EP4226836A1 - Floor brush, cleaning device, and roller brush disassembly/assembly method - Google Patents

Floor brush, cleaning device, and roller brush disassembly/assembly method Download PDF

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Publication number
EP4226836A1
EP4226836A1 EP21888625.7A EP21888625A EP4226836A1 EP 4226836 A1 EP4226836 A1 EP 4226836A1 EP 21888625 A EP21888625 A EP 21888625A EP 4226836 A1 EP4226836 A1 EP 4226836A1
Authority
EP
European Patent Office
Prior art keywords
roller brush
brush
roller
driving shaft
floor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21888625.7A
Other languages
German (de)
English (en)
French (fr)
Inventor
Chao Ye
Chunfeng ZHOU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tineco Intelligent Technology Co Ltd
Original Assignee
Tineco Intelligent Technology Co Ltd
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
Application filed by Tineco Intelligent Technology Co Ltd filed Critical Tineco Intelligent Technology Co Ltd
Publication of EP4226836A1 publication Critical patent/EP4226836A1/en
Pending legal-status Critical Current

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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
    • 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
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the 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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L9/0427—Gearing or transmission means therefor
    • A47L9/0433—Toothed gearings
    • 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
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3033—Household brush, i.e. brushes for cleaning in the house or dishes

Definitions

  • the present disclosure relates to the field of designing mechanical structure, and particularly relates to a floor brush, a cleaning device and a roller brush disassembly/assembly method.
  • the floor cleaning machine becomes popular among consumers for its powerful capability of cleaning floor and characteristics for dry-and-wet usage.
  • the cleaning machine contains a floor brush, and when cleaning the floor, the roller brush of the floor brush is used to continuously wipe the floor to achieve the effect of cleaning the floor.
  • roller brush Since the roller brush is constantly in contact with dirt, the user needs to remove the roller brush from the floor brush to make it clean. Thus, the convenience of disassembling the roller brush is particularly important.
  • the present disclosure provides a floor brush, a cleaning device and a roller brush disassembly/assembly method, so that to solve the above problems or at least partially solve the above problems.
  • a first aspect of an embodiment of the present disclosure provides a floor brush, which includes:
  • a disassembling direction of the connecting piece from the connecting part is parallel to an axial direction.
  • the connecting part is provided with a first magnetic piece, and the connecting piece is provided with a second magnetic piece;
  • the open end is provided with a concave portion, and the connecting part is disposed in the concave portion; in a state in which the connecting part is connected to the connecting piece, an outer surface of the connecting piece is lower than the concave portion, or the outer surface of the connecting piece is flush with a top surface of the concave portion, in the axial direction of the roller brush.
  • the second aspect of an embodiment of the present disclosure provides a floor brush, which includes:
  • the driving shaft of the driving means is configured to rotate in a second rotating direction, so that the roller brush moves relatively to the driving shaft to the preset mounting position; and the second rotating direction is the rotating direction in which the roller brush performs cleaning.
  • the roller brush when the driving shaft of the driving means rotates in the first rotating direction, the roller brush is driven to move axially in a first direction;
  • the driving means includes a driving shaft, one end of the roller brush is provided with a hollow portion, the driving shaft is inserted into the hollow portion, and the driving shaft is helically engagable with an inner wall of the hollow portion.
  • one end of the roller brush is provided with a hollow portion, a tension structure is provided between the driving shaft and the roller brush, and the tension structure includes:
  • the other end of the floor brush body is provided with an avoiding space for movement of the roller brush so that the roller brush is shiftable axially.
  • the other end of the floor brush body is an open end to form the avoiding space
  • the connecting part is in the shape of a boss, and the edge of the connecting piece is provided with a positioning wall which is engagable with the side wall of the boss to position the connecting part with respect to the connecting piece.
  • one end of the connecting piece is rotatably connected to the roller brush, and the other end of the connecting piece is magnetically connected with the connecting part.
  • the connecting part is provided with a first magnetic piece, and the connecting piece is provided with a second magnetic piece;
  • the first magnetic piece is disposed in the groove, and at least part of the protrusion forms the second magnetic piece.
