CN120899129A - Dusting apparatus, vacuum cleaner and method - Google Patents

Abstract

This invention discloses a dusting device, vacuum cleaner, and method, comprising a ring-shaped dusting body with a dusting cavity, a plurality of extension arms extending from one end of the dusting body and spaced circumferentially, and a connecting arm with one end located inside the dusting body and the other end located outside the dusting body and operable by a user; wherein the inner wall of the dusting body or the extension arms is formed with a plurality of protrusions facing the center of the dusting cavity. Advantages of this invention: It is used for dusting cylindrical filter elements, reducing dust clogging, improving filtration performance, offering high reliability, and being easy to use.

Description

Ash duster, dust collector and method

Technical Field

The invention relates to the field of household cleaning, in particular to a dust removing device, a dust collector and a dust removing method.

Background

The vacuum cleaner is a cleaning apparatus which is commonly used in domestic households and generates suction by means of vacuum negative pressure to suck dust accumulated on the surface of the floor or other objects into its dust canister. For the purpose of filtering dust, multiple filtration is performed by cyclone separation, screen assembly, and cylindrical filter member located in the screen assembly, and the like, and a similar technique is referred to in chinese patent No. CN222444002U. However, in the prior art, ash is difficult to be brushed on the cylindrical filter element, so that the cylindrical filter element is easy to be blocked by dust after being used for a period of time, the filtering performance is reduced, and when serious, a user is required to manually detach and clean the cylindrical filter element, so that the cylindrical filter element is inconvenient to use and has poor working reliability.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide an ash duster, a dust collector and a method, which are used for dusting a cylindrical filter element, reducing dust blockage, improving filtering performance, and being high in working reliability and convenient to use.

In order to achieve the purpose, the first technical scheme is that the ash brushing device comprises an annular ash brushing main body with an ash brushing inner cavity, a plurality of extension arms extending from one end of the ash brushing main body and arranged at intervals in the circumferential direction, and a connecting arm with one end located on the inner side of the ash brushing main body and the other end located on the outer side of the ash brushing main body and capable of being operated by a user, wherein a plurality of protruding blocks which are arranged towards the center of the ash brushing inner cavity are formed on the inner wall of the ash brushing main body or the extension arms so as to brush ash on a cylindrical filter piece.

On the basis of the technical scheme, the method further comprises the following auxiliary technical scheme:

The inner wall of the ash-dusting main body is provided with a plurality of first protruding blocks which are circumferentially arranged at intervals, and the inner wall of each extension arm is provided with a second protruding block, so that the first protruding blocks and the second protruding blocks can be used for dusting the cylindrical filter element together.

The second protruding blocks and the corresponding first protruding blocks are spaced in the axial direction of the ash-dusting inner cavity so as to correspondingly dust two ends of the cylindrical filter element.

The cross section area of each extension arm in the axial direction of the ash-dusting inner cavity is reduced, wherein a first lug is arranged adjacent to the large end of the extension arm, a second lug is arranged at the small end of the extension arm, the first lug and the second lug are identical in size and shape, the length of the first lug in the axial direction of the ash-dusting inner cavity is larger than that of the first lug in the circumferential direction of the ash-dusting inner cavity so as to be matched with the circumferential folds of the cylindrical filter piece at intervals, and the first lug and the second lug are respectively arranged at two ends of the corresponding circumferential fold intervals.

The first lug and the second lug are in interference fit with the outer surface of the cylindrical filter element in the moving process so as to perform elastic dust brushing in the circumferential direction.

The second technical scheme is that the dust collector comprises a dust collector body, a dust barrel detachably connected with the dust collector body, a dust collection motor positioned in the dust collector body, a net cover assembly positioned in the dust barrel, a cylindrical filter piece positioned in the net cover assembly and positioned at the downstream of the net cover assembly and positioned at the upstream of the dust collection motor, and a dust removing device for removing dust from the outer surface of the cylindrical filter piece, wherein the dust removing device comprises a dust removing main body which is annular and provided with a dust removing inner cavity, and a connecting arm of which one end is positioned at the inner side of the dust removing main body and the other end is positioned at the outer side of the dust removing main body and 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 main body, the cylindrical filter piece is positioned in the dust removing inner cavity and comprises a plurality of filter pieces which are circumferentially provided with a plurality of folds at intervals, and the protruding blocks are in interference fit with the filter pieces in the moving process.

