US20230157504A1 - Cleaning device - Google Patents

Cleaning device Download PDF

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Publication number
US20230157504A1
US20230157504A1 US17/912,528 US202117912528A US2023157504A1 US 20230157504 A1 US20230157504 A1 US 20230157504A1 US 202117912528 A US202117912528 A US 202117912528A US 2023157504 A1 US2023157504 A1 US 2023157504A1
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United States
Prior art keywords
roller brush
ground
waste
scraping
waste collection
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Pending
Application number
US17/912,528
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English (en)
Inventor
Jing Jia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Newstart Controls Technology Co ltd
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Wuxi Newstart Controls Technology Co ltd
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Assigned to WUXI NEWSTART CONTROLS TECHNOLOGY Co.,Ltd. reassignment WUXI NEWSTART CONTROLS TECHNOLOGY Co.,Ltd. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JIA, Jing
Publication of US20230157504A1 publication Critical patent/US20230157504A1/en
Pending legal-status Critical Current

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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
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/292—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4058—Movement of the tools or the like perpendicular to the cleaning surface for adjusting the height of the tool
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits
    • 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
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • 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
    • A47L9/0477—Rolls
    • 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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads
    • A47L9/0626—Rigidly anchored lips, e.g. nozzles adapted for picking up liquids
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3033—Household brush, i.e. brushes for cleaning in the house or dishes

Definitions

  • the present invention relates to the cleaning field, and in particular, to a cleaning device.
  • Cleaning devices are necessary tools in people's daily life. There are many types of cleaning devices, mainly including mops, brooms, vacuum cleaners, sweeping robots, etc.
  • An objective of the present invention is to provide a cleaning device, which significantly avoids or reduces waste omission and effectively improves a cleaning effect of a composite sweeping and mopping function through a specific design combination of a roller brush and a cleaning guiding path.
  • the present invention uses the following technical solutions:
  • a cleaning device includes a roller brush mounted on a housing and capable of reaching rolling contact with a ground, where the housing is integrally or separately provided with a waste collection region, the waste collection region is provided with a collection inlet corresponding to the roller brush, and waste brought up by the rolling contact is collected into the waste collection region under a rotating action of the roller brush; and the housing is provided with one or more scraping guides connected to the collection inlet, and each scraping guide reaches flexible pressure contact with the roller brush or the ground, and is configured to scrape off residual waste absorbed by the roller brush or residual waste on the ground and transfer the residual waste to the waste collection region, to reduce or avoid waste omission.
  • the roller brush correspondingly matches the housing to form a roller brush scraping guide connected to the collection inlet, and the roller brush scraping guide is configured to scrape off the residual waste absorbed by the roller brush and transfer the residual waste to the waste collection region; and the roller brush scraping guide includes a roller brush scraper located on the housing and reaching flexible pressure contact with the roller brush, the roller brush scraper is provided with a liquid storage space, and the liquid storage space is connected to the waste collection region through a drainage path.
  • the roller brush scraper is separately mounted and connected to the housing, and a distance between the roller brush scraper and the roller brush is capable of being adjusted through a lifting motion, to adjust a flexible pressure contact effect between the roller brush scraper and the roller brush and meet cleaning requirements under different cleaning conditions; where the distance between the roller brush scraper and the roller brush is increased under a sweeping condition to be beneficial to a ground sweeping effect of the roller brush, and the distance between the roller brush scraper and the roller brush is reduced under a mopping condition to be beneficial to a ground mopping effect.
  • the liquid storage space includes a liquid storage and drainage groove connected to the drainage path, the liquid storage and drainage groove is provided with several scraping holes, and through the flexible pressure contact between the roller brush scraper and the roller brush, each of the scraping holes scrapes off the residual waste absorbed by the roller brush and transfers the residual waste to the liquid storage and drainage groove; or the liquid storage space includes a liquid storage cavity plate with a liquid storage cavity, the liquid storage cavity plate is provided with several scraping holes, and through the flexible pressure contact between the roller brush scraper and the roller brush, each of the scraping holes scrapes off the residual waste absorbed by the roller brush and transfers the residual waste to the water storage cavity plate.
  • the roller brush correspondingly matches the housing to form a ground scraping guide connected to the collection inlet, and the ground scraping guide is configured to scrape off the residual waste on the ground and transfer the residual waste to the waste collection region through a rotary motion of the roller brush; and the ground scraping guide includes a ground scraping bar and a guide surface separately located on the housing, the ground scraping bar reaches flexible pressure contact with the ground, and the guide surface is connected to the collection inlet.
