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WO2024170089A1 - Machine de nettoyage de planchers avec module de base et module de nettoyage - Google Patents

Machine de nettoyage de planchers avec module de base et module de nettoyage Download PDF

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Publication number
WO2024170089A1
WO2024170089A1 PCT/EP2023/053942 EP2023053942W WO2024170089A1 WO 2024170089 A1 WO2024170089 A1 WO 2024170089A1 EP 2023053942 W EP2023053942 W EP 2023053942W WO 2024170089 A1 WO2024170089 A1 WO 2024170089A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning
floor
module
roller unit
base module
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.)
Ceased
Application number
PCT/EP2023/053942
Other languages
German (de)
English (en)
Inventor
Justin Henry
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
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 Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Priority to CN202380090256.3A priority Critical patent/CN120417818A/zh
Priority to PCT/EP2023/053942 priority patent/WO2024170089A1/fr
Publication of WO2024170089A1 publication Critical patent/WO2024170089A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/292—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—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
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids

Definitions

  • the invention relates to a floor cleaning machine, comprising a floor head, at least one cleaning roller unit, a dirty fluid tank device and a support device for supporting the floor head on a floor to be cleaned, wherein the support device and the at least one cleaning roller specify a mounting plane for the floor head on the floor to be cleaned.
  • EP 3 750 464 A1 relates to a floor cleaning robot with an autonomously movable housing and a unit which is removably fixed to the housing, the unit comprising a brush chamber, a dirt collector and a storage tank for a cleaning liquid.
  • EP 3 750 466 Al discloses an autonomous floor cleaning device.
  • DE 10 2018 000 083 A1 discloses a cleaning robot comprising a chassis and a drive for moving the cleaning robot over a surface to be cleaned, at least one sensor for detecting obstacles and/or stairs, a navigation system and a cleaning device.
  • the cleaning device is formed by at least two cleaning modules, which are alternatively and optionally connected to the chassis in a non-destructive manner and can be exchanged for the other cleaning module.
  • EP 2 842 472 Bl discloses.
  • EP 3 695 767 A1 discloses a floor cleaning device with a collecting container and a microfiber brush roller.
  • a housing is provided which is movable along a surface to be cleaned.
  • a battery is mounted on the housing and electrically connected to a drive motor.
  • WO 2021/112354 Al discloses a vacuum cleaner.
  • Cleaning devices are disclosed in CN 111685647 A, US 2020/0315415 A, EP 3 117 754 A1, US 2015/0313434 A, JP 2015146958 A2 or EP 2 659 816 A2.
  • Other cleaning devices are disclosed in US 2006/0064828 A or WO 01/41618 A1.
  • CN 108478109 A and CN 209489960 U disclose robots for cleaning photovoltaic modules.
  • DE 10 2015 104 749 Al discloses a hand-operated or autonomous floor cleaner, as does DE 10 2015 104 750 Al.
  • Floor cleaning devices are, for example, covered by EP 3 750 464 Al, the
  • EP 3 884 834 Al US 2021/018620 Al or KR 2012 06900U.
  • WO 2018/162092 A1 discloses a floor cleaning device with which an autonomous cleaning of a floor surface can be carried out.
  • WO 2016/058879 Al, WO 2016/058956 Al are surface cleaning machines A surface cleaning machine is also known from WO 2016/058907 Al.
  • a cleaning machine is known from CN 201 197 698 Y.
  • a surface cleaning machine with rotating brushes is known from WO 2010/041185 Al.
  • a cleaning head for a floor cleaning machine is known from US 7,665,174 B2.
  • a floor cleaner which comprises a handle, a main body, a roller mechanism with a roller with a cleaning belt, a scraper and a dirt fluid receptacle.
  • WO 2013/106762 A2 discloses a surface cleaning machine with a cleaning roller and a drive unit for driving the cleaning roller.
  • a dirt tray is provided into which the cleaning roller sweeps dirt as it rotates.
  • the dirt tray can be opened.
  • a floor scrubber is known which is manually operated and comprises a drive roller which is coupled to a scrubbing roller.
  • a hard floor cleaning device is known from US 3,789,449.
  • a household floor cleaning device with a wiping roller is known from DE 10 2007 054 500 Al.
  • a cleaning machine station for a cleaning machine is known, wherein the cleaning machine station has a receiving chamber for a cleaning head of the cleaning machine.
  • a floor cleaning machine is known with a handle which is pivotably arranged on a base.
  • CN 107007215 A discloses a floor cleaning robot.
  • the unpublished DE 10 2022 102 924.7 discloses a floor cleaning device comprising a floor head and at least one cleaning roller which rotates about a rotation axis during operation of the floor cleaning device, wherein the at least one cleaning roller is held on the floor head at least partially by a holding device, wherein the holding device with the at least one cleaning roller is removable from the floor head.
  • the invention is based on the object of providing a floor cleaning machine of the type mentioned above, which can be cleaned in a simple manner.
  • the floor head has a base module and a cleaning module, wherein the cleaning module is detachably connected to the base module via a coupling device, that the at least one cleaning roller unit, a rotary bearing device for rotatably supporting the at least one cleaning roller unit and the dirty fluid tank device are arranged on the cleaning module, and that the support device is at least partially arranged on the base module.
  • the floor head is divided into a base module and a cleaning module.
  • the cleaning module is a module through which liquid is applied to the floor to be cleaned.
  • the solution according to the invention allows a separation to be carried out and in particular the majority of the dirty fluid can be kept away from the base module. As mentioned, this allows a separation into a basic electrical component and the cleaning module.
  • the at least one cleaning roller unit and the rotary bearing device are positioned on the cleaning module.
  • the rotary bearing device can form the complete rotary bearing for the at least one cleaning roller unit and in particular the cleaning roller unit with the cleaning module can then be removed from the base module.
