Self-cleaning structure of dust collector
By arranging an L-shaped scraper rod and a stability structure on the outside of the vacuum cleaner filter, the problem of easy clogging of the filter is solved, the self-cleaning and convenient replacement of the filter are achieved, and the service life of the filter is extended.
Patent Information
- Application Number
- CN202422923274.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The cup-shaped filter of an existing portable vacuum cleaner tends to accumulate a large amount of debris and dust after being used for a period of time, resulting in the need for frequent replacement and high consumption.
A self-cleaning structure for a vacuum cleaner was designed. An L-shaped scraper was set on the outside of the cup-shaped filter. The scraper was driven to rotate by a rotating shaft to remove dust and debris. The stability of the rotating shaft was ensured by a limit ring and a fixed ring. Combined with a rectangular slot and a snap-on structure, the filter was easily disassembled and replaced.
It effectively prevents dust and debris from clogging the filter, extends the service life of the filter, simplifies the cleaning and replacement process of the filter, and improves the use efficiency.
Smart Images
Figure CN223464002U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dust catcher field, concretely is a dust catcher self -cleaning structure. BACKGROUND
[0002] Dust catcher is a kind of household appliance, mainly used to clean dust and sundries on the ground, carpet, furniture and other surfaces. It is usually composed of a dust collection main unit, a hose and one or more dust collection brush heads. The dust collection main unit is equipped with a motor inside, which can generate strong suction force, and through the hose and dust collection brush head, dust and sundries are sucked in and stored in the dust collection box or dust bag. Using a dust collector can greatly reduce the intensity of housework and improve cleaning efficiency. Modern dust collectors also have many functions, such as filtering air, sterilizing and killing mites, etc., making the home environment healthier. In addition, the design of the dust collector is more and more humanized, easy to operate and convenient to carry, which can meet the cleaning needs of different scenes. Whether it is daily household cleaning or more in-depth cleaning, the dust collector is a very practical tool.
[0003] For example, the authorized announcement number CN220937891U, a handheld dust collector, which includes a dust cup, a filter part arranged at one end of the dust cup, an air inlet duct arranged at the bottom end of the dust cup, a handle connected with the filter part, a battery pack arranged at the bottom end of the handle, and a motor part connected with the handle. Wherein, the motor part is in communication with the filter part, and the bottom end surface of the motor part is flush with the bottom end surface of the battery pack and forms a support surface together to support the handheld dust collector. The utility model can place the handheld dust collector more stably and reliably when not in use, and is not easy to fall over.
[0004] The existing portable dust collector is separated by cup-shaped filter screen, but the cup-shaped filter screen is not provided with a self-cleaning mechanism, and when the cup-shaped filter screen works for a while, a large amount of sundries and dust will be attached to the surface, affecting the use, at this time, the cup-shaped filter screen needs to be replaced, resulting in large consumption of cup-shaped filter screen. Therefore, there is an urgent need in the market to develop a dust collector self-cleaning structure to help people solve the existing problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a dust collector self-cleaning structure to solve the problem that the existing portable dust collector is separated by cup-shaped filter screen, but the cup-shaped filter screen is not provided with a self-cleaning mechanism, and when the cup-shaped filter screen works for a while, a large amount of sundries and dust will be attached to the surface, affecting the use, at this time, the cup-shaped filter screen needs to be replaced, resulting in large consumption of cup-shaped filter screen.
[0006] To achieve the above object, the utility model provides the following technical scheme: A dust catcher self -cleaning structure, including dust catcher drive part, motor is fixedly arranged in the dust catcher drive part, the output shaft is provided at the front end of motor, the dust catcher drive part front end is connected with the air suction cover, the front end of the middle part of air suction cover inside is fixedly provided with the limit tube, the limit tube inside is rotatably connected with the rotating shaft, the cup -shaped support frame is provided with cup -shaped filter screen outside fixed connection in the cup -shaped support frame rear end, the outside end surface of cup -shaped filter screen is provided with multiple L type scraper bar of annular array, the rotating shaft rear end extends limit tube rear end and is fixedly connected through the fixed ring between multiple L type scraper bar front end.
[0007] Preferably, the cup-shaped support frame comprises a support ring and a plug-in ring, and the support ring and the plug-in ring are fixedly connected through a plurality of support rods.
[0008] Preferably, the air suction cover rear end is provided with an annular insertion groove, the plug-in ring is inserted into the annular insertion groove and is limitally connected with the air suction cover, the dust catcher drive part front end is fixedly connected with an annular connecting part, the annular connecting part is inserted into the annular insertion groove and is fixed through a buckle.
[0009] Preferably, the rotating shaft front end extends out of the limit tube front end and is fixedly connected with a limiting ring, the rotating shaft rear end passes through the front end middle part of the cup-shaped filter screen, extends to the inside of the cup-shaped support frame and is fixedly connected with a rectangular limiting part on the rear end face.
[0010] Preferably, the output shaft of the motor is fixedly connected with a plurality of blades, and the front end face of the dust catcher drive part is provided with an air suction port in the middle part.
[0011] Preferably, the output shaft front end extends to the inside of the cup-shaped support frame through the air suction port and is provided with a rectangular insertion groove on the front end face.