  • the ground scraping bar extends obliquely in a direction of the roller brush, and the ground scraping bar is mounted on the guide surface in a relatively swinging mode to adjust resistance on flexible pressure contact between the ground scraping bar and the ground.
  • a water collection stand is formed among the ground scraping bar and two ends of the guide surface, two ends of the ground scraping bar each are provided with a protruding portion to form a recessed backflow collection region located in the middle, and waste in the recessed backflow collection region is transferred to the waste collection region through the rotary motion of the roller brush.
  • the housing is provided with a roller brush scraping guide and a ground scraping guide that are connected to the collection inlet and are located respectively above and below the collection inlet.
  • the roller brush scraping guide reaches flexible pressure contact with the roller brush, and is configured to scrape off the residual waste absorbed by the roller brush or the residual waste on the ground and transfer the residual waste to the waste collection region; and the ground scraping guide reaches pressure contact with the ground, and is configured to scrape off the residual waste on the ground and transfer the residual waste to the waste collection region.
  • a directional closed-loop cleaning path is formed among the ground, the roller brush, and the waste collection region through linked scraping by the roller brush scraping guide and the ground scraping guide, to reduce or avoid waste omission.
  • a receiving and flow guiding groove connected to the scraping guide is provided at a bottom portion of the housing, and is configured to receive liquid drops dropped when the roller brush rotates, and the liquid in the receiving and flow guiding groove is transferred to the waste collection region by the scraping guide.
  • the roller brush includes a driving roller driven by a drive and relatively rotatably mounted on the housing, and a periphery of the driving roller is wrapped with a flexible roller brush for flexible contact with the ground, where materials of the flexible roller brush include at least two types of cleaning fibers with unequal water absorbencies, the cleaning fibers with a high water absorbency facilitate removal of liquid waste on the ground, and the cleaning fibers with a low water absorbency facilitate removal of solid waste on the ground.
  • the water absorbency herein refers to a ratio of a volume or mass of water absorbable by cleaning fibers per unit mass or volume to a volume or mass of the cleaning fibers, which is common knowledge in the art.
  • the present invention has the following advantages and beneficial effects.
  • rolling contact between a roller brush and a ground is first used, so that waste on the ground is brought up by the roller brush in a rotary motion state through negative pressure adsorption, and is transferred to a waste collection region corresponding to the roller brush under a centrifugal force effect generated when the roller brush rotates.
  • a directional waste collection function under the centrifugal force effect is relatively poor, which leads to more waste omission.
  • a scraping guide connected to a collection inlet is innovatively proposed, and the scraping guide reaches flexible pressure contact with the roller brush or the ground to scrape off residual waste absorbed by the roller brush or residual waste residual waste on the ground and transfer the residual waste to the waste collection region.
  • Such implementation can significantly reduce or avoid waste omission, effectively improve a cleaning effect of a composite sweeping and mopping function, is finally easily and widely accepted by mass consumers, and brings good cleaning experience.
  • a roller brush scraping guide and a ground scraping guide respectively arranged on upper and lower portions are further preferably proposed.
  • a directional closed-loop cleaning path is formed among the ground, the roller brush, and the waste collection region through linked scraping by the roller brush scraping guide and the ground scraping guide.
  • FIG. 1 is a schematic diagram of an appearance structure of a cleaning device 1 in Embodiment 1 of the present invention
  • FIG. 2 is a schematic diagram of a structure obtained after rotating FIG. 1 by a certain angle
  • FIG. 3 is a sectional view of a roller brush part in Embodiment 1 of the present invention.
  • FIG. 4 is an exploded view of FIG. 1 ;
  • FIG. 5 is a schematic diagram of a mounting structure of an upper mounting housing 11 a in Embodiment 1 of the present invention.
  • FIG. 6 is an enlarged view of a position A in FIG. 5 ;
  • FIG. 7 is a schematic diagram of a structure obtained after rotating FIG. 5 by a certain angle
  • FIG. 8 is a sectional view of a waste collection box 3 in Embodiment 1 of the present invention.
  • FIG. 9 is a schematic diagram of a mounting structure of a liquid sprayer 6 in Embodiment 1 of the present invention.
  • FIG. 10 is a sectional view of a liquid sprayer 6 in Embodiment 1 of the present invention.
  • FIG. 11 is a schematic diagram of a mounting structure of a ground nozzle 64 in Embodiment 1 of the present invention.
  • FIG. 12 is a schematic diagram of a structure of a lower mounting housing 11 b in Embodiment 1 of the present invention.