  • the rotary bearing device on the cleaning module can also form only a part of the overall rotary bearing for the at least one cleaning roller unit.
  • the cleaning module is designed so that it can be cleaned under a water jet with the cleaning roller unit and/or dirty fluid tank device attached to it, or when these components are removed.
  • the rotary bearing device By arranging the rotary bearing device on the cleaning module that can be removed from the base module, components of the rotary bearing device that are exposed to dirty fluid can also be easily cleaned, for example under a water jet.
  • the rotary bearing device is an integral part of the cleaning module and remains on the cleaning module after the at least one cleaning roller unit has been removed. This makes it possible, for example, to wash a cleaning roller of the at least one cleaning roller unit in a washing machine.
  • the cleaning module follows the base module in a longitudinal direction of the base head, with a rotation axis of the at least one cleaning roller unit being oriented transversely and in particular perpendicular to the longitudinal axis. This results in a compact structure.
  • the cleaning module can be easily inserted into or removed from the base module.
  • a mechanical coupling and, for example, a fluid coupling between the cleaning module and the base module can be carried out in a simple manner.
  • a forward movement direction of the floor head on the floor to be cleaned is parallel to the longitudinal direction; a forward movement direction of the floor head on the floor to be cleaned is transverse and in particular perpendicular to the axis of rotation of the at least one cleaning roller unit; a removal direction of the cleaning module from the base module is (i) parallel or (ii) transverse and in particular perpendicular to the longitudinal direction.
  • the cleaning module is exposed to a liquid-containing dirt fluid.
  • a sweeping unit for sweeping dry dirt is provided on the base module, for example, or that a sweeping module with, for example, a sweeping roller is located on the base module facing away from the cleaning module.
  • the cleaning module (including "open" components of the rotary bearing device) is designed in such a way that it can be cleaned under a water jet after being removed from the base module.
  • the cleaning module with the dirty fluid tank device and cleaning roller unit or, if these components are removed from the cleaning module can be cleaned in a sink under a water jet.
  • Open (dirt-laden) components of the rotary bearing device (such as holders for at least one cleaning roller unit) can be rinsed off directly.
  • a superficial wipe is sufficient to clean the base module, since the base module is only exposed to splashes at most.
  • the cleaning module advantageously comprises at least one of the following: a first holder for the at least one cleaning roller unit, wherein the at least one cleaning roller unit is in particular removable from the first holder; a second holder for the dirty fluid tank device, wherein in particular the dirty fluid tank device is removable from the second holder; a housing; a scraper device for scraping dirty fluid from the at least one cleaning roller unit; a hair comb device for picking up hair from the at least one cleaning roller unit; a sweeping device for supplying coarse dirt to the at least one cleaning roller unit; at least one partial area of a torque transmission device for rotatingly driving the at least one cleaning roller unit; a partial area of the coupling device; a nozzle device for applying cleaning fluid to the at least one cleaning roller unit and/or the floor to be cleaned; a partial area of a suction path.
  • the first holder includes the rotary bearing device or is the rotary bearing device.
  • the floor cleaning machine can be operated without a blower or with a blower device that generates a suction flow, with the suction flow or a part of the suction flow in particular acting on the at least one cleaning roller unit.
  • the blower device is located on the base module, or for example on a holding rod device, which in turn is fixed to the base module.
  • a first partial area of a suction path is then arranged on the base module and a second part of a suction path is arranged on the cleaning module.
  • the first part of the suction path and the second part of the suction path ensure a fluid-effective connection between an opening device on the cleaning roller unit and the blower device in order to obtain a corresponding suction flow on the at least one cleaning roller unit when the floor cleaning machine is operating.
  • the base module It is also advantageous if at least one of the following is arranged on the base module: a housing; an electrical circuit device; a fluid-tight capsule, in particular for an electrical circuit device; a drive motor for a rotary drive of the at least one cleaning roller unit; at least a partial area of a torque transmission device for transmitting a torque from a drive motor to the at least one cleaning roller unit; an electrical connection for the electrical power supply; a battery device; at least one sensor unit, in particular for a self-propelled and self-steering operation of the floor head; a partial area of the coupling device; a steering device and/or drive device for a travel movement of the floor head; a cleaning fluid tank device; a blower device, at least one pump which is fluidly connected to a cleaning fluid tank device; a valve such as a solenoid valve; a portion of a suction path.
  • a housing an electrical circuit device
  • a fluid-tight capsule in particular for an electrical circuit device
  • a drive motor for
  • electrical components or components that require a power supply can be arranged on the base module. This makes it easy to design the electrical wiring, for example.
  • the coupling device provides a detachable mechanical fixation of the cleaning module to the base module. This allows the cleaning module to be mechanically held to the base module in addition to other types of connection.
  • the coupling device is designed such that it provides an electrical connection between the base module and the cleaning module, which is in particular detachable; the coupling device is designed such that it provides a fluid connection for cleaning fluid between the base module and the cleaning module, which is in particular detachable; the coupling device is designed such that it provides a torque transmission between the base module and the cleaning module for the rotational drive of the at least one cleaning roller unit, which is in particular detachable; the coupling device is designed such that it provides an air flow connection between the base module and the cleaning module for Providing a suction flow to the cleaning module, which is in particular detachable.
  • An electrical connection between the base module and the cleaning module can be provided as required.
  • sensors can be arranged on the cleaning module which are used to determine the condition of a floor to be cleaned or for floor detection, or a lighting device can be arranged on the cleaning module to illuminate a floor to be cleaned.
  • the cleaning module can then be supplied with cleaning fluid via the base head.
  • a corresponding cleaning fluid tank can be arranged on the base head or a holding rod device. In principle, however, it is also possible for a cleaning fluid tank to be arranged on the cleaning module.
