CN105686762A - Automatic floor wiping device - Google Patents

Automatic floor wiping device Download PDF

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Publication number
CN105686762A
CN105686762A CN201610235317.2A CN201610235317A CN105686762A CN 105686762 A CN105686762 A CN 105686762A CN 201610235317 A CN201610235317 A CN 201610235317A CN 105686762 A CN105686762 A CN 105686762A
Authority
CN
China
Prior art keywords
water
main shaft
clear water
cleaning
water tanks
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
CN201610235317.2A
Other languages
Chinese (zh)
Other versions
CN105686762B (en
Inventor
张哲�
田津津
郝俊杰
李晓博
俞苏苏
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.)
XUZHOU YONGFENG MAGNETIC INDUSTRY Co.,Ltd.
Original Assignee
Tianjin University of Commerce
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 Tianjin University of Commerce filed Critical Tianjin University of Commerce
Priority to CN201610235317.2A priority Critical patent/CN105686762B/en
Publication of CN105686762A publication Critical patent/CN105686762A/en
Application granted granted Critical
Publication of CN105686762B publication Critical patent/CN105686762B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/292Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools
    • A47L11/293Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools the tools being disc brushes
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4011Regulation of the cleaning machine by electric means; Control systems and remote control systems therefor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4013Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4013Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A47L11/4022Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids with means for recycling the dirty liquid
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4036Parts or details of the surface treating tools
    • A47L11/4038Disk shaped surface treating tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4061Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4063Driving means; Transmission means therefor
    • A47L11/4066Propulsion of the whole machine
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4063Driving means; Transmission means therefor
    • A47L11/4069Driving or transmission means for the cleaning tools

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sustainable Development (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

The invention discloses an automatic floor wiping device.The automatic floor wiping device comprises a body structure, a water circulation system, a clear water tank pressurization system, a search radar control system, a guide movement system and a cleaning system, wherein the pressurization system, the movement system and the cleaning system are reasonably and conveniently unified to movement of a main shaft.A virtual wall is formed by search radars and transmitted to a master controller so that the master controller can control a guide wheel not to collide with an obstacle, a servo motor adjusts the direction, and the main shaft provides power for movement wheels; a sweeping system drives sweeping cotton bodies through rotation of cleaning device supports, sweeping is achieved in combination with device walking, the cleaning system is pressurized by a pressurization device, on-off of a valve is controlled to adjust water outflow under gravity water supply, the main shaft rotates to drive the cleaning cotton bodies to rotate, the cleaning cotton bodies are cleaned in sequence, and excessive water is squeezed out through the edge of a water pan.A sewage outlet of a sewage tank can be conveniently and regularly treated, and the sewage tank can be detached to be comprehensively treated; water can be recycled through the water pan, the sewage tank and a clear water tank via a water pump and a filter.