  • the open end is provided with a concave portion, and the connecting part is disposed in the concave portion; in a state in which the connecting part is connected to the connecting piece, an outer surface of the connecting piece is lower than the concave portion, or, the outer surface of the connecting piece is flush with the top surface of the concave portion, in the axial direction of the roller brush.
  • the floor brush further includes an operation switch, which electrically connects to the driving means, and in a state in which the operation switch is on, the driving means drives the roller brush to rotate in the first rotating direction.
  • the fourth aspect of an embodiment of the present disclosure provides a cleaning device, including a body and a floor brush, and the floor brush includes:
  • a driving means is provided on the floor brush body in an embodiment of the present disclosure, the driving means is rotatable in different directions, when the driving shaft of the driving means rotates in the first rotating direction, the roller brush moves to be off the preset mounting position, and the first rotating direction is opposite to the rotating direction in which the roller brush performs cleaning.
  • the driving means drives the roller brush to be off the preset mounting position, thereby the roller brush may be automatically and rapidly removed, the operating efficiency is improved and the difficulty of user operation is reducd.
  • the fifth aspect of an embodiment of the present disclosure provides another floor brush, which includes:
  • the sixth aspect of an embodiment of the present disclosure provides another cleaning device, including a body and a floor brush, and the floor brush includes:
  • connection herein includes any direct and indirect means of connection. Therefore, if a first device is described as being connected to a second device, it means that the first device may be directly connected to the second device, or indirectly connected to the second device through other devices.
  • the following description of the specification is a preferred embodiment of the present disclosure, but the description is intended to illustrate the general principles of the present disclosure and is not intended to limit the scope of the present disclosure. The scope of protection of the present disclosure shall be subject to the definition of the attached claims.
  • FIG. 1 is a schematic diagram of the state in which a roller brush is ready to be disengaged from a floor brush body provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of the state in which a roller brush is assembled to a floor brush body provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic structure diagram of a roller brush provided by an embodiment of the present disclosure.
  • the floor brush 100 includes a floor brush body 10, and a roller brush 20.
  • the driving means 11 may include a motor, the driving means 11 may be provided with a driving shaft 111, and the roller brush 20 may be specifically drivably-connected to the driving shaft 111, so that the driving means 11 can drive the roller brush 20 to rotate.
  • the driving shaft 111 of the driving means 11 is configured to rotate in a first rotating direction S1, so that the roller brush 20 moves relatively to the driving shaft 111 and is off a preset mounting position, and the first rotating direction S1 is opposite to the rotating direction in which the roller brush 20 performs cleaning.
  • the preset mounting position refers to the preset fastening position where the roller brush 20 is fastened on the driving shaft 111 when the cleaning device is performing cleaning.
  • FIG. 6 is a schematic structure diagram of a cleaning device provided by an embodiment of the present disclosure.
  • the cleaning device includes a floor brush 100, and a body 200.
  • the floor brush 100 and the body 200 may be rotatably connected through an elastic part, or the floor brush 100 and the body 200 may be hinged together, but the present embodiment is not limited thereby.
  • the floor brush body 10 is further provided with one or more traveling wheels.
  • the body 200 is equipped with a cleaning liquid bucket 200a, a recycling bucket 200b, a water spray system and a sucking system.
  • the cleaning liquid in the cleaning liquid bucket 200a is sprayed to the floor or the roller brush by the water spray system.
  • the roller brush 20 continuously rolls to wipe the floor to clean the floor.
  • the sucking system works, it forms a negative pressure to provide sucking power, so that dirt and sewage on the floor can be sucked through the sucking passage of the floor brush body 10.
  • the body 200 may be further equipped with a main motor, which may be configured to provide the sucking power of the sucking system.
  • the body 200 may be further equipped with a control system to control other functions of the cleaning device, which will not be omitted herein to avoid redundancy.
  • the floor brush provided by the embodiment of the present disclosure provides the driving means on the floor brush body, the driving means can rotate in different directions.
  • the driving shaft of the driving means rotates in the first rotating direction
  • the roller brush may be off the preset mounting position, and the first rotating direction is opposite to the rotating direction in which the roller brush performs cleaning.
