EP3225146A1 - Procede de nettoyage de sols et machine de nettoyage de sol - Google Patents

Procede de nettoyage de sols et machine de nettoyage de sol Download PDF

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Publication number
EP3225146A1
EP3225146A1 EP16000718.3A EP16000718A EP3225146A1 EP 3225146 A1 EP3225146 A1 EP 3225146A1 EP 16000718 A EP16000718 A EP 16000718A EP 3225146 A1 EP3225146 A1 EP 3225146A1
Authority
EP
European Patent Office
Prior art keywords
cleaning machine
floor cleaning
floor
squeegee
wiper lip
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
Application number
EP16000718.3A
Other languages
German (de)
English (en)
Other versions
EP3225146B1 (fr
Inventor
Jürgen Krenn
Mark Meng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wetrok AG
Original Assignee
Wetrok AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wetrok AG filed Critical Wetrok AG
Priority to PL16000718T priority Critical patent/PL3225146T3/pl
Priority to EP16000718.3A priority patent/EP3225146B1/fr
Publication of EP3225146A1 publication Critical patent/EP3225146A1/fr
Application granted granted Critical
Publication of EP3225146B1 publication Critical patent/EP3225146B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/201—Floor surfacing or polishing machines combined with vacuum cleaning devices with supply of cleaning agents
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/292—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools
    • A47L11/293—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools the tools being disc brushes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • A47L11/305—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools the tools being disc brushes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees

Definitions

  • the invention relates to methods for cleaning floors according to the preamble of patent claim 1 and to a floor cleaning machine according to the preamble of patent claim 5.
  • Today's scrubber-driers are used for wet cleaning of hard floors.
  • the machines have one or more scouring brushes or cleaning elements made of a foam-like material (cleaning pads), which scrub with the addition of water, or a water / detergent mixture adhering dirt on the ground.
  • cleaning pads foam-like material
  • the soiled by the brushes and dissolved by water or a mixture of water / detergent contaminants are sucked up with a arranged in the direction of movement behind the brush squeegee.
  • Scrubber dryness is a cleaning method to remove soil soiling. However, loose debris such as dust, paper, wood particles, or hair, etc. may get under the brushes or cleaning pads, thereby further contaminating the brushes or cleaning pads and adjacent machine parts (such as housings).
  • the floor is usually dust-binding wiped with a disposable cloth (damp cloth, Masslinn) or dry mop, swept with a broom, vacuumed with a vacuum cleaner or picked up the loose dirt with a sweeper before scrubbing.
  • a disposable cloth dip cloth, Masslinn
  • dry mop swept with a broom
  • vacuumed with a vacuum cleaner or picked up the loose dirt with a sweeper before scrubbing.
  • a floor cleaning machine comprising a first and a second cleaning zone is known from the document US 7,389,156 [Ziegler et al. ] known.
  • the second cleaning zone is disposed behind the first cleaning zone, as viewed in a forward direction of travel, and includes a module for spraying a cleaning liquid onto a floor to be cleaned, a scrubbing module, and a squeegee for absorbing the dirty cleaning liquid.
  • This known floor cleaning machine further comprises a tank for the cleaning liquid, a dirt collecting tank and a waste water tank.
  • a disadvantage of this known floor cleaning machine is that easily stuck to the ground particles, dust or hair are not absorbed by in the first cleaning zone or large amounts of local loose dirt can not be absorbed directly by the first cleaning zone and thus enter the second cleaning zone and the In addition, dirty brushes or cleaning pads.
  • the invention aims to remedy this situation.
  • the invention has for its object to provide a method for cleaning floors and a floor cleaning machine, which prevents contamination of the cleaning device, in particular a scrubbing device by large amounts of local loose dirt.
  • the invention achieves the stated object with a method for cleaning floors, which has the features of claim 1, as well as with a floor cleaning machine, which has the features of claim 5.
  • the wiping of a floor is carried out by means of two wiper lips arranged at a distance from one another on the floor cleaning machine.
  • These embodiments are particularly suitable for absorbing coarse soils, e.g. Metal shavings, wood scraps, coarse paper scraps, broken glass or organic kitchen scraps.
  • the two wiper lips are disposed on a squeegee and adjacent to a suction channel disposed in the suction channel adjacent a rear and a front wiper lip.
  • the scraper device and the rear scraper lip of the squeegee define a virtual plane, the front scraper lip being spaced from the virtual plane by a height h in a vertical direction, or the virtual plane in a transversal direction (B) perpendicular to the advancing direction (A) ) considered only partially touched.
  • the front squeegee additionally comprises a front wiper lip, wherein the scrubber, the rear squeegee and the rear wiper lip of the front squeegee define a virtual plane during operation of the floor cleaning machine and the front wiper lip in a vertical direction from the virtual plane Height h is spaced or the virtual plane in a direction of forward movement (A) vertical Transverse direction considered only partially touched.
  • A forward movement
  • the height h is at least 1 mm, preferably at least 0.5 mm.
  • the height h is at most 12 mm, preferably at most 10 mm.
  • the typical value for height h is 1 mm.
  • the front wiper lip in the transverse direction B comprises a plurality of contiguous or spaced recesses.
  • Large or close depressions are suitable for absorbing coarse soils, e.g. Metal chips, wood residues from production environments, coarse paper scraps, broken glass, organic residues from kitchen areas.
  • Wells, which form smaller openings, allow a greater vacuum in the suction channel of the front suction bar. This is particularly suitable for high cleaning requirements, e.g. in hospitals.
  • the front squeegee is connected by means of a fourth pipe or hose via a branch pipe with the second pipe or hose and via this with the vacuum pump. This provides the advantage that only one vacuum pump is needed to operate the machine.
  • the scrubbing device comprises a housing, wherein the rear and front squeegee are integrated into the housing or releasably secured to the housing.
  • the rear squeegee is secured to the floor cleaning machine, preferably on the housing, by means of an elastic connection device so as to allow movement of the rear squeegee in the transverse direction B relative to the scrubber device against a resistance provided by the resilient connection device.
  • the scrubbing device comprises at least one rotatable brush or a cleaning element made of a foam-like material.
  • the suction air volume flow in the suction channel of the front squeegee is at least 1 l / s, preferably at least 3 l / s.
  • the suction air volume flow in the suction channel of the front squeegee is at most 50 l / s, preferably at most 20 l / s.