Description

A kind of mopping device automatically
Technical field
The present invention relates to household field, in particular, relate to a kind of automatic mopping device cleaned for domestic hygiene。
Background technology
The development of society and the growth of population so that no matter city or rural house gets more and more。And the quickening of the raising of Living consumption and rhythm of life so that the demand of Smart Home articles for use is increased by the daily daily life of people, and intelligent domestic device also exists sizable market。Current people are most manual work in the work of household ground cleaning, or uses some Small-sized suction cleaners。It is all manually mop floor that usual people wipe ground, and then with dirty rear manual cleaning, efficiency is low, cleaning also bothers。The house theory of people changed along with the epoch, common mopping device can not meet the needs of people, the time more than the substantial amounts of spare time is wasted when manually wiping ground, small-sized vacuum cleaner can only realize simple clear dirt work, and current automatic mopping device does not possess cotton automatically the cleaning and reutilization of the sewage function of cleaning。
Summary of the invention
Purging system contained by the present invention can realize mopping device and work with being rationally efficiently completed usual wiping, water purification effluent cycle system realizes the saving of water resource and uses, compression system provides enough pressure to water spray process, can to cleaning cotton effectively cleaning, guiding movement system can make device automatically walk, device various piece can be dismantled, it is achieved daily device cleans and maintenance。
A kind of mopping device automatically of the present invention, is controlled system, guiding movement system and purging system formed by agent structure, the blood circulation of water purification sewage, clear water tanks compression system, search radar,
Described agent structure is made up of shell and chassis;The blood circulation of water purification sewage, clear water tanks compression system and search radar are set in shell and control system;Chassis is installed guiding movement system and purging system;
Described guiding movement system includes accumulator, motor, main shaft, driving axle, servomotor, directive wheel and road wheel, accumulator drive motor, motor drive shaft, the driving gear of main shaft bottom engages with driving the driven gear in the middle part of axle, drive end shaft and be respectively mounted road wheel, driven by servomotor directive wheel;
Described purging system is formed by cleaning cotton, washer support and drip tray, washer support is wound around and cleans cotton, and washer support drip tray mounted below, washer support one end and main shaft are fixed;
Described water purification effluent cycle system includes clear water tanks and foul water tank, clear water tanks and foul water tank are symmetrical arranged in housing, clear water tanks top arranges water filling port, sewage draining exit is set bottom foul water tank, the connecting line two ends installing water pump one are connected in the coarse filter in drip tray and foul water tank top respectively, and the pipeline two ends installing water pump two are connected in fine filtrator and the clear water tanks top of foul water tank inner bottom part respectively;Clear water tanks bottom is installed and is controlled valve member, controls valve member connection and cleans pipe, cleans pipe and is positioned at cleaning cotton top;
Described compression system comprises cam, piston, spring, cylinder, inlet valve and air bleeding valve, main shaft is installed cam, described cam is adjacent with one end of pushing ram, the other end of pushing ram connects the piston in cylinder, arranging spring between piston and cylinder bottom surface, inlet valve and air bleeding valve are installed in cylinder bottom surface;
Described search radar controls system and includes search radar and master controller, and described shell is uniformly distributed at least four search radars, and master controller connects search radar, motor, servomotor and control valve member respectively。
Described chassis is circular, and described washer support is a plurality of, and each bar washer support arranges according to chassis radial direction。
The described pipe that cleans is for a plurality of, and each bar cleans pipe to control valve member arrangement in umbrella downwards for summit。
There is advantages that
1, this device is driven rinser, pressue device, road wheel by main shaft, it is achieved the combination of multiple systems is unified, it is achieved the running that system high efficiency is unified。
2, the filter of water purification effluent cycle system achieves and is supplied clearing apparatus by clear water in the apparatus, the recovery reprocessing of sewage, and returns the whole process of clear water tanks so that resource is reasonably used。
3, the use of pressue device in the program, is the innovative point making full use of system effect itself, and the intrinsic rotation of main shaft achieves pressue device to the pressurization in clear water tanks space, makes moisture can spray fully on cleaning cotton。
4, in this mopping device, clear water tanks, foul water tank, drip tray can be dismantled, the maintenance maintenance of easy cleaning and equipment。
5, in this device, multiple systems obtain rationally effective unified on main shaft, it will be apparent that the system that can be seen that reasonably is unified among an entirety, and energy obtains being suitable for efficient utilization。
6, the automatically controlling of device, saves manpower。
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of automatic floor-scrubbing machine structure of the present invention;
Fig. 2 is the front view of automatic floor-scrubbing machine;
Fig. 3 is automatic floor-scrubbing machine purging system structure chart;
Fig. 4 is that automatic floor-scrubbing machine drives axle to be connected figure with main shaft;
Fig. 5 is that directive wheel runs system diagram;
Fig. 6 is the schematic diagram of pressue device in the present invention;
Fig. 7 is automatic floor-scrubbing machine polycrystalline substance schematic diagram。
Detailed description of the invention
Below in conjunction with accompanying drawing, the automatic mopping device of the present invention is described in further detail。
Shown in the present invention automatic mopping device schematic diagram such as Fig. 1,2,3,4,5,6,7, the program ensures efficiently to complete whole wiping ground process automatically。As shown in Figure 1, 2, cleaning structure is as it is shown on figure 3, take action structure as shown in Figure 4,5, and as shown in Figure 6, polycrystalline substance is as shown in Figure 7 for pressue device for overall structure。Below in conjunction with concrete condition, this device is illustrated: the search radar 17 in Fig. 2 senses body of wall and hinders the existence of thing, and automatically recorded track route by master controller in Fig. 11, master controller 1 controls the operating of whole system, accumulator 2 drive motor 3, thus the rotation of drive shaft 15, main shaft 15 makes pressue device 5, washer support 18 and road wheel 10 work;Washer support 18 drives cleaning cotton 19 to rotate together, carries out working with wiping in conjunction with walking。Pressue device 5 pressurizes to clear water tanks 6, in clear water tanks 6, water is pressurized plus action of gravity, master controller 1 controls switch and the open degree of valve member 7, by controlling valve member 7 entrance cleaning pipe 8, water is sprayed onto on the cleaning cotton 19 shown in Fig. 3, it is carried out work to cleaning cotton 19, control valve member 7 and carry out switch size adjustment according to specific works situation, there is drip tray 9 below, rely on main shaft 15 to rotarily drive the cotton body 19 of cleaning to rotate, thus successively the cotton body 19 of cleaning being carried out, excessive moisture is abutted against the edge extruding of water pond and removes。When stopping cleaning, close valve closing 7。Guiding movement system is as shown in Figure 4, Figure 5, the mode that main shaft is connected by gear transmission structure with road wheel, gear 20 undertakes the effect of transmission moment of torsion, axle 21 is driven to drive road wheel 10 to take action, device is made to walk, in Fig. 5, servo motor 22 controls the direction of motion of directive wheel 31 simultaneously, the shell 16 shown in Fig. 2 is uniformly distributed 10 search radars 17 and regulates mopping device without impinging on hindering thing and being simultaneously transferred to master controller, and automatic Memory route。In water circulation system, water is entered clear water tanks 6 by water filling port 4, sewage in drip tray 9 is through coarse filter 11, foul water tank 14 is entered by connecting line 29 under the effect of water pump 1, sewage draining exit 28 can carry out blowdown work, the sewage in foul water tank 14, becomes clear water through fine filtrator 13 under the drive of water pump 2 33, it is again introduced into clear water tanks 6, it is achieved recycling of water。Pressue device 5 is concrete as shown in Figure 6, and the cam 23 on main shaft 15 drives pushing ram 30 to promote piston 24 stretching motion along with main shaft 15 motion, when piston 24 is in compressive state, inlet valve 26 is closed, air bleeding valve 27 is opened, cylinder 32 aerofluxus, pressurizes to clear water tanks 6, when cam 23 leaves pushing ram 30, spring 25 promotes piston 24 to reset, and piston 24 is when being in extended state, and air-breathing valve member 26 is opened, air bleeding valve 27 state is closed, cylinder 32 carries out air-breathing, thus repeatedly working。
The above is only the advantageous applications content of the present invention; for the relevant working technical staff in this area; under the premise without departing from the principles of the invention, everybody can also supplement accordingly and revise, but the amendment carried out and application should within protection scope of the present invention。

