WO2024139711A1 - Dispositif de nettoyage automatique - Google Patents

Dispositif de nettoyage automatique Download PDF

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Publication number
WO2024139711A1
WO2024139711A1 PCT/CN2023/129344 CN2023129344W WO2024139711A1 WO 2024139711 A1 WO2024139711 A1 WO 2024139711A1 CN 2023129344 W CN2023129344 W CN 2023129344W WO 2024139711 A1 WO2024139711 A1 WO 2024139711A1
Authority
WO
WIPO (PCT)
Prior art keywords
brush
roller brush
shaft
roller
cleaning
Prior art date
Application number
PCT/CN2023/129344
Other languages
English (en)
Chinese (zh)
Other versions
WO2024139711A9 (fr
Inventor
刘明
成盼
林翔
李行
周志威
周永飞
Original Assignee
北京石头世纪科技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN202211736856.6A external-priority patent/CN116998955A/zh
Priority claimed from CN202211734557.9A external-priority patent/CN116998954A/zh
Priority claimed from CN202211740301.9A external-priority patent/CN116998959A/zh
Priority claimed from CN202211739794.4A external-priority patent/CN116998957A/zh
Priority claimed from CN202211739051.7A external-priority patent/CN116998987A/zh
Application filed by 北京石头世纪科技股份有限公司 filed Critical 北京石头世纪科技股份有限公司
Priority to KR2020247000056U priority Critical patent/KR20240001407U/ko
Priority to DE212023000113.6U priority patent/DE212023000113U1/de
Publication of WO2024139711A1 publication Critical patent/WO2024139711A1/fr
Publication of WO2024139711A9 publication Critical patent/WO2024139711A9/fr

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Classifications

    • 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
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L1/00—Cleaning windows
    • A47L1/02—Power-driven machines or 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
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/18—Floor surfacing or polishing machines motor-driven with rotating tools the tools being roll brushes
    • A47L11/19—Parts or details of the brushing 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
    • A47L11/24—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
    • 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
    • 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
    • A47L9/0455—Bearing means therefor
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0488—Combinations or arrangements of several tools, e.g. edge cleaning 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/02—Docking stations; Docking operations

Definitions

  • the present disclosure relates to the technical field of cleaning equipment, and in particular to an automatic cleaning equipment.
  • At least one of the first roller brush and the second roller brush is incompressible.
  • the first tubular member is not compressible in the length direction of the first shaft.
  • the first shaft is a hard rod.
  • the first cylindrical member and the first shaft are substantially the same length.
  • the first cylindrical member and the first shaft are coaxially disposed.
  • At least one of the first roller brush and the second roller brush is incompressible.
  • the first brush member and the second brush member overlap each other.
  • the first tubular member is not compressible in the length direction of the first shaft.
  • the first cylindrical member and the first shaft are substantially the same length.
  • the first cylindrical member and the first shaft are coaxially disposed.
  • FIG29 is a schematic diagram of the structure of a first roller brush and a second roller brush provided in some embodiments of the present disclosure
  • FIG34 is a schematic diagram of an exploded structure of a first roller brush provided in some embodiments of the present disclosure.
  • the automatic cleaning device provided by the embodiment of the present disclosure, by setting a double roller brush structure of a first roller brush and a second roller brush, and setting the first filler in the first roller brush as an elastic component, and setting the second shaft component as a rigid component, enables the automatic cleaning device to effectively clean the ground based on both soft and hard types of roller brushes, improves the passability of garbage between the first roller brush and the second roller brush, and reasonably configures the amount of interference between the soft and hard types of roller brushes and the ground, thereby improving the overall cleaning efficiency of the ground.
  • FIG1-FIG2 is a schematic diagram of the structure of an automatic cleaning device according to an exemplary embodiment.
  • the automatic cleaning device can be a vacuum robot, a mopping/brushing robot, a window climbing robot, etc.
  • the automatic cleaning device can include a mobile platform 1000, a sensing system 2000, a control system (not shown), a driving system 3000, an energy system (not shown), a human-computer interaction system 4000 and a cleaning module 5000. Among them:
  • the perception system 2000 includes a position determination device (not shown in the figure) located above the mobile platform 1000, a buffer (not shown in the figure) located at the forward part of the mobile platform 1000, a cliff sensor (not shown in the figure) and an ultrasonic sensor (not shown in the figure) located at the bottom of the mobile platform, an infrared sensor (not shown in the figure), a magnetometer (not shown in the figure), an accelerometer (not shown in the figure), a gyroscope (not shown in the figure), an odometer (not shown in the figure) and other sensing devices, which provide various position information and motion status information of the machine to the control system.
  • the cleaning module 5000 includes a dust box, a fan, and a main brush module.
  • the main brush module sweeps the garbage on the ground to the front of the dust suction port between the main brush module and the dust box, and then the suction gas generated by the fan and passing through the dust box is sucked into the dust box.
  • the dust removal capacity of the sweeper can be measured by the dust pickup efficiency DPU (Dust pickup efficiency).
  • the cleaning efficiency DPU is characterized by the wind utilization rate of the air duct formed by the dust suction port, dust box, fan, air outlet and the connecting parts between the four, and is affected by the type and power of the fan. It is a complex system design problem.
  • the improvement of dust removal ability is more meaningful for automatic cleaning equipment with limited energy. Because the improvement of dust removal ability directly and effectively reduces the energy requirements, that is, a machine that can clean 80 square meters of ground on a single charge can be evolved to clean 180 square meters or more on a single charge. And the service life of the battery with reduced charging times will also be greatly increased, so that the frequency of battery replacement by users will also be reduced. More intuitively and importantly, the improvement of dust removal ability is the most obvious and important user experience, and users will directly draw conclusions on whether the sweeping/wiping is clean.
  • FIG2 is a schematic diagram of the structure of the automatic cleaning device in FIG1 when viewed from above.
  • the automatic cleaning device includes a mobile platform 1000, and the mobile platform 1000 is configured to move freely on the operating surface.
  • a cleaning module 5000 is provided at the bottom of the mobile platform 1000, and the cleaning module 5000 is configured to clean the operating surface.
  • the cleaning module 5000 includes a driving unit 5100, a roller brush frame 5200, and a roller brush 5300 assembled in the roller brush frame 5200.
  • the driving unit 5100 provides a forward or reverse driving force, and applies the driving force to the roller brush 5300 through a multi-stage gear set.
  • the roller brush 5300 rotates under the action of the driving force to clean the operating surface, or the roller brush 5300 rotates under the action of the driving force to collect dust.
  • a front cleaning brush installation position 5211 and a rear cleaning brush installation position 5212 for accommodating a cleaning roller brush are provided in the roller brush frame 5200.
  • the front cleaning brush installation position 5211 has a first end 52111 and a second end 52112 opposite to the first end 52111, one end of the first roller brush 100 is clamped and fixed at the first end 52111, and the other end of the first roller brush 100 is clamped and fixed at the second end 52112.
  • the front cleaning brush installation position 5211 is a long strip groove structure in the mobile platform, and the long strip groove structure extends along the first direction.
  • the rear cleaning brush mounting position 5212 has a third end 52121 and a fourth end 52122 opposite to the third end 52121.
  • the rear cleaning brush mounting position 5212 has a substantially identical structure to the front cleaning brush mounting position 5211, for example, a strip-shaped groove structure in the mobile platform, the strip-shaped groove structure extending along the first direction, and the second roller brush can be mounted in the strip-shaped groove of the rear cleaning brush mounting position 5212 through the opening of the strip-shaped groove structure.
  • the two strip-shaped groove structures are parallel to each other in the second direction.
  • the shape and size of the strip-shaped groove structure are not limited in any way, and only need to accommodate at least a portion of the first roller brush and the second roller brush.
  • the first end of the front cleaning brush mounting position 5211 and the third end of the rear cleaning brush mounting position 5212 are located on one side of the front-rear axis X-axis, and the second end of the front cleaning brush mounting position 5211 and the fourth end of the rear cleaning brush mounting position 5212 are located on the other side of the front-rear axis X-axis.
  • the automatic cleaning device includes two cleaning roller brushes 5300, one cleaning roller brush is disposed at the front cleaning brush mounting position 5211 and is regarded as a “front roller brush”; the other cleaning roller brush is disposed at the rear cleaning brush mounting position 5212 and is regarded as a “rear roller brush”.
  • the front roller brush can be mounted in the front cleaning brush mounting position 5211 through the opening of the long strip groove structure, and the rear roller brush can be mounted in the rear cleaning brush mounting position 5212 through the opening of the long strip groove structure.
  • the assembled first filler is usually a hollow cylindrical structure with a preset thickness, and has a first inner diameter and a first outer diameter after the first filler is assembled.
  • the first filler does not need to be a continuous cylindrical shape, and can be a shape remaining after arbitrary cutting on the basis of the cylindrical shape, such as a discontinuous cylindrical shape, or one or more independent parts, but their common feature is that they all have the same thickness after assembly, and the inner surface and outer surface of this thickness respectively have the diameter of the cylinder, that is, the first inner diameter and the first outer diameter of the first filler.
  • FIG. 5 is a cross-sectional view of the first roller brush provided in some embodiments of the present disclosure along the second direction
  • FIG. 6 is a cross-sectional view of the first roller brush provided in some embodiments of the present disclosure along the first direction, as shown in FIGS. 5 and 6 .
  • the first roller brush 100 further includes a first brush member 130, which is mounted on the outside of the first filler 120.
  • the first brush member 130 includes a first cylindrical member 131, which is configured to be mounted on the outside of the first filler 120 so that the first cylindrical member 131 is coaxial with the first shaft 110.
  • the first cylindrical member 131 is generally cylindrical, and its length is substantially the same as that of the first shaft 110.
  • the first cylindrical member 131 is generally compressible, for example, it is made of elastic plastic or rubber material, and can be compressed inwardly to deform under the action of external force, and can return to its original shape after the external force is removed.
  • the first cylindrical member 131 generally has a certain thickness to enhance the wear resistance of the first brush member 130 as a whole.
  • the first brush member 130 further includes a first brush member 132, which may be a plurality of sheet-like structures, and the first brush member 132 extends from the outer surface of the first cylindrical member 131 in a direction away from the first cylindrical member 131, and at least one first brush member 132 extends from one end of the first cylindrical member 131 to the other end of the first cylindrical member 131 along the axial direction of the first cylindrical member 131.
  • the first brush member 132 may be in other forms such as blades or bristles.
  • first brush members 132 there are multiple first brush members 132, each of which is disposed in a first cylindrical shape.
  • the outer surface of the component 131 is in a spiral structure, and the plurality of first brush members 132 are roughly evenly distributed along the circumference of the first cylindrical component 131, and the spiral structures of the plurality of first brush members 132 are roughly parallel.
  • first brush members 132 there are multiple first brush members 132, each of which is in a V-shaped structure on the outer surface of the first cylindrical member 131.
  • the multiple first brush members 132 are roughly evenly distributed along the circumference of the first cylindrical member 131, and the tips of the V-shaped structures of the multiple first brush members 132 point in the same direction in the circumference of the first cylindrical member 131.
  • the front and rear roller brushes can easily roll up garbage when they rotate in opposite directions, and will not generate excessive impact force on the first brush member 132 to cause damage, thereby increasing the service life.
  • the surface of the first brush member 132 is provided with a plurality of first protrusions 1321.
  • the plurality of first protrusions on the first brush member 132 are evenly distributed along the extension direction of the surface of the first brush member 132, and the plurality of first protrusions 1321 can increase the friction between the brush member and the garbage, making the cleaning cleaner.
