EP3500147A1 - Wet cleaning device having a cleaning roller - Google Patents
Wet cleaning device having a cleaning rollerInfo
- Publication number
- EP3500147A1 EP3500147A1 EP17745727.2A EP17745727A EP3500147A1 EP 3500147 A1 EP3500147 A1 EP 3500147A1 EP 17745727 A EP17745727 A EP 17745727A EP 3500147 A1 EP3500147 A1 EP 3500147A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- cover
- cleaning device
- wet cleaning
- gear
- 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 156
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 32
- 230000008929 regeneration Effects 0.000 claims description 24
- 238000011069 regeneration method Methods 0.000 claims description 24
- 230000009467 reduction Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 description 9
- 239000000945 filler Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0405—Driving means for the brushes or agitators
- A47L9/0411—Driving means for the brushes or agitators driven by electric motor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0427—Gearing or transmission means therefor
- A47L9/0433—Toothed gearings
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
- A47L9/0466—Rotating tools
- A47L9/0477—Rolls
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
- A47L9/2847—Surface treating elements
Definitions
- the invention relates to a wet cleaning device, in particular a wet mop, with a rotatably mounted around a roll axis cleaning roller and a cleaning roller in the circumferential direction at least partially surrounding roller cover, which has a displaceable cover element for Wähl wise closing and / or opening an opening portion of the roller cover.
- the invention relates to a method for operating a wet cleaning device, wherein a roller rotatable about a roll axis cleaning roller for a regeneration operation of the cleaning roller is surrounded with a roller cover.
- DE 102 29 611 B3 discloses, for example, a wet cleaning appliance with a wiping body which can be driven in rotation about a rotation axis, in which a cleaning liquid is taken from a storage tank and sprayed onto the surface of the wiping body by means of spray nozzles arranged in the direction of the axis of rotation of the wiping body.
- the wiper body moistened in this way is guided over a surface to be cleaned during a wiping operation, the wiper body receiving dirt from the surface to be cleaned.
- the wiper body is lifted from the surface to be cleaned, surrounded by a housing and sprayed with fresh cleaning liquid.
- the wiper body rotates at an increased speed relative to the wiping operation, so that cleaning fluid and dirt are expelled from the wiping body, meet the inside of the housing and can be transferred to a receiving tank.
- different speeds can be set.
- the cover element and the roller axis are connected to one another via a roller axis with a roller drive transmission in operative connection, such that the transmission for changing a rotational speed of the cleaning roller by a displacement of the cover member of a first Gear stage to a second gear stage, or vice versa, is switchable.
- the cover element is now connected via a gear to the roller axis of the cleaning roller in such a way that a displacement of the cover element leads to a gear change which rotates the cleaning roller at a closed roller cover with a different, preferably higher, speed than when it is open Walzenab- cover.
- the cover member is displaced in a transition of the wet cleaning device of a wiping operation in a regeneration operation in the opening area of the roller cover, resulting in an actuation of the transmission such that the cleaning roller now rotates with closed roller cover with another, preferably higher than with roller cover open.
- the gearbox transmits the movement of the roller drive to the roller axle.
- the transmission works either via the first gear stage or via the second gear stage.
- the two gear stages differ by a ratio or reduction ratio, which causes different rotational speeds of the cleaning roller.
- a first gear stage may include a direct connection between a drive element of the roller drive and a corresponding output element of the roller shaft, while a second gear stage does not connect the drive element and the output element directly, but via additional gear elements. These gear elements cause, for example, a reduction, so that the rotational speed of the roll axis is reduced accordingly.
- the wet cleaning device according to the invention may be a handheld wet cleaning appliance or a self-cleaning wet cleaning appliance, for example a cleaning robot.
- the wet cleaning device may also be a combined wet cleaning suction device and need not be limited solely to a wet cleaning task.
- the wet cleaning device can moreover be a cleaning device for cleaning floor surfaces, for example floors, or else a cleaning device for cleaning overground surfaces, such as, for example, shelves, skirting boards, window sills, window panes and the like.