  • FIG. 13 is an enlarged view of a position B in FIG. 12 ;
  • FIG. 14 is a schematic diagram of a local sectional structure of a cleaning device 1 ′ in Embodiment 2 of the present invention.
  • FIG. 15 is an enlarged view of a position C in FIG. 14 .
  • cleaning device 1 mounting housing 11 , upper mounting housing 11 a , lower mounting housing 11 b , torsion head 12 , handle 13 , convex rib 15 a , limiting mounting groove 15 b , cleaning mop 16 , main roller assembly 17 a , auxiliary roller assembly 17 b , receiving and flow guiding groove 18 , roller brush 2 , driving roller 2 a , flexible roller brush 2 b , waste collection box 3 , collection inlet 31 , liquid waste collection region 32 , liquid waste collection box side plate 32 a , liquid anti-overflow limiting portion 32 b , outwardly extending protruding stand 32 c , solid waste collection region 33 , solid waste collection box side plate 33 a , solid anti-overflow limiting portion 33 b , filter partition 34 , groove 34 a , filter hole 34 b , cover plate 35 , roller brush scraping guide 4 , ground scraping guide 5 , roller brush scraper 41 , liquid storage and drainage groove 42 ,
  • a cleaning device 1 includes a roller brush 2 mounted on a housing and capable of reaching rolling contact with the ground, and the housing includes a mounting housing 11 for mounting the roller brush 2 .
  • the mounting housing 11 is integrally assembled by using an upper mounting housing 11 a and a lower mounting housing 11 b .
  • the lower mounting housing 11 b moves on a ground by using a main roller assembly 17 a and an auxiliary roller assembly 17 b , thereby avoiding or reducing frictional contact between the roller brush 2 and the ground.
  • the mounting housing 11 is integrally mounted and connected to a handle 13 by using a torsion head 12 .
  • the mounting housing 11 is integrally or separately provided with a waste collection region.
  • a waste collection box 3 is used in the waste collection region and can be directly clamped on the mounting housing 11 to facilitate actual operation and use such as disassembly, waste cleanup, and waste box cleaning by a user.
  • the waste collection box 3 is provided with a collection inlet 31 corresponding to the roller brush 2 , and waste brought up by rolling contact is collected into the waste collection box 3 under a rotating action of the roller brush 2 .
  • the waste collection region is not limited to being located in the mounting housing 11 .
  • a person skilled in the art may dispose the waste collection region in another area of the housing based on actual mounting requirements.
  • the handle 13 may also be used as a part of the housing, and the handle 13 is provided with the waste collection region.
  • the roller brush 2 includes a driving roller 2 a driven by a drive and relatively rotatably mounted on the mounting housing 11 , and a periphery of the driving roller 2 a is wrapped with a flexible roller brush 2 b for flexible contact with the ground.
  • the driving roller 2 a is driven by a drive 7 composed of a motor 71 and a pulley 72 , and two ends of the driving roller 2 a are detachably mounted at an output end of the pulley and the mounting housing 11 , respectively.
  • a specific mounting structure may be implemented by using conventional technical means in the art.
  • Materials of the flexible roller brush 2 b include at least two types of cleaning fibers with unequal water absorbencies, the cleaning fibers with a high water absorbency are mainly used to remove liquid waste on the ground, and the cleaning fibers with a low water absorbency are mainly used to remove solid waste on the ground.
  • the cleaning fibers with a high water absorbency may be cotton fibers or fibers with a similar water absorbency, which is usually 1.5-3, more preferably 1.5-2.
  • the cleaning fibers with a low water absorbency may be polyester fibers, with a water absorbency usually not greater than 1.5.
  • the cleaning fibers have a fluff length ranging from 15 mm to 30 mm.
  • the cleaning fibers with a low water absorbency have a fluff length greater than that of the cleaning fibers with a low water absorbency, and a length difference may be set to 1-2 mm.
  • the cleaning fibers with a high water absorbency and the cleaning fibers with a low water absorbency are distributed alternately and spirally on the driving roller 2 a .
  • a ratio of a distribution area of the cleaning fibers with a high water absorbency to a distribution area of the cleaning fibers with a low water absorbency on the flexible roller brush 2 b ranges from 1:(0.5-2.5), and a specific area ratio may be selected based on cleaning needs in specific applications. These are not taken as limitations to this embodiment.
  • water in fluff of each cleaning fiber on the roller brush 2 can be fully thrown out by a centrifugal force, and it is not easy to leave residual water. After cleaning and use, the fluff of the cleaning fibers on the roller brush 2 can also be dried quickly, thereby avoiding bacterial breeding caused by overwetting.