  • the second roller brush 200 includes a second shaft component 220 and a second brush member 230; the second shaft component 220 is coaxial with the second brush member 230, the second brush member 230 is sleeved on the outside of the second shaft component 220, the second shaft component 220 constitutes the second shaft rod of the second roller brush 200, the second shaft component 220 is a rigid hard member, the second shaft component 220 includes at least one mating piece 213 arranged at at least one end of the second shaft component 220 (for example, the mating piece 213 can be arranged at one end or both ends of the second shaft component 220, also referred to as a mating structure), and is connected to the multi-stage gear set of the drive system 3000 through the mating piece 213, receives the driving force of the drive system 3000 and realizes forward or reverse rotation, wherein the second shaft component 220 has an outer shape of an elongated cylindrical strip, an elongated square column or an elongated polygonal column
  • the second shaft component 220 includes a hollow structure 2210, and the hollow structure 2210 extends axially through the second shaft component 220 along the second shaft component 220 and the axis of the second shaft component 220.
  • the second shaft component 220 has a second inner diameter D2in and a second outer diameter D2out , and the second inner diameter D2in and the second outer diameter D2out constitute the radial thickness of the second shaft component 220.
  • At least one end of the hollow structure (for example, one end or both ends of the second shaft component 220) includes a step portion, and the step portion includes one, two or three steps.
  • the end face of the hollow structure 2210 has a third inner diameter and a fourth inner diameter, wherein the second inner diameter is smaller than the third inner diameter and smaller than the fourth inner diameter, wherein the step portion is located at the outermost end of the hollow structure 2210 to form a receiving cavity 2222 with the largest diameter (for example, the receiving cavity 2222 has the fourth inner diameter), and the matching piece 213 has an outer shape structure matching the step portion, and the matching piece 213 is assembled on the step portion and is in contact with the
  • the hollow structure is fixedly or detachably connected, and the matching piece 213 is used to be directly or indirectly connected to the multi-stage gear set of the driving system, receive the driving force of the driving system 3000 and realize the forward or reverse rotation of the second shaft component 220.
  • the second roller brush 200 further includes a second brush member 230, which is mounted on the outside of the second shaft component 220.
  • the second brush member 230 includes a second cylindrical member 231, which is configured to be mounted on the outside of the second shaft component 220 so that the second cylindrical member 231 is coaxial with the second shaft component 220.
  • the second cylindrical member 231 is generally cylindrical, and its length is substantially the same as that of the second shaft component 220.
  • the second cylindrical member 231 is generally compressible, for example, it is made of elastic plastic or rubber material, so as to be mounted on the outside of the second shaft component 220.
  • the second cylindrical member 231 generally has a certain thickness to enhance the wear resistance of the second brush member 230 as a whole.
  • the second cylindrical member 231 and the second shaft member 220 There is usually no filler between the second cylindrical member 231 and the second shaft member 220, or at least no flexible or elastic filler.
  • a rigid filler since the second shaft member is also rigid, the rigid filler and the second shaft member can be regarded as the same functional part, that is, the two rigid parts together constitute the second shaft member, and its outer diameter is obviously the outer diameter of the entire rigid part, that is, the second outer diameter D2outer of the second shaft member.
  • the second brush member 230 also includes a second brush 232, which can be a plurality of sheet structures, and the second brush 232 extends from the outer surface of the second cylindrical member 231 in a direction away from the second cylindrical member 231, and at least one second brush 232 extends from one end of the second cylindrical member 231 to the other end of the second cylindrical member 231 along the axial direction of the second cylindrical member 231.
  • the second brush 232 can be in other forms such as blades or bristles.
  • there are multiple second brushes 232 each of which is in a spiral structure on the outer surface of the second cylindrical member 231.
  • the multiple second brushes 232 are roughly evenly distributed along the circumference of the second cylindrical member 231, and the spiral structures of the multiple second brushes 232 are roughly parallel.
  • the shape of the second brush 232 matches the shape of the first brush 132, that is, when the shape of the second brush 232 is a spiral structure, the shape of the first brush 132 is also a spiral structure.
  • there are multiple second brush members 232 each of which is in a V-shaped structure on the outer surface of the second cylindrical member 231.
  • the multiple second brush members 232 are roughly evenly distributed along the circumference of the second cylindrical member 231, and the tips of the V-shaped structures of the multiple second brush members 232 point in the same direction in the circumference of the second cylindrical member 231.
  • the shape of the second brush member 232 matches the shape of the first brush member 132, that is, when the shape of the second brush member 232 is a V-shaped structure, the shape of the first brush member 132 is also a V-shaped structure.
  • the second brush member 132 By designing the second brush member 132 as a V-shaped structure, when the front and rear roller brushes rotate in opposite directions, the tip of the V-shaped structure of the second brush member 232 can interfere with the tip of the V-shaped structure of the first brush member 132, thereby easily rolling up garbage.
  • the second roller brush 200 can also be implemented in other forms, as shown in Figure 6-2.
  • the second roller brush 200 includes a second shaft 240, a second filler 250 and a second brush component 230.
  • the structure of the second brush component 230 is as described in the above embodiment and will not be repeated here.
  • the second shaft component as described in the above embodiment is composed of a second shaft rod 240 and a second filler 250.
  • the second filler 250 is sleeved on the second shaft rod 240 so that the second filler 250 is coaxial with the second shaft rod 240.
  • the cross-section of the second filler 250 is an annular structure, and its inner ring shape matches the cross-sectional shape of the second shaft rod 240.
  • the inner ring shape can be circular, directional, polygonal, etc., and there is no limitation on this.
  • the inner ring is circular as an example below.
  • the outer ring shape is generally circular.
  • the cross-section of the second filler 250 is annular, the cross-section of the second filler 250 has an inner diameter and an outer diameter.
  • the inner diameter is roughly equal to the diameter of the second shaft rod 240 to achieve seamless fitting of the second filler 250 and the second shaft rod 240
  • the outer diameter is roughly equal to the inner diameter of the second cylindrical member 231 to achieve seamless fitting of the second filler 250 and the second cylindrical member 231.
  • the second filler 250 is an incompressible material.
  • the second filler 250 has the characteristic of not being compressed inwards after being subjected to force, so as to provide sufficient support force to the second brush member 230.
  • the material of the second filler 250 is, for example, a rigid material such as hard plastic, hard resin material, metal material, etc., which will not be listed in detail.
  • the second filler 250 can also be a hollow material or structure with the same incompressible property, such as an incompressible keel structure, to reduce the weight of the second roller brush, which will not be listed in detail.
  • the second filler 250 can be integrally formed with the second shaft 240, and a unified structure is formed of hard material to reduce the rotational clearance.
  • the first roller brush 100 and the second roller brush 200 After the first roller brush 100 and the second roller brush 200 are installed, when the first roller brush 100 and the second roller brush 200 are working, the first roller brush 100 and the second roller brush 200 have the same rotation speed and opposite directions, for example, the first roller brush 100 rotates counterclockwise, and the second roller brush 200 rotates clockwise.
  • the first brush member and the second brush member are always in an interference contact state in the middle position, that is, the brush member of the upper layer has not yet separated, and the brush member of the lower layer has already contacted; continue to rotate, the brush member of the upper layer is separated, and the brush members at both ends of the lower layer contact the middle to form a diamond-shaped closed air path.
  • the brush member As the brush member rotates, the brush member will collect the garbage in the middle, so that the garbage is sucked into the dust box in the device along the air duct 5400, so as to achieve the purpose of cleaning.
  • the diamond-shaped closed air path formed by the next layer of brushes will gradually become smaller until the current closed cleaning is completed, and the next closed cleaning will start immediately, that is, the brushes at both ends of the next layer contact the middle to form a diamond-shaped closed air path, and the cycle continues.
  • the first roller brush and the second roller brush can achieve a continuous cleaning effect, further improving the cleaning efficiency.
  • the second brush member 232 is provided with a plurality of second protrusions 2321.
  • the plurality of second protrusions 232 on the second brush member 232 are evenly distributed along the extension direction of the second brush member 232 surface, and the plurality of second protrusions 2321 can increase the friction between the brush member and the garbage, making the cleaning cleaner.
  • the first brush component in the first roller brush 100 and the second brush component in the second roller brush 200 may be different, and may be specifically configured according to cleaning requirements.
  • the first roller brush 100 is a hair brush and the second roller brush 200 is a rubber brush.
  • This combination can meet the cleaning effect of various ground environments, that is, the first roller brush can be used to clean garbage on soft ground such as carpets by utilizing the good cleaning ability of the hair brush for hair or fine soft fibers; and the second roller brush can be used to clean floors, tiles, and other grounds by utilizing the good cleaning ability of the rubber brush for hard grounds.
  • the outer diameter of the second shaft component is smaller than the outer diameter of the first filler.
  • the outer diameter of the second shaft component (hard core) of the second roller brush is too large, the flexible space allowed to pass between the front and rear roller brushes will become smaller, and slightly larger hard garbage will be stuck between the first roller brush and the second roller brush; in addition, when the outer diameter of the second shaft component (hard core) of the second roller brush is further reduced, when the outer contour diameters of the first brush member of the first roller brush and the second brush member of the second roller brush are the same, the corresponding second brush member length will gradually increase with the decrease in the outer diameter of the second shaft component (hard core).
  • the length of the second brush member should not be too long.
  • the outer diameter of the corresponding second shaft component should not be too small.
  • the outer diameter of the second shaft component can be made larger than the inner diameter of the first filler, thereby ensuring that the length of the second brush member is within an appropriate range.
  • the plane where the lowest point of the first filler is located is lower than the plane where the lowest point of the second shaft component is located. Since the first filler is compressible, in order to ensure the passability of garbage under the first roller brush and the second roller brush, it is necessary to make the plane where the lowest point of the first filler is located lower than the plane where the lowest point of the second shaft component is located.
  • the first roller brush is a front roller brush
  • the passability of garbage can be ensured because the first filler can be compressed.
  • the second roller brush is a front roller brush
  • the passability of garbage can still be ensured because the lowest point of the second shaft component is higher.
  • the first roller brush is a rear roller brush and is closer to the ground, it can intercept garbage and is not easy to leak from under the first roller brush, thereby improving the cleaning efficiency of the cleaning equipment.
  • the maximum distance that the first brush extends from the outer surface of the first cylindrical member in a direction away from the first cylindrical member is less than the maximum distance that the second brush extends from the outer surface of the second cylindrical member in a direction away from the second cylindrical member.
  • the outer diameter of the second shaft component if the length of the first brush component is not less than the length of the second brush component, will make the first roller brush as a whole larger.
  • the outer contour formed by the farthest distance of the first brush member extending from the outer surface of the first cylindrical member in the direction away from the first cylindrical member forms the outer diameter of the first roller brush
  • the outer contour formed by the farthest distance of the second brush member extending from the outer surface of the second cylindrical member in the direction away from the second cylindrical member forms the outer diameter of the second roller brush
  • the outer diameter of the first roller brush is substantially equal to the outer diameter of the second roller brush.
  • the double roller brushes in the storage state can be stored roughly flat in the cleaning module, which also reduces the complexity of design and processing caused by the inconsistent design of the front cleaning brush installation position and the rear cleaning brush installation position.
  • the distance between the axis of the first roller brush and the axis of the second roller brush is not greater than the outer diameter of the first roller brush and/or the second roller brush, for example, the distance between the axis of the first roller brush and the axis of the second roller brush is smaller than the outer diameter of the first roller brush and/or the second roller brush.
  • the outer contour of the first brush member formed by the farthest distance extending from the outer surface of the first cylindrical member in the direction away from the first cylindrical member forms the outer diameter of the first roller brush
  • the outer contour of the second brush member formed by the farthest distance extending from the outer surface of the second cylindrical member in the direction away from the second cylindrical member forms the outer diameter of the second roller brush
  • the distance between the axis of the first roller brush and the axis of the second roller brush is not greater than half of the sum of the outer diameters of the first roller brush and the second roller brush.
