EP4003118A1 - Floor cleaning machine - Google Patents
Floor cleaning machineInfo
- Publication number
- EP4003118A1 EP4003118A1 EP19744685.9A EP19744685A EP4003118A1 EP 4003118 A1 EP4003118 A1 EP 4003118A1 EP 19744685 A EP19744685 A EP 19744685A EP 4003118 A1 EP4003118 A1 EP 4003118A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- floor
- head
- cleaning machine
- holding device
- machine according
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 353
- 239000012530 fluid Substances 0.000 claims description 69
- 239000007788 liquid Substances 0.000 claims description 17
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 7
- 239000004753 textile Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 228
- 230000000875 corresponding effect Effects 0.000 description 45
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 17
- 230000001154 acute effect Effects 0.000 description 8
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- 230000002349 favourable effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 239000012459 cleaning agent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
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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
- A47L9/0009—Storing devices ; Supports, stands or holders
- A47L9/0054—Stands or the like for temporary interruption of work
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
- A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4091—Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used
-
- 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
- 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
- A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
-
- 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
Definitions
- the invention relates to a floor cleaning machine, comprising a floor head, at least one cleaning roller which is arranged on the floor head, a tank device which is arranged on the floor head, and a movable stand device which is arranged on the floor head, the floor cleaning machine in a parking position the bottom head is supported on a base by the base device in such a way that the min least one cleaning roller is spaced apart from the base.
- WO 2018/001754 A1 discloses a damp cleaning device with a rotating cleaning roller and a stripping device that can be displaced to the cleaning roller.
- WO 2019/029821 A1, WO 2018/162092 A1, WO 2018/162091 A1 are known.
- the invention is based on the object of providing a floor cleaning machine of the type mentioned at the outset, which provides optimized cleaning results with a compact design.
- the tank device has at least one continuous recess through which a base of the base device is immersed at least in the park position.
- the stand device In the parking position, the stand device enables the cleaning roller to be lifted off with respect to a base. This means that there are no "standing plates” on the cleaning roller. Any cleaning fluid on the cleaning roller does not come into contact with the base and damage to the base is avoided.
- the floor head can be designed with a relatively low height, so that it is easy to drive under obstacles such as furniture or the like.
- an actuating mechanism for the stand device can be arranged in a simple manner on the floor head, the floor head being able to be made compact.
- the solution according to the invention can be used in a simple manner in a hand-held Bodenrei cleaning machine.
- the solution according to the invention is used, for example, in a self-steering and self-controlling floor cleaning machine such as a cleaning robot (and in particular a mopping robot).
- the at least one continuous recess extends through between an upper side of the tank device and a lower side. It creates a connection between the top and bottom and is used at least temporarily to accommodate the at least one stand.
- the tank device on the bottom head is, for example, a dirty fluid tank device, a tank device for cleaning liquid or a tank device with at least one receiving chamber for dirty fluid and at least one receiving chamber for cleaning liquid.
- the stand device has at least a first stand and a second stand, spaced apart from the first stand, with at least one of the following: the first stand and the second stand are spaced from one another in a spacing direction which is parallel to a pivot axis of the holding device to the floor head; the first stand and the second stand are spaced from one another in a spacing direction which is parallel to an axis of rotation of the min least one cleaning roller; the tank device is detachable in a removal direction from the floor head and the first stand and the second stand are spaced apart in a distance direction which is transverse to the removal direction.
- the floor cleaning machine stands securely in the parking position.
- the result is a compact structure of the bottom head.
- the tank device can be easily removed for emptying or cleaning.
- a support area of the bottom head for a base is arranged or formed on the floor head or the tank device, which is spaced apart from the at least one cleaning roller, in particular the support area being arranged at a rear end of the floor head or the tank device which is facing away from the at least one cleaning roller.
- the floor head and thus the floor cleaning machine can be supported in the parking position via this support area.
- the cleaning roller can be raised by means of the stand device, with a support being retained on the support area.
- the support area can also be designed in such a way that the floor head and thus the floor cleaning machine is supported on the base by means of it during cleaning operation.
- the bottom head in a cleaning operation, is supported on a base via the support area and the at least one cleaning roller. This results in an optimized cleaning result with a simple mode of operation.
- the floor head is supported on a base via the support area and the at least one stand, the at least one cleaning roller being lifted from the base. This results in an optimized protection of the base and also the at least one cleaning roller.
- a simple mode of operation results when the holding device is articulated to the operating head so that it can pivot about a pivot axis. In this way, a hand-operated floor cleaning machine can be implemented in a particularly simple manner. Due to the pivotability of the holding device, an adaptation to the size of the operator can be carried out and, for example, wiping movements can be carried out or obstacles can be passed and the like. Furthermore, the pivotability of the holding device can be used to bring the stand device into the parking position or to bring it out of it.
- the appropriate holder results in a compact design of the bottom head. This can be achieved with a low height and therefore good under-access. The number of components can be kept low.
- the bottom head can be designed with a relatively low weight. It results in good operability.
- a pivot axis of the base device is parallel to a pivot axis of a holding device on the floor head; the pivot axis of the stand device and the pivot axis of the holding device are spaced parallel to one another; the pivot axis of the stand device is parallel to an axis of rotation of the at least one cleaning roller; the pivot axis of the base device is positioned relative to a longitudinal axis of the floor head between the pivot axis of the holding device at a rear end of the floor head; the pivot axis of the base device is based on a height direction of the floor head away from an underside of the floor head, the underside of the base facing in the parking position, lower than the pivot axis of the holding device.
- the result is a compact construction of the bottom head.
- its height dimensions can be kept small.
- the stand device can be integrated into the floor head in an optimized way. In the parking position the result is a secure stand with at least one cleaning roller lifted off.
- the stand device has a bracket which is pivotably articulated to the floor head, with at least one of the following: at least a first arm and a second arm sit on the bracket at a distance; at least one first base is arranged on the first arm; at least one second stand is arranged on the second arm; the first arm and / or the second arm point in a direction towards the at least one cleaning roller; the bracket with the first arm and the second arm surrounds a fork-shaped area in which a drive device for the at least one cleaning roller is seated on the floor head; the bracket and, in particular, the first arm and the second arm are positioned in a height direction of the bottom head above the tank device.
- the at least one tab is arranged between the first arm and the second arm; the at least one tab is spaced apart from the first arm and / or the second arm; the at least one tab points away from the bracket in the direction of the min least one cleaning roller; the at least one flap is arranged symmetrically to the transverse sides of the bottom head; the at least one tab is arranged in a vertical direction of the bottom head above a drive device for the at least one cleaning roller; the at least one tab is arranged in a region of a joint, via which a holding device is pivotably arranged on the floor head; the joint for the holding device comprises a first articulated foot and a second articulated foot, which is spaced apart from the first articulated foot, wherein the at least one tab is positioned between the first articulated foot and the second articulated foot.
- the design and arrangement of the at least one tab results in a compact design of the bottom head.
- the stand device can be integrated into the floor head in an optimized way.
- the holding device is coupled to at least one cam, which acts on the at least one tab in a specific swivel range of the holding device to the floor head and causes a swiveling movement of the stand device via a swiveling movement of the holding device.
- the parking position can thus be reached in a simple, automated manner by a pivoting movement of the holding device to the floor head.
- At least one rib sits on the holding device, which is separate from the at least one cam, and acts on the at least one cam in a certain pivoting range of the holding device to the bottom head and a movement of the at least one cam to act on causing at least one tab.
- the holding device can only act in a certain way
- the at least one rib is arranged on a shaft which is rotatably connected to the holding device.
- the holding device is pivotably mounted on the bottom head via the shaft.
- the at least one cam is rotatable relative to the holding device and, in particular, is arranged rotatably on a shaft of the holding device. It can be positioned outside of a certain swivel angle range of the cams so that it can with respect to the Stand device is "loose” and exerts no significant force. Only when a certain position of the holding device to the floor head is reached (in the vicinity of a parking position up to the parking position), a corresponding action takes place in order to reach the parking position.
- the at least one rib acts on the at least one cam only in a single pivoting direction of the holding device. In this way, an action can be achieved during the transition into a parking position of the holding device to the floor head. In a normal cleaning operation there is then in particular no effect.
- This particular pivoting direction of the holding device is preferably towards the at least one cleaning roller.