  • the mounting housing 11 is provided with one or more scraping guides connected to the collection inlet 31 , and each scraping guide reaches flexible pressure contact with the roller brush 2 or the ground, and is configured to scrape off residual waste absorbed by the roller brush 2 or residual waste on the ground and transfer the residual waste to the waste collection box 3 , to reduce or avoid waste omission.
  • the mounting housing 11 is provided with a roller brush scraping guide 4 and a ground scraping guide 5 that are connected to the collection inlet 31 and are located above and below the collection inlet 31 , respectively.
  • the roller brush scraping guide 4 reaches flexible pressure contact with the roller brush 2 , and is configured to scrape off the residual waste absorbed by the roller brush 2 or the residual waste on the ground and transfer the residual waste to the waste collection box 3 .
  • the ground scraping guide 5 reaches pressure contact with the ground, and is configured to scrape off the residual waste on the ground and transfer the residual waste to the waste collection box 3 .
  • a directional closed-loop cleaning path is formed among the ground, the roller brush 2 , and the waste collection box 3 through linked scraping by the roller brush scraping guide 4 and the ground scraping guide 5 , to reduce or avoid waste omission to the greatest extent.
  • the roller brush 2 correspondingly matches the mounting housing 11 to form a roller brush scraping guide 4 connected to the collection inlet 31 , and the roller brush scraping guide 4 is configured to scrape off the residual waste absorbed by the roller brush 2 and transfer the residual waste to the waste collection box 3 .
  • the roller brush scraping guide 4 includes a roller brush scraper 41 located on the mounting housing 11 and reaching flexible pressure contact with the roller brush 2 , the roller brush scraper 41 is provided with a liquid storage space, and the liquid storage space is connected to the waste collection box 3 through a drainage path.
  • the roller brush scraper 41 is arc-shaped, and the roller brush scraper 41 may be integrally connected to the mounting housing 11 or may be separately mounted and connected to the mounting housing 11 . No particular limitation is imposed in this embodiment.
  • the roller brush scraper 41 come into interference with the cleaning fibers of the roller brush 2 .
  • an amount of interference between the roller brush scraper 41 and short fluff of the cleaning fibers is 0.5-2 mm.
  • the amount of interference is excessively high, the fluff of the cleaning fibers of the roller brush 2 is likely to clump together, and a fluffy state of the cleaning fibers of the roller brush 2 cannot be ensured, resulting in a gap between the cleaning fibers and the ground, and making it impossible to effectively clean out waste on the ground.
  • the amount of interference is excessively low, an amount of contact between the roller brush scraper 41 and the cleaning fibers of the roller brush 2 is excessively small, leading to a low water scraping effect.
  • the liquid storage space includes a liquid storage and drainage groove 42 connected to the drainage path, the liquid storage and drainage groove 42 is provided with several scraping holes 43 , and through the flexible pressure contact between the roller brush scraper 41 and the roller brush 2 , each of the scraping holes scrapes off the residual waste absorbed by the roller brush 2 and transfers the residual waste to the liquid storage and drainage groove 42 .
  • the liquid storage space may alternatively include a liquid storage cavity plate (not shown in the figure) with a liquid storage cavity, the liquid storage cavity plate is provided with several scraping holes 43 , and through the flexible pressure contact between the roller brush scraper 41 and the roller brush 2 , each of the scraping holes 43 scrapes off the residual waste absorbed by the roller brush 2 and transfers the residual waste to the water storage cavity plate.
  • a structural design of the liquid storage cavity plate can have a better liquid storage effect and avoid water leakage. Certainly, this may lead to liquid waste residue on the liquid storage cavity plate.
  • a person skilled in the art may select a specific implementation solution based on actual requirements.
  • the scraping holes 43 are provided corresponding to the roller brush 2 .
  • the scraping holes 43 each may have a diameter range of 0.5-2 mm, and are inclined downward, to ensure that water flowing into the scraping holes 43 does not easily back flow.
  • the drainage path includes a drainage groove 44 located in the mounting housing 11 , an inlet of the drainage groove 44 communicates with one or two sides of the liquid storage and drainage groove 42 , and an outlet thereof communicates with the waste collection box 3 .
  • a plurality of scraper convex ribs are distributed on a surface that is of the roller brush scraper 41 and that faces the roller brush 2 . Such implementation can further improve water scraping efficiency and ensure the fluffy state of the cleaning fibers of the roller brush 2 .
  • a height of the scraper convex ribs may be set to 0.2-1 mm.
  • the roller brush 2 correspondingly matches the mounting housing 11 to form a ground scraping guide 5 connected to the collection inlet 31 , and the ground scraping guide 5 is configured to scrape off the residual waste on the ground and transfer the residual waste to the waste collection box 3 through a rotary motion of the roller brush 2 .