  • the distance between the axis of the first roller brush and the axis of the second roller brush is less than half of the sum of the outer diameters of the first roller brush and the second roller brush.
  • the minimum distance from the inner diameter of the first filler to the outer diameter of the second shaft component is greater than the difference between the inner diameter and the outer diameter of the first filler.
  • the inner diameter of the first filler is too large, or the outer diameter of the second shaft component is too large so that the minimum distance from the inner diameter of the first filler to the outer diameter of the second shaft component is too small, the flexible space allowed to pass between the front and rear brushes will become smaller, and slightly larger garbage, even flexible garbage, will be stuck between the two brushes and cannot enter the dust box.
  • the limit distance is that the outer diameter of the second shaft component contacts the outer diameter of the first filler.
  • the first filler still has a space margin that can be compressed, since there is no gap between the first filler and the second shaft component, the first filler and the second shaft component block the suction force of the fan on the garbage, which will greatly reduce the effect of garbage entering the dust box and reduce the cleaning efficiency.
  • the first roller brush and the second roller brush are arranged front and back along the travel direction of the automatic cleaning device.
  • a double brush assembly structure with a front soft brush and a rear hard brush is formed.
  • the second roller brush and the first roller brush are arranged front and back along the travel direction of the automatic cleaning device. At this time, a double brush assembly structure with a hard front and a soft back is formed. In order to ensure that garbage is missed from the back, it is necessary to set the plane where the lowest point of the outer contour of the first roller brush is located lower than the plane where the lowest point of the outer contour of the second roller brush is located, increase the interference between the first brush and the ground, and protect garbage from leaking from under the first roller brush.
  • the automatic cleaning device provided by the embodiment of the present disclosure, by setting a double roller brush structure of a first roller brush and a second roller brush, and setting the first filler in the first roller brush as an elastic component, and setting the second shaft component in the second roller brush as a rigid component, enables the automatic cleaning device to effectively clean the ground based on both soft and hard types of roller brushes, improves the passability of garbage between the first roller brush and the second roller brush, and reasonably configures the amount of interference between the soft and hard types of roller brushes and the ground, thereby improving the overall cleaning efficiency of the ground.
  • first roller brush also called a soft brush or a cleaning brush
  • first roller brush also called a soft brush or a cleaning brush
  • Fig. 7 is an exploded view of a three-dimensional structure of an example of a cleaning brush provided according to the present disclosure.
  • Fig. 8 is a three-dimensional structure view of an example of an end member of the cleaning brush of Fig. 7.
  • Fig. 9 is a three-dimensional structure view of the end member of the cleaning brush of Fig. 8 from another angle.
  • the cleaning brush 100 includes: a shaft 110, including a shaft body 113 and a first end 111 and a second end 112 located on both sides of the shaft body 113; a first end member 120, configured to be installed on the first end 111, and the first end member 120 has a first assembly structure 121 on a side away from the shaft 110.
  • the first assembly structure 121 is a transmission
  • the first assembly structure 121 is connected to the driving mechanism of the cleaning equipment.
  • the first end member 120 has at least one first introduction portion 1221, and the first end 111 has at least one first matching portion 1111.
  • the at least one first introduction portion 1221 matches with the at least one first matching portion 1111 to form a guiding matching structure so that the first end member 120 can only be installed to the first end 111 in a circumferential assembly manner, that is, the first end member 120 and the shaft rod 110 have a single installation direction when assembled.
  • the meaning of the circumferential assembly method in this article is as follows: the two assemblies are rotated 360 degrees relative to each other. If there are N assembly methods, then the two are deemed to have N circumferential assembly methods, where N is greater than or equal to 1.
  • the first end member 120 includes a first guide sleeve 122, the first guide sleeve 122 is configured to accommodate the first end 111, and the at least one first introduction portion 1221 is provided on the inner peripheral wall of the first guide sleeve 122, and is a protrusion protruding inward from the inner peripheral wall of the first guide sleeve 122.
  • the first end member 120 is installed at the first end 111 located on the driving side.
  • the first introduction portion 1221 extends in a circumferential spiral along the first guide sleeve 122 in a direction away from the first assembly structure 121, and is specifically a spiral shape that extends in a helical rotation along the inner circumferential wall, so that the first introduction portion 1221 has a rotation direction, for example, a clockwise (or counterclockwise) rotation direction around the axis z of the shaft 110.
  • the number of the first inlet parts 1221 is two, but it is not limited to this. In other examples, the number of the first inlet parts 1221 can also be three or more. The above is only explained as an optional example and cannot be understood as a limitation of the present disclosure.
  • a first matching portion 1111 corresponding to the first first introduction portion 1221 is provided on the outer circumference of the first end portion 111 of the shaft rod 110.
  • two first matching portions 1111 are provided on the outer circumference of the first end portion 111, and the two first matching portions 1111 correspond to the two first introduction portions 1221 one by one, respectively.
  • the first matching portion 1111 is a groove recessed inward from the outer circumference of the first end portion 111.
  • the first introduction portion 1221 is matched with the first matching portion 1111 to form a guide matching structure so that the first end member 120 can only be installed to the first end portion 111 in a circumferential assembly manner.
  • the introduction installation can be carried out more effectively, and the first end member can only be installed to the first end in a circumferential assembly manner, which can improve the ease of installation of the end member and the stability of the installation structure.
  • a marking portion 1223 is provided on the outer periphery of the first guide sleeve 122, which is configured to mark the position of the first introduction portion 1221 on the outer periphery of the first guide sleeve 122, and is used to indicate the rotational assembly direction of installing the first end member 120 on the first end portion 111 of the shaft 110, so that the first introduction portion 1221 is aligned and assembled with the first matching portion 1111.
  • the first guide sleeve 122 is provided with a first locking portion 1222, for example, a groove portion recessed inwardly from the outer circumference of the first guide sleeve 122.
  • the first end portion 111 is provided with a first locking matching portion 1112, and the first locking portion 1222 cooperates with the first locking matching portion 1112 so that the first end member 120 is locked to the first end portion 111.
  • the first end member 120 also includes a first guide shaft 123, which extends along the axis of the first guide sleeve 122.
  • a first guide hole 1113 is provided on the end surface of the first end 111 away from the second end 112.
  • the first guide hole 1113 is coaxial with the shaft 110 and is configured to accommodate the first guide shaft 123.
  • the end face of the first assembly structure 121 away from the shaft has a regular polygon
  • the number of sides of the regular polygon is a multiple of the number of brushes.
  • the number of sides N of the regular polygon is a multiple of the number of groups (for example, 4 sides, 8 groups of blades; for another example, 4 sides, 4 groups of blades), thereby ensuring that after the cleaning brush is installed on the main unit of the automatic cleaning device in N directions, the orientation of the blades and other components in the brush of the cleaning brush is consistent.
  • the sides of the regular polygon are N straight sides, but it is not limited thereto. In other embodiments, it can also be adjusted, such as curved sides, or a combination of straight sides and curved sides. In addition, in other examples, the shape of the regular polygon can be adaptively changed according to the number of brushes.
  • the cleaning brush 100 further includes a brush member 130 coaxially arranged with the shaft 110, and the brush member 130 includes: a cylindrical member 131 sleeved on the outer circumference of the shaft; and a plurality of brush members 132.
  • the plurality of brush members 132 extend from the outer surface of the cylindrical member in a direction away from the cylindrical member 131, and the plurality of brush members 132 are evenly arranged along the circumference of the cylindrical member.
  • the brush member 131 includes a first brush member.
  • the first brush member is V-shaped and includes five groups of first brush members.
  • the brush member may also include a second brush member or a third brush member, etc., and the second brush member and the third brush member have different shapes and lengths from the first brush member.
  • the structures of the brush members of different groups are basically the same, and each group of brush members may include one or more blades. When multiple blades are included, the structures of the multiple blades are often not completely the same.
  • a flexible filler (not shown in the figure) is filled between the brush member 130 and the shaft 110 , and the flexible filler covers the outer circumference of the shaft body, exposing the first end and the second end.
  • the first end member 120 also includes a first blocking structure 125, which is arranged between the first assembly structure 121 and the first guide sleeve 122, and is used to prevent the winding material from excessively extending away from the brush member and to prevent the winding material from excessively extending away from the cleaning brush.
  • the first blocking structure 125 is, for example, at least one blocking ring, and in this example, two blocking rings.
  • the first blocking structure 125 includes a first wall, a recessed portion, and a second wall from outside to inside along the axial direction of the cleaning brush, wherein the thickness of the first wall is greater than the thickness of the second wall.
  • winding materials such as garbage are wound around the blocking structure of the first end member, which effectively prevents the winding materials from being wound around the shaft rod, and when the end member is removed, the winding materials can be directly removed following the disassembly of the end cover member.
  • a guiding matching structure is formed by the first introducing portion in the first guide sleeve of the first end member and the end of the shaft rod on the driving side, and a locking matching structure is formed by the first locking portion on the first guide sleeve and the first locking matching portion at the end of the shaft rod.
  • the guiding matching structure and the locking matching structure cooperate with each other to achieve a more effective installation structure, which can further optimize the installation structure of the end member and the shaft rod and thus optimize the overall structure of the cleaning brush.
  • FIG. 11 is an exploded view of the three-dimensional structure of the cleaning brush of FIG. 7 at another angle
  • FIG. 12 is an exploded view of the partial structure of the second end member and the shaft of the cleaning brush of FIG. 7 at one angle.
  • the cleaning brush 100 further includes a second end member 140.
  • the second end member 140 is located on the driven side and is mounted on the second end 112 of the shaft 110.
  • the second end member 140 has a second assembly structure 141 (specifically a bearing structure) on the side away from the shaft 110, and the second assembly structure 141 can rotate relative to the shaft, and is rotatably connected to other structures (such as a body, etc.) of the cleaning device through the second assembly structure 141.
  • the second end member 140 has at least one second introduction portion 1421.
  • the second end portion 112 has at least one second matching portion 1121 , and the at least one second introduction portion 1421 matches with the at least one second matching portion 1121 to form a guide matching structure so that the second end member 140 can be installed to the second end in a variety of circumferential assembly methods.
  • the second introduction portion 1421 extends spirally along the circumference of the second guide sleeve 142 in a direction away from the second assembly structure 141, specifically a spiral shape extending spirally along the inner peripheral wall, so that the second introduction portion 1421 has a rotation direction, for example, a rotation direction of clockwise (or counterclockwise) rotation around the axis z of the shaft 110, thereby forming a second introduction direction.
  • the second introduction direction is the same as the first introduction direction.
  • first introduction direction and the second introduction direction are the same, but are not limited thereto.
  • the rotation direction of the first introduction portion may be, for example, non-helical or linear.
  • the second introduction direction may be different from the first introduction direction.
  • the at least one second introduction portion 1421 includes two second introduction portions 1421 , and the two second introduction portions 1421 have the same shape and size, so that the second end member can be mounted to the second end portion 112 in two circumferential assembly modes.
  • the sizes of the two first introduction parts 1221 are different (correspondingly, the size of the first matching part 1111 and the size of the second matching part 1121 are different), the sizes of the two second introduction parts 1421 are the same, and the size of the second introduction part 1421 is between the sizes of the two first introduction parts 1221.
  • the number of the second introduction parts can also be three or more.
  • the first end member and the second end member it is preferred to set the two first introduction parts of different sizes on the driving side, because there is a requirement for the installation angle on the driving side, and the second end member on the driven side does not need to be designed with different sizes, because the second assembly structure (specifically the bearing structure) on the driven side can rotate freely relative to the shaft rod.