The dust collection motor is arranged above the cylindrical filter and the dust collection device, the dust collector body comprises a motor body for accommodating the dust collection motor, an air inlet pipe body which is arranged at the bottom of the motor body and provided with an air inlet pipe, and a handle body which is arranged at one side of the motor body, wherein the air inlet pipe is arranged at the other side of the motor body, and the air inlet direction of the air inlet pipe is mutually perpendicular to the central axis direction of the dust collection motor so as to simplify an air flow channel and reduce air flow loss.

The air inlet pipe body further comprises an air inlet body cavity for accommodating the cylindrical filter element and the ash duster, an annular groove arranged around the air inlet body cavity, and a sliding hole which is arranged on one side of the annular groove, is communicated with the annular groove and allows the connecting arm to pass through, wherein the motor body is provided with an air inlet grid which is inserted into the cylindrical filter element, so that the height of the motor body is reduced, and the motor body is easy to miniaturize.

The air inlet pipe machine body further comprises a buckling rib which is positioned in the cavity of the air inlet machine and buckled with the mesh cover assembly, the cylindrical filter piece comprises a pleated main body which is circumferentially arranged at intervals and internally provided with a filtering cavity, a pair of flexible bodies correspondingly coated at two ends of the pleated main body, an end plate which is positioned at one end of the pleated main body and is in propping contact with the corresponding flexible bodies, a support piece which is connected with the center of the end plate and can be supported by the mesh cover assembly, and a sealing ring which is positioned at the other end of the pleated main body and is in propping contact with the corresponding flexible bodies and is in sealing fit with the air inlet grid, so that the cylindrical filter piece and the ash duster can reliably operate.

The third technical scheme provided by the invention is that the method comprises the following steps:

s100, firstly providing a dust collector, which comprises a dust collector body, a dust barrel detachably connected with the dust collector body, a dust collection motor positioned in the dust collector body, a net cover component positioned in the dust barrel, a cylindrical filter piece positioned in the net cover component and positioned at the downstream of the net cover component and positioned at the upstream of the dust collection motor, and a dust brushing device for brushing dust on the outer surface of the cylindrical filter piece, wherein the dust brushing device comprises a dust brushing main body which is annular and provided with a dust brushing inner cavity, a plurality of extension arms which extend from one end of the dust brushing main body and are circumferentially arranged at intervals, and a connecting arm which is positioned at the inner side of the dust brushing main body and is positioned at the outer side of the dust brushing main body at one end and can be operated by a user, wherein the inner wall of the dust brushing main body or the extension arms is provided with a plurality of projections which are arranged towards the center of the dust brushing inner cavity;

S200, starting a dust collection motor, filtering dust-containing airflow by a screen assembly, and accumulating part of dust on a filter disc of a cylindrical filter element;

S300, one end of the connecting arm is pushed to rotate, the lug stirs the corresponding filter plate to deform, and the deformation is quickly recovered after the deformation, so that dust accumulated by the filter plate is brushed out in the deformation process, and the brushed dust moves downwards and falls into the dust collection cavity;

S400, the dust in the dust collection cavity is dumped and emptied to the end.

Compared with the prior art, the invention has the following positive effects of being used for dusting the cylindrical filter element, reducing dust blockage, improving the filtering performance, having high working reliability and being convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is another perspective view of the first embodiment of the present invention;

FIG. 3 is a perspective view of a second embodiment of the present invention;

FIG. 4 is a cross-sectional view of a second embodiment of the present invention;

FIG. 5 is an exploded view of a second embodiment of the present invention;

fig. 6 is a perspective view of an air inlet pipe body according to a second embodiment of the present invention;

Fig. 7 is another perspective view of an air inlet duct body according to a second embodiment of the present invention;

FIG. 8 is a perspective view of a cylindrical filter element according to a second embodiment of the present invention;

FIG. 9 is another perspective view of a cylindrical filter element according to a second embodiment of the present invention;

Fig. 10 is a perspective view of a partial structure of a second embodiment of the present invention, in which a motor body is removed.

Detailed Description

In the description of the present invention, it should be noted that, unless otherwise indicated, the meaning of "plurality" means two or more, and the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "head", "tail", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplification, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intermediary. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

The following describes the embodiments of the present invention in further detail with reference to the drawings.