  • Fig. 1 - 4th and 6 is an example and not limiting an embodiment of the inventive floor cleaning machine 1 shown, which is designed as a scrubber and includes as a main cleaning device 6, a scrubbing device 10 and additionally a pre-cleaning device 5.
  • the floor cleaning machine 1 is movable in a forward movement direction A and essentially comprises a scrubbing device 10, which can be brought to rest on a floor to be cleaned 7, a first tank 11 for a cleaning liquid, to which a first pipe or hose 16 for discharging the cleaning liquid is connected in the region of the scrubbing device 10, a suction device 12 and a pre-cleaning device 5, which is arranged in front of the scrubbing device 10 as viewed in the forward movement direction A.
  • the suction device 12 is used for sucking off dirty water and comprises a second tank 13 for the dirty water and arranged downstream of a rear squeegee 14, which is arranged in the forward movement direction A of the floor cleaning machine 1 behind the scrubbing device 10, and a vacuum pump 15 (FIG. Fig. 6 ), which by means of a second pipe or Hose line 17 is connected to the rear squeegee 14 and by means of a third pipe or hose connection 18 with the second tank 13.
  • the pre-cleaning device 5 comprises a front suction strip 20 (FIG. 3 and 4 ) with a suction channel 29, which is bounded by a front wiper lip 27 and a rear wiper lip 28, the rear wiper lip 28 is viewed in the forward direction of movement A behind the suction channel 29 and at the same time with the scrubbing device 10 and the rear squeegee 14 on a cleaning soil 7 can be brought to the plant.
  • the front squeegee 20 is by means of a fourth pipe or hose 23 (FIG. Fig. 2 ) via a branch pipe 25 with the second pipe or hose 17 and connected via this with the vacuum pump 15.
  • the scrubber device 10, the rear squeegee 14 and the rear wiper lip 28 of the front squeegee 20 define during operation of the floor cleaning machine 1 a resting on the floor 7 virtual plane 21 (FIG. Fig. 1 ), wherein the front wiper lip 27 is, by way of example and not limitation, spaced apart from the virtual plane 21 in a vertical direction by a height h, ie it does not touch the bottom 7 (FIG. 3 and 4 ).
  • FIG. 5a - 5f For example, different embodiments of the front wiper lip 27 are shown.
  • Fig. 5e an embodiment is shown in which the lower end 31 of the front wiper lip 27 is spaced from the virtual plane 21, and the bottom 7 by a height h, so that between the lower end 31 of the front wiper lip 27, a gap 32 with the height h is formed, wherein the height h is exemplarily between 0.5 mm and 10 mm, preferably 1 mm.
  • the front wiper lip 27 may have a serrated profile in a transverse direction B perpendicular to the advancing direction A (FIG. Fig. 5a - 5c and 5f ) or a profile with slots or slats ( Fig. 5d ) exhibit.
  • the lower end 31 of the front squeegee 27 can not at all or only partially on the floor. 7 lie so that the lower end 31 of the front wiper lip 27 does not touch the virtual plane 21 or, viewed in the transverse direction B, only in sections ( Fig. 5a-5d and 5f ). Thereby, a continuous or non-continuous gap is formed between the lower end 31 of the front wiper lip 27 and the bottom 7.
  • the front wiper lip 27 includes recesses 22 which penetrate from the lower end 31 of the front wiper lip 27 to a depth T in the latter.
  • the depressions 22 may be illustrative and not restrictive triangular ( Fig. 5a, 5b, 5d ), rectangular ( Fig. 5c ) or semicircular ( Fig. 5f ) be formed.
  • the recesses 22 may be contiguous in the transverse direction B ( Fig. 5a ) or spaced apart ( Fig. 5b - 5d and 5f ) can be arranged.
  • the front wiper lip 27 profiles may contact or be spaced apart from the tips or portions between the recesses 22.
  • Fig. 5c illustrated embodiment includes rectangular recesses 22, whose depth T is approximately the height h in the embodiment according to Fig. 5e so that the openings formed by the recesses 22 have an overall cross-sectional area which is opposite to that through the gap 32 (FIG. Fig. 5e ) formed cross-sectional area is reduced, so that in the suction channel 29, a stronger vacuum is generated.
  • the embodiment according to Fig. 5c is therefore particularly suitable for high cleaning requirements, eg in hospitals.
  • Fig. 5d embodiment shown has in the transverse direction B viewed on a profile with fins, wherein the fins are formed by the recesses 22. This embodiment is suitable for finer contamination.
  • Suitable materials for the front and rear wiper lips 27, 28 are elastomers, polyurethane or rubber, typically polyurethane is used.
  • the floor cleaning machine 1 can be designed as a completely autonomous cleaning machine, as a manually moved by a user or powered by a motor cleaning machine.
  • embodiments of the floor cleaning machine 1, which are driven by a motor be designed as Aufsitzmaschinen with steering wheel or alternatively be controlled by means of a remote control.
  • the floor cleaning machine 1 can be equipped with a handle bar 33, which is suitable for moving the floor cleaning machine 1.
  • the handlebar 33 may be elongated member and secured to the chassis 2 so that the handlebar 33 allows the floor cleaning machine 1 to be manually displaced in a forward and reverse direction.
  • the scrubbing unit 10 may comprise one or more brushes 19 or pads (cleaning pads, scouring pads). Exemplary, but not limiting, is that in the Fig.
  • the two brushes 19 are rotatable attached to a housing 26.
  • the housing 26 is attached to the chassis 2 on the underside 3 by way of example.
  • the brushes 19 are each rotatable about a rotation axis.
  • the brushes 19 may be arranged so that their axes of rotation extend vertically on opposite sides of a vertical median plane and substantially vertically to the advancing direction A of the floor cleaning machine 1.