  • the ground scraping guide 5 includes a ground scraping bar 51 and a guide surface 52 separately located on the mounting housing 11 , the ground scraping bar 51 reaches flexible pressure contact with the ground, and the guide surface 52 is connected to the collection inlet 31 .
  • the ground scraping bar 51 extends obliquely in a direction of the roller brush 2 .
  • the ground scraping bar 51 may be a rubber scraping bar, with a front end designed in a shape of a wedge obliquely extending in the direction of the roller brush 2 .
  • the ground scraping bar 51 has a Shore A hardness of 40-80, more preferably 45-70.
  • Such implementation can ensure that when the front end of the ground scraper bar 51 reaches contact with the ground, the wedge-shaped part is properly deformed to make the flexible contact between the ground scraping bar and the ground closer, and after the roller brush 2 sweeps the waste on the ground, a sewage film left on the ground can be pushed forward into a mass.
  • the sewage is collected into the waste collection box 3 without causing water residue on the ground after the cleaning is completed, to significantly improve a sewage collection rate, thereby achieving an effect of scraping off the waste left on the ground.
  • the cleaning device 1 When the user is pushing the cleaning device forward, if the ground scraping bar 51 cannot swing relative to the guide surface 52 , due to a large stress surface, especially due to tension of a water film formed by the ground sewage, the stress center of the ground scraping bar 51 is located in the front of the cleaning device 1 , and it is relatively difficult for the user to push the cleaning device 1 forward. To overcome relatively high forward resistance, the cleaning device 1 moves forward unobviously up and down, which leads to a poor water scraping effect of the ground scraping bar 51 , and the residual water film is still relatively thick.
  • the ground scraping bar 51 is mounted on the guide surface 52 in a relatively swinging mode, to adjust resistance on flexible pressure contact between the ground scraping bar 51 and the ground, so that the resistance is smaller.
  • ground scraping bar 51 may be directly mounted on the guide surface 52 , or an indirect mounting relationship may be used (i.e., there is no direct mounting and connection relationship between the ground scraping bar 51 and the guide surface 52 ), as long as it is ensured that the ground scraping bar 51 can swing relative to the guide surface 52 .
  • Such implementation usually can be used to adjust the resistance on the flexible pressure contact between the ground scraping bar 51 and the ground.
  • a water collection stand 53 is formed between the ground scraping bar 51 and two ends of the guide surface 52 .
  • fluff of the cleaning fibers of the flexible roller brush 2 b cannot fill the two ends, because excessive fluff of the cleaning fibers may cause rotation and winding on two sides of the cleaning device 1 .
  • two ends of the ground scraping bar 51 each are provided with a protruding portion 54 to form a recessed backflow collection region 55 located in the middle, and various types of solid or liquid waste in the recessed backflow collection region 55 are thrown (transferred) to the waste collection box 3 through the rotary motion of the roller brush 2 .
  • the guide surface 52 of this embodiment may also be referred to as a centrifugal dirt-removing surface, and is arranged opposite to the roller brush 2 . Because the protruding portions 54 are arranged at the two ends of the ground scraping bar 51 , the recessed backflow collection region 55 with two high sides and a low middle is formed. During operation, sewage at the two ends of the water collection stand 53 is gathered toward the middle through the recessed backflow collection region 55 , and is cleaned by the roller brush 2 again, thereby avoiding forming two sewage marks on the two sides of the cleaning device 1 and improving a cleaning effect.
  • the bottom of the lower mounting housing 11 b is provided with a receiving and flow guiding groove 18 connected to the guide surface 52 , the receiving and flow guiding groove 18 is located below the roller brush 2 and is connected to two sides of the guide surface 52 to form a closed receiving and flow guiding groove structure, which is configured to receive liquid drops dropped when the roller brush 2 rotates (including receiving liquid drops dropped when the roller brush scraping guide 4 reaches flexible pressure contact with the roller brush 2 ).
  • the guide surface 52 of the ground scraping guide 5 throws the sewage in the receiving and flow guiding groove into the waste collection box 3 again.
  • the waste collection box 3 includes a lower liquid waste collection region 32 and an upper solid waste collection region 33 that are separated from each other, where the solid waste collection region 32 is provided with the collection inlet 31 corresponding to the roller brush 2 , and a filter partition 34 is arranged between the solid waste collection region 32 and the liquid waste collection region 33 .
  • the filter partition 34 is provided with one or more rows of grooves 34 a , and several filter holes 34 b distributed at intervals are provided in the grooves 34 a .