- a spring device is provided, the spring of which tends to force the stand device from the parking position into a non-support position.
- the non-support position is intended in particular for a cleaning operation.
- the stand device can then be moved back by the spring force of the spring device in order to bring the cleaning roller into contact with the base.
- the spring device is designed as a tension spring device which strives to pull the at least one pedestal device upwards in a height direction of the floor head (in particular away from the tank device or from the base).
- the spring device can thereby be easily integrated into the floor head. It can be compact dimensions for the
- the holding device is non-positively and / or positively fixed with respect to the floor head in the fixed pivot position. In this way, the holding device can be “dropped” in a simple manner.
- a force-locking fixation takes place in particular.
- a holding magnet device is provided for fixing a specific pivot position of the holding device in relation to the floor head.
- the holding magnet device comprises at least one holding magnet and a counter-element assigned to the at least one holding magnet; the at least one holding magnet is arranged in a housing of the bottom head; the at least one counter element is arranged in the housing of the floor head; the at least one holding magnet is non-rotatably connected to the holding device and the associated at least one counter-element is arranged fixedly on the floor head, or the at least one counter-element is non-rotatably connected to the holding device and the associated at least one holding magnet is arranged fixedly on the floor head; the at least one counter-element, if it is fixedly seated on the floor head, is designed as a stop for the holding device and in particular for the associated at least one holding magnet, or the at least one holding magnet, if it is fixedly seated on the floor head, is a stop for the holding device and in particular designed for the associated at least one counter element; the at least one holding magnet or the at least one counter-element is seated on
- the at least one counter-element is, in particular, a metal plate which interacts with the associated at least one holding magnet in order to achieve a non-positive fixing.
- the floor head can be designed with a low height, and there is good accessibility under furniture and the like.
- the at least one counter element (or correspondingly the at least one holding magnet) can also be designed for a stop.
- the magnetic force of the holding device in the parking position prevents the holding device from falling back.
- the stop limits a maximum pivotability of the holding device to the floor head.
- the at least one holding magnet or the at least one counter element is arranged on a rocker arm of the holding device; the rocker arm is movable in a housing of the floor head.
- the parking position can be secured in a simple manner by means of a magnetic force.
- a stop can be provided in a simple manner. The height of the top of the floor can be kept low in order to achieve easy accessibility.
- the stand device is automatically brought into the park position by pivoting a holding device for an operator into a fixed pivot position to the floor head, and in particular when the floor head is supported on a base, the at least one cleaning roller is lifted from the base becomes. This results in simple operability for a user.
- the holding device can rotate relative to the base head, an axis of rotation being at least approximately parallel to a longitudinal axis of the holding device.
- a handle for guiding the floor cleaning machine is then rotatable on the floor head.
- the holding device can be rotated in at least a partial angular range relative to the floor head (in addition to being pivotable).
- the rotational mobility of the holding device on the floor head is realized, for example, by a corresponding articulation of the holding device on the floor head (in particular the holding device can then be rotated as a whole relative to the floor head), or the holding device is designed in several parts and a first part of the holding device is one second part of the holding device rotatable.
- a form-locking device which blocks the rotation of the holding device about the axis of rotation in the parking position of the floor cleaning machine.
- the holding device can be fixed in the parking position relative to the floor head in a simple manner.
- a shield movable with the holding device is arranged on the base head, a first positive-locking element being arranged on the holding device and a second positive-locking element cooperating with the first positive-locking element on the shield, and the first positive-locking element and the second positive-locking element in the parking position element can be brought into positive engagement.
- the parking position can be secured in a simple way.
- a spacer is provided which, outside of the parking position, positions the sign relative to the holding device in such a way that the first form-locking element and the second form-locking element are not in form-locking engagement.
- the holding device can be rotated about the axis of rotation outside of the parking position.
- the spacer is or comprises a spring loaded pin. A force can then be exerted on the pin via the sign, in particular in the parking position, that it no longer fulfills the spacer function and form-locking engagement between the first form-locking element and the second form-locking element is enabled.
- a path is assigned to the shield, on which a curved portion of the shield is guided.
- the holding device can be rotated about the axis of rotation, and in the parked position, a form-locking engagement for fixing the parked position can be achieved by appropriate positioning of the sign.
- the web guide acts as a spacer for the sign to the holding device. In this way, a form-locking engagement can be prevented outside of the parking position.
- the movable cam acts in particular on the pedestal device in order to position one or more pedestals in the parked position accordingly.
- both the parking position of the stand device and a form-fitting fixation of the holding device with respect to the floor head with regard to the rotatability of the holding device in relation to the floor head in relation to an axis of rotation which is at least approximately parallel to a longitudinal axis of the holding device can automatically be reached when the floor cleaning machine is switched to the park position .
- the tank device has a recess in which, in particular, a portion of a drive device for the at least one cleaning roller is immersed. This results in a compact construction of the bottom head. In particular, its height dimensions can be kept small.
- the at least one cleaning roller is designed in two parts and a central drive is provided. This enables cleaning close to the edge.
- a tank device for cleaning liquid which is arranged on the holding device or on the bottom head, and in particular a feed device for cleaning liquid from the tank device for cleaning liquid to the min- at least one cleaning roller is provided.
- a damp cleaning device can be implemented.
- the at least one cleaning roller can be moistened and so dirt can be better loosened from the surface to be cleaned.
- the cleaning liquid is in particular water with or without a surfactant additive, for example.
- the tank device is at least partially a dirty fluid tank device which is arranged on the bottom head. You can receive dirty fluid directly from the at least one cleaning roller. In that case, in particular, no dirty fluid suction has to be provided.
- a stripping device is provided for stripping dirty fluid from the at least one cleaning roller and coupling it into the dirt fluid tank device. In this way, an optimized cleaning result can be achieved with a compact and structurally simple construction of the floor cleaning machine.
- the at least one cleaning roller has a textile trim, and a scraper of a stripping device is preferably immersed in the textile trim. It is referred to in this context to the
- a holding device is pivotably articulated to the bottom head, that at least one rib is non-rotatably connected to the holding device, that at least one cam is provided which is rotatable relative to the holding device and which is separate from the is at least one rib that in a specific pivot position range of the holding device to the bottom head, the at least one rib acts on the at least one cam and causes a rotary movement of the at least one cam, and that the at least one cam is coupled to the pedestal device and in the specific swing position range of the holding device to the floor head via the at least one cam a movement of the pedestal device can be actuated and the pedestal device can be brought into the parking position.
- the mechanical chain (1) of at least one rib, (2) at least one cam, (3) pedestal device enables the pedestal device to move in a simple manner via a pivoting movement of the holding device.
- the bottom head has a first transverse side and a second transverse side, with the at least one cleaning roller in particular extending at least approximately to the first transverse side and / or up to the second transverse side, and that the at least one pedestal opposite the first transverse page and the second transverse page is set back.
- the extension of the at least one cleaning roller at least approximately up to the corresponding transverse side means that this is set back at most over a range of 5% based on a total length of the cleaning roller (in a width direction between the transverse sides). This enables cleaning close to the edge.
- the stand foot device with the at least one stand does not protrude beyond a transverse side, but is set back or is at most on the transverse side. This results in a simple training.
- the at least one recess can be located as a cutout on the corresponding transverse side, or be spaced from it (as a "tunnel").
- Figure 1 shows an embodiment of a hand-held floor cleaning machine in a parking position
- FIG. 2 shows a floor head of the floor cleaning machine according to FIG. 1 in the parking position
- FIG. 3 shows a sectional view through the base head according to FIG. 2 in FIG.
- Figure 4 is a perspective partial representation of the bottom head
- FIG. 5 shows the floor head according to FIG. 2 in a cleaning operation
- FIG. 6 shows the floor head according to FIG. 5 in a cleaning mode
- Figure 7 shows the bottom head according to Figure 5 in a perspective part
- FIG. 8 shows the bottom head according to FIG. 2 or FIG. 5 in an exploded view without a cover
- FIG. 9 shows a view of the base head from below in the direction A.
- Figure 10 shows a tank device of the bottom head according to Figure 2 or
- FIG. 11 shows a partial representation of a second exemplary embodiment of a hand-held floor cleaning machine in a plan view outside a parking position
- FIG. 12 a sectional view along the line 12-12 according to FIG. 11;
- FIG. 13 a sectional view along the line 13-13 according to FIG. 11;
- FIG. 14 a sectional view along the line 14-14 according to FIG. 11;
- FIG. 15 shows the same representation as FIG. 11 in the parking position
- FIG. 16 a sectional view along the line 16-16 according to FIG. 15;
- FIG. 17 shows a sectional view along the line 17-17 according to FIG. 15.