- the roller drive for rotating the roller axis of the cleaning roller can be, for example, an electric motor whose drive movement is transmitted by means of a toothed belt from a motor shaft to a drive element which is then toothed either directly with an output element of the roller axis (in the first gear stage). or geared via other gear elements is (in the second gear stage).
- transmission elements all such elements can be used which can transmit a rotational movement to the roll axis.
- gears, racks, friction wheels, worm gears or the like are suitable, wherein the use of gears is preferably proposed.
- the transmission in order to reduce the rotational speed, can be shifted from the first gear stage to the second gear stage by shifting the cover element out of the opening area, and the second gear stage has a reduction compared to the first gear stage.
- the roller axle is driven by the roller drive via the second gear stage.
- additional gear elements which are connected between the drive element of the roller drive and the output element of the roller axle and reduce the resulting rotational speed of the roller axle.
- the cover member is displaced into the opening portion of the roller cover, which in turn causes the transmission to shift to the first gear stage in which the input member and the output member are directly connected to each other.
- the roller shaft thus rotates at an increased speed during the regeneration operation, as a result of which the centrifuging of liquid or dirt from the cleaning roller is prevented. is supported.
- the reduction can be effected for example by an additional gear or two additional gears, which or which have a larger number of teeth, as the drive element also designed as a gear.
- the roller cover is mounted pivotably about a cover axis on a device housing of the wet cleaning device and the device housing has a guide for the cover element, by means of which the roller cover can be pivoted on a displacement of the cover element about the cover axis.
- the displacement of the cover element is effected by means of a cover drive, preferably an electric motor, wherein between the cover drive and the cover member, a cover gear is arranged, which transforms the movement of the cover drive in a displacement of the cover member relative to the other portions of the roller cover.
- a cover drive preferably an electric motor
- a cover gear is arranged, which transforms the movement of the cover drive in a displacement of the cover member relative to the other portions of the roller cover.
- the proposed guide for the cover member may be, for example, a support within the device housing, which after the manner of a rail or ramp is formed and on which the cover member can slide along to get from the closed position to the open position, or vice versa.
- the device housing on two guides, which are each associated with an axial end portion of the cover member.
- the roller cover Due to the displacement of the cover element from an open position into a closed position, the roller cover is displaced away from the guides and thus also from a surface on which the wet cleaning device is located. This results in a clearance between the roller cover and the surface, in which the cover element is inserted for complete encapsulation of the cleaning roller.
- roller shaft is mounted stationary on the roller cover.
- the cleaning roller can thus be lifted simultaneously for the regeneration operation of the surface to be cleaned or cleaned and housed in the circumferential direction of the roller cover.
- the roller cover is vibration-damped mounted on the device housing of the wet cleaning device, preferably on the cover axis. This prevents any vibrations of the cleaning roller, which is mounted on the roller cover, transferred to the device housing of the wet cleaning device. conditions and prevent a desired constant Antikkraf t of the cleaning roller on a surface to be cleaned.
- the transmission is arranged relative to the roller cover displaceable on the roller cover.
- the gear can thus move relative to the roller cover, in particular during a displacement movement of the roller cover relative to the device housing of the wet cleaning device.
- the switching of the transmission from the first gear stage to the second gear stage, or vice versa can be achieved.
- the drive element of the roller drive can be displaced relative to the roller axis arranged fixedly on the roller cover.
- the drive element is either directly connected to the output element of the roll axis in the first gear stage, or in the second gear stage via additional transmission elements, is connected to the output element.
- the additional gear elements are pivoted in an operation of the transmission in the first gear stage to the side, so that they are not in engagement with the output element of the roll axis.
- a device housing of the wet cleaning device has a shift gate for switching the transmission.
- the shift gate is fixedly arranged on the device housing and serves as a guide of the transmission during the displacement relative to the roller cover.