  • a solid waste collection box with the collection inlet 31 is used in the solid waste collection region 32
  • a liquid waste collection box is used in the liquid waste collection region 33 .
  • the solid waste collection box and the liquid waste collection box are mounted and connected into a whole.
  • the filter partition 34 is used at the bottom of the solid waste collection box
  • a cover plate 35 of the solid waste collection box is a detachable cover plate that can be selectively opened.
  • the user may first take out the solid waste collection box and dump the dry waste collected in the solid waste collection box into a waste bin, and then dump the liquid waste collected in the liquid waste collection box into a pool for discharge.
  • the cleaning device 1 is usually provided with a torsion head 12 , the user may lift the whole cleaning device 1 during daily use.
  • Such implementation causes the handle 13 and the mounting housing 11 with the roller brush 2 to be horizontal and perpendicular, so that the collection inlet 31 of the waste collection box 3 is horizontal, and various types of waste in the solid waste collection box and the liquid waste collection box may leak or overflow, resulting in pollution to the ground and the cleaning device body.
  • the solid waste collection box includes a solid waste collection box side plate 33 a located on a side of the collection inlet 31 , the solid waste collection box side plate 33 a is provided with a solid anti-overflow limiting portion 33 b obliquely extending to the inside of the solid waste collection box, and the solid anti-overflow limiting portion 33 b is located below the collection inlet 31 .
  • the liquid waste collection box includes a liquid waste collection box side plate 32 a located on a side of the collection inlet 31 , and the liquid waste collection box side plate 32 a is hermetically sleeved outside the solid waste collection box side plate 33 a .
  • the liquid waste collection box side plate 32 a is provided with a liquid anti-overflow limiting portion 32 b obliquely extending to the inside of the liquid waste collection box, and the liquid anti-overflow limiting portion 32 b is located below the filter partition 34 .
  • the solid anti-overflow limiting portion 33 b and the liquid anti-overflow limiting portion 32 b may specifically have a shape of a plate rib, and can separately and effectively prevent waste from overflowing from the collection inlet 31 .
  • an end portion of the liquid waste collection box side plate 32 a is provided with an outwardly extending protruding stand 32 c located outside the collection inlet 31 , and the outwardly extending protruding stand 32 c is in guided connection to a lower end of the collection inlet 31 .
  • the bottom of the liquid waste collection box is provided with a mop mounting region, and a cleaning mop 16 that can reach contact with the ground is arranged in the mop mounting region.
  • a structure of a limiting mounting groove 15 b formed by convex ribs 15 a is used in the mop mounting region.
  • the cleaning mop 16 is made of fluff fibers, and the convex ribs 15 a are made of rubber.
  • an extremely thin water film left on the ground after ground cleaning by the roller brush 2 may be wiped out and absorbed by using the cleaning mop 16 in the limiting mounting groove 15 b , so that the cleaned ground can be quickly dried, avoiding a possible risk of falling of the user caused by an excessively slippery ground, and it is convenient for the user to pick, place, and clean the cleaning mop.
  • the rubber convex ribs 15 a around the limiting mounting groove 15 b may be used as squeezing ribs, and have a shore A hardness of 50-100, so that after dumping wet waste, the user can conveniently press the liquid waste collection box on a wall of a water pool to squeeze out water and keep the cleaning mop dry.
  • the cleaning mop 16 is preferably made of a flannelette material with a water absorbency of 1.1-1.5. Such implementation can ensure absorption of the residual water film on the ground, and can prevent the cleaning mop 16 from absorbing excessive water, which causes drying difficulty and bacterial breeding.
  • This embodiment further proposes a liquid sprayer 6 of the cleaning device 1 , which is mounted on the mounting housing 11 of the cleaning device 1 .
  • the liquid sprayer 6 includes a liquid storage region for storing a cleaning liquid, and a liquid storage box is specifically used in the liquid storage region.
  • the liquid storage box 61 selectively sprays the cleaning liquid onto the ground and/or the roller brush 2 by using an electric pump 67 (or a mechanical pump in another embodiment), and an outlet of the liquid storage box 61 is provided with a valve body 62 that is in driving connection to the mechanical pump or the electric pump.
  • the mechanical pump or the electric pump is connected to at least one nozzle through a liquid spray pipeline 63 , and the cleaning liquid is sprayed on the ground and/or the roller brush 2 through the nozzle.
  • the liquid storage box 61 is mounted on the handle 13 , specifically in the front of the handle 13 , and the nozzle is mounted on the mounting housing 11 .
