CN217235961U - A filter cleaning device for a ductless fresh fan - Google Patents

Abstract

A filter cleaning device for a ductless fresh air fan, comprising: a filter box, a support frame is fixedly installed inside the filter box, a fan is installed on the surface of the support frame, a filter screen is arranged on one side of the fan, and the filter screen is fixedly installed with the filter box. The inner wall and both sides of the inner wall of the filter box are provided with threaded rods, the surfaces of the two threaded rods are threadedly connected with the same cleaning block, the bottom of the filter box is provided with a through groove, and the interior of the through groove is provided with two limit plates. The utility model has the following advantages: the second gear of the rotating shaft is driven by the motor to rotate, thereby driving the first gears at both ends of the crawler to rotate; the rotation of the first gear drives the connected threaded rod to rotate; the cleaning block connected by the two threaded rods Moving up and down, the brush plate set on the side of the cleaning block cleans the surface of the filter screen, and cleans the dust particles on the surface of the filter screen to the inside of the collection box.

Description

A filter cleaning device for a ductless fresh fan

technical field

The utility relates to the technical field of a ductless fresh air blower, in particular to a filtering and cleaning device for a ductless fresh air blower.

Background technique

As people pay more and more attention to air quality, ductless fresh air fan purification products have gradually become an urgent need for large families. The fresh air fan purifies the outdoor air into the room, and at the same time, the breathing treasure discharges the indoor dirty air, effectively removes formaldehyde and removes PM2.5 , remove ozone, effectively purify indoor air.

When the ductless fresh air fan is working, the dust, PM2.5 and other impurities in the outdoor air are first purified by the filter mechanism and then sent into the room. After the fresh air fan runs for a long time, the filter inside the fresh air fan will accumulate a lot of dust and fine particles. It needs people to clean up in time. The existing filters are usually connected by bolts and nuts. When disassembling and assembling, special tools are required for disassembly and cleaning. At the same time, the new fan contains multi-layer filters, and the bolts need to be disassembled several times during cleaning. Nuts cause great inconvenience to people.

Utility model content

The technical problem to be solved by the utility model is that when the ductless fresh fan is working, the dust, PM2.5 and other impurities in the outdoor air are first purified by the filter mechanism and then sent into the room. After the fresh fan runs for a long time, the filter inside the fresh fan The net accumulates a lot of dust, fine particles, etc., and needs to be cleaned in time. The existing filter is usually connected by bolts and nuts, and special tools are required for disassembly and cleaning. It is very inconvenient to remove the bolts and nuts many times during cleaning. Now, a filter cleaning device for a ductless fresh air fan is provided. The second gear of the rotating shaft is driven by the motor to rotate, thereby driving the second gear at both ends of the crawler. A gear rotates, the rotation of the first gear drives the connected threaded rod to rotate, the cleaning block connected by the two threaded rods moves up and down, and the brush plate arranged on one side of the cleaning block cleans the surface of the filter screen, and cleans the surface of the filter screen. Dust particles are cleaned to the inside of the collection box.

The technical solution adopted by the utility model to solve the technical problem is as follows: the utility model is a filtration and cleaning device for a ductless fresh fan, comprising: a filter box, a support frame is fixedly installed inside the filter box, and a surface of the support frame is installed There is a fan, one side of the fan is provided with a filter screen, the filter screen is fixedly installed on the inner wall of the filter box, both sides of the inner wall of the filter box are provided with threaded rods, and the surfaces of the two threaded rods are threadedly connected There is the same cleaning block, the bottom of the filter box is provided with a through groove, and the interior of the through groove is provided with two limit plates.

As a preferred technical solution of the present invention, the top of the filter box is provided with a drive cavity, one end of the two threaded rods is rotatably connected to the inner wall of the drive cavity, and the other end of the threaded rod is rotatably connected to the inner wall of the filter box The inside of the drive cavity is provided with two first gears, the two first gears are respectively fixedly connected to the top of the threaded rod, and the surfaces of the two first gears are meshed and connected with the same crawler, and the two first gears are driven by the crawler. The first gear rotates, so that the rotation of the two first gears drives the connected threaded rod to rotate, the cleaning block connected with the two threaded rods moves up and down, and the brush plate arranged on one side of the cleaning block cleans the surface of the filter screen.

As a preferred technical solution of the present invention, a rotating shaft is rotatably connected to the inside of the drive cavity, a second gear is fixedly connected to the surface of the rotating shaft, and the surface of the second gear is meshed with the crawler, and the filter A motor is fixedly installed on the top of the box, and the output end of the motor is fixedly connected to one end of the rotating shaft. The motor drives the rotating shaft to rotate, the rotating shaft rotates and drives the second gear on the surface to rotate, and the second gear rotates to drive the crawler to rotate.

