Ash brushing device, dust collector and method

Abstract

The invention discloses a dusting device, a dust collector and a method. The dusting device comprises an annular dusting main body with a dusting inner cavity, a plurality of extension arms which extend from one end of the dusting main body and are arranged at intervals in the circumferential direction, and a connecting arm of which one end is located on the inner side of the dusting main body and the other end is located on the outer side of the dusting main body, wherein the connecting arm can be operated by a user; a plurality of protruding blocks which are arranged towards the center of the dust removing inner cavity are formed on the inner wall of the dust removing body or the inner wall of the extending arm. The dedusting device has the advantages that the dedusting device is used for dedusting the cylindrical filter part, dust blockage is reduced, the filtering performance is improved, the working reliability is high, and use is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of household cleaning, in particular to a dusting device, a vacuum cleaner and a method. BACKGROUND

[0002] The vacuum cleaner is a common cleaning device in domestic households, which generates suction force through vacuum negative pressure to suck dust accumulated on the ground or other object surfaces into its dust cylinder. In order to filter the dust, multiple filtering is performed through cyclone separation, mesh cover assembly, and cylindrical filter element located in the mesh cover assembly, and similar technologies can be referred to Chinese utility model patent CN222444002U. However, it is difficult to perform dusting on the cylindrical filter element in the prior art, which leads to the fact that the cylindrical filter element is easily clogged with dust after being used for a period of time, reduces the filtering performance, and in severe cases requires the user to manually disassemble and clean, causing inconvenience and poor work reliability. SUMMARY

[0003] In order to solve the above technical problems, the purpose of the present application is to provide a dusting device, a vacuum cleaner and a method for dusting the cylindrical filter element, reducing dust clogging, improving filtering performance, and being high in work reliability and convenient to use.

[0004] To achieve the purpose of the present application, the first technical solution provided by the present application is a dusting device, which comprises a dusting main body in the form of a ring and having a dusting inner cavity, a plurality of extension arms extending from one end of the dusting main body and arranged in a circumferential direction, and a connecting arm having one end located on the inner side of the dusting main body and the other end located on the outer side of the dusting main body and being operable by a user; wherein the inner wall of the dusting main body or the extension arm is formed with a plurality of protrusions arranged in the direction of the center of the dusting inner cavity, so as to dust the cylindrical filter element.

[0005] On the basis of the above technical solution, the following subsidiary technical solutions are further included: The inner wall of the dusting main body is formed with a plurality of first protrusions arranged in a circumferential direction, and the inner wall of each extension arm is formed with a second protrusion, so as to realize dusting of the cylindrical filter element by the first protrusions and the second protrusions together.

[0006] The second protrusion and the corresponding first protrusion are spaced apart in the axial direction of the dusting inner cavity, so as to perform corresponding dusting on both ends of the cylindrical filter element.

[0007] The first and second protrusions are in interference fit with the outer surface of the cylindrical filter during movement to perform elastic dusting in the circumferential direction.

[0008] The first and second protrusions are in interference fit with the outer surface of the cylindrical filter during movement to perform elastic dusting in the circumferential direction.

[0009] The second technical solution provided by the application is a dust collector, which comprises a dust collector body, a dust cylinder detachably connected to the dust collector body, a dust suction motor located in the dust collector body, a mesh cover assembly located in the dust cylinder, a cylindrical filter located in the mesh cover assembly and downstream of the mesh cover assembly and upstream of the dust suction motor, and a dusting device for dusting the outer surface of the cylindrical filter, wherein the dusting device comprises a dusting main body in the shape of a ring and having a dusting inner cavity, and a connecting arm located on the inner side of the dusting main body at one end and on the outer side of the dusting main body at the other end and being operable by a user; wherein the inner wall of the dusting main body is formed with a plurality of protrusions located towards the center of the dusting inner cavity; wherein the cylindrical filter is located in the dusting inner cavity and comprises a plurality of filter pieces in circumferential fold intervals, and the protrusions are in interference fit with the filter pieces during movement.

[0010] The dust suction motor is located above the cylindrical filter and the dusting device, wherein the dust collector body comprises a motor body accommodating the dust suction motor, an air inlet pipe body located at the bottom of the motor body and having an air inlet pipe, and a handle body located at one side of the motor body, wherein the air inlet pipe is located at the other side of the motor body; wherein the air inlet direction of the air inlet pipe is perpendicular to the central axis direction of the dust suction motor to simplify the air flow channel and reduce air flow loss.