- FIG. 18 a sectional view along the line 18-18 according to FIG.
- An exemplary embodiment of a floor cleaning machine according to the invention as a hand-operated floor cleaning machine which is shown as a whole in a side view in FIG. 1 and denoted by 10, comprises a floor head 12 (FIGS. 2 to 10).
- At least one cleaning roller 14 is arranged on the bottom head 12.
- the floor head 12 is supported by the cleaning roller 14 (FIGS. 5 to 7) on a base 16 to be cleaned and acts on it.
- the pad 16 to be cleaned is in particular a hard floor.
- the floor cleaning machine 10 comprises a holding device 18 (FIG. 1).
- the holding device 18 is pivotably articulated to the floor head 12 via a joint 20.
- a pivot axis 22 (see FIG. 4) the pivotability of the The holding device 18 on the base head 12 is oriented transversely and in particular perpendicular to a longitudinal axis 24 (see FIG. 4) of the base head 12.
- the longitudinal axis 24 defines an extension of the base head 12 transversely to the cleaning roller 14 (and in particular transversely to an axis of rotation of the cleaning roller 14; see below).
- the pivot axis 22 is at least approximately parallel to the base 16.
- the floor cleaning machine 10 is hand-held.
- the holding device 18 is designed so that an operator can guide the floor cleaning machine 10 over the base 16, the floor head 12 being supported on the base 16, and the operator (at a distance from the floor head 12) himself standing on the base 16; the hand-held floor cleaning machine 10 is designed in particular so that it can be operated by a standing operator.
- the holding device 18 comprises a holding rod 26.
- This holding rod 26 is articulated to the base head 12 via the joint 20.
- the holding rod 26 extends in a longitudinal axis 28, which is oriented transversely and in particular perpendicular to the pivot axis 22.
- the holding rod 26 is articulated (in relation to an operator) at the distal end to the base head 12 via the joint 20.
- the holding device 18 has a bow-shaped handle 30 at a proximal end.
- one or more operating elements such as an on / off switch and the like are arranged on or in the area of the bow-type handle 30.
- the holding device 18 with the holding rod 26 can be adjustable in length in the longitudinal axis 28 or can be designed to be fixed in length.
- an operator who stands on the base 16 and guides the floor cleaning machine 10 using the handle 30 can adjust a total height of the floor cleaning machine 10 above the base 16 to his body size.
- a type of wiping movement can be performed by moving back and forth.
- the floor cleaning machine 10 on the base 16 can be achieved.
- the total height of the floor cleaning machine 10 can be reduced by pivoting the Garein direction 18 in the direction of the pad 16.
- the holding device 18 can be pivoted about one or more further pivot axes relative to the floor head 12, in order in particular to achieve better accessibility.
- the holding device 18 can be pivoted to the floor head 12 about a pivot axis which is parallel to the longitudinal axis 28.
- the floor cleaning machine 10 can be mains operated. It is then arranged in particular on the holding device 18, a power cord with a plug, which leads to a corresponding electrical load.
- the walk-behind floor cleaning machine 10 is battery operated.
- a battery device 32 and, in particular, a rechargeable battery device 32 is arranged on the holding device 18 in a fixed or removable manner. This provides the necessary electrical energy when the floor cleaning machine 10 is in operation.
- the hand-held floor cleaning machine 10 is designed in particular as a wet cleaning machine. It is provided that the base 16 is moistened directly or via the cleaning roller 14.
- a tank device 34 for cleaning fluid is on the Holding device 18 arranged in particular removable.
- the tank device 34 for cleaning liquid can hold water with an additive of cleaning agent and, in particular, of surfactant cleaning agent.
- a holder 36 for the tank device 34 is provided on the holding device 18.
- the holder 36 is positioned closer to the bottom head 12 with respect to the longitudinal axis 28 than a holder 38 for the battery device 32.
- a feed device 40 is provided, via which cleaning fluid can be fed from the tank device 34 to the bottom head 12 and in particular to the cleaning roller 14.
- a supply of cleaning liquid speed from the tank device 14 to the bottom head 12 is, for example, driven by gravity. It is also possible, for example, for a pump to be provided for the corresponding liquid delivery.
- the bottom head 12 comprises a holder 42 (FIGS. 3, 4, 8).
- the holder 42 is plate-shaped with a top 44 and a bottom 46.
- the bottom head 12 extends in a height direction 48 which is perpendicular to the longitudinal axis 24.
- the upper side 44 and the lower side 46 lie transversely and at least approximately to this height direction 48.
- a drive device 50 for the cleaning roller 14 is positioned on the upper side 44 of the holder 42 (see also FIG. 8).
- a trough-shaped receptacle 52 (FIG. 8) is formed on the upper side 44 of the holder 42; the receptacle 52 is a recess on the holder 42 which is open towards the top side 44. It is closed towards the bottom 46.
- the drive device 50 comprises a motor, and in particular an electric motor 54, which is arranged in a housing 56. This housing 56 is fixed to the holder 42.
- the motor 54 has a motor axis 58 which is oriented transversely to the longitudinal axis 24 and to the height direction 48.
- the motor axis 58 is oriented parallel to the pivot axis 22 of the joint 20.
- the drive device 50 further comprises a gear device 60, which serves to transmit torque from the motor 54 to the cleaning roller 14.
- the transmission device 60 further comprises a reduction gear, which reduces a speed of the motor 54.
- the motor 54 has a speed of the order of 3000 rpm.
- the reduction gear reduces the speed to a speed of approx. 600 rpm or 700 rpm.
- the cleaning roller 14 is rotated at this speed.
- the drive device 50 comprises a first shaft 62 and a second shaft 64.
- the transmission device 60 is coupled to both the first shaft 62 and the second shaft 64 in a torque-effective manner (and is likewise coupled in a torque-effective manner to the motor 54).
- first shaft 62 extends to one side and the second shaft 64 extends to an opposite side.
- the cleaning roller 14 is constructed in two parts with a first part 66 and a second part 68 (see FIG. 8).
- the first part 66 is seated non-rotatably on the shaft 62; a rotation of the shaft 62, which is driven by the motor 54, causes a rotation of the first part 66 of the cleaning roller 14.
- a rotation of the second shaft 64 causes the second part 68 of the cleaning roller 14 to rotate.
- the first shaft 62 and the second shaft 64, and thus the first part 66 and the second part 68 of the cleaning roller 14, are driven synchronously.
- the motor 44 acts simultaneously with the transmission device 60 synchronously on the first shaft 62 and the second shaft 64.
- the cleaning shaft 14 with the first part 66 and the second part 68 has a single axis of rotation 70 (FIG. 4).
- This axis of rotation 70 is parallel to the pivot axis 22. It is transverse and in particular perpendicular to the longitudinal axis 24. It is also transverse and in particular perpendicular to the vertical direction 48.
- the axis of rotation 70 is parallel to the motor axis 58.
- the drive device 50 is designed as a center drive.
- a torque-effective coupling between the motor 54 and the cleaning roller 14 takes place in a central region 72 (see FIG. 8), which lies between the first shaft 62 and the second shaft 64.
- the middle area 72 is arranged centrally on the bottom head 12, based on a first transverse side 74 and an opposite, second transverse side 76 of the bottom head 12.
- a distance direction between the first transverse side 74 and the second transverse side 76 is transverse to the longitudinal axis 24 and transverse to the vertical direction 48.
- the cleaning roller 14 is held on the holder 42 of the bottom head 12 via the housing 56 with the shafts 62, 64.
- the holder 42 of the bottom head 12 has a front end 78 and an end 80 facing away from it.
- Direction 80 is a forward direction.
- the cleaning roller 14 is driven by the drive device 50 during operation in such a way that a rotation of the cleaning roller 14 on the base 16 for the floor cleaning machine causes propulsion in the direction 80.
- This propulsion in the direction 80 leads in particular to a forward movement of the hand-held floor cleaning machine 10 in the direction 80.