  • the bearing structure is assembled to the body of the automatic cleaning device, the rest of the cleaning brush is allowed to rotate freely relative to the bearing structure.
  • the size of the second introduction part can also be the same.
  • a more effective guiding and matching structure can be realized by forming a guiding and matching structure with the first introduction part 1221 and the second introduction part 1421 and the first matching part 1111 and the second matching part 1121.
  • the first end member can only be installed to the first end in one circumferential assembly mode, and the second end member can be installed to the second end in multiple circumferential assembly modes, so that the installation angles of the first end member and the second end member with the shaft rod can be accurately determined, and a more effective installation structure can be realized.
  • the second locking portion 1422 is, for example, a groove recessed inward from the outer circumference of the second guide sleeve 142, or a through hole penetrating the second guide sleeve 142. Accordingly, a first locking matching portion 1123 is provided on the second end portion 112, and the second locking portion 1422 cooperates with the second locking matching portion 1123 so that the second end member 140 is locked to the second end portion 112 to form a locking matching structure.
  • the second end member 140 also includes a second guide shaft 144, which extends along the axis of the second guide sleeve 142.
  • a second guide hole (not shown) is provided on the end surface of the second end 112 away from the first end 111.
  • the second guide hole is coaxial with the shaft 110 and is configured to accommodate the second guide shaft 144.
  • the second end member 140 further includes a second blocking structure 145 , and the second blocking structure 145 is disposed on a side of the second guide sleeve 142 away from the shaft 110 .
  • the outer diameter of the blocking structure 145 is larger than the outer diameter of the second guide sleeve 142.
  • the second guide sleeve 142 may also be provided with a marking portion 1423, which is configured to mark the position of the second introduction portion 1421 on the outer periphery of the second guide sleeve 142, for indicating the rotational assembly direction of installing the second end member 140 on the shaft 110 and the second end 112, so that the second introduction portion is aligned and assembled with the second mating portion.
  • a marking portion 1423 is configured to mark the position of the second introduction portion 1421 on the outer periphery of the second guide sleeve 142, for indicating the rotational assembly direction of installing the second end member 140 on the shaft 110 and the second end 112, so that the second introduction portion is aligned and assembled with the second mating portion.
  • the second assembly structure 141 of the second end member 140 is configured as a polygonal shape corresponding to the number of the brushes.
  • the polygonal shape of the outer end surface of the second assembly structure 141 is a pentagon formed by a combination of straight lines and curves.
  • the regular polygonal shape of the outer end face of the first end member 120 is different from the polygonal shape of the outer end face of the second assembly structure 141, so that the outer end face shapes of the first end member and the second end member are different, which makes it easier to distinguish the two ends and improves the convenience of installation.
  • the cleaning brush disclosed herein ensures that the driving end has a relatively fixed installation direction by setting the introduction component of the end component of the driving end to have a unique circumferential assembly method, which helps to control the installation angle of the roller brush. This will be particularly beneficial in some scenarios where there are certain preset requirements for the sub-components of the roller brush, especially the orientation or alignment direction of the blades, such as those scenarios where two roller brushes of the present invention are used to form a dual brush system and their respective blades have certain alignment requirements.
  • the cleaning brush disclosed in the present invention forms a guide matching structure with the end of the shaft rod through the introduction portion of the inner wall of the guide sleeve of the end member, and forms a locking matching structure with the end of the shaft rod through the locking portion of the outer periphery of the guide sleeve.
  • the guide matching structure and the locking matching structure cooperate with each other, which can more effectively carry out the introduction and installation, realize a more effective guide matching structure, realize a more effective fool-proof installation structure, improve the installation ease and installation structure stability of the end member, optimize the installation structure of the end member and the shaft rod, and thus optimize the overall structure of the cleaning brush.
  • the first end member can only be installed to the first end in one circumferential assembly method, and the second end member can be installed to the second end in multiple circumferential assembly methods, so that the installation angles of the first end member and the second end member and the shaft rod can be accurately determined, and a more effective installation structure can be achieved.
  • first introduction portion is aligned and assembled with the first matching portion
  • second introduction portion is aligned and assembled with the second matching portion
  • the winding object is directly wound around the blocking structure of the end member, which can effectively prevent the winding object from being wound around the shaft rod.
  • the specific structure of the second roller brush (also called a hard brush or a cleaning brush) is described in detail below in conjunction with Figures 13-21.
  • the same structure and function have the same technical effect and will not be described in detail here.
  • FIG. 13 is an exploded view of a three-dimensional structure of an example of a cleaning brush provided according to the present disclosure.
  • FIG. 14 is a schematic cross-sectional view of the cleaning brush of FIG. 13 .
  • FIG. 15 is a three-dimensional view of an example of an end member of the cleaning brush of FIG. 13 .
  • FIG. 16 is a schematic three-dimensional view of an example of a matching member of the shaft of FIG. 13 .
  • FIG. 17 is a schematic cross-sectional view of the end member of FIG. 13 .
  • FIG18 is a structural exploded view of the guide matching structure of FIG17 .
  • the cleaning brush 200 includes a shaft 210 having a first end 211 and a second end 212 opposite to each other in the axial direction, at least one of the first end 211 and the second end 212 including a fitting 213; a brush member 230, the brush member 230 being coaxially sleeved on the outer periphery of the shaft 210; and an end member 2200, configured to be mounted in matching relation with the fitting 213, the end member 2200 having an assembly structure 221 on a side away from the fitting 213.
  • At least one of the first end and the second end of the shaft has a housing space, at least a portion of the shaft is a solid structure, the housing space includes a first space segment, the first space segment is configured to accommodate at least a portion of the guide rod, the housing space also includes a second space segment, the guide rod is provided with a guide portion, the second space segment has a structure that matches the shape of the guide portion of the guide rod to match and connect with the guide portion.
  • the housing space also includes a third space segment, the end member is also provided with a guide shaft, the third space segment is configured to accommodate at least a portion of the guide shaft.
  • the inner diameter of the first space segment is greater than the inner diameter of the second space segment, and/or the inner diameter of the second space segment is greater than the inner diameter of the third space segment.
  • the assembly structure 221 includes, for example, a bearing structure 221" and a transmission structure 221'.
  • the assembly structure 221 is, for example, a transmission structure 221'.
  • the assembly structure 221 is, for example, a bearing structure 221".
  • the following mainly takes the end member on the driving side as an example to illustrate the connection and assembly relationship between the end member and the shaft rod.
  • the connection relationship between the end member on the driven side and the shaft rod is similar.
  • an accommodating space 214 is provided on the end surface of the end member 2200 where the fitting 213 is located, and the fitting 213 is accommodated in the accommodating space 214 .
  • a portion of the end member 2200 is inserted into the accommodating space 214 to match and install with the fitting 213 .
  • the end surface of the matching piece 213 close to the assembly structure 221 is further away from the assembly structure 221 than the opening 2141 of the accommodating space 214, as shown in FIG14.
  • the outer end surface of the matching piece 213 is closer to the center of the shaft than the outer end surface of the end to which the matching piece 213 belongs.
  • the outer end surface of the matching piece 213 is closer to the center of the shaft than the outer end surface of the corresponding side of the brush component.
  • the end surface of the brush member 230 close to the assembly structure 221 is flush with the opening 2141 of the accommodating space 214, as shown in Figure 14.
  • the end of the brush member is effectively supported, so that the proper force can be maintained when cleaning the floor; on the other hand, the brush member can effectively protect the core rod and the internal matching parts and other three-dimensional structures to prevent the user experience from being reduced due to bumps and damages.
  • the end member 2200 includes a guide rod 222, which is located on a side of the assembly structure 221 close to the shaft 210.
  • the end of the guide rod 222 away from the assembly structure 221 has a guide portion 2221, which is configured to form a rotational mating structure with the mating piece 213.
  • the guide portion 2221 extends spirally along the circumference of the guide rod 222 in a direction away from the assembly structure 221.
  • the guide portion 2221 is configured as a spiral with a rotation direction, specifically a spiral extending along the outer circumference of the guide rod 222 (i.e., a spiral rotation extension), so that the guide portion 2221 has a rotation direction, for example, a rotation direction of clockwise (or counterclockwise) rotation around the axis of the shaft 210.
  • the end member 2200 includes a guide rod 222 and at least one guide portion 2221, wherein the guide portion 2221 is disposed on the outer peripheral surface of the guide rod 222, and the plurality of guide portions 2221 are evenly distributed in the circumferential direction of the guide rod 222, so that the guide portion 2221 forms a rotational mating structure with the mating piece 213, as shown in FIGS. 14 and 17 .
  • the number of guide portions may be three, four, six or more, and the size of the guide portions may be different.
  • the guide portion may also be a groove formed by etching inward from the outer circumference of the guide rod.
  • the above is only described as an optional example and cannot be understood as a limitation of the present disclosure.
  • at least one of the shape, number and size of the guide portion 2221 is different.
  • the end member 2200 further comprises a guide shaft 223, the guide shaft 223 extends from the guide rod 222 away from the assembly structure 221, and the end of the guide shaft 223 away from the guide rod 222 has a buckle 2231.
  • the guide rod 222 is an injection molded part
  • the guide shaft 223 is a metal part.
  • one end of the guide shaft 223 close to the assembly structure 221 is sleeved in the guide rod 222 .
  • the guide shaft 223 includes a buckle 2231 arranged along the outer peripheral surface.
  • the buckle 2231 is, for example, The annular groove enables the locking member 2231 and the matching member 213 to form a locking fitting structure.
  • the fitting member 213 includes a fitting portion 2131 that matches the shape of the guide portion 2221 , and the fitting portion 2131 has a spiral groove for accommodating the guide portion 2221 .
  • the mating piece 213 includes a main body 2130, which has a cavity.
  • the main body 2130 includes a mating portion 2131 disposed in the cavity, and the mating portion 2131 is a spiral groove extending along the inner wall of the cavity.
  • the mating portion 2131 forms a rotational mating structure with the guide portion 2221, so that the guide rod of the end member and the mating piece form a rotational mating mechanism, see Figure 17 for details.
  • the number of the matching portions 2131 is the same as the number of the guiding portions 2221 , for example, five.
  • the matching portion may be a groove, and the guide portion may be a convex portion.
  • the number of matching portions may be three, four, six or more, as long as the number of the guide portions is the same as the number of the matching portions. The above is only described as an optional example and cannot be understood as a limitation of the present disclosure.
  • the fitting 213 includes an extension portion 2132 connected to the main body 2130 and extending outward from the main body 2130, wherein the extension portion 2132 is closer to the center of the shaft 210 than the main body 2130, and the outer diameter of the extension portion 2132 is smaller than the outer diameter of the main body 2130.
  • the outer peripheral surface of the extension portion 2132 is provided with a plurality of evenly distributed ridges 21321, so that the outer peripheral surface of the extension portion 2132 forms a concave and convex surface, which is used to form a corresponding matching structure with the interior of the shaft rod 210 (i.e., the shape of the interior of the shaft rod) to increase the contact surface between the matching piece 213 and the interior of the shaft rod 210, which is more conducive to bonding the matching piece 213 to the accommodating space 214 of the shaft rod 210, can increase the bonding strength of the bonding structure between the matching piece 213 and the shaft rod 210, and can make the installation more stable.
  • the interior of the shaft rod 210 i.e., the shape of the interior of the shaft rod
  • a buckle portion 21322 is provided at one end of the fitting 213 close to the center of the shaft, and the buckle portion 21322 is closer to the center of the shaft than the ridge 21321.