  • the liquid spray pipeline 63 runs through the torsion head 12 and then is connected to the nozzle.
  • the liquid spray pipeline 63 is led from the upper handle 13 to a front end of the lower mounting housing 11 , instead of being directly arranged on the lower mounting housing 11 , thereby facilitating disassembly and assembly of the liquid storage box 61 by the user.
  • the liquid spray pipeline 63 is routed and mounted in a closed structure, and therefore is not exposed to the outside or easily collided, facilitating overall aesthetics of the cleaning device 1 .
  • the liquid storage box 61 is arranged in the front of the handle 13 .
  • Such implementation can allow the center of gravity of the handle 13 to move forward and maintain a standing state of the handle 13 , thereby avoiding a risk that the handle-type cleaning device 1 is prone to fall down.
  • the liquid sprayer 6 includes a ground nozzle 64 for spraying the cleaning liquid to the ground and a roller brush nozzle (not shown in the figure) for spraying the cleaning liquid to the roller brush 2
  • the liquid spray pipeline 63 includes a ground liquid spray pipe branch 63 a connected to the ground nozzle 64 and a roller brush pipe branch (not shown in the figure) connected to the roller brush nozzle.
  • the cleaning device 1 of this embodiment can wet the cleaning fibers on the roller brush 2 through the roller brush nozzle when cleaning a ground with heavy-duty waste such as dark soy sauce and tomato sauce, and under actions of a rotating centrifugal force of the roller brush 2 and the roller brush scraper 41 , contaminated cleaning fibers on the roller brush 2 can be continuously cleaned, so that the roller brush 2 is quickly self-cleaned.
  • the ground nozzle 64 is arranged corresponding to the ground
  • the roller brush nozzle is arranged corresponding to the roller brush 2
  • the ground nozzle 64 and the roller brush nozzle are separately mounted on the mounting housing 11 .
  • the liquid spray pipeline 63 runs through the torsion head and then is connected to the ground nozzle 64 and the roller brush nozzle, that is, the ground nozzle 64 and the roller brush nozzle are connected to corresponding liquid storage boxes 61 respectively through the liquid spray pipeline 63 .
  • the ground nozzle 64 or the roller brush nozzle may be provided alone, and may be independently implemented to obtain positive effects.
  • independent liquid spray pipelines and liquid storage boxes may also be selected for the ground nozzle 64 and the roller brush nozzle based on actual needs.
  • the mounting housing 11 located at a front end of the roller brush 2 is provided with a spray port 66 for inserting the ground nozzle 64 , and the ground nozzle 64 sprays the cleaning liquid (usually water) onto the ground, to prevent or reduce the spraying of the cleaning liquid on the mounting housing 11 .
  • the roller brush nozzle is mounted on the mounting housing 11 and arranged correspondingly to the roller brush 2 , and the roller brush nozzle sprays the cleaning liquid onto the roller brush 2 for self-cleaning of the roller brush 2 .
  • the ground nozzle 64 is mounted at the front end of the roller brush 2 , is close to the ground, and has a low height.
  • the ground nozzle 64 is flat and inclined, which facilitates downward spraying of water in a sector shape, and makes the sprayed water flow more uniform.
  • the ground nozzle 64 is provided in an inclined shape, and an included angle between the ground nozzle 64 and a horizontal plane is not greater than 30°, preferably 5-20°, and most preferably 15°, to ensure a better spray and atomization effect of the water flow, and avoid spraying too far away and wetting indoor appliances.
  • the roller brush 2 is relatively rotatably mounted on the mounting housing 11 by using the drive 7 composed of the motor 71 and the pulley 72 , and can reach rolling contact with the ground.
  • the motor 71 specifically uses a battery 73 as a power supply, and the motor 71 and the battery 73 are mounted on two sides of the mounting housing 11 , respectively.
  • the liquid spray pipeline 63 is close to a side, of the mounting housing 11 , on which the battery 73 is mounted.
  • the liquid spray pipeline 63 passes through the side of the battery 73 rather than the side of the motor 71 .
  • Such implementation ensures safety of the cleaning device 1 , and can achieve an effect of cooling the battery 73 to a certain extent, thereby prolonging a service life of the battery 73 .
  • the liquid spray pipeline 63 includes a supporting and shaping liquid spray pipe section 63 b wound around a periphery of the waste collection box 3 , and the supporting and shaping liquid spray pipe section 63 b is separately connected to the ground liquid spray pipe branch 63 a and the roller brush pipe branch.
  • Such implementation can improve and simplify the structural designs of the ground liquid spray pipe branch 63 a and the roller brush pipe branch, and ensure mounting and supporting strength of each pipe branch.