- a corresponding direction of rotation 82 for the rotation of the cleaning roller 14 and the axis of rotation 70 is shown with an arrow with the reference numeral 82, which leads to a forward drive in direction 80.
- the cleaning roller 14 with its first part 66 and the second part 68 is held on the holder 42 in front of the front end 78 of the holder 42.
- the floor cleaning machine 10 comprises a tank device 84 which, in the embodiment shown, is a dirty fluid tank device and which is detachably arranged on the floor head 12.
- the dirty fluid tank device 84 serves to hold dirty fluid which is stripped off by the cleaning roller 14.
- the dirty fluid is, in particular, cleaning fluid loaded with dirt.
- the dirty fluid tank assembly 84 is positioned on the underside 46 of the holder 42.
- An underside 86 of the bottom head 12 is formed on the dirty fluid tank device 84.
- the dirty fluid tank device 84 is detachably fixed on the holder 42 and thus on the floor head 12 via a fixing device 88.
- the fixing device 88 comprises, for example, hinged tabs 90 (FIG. 4) which are arranged on the holder 42.
- the dirty fluid tank device 84 has lateral recesses 92 adapted to the tabs 90 (on the transverse sides 74, 76), with an element of the corresponding tab 90 being able to dip into the associated recess 92 and, when the element is appropriately immersed in the recess 92, the dirty fluid tank device 84 is fixed in place on the holder 42.
- the tabs 90 are designed in such a way that they can be latched and thus a corresponding fixing position of the dirty fluid tank device 84 on the floor head 12 is secured. Such a secured position is shown in FIG.
- Dirty fluid tank device 84 can be removed for emptying or cleaning.
- a removal direction 94 of the dirty fluid tank device 84 from the bottom head 12 is transverse and in particular perpendicular to the pivot axis 22 or the axis of rotation 70.
- the removal direction 94 is parallel to the height direction 48. It can also lie at an acute angle to the vertical direction 48 (indicated in FIG. 2 by the reference number 94 ').
- the dirty fluid tank device 84 comprises a tub part 96 and a cover part 98.
- the cover part 98 can be removed from the tub part 96 in order to be able to empty and clean the dirty fluid tank device 84.
- the tub part 96 has a base 100.
- the underside 86 of the dirty fluid tank device 84 and thus also of the floor head 12 is formed on this floor when the dirty fluid tank device 84 is seated on the floor head 12.
- the bottom 100 is essentially flat educated. A correspondingly small height of the dirty fluid tank device 84 in the height direction 48 can be realized with a large receiving volume.
- the outer contour of the cover part 98 follows the tub part 96.
- the tub part 96 is open in its entire cross section when the cover part 98 is removed.
- a recess 102 which is trough-shaped, is formed on the cover part 98.
- This recess 92 protrudes into a receiving space 104 of the dirty fluid tank device 84 when the cover part 98 is placed on the tub part 96. It can be provided that a floor of the open space 104 makes contact with the floor 100 of the tub part 96.
- the recess 102 corresponds to the receptacle 52 on the holder 42.
- the receptacle 52 on the holder 42 has an area which protrudes downward.
- the corresponding region of the receptacle 52 is immersed in the recess 102 of the dirty fluid tank device 84.
- the bottom head 12 can thus be designed with a low height in the height direction 48.
- the immersed region of the receptacle 52 in the recess 102 of the dirty fluid tank device 84 can be used to provide a positive connection with respect to a displacement of the dirty fluid tank device 84 parallel to the longitudinal axis 24 and transversely to the longitudinal axis 24.
- the dirty fluid tank device can then be fixed on the holder 42 in these directions.
- basically only a fixing in the height direction 48 is necessary via the fixing device 88.
- the cleaning roller 14 is seated on the holder 42 in such a way that it protrudes beyond the underside 86 of the floor head 12 (the dirty fluid tank device 84).
- the bottom head 12 is supported on the base 16 via the cleaning roller 14 without the underside 86 touching the base 16.
- a support region 106 is arranged on the bottom head 12, which is spaced apart from the cleaning roller 14. This support area 106 serves to support the floor head 12 and thus also the floor cleaning machine 10 as a whole, in particular during cleaning operation as well as in a parking position on the pad 16. The support area 106 is then arranged so that the underside 86 of the dirty fluid tank device 84 is neither in the Cleaning operation still contacted the pad 16 in the parking position.
- the support region 106 is arranged in particular at a rear end 108 of the holder 42 which faces away from the front end 78.
- the support area 106 is formed by a slider or a roller 110.
- the dirty fluid tank device 84 comprises a cutout 112 through which the corresponding support area 106 is dipped in order to enable support on the base 16.
- the cutout 112 is in particular formed both on the wall part 96 and on the cover part 98.
- the cleaning roller 14 or its parts 66, 68 each have a carrier 114 which is in particular cylindrical.
- a trim 116 made of a textile material is seated on the carrier 114.
- the trim 116 is made from a microfiber material, for example.
- a scraper device 118 with (at least) one scraper 120 is arranged on the bottom head. The scraper 120 protrudes into the textile material of the trim 116 in order to be able to detach the dirty fluid from the cleaning roller 14.
- the wiper 120 is seated at an opening 122 and in particular forms an opening wall, the opening 122 being in fluid communication with the dirty fluid tank device 84. As a result, dirty fluid detached from the cleaning roller 14 can be conveyed into the dirty fluid tank device 84.
- This conveyance of dirty fluid into the dirty fluid tank device is provided in particular in a pump-free or fan-free manner, it also being possible in principle for a fan to be present to generate a suction flow.
- the stripping device 118 and / or the mouth 122 are arranged on the dirty fluid tank device 84 and, for example, can also be removed with it.
- the stripping device 118 is arranged on the cover part 98.
- One or more sweeping element (s) 119 can also be arranged on the floor head 12 and, for example, the dirty fluid tank device 84.
- sweeping element (s) 119 can also be arranged on the floor head 12 and, for example, the dirty fluid tank device 84.
- the joint 20 is also arranged on the holder 42.
- a hinge holder 124 (cf. FIG. 8) is provided for this purpose, which is fixed with the holder 42 and is positioned on the housing 56 of the drive device 50 and in particular receives it.
- a first support foot 126 and a second support foot 128 are arranged on the joint holder 24. These are spaced from one another.
- a shaft 130 is connected non-rotatably to the holding rod 26.
- the shaft 130 is rotatably positioned on the first support leg 126 and the second support leg 128.
- the axis of rotation corresponds to the pivot axis 22.
- the pivot axis 22 is positioned relative to the longitudinal axis 24 between the front end 78 and the rear end 108 of the holder 42 and thus between the front end and the rear end of the bottom head 12's.
- the joint 20 with the joint holder 124 is above the Dirty fluid tank device 84 arranged, the holder 42 lying between the joint 20 and the dirty fluid tank device 84.
- the support feet 126 and 128 are symmetrical to a center plane of the
- Bottom head 12 positioned between the first transverse side 74 and the second transverse side 76.
- the holding device 18 is centrally and symmetrically hinged to the base head 12.
- the joint 20 is also positioned at least approximately centrally with respect to the longitudinal axis 24 between the front end 78 and the rear end 108.
- a cover 132 (see FIGS. 1 to 3) is seated on the bottom head 12 and covers the holder 42 at the top. In FIG. 4, the bottom head 12 is shown without this cover 132.
- the holding device 18 can be pivoted in a pivoting angular range 134 (see FIG. 2) with respect to the bottom head 12.
- This swivel angle range is, for example, on the order of 110 °.
- a maximum pivoting angle of the holding device 18 in relation to the floor head 12 is reached when the holding rod 26 is at least approximately parallel to the underside 86 of the floor head 12.
- a parking position 136 (FIG. 1) of the holding device 18 for the floor head 12 is provided for the hand-held floor cleaning machine 10.
- This parking position 136 is a storage position for the floor cleaning machine 10 and is in particular not an operating position for a cleaning operation.
- This parking position 136 can be secured via a parking position holding device 138.
- the holding device 138 ensures a non-positive or positive coherent fixing of the holding device 18 in the parking position 136 on the floor head 12.
- the parking position holding device 138 is designed as a magnetic holding device 140.
- one or more holding magnets 142 are seated on the holding device 18 for this purpose.
- One or more counter-element (s) 144 are seated on the bottom head 12 and in particular the holder 42.
- the holding magnet (s) 142 can be pivoted with the holding device 18 .