  • a torque of a drive motor can be transmitted to the cleaning module in order to be able to drive the at least one cleaning roller unit in a rotational movement.
  • the corresponding floor cleaning machine it is possible for the corresponding floor cleaning machine to be operated without a blower and, in particular, for dirty fluid to be detached from the at least one cleaning roller unit via a scraper device and, in a sense, thrown into the dirty fluid tank device. It is also possible for the floor cleaning machine to be equipped with a blower unit which provides a suction flow. This suction flow acts in particular on the at least one cleaning roller unit. It can also act on a floor to be cleaned and ensures that dirty fluid is conveyed into the dirty fluid tank device. In this case, it is then particularly provided that the coupling device also ensures a coupling of a suction path between the base module and the cleaning module.
  • the coupling device has a first partial area which is located on the base module and a second partial area which is located on the cleaning module, wherein when the first partial area interacts with the second partial area, a coupling is present between the base module and the cleaning module.
  • the coupling is in particular a mechanical coupling for holding the cleaning module on the base module.
  • a torque coupling and/or a fluid coupling and possibly also an electrical connection coupling can also be present.
  • the coupling device has only one coupling point between the cleaning module and the base module. It can also be provided that the coupling device has a plurality of spaced coupling points. This can, for example, result in a separation between torque coupling and mechanical fixation, or secure mechanical holding can be achieved via several coupling points.
  • the dirty fluid tank device is arranged on the cleaning head in a receiving chamber and is arranged in particular so that it can be removed. This makes it easy to remove the cleaning tank. However, it can also be arranged so that it is floating, for example.
  • the receiving chamber has an openable lid, wherein when the lid is opened there is access to a receiving space of the receiving chamber; the dirty fluid tank device can be removed from the receiving chamber in a direction transverse and in particular perpendicular to a rotation axis of the at least one cleaning roller unit from the cleaning module; the dirty fluid tank device can be removed from the cleaning module upwards or downwards with respect to an installation plane side of the at least one cleaning roller unit.
  • the dirty fluid tank device has a large capacity for storing dirty fluid.
  • the receiving chamber is designed as a receiving shaft; the dirty fluid tank device can be removed from the cleaning module in a direction parallel to a rotation axis of the at least one cleaning roller unit.
  • a web is arranged on the base module, on which a portion of the coupling device is arranged, wherein at least part of a torque transmission device is arranged on the web.
  • a drive element for the at least one cleaning roller unit can be provided in a simple manner on the base module via the web.
  • the torque transmission device can be used to A torque can be easily transmitted from this drive element to the at least one cleaning roller unit. In this way, a floor head with a cleaning roller unit that has a great length can be realized.
  • the coupling device comprises a sliding guide device along which the cleaning module can be pushed towards the web.
  • the cleaning module can be easily fixed to the base module and a torque coupling can be achieved in a simple manner by pushing it towards the web.
  • the coupling device comprises a rotary bearing. This allows, for example, a relatively long cleaning roller to be used.
  • an electronic module is arranged on the base module, which has a fluid-tight encapsulation.
  • the fluid-tight encapsulation for the electronic module can be provided by the base module itself or there can be an additional encapsulation.
  • water-sensitive electronic or electrical elements of the base head are integrated into the electronic module.
  • an openable cover or flap is arranged on the base module, with the encapsulation sitting on the cover or forming the cover.
  • the cover or flap is arranged pivotably on the base module. This makes it easy to integrate an electronic module and position it in a protected manner.
  • a holding rod device is provided which is arranged on the floor head and by means of which an operator can guide the floor cleaning machine while standing over the floor to be cleaned. This makes it possible to carry out a hand-held cleaning of a floor, in particular a hard floor, in a simple manner.
  • the holding rod device can be pivoted about at least one pivot axis relative to the floor head, wherein in particular the pivot axis is oriented parallel to a rotation axis of the at least one cleaning roller unit; at least one of the following is arranged on the holding rod device: a battery device; a cleaning liquid tank device; a partial area of a supply device for supplying cleaning liquid to the cleaning module; an operator panel device; a blower device for generating a suction flow.
  • the floor cleaning machine it is possible for the floor cleaning machine to be self-propelled and self-steering ("cleaning robot", especially with a wiping function).
  • the support elements are in particular support rollers or support runners.
  • a swivel roller can also be part of the support device.
  • the dirty fluid tank device is designed such that it is arranged on the cleaning module in relation to the at least one cleaning roller unit such that dirty fluid detached from the at least one cleaning roller unit is coupled into the dirty fluid tank device without a blower during cleaning operation. This results in a structurally simple structure.
  • a blower device can also be provided which generates a suction flow. This suction flow acts on the at least one cleaning roller unit during operation of the floor cleaning machine and ensures that dirty fluid is conveyed into the dirty fluid tank device.
  • a separator is provided which separates an air flow from a liquid flow in order to prevent liquid from being applied to the blower device.
  • the separator is preferably arranged on the dirty fluid tank device and in particular integrated into it.
  • Figure 1 is a schematic view of a first embodiment of a floor head of a floor cleaning machine according to the invention
  • Figure 3 is a perspective view of an embodiment of a hand-held floor cleaning machine with a holding rod device
  • Figure 4 is a perspective view of a floor head of the floor cleaning machine according to Figure 3;
  • Figure 5 shows the floor head according to Figure 4, with a cleaning module removed from a base module
  • Figure 6 is a similar view to Figure 5, with the
  • Cleaning module cleaning rollers are removed, a cover is opened and the dirty fluid tank device is removed;
  • Figure 7 is a perspective view of another
  • Embodiment of a floor head (with support rod device removed);
  • Figure 8 shows the floor head according to Figure 7 with the cleaning module separated from a base module
  • Figure 9 shows the bottom head according to Figure 7 with partially
  • Figure 10 shows a further embodiment of a floor head with the holding rod device removed
  • Figure 11 shows the floor head according to Figure 10, with a cleaning module removed from a base module
  • Figure 12 is a similar view to Figure 11, with the cleaning rollers, the dirty fluid tank device and the cover removed from the cleaning module; and Figure 13 is a schematic representation of another embodiment of a floor cleaning machine according to the invention.