  • Embodiment 2 when the amount of interference between the roller brush scraper 41 and the cleaning fibers on the roller brush 2 is excessively high under a sweeping condition, the cleaning fibers on the roller brush 2 become flaky after being wetted, leading to a small dust holding capacity of the fluff of the cleaning fibers, which is not beneficial to an effect of cleaning out the waste on the ground. Moreover, when a mopping condition is performed upon completion of the sweeping condition, the amount of interference between the roller brush scraper 41 and the cleaning fibers on the roller brush 2 in Embodiment 1 can be increased.
  • Embodiment 2 a cleaning device 1 ′ is proposed, and the technical solutions are the same as those in Embodiment 1 except the following. Further referring to FIG. 14 and FIG.
  • the roller brush scraper 41 is separately mounted and connected to the mounting housing 11 , and a distance between the roller brush scraper 41 and the roller brush 2 can be adjusted through a lifting motion, so that an effect of flexible pressure contact between the roller brush scraper 41 and the roller brush 2 is adjusted to meet cleaning requirements under different cleaning conditions.
  • Increasing the distance between the roller brush scraper 41 and the roller brush 2 under a sweeping condition is beneficial to a ground sweeping effect of the roller brush 2
  • reducing the distance between the roller brush scraper 41 and the roller brush 2 under a mopping condition is beneficial to a ground mopping effect.
  • Embodiment 2 further proposes the following specific structure to implement adjustment of the distance between the roller brush scraper 41 and the roller brush 2 .
  • the mounting housing 11 includes a roller brush cover plate 11 c mounted in a split mode.
  • the roller brush scraper 41 is arranged on an inner side of the roller brush cover plate 11 c .
  • the roller brush cover plate 11 c is capable of performing a lifting motion relative to the mounting housing 11 , and the lifting motion adjusts the distance between the roller brush scraper 41 and the roller brush 2 , to adjust the effect of flexible pressure contact between the roller brush scraper 41 and the roller brush 2 and meet cleaning requirements under different cleaning conditions.
  • a cover plate drive 8 is mounted between the roller brush cover plate 11 c and the mounting housing 11 , and the roller brush cover plate 11 c is capable of performing a lifting motion relative to the mounting housing 11 by using the cover plate drive 8 , and the lifting motion adjusts a distance between the roller brush cover plate 11 c and the roller brush 2 .
  • the cover plate drive 8 is a mechanical drive.
  • the mechanical drive includes a limiting protruding stand 81 fixedly mounted at a lower end of the roller brush cover plate 11 c , and the mounting housing 11 is provided with a limiting sliding groove 82 into which the limiting protruding stand 81 is selectively limited and inserted.
  • the limiting protruding stand 81 is provided with limiting teeth 81 a
  • the bottom of the limiting sliding groove 82 is provided with a limiting groove 82 a
  • a spring 83 is arranged between the limiting teeth 81 a and the limiting groove 82 a .
  • the spring 83 is stressed and compressed to drive the limiting teeth 81 a to move downward until the limiting protruding stand 81 of the roller brush cover plate 11 c is limited and inserted into the limiting sliding groove 82 .
  • the limiting teeth 81 a are clamped into the limiting groove 82 a .
  • the distance between the roller brush scraper 41 and the roller brush 2 is reduced, and the cleaning device is under the mopping condition.
  • the roller brush cover plate 11 c is pressed downward again, and in this case, the limiting protruding stand 81 is no longer limited and inserted into the limiting sliding groove 82 , and the spring 83 is reset.
  • the limiting teeth 81 a and the limiting groove 82 a are disengaged from the clamped state.
  • the distance between the roller brush scraper 41 and the roller brush 2 is increased, and the cleaning device is under the sweeping condition.
  • a distance adjustment range implemented by the foregoing mechanical drive may be 1-3 mm, and may be specifically selected based on actual cleaning requirements. No particular limitation is imposed in this embodiment.
  • the cover plate drive 8 may be an electric drive or an electromagnetic coil drive, as long as the distance between the roller brush scraper 41 and the roller brush 2 is adjusted.
  • a person skilled in the art can make conventional technical alternatives for the cover plate drive 8 on the basis of this technical idea. These alternatives all fall within the protection concept scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
US17/912,528 2020-05-19 2021-05-11 Cleaning device Pending US20230157504A1 (en)

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CN202010422172.3A CN111543892A (zh) 2020-05-19 2020-05-19 一种清洁设备
PCT/CN2021/093166 WO2021233166A1 (zh) 2020-05-19 2021-05-11 一种清洁设备

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