[0011] The air inlet pipe body further comprises an air inlet body cavity accommodating the cylindrical filter and the dusting device, an annular groove arranged around the air inlet body cavity, and a sliding hole located at one side of the annular groove and in communication with the annular groove and allowing the connecting arm to pass through; wherein the motor body has an air inlet grid inserted into the cylindrical filter to reduce the height dimension occupied by the motor body and facilitate miniaturization.

[0012] The air inlet pipe body further comprises a buckle rib located in the air inlet pipe body cavity and locked with the mesh cover assembly, the cylindrical filter element comprises a pleated main body with a filter inner cavity arranged in a circumferential interval, a pair of flexible bodies correspondingly covered on both ends of the pleated main body, an end plate located at one end of the pleated main body and abutting against the corresponding flexible body, a support connected with the center of the end plate and supported by the mesh cover assembly, and a sealing ring located at the other end of the pleated main body and abutting against the corresponding flexible body and sealingly matched with the air inlet grid, so as to ensure reliable operation of the cylindrical filter element and the dusting device. The third technical solution provided by the application is a method, comprising the following steps: S100: providing a dust collector, comprising a dust collector body, a dust cylinder detachably connected with the dust collector body, a dust suction motor located in the dust collector body, a mesh cover assembly located in the dust cylinder, a cylindrical filter element located in the mesh cover assembly and downstream of the mesh cover assembly and upstream of the dust suction motor, and a dusting device for dusting the outer surface of the cylindrical filter element, wherein the dusting device comprises a dusting main body in the shape of a ring and having a dusting inner cavity, a plurality of extension arms extending from one end of the dusting main body and arranged in a circumferential interval, and a connecting arm having one end located on the inner side of the dusting main body and the other end located on the outer side of the dusting main body and being operable by a user; wherein the inner wall of the dusting main body or the extension arm is formed with a plurality of protrusions arranged towards the center of the dusting inner cavity; the cylindrical filter element comprises a plurality of filter pieces arranged in a circumferential interval; S200: starting the dust suction motor, and the dust-containing airflow is filtered by the mesh cover assembly, and part of the dust accumulates on the filter pieces of the cylindrical filter element; S300: one end of the connecting arm is pushed to rotate, the protrusions push the corresponding filter pieces to deform, and the filter pieces quickly recover after deformation, so that the dust accumulated on the filter pieces is patted out in the deformation process, and the patted-out dust moves downward and falls into the dust collection cavity; S400: the dust in the dust collection cavity is emptied to the end.

[0013] Compared with the prior art, the application has the following positive effects: the dusting device is used for dusting the cylindrical filter element, reducing dust blockage, improving filtering performance, and being high in working reliability and easy to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 It is a perspective view of the first embodiment of the application; Figure 2 This is another perspective view of the first embodiment of the present invention; Figure 3 This is a perspective view of the second embodiment of the present invention; Figure 4 This is a cross-sectional view of the second embodiment of the present invention; Figure 5 This is an exploded view of the second embodiment of the present invention; Figure 6 This is a perspective view of the air inlet duct body in the second embodiment of the present invention; Figure 7 This is another perspective view of the air inlet duct body in the second embodiment of the present invention; Figure 8 This is a perspective view of the cylindrical filter element in the second embodiment of the present invention; Figure 9 This is another perspective view of the cylindrical filter element in the second embodiment of the present invention; Figure 10 This is a perspective view of a partial structure in the second embodiment of the present invention, wherein the motor body has been removed. Detailed Implementation

[0016] In the description of this invention, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying it, 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, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0017] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0018] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0019] Example: Figures 1-2As shown, the present invention discloses a first embodiment of a dusting device, comprising a ring-shaped dusting body 5200 having a dusting cavity 5220, a plurality of extension arms 5240 extending from one end of the dusting body 5200 and spaced circumferentially, and a connecting arm 5400 having one end located inside the dusting body 5200 and the other end located outside the dusting body 5200 and operable by a user; wherein the inner wall of the dusting body 5200 or the extension arm 5240 is formed with a plurality of protrusions disposed toward the center of the dusting cavity 5220. The inner wall of the dusting body 5200 is formed with a plurality of first protrusions 5204, and the inner wall of the extension arm 5240 is formed with second protrusions 5244. The second protrusions 5244 and the corresponding first protrusions 5204 are spaced apart in the axial direction of the dusting cavity 5220. The cross-sectional area of ​​the extension arm 5240 decreases in the axial direction of the dusting cavity 5220. During the dust removal device's movement, the first and second protrusions 5204 and 5244 are interference-fitted with the outer surface of the cylindrical filter element.