- the counter element (s) 144 sit firmly on the floor head 12.
- the parking position 136 is fixed.
- the counter element (s) 144 are arranged such that they do not interfere with the pivotability of the holding device 18 in normal cleaning operation.
- the counter-element 144 serves to a certain extent as a stop for the park position 136, this stop position being secured as the park position 136 via the holding device 138 in general and specifically via the holding magnet device 140.
- the longitudinal axis 28 of the holding rod 26 is parallel to the height direction 48 or lies at a small acute angle of, for example, 10 ° or 20 ° to this height direction 48 (see FIG. 2).
- the cleaning roller has a first front end 146 which lies on the first part 66. It has a second end 148, which in the second part 68 ( Figure 9).
- the cleaning roller extends in a direction along the axis of rotation 70 between the first end 146 and the second end 148.
- the cleaning roller 14 is separated in a central area 150, so that the first part 66 and the second part 68 are formed. In this central region 150, the transmission device 16 is coupled to the cleaning roller 14 in a torque-effective manner.
- the cleaning roller 14 extends at least approximately between the first transverse side 74 and the second transverse side 76.
- the first front end 146 lies on the first transverse side 146 or is set back in the direction of the axis of rotation 70 by at most a small distance.
- the second front end 148 lies in the second transverse side 46 or is set back at most by a small distance.
- This small distance over which the front ends of the cleaning roller 14 can be set back with respect to the transverse sides 74, 76 is in particular at most 5% and in particular at most 1% of a width B of the bottom head 12 between the first transverse side 74 and the second transverse side 76 (FIG 9).
- a base device 152 is arranged on the floor head 12.
- the dirty fluid tank device 84 has at least one continuous recess 154, which is assigned to the stand device 152.
- the stand device 152 is designed and arranged mirror-symmetrically to a center of gravity of the floor cleaning machine 10.
- the dirty fluid tank device 84 has continuous recesses 154a, 154b spaced apart in a distance direction between the first transverse side 74 and the second transverse side 76.
- the recesses 154a, 154b are arranged between the support area 106 and the cleaning roller 14 in relation to the longitudinal axis 24 of the base head 12.
- the continuous recesses 154a, 154b are arranged eccentrically with respect to the longitudinal axis 24.
- the through recesses 154a, 154b are positioned in the vicinity of the respective first transverse side 74 and 76 and are offset slightly inward.
- Dirty fluid tank device 84 is formed, which is open on a transverse side, as indicated in FIG.
- the recess 155 as a cutout can also be positioned at a corner area and be open on two transverse sides.
- the continuous recess 154a is spaced apart from the closest first transverse side 74.
- the continuous recess 154b is spaced in this width direction 158 from the nearest second transverse side 76.
- a distance between the continuous recess 154a, 154b in the width direction 158 is smaller than a corresponding length of the cleaning roller 14 in this width. direction 158, wherein the length of the cleaning roller 14 is the length between the first end 146 and the second end 148 in the width direction 158.
- the stand device 152 does not impede the cleaning operation.
- a cleaning operation close to the edge can be achieved since the cleaning roller 14 extends at least approximately as far as the transverse sides 74, 76.
- the stand device 150 does not negatively influence the structure of the floor head 12, which is optimized for an optimized cleaning process.
- Recesses 160a, 160b that correspond to the through recesses 154a, 154b are arranged on the holder 42.
- the continuous recess 154a continues in the recess 160a in the holder 42; the through recesses 154b continue in the recess 160b.
- the hand-held floor cleaning machine 10 has a parking position 162 (FIGS. 1 to 4). In this parking position 162, the cleaning roller 14 is lifted from the base 16 via the Standfußeinrich device 152. The floor cleaning machine 10 is supported via the floor head 12 on the base 16 via the support area 106 and the stand device 152. The cleaning roller 14 does not touch the pad 16. This prevents the cleaning roller 14 from getting “standing plates”. Furthermore, damage to a floor to be cleaned can be prevented, since the floor (the base 16) is out of contact with the cleaning roller 14 and possibly also with cleaning agent or liquid on the cleaning roller 14 except Contact is brought. Furthermore, improved drying of the cleaning roller 14 can be achieved when the floor cleaning machine 10 is not in operation.
- the parking position 162 of the floor cleaning machine 10 as a whole is coupled in particular to the parking position 136 of the holding device 18 for the floor head 12.
- the pedestal device 152 is arranged pivotably on the floor head 12 via a joint 164.
- the joint 164 is positioned next to the holder 42 and there on the upper side 44. The joint 164 is thus positioned in the vertical direction 48 above the dirty fluid tank device 84.
- the joint 164 has a pivot axis 166 (FIG. 4).
- the pivot axis 166 lies essentially parallel to the width direction 158. It is parallel to the pivot axis 22 of the pivotability of the holding device 18 on the floor head 12. It is also parallel to the axis of rotation 70 of the cleaning roller 14. It is transverse and in particular perpendicular to the longitudinal axis 24 of the bottom head 12. It is also transverse and, in particular, perpendicular to the vertical direction 48 of the bottom head 12.
- the hinge 164 is positioned so that it is positioned between the front end 78 and the rear end 108 of the holder, closer to the rear end 108 than to the front end 76.
- the joint is arranged in the region of the receptacle 52 of the holder 42 and is positioned between the receptacle 52 and the rear end 108.
- the joint 164 is thereby arranged between the drive device 50 and thereby between the housing 56 and the rear end 108 or is positioned between the housing 56 and the support region 106 with respect to the longitudinal axis 24. In one embodiment, it is provided that the pivot axis 166 of the joint 164 is closer to the holder 42 in relation to the height direction 48 than the pivot axis 22 for the pivotability of the holding device 18 to the base head 12.
- the stand device 152 comprises a bracket 168 (FIGS. 4, 8), which is hinged directly to the joint 164.
- a first arm 170a and a second arm 170b are seated on the bracket 168, spaced apart.
- the bracket 160 with the arms 170a, 170b is fork-shaped.
- the drive device 50 with its housing 56 is positioned between the first arm 170a and in the second arm 170b, and the joint holder 124 with the joint 20 is positioned.
- a first base 172a is seated on the first arm 170a.
- a second stand 172b sits on the second arm.
- the first base 172a is at least partially submerged through the recess 160a, 154a (or 155) (see below).
- the second stand 172b is at least partially submerged through the recesses 160b, 154b.
- the feet 172a, 172b protrude beyond the underside 86 of the floor head 12 (FIGS. 1 to 4) or do not protrude beyond the underside (FIGS. 5 to 7).
- the parking position 162 of the floor cleaning machine 10 is reached (FIGS. 1 to 4).
- the feet 172a, 172b are then supported on the base 16 (FIGS. 1 to 4), and the cleaning roller 14 is lifted off the base 16.
- An actuating mechanism 174 is provided which couples a positioning of the stand device 152 with respect to reaching the parking position 136 to a pivoting positioning of the holding device 18 with respect to the cleaning roller 14.
- a tab 176 is arranged on the bracket 168.
- the tab 176 is positioned between the first arm 170a and the second arm 170b and in particular centrally between them. It points towards the cleaning roller 14.
- the tab 176 (see FIG. 4) is arranged above the hinge holder 124 in relation to the vertical direction 48, and is positioned between the first support foot 126 and the second support foot 128. In relation to the height direction 48, the tab 176 is arranged below the pivot axis 22 (see FIG. 4).
- the tab 176 is rotatably ver connected to the bracket 168 and pivotable with this.
- a force (a torque) is introduced via the tab 176 in order to bring about a pivoting movement of the base device 152.
- a rib 178 is seated non-rotatably on the shaft 130 of the holding device 18
- This rib can be rotated with the holding rod device 18 about the pivot axis 22.
- a cam 180 is seated on the shaft 130. This cam 180 is rotatably held on the shaft 31 via a joint 182. An axis of rotation 184 of the cam 180 coincides with the pivot axis 22.
- the hinge 182 includes hinge eyes 186, via which the cam 180 can be rotated about the axis of rotation 184.
- the cam 180 is positioned between the first support foot 126 and the second support foot 128 and is positioned above the bracket 176 in the height direction 48.
- the cam 180 can be acted on via the rib 178, the cam 180 in turn being able to act on the tab 176 and thus the pedestal device 152.
- the rib 178 and the cam 180 are separate from one another.