  • the buckle portion 21322 is, for example, a claw portion, and the buckle portion 21322 and the buckle 2231 (i.e., an annular groove portion or an annular protrusion structure) of the guide shaft 223 of the end member 2200 form a buckle fitting structure.
  • the end member 2200 is provided with a blocking structure 225 for preventing the winding from overextending away from the cleaning brush.
  • the blocking structure 225 is provided on a side closer to the assembly structure 221 than the guide rod 210 (i.e., a side away from the center side of the shaft).
  • the outer diameter of the blocking structure 225 is larger than the outer diameter of the guide rod 210 , and the blocking structure 225 is spaced a certain distance from the first end portion 211 of the shaft rod 210 , as shown in FIGS. 17 and 18 .
  • the outer diameter of the blocking structure 225 is greater than the inner diameter and the outer diameter of the accommodating space
  • the brush member includes a cylindrical member, the diameter of which is smaller than the diameter of the blocking structure.
  • the end of the brush member close to the shaft is within the axial projection range of the blocking structure 225
  • the first brush member has a first thinned portion, the first thinned portion is substantially within the axial projection range of the blocking structure
  • the second brush member has a second thinned portion, the second thinned portion is located inside and outside the axial projection range of the blocking structure.
  • the winding object is directly wound around the blocking structure of the end member, which can effectively prevent the winding object from being wound around the shaft rod.
  • the end member 2200 includes a first side end member 2200′ and a second side end member 2200′′, which are respectively matched and installed with the matching pieces 213 of the first end 211 and the second end 212 of the shaft 210, the shaft 210 is a rigid component, the brush member 230 is directly sleeved on the shaft 210, and the cleaning brush 200 is, for example, a hard brush.
  • the shaft 210 is a rigid component, and a rigid filler is filled between the brush member 230 and the shaft 210.
  • At least one of the shape, number and size of the first guide portion 2221' of the first side end member 2200' (i.e., the end member 2200 of Figure 14) and the second guide portion 2221" of the second side end member 2200" are different.
  • the shape and size of the first guide portion 2221' of the first side end member 2200' and the shape and size of the second guide portion 2221" of the second side end member 2200" are the same, the number of the first guide portions 2221' of the first side end member 2200' is greater than the number of the second guide portions 2221" of the second side end member 2200", and the number of the second guide portions 2221" of the second side end member 2200" is not a divisor of the number of the first guide portions 2221' of the first side end member 2200'.
  • the number of the first guide portions 2221' of the first side end member 2200' is five, and the number of the second guide portions 2221' of the second side end member 2200" is The number of "2221" is two.
  • the first side end member 2200' (i.e., the end member 2200 located on the driving side, the left end shown in Figure 20) is installed on the first end 211 of the shaft 210, and the first side end member 2200' includes a transmission structure 221', which is closer to the outside than the first blocking structure 225', and the end face shape of the transmission structure 221' is a polygonal shape, such as a regular polygon.
  • the transmission mechanism 221' is connected to the driving mechanism of the automatic cleaning device.
  • the brush component 230 includes: a cylindrical component, which is sleeved on the outer circumference of the shaft; and a plurality of brush members 232, which extend from the outer surface of the cylindrical component in a direction away from the cylindrical member 231, and the plurality of brush members 232 are evenly arranged along the circumference of the cylindrical member.
  • the brush member 232 includes at least one size of first brush member, for example, five groups of brush members, each group of brush members includes two sizes of first brush members, for example, the first brush member is V-shaped and spiral-shaped. Since the brush member 230 in this example is substantially the same as the brush member 230 in the example of FIG. 13 , the description of the same parts is omitted.
  • the number of the first guide parts 2221' of the first side end member 2200' is a multiple of the number of the brushes 232.
  • the number of the brushes 232 is a multiple of five, such as five groups, ten groups, etc., wherein each group includes two or more brushes.
  • the brush members 232 By setting the number of the first guide parts 2221' to a multiple of the number of groups of the brush members 232, it is possible for the brush members 232 to have a specific installation angle when the roller brush is installed in the roller brush frame to facilitate matching interference between the brush members corresponding to each other of the two roller brushes.
  • the number of the first guide portions 2221' is five, and the number of the brush members 232 is five.
  • the second side end member 2200" is installed on the second end 212 of the shaft 210 (that is, the end member located on the driven side, the right end shown in Figure 20), and the second side end member 2200" includes an assembly structure (specifically a bearing structure 221"), and the bearing structure 221" is rotatable relative to the shaft 210, and is connected to other structures of the cleaning equipment (such as a fuselage, etc.) through the rotation of the bearing structure 221" relative to the shaft.
  • assembly structure specifically a bearing structure 221"
  • the bearing structure 221" is rotatable relative to the shaft 210, and is connected to other structures of the cleaning equipment (such as a fuselage, etc.) through the rotation of the bearing structure 221" relative to the shaft.
  • first side end member 2200' has a first mating piece 213' installed on the first end 211 inside the shaft 210
  • the second side end member 2200" has a second mating piece 213" installed on the second end 212 inside the shaft 210.
  • the number of the first guide portions 2221' of the first side end member 2200' is different from the number of the second guide portions 2221" of the second side end member 2200.
  • the number of first guide portions 2221' of the first side end member 2200' is an odd number
  • the number of second guide portions 2221" of the second side end member 2200" is an even number
  • the number of first guide portions 2221' of the first side end member 2200' and the number of second guide portions 2221" of the second side end member 2200" are not divisors of each other, so as to ensure that the side end member with a smaller number of guide portions cannot be mistakenly installed to the matching piece corresponding to the side end member with a larger number of guide portions, thereby ensuring that any side end member will not be installed incorrectly, achieving maximum fool-proofing.
  • the second end 212 of the shaft 210 includes a second mating piece 213" that matches a second guide portion 2221" of the second guide rod 222", and the number of the second guide portions 2221" is two.
  • the second guide portion 2221" is a convex portion formed by etching a groove from the outer peripheral surface of the second guide rod 222", and is arranged at an end of the second guide rod 222" away from the bearing structure 221".
  • the outer circumference of the extension portion 2132′′ of the second matching piece 213′′ is provided with a plurality of evenly distributed ridges 21321′′, so that the outer circumference of the extension portion 2132′′ forms a concave-convex surface, which is used to form a corresponding matching structure with the interior of the shaft 210 (i.e., the shape of the interior of the shaft), so as to increase the contact surface between the second matching piece 213′′ and the interior of the shaft 210, which is more conducive to bonding the second matching piece 213′′ to the accommodation space of the shaft 210.
  • the bonding strength of the bonding structure between the second matching member 213 ′′ and the shaft rod 210 can be increased, and the installation can be more stable.
  • a snap-fit portion 21322" is provided at one end of the second mating piece 213" close to the center side of the shaft, and the snap-fit portion 21322" is closer to the center side of the shaft than the ridge 21321".
  • the snap-fit portion 21322" is, for example, a claw portion, and the snap-fit portion 21322" and the snap-fit piece 2231 (i.e., the annular groove portion) of the guide shaft 223 of the second side end member 2200" form a snap-fit structure.
  • the first side end member 2200' includes an assembly structure (specifically a transmission structure 221'), a first guide shaft 223', one end of the first guide shaft 223' is internally sleeved in the first guide rod 222', and the other end of the first guide shaft 223' is sleeved in the first guide hole of the first end 211, and the first guide hole is coaxially opened on the end face of the first end 211.
  • assembly structure specifically a transmission structure 221'
  • first guide shaft 223' one end of the first guide shaft 223' is internally sleeved in the first guide rod 222'
  • the other end of the first guide shaft 223' is sleeved in the first guide hole of the first end 211
  • the first guide hole is coaxially opened on the end face of the first end 211.
  • the assembly structure 221" of the second side end member 2200" and the second guide rod 222" are separate structures. Specifically, one end of the second guide shaft 223" passes through the assembly structure of the second side end member 2200" (specifically the bearing structure 221"), and the other end of the second guide shaft 223" is sleeved on the second guide hole of the second end 212, and the second guide hole is coaxially opened on the end face of the first end 211.
  • the first side end member 2200' is provided with a blocking structure 225', which is specifically arranged between the assembly structure (specifically the transmission structure 221') and the first guide rod 222'.
  • the second side end member 2200" is provided with a blocking structure 225", which is specifically arranged between the assembly structure (specifically the bearing structure 221”) and the second guide rod 222".
  • the blocking structures of the two side end members are used to prevent the winding object from excessively extending away from the brush member 230.
  • the outer end surface of the first side end member 2200' is configured to be in the shape of a first polygon corresponding to the number of the brush members 232.
  • the end surface of the transmission structure 221' of the first side end member 2200' away from the guide rod 222 has a regular polygon, and the number of sides of the regular polygon is the same as the number of the first guide parts 2221' of the first side end member 2200'.
  • the number of the first guide parts 2221' of the first side end member 2200' is an approximate multiple of the number of the brush members 232.
  • the brush member 232 when the roller brush is installed on the roller brush frame, the brush member 232 can have a specific installation angle.
  • this design will be very beneficial for forming a matching relationship between the blades of the multiple roller brushes.
  • the blades of the two roller brushes need to be aligned, it can ensure that the blades are aligned to achieve synchronous operation, interference, or staggering in a certain posture, etc., thereby achieving different cleaning effect requirements.
  • the winding object is directly wound around the blocking structure of the end member, which can effectively prevent the winding object from being wound around the shaft rod.
  • the present disclosure provides a roller brush and an automatic cleaning device, the roller brush comprising: a shaft; and a brush member detachably mounted on the shaft.
  • the brush member comprises: a cylindrical member configured to be sleeved on the shaft so that the cylindrical member and the shaft are coaxial; and a first brush member extending from the outer surface of the cylindrical member in a direction away from the cylindrical member, the first brush member tilting in a first rotation direction in the circumferential direction of the cylindrical member, wherein a one-way blocking structure is provided at the end of the first brush member close to the cylindrical member, so that the first brush member is easy to deform in the reverse direction of the first rotation direction but not easy to deform in the first rotation direction.
  • Figure 22 is a schematic diagram of the structure of a roller brush provided in some embodiments of the present disclosure
  • Figure 23 is a schematic diagram of the cross-sectional structure of the roller brush in Figure 22.
  • the roller brush 100 includes a shaft 10 and a brush member 20, wherein the brush member 20 is disposed on the shaft 10.
  • the axis of the shaft 10 can be regarded as the rotation axis of the roller brush 100.
  • the driving system on the main body can drive the shaft 10 to rotate, and the direction of rotation can be clockwise or counterclockwise.
  • the shaft 10 rotates, other components arranged on the shaft 10, such as the brush member 20, can be driven to rotate together to achieve the purpose of cleaning.
  • the roller brush 100 also includes end caps 30, which are arranged at both ends of the shaft 10.
  • the roller brush 100 is installed in the long groove structure at the bottom of the main body of the automatic cleaning device through the mounting parts on the side of the end caps 30 away from the shaft 10.
  • a one-way blocking structure is provided at the end of the first brush member 21 near the cylindrical member 23.
  • the one-way blocking structure can make the first brush member 21 easy to deform in the opposite direction of the first rotation direction, but not easy to deform in the first rotation direction, that is, the deformation of the first brush member 21 when rotating along the first rotation direction is smaller than the deformation when rotating in the opposite direction of the first rotation direction.
  • the first rotation direction is the rotation direction of the brush member when the cleaning device performs a cleaning operation
  • the opposite direction of the first rotation direction is the rotation direction of the brush member when the cleaning device performs a dust collection operation.
  • the first brush member 21 can provide a strong cleaning effect when the cleaning device is cleaning normally, and it is not easy to tilt and deform along the first rotation direction; while during dust collection, the first brush member 21 is easy to deform in the opposite direction of the first rotation direction, so as to prevent large particles of garbage from being clamped during dust collection.