[0020] like Figures 3-10 As shown, the present invention discloses a second embodiment of a vacuum cleaner, which can be placed on a horizontal surface. It includes a vacuum cleaner body, a dustbin 2000 detachably connected to the vacuum cleaner body, a vacuum motor 3000 located within the vacuum cleaner body, a mesh cover assembly 2400 located within the dustbin 2000, a cylindrical filter 4000 located within the mesh cover assembly 2400, downstream of the mesh cover assembly 2400, and upstream of the vacuum motor 3000, a dusting device 5000 for dusting the outer surface of the cylindrical filter 4000, a battery pack 6000 supplying power to the vacuum motor 3000, and a rear filter 7000 located outside and downstream of the vacuum motor 3000. The bottoms of the dustbin 2000 and the battery pack 6000 are coplanar for placement on the horizontal surface.

[0021] The dust collector body comprises a motor body 1200 for accommodating the dust collecting motor 3000, an air inlet pipe body 1400 with an air inlet pipe 1420 at the bottom of the motor body 1200, and a handle body 1600 at one side of the motor body 1200. The motor body 1200 has a motor accommodating chamber 1220 for accommodating the dust collecting motor 3000, and an air inlet grid 1240 inserted into the cylindrical filter 4000, wherein the air inlet grid 1240 comprises a plurality of grids circumferentially arranged and spaced apart, and a plurality of grid holes at the ends of the grids for allowing axial air inlet, so as to ensure air inlet in multiple directions. The air inlet pipe 1420 is located at the other side of the motor body 1200, and the air inlet direction of the air inlet pipe 1420 is perpendicular to the central axis direction of the dust collecting motor 3000, which comprises a wind guide channel 1422 located in the air inlet pipe 1420 and connected to the inside of the dust cylinder 2000 at one end, and an air inlet pipe inlet 1424 at the other end of the wind guide channel 1422. The air inlet pipe body 1400 further comprises an air inlet body cavity 1440 for accommodating the cylindrical filter 4000 and the dusting device 5000, an air inlet body inner wall 1442 arranged around the air inlet body cavity 1440, an annular groove 1460 arranged around the air inlet body inner wall 1442, and a sliding hole 1404 located at one side of the annular groove 1460 and connected to the annular groove 1460 and allowing the connecting arm 5400 to pass through. The air inlet pipe body 1400 further comprises a buckle rib 1444 located in the air inlet body cavity 1440 and locked with the mesh cover assembly 2400, and a side wall hole 1446 located on the air inlet body inner wall 1442 and arranged adjacent to the buckle rib 1444 and allowing the connecting arm 5400 to pass through.

[0022] The dust cylinder 2000 is generally cylindrical, made of transparent or translucent material, hollow inside and forming a dust cylinder cavity 2020 to generate cyclone separation. The dust cylinder 2000 further comprises a dust cylinder cover rotatably opening or shielding the bottom of the dust cylinder cavity 2020. The mesh cover assembly 2400 comprises a ring-shaped filter mesh 2420, an accommodating cavity 2440 for accommodating the cylindrical filter 4000 located in the filter mesh 2420, and a dust collecting cavity at the bottom of the accommodating cavity 2440. The filter mesh 2420 is preferably a metal mesh with a plurality of mesh holes for air flow filtration.

[0023] The dust collecting motor 3000 is located above the cylindrical filter 4000 and the dusting device 5000, and the central axis direction of the dust collecting motor 3000 is perpendicular to the horizontal plane. The dust collecting motor 3000 is preferably a direct current motor.

[0024] The cylindrical filter 4000 is preferably a Hepa in this embodiment, which comprises a pleated main body 4200 with a filter inner cavity 4204, an end plate 4400 at one end of the pleated main body 4200, a support 4600 connected with the center of the end plate 4400 and supported by the mesh cover assembly 2400, and a sealing ring 4800 at the other end of the pleated main body 4200 and sealingly matched with the air inlet grid 1240. The pleated main body 4200 comprises a plurality of filter pieces 4220 spaced in a circumferential direction, and a pair of flexible bodies 4240 correspondingly wrapped at both ends of the filter pieces 4220. The sealing ring 4800 has a sealing ring opening 4820 in the center to allow the air inlet grid 1240 to be inserted. The cylindrical filter 4000 adopts a pleated paper material, which is folded in a continuous wave peak manner in a direction perpendicular to the axial direction to obtain a larger dust capture collection surface.