- the rib 178 can act on the cam 180 only in a certain pivot position and only in a certain pivot direction.
- the cam 180 rests, as it were, on the tab 126. If the rib 178 does not act on the cam 180, then the cam 180 rests “loosely” on the tab 176 without any particular torque exertion and does not exert any force on the stand device 152, which is able to produce the parking position 136.
- the rib 178 comes into contact with the cam 180 from a certain pivoting angle range.
- the rib 178 exerts a force on the cam 180 and rotates it about the axis of rotation 184.
- the cam 180 then acts in turn on the tab 176 and swivels the base device 152 (the bracket 168 with the arms 170a, 170b and the bases 172a, 172b in the corresponding swivel direction 190.
- the feet 172a, 172b are at least partially immersed in the recesses 160a, 154a or 160b, 154b (FIG. 7), but do not protrude beyond the underside 86. There is a non-support position.
- the parking position 162 is also a parking position 162 of the pedestal device 162.
- the pedestals 172a, 172b protrude beyond the underside 86 of the floor head 12 (the dirty fluid tank device 84) in such a way that a support on the base is achieved and the cleaning roller 14 is lifted off .
- the parking position 162 is reached when the holding device 18 has reached its parking position 136. At the same time, this parking position 162 of the stand device 152 is also fixed by the parking position 136 of the holding device 18. In the parking position 136 of the holding device 18, this is, for example, positively connected to the floor head 12.
- the actuation mechanism 174 is dimensioned so that the rib 178 acts on the cam 180 (acts permanently in the park position 136), and the cam 180 again acts accordingly on the tab 176 in order to fix the park position 162.
- a spring device 194 which acts on the base device 152 (see FIGS. 3 and 6), is arranged on the floor head 12.
- the spring device 194 is arranged and designed in such a way that it strives to pivot the pedestal device 152 in the opposite direction to the pivoting direction 190.
- the spring device 194 is designed in particular as a tension spring device which strives to pull the base device 152 away from the upper side 44 of the holder 42.
- the rib 178 no longer acts on the cam 180.
- the spring device 194 can then move the stand device 152 against the Pivot pivot direction 190.
- the feet 172a, 172b are withdrawn with a movement component parallel to the height direction 48 and thus protrude in particular. special no longer beyond the underside 86 of the bottom head 12.
- the cleaning roller 14 is lowered as a result and a cleaning operation of the floor cleaning machine 10 is possible. There is no longer any support via the feet 172a, 172b.
- the walk-behind floor cleaning machine 10 functions as follows:
- the floor cleaning machine 10 In a parking position 162 of the floor cleaning machine 10 (FIGS. 1 to 4), the floor cleaning machine 10 is supported on the base 16 above the floor head 12 in such a way that the cleaning roller 14 is lifted from the base 16. As a result, standing plates on the cleaning roller 14 are prevented, improved drying of the cleaning roller 14 can be achieved and floor damage is avoided.
- the floor cleaning machine is supported on the base 16 via the floor head 12, the support being provided via the support area 106 and the feet 172a, 172b of the foot device 150.
- the holding device 118 is secured in the parking position 136 and thereby by the holding magnet device 140.
- the parking position 136 of the holding device 18 also fixes the parking position 162 as the parking position of the floor cleaning machine 10 and the stand device 152.
- the rib 178 contacts the cam 180 and presses it against the tab 176. The corresponding force secures the parking position 162.
- the holding device 18 is pivoted about the pivot axis 22 in a pivot direction 188 '(FIG. 1).
- the pivoting direction 188 ′ is in the opposite direction to the pivoting direction 188.
- the holding device 18 is pivoted away from the cleaning roller 14. From a certain pivot angle, the rib 178 no longer makes contact with the cam 180. This is made “loose”, so to speak, and it only rests loosely on the tab 176 without any appreciable exertion of force.
- the force of the spring device 194 then causes the stand device 152 to be pulled upwards and thus pulled away from the base 16.
- the feet 172a, 172b rotate or slide away from the base 16 and their corresponding front end, which previously touched the base 16, dips into the exception 154a, 154b.
- the floor head 12 lowers thereby on the pad 16 until the cleaning roller 14 touches the pad.
- the bottom head 12 is then supported on the base 16 via the support region 106 and the cleaning roller 14.
- a stop is provided for the base device 152, which limits a maximum pivot angle of the pivot direction 188 '.
- the feet 172a, 172b no longer protrude beyond the underside 86 of the base head 12 (FIGS. 5 to 7).
- a cleaning operation of the floor cleaning machine 10 is then possible.
- the cleaning roller 14 is driven in a rotational manner via the drive device 50.
- cleaning liquid water with or without, for example, surfactant cleaning agent
- the cleaning roller 14 is moistened directly.
- an operator swivels the holding device 18 in the swivel direction 188 into the parking position 136. From a certain swivel angle range, the rib 178 can then act on the cam 180, which in turn initiates a torque on the tab 176 in the pedestal device 152.
- the pedestal device 152 pivots ver in the pivoting direction 190, the pedestals 172a, 172b extend and are then supported on the pad 16.
- the cleaning roller 14 is lifted off. By pivoting the holding device 18 by an operator into the parking position 136, this lifting takes place automatically.
- the feet 172a, 172b are passed through the dirty fluid tank device 84.
- the bottom head 12 can thus be optimized for a cleaning process.
- the cleaning roller 14 can extend as far as the transverse sides 74, 76.
- the floor head can also be formed with a relatively low height in the height direction 48, in particular in the area of the front end 78, so that an optimized drive-under under furniture and the like is achieved.
- the holding device 18 is not permanently coupled to the stand device 152.
- the rib 178 and the cam 180 are decoupled. This means that the cam 180 is also not moved in this pivoting range.
- a mechanical coupling of the holding device 18 to the stand device 152 is provided. It is also possible that there is no mechanical coupling but a signal-effective coupling.
- a sensor device is provided which determines whether the holding device 18 is brought into the parking position or is in the parking position. In the case of a corresponding sensor signal, the stand device 152 is then brought into the parking position 162 by an electric motor, for example.
- the stand device 152 is accordingly pivoted out of the support position (parking position 162) via the electric motor.
- the dirty fluid tank device 84 can be designed with a large receiving volume with a low height in the height direction 48. Due to the recesses 154a, 154b, the parking position 162 can be reached in a simple manner via the base device 152 even when the dirty fluid tank device 84 is arranged on the floor head 12. For this purpose, for example, the width dimensions of the bottom head 12 do not have to be increased in the width direction 158 and increased beyond the front ends 146, 148 of the cleaning roller 14.
- a self-propelled and self-steering floor cleaning device which has a floor head, at least one cleaning roller which is arranged on the floor head
- the Dirt fluid tank device which is arranged on the floor head, and a stand device, which is arranged on the floor head, wherein in a parking position of the floor cleaning machine the floor head is supported on a base in such a way that the at least one cleaning roller is spaced from the base, the Dirty fluid tank device has at least one continuous recess through which min- At least in the park position a pedestal of the pedestal device is immersed.
- a motor drive for moving the stand device is provided, in particular for a transition between the parking position into a cleaning position and for the transition from a cleaning position to a parking position.
- FIGS. 11 to 18 Another exemplary embodiment of a hand-held floor cleaning machine 202 according to the invention is shown in a partial illustration in FIGS. 11 to 18. Only part of a corresponding holding device for manually guiding the floor cleaning machine 202 is shown. Figures 15 to 18 show a parking position of the floor cleaning machine; FIGS. 11 to 14 show a position of a holding device in relation to a floor head 204 outside the parking position.
- the hand-operated floor cleaning machine 202 differs from the floor cleaning machine 10 essentially in the connection of a holding device 206 to the floor head 204.
- the holding device 206 has a holding rod corresponding to the holding rod 26 (not shown in FIGS. 11 to 18). It has an extension with a longitudinal axis corresponding to the longitudinal axis 28.
- the holding device 206 is pivotably articulated to the floor head 204 via a joint device 208.
- the joint device 208 comprises a first joint 210, via which the holding device 206 is articulated to the floor head 204 so as to be pivotable about a pivot axis 212.
- the pivot axis 212 is perpendicular to the longitudinal axis 28.
- a pivot position of the holding device 206 on the first joint 210 determines the height of the hand-held floor cleaning machine 202 between an underside of the floor head 204 and an upper side of the holding device 206.