- the gear engages, for example via a pin in the shift gate and is shifted according to the current displacement of the cover element or the entire roller cover.
- the transmission is switched at a displacement of the cover member from the open position to the closed position to the first gear stage and at a displacement of the cover member of a Closed position switched to an open position to the second gear stage.
- a method for operating a wet cleaning device in particular such a previously described wet cleaning device, proposed in which a rotatable about a roll axis cleaning roller for a regeneration operation of the cleaning roller is surrounded with a roll cover, wherein a Displacement of a cover element closing and / or opening an opening region of the roller cover effects a switching over of a gear unit connecting the roller axle with a roller drive, such that the transmission transmits a cover element that closes and / or opens an opening region of the roller cover causes a transmission connecting a roller drive, such that the transmission for changing a rotational speed of the cleaning roller by a displacement of the cover member of a ers the gear stage is switched to a second gear stage, or vice versa.
- FIG. 1 shows an inventive wet cleaning device, a portion of the wet cleaning device with a cleaning roller and a roller cover during a
- Regeneration operation a detailed view of the cleaning roller and the roller cover during a regeneration operation
- FIG. 6 shows the detailed view according to FIG. 5 at a point in time during a displacement of a cover element of the roller cover
- FIG. FIG. 2 shows the partial region depicted in FIG. 2 from a perspective from the rear left
- the partial region depicted in FIG. 4 from a perspective from the rear left
- FIG. 9 shows the partial region depicted in FIG. 2 in a view from behind (sectional view)
- FIG. 10 shows the partial region depicted in FIG. 4 in a view from the rear (sectional view).
- a wet cleaning device 1 which device here as a wet wiper device with a base 23 and a front attachment 24 is formed.
- a handle 26 is arranged with a handle 27, by means of which a user can perform the wet cleaning device 1 over a surface to be cleaned.
- the handle 26 is advantageously made telescopic, so that a user can adjust the height of the wet cleaning device 1 to its body size.
- the user shifts the wet cleaning apparatus 1 in a back and forth movement over the surface to be cleaned, while he pushes the wet cleaning device 1 alternately away from him and to himself.
- the attachment 24 has a device housing 12, in which a tank (not shown) is arranged for cleaning fluid. Cleaning liquid can be introduced into the tank via a filler neck 25.
- a cleaning roller 3 is further arranged, which is rotatable about a roll axis 2.
- the roll axis 2 is in Substantially perpendicular to a normal direction of movement of the wet cleaning device 1.
- the cleaning liquid can be discharged from the tank onto the surface of the cleaning roller 3 in order to moisten it.
- the cleaning roller 3 rotates about the roller axis 2, so that the peripheral surface of the cleaning roller 3 rolls continuously on the surface to be cleaned.
- the cleaning roller 3 is usually wrapped with a cleaning pad, optionally with the interposition of an additional liquid-storing sponge body.
- the cleaning pad is here, for example, a textile cleaning cloth.
- FIG. 2 shows a portion of the wet cleaning device 1 in a perspective sectional view.
- a roller cover 4 is mounted pivotably about a cover axis 11 on the device housing 12.
- the roller cover 4 has an opening region 6 which can be closed or opened by means of a cover element 5 of the roller cover 4.
- the cover member 5 is here formed semicircular and completes the roller cover 4 in displaced in the opening portion 6 state in the circumferential direction completely.
- the cleaning roller 3 is mounted rotatably about the roller axis 2, wherein the roller shaft 2 at the same time is the center of rotation for the cover member 5 of the roller cover 4.
- a cover drive 15 is further arranged, which causes a cover gear 16, a rotation of the cover member 5 about the roll axis 2.
- the cover drive 15 is here an electric motor.
- the cover gear 16 is formed as a gear transmission and engages in a likewise formed as a gear outer circumferential surface of the cover element 5 a.
- the cover drive 15 is non-rotatably arranged on the roller cover 4, so that the cover drive 15 is pivoted with a pivoting of the roller cover 4 about the cover axis 11 with.