  • the driving means drives the roller brush to be off the preset mounting position, thereby the roller brush may be automatically and rapidly removed, and operational efficiency is improved and the difficulty of user operation is lowered. Furthermore, as shown in FIG.
  • the driving shaft 111 of the driving means 11 is configured to rotate in a second rotating direction S2, so that the roller brush 20 moves relatively to the driving shaft 111 to the preset mounting position, and the second rotating direction S2 is the rotating direction in which the roller brush 20 performs cleaning.
  • the rotating direction of the driving shaft 111 is the second rotating direction S2 when the roller brush 20 is assembled, and the rotating direction of the roller brush 20 is also the second rotating direction S2 when the cleaning device is performing cleaning, and thus the driving shaft 111 rotates in a tightening direction with respect to the roller brush 20 during the use of the cleaning device, and the roller brush 20 will not be disengaged from the floor brush body 10, so that safety and reliability may be ensured in use.
  • the driving shaft 111 of the driving means 11 rotates in the second rotating direction S2, so that the roller brush 20 moves to be off the preset mounting position.
  • the rotation of the driving means 11 drives the roller brush 20 to move to the preset mounting position or be off the preset mounting position
  • a preferred embodiment is given below: Specifically, as shown in FIG. 1 and FIG. 2 , when the driving shaft 111 of the driving means 11 rotates in the first rotating direction S 1, the roller brush 20 is driven to move axially in a first direction A1. When the driving shaft 111 of the driving means 11 rotates in the second rotating direction S2, the roller brush 20 is driven to move axially in a second direction A2. More particularly, the first direction A1 is the direction in which the roller brush 20 is away from the driving means 11, and the second direction A2 is the direction in which the roller brush 20 moves to the driving means 11. That is to say, the rotation of the driving shaft 111 drives the roller brush 20 to move axially so as to switch between the preset mounting position and a position other than the reset mounting position.
  • one end of the roller brush 20 is provided with a hollow portion 21, the driving shaft 111 is inserted into the hollow portion 21, and the driving shaft 111 is helically engagable with the inner wall of the hollow portion 21.
  • a through-hole or blind hole may be provided in the axial direction of the roller brush 20 to form the hollow portion 21.
  • a spiral rib may be provided on one of the side wall of the hollow portion 21 and the outer wall of the driving shaft 111, and a spiral groove matched with the spiral rib may be provided on the other one of the side wall of the hollow portion 21 and the outer wall of the driving shaft 111.
  • the roller brush 20 may be driven to move axially away from the driving means 11 (in the first direction A1) to be off the preset mounting position, and when the driving shaft 111 rotates in the second rotating direction S2, the roller brush 20 may be driven to move axially to the driving means 11 (in the second direction A2) to the preset mounting position.
  • the roller brush 20 may move from the initial position (the position where the roller brush 20 just contact the driving shaft 111) to the preset mounting position with inertia, or, rotate from the preset mounting position to be completely off the driving shaft 111.
  • the entire process only needs the user to place the roller brush 20 in the initial position where it is contacted with the driving shaft 111, and thus the difficulty of user operation is lowered a lot, and assembling and disassembling would be convenient and labor-saving.
  • the rotating speed of the driving means 11 should not be too large, in order to avoid the roller brush 20 suddenly moving in the axial direction at an excessively large speed to collide with the floor brush body 10, causing damage to the components.
  • Those skilled in the art may specifically determine the rotating speed of the driving means 11 according to actual situations.
  • the present embodiment is substantially the same as Eobiment 1, except the structure between the driving shaft 111 and the roller brush 20, to provide another structure to drive the driving shaft 111 of the driving means 11 rotate to drive the roller brush 20 to move relatively to the driving shaft 111 to the preset mounting position, and to be off the preset mounting position.
  • FIG. 4 is a schematic view of the state in which a roller brush disengages from a driving shaft provided by another embodiment of the present disclosure
  • FIG. 5 is a schematic diagram of the state in which a roller brush and a driving shaft are tightly engaged by a tensioning structure, and the roller brush is in a preset mounting position with respect to the driving shaft, provided by another embodiment of the present disclosure.