- the representations according to FIGS. 11 to 14 on the one hand and according to FIGS. 15 to 18 on the other hand differ in that
- the pivot axis 212 corresponds to the pivot axis 22 in the floor cleaning machine 10.
- a shaft 214 is arranged non-rotatably on the holding device 206, which is correspondingly supported on the first joint 210 and enables pivotability about the pivot axis 212.
- the shaft 214 corresponds to the shaft 130 in the floor cleaning machine 10.
- the joint device 208 comprises a second joint 216.
- the second joint 216 sits on the first joint 210.
- the holding device 206 and, in particular, a holding rod corresponding to the holding rod 26 (with a bow-type handle corresponding to the bow-type handle 30) is about an axis of rotation via the second joint 216 218 rotatable, which is parallel to the longitudinal axis 28.
- the axis of rotation 218 is thereby oriented perpendicular to the pivot axis 212.
- FIGS. 11, 12 The corresponding rotatability of the holding device 206 on the second joint 216 about the axis of rotation 218 is shown in FIGS. 11, 12 by the
- Double arrow indicated by the reference number 220 Double arrow indicated by the reference number 220.
- the rotatability of the holding device 206 about the axis of rotation 218 is an additional possibility of movement of the holding device 206 relative to the floor head 204 and in particular enables the corresponding bow-type handle 30 of the holding device 206 to be rotated relative to the floor head 204. This results in easier cleaning options.
- the rotatability of the holding device 206 about the axis of rotation 218 in each pivot position of the holding device 206 is based on the
- Pivot axis 212 with the exception of a parking position 222 (which corresponds to the parking position 136 in the floor cleaning machine 10), possible.
- the corresponding parking position 222 is shown in FIGS. 15 to 18.
- the holding device 206 based on a basic position with the rotation angle zero, the holding device 206 around the
- Axis of rotation 218 can be rotated by an angle of up to ⁇ a, in particular a being at least 30 °.
- the basic position is a position in which the bow handle 30 is directed parallel to a longitudinal axis 224 of the bottom head 204 from.
- This longitudinal axis 224 in the case of the floor head 204 corresponds to the longitudinal axis 24 in the case of the floor head 12 of the floor cleaning machine 10.
- the bottom head 204 has a holder 226, which corresponds to the holder 42 of the bottom head 12.
- the holder 226 is designed in particular as a holding plate.
- a housing 228 is seated on it on an upper side.
- the housing 228 has an opening 230, this opening 230 being positioned on an upper side of the housing 228. In the area of this opening 230, the joint device 208 is seated on the bottom head 204 and the holding device 206 is immersed with a partial area through the opening 230 into the housing 228.
- a tank device corresponding to the tank device 84 is seated on an underside of the holder 226 facing away from the housing 228.
- a motor corresponding to the motor 54 is also seated on the holder 226.
- a transmission device corresponding to the transmission device 60 for transmitting torque from the motor 54 to the cleaning roller 14 is seen.
- a foot device corresponding to the foot device 152 sits on the holder 226. This has feet corresponding to the feet 172a, 172b.
- the stand device 152 comprises a tab corresponding to the tab 176.
- the motor 54, the transmission device 60, the stand device 152 etc. are arranged in a protected manner in the housing 228.
- the holding device 206 comprises a first part 232 (see, for example, FIG. 14).
- a handle such as the bow handle 30 is arranged on this first part 232. It also comprises a second part 234.
- the shaft 214 sits on the second part 234.
- the second part 234 is articulated to the floor head 204 via the first joint 210.
- the second part 234 can be pivoted about the pivot axis 212 relative to the floor head 204.
- the second part 234 is non-rotatable with respect to the base head 204.
- the second part 234 is connected to the first part 232 via the second joint 216 so as to be rotatable about the axis of rotation 218.
- the second part 234 can be pivoted about the pivot axis 212 with respect to the floor head 204 and rotatable about the axis of rotation 218 with respect to the floor head 204.
- the holding device 206 as a whole to be rotatably articulated (about the axis of rotation 218) on the base head 204.
- the corresponding joint with the pivot axis 212 which in the floor cleaning machine 202 is non-rotatable with respect to the axis of rotation 218 relative to the floor head 204, is then also rotatable.
- a rocker arm 236 (see, for example, FIG. 13) is arranged on the holding device 206 and thereby on the first part 232 in a rotationally fixed manner.
- the rocker arm 236 can be pivoted about the pivot axis 212 with the pivoting of the holding device 206. With respect to the axis of rotation 218, it is non-rotatable with respect to the floor head 204.
- the rocker arm 236 is positioned in the housing 228 so as to be pivotable about the pivot axis 212.
- the rocker arm 236 is positioned beyond the shaft 214; the shaft 214 (for pivoting the holding device 206 on the floor head 204 with the pivot axis 212) is arranged between the rocker arm 236 and the second joint 216.
- a holding magnet 238 is arranged at one end of the rocker arm 236.
- the pivoting movement is initiated by a pivoting movement of the holding device 206.
- the parking position 222 of the floor cleaning machine 202 (FIGS. 15 to 18) can be fixed by the holding magnet device 242.
- the counter element 240 is a (in the park position 222) with the holding magnet 238 cooperating metal plate.
- the counter element 240 is fixed (and in particular not pivotable about the pivot axis 212) in the
- the counter element 240 is arranged oriented at an acute angle 244 to a height axis 46 of the bottom head 204.
- the holding magnet 238 rests on the counter element 240 and the magnetic force secures the park position 222 in a non-positive manner.
- the holding magnet device 242 with the counter element 240 and the holding magnet 238 secures this in the park position 222 in such a way that the Holding device 206 standing opposite the bottom head 204 (non-positively) is fixed.
- the holding device 206 is oriented with respect to its longitudinal axis 28 at an acute angle 248 to the vertical axis 246.
- the acute angle 248 is, for example, in the order of 20 °.
- the holding device 206 is oriented at least approximately parallel to the height axis 246 (and the acute angle 248 is in the vicinity of 0 °).
- the holding magnet device 242 prevents a parking position 222
- the counter element 240 is arranged with respect to the holding magnet 238 so that a stop 252 (FIG. 17) is formed, which limits a maximum pivot angle and which defines the parking position 222 in a direction opposite to the pivot direction 250.
- a stop 252 FIG. 17
- the holding magnet 238 mechanically strikes the counter element 240, a maximum pivot angle for the first joint 210 with the pivot axis 212 is reached and further pivoting in the opposite direction 254 is no longer possible due to the stop 252 (FIG. 17).
- the holding magnet device 242 with the counter element 240 and the holding magnet 238 is arranged in the housing 228.
- the total height of the floor head 204 in the direction of the height axis 246 can be kept small and it is easy to drive under furniture and the like.
- the design of the holding magnet device 242 is independent of whether the holding device 206 or on the holding device 206 is rotatable about the axis of rotation 218.
- a shield 256 is arranged on the base head 204 or this shield 256 is assigned to the base head 204.
- This shield 256 is movable with the holding device 206 with respect to the pivoting about the pivot axis 212. With regard to the rotatability about the axis of rotation 218, the shield 256 is non-rotatable with respect to the base head 204 or to the first part 232 of the holding device 206.
- a rib 258 is arranged on the first part 232 of the holding device 206. This rib 258 (see, for example, FIGS. 14 and 18) corresponds in terms of its mode of operation to the rib 178 in the floor cleaning machine 10.
- a cam 260 is rotatably arranged on the first part 232 of the holding device 206. In terms of its function, this cam 260 corresponds to the cam 180 in the floor cleaning machine 10. As with the floor cleaning machine 10 acts from a certain
- Swivel angle range (in relation to the swivel axis 212) the rib 258 on the cam 260 (cf. FIG. 18), and moves this onto a tab 176 (the same reference symbol is used as in the floor cleaning machine 10) of the base device 152.
- the feet 172a, 172b are thereby brought into the parking position 162 (FIGS. 15 to 18).
- the mode of operation is the same as that described with reference to the floor cleaning machine 10.
- a convex area 262 is arranged on the cam 260. This convex area 262 is rotatable with the cam 260.
- the convex area 262 forms a path guide 264 for a curved sub-area 266 of the shield 256.