  • a first embodiment of a floor cleaning machine according to the invention which is shown schematically in Figure 1 and designated 10, comprises a floor head 12.
  • the floor head 12 stands on a floor 14 to be cleaned with a support device. This is explained in more detail below using specific embodiments.
  • the floor head 12 can be part of a floor cleaning machine 10, which is guided over the floor via a holding rod device by an operator who himself stands on the floor 14 to be cleaned (see Figure 3).
  • the floor head 12 can itself also form a self-propelled and self-steering floor cleaning machine ("cleaning robot").
  • the base head 12 comprises a base module 16 and a cleaning module 18.
  • the cleaning module 18 is detachably connected to the base module 16 via a coupling device 20.
  • the cleaning module 18 has a first holder 22 on which a cleaning roller unit 24 is held so as to be rotatable about a rotation axis 26.
  • the first holder 22 comprises a rotary bearing device 23 for the cleaning roller unit 24, which ensures the rotatability about the rotation axis 26.
  • the cleaning module 18 has a second holder 28.
  • a dirty fluid tank device 30 is arranged on the second holder. Due to the removability of the cleaning module 18 (with rotary bearing device 23) from the base module 16, the rotary bearing device 23, the cleaning roller unit 24 and the dirty fluid tank device 30 can be removed together from the base module 16 via the cleaning module 18 and can also be used on the base module.
  • the base head 12 is assigned a longitudinal direction 32.
  • the base head 12 has a rear end 34 and a front end 36.
  • the at least one cleaning roller unit 24 is closer to the front end 36 than to the rear end 34.
  • Figure 1 shows an embodiment in which the cleaning roller unit 24 is located at the front end 36.
  • the longitudinal direction 32 runs between the rear end 34 and the front end 36.
  • the rotation axis 26 of the cleaning roller unit 24 is transverse and in particular perpendicular to the longitudinal direction 32.
  • the cleaning module 18 follows the base module 16 in the longitudinal direction 32. In relation to the longitudinal direction 32, the cleaning module 18 is arranged in front of the base module 16.
  • the floor head 12 has a forward movement direction 38.
  • the rotation axis 26 is transverse and in particular perpendicular to this forward movement direction 38.
  • the longitudinal direction 32 is in particular parallel to the forward movement direction 38.
  • a forward movement direction 38 is shown, which runs in the direction from the base module 16 to the cleaning module 18. In principle, however, the forward movement direction can also be opposite to the direction 38 shown in Figure 1, so that in this case the forward movement direction runs from the cleaning module 18 to the base module 16.
  • the dirty fluid tank device 30 is arranged in relation to the cleaning roller unit 24 such that dirty fluid can be conveyed from the cleaning roller unit 24 directly and in particular without a fan into the dirty fluid tank device 30.
  • Dirt fluid refers to flowable dirt, which in particular contains liquid.
  • the cleaning roller unit 24 comprises a textile trim such as a microfiber trim.
  • a scraper device is arranged on the cleaning module 18, which scrapes dirty fluid from the textile trim and thereby ensures that it is coupled into the dirty fluid tank device 30.
  • a nozzle device 40 is arranged on the cleaning module 18.
  • the nozzle device 40 is connected to a cleaning liquid tank via a feed device (this is described in more detail below using specific exemplary embodiments).
  • Cleaning liquid pure water or pure water provided with a cleaning agent and in particular surfactant cleaning agent
  • the floor cleaning machine 10 can thus be used to carry out wet cleaning, in particular of a hard floor. The wet cleaning results in improved dirt removal properties from the floor 14 to be cleaned.
  • the cleaning roller unit 24 acts mechanically on the floor to be cleaned.
  • the floor 14 to be cleaned is exposed to liquid via the nozzle device 40 directly and/or via the moistened cleaning roller unit 24.
  • the cleaning roller unit 24 takes up particularly liquid-containing dirty fluid and this is stripped off via the stripper device and coupled into the dirty fluid tank device 30 on the cleaning module 18.
  • the cleaning roller unit 24 is designed in two parts with a first cleaning roller 42 and a second cleaning roller 44. These are located on corresponding shafts and have the common axis of rotation 26.
  • a torque transmission device 46 is provided, which is in torque-effective connection with a drive motor 48 and acts in particular on the rotary bearing device 23.
  • the rotary bearing device 23 comprises one or more driven holding elements for the cleaning roller unit 24.
  • the drive motor 48 is arranged in the base module 16.
  • the torque transmission device 46 is arranged with a first partial area 50 on the base module 16 and is coupled directly to the drive motor 48. It is arranged with a second partial area 50 on the cleaning module 18.
  • the cleaning roller unit 24 is centrally driven on the cleaning module 18 as it rotates about the rotation axis 26.
  • the base head 12 has a first lateral side 54 and a second lateral side 56 between the front side 36 and the rear side 34.
  • the rotary roller unit 24 is driven centrally between the first lateral side 54 and the second lateral side 56, i.e. a torque is coupled centrally into the cleaning roller unit 24 via the torque transmission device 46.
  • the torque transmission device 46 comprises, for example, a belt drive or toothed drive.
  • the cleaning module 18 is mechanically fixed to the base module 16 in a detachable manner via the coupling device 20. Furthermore, the torque is transmitted from the first partial area 50 to the second partial area 52 of the torque transmission device 46 via the coupling device.
