CN113116217B - Floor brushes and vacuum cleaners with them - Google Patents
Floor brushes and vacuum cleaners with themInfo
- Publication number
- CN113116217B CN113116217B CN201911418443.1A CN201911418443A CN113116217B CN 113116217 B CN113116217 B CN 113116217B CN 201911418443 A CN201911418443 A CN 201911418443A CN 113116217 B CN113116217 B CN 113116217B
- Authority
- CN
- China
- Prior art keywords
- blade
- brush
- roller
- swing arm
- roller brush
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
- A47L9/0466—Rotating tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
本发明涉及清洁设备技术领域，具体涉及一种地刷及具有其的吸尘器。本发明提供了一种地刷，地刷包括滚刷壳，滚刷壳内设置有滚刷室；滚刷，滚刷设置于滚刷室内并与地刷内的滚刷驱动电机传动连接；刀片组件，刀片组件包括第一刀片、摆杆和第二刀片，第一刀片设置于滚刷壳上并贴近滚刷，第二刀片贴紧第一刀片，滚刷驱动电机通过摆杆驱动第二刀片相对第一刀片作水平往复运动。本发明的刀片组件通过滚刷驱动电机驱动第二刀片相对第一刀片作水平往复运动，以此达到剪除滚刷上毛发的目的，不仅可以节省地刷使用的能量，还可以简化刀片组件以及地刷的结构。
This invention relates to the field of cleaning equipment technology, specifically to a floor brush and a vacuum cleaner incorporating it. The invention provides a floor brush comprising a roller brush housing with a roller brush chamber inside; a roller brush disposed within the roller brush chamber and connected to a roller brush drive motor within the floor brush; and a blade assembly comprising a first blade, a swing arm, and a second blade. The first blade is disposed on the roller brush housing and close to the roller brush, and the second blade is pressed against the first blade. The roller brush drive motor drives the second blade to reciprocate horizontally relative to the first blade via the swing arm. The blade assembly of this invention, by driving the second blade to reciprocate horizontally relative to the first blade via the roller brush drive motor, achieves the purpose of removing hair from the roller brush, which not only saves energy in the floor brush but also simplifies the structure of the blade assembly and the floor brush.
Description
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a floor brush and a dust collector with the floor brush.
Background
This section provides merely background information related to the present disclosure and is not necessarily prior art.
At present, the dust collector is gradually widely used, so that the household cleaning work is greatly facilitated, and the household intensity of people is relieved. However, since the dust collector needs to clean dust after the dust collection, the floor brush is often entangled by the elongated objects such as hair and thin wires to prevent the rolling brush from rotating, and thus, the dust collector needs to be cleaned manually. This increases the difficulty of the cleaning operation and thus reduces the user experience.
Disclosure of Invention
The invention aims to solve the technical problems of complex structure and poor shearing effect of the hair shearing mechanism on the existing ground brush at least to a certain extent.
In order to achieve the aim, the first aspect of the invention provides a floor brush, which comprises a rolling brush shell, a rolling brush and a blade assembly, wherein a rolling brush chamber is arranged in the rolling brush shell, the rolling brush is arranged in the rolling brush chamber and is in transmission connection with a rolling brush driving motor in the floor brush, the blade assembly comprises a first blade, a swinging rod and a second blade, the first blade is arranged on the rolling brush shell and is close to the rolling brush, the second blade is closely attached to the first blade, and the rolling brush driving motor drives the second blade to horizontally reciprocate relative to the first blade through the swinging rod.
The blade assembly drives the second blade to do horizontal reciprocating motion relative to the first blade through the rolling brush driving motor so as to achieve the aim of cutting hair on the rolling brush, and the blade assembly and the rolling brush share the rolling brush driving motor, so that the rolling brush hair cutting device has the advantages of simple structure and high reliability, and meanwhile, the blade assembly can not damage the rolling brush when cutting hair.
In addition, the floor brush according to the invention can also have the following additional technical features:
according to one embodiment of the invention, the bottom of the first blade is provided with a plurality of first serrations bent in an L-shape, the bottom of the second blade is provided with a plurality of second serrations bent in an L-shape, and the plurality of second serrations are located below the plurality of first serrations.
According to one embodiment of the invention, the bottom of the first blade is provided with a plurality of first serrations bent in an L-shape, the bottom of the second blade is provided with a plurality of second serrations bent in an L-shape, and the plurality of second serrations are located above the plurality of first serrations.