- the shield 256 is arranged on the first part 232 in such a way that it can be pivoted with it when pivoted about the pivot axis 212. It is arranged in a region of the holding device 206 which faces away from the bottom head 204 (see, for example, FIG. 14).
- first form-locking element 268 On the holding device 206, on the second part 234 (which is rotatable with respect to the first part 232 about the axis of rotation 218) sits a first form-locking element 268.
- the first form-locking element 268 is designed as a recess.
- a second form-fit element 270 which is provided for cooperation with the first form-fit element 268, is seated on the shield 256 at a distance from the curved sub-region 266.
- the second form-locking element 270 is a pin which is provided for insertion (in the parking position 222) into the first form-locking element 268.
- a spacer 272 is arranged on the holding device 206 and thereby on the second part 234.
- the spacer 272 is used to hold the second form-fit element 270 outside the park position 222 at a distance from the first form-fit element 268, so that outside the park position 222 no form-fit connection is made between the shield 256 and the holding device 206 (via the form-fit elements 268, 270) .
- spacer 272 is a pin 274 that is spring supported by a spring 276.
- the spring 276 is arranged and designed in such a way that it strives to press the pin 274 in the direction of the shield 256 and thereby prevent the second form-fitting element 270 from dipping into the first form-fitting element 268, unless a corresponding counterforce is present. As will be explained below, this counterforce is present in the parking position 222.
- the sign 256 with the curved partial area 266 is partially applied to the convex area 262. This also forms a spacer.
- the second form-locking element 270 is not immersed in the first form-locking element 268.
- the holding device 206 can be rotated about the axis of rotation 218, i.e. the first part 232 can be rotated relative to the second part 234. This rotation is not blocked.
- the shield 256 When the holding device 206 is brought into the parking position 222 (see, for example, FIG. 18), then the shield 256 is also moved with the corresponding pivoting movement.
- the curved partial area 266 is guided on the path guide 264 until it comes into contact with the convex area 262 (ie on the cam 260).
- a corresponding counterforce to the force of the spring 276 is exerted via a stop 278, which the shield 256 presses against the pin 274 and thereby reduces the distance ver.
- the pin 274 is, as it were, pushed back into its guide. This enables the second form-fit element 270 to penetrate into the first form-fit element 268 and a form-fit connection is achieved.
- This form-fit connection blocks the rotatability of the holding device 206 about the axis of rotation 218. This is indicated in FIG. 18 by the double arrow 280 with a dashed line. The rotatability about the axis of rotation 218 is blocked.
- the shield 256 is designed in its geometric configuration with the curved sub-area 266 in relation to the spacer 272 so that when it is transferred to the parking position 222, its distance from the holding device 206 is reduced in order to establish the form-fit connection between the first form-fit element 268 and the to reach second form-fit element 270 automatically (with correct alignment of the holding device 206 with respect to the axis of rotation 218).
- the cam 260 with its convex area 262 is designed accordingly in order to achieve this fixing position in the parking position 222 in cooperation with the stop 278 on the housing 228.
- the floor cleaning machine 202 functions with respect to the pivotability and rotatability of the holding device 206 as follows:
- the holding device 206 is pivoted in the pivoting direction 250.
- the corresponding swivel angle is reached, which is determined by the stop 252 on the holding magnet direction 242 is defined, the corresponding parking position 222 is automatically held by the holding magnet device 242.
- the sign 256 moves with it and a form-fit connection is achieved in the parking position 222 in order to block the rotation about the axis of rotation 218 on the holding device 206.
- the parking position 162 of the feet 172a, 172b is reached during the transition to the parking position 222.
- the rib 258 acts on the cam 260, which in turn acts on the tab 176 of the stand device 152.
- the park position 162 of the stand device 152 is fixed.
- the kinematics with respect to the rib 258 and the cam 260 is designed in such a way that a corresponding positive fixing position is reached in the parking position 222 via the shield 256, which locks the rotatability about the axis of rotation 218.
- the floor cleaning machine 202 functions like the floor cleaning machine 10.
- Tank device (with the dirty fluid tank device example)
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Electric Suction Cleaners (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/EP2019/069888 WO2021013343A1 (en) | 2019-07-24 | 2019-07-24 | Floor cleaning machine |
Publications (2)
Publication Number | Publication Date |
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EP4003118A1 true EP4003118A1 (en) | 2022-06-01 |
EP4003118B1 EP4003118B1 (en) | 2023-07-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP19744685.9A Active EP4003118B1 (en) | 2019-07-24 | 2019-07-24 | Floor cleaning machine |
Country Status (3)
Country | Link |
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EP (1) | EP4003118B1 (en) |
CN (1) | CN114144104B (en) |
WO (1) | WO2021013343A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102021134612A1 (en) | 2021-12-23 | 2023-06-29 | Alfred Kärcher SE & Co. KG | Floor cleaning machine with at least one supporting element |
DE102021134552A1 (en) | 2021-12-23 | 2023-06-29 | Alfred Kärcher SE & Co. KG | Articulated floor cleaning machine and method of operating a floor cleaning machine |
DE102021134577A1 (en) | 2021-12-23 | 2023-06-29 | Alfred Kärcher SE & Co. KG | Floor cleaning machine with kick tab and method for removing a dirt fluid tank assembly from a cleaning head |
DE102021134463A1 (en) | 2021-12-23 | 2023-07-13 | Alfred Kärcher SE & Co. KG | Surface cleaning machine with curved scraper element |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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FR958847A (en) * | 1943-05-05 | 1950-03-21 | ||
US3579699A (en) * | 1969-02-20 | 1971-05-25 | Hoover Co | Suction cleaner nozzle adjustment |
CA2181876C (en) * | 1996-07-23 | 2002-12-31 | The Bank Of Nova Scotia | Lift off mechanism for a vacuum cleaner |
GB2452548B (en) * | 2007-09-08 | 2011-11-30 | Dyson Technology Ltd | A surface treating appliance |
US20110219555A1 (en) | 2010-03-10 | 2011-09-15 | Tennant Company | Cleaning head and mobile floor cleaner |
RU2671396C1 (en) | 2013-12-12 | 2018-10-30 | Альфред Кэрхер Гмбх Унд Ко. Кг | Floor-cleaning machine |
DE102014114776A1 (en) | 2014-10-13 | 2016-04-14 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning machine |
DE102014114809A1 (en) | 2014-10-13 | 2016-04-14 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning machine with moistening device |
DE102014114813A1 (en) | 2014-10-13 | 2016-04-14 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning machine and method for operating a surface cleaning machine |
CN106793910B (en) | 2014-10-13 | 2019-09-13 | 阿尔弗雷德·卡赫欧洲两合公司 | Surface cleaner |
JP2018529501A (en) | 2015-10-12 | 2018-10-11 | アルフレッド ケルヒャー ゲーエムベーハー ウント コンパニー カーゲー | Surface cleaning machine |
CN109068924B (en) | 2016-03-09 | 2022-01-28 | 阿尔弗雷德·卡赫欧洲两合公司 | Surface cleaning machine |
WO2017152970A1 (en) | 2016-03-09 | 2017-09-14 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning machine |
DE102016111808A1 (en) * | 2016-06-28 | 2017-12-28 | Vorwerk & Co. Interholding Gmbh | Wet cleaning device with a rotatable cleaning roller |
PL3592193T3 (en) | 2017-03-08 | 2021-09-06 | Alfred Kärcher SE & Co. KG | Self-propelled and self-steering floor cleaning device |
EP3664680B1 (en) | 2017-08-11 | 2021-07-28 | Alfred Kärcher SE & Co. KG | Surface cleaning machine comprising a lid device for a tank device for dirty fluid |
DE102017120722A1 (en) * | 2017-09-08 | 2019-03-14 | Alfred Kärcher SE & Co. KG | Surface cleaning machine with counter-rotating cleaning roller units and method for operating a surface cleaning machine |
-
2019
- 2019-07-24 EP EP19744685.9A patent/EP4003118B1/en active Active
- 2019-07-24 CN CN201980098696.7A patent/CN114144104B/en active Active
- 2019-07-24 WO PCT/EP2019/069888 patent/WO2021013343A1/en active Application Filing
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CN114144104B (en) | 2023-04-28 |
CN114144104A (en) | 2022-03-04 |
WO2021013343A1 (en) | 2021-01-28 |
EP4003118B1 (en) | 2023-07-19 |
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