1-2, A first embodiment of a dusting device is disclosed comprising a dusting body 5200 having a ring-shaped form and having a dusting inner cavity 5220, a plurality of extension arms 5240 extending from one end of the dusting body 5200 and circumferentially spaced apart, 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 dusting body 5200 or the inner walls of the extension arms 5240 are formed with a plurality of protrusions disposed toward the center of the dusting inner cavity 5220. The inner wall of the ash body 5200 is formed with a plurality of first protrusions 5204, while the inner wall of the extension arm 5240 is formed with second protrusions 5244. The second projection 5244 is spaced from the corresponding first projection 5204 in the axial direction of the ash chamber 5220. The extension arm 5240 has a reduced cross-sectional area in the axial direction of the ash chamber 5220. The first and second protrusions 5204, 5244 are interference fit with the outer surface of the cylindrical filter element during the ash duster movement.

As shown in fig. 3 to 10, the present invention discloses a second embodiment of a cleaner which may be placed on a horizontal plane, and includes a cleaner body, a dust cylinder 2000 detachably connected to the cleaner body, a dust suction motor 3000 provided in the cleaner body, a mesh cover assembly 2400 provided in the dust cylinder 2000, a cylindrical filter 4000 provided in the mesh cover assembly 2400 and downstream of the mesh cover assembly 2400 and upstream of the dust suction motor 3000, a dust brushing device 5000 for brushing dust on an outer surface of the cylindrical filter 4000, a battery pack 6000 for supplying power to the dust suction motor 3000, and a rear filter 7000 provided outside the dust suction motor 3000 and downstream of the dust suction motor 3000. Wherein the bottoms of the dust canister 2000 and the battery pack 6000 are coplanar to be placed on the horizontal plane.

The cleaner body includes a motor body 1200 accommodating the dust suction motor 3000, an air inlet pipe body 1400 having 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 housing 1220 for housing the dust suction motor 3000, and an air intake grill 1240 inserted into the cylindrical filter 4000, wherein the air intake grill 1240 includes a plurality of grills circumferentially air-intake and circumferentially spaced, and a plurality of grill holes at the ends of the grills and allowing axial air intake to ensure air intake in a plurality of directions. Wherein the air inlet pipe 1420 is positioned at the other side of the motor body 1200, and the air inlet direction of the air inlet pipe 1420 is mutually perpendicular to the central axis direction of the dust collection motor 3000, and comprises an air guide channel 1422 positioned therein and one end of which is communicated with the interior of the dust barrel 2000, and an air inlet pipe inlet 1424 positioned at the other end of the air guide channel 1422. The air inlet pipe body 1400 further includes an air inlet body cavity 1440 that accommodates the cylindrical filter 4000 and the ash duster 5000, an air inlet body inner side wall 1442 provided around the air inlet body cavity 1440, an annular groove 1460 provided around the air inlet body inner side wall 1442, and a sliding hole 1404 that is located on one side of the annular groove 1460 and communicates with the annular groove 1460 and allows the connection arm 5400 to pass through. The intake housing 1400 further includes a catch 1444 disposed within the intake housing cavity 1440 and engaged with the screen assembly 2400, and a sidewall hole 1446 disposed on the intake housing inner sidewall 1442 adjacent to the catch 1444 and allowing the connecting arm 5400 to pass therethrough.

The dustcup 2000 is generally cylindrical in shape and is made of a transparent or translucent material that is hollow in its interior and defines a dustcup cavity 2020 for cyclonic separation. The dustcup 2000 also includes a dustcup lid that rotatably opens or shields the bottom of the dustcup cavity 2020. Screen assembly 2400 includes a filter screen 2420 having a circular shape, a receiving cavity 2440 positioned within filter screen 2420 and receiving cylindrical filter 4000, and a dust collection cavity positioned at a bottom of receiving cavity 2440. The filter 2420 is preferably a metal mesh and has a plurality of mesh openings for air flow filtration.

The dust collection motor 3000 is located above the cylindrical filter 4000 and the dust remover 5000, and the central axis direction of the dust collection motor 3000 is perpendicular to the horizontal plane. The suction motor 3000 is preferably a dc motor.

Cylindrical filter 4000, which in this embodiment is preferably a hepa, comprises a pleated body 4200 having a filter cavity 4204 therein, an end plate 4400 positioned at one end of pleated body 4200, a support 4600 connected to the center of end plate 4400 and supportable by screen assembly 2400, and a sealing ring 4800 positioned at the other end of pleated body 4200 and sealingly engaged with air inlet grille 1240. The pleated body 4200 includes a plurality of filter sheets 4220 circumferentially spaced apart, and a pair of flexible bodies 4240 respectively wrapped around the ends of the filter sheets 4220. The seal ring 4800 has a seal ring opening 4820 in the center that allows the air intake grill 1240 to be inserted. The cylindrical filter 4000 is formed of a pleated paper material in a meandering manner with successive peaks in a direction perpendicular to the axial direction to obtain a large dust catching collecting surface.