According to one embodiment of the invention, a sliding groove is formed in one side of the first blade, a sliding rail matched with the sliding groove is arranged in one side of the second blade, and the second blade is tightly attached to the first blade through the sliding rail and the sliding groove.
According to one embodiment of the invention, the side of the second blade facing away from the rolling brush is provided with a first elastic element which is in contact with the rolling brush shell, and the first blade and the second blade are mutually abutted under the elastic force of the first elastic element.
According to one embodiment of the invention, the second blade is provided with a magnetic element in magnetic contact with the first blade on the side facing the first blade, or with a magnetic element in magnetic contact with the second blade on the side facing the second blade, the second blade being attracted to the first blade by the magnetic element.
According to one embodiment of the invention, the second blade is provided with a second elastic element at both ends thereof, which is in contact with the rolling brush shell, and the second blade is horizontally reciprocated by the combined action of the swing rod and the second elastic element.
According to one embodiment of the invention, the blade assembly further comprises a reciprocating driving device arranged on the rolling brush shell, wherein the reciprocating driving device is in transmission connection with the second blade, and the reciprocating driving device drives the second blade to horizontally reciprocate.
According to one embodiment of the invention, the reciprocating driving device comprises a driving motor, a rolling shaft and a deflector rod, wherein the rolling shaft is arranged at the output end of the driving motor, the outer wall of the rolling shaft is provided with a corrugated groove, one end of the deflector rod is arranged in the corrugated groove, and the other end of the deflector rod is connected with the second blade.
The second aspect of the invention also provides a vacuum cleaner comprising a floor brush according to the first aspect of the invention.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic view of a vacuum cleaner according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the vacuum cleaner of FIG. 1;
FIG. 3 is a schematic view of a floor brush according to an embodiment of the present invention;
FIG. 4 is a schematic view of the blade assembly of one embodiment of the present invention;
fig. 5 is a schematic view of a blade assembly according to another embodiment of the present invention.
FIG. 6 is a schematic view of a floor brush according to another embodiment of the present invention;
fig. 7 is a schematic view of a partial a enlarged structure of the floor brush shown in fig. 6.
Wherein, the reference numerals are as follows:
100. A dust collector;
10. A rolling brush shell;
20. the brush comprises a rolling brush body, a rolling brush hair and a rolling brush hair;
30. Blade assembly 31, first blade 311, first saw tooth 312, chute 32, second blade 321, second saw tooth 322, slide rail 33, rolling brush driving motor 34, conveyor belt 35, input shaft 36, cam groove 37, swing rod 371, roller 38, second elastic element 39, first elastic element 39', magnetic element 41, driving motor 42, roller 43, deflector rod 44, second corrugated groove.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, the application of the brush to the cleaner is only a preferred embodiment of the present invention, and is not limited to the application range of the brush, for example, the brush of the present invention may be applied to other cleaning devices, such as a sweeping robot, and the adjustment falls within the protection range of the brush of the present invention.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are inclusive and therefore specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or the like, may include one or more such features, either explicitly or implicitly.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "disposed" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, or may be directly connected or indirectly connected via an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
For ease of description, spatially relative terms, such as "inner," "upper," "outer," "circumferential," "end," "middle," "side," "facing," "back," and the like, may be used herein to describe the relationship of one element or feature to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the mechanism in use or operation in addition to the orientation depicted in the figures. For example, if the mechanism in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below" may include both upper and lower orientations. The mechanism may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.
As shown in fig. 1 to 3, a first aspect of the present invention provides a floor brush, which includes a roll brush housing 10, a roll brush 20 and a blade assembly 30, wherein a roll brush chamber is provided in the roll brush housing 10, the roll brush 20 is disposed in the roll brush chamber and is in driving connection with a roll brush driving motor 33 in the floor brush, the blade assembly 30 includes a first blade 31, a swing link 37 and a second blade 32, the first blade 31 is disposed on the roll brush housing 10 and is close to the roll brush 20, the second blade 32 is closely attached to the first blade 31, and the roll brush driving motor 33 drives the second blade 32 to horizontally reciprocate relative to the first blade 31 through the swing link 37.