As a preferred technical solution of the present invention, a moving cavity is evenly opened inside the cleaning block, a first spring is connected to the inside of the moving cavity, and one end of the first spring is fixedly connected with a guide rod, One end of the guide rod extends through the moving cavity to the outside, and the penetrating end of the guide rod is fixedly connected with a brush plate. The first spring provided on one side of the brush plate is used to adjust the elastic force of the first spring to change the brush. The position of the plate, and then the brush plate can clean the unevenness on the surface of the filter screen.

As a preferred technical solution of the present invention, a fixed shaft is fixedly connected to the inner two sides of the through groove, a torsion spring is fixedly connected to the surface of the fixed shaft, and both ends of the torsion spring are fixedly connected to the inner wall of the filter box respectively. and the surface of the limit plate, the top of the two limit plates is provided with a collection box, the collection box is located on the top of the filter screen, and the collection box is taken out from the interior of the through groove by adjusting the angle of the limit plate for cleaning, And the torsion spring resets the limit plate.

The utility model has the following advantages: the second gear of the rotating shaft is driven by the motor to rotate, thereby driving the first gear at both ends of the crawler to rotate, the rotation of the first gear drives the connected threaded rod to rotate, and the cleaning block connected by the two threaded rods rotates. Move up and down, the brush plate set on the side of the cleaning block cleans the surface of the filter screen, and the dust particles on the surface of the filter screen are cleaned to the inside of the collection box, and the first spring set on the side of the brush plate, through the first spring The elastic adjustment changes the position of the brush plate, and then the brush plate can clean the unevenness on the surface of the filter screen, and the collection box can be taken out from the inside of the through groove by adjusting the angle of the limit plate for cleaning.

Description of drawings

1 is a schematic diagram of the overall structure of a filter cleaning device for a ductless fresh fan according to a preferred embodiment of the present invention;

Fig. 2 is the enlarged schematic diagram of the filter cleaning device of Fig. 1 of a kind of ductless fresh air blower according to a preferred embodiment of the present utility model;

3 is a schematic side view of a filter box and a limit plate of a filter cleaning device for a ductless fresh fan according to a preferred embodiment of the present invention;

4 is a perspective view of a cleaning block of a filter cleaning device for a ductless fresh air fan according to a preferred embodiment of the present invention.

Description of reference numerals: 1, filter box; 2, support frame; 3, fan; 4, filter screen; 5, threaded rod; 6, cleaning block; 7, through groove; 8, limit plate; 9, drive cavity; 10. First gear; 11. Track; 12. Rotating shaft; 13. Second gear; 14. Collection box; 15. Motor; 16. Moving cavity; 17. First spring; 18. Guide rod; 19. Brush plate; 20, fixed shaft; 21, torsion spring.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation on the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The utility model will be further described below in conjunction with the accompanying drawings.

Please refer to Figures 1-4 in conjunction with the utility model, a filter cleaning device for a ductless fresh air fan, comprising: a filter box 1, a support frame 2 is fixedly installed inside the filter box 1, and a fan 3 is installed on the surface of the support frame 2, One side of the fan 3 is provided with a filter screen 4, the filter screen 4 is fixedly installed on the inner wall of the filter box 1, both sides of the inner wall of the filter box 1 are provided with threaded rods 5, and the surfaces of the two threaded rods 5 are threadedly connected with the same cleaning device. Block 6, the bottom of the filter box 1 is provided with a through groove 7, and two limit plates 8 are arranged inside the through groove 7. The second gear 13 of the rotating shaft 12 is driven by the motor 15 to rotate, thereby driving the second gear 13 at both ends of the crawler belt 11. A gear 10 rotates, the rotation of the first gear 10 drives the connected threaded rod 5 to rotate, the cleaning block 6 connected with the two threaded rods 5 moves up and down, and the brush plate 19 provided on one side of the cleaning block 6 cleans the surface of the filter screen 4 Cleaning is performed, and the dust particles on the surface of the filter screen 4 are cleaned to the inside of the collection box 14 .

The drive cavity 9 is opened on the top of the filter box 1, the inner wall of the drive cavity 9 is rotatably connected to one end of the two threaded rods 5, the inner wall of the filter box 1 is rotatably connected to the other end of the threaded rod 5, and the two first gears 10 are provided with the drive cavity Inside 9, the top of the threaded rod 5 is fixedly connected to the first gear 10, the crawler belt 11 is meshed and connected to the two first gears 10, and the two first gears 10 are driven to rotate by the crawler belt 11, so that the two first gears 10 rotate and drive the connection. The threaded rod 5 rotates, the cleaning block 6 connected by the two threaded rods 5 moves up and down, the brush plate 19 provided on one side of the cleaning block 6 cleans the surface of the filter screen 4, and the rotating shaft 12 rotates to connect the interior of the drive cavity 9 , the second gear 13 is fixedly connected to the surface of the rotating shaft 12, the crawler 11 is engaged with the surface of the second gear 13, the motor 15 is fixedly installed on the top of the filter box 1, and one end of the rotating shaft 12 is fixedly connected to the output end of the motor 15, through the motor 15 The rotating shaft 12 is driven to rotate, the rotating shaft 12 rotates and drives the surface second gear 13 to rotate, and the second gear 13 rotates to drive the crawler 11 to rotate.

