the centrifugal fan box (2). A first motor (4) is fixedly installed on the upper side of the mounting frame (1), and the first motor (4) drives the centrifugal fan blade (3) to rotate. A filter box (5) is rotatably installed at the air inlet of the centrifugal air box (2). An angle adjustment assembly is provided between the centrifugal air box (2) and the filter box (5). A second motor (6) is fixedly installed at the top of the filter box (5). A central shaft (7) is rotatably installed inside the filter box (5). The second motor (6) drives the central shaft (7) to rotate. Spiral blades (8) and a rotating disk (9) are fixedly installed on the surface of the central shaft (7). A cleaning brush (10) is fixedly installed on the lower surface of the rotating disk (9). The air inlet of the filter box (5) is located on the lower side. A filter cylinder (11) is inserted into the air inlet of the filter box (5). The filter cylinder (11) is sleeved on the outside of the spiral blades (8). The cleaning brush (10) contacts the outer surface of the filter cylinder (11). The bottom end of the filter cylinder (11) is fixedly connected to the air inlet of the filter box (5) by screws.

2. The circulating air purification device according to claim 1, characterized in that: A drive shaft (12) is rotatably mounted on the upper side of the mounting frame (1). One end of the drive shaft (12) is fixedly connected to the centrifugal fan blade (3), and a pulley is fixedly mounted on the other end of the drive shaft (12). The first motor (4) drives the drive shaft (12) to rotate through belt transmission.

3. The circulating air purification device according to claim 2, characterized in that: An air outlet window (13) is provided on the front side of the centrifugal fan (2).

4. The circulating air purification device according to claim 3, characterized in that: The angle adjustment assembly includes a worm gear ring (14) and a worm (15). The worm gear ring (14) is fixedly installed on the side of the filter box (5), and the worm (15) is rotatably installed on the side of the centrifugal air box (2). The worm (15) meshes with the worm gear ring (14) for transmission, and a handwheel is fixedly installed at the end of the worm (15).

5. The circulating air purification device according to claim 4, characterized in that: There are multiple cleaning brushes (10), which are fixedly installed in a ring array on the lower side of the rotating disk (9), and the inner side of each cleaning brush (10) is provided with bristles.

6. The circulating air purification device according to claim 5, characterized in that: The filter box (5) is fixedly installed with an annular water pipe (16), and multiple nozzles (17) are fixedly installed on the surface of the annular water pipe (16).

7. A circulating air purification device according to any one of claims 1-6, characterized in that: The filter cylinder (11) is open at the top and bottom. The upper end of the filter cylinder (11) is in rotatable contact with the lower surface of the rotating disk (9). The bottom end of the filter cylinder (11) is provided with several sewage discharge openings (18). The sewage discharge openings (18) are connected to the cavity formed by the outer surface of the filter cylinder (11) and the inner wall of the filter box (5).

8. The circulating air purification device according to claim 7, characterized in that: A sealing membrane (19) is attached to the top of the filter cylinder (11), and the sealing membrane (19) covers each sewage outlet (18).

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