  • a tensioning structure may be provided between the driving shaft 111 and the hollow portion 21 of the roller brush 20, and the tensioning structure 30 may include a ratchet 31 and a roller holder 32, a plurality of rollers 33 is movably provided on the roller holder 32, each of the rollers 33 may float in the radial direction, and is rotatable on the roller holder 32.
  • the ratchet 31 may be sleeved on the driving shaft 111, and the roller holder 32 is sleeved outside of the ratchet 31.
  • the ratchet 31 is driven to rotate to the highest point of the ratchet 31 to contact the rollers 33 and the inner wall of the hollow portion 21 of the roller brush 20, and the roller brush 20 is in the preset mounting position.
  • the driving shaft 111 rotates clockwisely
  • the ratchet 31 fixed on the driving shaft 111 rotates clockwisely, so that the rollers 33 on the roller holder 32 to be clamped between the high point of the ratchet 31 and the inner wall of the hollow portion 21 of the roller brush 20.
  • the roational directions of the driving shaft 111 and the roller brush 20 are also the second rotating direction S2 (clockwise direction as shown in FIG. 5 ), and thus, during the normal operation of the cleaning device, the clamping power among the roller brush 20, the roller holder 32 and the driving shaft 111 is increasing, enabling them to be reliably fixed.
  • an elastic recovery part may be provided between the roller holder 32 and the ratchet 31, so that when the roller brush 20, the roller holder 32 and the ratchet 31 are in a unclamped state, the rollers 33 on the roller holder 32 may always be at the lowest point of the ratchet 31, to avoid the assembling restriction of the roller brush 20 when the roller brush 20 is initially assembled.
  • the user may directly insert the roller brush 20 axially onto the driving shaft 111, and sleeve it outside the roller holder 32 (as shown in FIG.
  • the roller brush 20, rollers 33 and ratchet 31 are still in a clamped state, and when it is time to disassemble the roller brush 20 from the driving shaft 111, the driving means 11 may be actuated, as shown in FIG. 4 , so that when the driving shaft 111 rotates in the first rotating direction S 1, the ratchet 31 is driven to rotate to the lowest point of the ratchet 31 and contact with the rollers 33.
  • the rollers 33 is disengaged from the inner wall of the hollow portion 21 of the roller brush 20, and the roller brush 20 is off the preset mounting position, and at this time, the roller brush 20 may be removed axially from the driving means 11 (in the second direction A1).
  • the other end of the floor brush body 10 may be provided with a avoiding space for the movement of the roller brush 20, so that the roller brush 20 may be shifted axially. With the avoiding space, no influences would be applied on the axial translation of the roller brush 20, and it is convenient for users to operate.
  • the end of the floor brush body 10 away from the driving means 11 may be an open end, the open end forms the avoiding space described above. That is to say, there is no shelding by a shell part of the floor brush body 10at the open end, so as to provide a space for the roller brush 20 to move axially.
  • the end of the floor brush body 10 away from the driving means 11 may be a close end, but there may be a penetration hole (not shown in the figures) capable of providing free penetration of the roller brush 20.
  • the cross-section of the penetration hole may be greater than or equal to the cross-section of the roller brush 20, so that the roller brush 20 can move axially in the penetration hole.
  • the other end of the floor brush body 10 is provided with a connecting part 101
  • the roller brush 20 is provided with a connecting piece 201
  • the connecting part 101 is detachably connected to the connecting piece 201.
  • the thickness of the connecting piece 201 on the roller brush 20 may be as thin as possible as long as it meets the strength requirements. Therefore, the distance between the end of the roller brush 20 and the side wall parallel to the movement direction of the floor brush body 10 may be as small as possible, when the roller brush 20 is in the assembled state and the cleaning device is performinng the cleaning. And thus the roller brush 20 can clean the area on a side of the roller brush 20, to reduce the dead corners in cleaning, and improve the cleaning effect.