  • the torque transmission device 46 is correspondingly detachably connected by the coupling device 20.
  • the coupling device comprises a fluid line so that cleaning fluid can be supplied from the cleaning fluid tank to the nozzle device 40.
  • the coupling device 20 is designed such that when the cleaning module 18 is coupled to the base module 16, both the mechanical connection for fixing and the torque transmission connection and the fluid connection for supplying cleaning fluid to the nozzle device 40 are established. Accordingly, when the cleaning module 18 is removed from the base module 16, the mechanical fixing connection, the mechanical torque transmission connection and the fluid connection are released.
  • the drive motor 48 is arranged in a protected manner on the base module 16.
  • An electrical circuit arrangement 58 is also arranged on the base module 16.
  • Other components such as a pump for supplying cleaning fluid from the cleaning fluid tank to the nozzle device 40, a solenoid valve, a battery device, etc. can be arranged on the base module 16.
  • the floor head 12 is designed in such a way that during a cleaning operation of the floor cleaning machine 10 a significant amount of dirt fluid
  • the floor head 12 is exposed to the cleaning module 18 alone.
  • the main exposure to dirty fluid is the removal of dirty fluid from the floor 14 to be cleaned.
  • the base module 16 can also experience dirty fluid splashes or the like, although this is not considered to be a main exposure to dirty fluid.
  • cleaning fluid is applied to the floor 14 to be cleaned via the cleaning module 18. Dirty fluid is drained from the floor 14 to be cleaned via the cleaning module 18 and collected in the dirty fluid tank device 30 on the cleaning module 18. The main dirty fluid load on the floor head 12 is thus concentrated on the cleaning module 18.
  • the floor head 12 is exposed to liquid-containing dirty fluid at the cleaning module 18 and relevant dirty fluid flows are only present at the cleaning module 18. Furthermore, the floor head 12 only acts on the floor 14 to be cleaned in conjunction with dirty fluid at the cleaning module 18.
  • the cleaning module 18 can be removed and cleaned, for example, under a water jet (under a faucet).
  • the cleaning roller unit 24 does not have to be removed individually from the floor head 12 and the dirty fluid tank device 30 does not have to be removed individually from the floor head 12, but the basic device containing dirty fluid, namely the cleaning module 18, can be removed as a whole and cleaned, for example, in a sink under a water jet.
  • the cleaning liquid tank is also arranged on the cleaning module 18.
  • the coupling device can comprise a detachable electrical connection. This can be advantageous, for example, if sensor elements are arranged on the cleaning module 18, or if, for example, a cleaning fluid tank and a pump for providing cleaning fluid to the nozzle device 40 are arranged on the cleaning module 18.
  • Electrical components including drive motor 48, electrical circuitry 58, etc. can be arranged in a protected manner on the base module 16 without significant exposure to dirty fluid.
  • the base head 12 is divided into the electrical device unit base module 16 and the mechanical cleaning unit cleaning module 18. All components sensitive to liquid (and also dirt) can be positioned in a protected manner on the base module 16.
  • the floor cleaning machine 10 is supported on the floor 14 to be cleaned via a support device 60.
  • the support device 60 comprises support elements 62 which are arranged on the base module 16. These support elements 62 are, for example, support rollers and can, for example in the example of a self-propelled and self-steering floor cleaning machine, also comprise a steering roller and/or drive wheels.
  • the support device 60 further comprises at least one support element which is arranged on the cleaning module 18.
  • the cleaning roller unit 24 is such a support element on the cleaning module 18. (It Additional support elements can also be attached to the cleaning module
  • the support device 60 is thus designed such that, during a cleaning operation, the floor head 12 is supported on both the cleaning module 18 and the base module 16 on the floor to be cleaned.
  • dirty fluid is coupled into the dirty fluid tank device 30 at the cleaning module 18 without a fan.
  • a fan device 61 it is also possible for a fan device 61 to be provided, which generates a suction flow.
  • the fan device 61 is arranged in particular on the base head 12 (or a holding rod device which sits on the base head 12).
  • a suction path 63 leads from the fan device 61 to the cleaning module 18 and thereby to the dirty fluid tank device 30. In particular, the suction path 63 is led through the coupling device 20.
  • an automatic air flow connection to the suction path 63 for the corresponding negative pressure application to the cleaning roller unit 24 is preferably also carried out via the coupling device 20.
  • the suction path 63 is then arranged such that a negative pressure is applied to a corresponding mouth wall towards the cleaning roller unit 24.
  • a separator is provided in particular, which ensures air-liquid separation and prevents liquid from reaching the blower device 61.
  • the separator (indicated in Figure 1 with the reference number 65) is then arranged on the dirty fluid tank device 30 and in particular integrated into it.
  • Figure 2 shows different examples of the arrangement of the base module 16 to the cleaning module 18 (with respect to the longitudinal direction 32) and different arrangements in the cleaning module 18.
  • the arrangement according to Figure 2(b) corresponds to the arrangement described in connection with Figure 1.
  • the cleaning module 18 follows the base module 16 in the longitudinal direction 32 in the direction of the front end 36.
  • the rotary roller unit 24 rotates on the floor 14 to be cleaned towards the base module 16. In a side view in the direction 64 according to Figure 2(b), this corresponds to a counterclockwise rotation (marked with c).
  • the corresponding cleaning module 18' follows the corresponding base module 16', again in the longitudinal direction 32.
  • the dirty fluid tank device 30' is located at the corresponding front end 36.
  • the cleaning roller unit 24' which is located on the cleaning module 18', is arranged between the dirty fluid tank device 30' and the base module 16'.
  • the cleaning roller unit 24 rotates such that the direction of rotation on the floor 14 to be cleaned points in the forward movement direction 38.
  • a drive which is indicated by the direction 68, is thus opposite to the forward movement direction 38.