The ash duster 5000 comprises an annular ash duster body 5200 with an ash duster cavity 5220, and a connecting arm 5400 with one end positioned on the inner side of the ash duster body 5200 and the other end positioned on the outer side of the ash duster body 5200 and capable of being operated by a user, wherein a plurality of protruding blocks arranged towards the center of the ash duster cavity 5220 are formed on the inner wall of the ash duster body 5200, a cylindrical filter 4000 is positioned in the ash duster cavity 5220, and the protruding blocks are in interference fit with the filter 4220 during movement and are positioned in a spacing groove between two adjacent filter plates when the filter is stationary. The protrusions include a plurality of first protrusions 5204 on the inner wall of the ash 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 resilient than the first protrusions 5204. The connecting arm 5400 includes a connecting arm fixed end 5404 at one end located within the ash chamber 5220, and a pulling block 5440 sleeved on the other end and located outside the ash body 5200. The pulling block 5440 is pushed by the finger of the user to cause the dust-removing main body 5200 to rotate, so that the first protruding block 5204 and the second protruding block 5244 pull the corresponding filter plate 4220 to deform, and the deformation is quickly recovered after the deformation, so that dust accumulated by the filter plate 4220 is removed in the deformation process, and the removed dust moves downwards and falls into the dust collection cavity.

On the basis of the above embodiments, the present invention provides a third embodiment of a method, which includes the steps of:

S100, firstly, a dust collector is provided, which comprises a dust collector body, a dust barrel 2000 detachably connected with the dust collector body, a dust collection motor 3000 positioned in the dust collector body, a net cover assembly 2400 positioned in the dust barrel 2000, a cylindrical filter 4000 positioned in the net cover assembly 2400 and positioned at the downstream of the net cover assembly 2400 and positioned at the upstream of the dust collection motor 3000, and a dust brushing device 5000 for brushing dust on the outer surface of the cylindrical filter 4000, wherein the dust brushing device 5000 comprises a dust brushing main body 5200 which is annular and provided with dust brushing inner cavities 5220, a plurality of extension arms 5240 which extend from one end of the dust brushing main body 5200 and are circumferentially arranged at intervals, and a connecting arm 5400 which has one end positioned at the inner side of the dust brushing main body 5200 and the other end positioned at the outer side of the dust brushing main body 5200 and can be operated by a user, wherein the inner wall of the dust brushing main body 5200 or 5240 is provided with a plurality of projections which are arranged towards the center of the dust brushing inner cavities 5220;

S200, starting the dust collection motor 3000, filtering the dust-containing air flow by the screen assembly 2400, and accumulating part of the dust on the filter plates 4220 of the cylindrical filter element 4000;

S300, one end of the connecting arm 5400 is pushed to rotate, the lug stirs the corresponding filter piece 4220 to deform, and the deformation is quickly recovered after the deformation, so that dust accumulated by the filter piece 4220 is dusted out in the deformation process, and the dusted dust moves downwards and falls into the dust collection cavity;

S400, the dust in the dust collection cavity is dumped and emptied to the end.

The invention has the advantages of being used for dusting the cylindrical filter element, reducing dust blockage, improving the filtering performance, having high working reliability and being convenient to use and clean.

The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can make several variations and modifications without departing from the inventive concept, and shall be covered by the scope of the present invention.

Claims (10)

1. The ash brushing device is matched with a cylindrical filter and is characterized by comprising an annular ash brushing main body (5200) with an ash brushing inner cavity (5220), a plurality of extension arms (5240) extending from one end of the ash brushing main body (5200) and arranged at intervals in the circumferential direction, and a connecting arm (5400) with one end positioned on the inner side of the ash brushing main body (5200) and the other end positioned on the outer side of the ash brushing main body (5200) and capable of being operated by a user, wherein a plurality of protruding blocks which are arranged towards the center of the ash brushing inner cavity (5220) are formed on the inner wall of the ash brushing main body (5200) or the extension arms (5240).

2. The ash brushing device according to claim 1, wherein the inner wall of the ash brushing body (5200) is formed with a plurality of first protrusions (5204) circumferentially spaced apart, and the inner wall of each extension arm (5240) is formed with a second protrusion (5244).

3. The ash brushing device according to claim 2, characterized in that the second projection (5244) is spaced from the corresponding first projection (5204) in the axial direction of the ash brushing inner cavity (5220).