  • the disassembly direction of the connecting part 101 and the connecting piece 201 is parallel to the axial direction. In this way, while the roller brush 20 moves in the axial direction, the assembly or disassembly between the connecting part 101 and the connecting piece 201 may be implemented. To Users, it is only necessary to operate the roller brush 20 to move axially, without other operations required, and thus the disassembly and assembly of the roller brush 20 are extremely simple, and the user experience is greatly improved.
  • the connecting part 101 may be in a shape of a boss, the edge of the connecting piece 201 has a positioning wall 2011, and the positioning wall 2011 cooperates with the side wall 1011 of the boss to position the connecting part 101 with respect to the connecting piece 201.
  • the positioning wall 2011 of the connecting piece 201 and the side wall 1011 of the connecting part 101 With the cooperation of the positioning wall 2011 of the connecting piece 201 and the side wall 1011 of the connecting part 101, the fixing between the connecting part 101 and the connecting piece 201 is more stable.
  • the connecting part 101 and the connecting piece 201 are not only constrained in the direction parallel to the axial direction, but also difficult to be shaken in other directions. Even if the roller brush 20 vibrates during use, affects would be hardly applied to the stability of the connection between the connecting part 101 and the connecting piece 201.
  • one end of the connecting piece 201 may be rotatably connected to the roller brush 20, and the other end of the connecting piece 201 may be magnetically connected with the connecting part 101.
  • One end of the connecting piece 201 is rotatably connected to the roller brush 20.
  • a bearing may be provided between the connecting piece 201 and the roller brush 20. The rotation of the roller brush 20 will apply no influence on the position of the connecting piece 201, during normal working. Thus, a stable connection can be also maintained between the connecting piece 201 and the connecting part 101.
  • the magnetic connection between the other end of the connecting piece 201 and the connecting part 101 makes the connection therebetween simple and easy to disassemble and assemble.
  • the connecting piece 201 arrives at the magnetic connection position of the connecting part 101, due to the fact that magnetic power is effective within a certain range, with the application of the magnetic power, the connecting piece 201 tends to move towards the connecting part 101, so that the connecting piece 201 can be quickly positioned and connected with the connecting part 101.
  • the “one end” and “other end” of the connecting piece 201 are only used to define the position of the connection point of the connecting piece 201, and should not be understood as limitation on the shape of the connecting piece 201 to be in a long structure.
  • the structural shape of the connecting piece 201 may be any shape, for example, it may be a long bar, a circle, a square, an oval, a triangle, etc.. There is no limitation thereon in the present embodiment.
  • the connecting piece 201 is in a shaple of a long bar.
  • the connecting part 101 is provided with a first magnetic piece, and the connecting piece 201 is provided with a second magnetic piece; at least one of the connecting piece 201 and the connecting part 101 is provided with a protrusion 2012, and the other one of the connecting piece 201 and the connecting part 101 is provided with a groove 1011 matched with the protrusion 2012.
  • the connecting piece 201 is provided with a protrusion 2012, and the groove 1011 is provided on the connecting part 101.
  • the protrusion 2012 of the connecting piece 201 is inserted into the groove 1011 so that the relative positioning between the connecting piece 201 and the connecting part 101 is more accurate.
  • the protrusion 2012 and the groove 1011 are in the preset engaging position (when the protrusion 2012 arrives at the bottom of the groove 1011), the first magnetic piece and the second magnetic piece are just contacted and connected with each other, and at this time, the connecting piece 201 and the connecting part 101 arrive at the final and most stable fixed position.
  • the first magnetic piece is disposed in the groove 1011, and at least part of the protrusion 2012 forms the second magnetic piece.
  • the first magnetic piece may be located at the bottom end of the groove 1011, and part of the protrusion 2012 may be made of magnetic material, so that the part of the protrusion 2012 forms the second magnetic piece.
  • the protrusion 2012 may be the second magnetic piece as a whole, or even the entire connecting piece 201 may be the second magnetic piece.
  • the first magnetic piece may be a magnet
  • the second magnetic piece may be a metal material attractable by the magnet
  • the connecting piece 201 may be made of materials such as stainless steel, iron, nickel, cobalt, etc. as a whole. It is obvious that, in some other embodiments, the first magnetic piece may be a metal material attractable by a magnet, and the second magnetic piece may be a magnet.