[0012] Preferably, the rectangular limiting part on the rotating shaft is inserted into the rectangular insertion groove on the output shaft.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1、In the utility model, through the setting of L type scraper bar, the rotating shaft rear end extends out of the limit tube rear end and is fixedly connected through the fixed ring between multiple L type scraper bar front end, rotates the fixed ring through the rotating shaft rotation, and then simultaneously drives multiple L type scraper bar rotation, realizes when using the cup -shaped filter screen, makes L type scraper bar to the cup -shaped filter screen outside end surface constantly scrape and take, prevents dust and sundries from blocking the filter screen, improves the service life of filter screen.
[0015] 2. The utility model discloses, through the setting of rectangular slot, the front end of output shaft passes through the suction port and extends to the inside of cup -shaped support frame and is provided with rectangular slot on the front end face, and the rectangular limiting portion on the rotating shaft is inserted into the inside of rectangular slot on the output shaft, and the output shaft of motor not only drives the rotation of blade and produces suction force, but also rotates with the rotating shaft connected through rectangular slot. The rotation of rotating shaft drives the rotation of multiple L type scraper poles connected through the fixed ring at its rear end.
[0016] 3. The utility model discloses, through the setting of limiting ring and fixed ring, limiting ring and fixed ring are set respectively in the front and rear ends of limiting pipe and limit the rotation of rotating shaft, prevent the front and rear slip of rotating shaft when rotating, guarantee the stability of rotating shaft rotation. DRAWINGS
[0017] Figure 1 It is the front view of a dust catcher self -cleaning structure of the utility model;
[0018] Figure 2 It is the side sectional view of the utility model;
[0019] Figure 3 It is the main sectional view of the air suction cover of the utility model;
[0020] Figure 4 It is the A detail enlarged view of the utility model.
[0021] In the drawing: 1, dust catcher drive part;101, suction port;102, annular connecting portion;2, motor;201, output shaft;202, blade;203, rectangular slot;3, air suction cover;301, annular slot;302, limiting pipe;4, rotating shaft;401, limiting ring;402, fixed ring;403, L type scraper pole;404, rectangular limiting portion;5, cup -shaped support frame;501, support ring;502, plug -in ring;503, support rod;6, cup -shaped filter screen. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described below in a clear and complete manner with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0023] Please refer to Figures 1-4The utility model provides a kind of embodiment: a dust cleaner self-cleaning structure, including dust cleaner driving part 1, dust cleaner driving part 1 front end is connected with suction hood 3, the middle part front end of inside suction hood 3 is fixedly arranged with limit tube 302, limit tube 302 inside is rotatably connected with rotating shaft 4, limit tube 302 rear end is provided with cup-shaped support frame 5, cup-shaped support frame 5 outside is fixedly connected with cup-shaped filter screen 6, multiple L type scraper rods 403 are arranged on the outside end surface of cup-shaped filter screen 6 in annular array, rotating shaft 4 rear end extends limit tube 302 rear end and is fixedly connected between multiple L type scraper rods 403 front end by fixing ring 402, rotate fixed ring 402 by rotating shaft 4 rotation, and then simultaneously drive multiple L type scraper rods 403 rotation, realize when using cup-shaped filter screen 6, make L type scraper rod 403 continuously scrape on the outside end surface of cup-shaped filter screen 6, prevent dust and sundries from blocking filter screen, improve the service life of filter screen.
[0024] Please refer to Figure 2 Cup-shaped support frame 5 includes support ring 501 and splicing ring 502, and support ring 501 and splicing ring 502 are fixedly connected by multiple support rods 503, suction hood 3 rear end is provided with annular insertion groove 301, splicing ring 502 outside is inserted into annular insertion groove 301 inside and is limitally connected with suction hood 3, and annular connecting portion 102 is fixedly connected with the front end of dust cleaner driving part 1, and annular connecting portion 102 is inserted into annular insertion groove 301 inside and is fixed by buckle, so that suction hood 3 can be separated from the front end of dust cleaner driving part 1, when suction hood 3 is separated from dust cleaner driving part 1, splicing ring 502 is slid back out of annular insertion groove 301 inside by pulling, cup-shaped support frame 5 and cup-shaped filter screen 6 on it can be disassembled, convenient for replacing cup-shaped filter screen 6.