  • the one-way blocking structure includes: a support component 2111, which can prevent the first brush 21 from deforming in the first rotation direction.
  • the support component 2111 is arranged on the first rotation direction side of the end of the first brush 21 close to the cylindrical member 23.
  • the first brush member 21 has a first end and a second end, the first end is used to contact the surface to be cleaned when the automatic cleaning device is working, and the thickness of the second end is less than the thickness of the first end.
  • the second end has a first thinned portion relative to the first end, and the arrangement direction of the first thinned portion at the second end is basically the same as the inclination direction of the first brush member relative to the radial direction of the first roller brush.
  • the second brush member also has a first end and a second end, the first end of the second brush member is used to contact the surface to be cleaned when the automatic cleaning device is working, the thickness of the second end of the second brush member is less than the thickness of the first end of the second brush member, for example, the second end of the second brush member has a second thinned portion relative to the first end of the second brush member, and the arrangement direction of the second thinned portion at the second end of the second brush member is basically opposite to the radial inclination direction of the second brush member relative to the first roller brush.
  • an arrangement direction of the second thinned portion at the second end of the second brush member is opposite to an arrangement direction of the first thinned portion at the second end of the first brush member.
  • the thickness of the first brush 21 near the end of the cylindrical member 23 is less than a preset threshold value, so that the first brush 21 has a tendency to deform in both the first rotation direction and the reverse direction of the first rotation direction.
  • the support member 2111 supports the first brush member 21 close to the end of the cylindrical member, and the slit width of the slit 216 becomes smaller; and when the first brush member 21 has a tendency to deform in the reverse direction of the first rotation direction, the end of the first brush member 21 close to the cylindrical member 23 is away from the support member 2111, and the slit width of the slit 216 becomes larger.
  • the slit 216 a certain gap is provided between the first brush member 21 and the support member 2111, so that the first brush member 21 also has a certain degree of freedom in the first rotation direction, and can be appropriately deformed to adapt to different cleaning surfaces.
  • the slit width of the slit 216 can be adjusted according to the cleaning surface, thereby changing the degree of deformation of the first brush member 21 in the first rotation direction to a certain extent to adapt to different cleaning surfaces.
  • the first brush member 21 has an end portion close to the cylindrical member 23, and the support member 2111 has an inclined surface facing the end portion. Furthermore, the inclination angle ⁇ of the inclined surface relative to the circumferential section of the cylindrical member 23 is smaller than the inclination angle ⁇ of the first brush member 21 relative to the circumferential section of the cylindrical member 23, and the specific angles of the two can be adjusted according to actual conditions, so that the first brush member 21 also has a certain degree of freedom in the first rotation direction and can undergo appropriate deformation to adapt to different cleaning surfaces. In actual cleaning operations, the inclination angle ⁇ and the inclination angle ⁇ can be adjusted according to the cleaning surface, thereby changing the degree of deformation of the first brush member 21 in the first rotation direction to a certain extent to adapt to different cleaning surfaces.
  • the one-way blocking structure includes a slit, for example, a slit 215 is provided at the end of the first brush 21 on the first rotation direction side close to the cylindrical member 23.
  • a slit 215 is provided at the end of the first brush 21 on the first rotation direction side close to the cylindrical member 23.
  • the slit 215 is closed to prevent the first brush 21 from deforming in the first rotation direction;
  • the slit 215 is expanded to cause the first brush 21 to deform in the opposite direction of the first rotation direction.
  • the inclination angle of the slit 215 relative to the circumferential section of the cylindrical member 23 is smaller than the inclination angle of the first brush member 21 relative to the circumferential section of the cylindrical member 23.
  • the first brush member 21 can also have a certain degree of freedom in the first rotation direction, and can be appropriately deformed to adapt to different cleaning surfaces.
  • the inclination angle ⁇ and the inclination angle of the slit 215 relative to the circumferential section of the cylindrical member 23 can be adjusted according to the cleaning surface, thereby changing the degree of deformation of the first brush member 21 in the first rotation direction to a certain extent to adapt to different cleaning surfaces.
  • the number of the first brush members 21 can be multiple, and the multiple first brush members 21 are evenly distributed on the circumference of the cylindrical member 23.
  • the multiple first brush members 21 can work together to increase the contact area between the brush member and the cleaning surface, thereby improving the cleaning efficiency.
  • the second brush member 22 extends from one end of the cylindrical member 23 to the other end of the cylindrical member 23.
  • the extension direction of the second brush member 22 forms a certain angle with the axis of the shaft 10.
  • the second brush member 22 can be spirally arranged on the outer surface of the cylindrical member 23, so that the second brush member 22 has more contact points with the cleaning surface, and the second brush member 22 can achieve more sufficient contact with the cleaning surface, so as to facilitate the removal of garbage on the cleaning surface and improve the cleaning ability.
  • the number of the second brush members 22 can be multiple, and the multiple second brush members 22 are evenly distributed on the circumference of the cylindrical member 23. Further, the first brush member 21 and the second brush member 22 are arranged on the cylindrical member 23.
  • the brush member 20 of the roller brush 100 includes 10 brush members, 5 of which are first brush members 21 and 5 are second brush members 22. The first brush members 21 and the second brush members 22 are alternately and evenly arranged in the circumferential direction of the cylindrical member 23.
  • the support surface at the axial end of the first shaft component is compressible, and the rest Incompressible.
  • the support surface at the axial end of the second shaft component is compressible, and the remaining portion is incompressible.
  • the compressible portion of the support surface of the first shaft component has a smaller area than the incompressible portion.
  • the support surface of at least a portion of the axial length of the second shaft component has both a compressible portion and an incompressible portion in the circumferential direction.
  • the support surface of the first shaft component has a shorter length in the axial direction of the first shaft component than the first brush member.
  • the first long brush member of the first roller brush and the second long brush member of the second roller brush of the cleaning module interfere with each other to form an interference area, so that the air intake passage between the two roller brushes is at least partially closed, reducing the opening size of the air intake passage, increasing the dust suction pressure, and achieving a better dust suction effect.
  • the interference area is configured to move dynamically along a predetermined direction, so that the area with the greatest suction force in the air intake passage between the two roller brushes also moves dynamically along the predetermined direction, and dust at all positions on the operating surface swept by the roller brush has the opportunity to be sucked into the air duct in turn with greater suction force and then enter the dust box.
  • the air duct inlet of the air duct is set downstream of the predetermined direction to facilitate dust to enter the dust box through the air duct.
  • the first brush member and the second brush member rotate to a position close to each other with the first roller brush and the second roller brush, and the adjacent points of the first brush member and the second brush member dynamically move along a predetermined direction with the rotation of the two roller brushes.
  • the interference area is configured to dynamically move along a predetermined direction, for example, to dynamically move along the direction in which the first roller brush 100 and the second roller brush 200 extend, so that dust at all positions of the operating surface swept by the roller brushes has the opportunity to be sucked into the air duct in sequence with greater suction force and then enter the dust box.
  • the air duct inlet 5410 of the air duct 5400 is set downstream of the predetermined direction to facilitate dust to enter the dust box through the air duct.
  • the axis of the first shaft 110 can be regarded as the rotation axis of the first roller brush 100.
  • the driving system on the main body can drive the first shaft 110 to rotate, and the direction of rotation can be clockwise or counterclockwise.
  • the first shaft 110 rotates, it can drive other components arranged on the first shaft 10, such as the first brush member 130, to rotate together to achieve the purpose of cleaning.
  • the first brush member 130 is detachably mounted on the first shaft 110 , so as to facilitate replacement of the first brush member 130 as a consumable.
  • the first brush member 130 includes a first cylindrical member 133 and a first long brush piece 131 .
  • the first cylindrical member 133 is configured to be sleeved on the first shaft 110 so that the first cylindrical member 130 is coaxial with the first shaft 110.
  • the first cylindrical member 130 may be a long cylindrical structure, and the length of the first cylindrical member 130 is substantially the same as the length of the first shaft 110.
  • the first cylindrical member 130 is tightly sleeved on the first shaft 110, and the inner diameter of the first cylindrical member 130 is substantially equal to or slightly smaller than the diameter of the first shaft 110, so that no relative movement occurs between the first shaft 110 and the first cylindrical member 130 during the rotation process.
  • the first cylindrical member 130 may be, for example, a flexible member.
  • the first long brush member 131 is a first long blade, extending from the outer surface of the first cylindrical member 130 in a direction away from the first cylindrical member.
  • the first long brush member 131 and the first cylindrical member 130 are an integral structure, for example, integrally formed with the same material.
  • the second roller brush 200 includes a second shaft 210 and a second brush member 230.
  • the second shaft 210 may be a rod-shaped structure, such as a long cylindrical structure. Both ends of the rod-shaped structure may be detachably mounted to the bottom of the device body of the automatic cleaning device directly or through a connector.
  • the second shaft 210 together with the second brush member 230 disposed on the second shaft 210 may be detachably mounted to the long strip groove structure at the bottom of the device body, and the long strip groove structure extends along the transverse axis Y direction.
  • the axis of the second shaft 210 can be regarded as the rotation axis of the second roller brush 200.
  • the driving system on the main body can drive the second shaft 210 to rotate, and the direction of rotation can be clockwise or counterclockwise.
  • the second shaft 210 rotates, it can drive other components arranged on the second shaft 210, such as the second brush member 230, to rotate together to achieve the purpose of cleaning.
  • the second cylindrical member 233 is configured to be sleeved on the second shaft 210 so that the second cylindrical member 230 is coaxial with the second shaft 210.
  • the second cylindrical member 230 may be a long cylindrical structure, and the length of the second cylindrical member 230 is substantially the same as the length of the second shaft 210.
  • the second cylindrical member 230 is tightly sleeved on the second shaft 210, and the inner diameter of the second cylindrical member 230 is substantially equal to or slightly smaller than the diameter of the second shaft 210, so that the second shaft 210 and the second cylindrical member 230 do not move relative to each other during the rotation process.
  • the second cylindrical member 230 may be, for example, a flexible member.
  • the first long brush member 131 and its corresponding second long brush member 231 interfere with each other, for example, starting from one end, and as the first roller brush 100 and the second roller brush 200 further rotate, the interference area between the two moves from one end to the other end. As the first roller brush 100 and the second roller brush 200 rotate further, the two are free from interference, and the cycle repeats.
  • the interference area of the first long brush member 131 and its corresponding second long brush member 231 is configured to dynamically move from both ends of the combination formed by the first roller brush 131 and the second roller brush 231 toward the middle of the combination.
  • the first long brush member 131 has a first width from the root of the first long brush member to the top of the first long brush member, and the first width is greater than the distance between the first rolling brush 100 and the inner wall of the rolling brush cavity 5210; and/or the second long brush member 231 has a second width from the root of the second long brush member to the top of the second long brush member, and the second width is greater than the distance between the second rolling brush 200 and the inner wall of the rolling brush cavity 5210.
  • the first long brush member 131 and the second long brush member 231 have sufficient length to contact and beat the inner wall of the rolling brush cavity 5210.
  • the first long brush member 131 of the first roller brush 100 and the second long brush member 231 of the second roller brush 200 interfere with each other to form an interference area.
  • the first long brush member 131 and the second long brush member 231 interfere with each other between the first roller brush 100 and the second roller brush 200 to form an interference area.
  • the air intake passage between the two roller brushes is at least partially closed, the opening size of the air intake passage is reduced, the dust suction pressure is increased, and a better dust suction effect is achieved.