4. The ash brushing device according to claim 3, characterized in that the cross-sectional area of the extension arm (5240) is smaller in the axial direction of the ash brushing inner cavity (5220).

5. The ash brushing device according to claim 4, wherein said first and second protrusions (5204, 5244) are in interference fit with the outer surface of said cylindrical filter element during movement.

6. A dust collector comprises 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 net cover assembly (2400) located in the dust cylinder (2000), a cylindrical filter member 4000 located in the net cover assembly (2400) and located downstream of the net cover assembly (2400) and upstream of the dust collection motor (3000), and a dust collection device (5000) for collecting dust on the outer surface of the cylindrical filter member (4000), wherein the dust collection device (5000) comprises a dust collection main body (5200) which is annular and provided with a dust collection inner cavity (5220), and a connecting arm (5400) which is located on the inner side of the dust collection main body (5200) and located on the outer side of the dust collection main body (5200) and can be operated by a user, a plurality of projections which are arranged towards the center of the dust collection inner cavity (5220) are formed on the inner wall of the dust collection main body (5200), the cylindrical filter member (4000) is located in the dust collection inner cavity (5220) and comprises a plurality of filter sheets (20) which are in interference fit with the filter sheets (20) in a circumferential interference mode.

7. The vacuum cleaner according to claim 6, wherein the dust suction motor (3000) is disposed above the cylindrical filter (4000) and the dust removing device (5000), wherein the vacuum cleaner body comprises a motor body (1200) for accommodating the dust suction motor (3000), an air inlet pipe body (1400) disposed at the bottom of the motor body (1200) and having an air inlet pipe (1420), and a handle body (1600) disposed at one side of the motor body (1200), wherein the air inlet pipe (1420) is disposed at the other side of the motor body (1200), and wherein the air inlet direction of the air inlet pipe (1420) is perpendicular to the central axis direction of the dust suction motor (3000).

8. The vacuum cleaner according to claim 7, wherein the air inlet pipe body (1400) further comprises an air inlet body cavity (1440) for accommodating the cylindrical filter (4000) and the dust removing device (5000), an annular groove (1460) provided around the air inlet body cavity (1440), and a sliding hole (1404) provided at one side of the annular groove (1460) and communicating with the annular groove (1460) and allowing the connection arm (5400) to pass through, and wherein the motor body (1200) has an air inlet grid (1240) inserted into the cylindrical filter (4000).

9. The vacuum cleaner according to claim 7, wherein the air inlet pipe body (1400) further comprises a fastening rib (1444) located in the air inlet body cavity (1440) and fastened to the screen assembly (2400), and wherein the cylindrical filter member (4000) comprises a pleated body (4200) having a filter cavity (4204) therein, a pair of flexible bodies (4240) respectively wrapped around both ends of the pleated body (4200), an end plate (4400) located at one end of the pleated body (4200) and in abutting contact with the respective flexible bodies (4240), a support member (4600) connected to the center of the end plate (4400) and supportable by the screen assembly (2400), and a sealing ring (4800) located at the other end of the pleated body (4200) and in abutting contact with the respective flexible bodies (4240) and in sealing engagement with the air inlet grid (1240).

10. A method, characterized in that it comprises the steps of:

s100, firstly providing a dust collector, which comprises a dust collector body, a dust barrel detachably connected with the dust collector body, a dust collection motor positioned in the dust collector body, a net cover component positioned in the dust barrel, a cylindrical filter piece positioned in the net cover component and positioned at the downstream of the net cover component and positioned at the upstream of the dust collection motor, and a dust brushing device for brushing dust on the outer surface of the cylindrical filter piece, wherein the dust brushing device comprises a dust brushing main body which is annular and provided with a dust brushing inner cavity, a plurality of extension arms which extend from one end of the dust brushing main body and are circumferentially arranged at intervals, and a connecting arm which is positioned at the inner side of the dust brushing main body and is positioned at the outer side of the dust brushing main body at one end and can be operated by a user, wherein the inner wall of the dust brushing main body or the extension arms is provided with a plurality of projections which are arranged towards the center of the dust brushing inner cavity;

S200, starting a dust collection motor, filtering dust-containing airflow by a screen assembly, and accumulating part of dust on a filter disc of a cylindrical filter element;

S300, one end of the connecting arm is pushed to rotate, the lug stirs the corresponding filter plate to deform, and the deformation is quickly recovered after the deformation, so that dust accumulated by the filter plate is brushed out in the deformation process, and the brushed dust moves downwards and falls into the dust collection cavity;

S400, the dust in the dust collection cavity is dumped and emptied to the end.