[0025] Please refer to Figures 2-4, the front end of the rotating shaft 4 extends out of the front end of the limiting tube 302 and is fixedly connected with a limiting ring 401, the limiting ring 401 and a fixed ring 402 are arranged at the front and rear ends of the limiting tube 302 respectively to limit the rotation of the rotating shaft 4, preventing the rotating shaft 4 from sliding forward and backward when rotating, and ensuring the stability of the rotating shaft 4, the rear end of the rotating shaft 4 extends to the inside of the cup-shaped support frame 5 through the middle part of the front end of the cup-shaped filter screen 6 and is fixedly connected with a rectangular limiting part 404 on the rear end face, a motor 2 is fixedly arranged in the inside of the dust collector driving part 1, an output shaft 201 is arranged at the front end of the motor 2, a plurality of blades 202 are fixedly connected to the output shaft 201 of the motor 2, a suction port 101 is arranged at the middle part of the front end face of the dust collector driving part 1, the front end of the output shaft 201 extends to the inside of the cup-shaped support frame 5 through the suction port 101 and is provided with a rectangular slot 203 on the front end face, the rectangular limiting part 404 on the rotating shaft 4 is inserted into the inside of the rectangular slot 203 on the output shaft 201, the rotating shaft 4 is driven to rotate by the output shaft 201 of the motor 2, and then the rotating shaft 4 drives the plurality of L-shaped scraping rods 403 to rotate, when the suction hood 3 is separated from the dust collector driving part 1, the rectangular limiting part 404 slides out of the rectangular slot 203, so that the rotating shaft 4 can be separated from the output shaft 201.
[0026] Working principle: when in use, the motor 2 in the inside of the dust collector driving part 1 is started, the output shaft 201 of the motor 2 drives the plurality of blades 202 fixedly connected thereto to rotate at high speed, so that a strong suction force is generated in the inside of the dust collector driving part 1. At this time, the surrounding air and dust and other sundries are sucked in through the suction hood 3 and filtered through the cup-shaped filter screen 6 in the inside of the suction hood 3. In the process of continuous working of the dust collector, the output shaft 201 of the motor 2 not only drives the blades 202 to rotate to generate suction force, but also drives the rotating shaft 4 connected thereto to rotate through the rectangular slot 203. The rotation of the rotating shaft 4 drives the plurality of L-shaped scraping rods 403 connected through the fixed ring 402 at the rear end of the rotating shaft 4 to rotate. The rotation of the L-shaped scraping rods 403 continuously scrapes the outer side end face of the cup-shaped filter screen 6, preventing dust and sundries from accumulating on the filter screen, so as to keep the filter screen clean and unblocked. When it is necessary to clean or replace the cup-shaped filter screen 6, the dust collector can be first turned off, and then the suction hood 3 is separated from the front end of the dust collector driving part 1. By pulling the plug-in ring 502 to slide out of the inside of the annular slot 301, the cup-shaped support frame 5 and the cup-shaped filter screen 6 thereon can be detached from the suction hood 3. At this time, the dust and sundries on the cup-shaped filter screen 6 can be conveniently cleaned, or a new cup-shaped filter screen 6 can be replaced.
[0027] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A self-cleaning structure of a dust collector comprising a dust collector driving part (1), characterized in that: The motor (2) is arranged inside the dust cleaner driving part (1), the output shaft (201) is arranged at the front end of the motor (2), the air suction cover (3) is connected to the front end of the dust cleaner driving part (1), the limiting tube (302) is arranged at the front end of the middle part of the air suction cover (3), the rotating shaft (4) is rotatably connected inside the limiting tube (302), the cup-shaped support frame (5) is arranged at the rear end of the limiting tube (302), the cup-shaped filter screen (6) is fixedly connected outside the cup-shaped support frame (5), a plurality of L-shaped scraping rods (403) are arranged in an annular array on the outer side end surface of the cup-shaped filter screen (6), and the rear end of the rotating shaft (4) extends out of the rear end of the limiting tube (302) and is fixedly connected between the front ends of the plurality of L-shaped scraping rods (403) through the fixing ring (402).
2. The self-cleaning structure of a dust cleaner according to claim 1, characterized in that: The cup-shaped support frame (5) comprises a support ring (501) and a plug-in ring (502), and the support ring (501) and the plug-in ring (502) are fixedly connected through a plurality of support rods (503).
3. The self-cleaning structure of claim 2, wherein: The rear end of the air suction cover (3) is provided with an annular insertion slot (301), the outer side of the plug-in ring (502) is inserted into the inside of the annular insertion slot (301) and is limitingly connected with the air suction cover (3), the front end of the dust cleaner driving part (1) is fixedly connected with an annular connecting part (102), the annular connecting part (102) is inserted into the inside of the annular insertion slot (301) and is fixed by buckling.
4. The self-cleaning structure of a dust cleaner according to claim 1, wherein: The front end of the rotating shaft (4) extends out of the front end of the limiting tube (302) and is fixedly connected with a limiting ring (401), the rear end of the rotating shaft (4) extends to the inside of the cup-shaped support frame (5) through the middle part of the front end of the cup-shaped filter screen (6) and is fixedly connected with a rectangular limiting part (404) on the rear end surface.
5. The self-cleaning structure of a dust cleaner according to claim 4, characterized in that: A plurality of blades (202) are fixedly connected on the output shaft (201) of the motor (2), and the air suction port (101) is arranged on the middle part of the front end surface of the dust cleaner driving part (1).
6. The self-cleaning structure of a dust cleaner according to claim 5, wherein: The front end of the output shaft (201) extends to the inside of the cup-shaped support frame (5) through the air suction port (101) and is provided with a rectangular insertion slot (203) on the front end surface.
7. The self-cleaning structure of a dust cleaner according to claim 6, characterized in that: The rectangular limiting part (404) on the rotating shaft (4) is inserted into the rectangular insertion slot (203) on the output shaft (201).