The blade assembly of the above embodiment can reduce the phenomenon that the rolling brush 20 winds hair, and the blade assembly 30 and the rolling brush 20 share the rolling brush driving motor 33, which has the advantages of simple structure and high reliability, and meanwhile, the blade assembly 30 can not damage the rolling brush 20 while cutting hair. Specifically, the rolling brush driving motor 33 may drive the swing rod 37 through the input shaft 35 on the rolling brush 20, and may further drive the swing rod 37 through an additional transmission mechanism, so as to convert the rotation motion of the rolling brush driving motor 33 into the swing motion of the swing rod 37, thereby realizing that the swing rod 37 drives the second blade 32 to horizontally reciprocate relative to the first blade 31. Further, the roll brush 20 includes a roll brush body 21 and roll bristles 22 disposed on an outer wall of the roll brush body 21, and the first and second blades 31 and 32 are adjacent to the roll bristles 22 without contacting the roll bristles 22, thereby reducing the phenomenon that the blade assembly 30 shears the roll bristles 22.
It should be noted that, in the above embodiment, it is not described whether the connection relationship between the swing link 37 and the rolling brush shell 10 is provided, and the specific connection structure between the swing link 37 and the rolling brush shell 10 is provided, because the swing link 37 may be connected to the rolling brush shell 10 or not, of course, in order to improve the motion stability of the swing link 37, the connection structure between the swing link 37 and the rolling brush shell 10 may be provided, for example, according to an embodiment of the present invention, the rolling brush 20 is provided with an input shaft 35 in driving connection with the rolling brush driving motor 33, one end of the swing link 37 is connected to the transmission structure on the input shaft 35, the second blade 32 is provided at the other end of the swing link 37, the middle section of the swing link 37 is rotatably connected to the rolling brush shell 10, one end of the swing link 37 can drive the other end of the swing link 37 and the second blade 32 to perform the swinging reciprocating motion with the middle section as the center of rotation, according to another embodiment of the present invention, the other end of the swing link 37 is not connected to the rolling brush shell 10, the one end of the swing link 37 is slidably connected to the rolling brush shell 10, the other end of the swing link 37 is connected to the other end of the second blade 32 to the second blade 32, and the swing link 37 can perform the reciprocating motion between the second blade and the rolling brush shell 37 and the driving structure and the rolling brush 37 is described in detail.
As shown in fig. 3, according to an embodiment of the present invention, the transmission structure includes a cam groove 36 distributed on an outer wall of the input shaft 35, one end of the swing link 37 is provided with a roller 371 engaged with the cam groove 36, the roller brush driving motor 33 drives the roller 371 to reciprocate up and down through the cam groove 36, the other end of the swing link 37 is clamped in a clamping groove on the second blade 32, the middle section of the swing link 37 is rotatably provided on the roller brush housing 10, when the input shaft 35 rotates, the input shaft 35 drives the roller 371 to reciprocate up and down through the cam groove 36, and the up and down reciprocation of the roller 371 and the rotation movement of the swing link 37 are combined to form a horizontal reciprocation of the other end of the swing link 37, thereby achieving the purpose of driving the second blade 32 to reciprocate horizontally.
According to another embodiment of the present invention, the transmission structure includes a first corrugation groove distributed on the outer wall of the input shaft 35, one end of the swing rod 37 is provided with a roller 371 matching with the first corrugation groove, the roller brush driving motor 33 drives the roller 371 to horizontally reciprocate through the first corrugation groove, the other end of the swing rod 37 is clamped in the clamping groove on the second blade 32, the middle section of the swing rod 37 is rotatably arranged on the roller brush shell 10, when the roller brush driving motor 33 drives the input shaft 35 to rotate through the conveyor belt 34, one end of the swing rod 37 is arranged in the first corrugation groove, the first corrugation groove only plays a limiting role on one end of the swing rod 37, the swing rod 37 is not driven to circularly reciprocate through contact between different parts and one end of the swing rod 37, one end of the swing rod 37 is driven to horizontally reciprocate simultaneously with the other end of the swing rod 37 and the second blade 32, and thus the purpose of removing impurities such as hair on the brush hair 22 is achieved.
By providing the roller 371 engaged with the cam groove 36 or the first bellows groove at one end of the swing link 37, when the cam groove 36 or the first bellows groove drives one end of the swing link 37, the swing link 37 is engaged with the cam groove 36 or the first bellows groove by the roller 371 to realize rolling friction, thereby reducing friction resistance between the cam groove 36 or the first bellows groove and the swing link 37.