[0025] The dusting device 5000 comprises a dusting main body 5200 in the shape of a ring and having a dusting inner cavity 5220, and a connecting arm 5400 located inside the dusting main body 5200 at one end and outside the dusting main body 5200 at the other end and operable by a user; wherein the inner wall of the dusting main body 5200 is formed with a plurality of protrusions arranged towards the center of the dusting inner cavity 5220; wherein the cylindrical filter 4000 is located in the dusting inner cavity 5220, wherein the protrusions are in interference fit with the filter pieces 4220 during movement, and in the interval grooves between adjacent two filter pieces 4220 when stationary. The protrusions comprise a plurality of first protrusions 5204 on the inner wall of the dusting main body 5200, and a plurality of second protrusions 5244 on the inner wall of the extension arm 5240, wherein the first protrusions 5204 are more rigid than the second protrusions 5244, and the second protrusions 5244 are more elastic than the first protrusions 5204. The connecting arm 5400 comprises a connecting arm fixed end 5404 at one end and located inside the dusting inner cavity 5220, and a knob 5440 sleeved on the other end and located outside the dusting main body 5200. The knob 5440 is pushed by the user's finger to cause the dusting main body 5200 to rotate, so that the first protrusions 5204 and the second protrusions 5244 push the corresponding filter pieces 4220 to deform, and then quickly recover after deformation, so that the dust accumulated on the filter pieces 4220 is patted out during deformation, and the patted-out dust moves downward and falls into the dust collection cavity.

[0026] On the basis of the above-mentioned embodiments, the present application provides a third embodiment of a method, which comprises the following steps: S100: first provide a dust collector, including a dust collector body, a dust cylinder 2000 detachably connected with the dust collector body, a dust collection motor 3000 located in the dust collector body, a mesh cover assembly 2400 located in the dust cylinder 2000, a cylindrical filter 4000 located in the mesh cover assembly 2400 and downstream of the mesh cover assembly 2400 and upstream of the dust collection motor 3000, and a dusting device 5000 for dusting the outer surface of the cylindrical filter 4000, wherein the dusting device 5000 comprises a dusting body 5200 in the form of a ring and having a dusting inner cavity 5220, a plurality of extension arms 5240 extending from one end of the dusting body 5200 and arranged in a circumferential interval, and a connecting arm 5400 having one end located inside the dusting body 5200 and the other end located outside the dusting body 5200 and being operable by a user; wherein the inner wall of the dusting body 5200 or the extension arm 5240 is formed with a plurality of protrusions arranged towards the center of the dusting inner cavity 5220; the cylindrical filter 4000 comprises a plurality of filter pieces 4220 arranged in a circumferential interval; S200: start the dust collection motor 3000, and the dust-containing airflow is filtered by the mesh cover assembly 2400, and part of the dust accumulates on the filter pieces 4220 of the cylindrical filter 4000; S300: one end of the connecting arm 5400 is pushed to rotate, the protrusions push the corresponding filter pieces 4220 to deform, and after deformation, the filter pieces 4220 quickly recover the deformation, so that the dust accumulated on the filter pieces 4220 is shaken out during the deformation, and the shaken-out dust moves downward and falls into the dust collection cavity; S400: the dust in the dust collection cavity is emptied to the end.

[0027] The present application has the advantages of: for dusting the cylindrical filter, reducing dust blockage, improving filtering performance, high work reliability, easy to use and clean.

[0028] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can make some modifications and improvements without departing from the inventive concept, which should be covered within the protection scope of the present application.

Claims

1. A duster for use with a cylindrical filter element, the duster comprising: It includes: The dusting main body (5200) or the inner wall of the extension arm (5240) is formed with a plurality of protrusions arranged towards the center of the dusting inner cavity (5220).

2. The duster of claim 1, wherein: The inner wall of the dusting main body (5200) is formed with a plurality of first protrusions (5204) arranged in a circumferential direction, and the inner wall of each extension arm (5240) is formed with a second protrusion (5244).

3. A duster according to claim 2, characterised in that: The second protrusion (5244) and the corresponding first protrusion (5204) are spaced in the axial direction of the dusting inner cavity (5220).

4. A duster according to claim 3, characterised in that: The cross-sectional area of the extension arm (5240) decreases in the axial direction of the dusting inner cavity (5220).