- a roll drive 7 which drives the roll axis 2 and thus ensures a rotation of the cleaning roll 3.
- the roller drive 7 is movable relative to the roller cover 4.
- the roller drive 7 is here also an electric motor and via a gear 8 (in Figure 2 arranged on the non-visible rear side) connected to the roller shaft 2.
- the wet cleaning apparatus 1 is in a wiping operation, in which the cleaning roller 3 protrudes from the opening area 6 of the roller cover 4 for cleaning a surface and is in contact with the surface to be cleaned.
- the cover element 5 is displaced into the device housing 12 during the wiping operation, so that the opening area 6 is completely opened.
- Figure 3 shows a parking position of the wet cleaning device 1, in which the cleaning roller 3 is lifted from the surface to be cleaned, ie in relation to the wiper operation shown in Figure 2 is further hineinverlagert into the device housing 12 of the wet cleaning device 1.
- the opening area 6 of the roller cover 4 is still open, but the cover element 5 (as will be explained in more detail later with reference to FIGS.
- FIG. 9 and 10 is at least partially displaced into the opening area 6.
- the cleaning roller 3 lifted off the surface can dry.
- Figure 4 shows the wet cleaning device 1 during a regeneration operation.
- the cleaning roller 3 is completely umhaust in the circumferential direction of the roller cover 4 and the cover member 5 is completely hineinverlagert into the opening portion 6.
- the cleaning roller 3 rotates with a relative to a wiping operation increased rotational speed, so that dirt and liquid can be thrown off the cleaning roller 3 optimally.
- the displacement of the cover member 5 from the open position of the wiping operation ( Figure 2) in the closed position of the regeneration operation ( Figure 4) is based on an operation of the cover drive 15, wherein the cover member 5 is pivoted on the cover gear 16 in the opening portion 6 and thus the roller cover 4 closes.
- the cover element 5 abuts against a guide 13 formed on the device housing 12 (shown in FIGS. 5 and 6), which is arranged at the end of the roller cover 4 relative to an axial direction. Due to the continued displacement of the cover element 5 in the closing direction, the roller cover 4 is displaced away from the guide 13 and thus also from the surface to be cleaned, the roller cover 4 pivots about the cover axle 11 disposed on the device housing 12.
- the guide 13 may be formed as here, for example, in the manner of a rail or ramp.
- Figure 7 shows a perspective view of a portion of the wet cleaning device 1, which in the illustration of Figure 2 (wiping operation) corresponds to a view of the wet cleaning device 1 from the left rear.
- the gear 8 which connects the roller drive 7 to the roller axle 2, is movably mounted on the roller cover 4 via the roller drive 7.
- the transmission 8 is umhaust of a gear box 28 and engages in a shift gate 14, which is formed on the device housing 12. In a displacement of the roller cover 4 about the cover axis 11, the transmission 8 is thus switched by the shift gate 14, namely from the first gear stage 9 in the second gear stage 10, or vice versa.
- FIGS 9 and 10 illustrate the operation during the switching of the transmission 8.
- the transmission 8 has a drive gear 18 and two further gears 19, 20.
- the drive gear 18 is connected by means of a toothed belt 17 with the drive axle 22 of the roller drive 7.
- the drive gear 18 is rotationally fixed with respect to a radial direction of the drive shaft 22, so that the drive gear 18 maintains the relative orientation to the roller drive 7 with a displacement of the roller drive 7.
- the combination of roller drive 7 and drive gearwheel 18 simultaneously displaces due to the guidance in the shift linkage 14.
- the drive gearwheel 18 and the further gearwheels 19, 20 of the transmission 8 are displaced to switch between the gear stages 9, 10 can.
- the transmission 8 has here two gear stages 9, 10, namely the first gear stage 9, in which the drive gear 18 is connected directly to a roller gear 21 of the roller shaft 2, and the second gear stage 10, in which the drive gear 18 via the two further gears 19, 20 is connected to the roller gear 21.