  • the one or more brushes 19 may be arranged so that their axes of rotation extend horizontally in the transverse direction B of the floor cleaning machine 1.
  • the floor cleaning machine 1 comprises a first electric drive motor 35 mounted on the upper side 4 of the chassis 2 for driving the vacuum pump 15 and also mounted on the upper side 4 of the chassis 2, a second and third electric drive motor 36, 37 each for driving one of the two brushes 19.
  • Die Floor cleaning machine 1 may be equipped with a battery (not shown), preferably a lithium-ion battery, to supply the electric drive motors with electrical energy.
  • the two brushes 19 can rotate in opposite directions of rotation.
  • the first tank 11 is configured as a fresh water tank and the second tank 13 is configured as a water recovery tank. Further, the first tank 11 can be detachably attached to the chassis 2 by means of a quick-attaching device, and the second tank 13 can be detachably attached to the elongate member of the handlebar 33 by means of a quick-fastening device.
  • the first tank 11, ie the fresh water tank is via a first pipe or hose 16 ( Fig. 1 ) each with a nozzle 38 ( Fig. 2 ), so that water from the first tank 11 via a respective nozzle 38 to a brush 19 can flow.
  • the rear squeegee 14 is exemplary and not limiting by means of an elastic connection device 30 (FIG. Fig. 2 ) is attached to the housing 26 so that movement of the rear squeegee 14 in the transverse direction B relative to the scrubbing device 10 against a resistance provided by the elastic connection device 30 is made possible.
  • an elastic connection device 30 (FIG. Fig. 2 ) is attached to the housing 26 so that movement of the rear squeegee 14 in the transverse direction B relative to the scrubbing device 10 against a resistance provided by the elastic connection device 30 is made possible.
  • the resilient connection device 30 may comprise an elongated carrier 39 having a first end secured to the rear squeegee 14 and a second end secured to the housing 26 by means of a resilient connection member 40.
  • the elastic connecting part 40 preferably forms a pivot joint, which is fastened to the housing 26 by means of a fastening element, wherein the pivot joint has an axis of rotation extending vertically with respect to the forward movement direction A of the floor cleaning machine 1.
  • the elastic connecting part 40 may be made of plastic or rubber.
  • the outer periphery of the resilient connection member 40 may be polygonal to prevent rotation between the resilient connection member 40 and the elongate support 39, or may be rotationally fixedly secured to the elongate support 39 by means of an adhesive or other means known to those skilled in the art.
  • the elastic connecting part 40 of the elongated carrier 39 is pressed into a rest position in which the elongate carrier 39 extends along the forward movement direction A of the floor cleaning machine 1.
  • the rear squeegee 14 may be spaced a distance of at least 30%, preferably at least 35%, of the diameter of one of the brushes 19 rearwardly from the housing 26.
  • the rear squeegee 14 is curved, and in embodiments of the floor scrubber 1 with two brushes 19, the rear squeegee 14 is substantially elliptically curved to better fit around a portion of the rear periphery of the pair of brushes 19. Further, depending on a stop pin 41 may be mounted on both sides of the vertical center plane on top of the housing 26 to limit the pivoting movement of the carrier 39.
  • the front squeegee 20, which is disposed in front of the brushes 19, may be integrally disposed on the housing 26, or may be attached to the housing 26 as a separate component.
  • the front squeegee 20 is illustrative and not limiting as a straight squeegee.
  • the first and second tank 11, 13 may be arranged one above the other, wherein the first tank 11 may be arranged in a machine housing and the second tank 13 may be disposed on the upper side of the machine housing.
  • the arranged on the top of the machine housing second tank 13 can For example, be connected by means of a hinge, for example a hinge joint pivotally connected to the machine housing.
  • the first and second tanks 11, 13 may be arranged side by side in the machine housing.
  • the engine housing may be integrally formed with the first and / or second tanks 11, 13.
  • the method according to the invention for cleaning trays 7 essentially comprises the steps of: A) wiping a tray 7 by means of a wiper lip 28, 27 arranged on a floor cleaning machine 1 with simultaneous suction of soiling in the area of the wiper lip 28, 27; B) scrubbing the floor 7 by means of a scrubbing device 10 arranged on the floor cleaning machine 1 using a cleaning liquid; and C) sucking off the soiled cleaning liquid by means of a suction device 12 arranged on the floor cleaning machine 1.
  • the steps A)-C) are carried out in one operation in a forward movement direction (A) of the floor cleaning machine 1.
  • the inventive method can be carried out with the above-described embodiment of the inventive floor cleaning machine 1, then under step A), the wiping of a floor 7 by means of two spaced apart on the floor cleaning machine 1 arranged scraper lips 28, 27 is executed.
  • the two wiper lips 28, 27 are disposed on a squeegee 20 and adjacent to a suction channel 20 disposed in the suction channel 29 adjacent a rear and a front wiper lip 28, 27.
  • the scrubbing device 10 and the rear wiper lip 28 of the squeegee 20 define during operation of the floor cleaning machine 1, a virtual plane 21, which rests on the floor 7 to be cleaned.
  • the front wiper lip 27 is spaced in a vertical direction from the virtual plane 21 by a height h, or only partially contacts the virtual plane 21 in a transverse direction B perpendicular to the advancing direction A.