  • an operator must then overcome the counterforce or an additional drive must be provided, which is then located in particular in the base module 16'.
  • a front end 70 is formed on the corresponding base module 72.
  • a cleaning module 74 follows the base module 72 in the longitudinal direction 32, wherein the cleaning module 74 is arranged behind the base module 72 in relation to the front end 70.
  • the cleaning roller unit is arranged at a rear end 76 and the dirty fluid tank device 78 is located accordingly between the cleaning roller unit and the base module 72.
  • a rotation of the cleaning roller unit in a clockwise direction is provided with respect to the direction 64 and the corresponding drive is opposite to the forward movement direction 38.
  • the cleaning roller unit is arranged between the dirty fluid tank device 78 and the base module 72.
  • the cleaning roller unit rotates counterclockwise with respect to the direction 64.
  • the corresponding drive is then parallel to the forward movement direction 38.
  • a concrete embodiment of a floor cleaning machine according to the invention which is shown in Figures 3 to 6 and is designated by 80, comprises a floor head 82 with a base module 84 and a cleaning module 86.
  • a holding rod device 90 is arranged on the cleaning module 86 so as to be pivotable about a pivot axis 88.
  • the pivot axis 88 is parallel to a rotation axis 92 of a cleaning roller unit 94, wherein the cleaning roller unit 94 is seated on the cleaning module 86.
  • the holding rod device 90 is pivotable distally via the pivot axis 88 to the base head 82 and is hinged there to the base module 84.
  • a further pivot axis can also be present transversely thereto.
  • the height of the floor cleaning machine 80 between a mounting level 96 and a proximal end of the support rod device 90 can be adjusted by an operator. This makes it possible to adjust the height to the size of an operator. Furthermore, this also ensures that the machine can be driven under furniture, for example.
  • a bow handle 98 is located at the distal end of the support rod device 90.
  • An operator panel device 100 is arranged at the distal end of the support rod device 90 in the region of the bow handle or on the bow handle.
  • a cleaning fluid tank 102 which holds cleaning fluid is detachably mounted on the holding rod device 90.
  • a battery device 104 which supplies the floor cleaning machine 80 with electrical energy, is also located on the holding rod device 90.
  • the base module 84 comprises a housing 106.
  • Support wheels 108 of a support device 110 are arranged on the housing 106.
  • the support device 110 defines the installation plane 96, wherein (with the cleaning module 86 sitting on the base module 84) the cleaning roller unit 94 is part of the support device 110 and ensures appropriate support via the installation plane 96 on the floor 14 to be cleaned.
  • a drive motor (not shown in the drawings) is arranged in the housing 106. This drive motor acts on the cleaning roller unit 94 via a corresponding torque transmission device when the cleaning module 86 is seated on the base module 84.
  • a circuit device is arranged in the housing 106.
  • a pump for supplying cleaning fluid to the cleaning module 86 is arranged in the housing 106.
  • a valve such as a solenoid valve for this supply device is arranged in the housing 106.
  • the arrangement is water-protected and, in particular, encapsulated.
  • the cleaning module 86 comprises a base 112.
  • a receiving chamber 114 for a dirty fluid tank device 116 is formed on the base 112.
  • the receiving chamber 114 comprises a receiving space 118 with sub-spaces 118a and 118b.
  • a sub-area 120 of a torque transmission device runs between the sub-spaces 118a, 118b. This sub-area 120 is arranged on the cleaning module 86.
  • the drive element 122 comprises a drive element 122, on which shaft stubs 124 are located on both sides.
  • the drive element 122 is rotatable.
  • a cleaning roller 126 can be placed on each of the shaft stubs 124 in a rotationally fixed manner. This forms a rotary bearing device 124.
  • the shaft stubs 124 form a first Holder 128 on the cleaning module 86 for holding the respective cleaning roller 126 and thus the cleaning roller unit 94.
  • the cleaning rollers 126 rotate around the same rotation axis 92.
  • the dirty fluid tank device 116 comprises a container 130 with a first region 132 and a second region 134.
  • the first region 132 can be inserted into the sub-chamber 118a and the second region 134 into the sub-chamber 118b.
  • a bridge 136 of the dirty fluid tank device 116 which connects the first region 132 and the second region 134, is positioned over the sub-region 120 of the torque transmission device when the dirty fluid tank device 116 is positioned in the receiving chamber 114.
  • the dirty fluid tank device 116 can be inserted into the receiving chamber 114 from above.
  • the cleaning module 86 comprises a cover 140.
  • the cover 140 allows the receiving space 118 and thus the receiving chamber 114 to be closed upwards.
  • the cover 140 is removable as a whole. In principle, however, it can also be fixed to the cleaning module 86, for example in a pivotable manner.
  • the cover 140 is removed.
  • the dirty fluid tank device 116 can then be removed upwards from the receiving space 118.
  • a scraper device 142 is arranged on the dirty fluid tank device 116.
  • the scraper device 142 is located on a mouth device 144 of the dirty fluid tank device 116, via which dirty fluid separated from the cleaning roller unit 96 by the scraper device 142 can be coupled directly into an interior of the dirty fluid tank device 116.
  • the scraper device 142 is arranged such that it rests against a trim of the cleaning rollers 126 or in particular is immersed in it when the dirty fluid tank device 116 and the cleaning rollers 126 are positioned on the cleaning module 86.
  • a fan-free coupling of dirty fluid which is separated from the cleaning roller unit 96 via the scraper device 142, takes place at the mouth device 144 into the dirty fluid tank device 116.
  • a coupling device 146 is provided, by means of which the cleaning module 86 can be detachably coupled to the base module 84 (see Figures 3 and 4).
  • the coupling device 146 comprises a first portion 148, which is seated on the base module 84, and a second portion 150, which is seated on the cleaning module 86.