  • the interference area is configured to dynamically move along a predetermined direction, for example, to dynamically move along the direction in which the first roller brush 100 and the second roller brush 200 extend, so that dust at all positions of the operating surface cleaned by the roller brushes has the opportunity to be sucked into the air duct in sequence with greater suction force and then enter the dust box.
  • the air duct inlet 5410 of the air duct 5400 is arranged downstream of the predetermined direction, so that dust can enter the dust box through the air duct.
  • the second roller brush 200 includes a second shaft 210 and a second brush member 230.
  • the second shaft 210 may be a rod-shaped structure, such as a long cylindrical structure. Both ends of the rod-shaped structure may be detachably mounted to the bottom of the device body of the automatic cleaning device directly or through a connector.
  • the second shaft 210 together with the second brush member 230 disposed on the second shaft 210 may be detachably mounted to the long strip groove structure at the bottom of the device body, and the long strip groove structure extends along the transverse axis Y direction.
  • the axis of the second shaft 210 can be regarded as the rotation axis of the second roller brush 200.
  • the driving system on the main body can drive the second shaft 210 to rotate, and the direction of rotation can be clockwise or counterclockwise.
  • the second shaft 210 rotates, it can drive other components arranged on the second shaft 210, such as the second brush member 230, to rotate together to achieve the purpose of cleaning.
  • the number of the first long brush member 131 and the second long brush member 231 is multiple, and the multiple first long brush members 131 correspond to the multiple second long brush members 231 one by one, and any one of the multiple first long brush members 131 is configured to interfere with the corresponding second long brush member 231.
  • the first roller brush 100 has 5 first long brush members 131
  • the second roller brush 200 has 5 second long brush members 231.
  • Each first long brush member 131 and its corresponding second long brush member 231 respectively interfere with each other when the first roller brush 100 and the second roller brush 200 rotate to a position close to each other, for example, when they are located between the first roller brush 100 and the second roller brush 200.
  • the end of at least one end of the first roller brush 100 is provided with a mounting portion 1400 for mounting the first roller brush 100, and the mounting portion 1400 is assembled with the first end portion 52111 of the front cleaning brush mounting position 5211; the mounting portion 1400 has a plurality of mounting teeth 141, and the angle between two adjacent tooth grooves is the same as or an integer multiple of the angle between two adjacent long blades 131 on the first roller brush 100.
  • the second roller brush also has a mounting portion with the same setting, so that no matter how the first roller brush and the second roller brush are assembled, the long blades 131 of the first roller brush 100 can interfere with the long blades 231 of the second roller brush 200 accordingly.
  • the present disclosure provides an automatic cleaning device, comprising: a mobile platform, configured to automatically move on an operating surface; and a cleaning module, mounted on the mobile platform and configured to clean the operating surface, the cleaning module comprising: a first roller brush, arranged along a first direction perpendicular to the front-rear axis of the mobile platform, and a second roller brush, arranged side by side with the first roller brush, wherein at least one end of the first roller brush has a first accommodating cavity, configured to accommodate a winding object rolled up by the first roller brush, the first accommodating cavity being composed of a flexible peripheral component and a first rigid internal component; at least one end of the second roller brush has a second accommodating cavity, configured to accommodate the winding object rolled up by the first roller brush The second roller brush is rolled up into a winding, and the second accommodating cavity is composed of a rigid peripheral component and a second rigid internal component.
  • the present invention provides a receiving cavity at the end of the roller brush, so that the entangled objects can be received in the receiving cavity, and there is no need to frequently clean the entangled objects on the roller brush, thereby reducing the burden on the user.
  • the rigid cavity wall ensures the brush strength and cleaning power of the corresponding roller brush at the end, while ensuring sufficient receiving space that is not easily deformed and reduced, and the flexible cavity wall ensures the ability of large individual garbage to pass between the two cavities, effectively preventing jamming.
  • the first roller brush 100 for example, a front roller brush, is arranged along a first direction perpendicular to the front-rear axis X of the mobile platform, and the first direction is parallel to the lateral axis Y of the mobile platform.
  • the second roller brush 200 is arranged side by side with the first roller brush 100, and the second roller brush 200 is for example a rear roller brush, which is also arranged along the first direction perpendicular to the front-rear axis X of the mobile platform.
  • the first roller brush 100 is, for example, a soft roller brush, and its non-brush part can be compressed in a direction perpendicular to the axis of the first roller brush, so that larger garbage can be easily cleaned by the first roller brush.
  • the second roller brush 200 is, for example, a hard roller brush, and its non-brush part can be incompressible in a direction perpendicular to the axis of the second roller brush, so that garbage cannot easily pass through the second roller brush to ensure the cleaning effect.
  • At least one end of the first roller brush 100 has a first accommodating cavity 101 configured to accommodate the wound object rolled up by the first roller brush 100, and the first accommodating cavity 101 is composed of a flexible peripheral component and a first rigid internal component.
  • At least one end of the second roller brush 200 has a second accommodating cavity 201 configured to accommodate the wound object rolled up by the second roller brush 200, and the second accommodating cavity 201 is composed of a rigid peripheral component and a second rigid internal component.
  • the second roller brush has a receiving cavity of the same structure as the first roller brush.
  • the second roller brush has a second receiving cavity configured to accommodate the winding of the second roller brush, and the components defining the second receiving cavity include a second rigid peripheral component.
  • the second rigid peripheral component includes a portion of the second shaft, for example, the second rigid peripheral component includes the inner wall of the end of the second shaft.
  • the components defining the second receiving cavity also include a second rigid internal component, and the second rigid internal component includes at least a portion of the end member.
  • Both roller brushes are designed to accommodate entangled objects in the accommodating cavity, so there is no need to frequently clean the entangled objects on the roller brushes, thereby reducing the burden on users.
  • the first roller brush 100 includes a first shaft 110 and a first end structure 120 .
  • the first shaft 110 has a shaft body 113 and a first end 111 located at at least one side of the shaft body 113 .
  • the cross-sectional dimension of the shaft body 113 perpendicular to the axial direction is greater than the cross-sectional dimension of the first end 111 perpendicular to the axial direction.
  • the first end member 120 is configured to be mounted on the first end 111, and the first rigid internal component includes a portion of the first end member 120.
  • the first end member 120 is made of a hard material. In some embodiments, the first end member 120 is detachably mounted on the first end 111.
  • the first end member 120 includes a guide sleeve 121, which is configured to accommodate the first end 111 so that the first end member 120 is installed on the first end 111, and the first rigid internal component includes at least a portion of the guide sleeve 121.
  • a portion of the first end member 120 surrounds at least a portion of the guide sleeve 121, and the two form the first accommodating cavity 101.
  • the first end member 120 has an introduction portion 1211, and the introduction portion 1211 is arranged on the inner circumferential wall of the guide sleeve 121.
  • the first end 111 includes a first matching portion 1111, and the introduction portion 1211 matches with the first matching portion 1111 to form a guiding matching structure so that the first end member 120 is installed to the first end 111.
  • the introduction portion 1211 is disposed on the inner circumferential wall of the guide sleeve 121, and the introduction portion 1211 extends in a circumferential spiral along the guide sleeve 121 in a direction toward the first shaft rod 110.
  • the first matching portion 1111 is correspondingly disposed on the outer circumference of the first end portion 111, and the first matching portion 1111 extends in a circumferential spiral along the first end portion 111 in a direction toward the first end member 110.
  • the guide matching structure formed by the introduction portion 1211 and the first matching portion 1111 is a spiral guide matching structure.
  • one of the introduction portion 1211 and the first matching portion 1111 is a convex portion, and the other is a concave portion.
  • the first roller brush 100 further includes a first brush member 130 sleeved on the first shaft 110, the first brush member 130 including a first cylindrical member 131 and a first brush member 132, the first cylindrical member 131 sleeved on the first shaft 110 so that the first cylindrical member 131 and the first shaft are coaxial 132; the first brush member 132, such as a blade, extends from the outer surface of the first cylindrical member 131 in a direction away from the first cylindrical member 131.
  • the first cylindrical member 131 is formed of a Made of flexible material, the flexible peripheral component includes a portion of the first cylindrical member 131 .
  • the first cylindrical member 131 and the first brush member 132 are both made of flexible material, such as colloid material, and are integrally formed.
  • the first roller brush 100 further includes a flexible filler 120 located between the first shaft 110 and the first cylindrical member 131.
  • the flexible filler 120 is, for example, coated on the outer periphery of the shaft body 113, while exposing at least a portion of the first end 111.
  • the first cylindrical member 131 of the first brush member 130 is coated on the outer periphery of the flexible filler 120.
  • the first roller brush 100 thus constructed is a soft roller brush.
  • the end of the first cylindrical member 131 close to the first end cover member 120 has a first accommodating space 1311 opening toward the first end cover member 120, and the first accommodating space 1311 accommodates a portion of the first end cover member 120 and the first end 111, and a portion of the first accommodating space 1311 constitutes the first accommodating cavity 101.
  • the first cylindrical member 131, the flexible filler 120 and the first shaft 110 are all coaxially arranged, and the length of the flexible filler 120 in the axial direction is less than the length of the first shaft 110.
  • the flexible filler 120 only covers the shaft body 113 of the first shaft 110 and exposes the first end portions 111 located on both sides of the shaft body 113.
  • the length of the first cylindrical member 131 in the axial direction is greater than or equal to the length of the first shaft 110.
  • a first accommodating space 1311 opening toward the first end cover member 120 can be formed at both ends of the first cylindrical member 131.
  • a portion of the first accommodating space 1311 constitutes the first accommodating cavity 101.
  • the end of the first end cap member 120 far from the first shaft 110 has a first assembly structure 122, and the first assembly structure 122 is used to assemble the first roller brush 100 to the cleaning module, and the first assembly structure 122 can be installed in matching with the mounting position on the cleaning module.
  • the distance between the opening of the first accommodating space 1311 and the first assembly structure 122 is less than or equal to the distance between the first end 111 and the first assembly structure 122.
  • the end face of the first cylindrical member 131 close to the first assembly structure 122 is flush with or closer to the first assembly structure 122 relative to the end face of the first end 111 close to the first assembly structure 122.
  • the first end cap member 120 includes a driving side end cap member and a driven side end cap member.
  • the first assembly structure 122 is a transmission structure, which can be connected to the driving unit in the cleaning module, so that the driving unit drives the first roller brush 100 to rotate.
  • the first assembly structure 122 is a bearing structure to facilitate the rotation of the first roller brush 100 .
  • the first end cap member 120 further includes a first blocking structure 123, which is disposed between the assembly structure 122 and the guide sleeve 121 to prevent the winding from excessively extending away from the first brush member.
  • the circumferential dimension of the first blocking structure 123 is greater than the circumferential dimension of the assembly structure 122 and the guide sleeve 121.
  • the first accommodating space 1311 accommodates a portion of the guide sleeve 121, and the first blocking structure 123 is spaced a first preset distance from the opening of the first accommodating space 1311. This arrangement allows the winding to enter the first accommodating portion 101 during the rotation of the first roller brush 100.
  • Figure 36 is a schematic diagram of the exploded structure of the second roller brush provided in some embodiments of the present disclosure
  • Figure 37 is a schematic diagram of the exploded structure of the second roller brush provided in some embodiments of the present disclosure
  • Figure 38 is a schematic diagram of the cross-sectional structure of the second roller brush provided in some embodiments of the present disclosure.
  • the second roll brush 200 includes a second shaft 210 and a second end member 2200 .
  • the second shaft 210 has at least one second end 212. In some embodiments, both ends of the second shaft 210 have a second end 212, and the second end 212 has a fitting 213.
  • the second end member 2200 is configured to be matched with the fitting 213 so that the second end member 2200 can be mounted on the second end 212 of the second shaft 210.