5. A duster according to claim 4, characterised in that: The first and second protrusions (5204, 5244) are in interference fit with the outer surface of the cylindrical filter during movement.

6. A dust collector, comprising a dust collector body, a dust cylinder (2000) detachably connected to the dust collector body, a dust collection motor (3000) located in the dust collector body, a mesh cover assembly (2400) located in the dust cylinder (2000), a cylindrical filter (4000) located in the mesh cover assembly (2400) and downstream of the mesh cover assembly (2400) and upstream of the dust collection motor (3000), and a dusting device (5000) for dusting the outer surface of the cylindrical filter (4000), wherein the dusting device (5000) includes a dusting main body (5200) in the shape of a ring and having a dusting inner cavity (5220), and a connecting arm (5400) having one end located on the inner side of the dusting main body (5200) and the other end located on the outer side of the dusting main body (5200) and being operable by a user; wherein the inner wall of the dusting main body (5200) is formed with a plurality of protrusions arranged towards the center of the dusting inner cavity (5220); wherein the cylindrical filter (4000) is located in the dusting inner cavity (5220) and includes a plurality of filter pieces (4220) arranged in a circumferential direction; and wherein the protrusions are in interference fit with the filter pieces (4220) during movement.

7. The dustsweeper of claim 6, wherein: The dust collection motor (3000) is located above the cylindrical filter (4000) and the dusting device (5000), wherein the dust collector body includes a motor body (1200) accommodating the dust collection motor (3000), an air inlet pipe body (1400) located at the bottom of the motor body (1200) and having an air inlet pipe (1420), and a handle body (1600) located on one side of the motor body (1200), wherein the air inlet pipe (1420) is located on the other side of the motor body (1200); wherein the air inlet direction of the air inlet pipe (1420) is perpendicular to the central axis direction of the dust collection motor (3000).

8. The dustsweeper of claim 7, wherein: The air inlet pipe body (1400) further comprises an air inlet body cavity (1440) accommodating the cylindrical filter (4000) and the dusting device (5000), an annular groove (1460) arranged around the air inlet body cavity (1440), and a sliding hole (1404) located at one side of the annular groove (1460) and connected with the annular groove (1460) and allowing the connecting arm (5400) to pass through; wherein the motor body (1200) has an air inlet grid (1240) inserted into the cylindrical filter (4000).

9. The dust cup according to claim 7, wherein: The air inlet pipe body (1400) further comprises a buckle rib (1444) located in the air inlet body cavity (1440) and buckled with the mesh cover assembly (2400), wherein the cylindrical filter (4000) comprises a pleated main body (4200) having a filter inner cavity (4204), a pair of flexible bodies (4240) respectively covering two ends of the pleated main body (4200), an end plate (4400) located at one end of the pleated main body (4200) and abutting against the corresponding flexible body (4240), a support (4600) connected with the center of the end plate (4400) and supported by the mesh cover assembly (2400), and a sealing ring (4800) located at the other end of the pleated main body (4200) and abutting against the corresponding flexible body (4240) and sealingly matched with the air inlet grid (1240).

10. A method characterized by It comprises the following steps: S100: first provide a dust collector, which comprises a dust collector body, a dust cylinder detachably connected with the dust collector body, a dust collection motor located in the dust collector body, a mesh cover assembly located in the dust cylinder, a cylindrical filter located in the mesh cover assembly and downstream of the mesh cover assembly and upstream of the dust collection motor, and a dusting device for dusting the outer surface of the cylindrical filter, wherein the dusting device comprises a dusting main body in the form of a ring and having a dusting inner cavity, a plurality of extension arms extending from one end of the dusting main body and arranged in a circumferential interval, and a connecting arm having one end located on the inner side of the dusting main body and the other end located on the outer side of the dusting main body and being operable by a user; wherein the inner wall of the dusting main body or the extension arm is formed with a plurality of protrusions arranged towards the center of the dusting inner cavity; the cylindrical filter comprises a plurality of filter pieces arranged in a circumferential pleat interval; S200: start the dust collection motor, and the dust-containing airflow is filtered by the mesh cover assembly, and part of the dust accumulates on the filter pieces of the cylindrical filter; S300: one end of the connecting arm is pushed to rotate, the protrusions push the corresponding filter pieces to deform, and after deformation, the filter pieces quickly recover from deformation, so that the dust accumulated on the filter pieces is shaken out during deformation, and the shaken-out dust moves downward and falls into the dust collection cavity; S400: the dust in the dust collection cavity is emptied to the end.

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