The moving cavity 16 is opened inside the cleaning block 6 , the first spring 17 is fixed inside the moving cavity 16 , the guide rod 18 is fixedly connected to one end of the first spring 17 , and one end of the guide rod 18 extends through the moving cavity 16 to the outside. The brush plate 19 is fixedly connected to the through end of the guide rod 18, and the position of the brush plate 19 is adjusted by the elastic force of the first spring 17 provided on one side of the brush plate 19 to change the position of the brush plate 19. 4. The unevenness of the surface can be cleaned. The fixed shaft 20 is fixedly connected to both sides of the through groove 7. The torsion spring 21 is fixed to the surface of the connecting shaft. The top of the two limit plates 8 is provided with a collection box 14. The collection box 14 is located on the top of the filter screen 4. By adjusting the angle of the limit plate 8, the collection box 14 is taken out from the interior of the through groove 7 for cleaning, and twisted. The spring 21 restores the limiting plate 8 .

Working principle: The motor 15 drives the rotating shaft 12 to rotate, the rotating shaft 12 rotates to drive the second gear 13 on the surface to rotate, the second gear 13 rotates to drive the crawler 11 to rotate, so that the two first gears 10 rotate to drive the connected threaded rod. 5 is rotated, the cleaning block 6 connected by the two threaded rods 5 moves up and down, the brush plate 19 provided on one side of the cleaning block 6 cleans the surface of the filter screen 4, and cleans the dust particles on the surface of the filter screen 4 to the collection box 14 At the same time, the first spring 17 provided on one side of the brush plate 19 can change the position of the brush plate 19 by adjusting the elastic force of the first spring 17, and then the brush plate 19 can clean the unevenness on the surface of the filter screen 4. At the same time, after the collection box 14 collects dust and impurities, one can rotate the limiting plate 8 and adjust the angle of the limiting plate 8 to take out the collection box 14 from the inside of the through groove 7 for cleaning.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications can be made without departing from the principles of the present utility model. These improvements and modifications should also be It is regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, so they will not be repeated here.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various embodiments of the present utility model Scope of technical solutions.

Claims (5)

1. A filter cleaning device for a ductless fresh air blower, characterized in that it comprises: a filter box (1), a support frame (2) is fixedly installed in the interior of the filter box (1), and the support frame (2) A fan (3) is installed on the surface of the fan (3), a filter screen (4) is provided on one side of the fan (3), and the filter screen (4) is fixedly installed on the inner wall of the filter box (1), and the filter box (1) Both sides of the inner wall of the filter box (1) are provided with threaded rods (5), the surfaces of the two threaded rods (5) are threadedly connected with the same cleaning block (6), and the bottom of the filter box (1) is provided with a through groove ( 7), two limit plates (8) are arranged inside the through groove (7). 2. The filter cleaning device for a ductless fresh air fan according to claim 1, characterized in that, a drive cavity (9) is provided on the top of the filter box (1), and the two threaded rods (5) One end is rotatably connected to the inner wall of the drive cavity (9), and the other end of the threaded rod (5) is rotatably connected to the inner wall of the filter box (1). The inside of the drive cavity (9) is provided with two first gears (10). ), the two first gears (10) are respectively fixedly connected to the tops of the threaded rods (5), and the surfaces of the two first gears (10) are meshed and connected with the same track (11). 3. The filter cleaning device of a ductless fresh air blower according to claim 2, characterized in that, a rotating shaft (12) is rotatably connected to the inside of the drive cavity (9), and the A second gear (13) is fixedly connected on the surface, the surface of the second gear (13) is engaged with the crawler (11), and a motor (15) is fixedly installed on the top of the filter box (1). The motor (15) ) is fixedly connected to one end of the rotating shaft (12). 4. The filter cleaning device for a ductless fresh air fan according to claim 1, wherein a moving cavity (16) is evenly opened inside the cleaning block (6), and the moving cavity (16) is provided with a moving cavity (16). A first spring (17) is connected inside, one end of the first spring (17) is fixedly connected with a guide rod (18), and one end of the guide rod (18) extends through the moving cavity (16) to the outside, A brush plate (19) is fixedly connected to the through end of the guide rod (18). 5. The filter cleaning device of a ductless fresh air fan according to claim 1, characterized in that, a fixed shaft (20) is fixedly connected to the inner two sides of the through groove (7), and the fixed shaft (20) ) is fixedly connected to the surface of the torsion spring (21), and the two ends of the torsion spring (21) are respectively fixedly connected to the inner wall of the filter box (1) and the surface of the limit plate (8), the two limit plates (8). ) is provided with a collection box (14) on top of the filter screen (4).

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