As shown in fig. 4 and 5, according to one embodiment of the present invention, a sliding groove 312 is provided at one side of the first blade 31, a sliding rail 322 engaged with the sliding groove 312 is provided at one side of the second blade 32, the second blade 32 is closely attached to the first blade 31 through the sliding rail 322 and the sliding groove 312, as shown in fig. 6 and 7, a plurality of first serrations 311 bent in an L shape are provided at the bottom of the first blade 31, a plurality of second serrations 321 bent in an L shape are provided at the bottom of the second blade 32, and the plurality of second serrations 321 are located under the plurality of first serrations.
In the present embodiment, by abutting the second blade 32 against the first blade 31, the second blade 32 can always perform a shearing action with the first blade 31 when performing a horizontal reciprocating motion, and the influence of an excessive gap between the second blade 32 and the first blade 31 on the shearing effect is reduced. Further, the plurality of second saw teeth 321 are located below the plurality of first saw teeth 311, and the second blade 32 forms a plurality of cutting openings with the first blade 31 in the process of horizontally reciprocating, and when sundries such as hairs on the bristles 22 extend into the plurality of cutting openings, the second blade 32 forms a cutting action with the first blade 31 in the process of horizontally reciprocating, so as to cut the sundries such as hairs at the plurality of cutting openings. Further, both side surfaces of the second saw-tooth 321 and both side surfaces of the first saw-tooth 311 have a slope such that a sharp is formed between the second saw-tooth 321 and the first saw-tooth 311, thereby enabling the hair to be cut smoothly.
Further, the above embodiment illustrates that the plurality of second saw teeth 321 are disposed below the plurality of first saw teeth 311 when the rolling brush 20 rotates in the counterclockwise direction, and the plurality of second saw teeth 321 are disposed above the plurality of first saw teeth 311 when the rolling brush 20 rotates in the clockwise direction in other cases, which is within the scope of the present invention.
With continued reference to fig. 4, a first elastic element 39 contacting the rolling brush case 10 is disposed on the side of the second blade 32 facing away from the rolling brush 20, and the first blade 31 and the second blade 32 are abutted against each other under the elastic force of the first elastic element 39.
In the present embodiment, in order to reduce the influence of the excessive clearance between the second blade 32 and the first blade 31 on the shearing effect, the second blade 32 is pressed against the first blade 31 by the first elastic member 39, so that the second blade 32 is kept in a state of being abutted against the first blade 31 at all times when being horizontally reciprocated. Further, a guide rod is disposed on the side of the second blade 32 facing away from the rolling brush 20, the guide rod is slidably disposed on the rolling brush housing 10, a first elastic element 39 such as a spring is sleeved on the guide rod, and the spring always provides a pushing force to the first blade 31 for the second blade 32 in the sliding process of the guide rod relative to the rolling brush housing 10, so that the second blade 32 is tightly attached to the first blade 31.
It should be noted that, by providing the first elastic element 39 to provide the adhesion force between the second blade 32 and the first blade 31, as shown in fig. 5, the side of the second blade 32 facing the first blade 31 is provided with the magnetic element 39 'magnetically contacting the first blade 31, or the side of the first blade 31 facing the second blade 32 is provided with the magnetic element 39' magnetically contacting the second blade 31, and the second blade 32 is absorbed to the first blade 31 by the magnetic element 39', so that the adhesion effect between the second blade 32 and the first blade 31 can be achieved by the absorption force of the magnetic element 39'.
With continued reference to fig. 4 and 5, according to an embodiment of the present invention, both ends of the second blade 32 are provided with a second elastic member 38 contacting the roll brush housing 10, and the second blade 32 horizontally reciprocates under the combined action of the swing link 37 and the second elastic member 38.
In this embodiment, the second elastic element 38 may be an elastic element such as a spring or rubber, and the elastic force of the second elastic element 38 on the second blade 32 may increase the shearing force between the second blade 32 and the first blade 31, so as to improve the shearing effect of the blade assembly 30 on the sundries such as hair.
With continued reference to fig. 6 and 7, in accordance with one embodiment of the present invention, the blade assembly 30 further includes a reciprocating drive disposed on the roll brush housing in driving connection with the second blade 32, the reciprocating drive driving the second blade 32 in a horizontal reciprocating motion.
In this embodiment, the reciprocating drive means may be a wax motor or a combination of the drive motor 41 and a transmission mechanism. Specifically, according to one embodiment of the present invention, the reciprocating driving device includes a driving motor 41, a roller 42 and a lever 43, the roller 42 is disposed at an output end of the driving motor 41, a second corrugation groove 44 is disposed at an outer wall of the roller 42, one end of the lever 43 is disposed in the second corrugation groove 44, and the other end of the lever 43 is connected to the second blade 32.