Landscapes

  • Cleaning In General (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP16000718.3A 2016-03-29 2016-03-29 Procede de nettoyage de sols et machine de nettoyage de sol Active EP3225146B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL16000718T PL3225146T3 (pl) 2016-03-29 2016-03-29 Sposób czyszczenia podłóg i maszyna do czyszczenia podłogi
EP16000718.3A EP3225146B1 (fr) 2016-03-29 2016-03-29 Procede de nettoyage de sols et machine de nettoyage de sol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16000718.3A EP3225146B1 (fr) 2016-03-29 2016-03-29 Procede de nettoyage de sols et machine de nettoyage de sol

Publications (2)

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EP3225146A1 true EP3225146A1 (fr) 2017-10-04
EP3225146B1 EP3225146B1 (fr) 2018-12-05

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EP16000718.3A Active EP3225146B1 (fr) 2016-03-29 2016-03-29 Procede de nettoyage de sols et machine de nettoyage de sol

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PL (1) PL3225146T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110403535A (zh) * 2019-09-02 2019-11-05 深圳商斯迈科技有限公司 一种手持式洗地机
CN111743454A (zh) * 2019-03-28 2020-10-09 苏州诚河清洁设备有限公司 用于湿式地面清洁设备的地面吸嘴
CN112932357A (zh) * 2019-12-10 2021-06-11 苏州诚河清洁设备有限公司 用于湿式表面清洁装置的地面吸嘴及湿式表面清洁装置
CN113509089A (zh) * 2020-04-10 2021-10-19 苏州诚河清洁设备有限公司 表面清洁地刷以及真空吸尘器
WO2023077696A1 (fr) * 2021-11-03 2023-05-11 美智纵横科技有限责任公司 Ensemble lame de raclage et machine de nettoyage de sols

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5455982A (en) * 1994-04-22 1995-10-10 Advance Machine Company Hard and soft floor surface cleaning apparatus
US7137170B1 (en) * 2002-02-01 2006-11-21 Nss Enterprises, Inc. Manual scrubber with vacuum pick-up
US7389156B2 (en) 2005-02-18 2008-06-17 Irobot Corporation Autonomous surface cleaning robot for wet and dry cleaning
EP2387933A2 (fr) * 2010-05-20 2011-11-23 Alfred Kärcher GmbH & Co. KG Procédé de nettoyage d'une surface au sol et appareil de nettoyage de sol destiné à l'exécution du procédé

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5455982A (en) * 1994-04-22 1995-10-10 Advance Machine Company Hard and soft floor surface cleaning apparatus
US7137170B1 (en) * 2002-02-01 2006-11-21 Nss Enterprises, Inc. Manual scrubber with vacuum pick-up
US7389156B2 (en) 2005-02-18 2008-06-17 Irobot Corporation Autonomous surface cleaning robot for wet and dry cleaning
EP2387933A2 (fr) * 2010-05-20 2011-11-23 Alfred Kärcher GmbH & Co. KG Procédé de nettoyage d'une surface au sol et appareil de nettoyage de sol destiné à l'exécution du procédé

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111743454A (zh) * 2019-03-28 2020-10-09 苏州诚河清洁设备有限公司 用于湿式地面清洁设备的地面吸嘴
CN111743454B (zh) * 2019-03-28 2024-05-31 苏州爱普电器有限公司 用于湿式地面清洁设备的地面吸嘴
CN110403535A (zh) * 2019-09-02 2019-11-05 深圳商斯迈科技有限公司 一种手持式洗地机
CN112932357A (zh) * 2019-12-10 2021-06-11 苏州诚河清洁设备有限公司 用于湿式表面清洁装置的地面吸嘴及湿式表面清洁装置
CN112932357B (zh) * 2019-12-10 2024-05-24 苏州诚河清洁设备有限公司 用于湿式表面清洁装置的地面吸嘴及湿式表面清洁装置
CN113509089A (zh) * 2020-04-10 2021-10-19 苏州诚河清洁设备有限公司 表面清洁地刷以及真空吸尘器
CN113509089B (zh) * 2020-04-10 2024-05-24 苏州诚河清洁设备有限公司 表面清洁地刷以及真空吸尘器
WO2023077696A1 (fr) * 2021-11-03 2023-05-11 美智纵横科技有限责任公司 Ensemble lame de raclage et machine de nettoyage de sols

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EP3225146B1 (fr) 2018-12-05
PL3225146T3 (pl) 2019-06-28

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