  • the first portion 148 comprises an opening 152.
  • the second portion 150 comprises an immersion element 154 in this opening.
  • a fixing element 156 can be provided for the coupling device 146, which forms a securing element and is a separate part. If, for example, the immersion element 154 is immersed in the opening 152, then the fixing element 156 can be placed on the base module 84 via the first partial area 148 in order to ensure mechanical fixing of the cleaning module 86 to the base module 84.
  • a mechanical coupling is integrated into the immersion element 154, which ensures a torque connection between the partial area 120 of the torque transmission device and the partial area of the torque transmission device on the base module 84 that is directly connected to the drive motor.
  • a fluid connection 158 is integrated, which is arranged in particular on the cleaning module 86 on the immersion element 154.
  • a counter connection 160 is provided on the base module 84, which in particular comprises an opening into which the fluid connection 158 can be immersed.
  • the base module 84 and the cleaning module 86 are mechanically connected to one another via the coupling device 146, so that the cleaning module 86 is mechanically fixed to the base module 84 and there is also a torque coupling, then a fluid-effective connection is also achieved, so that cleaning fluid can flow from the cleaning fluid tank 102 to a nozzle device 162 on the cleaning module 86, as it were, mediated via the base module 84.
  • the nozzle device 162 is, for example, arranged on the cover 140 or integrated into it.
  • the nozzle device 162 is arranged on the dirty fluid tank device 116 or on the receiving chamber 114.
  • the floor cleaning machine 80 is designed to be operated by a standing operator using the holding rod device 90. It basically functions in the same way as described above.
  • the cleaning module 86 with dirty fluid tank device 116, rotary bearing device 127 and cleaning roller unit 94 can be removed from the base module 84 and can be cleaned in particular under a water jet.
  • the shaft stubs 124 can also be cleaned under a water jet.
  • a further embodiment of a floor cleaning machine which is shown in Figures 7 to 9 and designated by 164, comprises a floor head 166 with a base module 168 and a cleaning module 170.
  • a holding rod device which is not shown in Figures 7 to 9, is located on the base module 168.
  • the floor cleaning machine 184 it is also possible in principle for the floor cleaning machine 184 to be designed as a self-steering and self-propelled floor cleaning machine. A corresponding drive and steering are then arranged on the base module 168.
  • a flap 172 is located on the base module 168. This is hinged to the base module 168 via a pivot joint 174. A pivot axis 176 of the pivot joint 174 for the pivotability of the flap 172 on the base module 168 is parallel to a rotation axis of a corresponding cleaning roller unit 94. (The same reference numerals are used for the same elements as in the floor cleaning machine 80.)
  • a coupling device 146' is provided, which is basically designed in the same way as described above with reference to the coupling device 146, with a first partial area 148 and a second partial area 150.
  • the second partial area 150 is arranged on the cleaning module 170 and the first partial area 148 on the base module 168.
  • the flap 172 When the flap 172 is closed and folded onto the cleaning module 170 (Figure 7), the flap 172 forms a fixing element similar to the fixing element 156, but the fixing element of the floor cleaning machine 164 is integrated into the flap 172.
  • the corresponding fixing element 178 on the flap 172 is indicated in Figures 8 and 9.
  • one or more sensor units 180 are arranged on the flap 172 and are arranged in an encapsulation and are thus protected from dirty fluid and generally from liquid.
  • the at least one sensor unit 180 comprises, for example, sensors for detecting position in space or for detecting distance.
  • a further embodiment of a floor cleaning machine according to the invention which is shown in Figures 10 to 12 and designated by 182, comprises a floor head 184 with a base module 186 and a cleaning module 188.
  • the floor cleaning machine 182 is designed as a self-steering and self-propelled floor cleaning machine and a corresponding sensor unit 190 for position orientation in space is arranged on the base module 186.
  • the cleaning module 188 holds a cleaning roller unit 192 via a first holder.
  • the cleaning roller unit 192 comprises two (partial) cleaning rollers.
  • the cleaning module 188 has a base 194.
  • a first holder 196 for the cleaning roller unit 92 and the corresponding partial rollers is located on the base 194.
  • a rotary bearing device 197 is formed on the cleaning module 188 via the holder 196.
  • a portion 198 of a torque transmission device is also located on the base 194.
  • a dirty fluid tank device 200 is provided.
  • the dirty fluid tank device 200 is detachably held on the cleaning module 188 via a second holder 202.
  • a sweeping device 204 is located on the dirty fluid tank device 200.
  • the sweeping device 204 points in the direction of the floor 14 to be cleaned and is a short distance from the installation plane 96 or touches it.
  • the sweeping device 204 serves to collect coarse dirt and make it available to the cleaning roller unit 192 for collection.
  • a mouth device 206 is provided on the dirty fluid tank device 200, on which in turn a scraper device 208 is located.
  • a hair comb device 210 is arranged on the base 194, which has a plurality of pins that act on the cleaning roller unit 192 and in particular rest against it and penetrate into it. Hair can be picked up by the pins.
  • the base 194 has spaced chambers 212 which are located above the cleaning roller unit 192 and in particular above the partial rollers.
  • a part of the hair comb device 210 is arranged on the cover 214, and the base 194 has a corresponding through opening 216 so that the corresponding pins of the hair chamber device 210 can act on the cleaning roller unit 192.
  • a coupling device is provided which is basically designed in the same way as the coupling device 146. This ensures a mechanical fixation of the cleaning module 188 to the base module 186 with a fluid connection (for the passage of cleaning fluid) and with a torque transmission coupling.
  • a further embodiment of a floor cleaning machine according to the invention which is shown schematically in Figure 13 and designated 220, comprises a floor head 222 with a base module 224 and a cleaning module 226.
  • a web 228 is arranged on the base module 224.