  • the open end may be provided with a concave portion 1012, and the connecting part 101 may be disposed in the concave portion 1012.
  • the outer surface of the connecting part 101 may be lower than the concave portion 1012, or, the outer surface of the connecting part 201 is flush with the top surface of the concave portion 1012, in the axial direction of the roller brush 20.
  • the outer surface of the connecting piece 201 herein refers to a side of the connecting piece 201 away from the roller brush 20.
  • the connecting part 101 In a state that the connecting part 101 is connected to the connecting piece 201, that is to say, in a state that the roller brush 20 is assembled, the outer surface of the connecting part 101 is lower than the concave portion 1012, or flush with the top surface of the concave portion 1012. Thus, in the axial direction, the connecting part 101 will not protrude from the concave portion 1012, so that the overall structure may be more compact, the side size is reduced, and the overall appearance of the floor brush body 10 looks more flat and beautiful.
  • the floor brush body 10 may be provided with an operation switch 102, which is electrically connected to the driving means 11, and in a state that the operation switch 102 is turned on, the driving means 11 drives the roller brush 20 to rotate in the second rotating direction S2.
  • the operation switch 102 may be a button, and the driving means 11 drives the roller brush 20 off the preset mounting position as long as the user triggers the operation switch 102.
  • the driving shaft 111 may fully drive the roller brush 20 to be automatically assembled in place in the axial direction, or drive the roller brush 20 to be automatically and completely off the driving shaft 111, as long as the user release the roller brush 20 once the roller brush 20 contacts with the driving shaft 111.
  • the entire assembly and disassembly process may be completely automatic, and the difficulty of operation is greatly reduced, and assembly and disassembly may be quick and convenient.
  • the present disclosure further provides a roller brush disassembly/assembly method, including the following steps: controlling a driving shaft of a driving means to rotate in a first rotating direction so that the roller brush moves relatively to the driving shaft to be off a preset mounting position.
  • the first rotating direction is opposite to the rotating direction in which the roller brush performs cleaning.
  • the method further includes: controlling the driving means to rotate in a second rotating direction S2 so that the roller brush moves relatively to the driving shaft to a preset mounting position, and the second rotating direction S2 is the rotating direction in which the roller brush performs cleaning.
  • the main body implementing the roller brush disassembly/assembly method provided in the present embodiment may be a control device, which may be electrically connected to the driving means 11 to control the speed and steering of the driving shaft 111 of the driving means 11. Under the control by the control device for the driving shaft 111 to rotate in different directions, the roller brush 20 may be automatically assembled to the driving shaft 111, or the roller brush 20 is released from the driving shaft 111, so that the roller brush 20 may be taken out axially.
  • the floor brush may be applied to cleaning devices, including but not limited to cleaning machines, sweeping robots, vacuum cleaners etc.. Accordingly, embodiments of the present disclosure further provide a cleaning device.
  • the cleaning device provided by the present embodiment includes a body 200, and the floor brush 100 provided in the above embodiments.
  • the floor brush 100 and the body 200 may be rotatably connected.
  • the floor brush 100 includes a floor brush body 10 and a roller brush 20.
  • One end of the floor brush body 10 is provided with a driving means 11, and one end of the roller brush 20 is drivable-connected to the driving means 11.
  • the driving means 11 may include a motor, the driving means 11 may be provided with a driving shaft 111, and the roller brush 20 may be drivable-connected to the driving shaft 111, so that the driving means 11 may drive the roller brush 20 to rotate.
  • the driving shaft 111 of the driving means 11 may rotate in a first rotating direction S 1, so that the roller brush 20 moves relatively to the driving shaft 111 and is off a preset mounting position, and the first rotating direction S is opposite to the rotating direction in which the roller brush 20 performs cleaning.
  • the driving shaft 111 of the driving means 11 may rotate in a second direction S2, so that the roller brush 20 moves relatively to the driving shaft 111 to the preset mounting position.
  • the second rotating direction S2 is the rotating direction in which the roller brush 20 performs cleaning.
