CN218220079U

CN218220079U - Self-cleaning dust collector

Info

Publication number: CN218220079U
Application number: CN202221292962.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiuwei Technology Suzhou Co ltd
Current assignee: Jiuwei Technology Suzhou Co ltd
Priority date: 2022-10-22
Filing date: 2022-10-22
Publication date: 2023-01-06
Anticipated expiration: 2032-10-22

Abstract

The invention provides a self-cleaning dust collector, which comprises a cleaning cavity, a dust collecting cavity, a negative pressure source arranged in the cleaning cavity and a filtering component arranged between the cleaning cavity and the dust collecting cavity, and is characterized in that: the self-cleaning dust collector further comprises a cleaning component which is slidably arranged outside the cleaning cavity, the cleaning component comprises a dust scraping portion, the dust scraping portion is abutted to the filtering component, the cleaning component is driven by air flow when the negative pressure source works, the self-cleaning dust collector further comprises an elastic piece and a limiting piece arranged outside the cleaning cavity, one end of the elastic piece is abutted to the dust scraping portion, the other end of the elastic piece is abutted to the limiting piece, the cleaning component is sucked when the negative pressure source works, and dust on the filtering component is swept down through the dust scraping portion, so that a self-cleaning effect is achieved.

Description

Self-cleaning dust collector

Technical Field

The utility model relates to a dust catcher field, in particular to automatically cleaning dust catcher.

Background

The working principle of the dust collector is that the blades are driven by the motor to rotate at a high speed, air negative pressure is generated in the sealed shell to suck the surfaces of objects such as carpets, floors, walls and the like with dust, the dust is filtered by the HEPA in the dust-air separation component and is collected by the dust collection barrel after being sucked into the dust-air separation component along with air, and the filtered clean air is discharged out of the dust collector body.

In the dirt removing process of the dust collector, dust is attached to the surface of the air inlet side of the filter HEPA, and the longer the dust collector is used, the more dust accumulated on the surface of the filter HEPA is, the ventilation performance of the filter HEPA is gradually weakened, the wind power is reduced, and the dust removing performance of the dust collector is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the invention provides a self-cleaning dust collector.

Specifically, the invention provides a self-cleaning dust collector, which comprises a cleaning cavity, a dust collecting cavity, a negative pressure source arranged in the cleaning cavity and a filtering component arranged between the cleaning cavity and the dust collecting cavity, and is characterized in that: the self-cleaning dust collector further comprises a cleaning assembly which is slidably arranged outside the cleaning cavity, the cleaning assembly comprises a dust scraping part, in the embodiment, the dust scraping part is a brush, the brush is abutted to the filtering assembly, and the cleaning assembly is driven by airflow when the negative pressure source works.

The self-cleaning dust collector further comprises an elastic piece and a limiting piece arranged outside the cleaning cavity, one end of the elastic piece is abutted against the dust scraping part, and the other end of the elastic piece is abutted against the limiting piece.

Further, the filter assembly comprises a piece of paper handkerchief, the paper handkerchief is arranged outside the cleaning cavity in a cylindrical mode in the first axial direction, the dust scraping portion is arranged around the paper handkerchief in a surrounding mode, and the cleaning assembly comprises an extending portion extending from the dust scraping portion to one side far away from the paper handkerchief.

Further, the self-cleaning dust collector comprises an inner wall, the inner wall is arranged in a mode of being parallel to the first axial direction and surrounding the paper handkerchief, the inner wall forms a space which is closed in the axial direction and is opened in the radial direction, the filtering assembly, the cleaning assembly and the cleaning cavity are located in the space, when the negative pressure source is started, the suction force in the inner wall is larger due to the closed space in the axial direction, the cleaning assembly is better sucked, and the extending portion moves upwards along the inner wall under the action of the suction force.

Furthermore, the distance from the inner diameter to the outer diameter of the extension part ranges from 3 cm to 20cm, the extension part is made of rubber or light plastic, and in practical operation, the extension part has enough width and is light enough to be sucked up by negative pressure.

Furthermore, the dust scraping part comprises bristles, the extending direction of the bristles in the free state is oblique to the moving direction of the cleaning assembly, and the oblique intersection can greatly sweep dust on the HEPA.

Furthermore, clean chamber bottom includes scrapes dirt portion supporting platform, and when the negative pressure source was out of work, it falls to scrape dirt portion by gravity brush supporting platform.

Further, when the negative pressure source is started, the pressure in the cleaning cavity is not lower than 15MPa.

By opening the negative pressure source, enough suction is achieved, the cleaning assembly is sucked up, the brush on the cleaning assembly is utilized to brush off dust on the handkerchief paper, the self-cleaning effect is achieved, the dust removal performance of the dust collector is improved, the reusability of the handkerchief paper is saved, the integral disassembly of the handkerchief paper is avoided, and the cleaning is facilitated.

Drawings

Fig. 1 is a perspective view of a vacuum cleaner according to a preferred embodiment of the present invention.

Fig. 2 is a sectional view of a vacuum cleaner according to a preferred embodiment of the present invention.