  • a drive motor 230 is located on the base module 224.
  • a drive element 232 is located on the web 228 and is coupled to the drive motor 230 in a torque-effective manner via a torque transmission device 234.
  • the torque transmission device 234 is located with a partial area on the web 228.
  • the drive element 232 also forms a pivot bearing for a cleaning roller unit 236.
  • the drive element 232 is also part of a coupling device 238 for the torque-effective coupling (and also mechanical fixation) of the cleaning module 226 to the base module 224.
  • the cleaning module 226 has a further rotary bearing 240, which is spaced apart from the drive element 232 with respect to a rotation axis 242 of the cleaning roller unit 236 and is a counter bearing for the drive element 232.
  • a rotary bearing device 233 on the cleaning module 226 is formed by the further rotary bearing 240.
  • the drive element 232 (which also comprises a rotary bearing) is located on the base module 224.
  • the cleaning roller unit 236 is suspended or clamped between corresponding pivot bearings via the drive element 232 and the pivot bearing 240 and is rotatably mounted on the cleaning module 226 and the base module 224.
  • the cleaning roller unit 236 is formed by a single cleaning roller.
  • a removable dirty fluid tank device 244 is also positioned on the cleaning module 226 and associated with the cleaning roller unit 236.
  • a sliding guide 246 is provided, via which the cleaning module 226 can be fed to the drive element 232 in a direction transverse to a longitudinal axis 248 of the base head 222.
  • the sliding guide 246 is part of the coupling device 238.
  • the cleaning module 226 is releasably positioned in a free space 250 which is between the web 228 and a front end 252 of the base module 224 is formed.
  • the sliding guide 246 is located in the area of the front end 252.
  • an insertion direction 254 of the cleaning module 226 is transverse and in particular perpendicular to the longitudinal axis 248 and at least approximately parallel to the rotation axis 242.
  • the cleaning module 226 can be inserted into the base module 224 via the sliding guide 246 and guided onto the drive element 232.
  • the cleaning roller unit 236 is coupled to the drive element 232 in a rotationally fixed manner and can be driven by the latter in rotation about the rotation axis 242 during a cleaning operation.
  • a type of receiving shaft is formed in the free space 250, via which the cleaning module 226 can be inserted in the insertion direction 254 and can be removed in the opposite direction to the insertion direction 254.
  • an insertion direction or removal direction of the corresponding cleaning module 18, 86, 170 from the associated base module 16, 84, 168, 186 is parallel to the longitudinal direction 32.
  • the insertion direction 254 is transverse and in particular perpendicular to the longitudinal axis 248.
  • the floor cleaning machine 220 has a hinged cover 256 on which (at least) one sensor unit 258 is encapsulated. This makes it easy to create a self-propelled and self-steering floor cleaning machine 220, with the corresponding electrical components being encapsulated to protect them from the effects of liquids.
  • possible forward movement directions 38', 38" are shown, depending on the design or application. In the forward movement direction 38', the cleaning module 226 follows the base module 224 in this direction. If the forward movement direction is 38", then the base module 224 follows the cleaning module 226 in this direction.
  • Embodiments have been described above in which fan-free operation of the floor cleaning machine is provided.
  • the corresponding floor cleaning machine according to the invention it is also possible for the corresponding floor cleaning machine according to the invention to be provided with a fan device which is positioned on the base module or a holding rod device (which is then located on the base module).
  • the fan device ensures a suction flow.
  • the suction flow acts on the at least one cleaning roller unit during operation of the floor cleaning machine.
  • direct suction takes place on the cleaning roller unit.
  • a corresponding suction channel connection is provided between the fan device and the cleaning module, wherein the suction channel connection in particular comprises a suction path on the base module and a suction path in the cleaning module, wherein in turn by coupling the cleaning module to the base module, a fluid-effective connection is automatically provided between the fan device and the cleaning module, which is in particular created automatically (and fluid-tight) when the cleaning module is coupled to the base module.

Landscapes

  • Electric Suction Cleaners (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne une machine de nettoyage de planchers, comprenant une tête de plancher (12), au moins une unité de rouleau de nettoyage (24), un dispositif de réservoir de fluide sale (30) et un dispositif de support (100) pour supporter la tête de plancher (12) sur un plancher (14) à nettoyer, le dispositif de support (100) et au moins une unité de rouleau de nettoyage (24) fournissant un plan de mise en place (96) pour la tête de plancher (12) sur le plancher (14) à nettoyer, caractérisé en ce que : la tête de plancher (12) comporte un module de base (16) et un module de nettoyage (18), le module de nettoyage (18) étant relié de manière amovible au module de base (16) par l'intermédiaire d'un dispositif d'accouplement (20) ; ladite au moins une unité de rouleau de nettoyage (24), un dispositif de roulement (23) pour le montage rotatif de ladite au moins une unité de rouleau de nettoyage (24) et le dispositif de réservoir de liquide sale (30) sont disposés sur le module de nettoyage (18) ; et le dispositif de support (110) est disposé au moins en partie sur le module de base (16).
PCT/EP2023/053942 2023-02-16 2023-02-16 Machine de nettoyage de planchers avec module de base et module de nettoyage Ceased WO2024170089A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202380090256.3A CN120417818A (zh) 2023-02-16 2023-02-16 具有基础模块和清洁模块的地面清洁机
PCT/EP2023/053942 WO2024170089A1 (fr) 2023-02-16 2023-02-16 Machine de nettoyage de planchers avec module de base et module de nettoyage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2023/053942 WO2024170089A1 (fr) 2023-02-16 2023-02-16 Machine de nettoyage de planchers avec module de base et module de nettoyage

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WO2024170089A1 true WO2024170089A1 (fr) 2024-08-22

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CN (1) CN120417818A (fr)
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