- the transmission 8 is operated in the first gear stage 9, which corresponds to a regeneration operation of the wet cleaning device 1, the drive gear 18 engages directly into the roller gear 21.
- the transmission 8 is operated during a wiping operation of the wet cleaning device 1 in the second gear stage 10, in which the drive gear 18 is connected via the two additional gears 19, 20 with the roller gear 21.
- the two gears 19, 20 have opposite the drive gear 18 a larger number of teeth, whereby a reduction takes place by switching to the second gear stage 10.
- the roller shaft 2 rotates during operation of the transmission 8 in the second gear stage 10 and thus during the wiping operation of the wet cleaning device 1 with a relative to the regeneration operation of the wet cleaning device 1 reduced rotational speed.
- the cleaning roller 3 rotates accordingly faster.
- the transmission 8 can of course also have an even greater number of gear stages 9, 10, which can be switched by further displacement positions of the cover element 5.
- the invention works here starting from the wiping operation shown in Figure 2 so that the cover member 5 is moved to initiate the regeneration operation by means of the cover drive 15 in the opening portion 6 of the roller cover 4.
- the operation of the cover drive 15 can be triggered for example by means of a switch by the user of the wet cleaning device 1, or alternatively automatically by the wet cleaning device 1, for example, when a predefined degree of contamination of the cleaning roller 3 is detected.
- the displacement of the cover member 5 causes a lifting of the roller cover 4 of the surface to be cleaned, since the cover member 5 acts against the device housing 12 formed on the guides 13. In this case, the roller cover 4 pivots about the cover axis 11.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016114236.0A DE102016114236A1 (en) | 2016-08-01 | 2016-08-01 | Wet cleaning device with a cleaning roller |
PCT/EP2017/069305 WO2018024669A1 (en) | 2016-08-01 | 2017-07-31 | Wet cleaning device having a cleaning roller |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3500147A1 true EP3500147A1 (en) | 2019-06-26 |
EP3500147B1 EP3500147B1 (en) | 2020-04-22 |
Family
ID=59485355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17745727.2A Active EP3500147B1 (en) | 2016-08-01 | 2017-07-31 | Wet cleaning device with a cleaning roller |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3500147B1 (en) |
DE (1) | DE102016114236A1 (en) |
ES (1) | ES2797984T3 (en) |
TW (1) | TW201808202A (en) |
WO (1) | WO2018024669A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190125912A (en) * | 2018-04-30 | 2019-11-07 | 엘지전자 주식회사 | Nozzle for cleaner |
US11399678B2 (en) * | 2019-03-11 | 2022-08-02 | Sharkninja Operating Llc | Dust cup shutter for robotic cleaner |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10229611B3 (en) | 2002-06-24 | 2004-01-29 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning device |
JP5960823B2 (en) * | 2011-08-23 | 2016-08-02 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | Cleaning device for cleaning the surface |
US10045672B2 (en) * | 2012-12-21 | 2018-08-14 | Aktiebolaget Electrolux | Cleaning arrangement for a rotatable member of a vacuum cleaner, cleaner nozzle, vacuum cleaner and cleaning unit |
-
2016
- 2016-08-01 DE DE102016114236.0A patent/DE102016114236A1/en not_active Withdrawn
-
2017
- 2017-07-26 TW TW106125133A patent/TW201808202A/en unknown
- 2017-07-31 WO PCT/EP2017/069305 patent/WO2018024669A1/en unknown
- 2017-07-31 EP EP17745727.2A patent/EP3500147B1/en active Active
- 2017-07-31 ES ES17745727T patent/ES2797984T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3500147B1 (en) | 2020-04-22 |
DE102016114236A1 (en) | 2018-02-01 |
WO2018024669A1 (en) | 2018-02-08 |
ES2797984T3 (en) | 2020-12-04 |
TW201808202A (en) | 2018-03-16 |
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