  • the present embodiment provides a floor brush for manually assembling and disassembling the roller brush 20, the assembling and disassembling process thereof does not require the driving by the driving means 11, but the roller brush 20 may be quickly disassembled and assembled with labor-saving.
  • the floor brush of the present embodiment includes: a floor brush body 10, one end of which is provided with a driving means 11; and a roller brush 20, one end of which is drivable-connected to the driving means 11.
  • One end of the roller brush 20 is provided with a hollow portion 21; a driving shaft 111 is inserted into the hollow portion 21, and the driving shaft 11 is helically engagable with the inner wall of the hollow portion 21.
  • the roller brush 20 and the driving shaft 111 are helically engagable, the driving shaft 111 may rotate under the application of external force, thus, when the user pushes the roller brush 20 to the direction of the driving means 11 axially, the roller brush 20 may drive the driving shaft 111 to rotate in a second rotating direction S2, so that the roller brush 20 finally arrives at the preset mounting position with respect to the driving shaft 111. And, when the user pulls the roller brush 20 away from the driving means 11 axially, the driving shaft 111 may rotate in a first rotating direction S 1, so that the roller brush 20 is finally off the preset mounting position relatively to the driving shaft 111.
  • the whole process only requires the user to push or pull the roller brush 20 axially, without too many operations, and the operation is simple and not cumbersome, which greatly improves the user experience.
  • Embodiments of the present disclosure further provide another cleaning device, with reference to FIG. 6 , the cleaning device provided by the present embodiment includes a body 200, and the floor brush 100 provided in the above embodiments.
  • the floor brush 100 and the body 200 may be rotatably connected.
  • the floor brush 100 includes a floor brush body 10 and a roller brush 20.
  • the floor brush body 10, one end of the floor brush body 10 is provided with a driving means 11; the roller brush 20, one end of the roller brush 20 is drive-connected to the driving means 11.
  • One end of the roller brush 20 is provided with a hollow portion 21; a driving shaft 111 is inserted into the hollow portion 21, and the driving shaft 11 is helically engagable with the inner wall of the hollow portion 21.
  • the user places the floor brush 100 on the floor or a plate, and then presses the operation switch 102 on the floor brush body 10, the driving means 11 (motor) is turned on, and the driving shaft 111 rotates rapidly in the first rotating direction, the roller brush 20 is pushed out away from the driving means 11 axially, under the action of the helically engaged structure on the driving shaft 111, and the roller brush 20 automatically disengages from the driving shaft 111.
  • the driving means 11 motor
  • the connecting piece 201 on the roller brush 20 overcomes the magnetic suction power applied by the connecting part 101 of the floor brush body 10 and disengages from the floor brush body 10, so that the user may take away the roller brush 20 to clean and maintain the roller brush 20 separately.
  • the roller brush 20 When the roller brush 20 is cleaned, the user puts the hollow portion 21 of the roller brush 20 to be engagaed with the driving shaft 111, and then turns the cleaning device on, the driving shaft 111 of the driving means 11 rotates in the second rotating direction, under the action of the helically engaged structure between the driving shaft 111 and the roller brush 20, the roller brush 20 is automatically sucked to the side where the driving means 11 is located, and is firmly fixed in the preset mounting position.
  • the connecting piece 201 on the roller brush 20 is engaged to the preset mounting position quickly, under the action of the magnetic suction of the connecting part 101 of the floor brush body 10.
  • the driving means 11 is still rotating in the second rotating direction, the tension between the roller brush 20 and the driving shaft 111 is increasing, and the cooperation between the two is getting tighter and tighter to ensure that the roller brush 20 is always connected to the driving means 11 when it works normally.
  • the user places the floor brush 100 on the floor or a plate, and then presses the operation switch 102 on the floor brush body 10, the driving means 11 (motor) is turned on, the driving shaft 111 rotates rapidly in the first rotating direction, the ratchet 31 on the driving shaft 111 rotates, until the rollers 33 is in contact with the lowest position of the ratchet 31, a gap is formed between the rollers 33 and the inner wall of the hollow portion 21 of the roller brush 20, and then the user may directly take out the roller brush 20 axially away from the driving means 11.