It should be noted that, the rolling brush driving motor 33 drives the second blade 32 to horizontally reciprocate through the input shaft 35 and the transmission structure, and the reciprocating driving device drives the second blade 32 to horizontally reciprocate as well, so that the rolling brush driving motor 33 and the reciprocating driving device can cooperatively drive the second blade 32 only by setting the motion track of the rolling brush driving motor 33 and the motion track of the reciprocating driving device to be consistent, and the reciprocating driving device is matched with the rolling brush driving motor 33 to drive the second blade 32, so that the motion stability of the second blade 32 can be improved, and the blocking phenomenon of the second blade 32 in the process of horizontally reciprocating motion can be reduced.
With continued reference to fig. 1, the second aspect of the present invention also provides a vacuum cleaner 100, the vacuum cleaner 100 comprising a floor brush according to the first aspect of the present invention.
In this embodiment, the dust collector 100 includes an upright dust collector and a horizontal dust collector, the bottom of the dust collector 100 is provided with a rolling brush shell 10 with a rolling brush chamber, a dust collecting box communicated with the rolling brush chamber is further arranged in the dust collector 100, dust entering the rolling brush chamber is sucked into the dust collecting box under the suction force of a fan, and sundries such as hairs adhered to the rolling brush hairs 22 are sheared off from the rolling brush hairs 22 by the blade assembly 30 when passing through the blade assembly 30, so that the sundries such as hairs adhered to the rolling brush hairs 22 are reduced from affecting the normal operation of the dust collector 100. Further, the blade assembly 30 may be disposed at a dust suction port in the roll brush chamber communicating with the dust box, so that the cut hair may enter the dust box from the dust suction port.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911418443.1A CN113116217B (en) | 2019-12-31 | 2019-12-31 | Floor brushes and vacuum cleaners with them |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911418443.1A CN113116217B (en) | 2019-12-31 | 2019-12-31 | Floor brushes and vacuum cleaners with them |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113116217A CN113116217A (en) | 2021-07-16 |
| CN113116217B true CN113116217B (en) | 2026-01-02 |
Family
ID=76769199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911418443.1A Active CN113116217B (en) | 2019-12-31 | 2019-12-31 | Floor brushes and vacuum cleaners with them |
Country Status (1)
| Country | Link |
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| CN (1) | CN113116217B (en) |
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| WO2023040944A1 (en) * | 2021-09-16 | 2023-03-23 | 江苏美的清洁电器股份有限公司 | Cutting apparatus, cleaning device, cleaning base station, and cleaning system and method |
| CN115989968B (en) * | 2021-10-18 | 2025-12-16 | 宁波富佳实业股份有限公司 | Driving structure reusable hair cutting rolling brush and cleaning device |
| KR20230108959A (en) * | 2022-01-12 | 2023-07-19 | 삼성전자주식회사 | Vacuum cleaner |
| KR20240050871A (en) * | 2022-10-12 | 2024-04-19 | 삼성전자주식회사 | Vaccum cleaner |
| CN218899300U (en) * | 2022-11-17 | 2023-04-25 | 江苏美的清洁电器股份有限公司 | Hair cutting assembly and cleaning device |
| JP2025537825A (en) * | 2022-11-17 | 2025-11-20 | 江蘇美的清潔電器股▲ふん▼有限公司 | Hair cutting assembly, cleaning device and cutting control method |
| CN116458802A (en) * | 2023-05-04 | 2023-07-21 | 苏州市春菊电器有限公司 | Hair winding prevention structure of dust collector floor brush |
| CN117297444B (en) * | 2023-10-24 | 2025-10-21 | 中山联合光电科技股份有限公司 | Anti-entanglement roller brush, roller brush mechanism and sweeping robot |
| WO2025190356A1 (en) * | 2024-03-13 | 2025-09-18 | 宁波富佳实业股份有限公司 | Modular hair cutting assembly for roller brush, and surface cleaning device |
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2019
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| CN107595199A (en) * | 2017-09-08 | 2018-01-19 | 宁波富佳实业有限公司 | Drum assembly comprising elastic supporting mechanism and the dust catcher comprising the drum assembly |
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| CN211796205U (en) * | 2019-12-31 | 2020-10-30 | 江苏美的清洁电器股份有限公司 | Floor brush and vacuum cleaner having the same |
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