Fig. 3 is a schematic view showing a cleaning assembly of a vacuum cleaner according to a preferred embodiment of the present invention.

Wherein: A. cleaning the cavity; B. a dust collection chamber; 1. a source of negative pressure; 2. a filter assembly; 3. a cleaning assembly; 31. A dust scraping part; 32. an extension portion; 4. a limiting member; 5. an elastic member; 6. an inner wall; 7. supporting platform

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front," "back," "lower," and/or "upper," and the like are for convenience of description, and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Referring to fig. 1, an embodiment of the present invention provides a self-cleaning vacuum cleaner.

Referring to fig. 2, the self-cleaning vacuum cleaner includes a cleaning chamber a, a dust collecting chamber B, wherein a negative pressure source 1 is disposed in the cleaning chamber, a filter assembly 2 is disposed between the cleaning chamber 1 and the dust collecting chamber 2, the self-cleaning vacuum cleaner further includes a cleaning assembly 3 slidably disposed outside the cleaning chamber a, the cleaning assembly 3 includes a dust scraping portion 31, in this embodiment, the dust scraping portion 31 is bristles, a brush abuts against the filter assembly 2, and the filter assembly 2 is made of paper; the cleaning assembly 3 is driven by the air flow to move upwards when the negative pressure source 1 is in operation, and acts on the filter assembly 2 through the dust scraping part 31, so that dust on the filter assembly 2 is swept away.

Self-cleaning dust collector still includes elastic component 5 and locates locating part 4 outside clean chamber A, the one end of elastic component 5 connect in scrape dirt portion 31, the other end of elastic component 5 is connected in locating part 4, the outside inner wall 6 that is provided with of filter assembly 2, cleaning assembly 3 includes from scraping dirt portion 31 to the extension 32 of keeping away from one side of handkerchief paper, produces suction when negative pressure source 1 starts, cleaning assembly 3 overcomes gravity and elastic force upward movement of elastic component 5.

Alternatively, when the source of negative pressure 1 is off, there is no suction within the cleaning chamber a and the cleaning assembly 3 falls under the force of gravity onto the support platform 7. The distance from the inner diameter to the outer diameter of the extension part is 3 to 20cm, the extension part is made of rubber or light plastic, and in practical operation, the extension part has enough width and is light enough to be sucked up by negative pressure.

Referring to fig. 3, the filter assembly 2 is arranged outside the cleaning chamber 1 in a first axial direction with the filter element 2 arranged in a ring around the filter element 3.

Preferably, when the negative pressure source 1 is turned on, the pressure in the cleaning cavity A is not lower than 15MPa, and enough pressure can suck the cleaning assembly 3.

Preferably, in the embodiment of the present invention, the dust scraping portion 31 includes bristles, and one bundle of bristles may be 1 or more, and the extending direction of the bristles in the free state is oblique to the moving direction of the cleaning component 3, and the oblique crossing can greatly sweep away dust on the hyptis, which is not specifically limited herein, depending on the actual situation.

Claims

1. The utility model provides a self-cleaning dust collector, includes clean chamber, dust collection chamber, locates the negative pressure source in clean chamber and locates the filter assembly between clean chamber and the dust collection chamber which characterized in that: the self-cleaning dust collector also comprises a cleaning component which is arranged outside the cleaning cavity in a sliding manner, the cleaning component comprises a dust scraping part, the dust scraping part is abutted against the filtering component, and the cleaning component is driven by airflow when the negative pressure source works;

the self-cleaning dust collector further comprises an elastic piece and a limiting piece arranged outside the cleaning cavity, one end of the elastic piece abuts against the dust scraping portion, and the other end of the elastic piece abuts against the limiting piece.

2. The self-cleaning vacuum cleaner of claim 1, wherein the filter assembly includes a paper handkerchief disposed outside the cleaning cavity in the first axial direction, the dust scraping portion is disposed in a circle around the paper handkerchief, and the cleaning assembly includes an extension portion extending from the dust scraping portion to a side away from the paper handkerchief.

3. A self-cleaning vacuum cleaner as claimed in claim 2, comprising an inner wall arranged parallel to the first axial direction, the inner wall forming an axially closed, radially open space in which the filter assembly, cleaning chamber are located.

4. A self-cleaning cleaner as claimed in claim 2, wherein the extension inner diameter to outer diameter distance is in the range 3 to 20cm.

5. A self-cleaning cleaner as claimed in claim 1, wherein the scraping portion comprises bristles which in a free state extend obliquely to the direction of movement of the cleaning assembly.

6. The self-cleaning cleaner of claim 1, wherein the dust scraping portion comprises a plurality of dust scraping elements, each of which is a single bristle or a plurality of bristles in a cluster.

7. The self-cleaning cleaner of claim 2, wherein the extension is made of rubber or lightweight plastic.

8. A self-cleaning cleaner as claimed in claim 1, wherein the cleaning chamber base includes a support platform bounding the dust scraping portion, the support platform defining the extreme positions of the dust scraping portion.

9. The self-cleaning vacuum cleaner of claim 1, wherein the pressure in the cleaning chamber is not less than 15MPa when the negative pressure source is on.