  • the driving means 11 motor
  • the connecting piece 201 on the roller brush 20 overcomes the magnetic suction power applied by the connecting part 101 of the floor brush body 10 and disengages from the floor brush body 10, so that the user may take away the roller brush 20 to clean and maintain the roller brush 20 separately.
  • the user sleeves the hollow portion 21 of the roller brush 20 outside the roller holder 32 of the driving shaft 111, and then turns the cleaning device on, the driving shaft 111 of the driving means 11 rotates in the second rotating direction, and the ratchet 31 on the driving shaft 111 rotates in the second rotating direction, so that the ratchet 31 is clamped with the rollers 33 and the inner wall of the hollow portion 21 of the roller brush 20 at the highest point thereof, and the roller brush 20 is firmly fixed in the preset mounting position.
  • the connecting piece 201 on the roller brush 20 is quickly sucked to reach the preset mounting position, under the magnetic suction of the connecting part 101 of the floor brush body 10.
  • the driving means 11 is still rotating in the second rotating direction, the tension between the roller brush 20 and the driving shaft 111 is increasing, and the cooperation between the two is getting tighter and tighter to ensure that the roller brush 20 is always connected to the driving means 11 when it works normally.
  • the cleaning machine is in a shutdown state.
  • the user places the floor brush 100 on a pallet or the floor, grasps the roller brush 20 or holds the connecting piece on the roller brush 20, and directly pulls the roller brush 20 out of the driving means 11 axially.
  • the driving shaft 111 rotates in the first rotating direction under the action of the roller brush 20 to provide a space for the roller brush 20 to be taken out.
  • the connecting piece 201 on the roller brush 20 overcomes the magnetic suction power applied by the connecting part 101 of the floor brush body 10 and disengages from the floor brush body 10, so that the user may take away the roller brush 20 to clean and maintain the roller brush 20 separately.
  • roller brush 20 When the roller brush 20 is cleaned, the user directly moves the roller brush 20 axially in the direction close to the driving means 11, the hollow portion 21 of the roller brush 20 is sleeved outside the driving shaft 111, under the action of the helically engaged structure between the driving shaft 111 and the roller brush 20, the roller brush 20 drives the driving shaft 111 to rotate in the second rotating direction, and the roller brush 20 moves in a straight line to the preset mounting position to be engaged with the driving shaft 111.
  • the connecting piece 201 on the roller brush 20 is sucked to reach the preset mounting position quickly, under the magnetic suction of the connecting part 101 of the floor brush body 10.
  • the driving means 11 is still rotating in the second rotating direction, the tension between the roller brush 20 and the driving shaft 111 is increasing, and the cooperation between the two is getting tighter and tighter to ensure that the roller brush 20 is always connected to the driving means 11 when it works normally.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Brushes (AREA)
EP21888625.7A 2020-11-04 2021-11-04 Floor brush, cleaning device, and roller brush disassembly/assembly method Pending EP4226836A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011219008.9A CN112401769B (zh) 2020-11-04 2020-11-04 地刷、清洁设备及滚刷拆装方法
PCT/CN2021/128757 WO2022095933A1 (zh) 2020-11-04 2021-11-04 地刷、清洁设备及滚刷拆装方法

Publications (1)

Publication Number Publication Date
EP4226836A1 true EP4226836A1 (en) 2023-08-16

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EP21888625.7A Pending EP4226836A1 (en) 2020-11-04 2021-11-04 Floor brush, cleaning device, and roller brush disassembly/assembly method

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US (1) US20240016358A1 (zh)
EP (1) EP4226836A1 (zh)
CN (4) CN114468852A (zh)
WO (1) WO2022095933A1 (zh)

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CN114468851B (zh) 2024-03-19
WO2022095933A1 (zh) 2022-05-12
CN114468851A (zh) 2022-05-13
CN114468853A (zh) 2022-05-13
US20240016358A1 (en) 2024-01-18
CN112401769A (zh) 2021-02-26
CN114468852A (zh) 2022-05-13
CN112401769B (zh) 2022-01-11

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