  • the second end portion 212 has a second accommodating space 2112 opened toward the second end member 2200, the matching piece 213 is accommodated in the second accommodating space 2112, the rigid peripheral component includes a portion of the second end portion 212, and the second accommodating cavity 201 includes a portion of the second accommodating space 2112.
  • the second end member 2200 includes a guide rod 222, at least a portion of which extends into the second accommodating space 2112 so that the second end member 2200 is matched and installed with the matching piece 213, and the second rigid internal component includes at least a portion of the guide rod 222.
  • the guide rod 222 extends into the second accommodating space 2112 and is matched with the matching piece 213.
  • the end of the guide rod 222 close to the second shaft 210 is inserted into the matching piece 213 to form a matching connection.
  • the outer wall of a portion of the guide rod 222 and the inner wall of the second end 212 of the second shaft 210 form the second accommodating cavity 201.
  • the second roller brush 200 further includes a second brush member 230 sleeved on the second shaft 210, and the second brush member 230 includes a second cylindrical member 231 and a second brush member 232.
  • the second cylindrical member 231 is sleeved on the second shaft 210 so that the second cylindrical member 231 is coaxial with the second shaft 210.
  • the second brush member 232 such as a blade, extends from the outer surface of the second cylindrical member 231 in a direction away from the second cylindrical member 231, and the axial length of the second cylindrical member 231 is less than or equal to the length of the second shaft 210.
  • the second cylindrical member 231 can completely cover the outer peripheral surface of the second shaft 210, and can also expose a portion of the outer peripheral surface of the second end of the second shaft 210. Such an arrangement ensures that the second cylindrical member does not collapse under pressure, thereby ensuring the strength and cleaning power of the brush member; preferably, the axial length of the second cylindrical member 231 is equal to the length of the second shaft 210, thereby ensuring sufficient cleaning width while ensuring strength and power.
  • the second shaft 210 is a rigid component, and the second brush member 230 and the second cylindrical member 231 can be directly sleeved on the second shaft 210 .
  • a rigid filler may be further filled between the second brush member 230 and the second shaft 210 , and the rigid filler may be considered as a component of the second shaft 210 .
  • the second end cap member 220 has a second assembly structure 221 at the end far from the second shaft 210, and the second assembly structure 221 is used to assemble the second roller brush 200 to the cleaning module, and the second assembly structure 221 can be installed in matching with the mounting position on the cleaning module.
  • the distance between the opening of the second accommodating space 1311 and the first assembly structure 122 is less than or equal to the distance between the second brush member 230 and the second assembly structure 221.
  • the end face of the second cylindrical member 231 close to the second assembly structure 221 is flush with or further away from the second assembly structure 221 relative to the end face of the second end 212 close to the second assembly structure 221.
  • the second end cap member 220 includes a driving side end cap member and a driven side end cap member.
  • the second end cap member 220 is a driving side end cap member, such as the second end cap member on the left side as shown in Figures 36 to 38
  • the second assembly structure 221 is a transmission structure, which can be connected to the driving unit in the cleaning module.
  • the driving unit drives the second roller brush 200 to rotate.
  • the second assembly structure 222 is a bearing structure to facilitate the rotation of the second roller brush 200.
  • the second end cap member 220 further includes a second blocking structure 225, which is disposed between the second assembly structure 221 and the guide rod 222 to prevent the winding from excessively extending away from the second brush member.
  • the circumferential dimension of the second blocking structure 225 is greater than the circumferential dimension of the second assembly structure 221 and the guide rod 222.
  • the second accommodating space 2112 accommodates a portion of the guide rod 222, and the second blocking structure 225 is spaced a second preset distance from the opening of the second accommodating space 2112. This arrangement allows the winding object to enter the second accommodating portion 201 during the rotation of the second roller brush 200.
  • the number of guide portions 2211 of the two side end members is different, forming an anti-reverse installation design; in some embodiments, the number of guide portions of the drive side end cover member is corresponding to the number of second brush member groups, and the number of guide portions is usually set to a divisor of the number of second brush member groups to ensure the required alignment relationship of the blades after assembly; in some embodiments, the second assembly member 222 on the drive side is set in a manner that directly corresponds to the guide portion, that is, the second assembly structure is composed of N first repeatable unit shapes in the circumferential direction, N is the number of guide portions, and the guide portion has N second repeatable units along the circumferential direction, N is a positive integer, and N is greater than or equal to 2, the first or second repeatable units constitute a regular or irregular polygon, the regular polygon is a plum blossom-shaped N-gon, in some embodiments, the N first repeatable units of the first roller brush constitute a regular polygon, and the N first repeat
  • An embodiment of the present disclosure provides an automatic cleaning device, comprising: a first roller brush, the first roller brush including a first brush member; and a second roller brush, arranged approximately side by side with the first roller brush, the second roller brush including a second brush member; wherein, when the first roller brush and the second roller brush rotate, at least part of the outer contour formed by the trajectory of the outer end of the first brush member and the outer contour formed by the trajectory of the outer end of the second brush member interfere with each other.
  • At least one of the first roller brush and the second roller brush is incompressible.
  • the first tubular member is not compressible in the length direction of the first shaft.
  • the first shaft is a hard rod.
  • At least one of the first roll brush and the second roll brush further includes a first cylindrical member and a first shaft.
  • At least one of the first roller brush and the second roller brush is incompressible.
  • the first roller brush and the second roller brush rotate, the first brush member and the The second brush parts are mutually supported.
  • the first brush and the second brush have an interference effect, so that the air intake passage between the two roller brushes is at least partially closed, the opening size of the air intake passage is reduced, and the dust suction pressure is increased, so that the garbage swept between the first roller brush and the second roller brush is smoothly rolled up, and a better dust suction effect is achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Brushes (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)

Abstract

L'invention concerne un dispositif de nettoyage automatique comprenant une première brosse roulante (100), la première brosse roulante (100) comprenant des premiers éléments de brosse (132), et une seconde brosse roulante (200), la seconde brosse roulante (200) et la première brosse roulante (100) étant disposées sensiblement côte à côte, la seconde brosse roulante (200) comprenant des seconds éléments de brosse (232). Lors de la rotation de la première brosse roulante (100) et de la seconde brosse roulante (200), le contour externe formé par la trajectoire de la partie terminale externe de chaque premier élément de brosse (132) et le contour externe formé par la trajectoire de la partie terminale externe de chaque second élément de brosse (232) interfèrent au moins partiellement l'un avec l'autre.
PCT/CN2023/129344 2022-12-30 2023-11-02 Dispositif de nettoyage automatique WO2024139711A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR2020247000056U KR20240001407U (ko) 2022-12-30 2023-11-02 자동 청소 장치
DE212023000113.6U DE212023000113U1 (de) 2022-12-30 2023-11-02 Automatische Reinigungsvorrichtung

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
CN202211736856.6A CN116998955A (zh) 2022-12-30 2022-12-30 自动清洁设备
CN202211739794.4 2022-12-30
CN202211734557.9A CN116998954A (zh) 2022-12-30 2022-12-30 自动清洁设备
CN202211740301.9A CN116998959A (zh) 2022-12-30 2022-12-30 自动清洁设备
CN202211739051.7 2022-12-30
CN202211740301.9 2022-12-30
CN202211736856.6 2022-12-30
CN202211739794.4A CN116998957A (zh) 2022-12-30 2022-12-30 自动清洁设备
CN202211739051.7A CN116998987A (zh) 2022-12-30 2022-12-30 滚刷及自动清洁设备
CN202211734557.9 2022-12-30

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WO2024139711A1 true WO2024139711A1 (fr) 2024-07-04
WO2024139711A9 WO2024139711A9 (fr) 2024-08-29

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PCT/CN2023/129326 WO2024139706A1 (fr) 2022-12-30 2023-11-02 Dispositif de nettoyage automatique
PCT/CN2023/129329 WO2024139707A1 (fr) 2022-12-30 2023-11-02 Appareil de nettoyage automatique
PCT/CN2023/129344 WO2024139711A1 (fr) 2022-12-30 2023-11-02 Dispositif de nettoyage automatique
PCT/CN2023/129347 WO2024139712A1 (fr) 2022-12-30 2023-11-02 Appareil de nettoyage automatique
PCT/CN2023/129333 WO2024139709A1 (fr) 2022-12-30 2023-11-02 Dispositif de nettoyage automatique
PCT/CN2023/129339 WO2024139710A1 (fr) 2022-12-30 2023-11-02 Appareil de nettoyage automatique
PCT/CN2023/129332 WO2024139708A1 (fr) 2022-12-30 2023-11-02 Appareil de nettoyage automatique
PCT/CN2023/129320 WO2024139704A1 (fr) 2022-12-30 2023-11-02 Appareil de nettoyage automatique
PCT/CN2023/129325 WO2024139705A1 (fr) 2022-12-30 2023-11-02 Dispositif de nettoyage automatique

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PCT/CN2023/129347 WO2024139712A1 (fr) 2022-12-30 2023-11-02 Appareil de nettoyage automatique
PCT/CN2023/129333 WO2024139709A1 (fr) 2022-12-30 2023-11-02 Dispositif de nettoyage automatique
PCT/CN2023/129339 WO2024139710A1 (fr) 2022-12-30 2023-11-02 Appareil de nettoyage automatique
PCT/CN2023/129332 WO2024139708A1 (fr) 2022-12-30 2023-11-02 Appareil de nettoyage automatique
PCT/CN2023/129320 WO2024139704A1 (fr) 2022-12-30 2023-11-02 Appareil de nettoyage automatique
PCT/CN2023/129325 WO2024139705A1 (fr) 2022-12-30 2023-11-02 Dispositif de nettoyage automatique

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KR (9) KR20240001400U (fr)
DE (9) DE212023000116U1 (fr)
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WO2024139712A9 (fr) 2024-08-29
WO2024139706A9 (fr) 2024-08-29
WO2024139708A9 (fr) 2024-08-29
WO2024139712A1 (fr) 2024-07-04
WO2024139704A1 (fr) 2024-07-04
WO2024139710A1 (fr) 2024-07-04
TWM658009U (zh) 2024-07-21
DE212023000106U1 (de) 2024-08-09
TWM658011U (zh) 2024-07-21
KR20240001399U (ko) 2024-08-20
KR20240001407U (ko) 2024-08-20
DE212023000116U1 (de) 2024-07-16
TWM657728U (zh) 2024-07-11
WO2024139711A9 (fr) 2024-08-29
DE212023000115U1 (de) 2024-07-16
DE212023000114U1 (de) 2024-07-16
KR20240001406U (ko) 2024-08-20
KR20240001405U (ko) 2024-08-20
KR20240001401U (ko) 2024-08-20
TWM658010U (zh) 2024-07-21
WO2024139707A1 (fr) 2024-07-04
KR20240001400U (ko) 2024-08-20
WO2024139705A1 (fr) 2024-07-04
KR20240001404U (ko) 2024-08-20
DE212023000107U1 (de) 2024-08-09
WO2024139709A1 (fr) 2024-07-04
WO2024139710A9 (fr) 2024-08-29
WO2024139706A1 (fr) 2024-07-04
KR20240001403U (ko) 2024-08-20
DE212023000112U1 (de) 2024-07-16
DE212023000109U1 (de) 2024-08-09
DE212023000113U1 (de) 2024-07-16
WO2024139705A9 (fr) 2024-08-29
WO2024139704A9 (fr) 2024-08-29
WO2024139707A9 (fr) 2024-08-29
DE212023000118U1 (de) 2024-07-25
KR20240001402U (ko) 2024-08-20
WO2024139709A9 (fr) 2024-08-22

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