Claims (3)

1. an automatic mopping device, is characterized in that, is controlled system, guiding movement system and purging system formed by agent structure, the blood circulation of water purification sewage, clear water tanks compression system, search radar,
Described agent structure is made up of shell and chassis;The blood circulation of water purification sewage, clear water tanks compression system and search radar are set in shell and control system;Chassis is installed guiding movement system and purging system;
Described guiding movement system includes accumulator, motor, main shaft, driving axle, servomotor, directive wheel and road wheel, accumulator drive motor, motor drive shaft, the driving gear of main shaft bottom engages with driving the driven gear in the middle part of axle, drive end shaft and be respectively mounted road wheel, driven by servomotor directive wheel;
Described purging system is formed by cleaning cotton, washer support and drip tray, washer support is wound around and cleans cotton, and washer support drip tray mounted below, washer support one end and main shaft are fixed;
Described water purification effluent cycle system includes clear water tanks and foul water tank, clear water tanks and foul water tank are symmetrical arranged in housing, clear water tanks top arranges water filling port, sewage draining exit is set bottom foul water tank, the connecting line two ends installing water pump one are connected in the coarse filter in drip tray and foul water tank top respectively, and the pipeline two ends installing water pump two are connected in fine filtrator and the clear water tanks top of foul water tank inner bottom part respectively;Clear water tanks bottom is installed and is controlled valve member, controls valve member connection and cleans pipe, cleans pipe and is positioned at cleaning cotton top;
Described compression system comprises cam, piston, spring, cylinder, inlet valve and air bleeding valve, main shaft is installed cam, described cam is adjacent with one end of pushing ram, the other end of pushing ram connects the piston in cylinder, arranging spring between piston and cylinder bottom surface, inlet valve and air bleeding valve are installed in cylinder bottom surface;
Described search radar controls system and includes search radar and master controller, and described shell is uniformly distributed at least four search radars, and master controller connects search radar, motor, servomotor and control valve member respectively。
2. automatic mopping device according to claim 1, is characterized in that, described chassis is circular, and described washer support is a plurality of, and each bar washer support arranges according to chassis radial direction。
3. automatic mopping device according to claim 1, is characterized in that, the described pipe that cleans is for a plurality of, and each bar cleans pipe to control valve member arrangement in umbrella downwards for summit。
CN201610235317.2A 2016-04-14 2016-04-14 A kind of automatic mopping device Active CN105686762B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610235317.2A CN105686762B (en) 2016-04-14 2016-04-14 A kind of automatic mopping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610235317.2A CN105686762B (en) 2016-04-14 2016-04-14 A kind of automatic mopping device

Publications (2)

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CN105686762A true CN105686762A (en) 2016-06-22
CN105686762B CN105686762B (en) 2018-02-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107874710A (en) * 2017-11-15 2018-04-06 王静娴 A kind of ground small garbage cleaning plant
CN108903843A (en) * 2018-09-29 2018-11-30 孙宇博 A kind of water washing cleaning device
CN109091072A (en) * 2018-06-28 2018-12-28 廖志敏 Side brush device of robot sweeps floor
CN109730588A (en) * 2019-01-31 2019-05-10 深圳和而泰智能控制股份有限公司 Mopping robot

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Publication number Priority date Publication date Assignee Title
US4809397A (en) * 1986-01-21 1989-03-07 Edic Rug and carpet cleaner
JPH07289488A (en) * 1994-04-20 1995-11-07 Fujitsu General Ltd Floor surface cleaning robot
JPH08243064A (en) * 1995-03-09 1996-09-24 Fujitsu General Ltd Floor cleaning vehicle
CN1144642A (en) * 1995-09-07 1997-03-12 黄平 Multipurpose cleaning machine
JPH10323306A (en) * 1997-05-26 1998-12-08 Bill Daiko:Kk Floor polisher
CN2304345Y (en) * 1997-06-06 1999-01-20 天津市华威电器有限公司 Swinging carpet cleaner
JP2000354567A (en) * 1999-06-15 2000-12-26 Toshiba Tec Corp Vacuum cleaner and nozzle body thereof
CN2534952Y (en) * 2001-08-08 2003-02-12 北京金汛新世纪机器人制造有限公司 Dirt-water automatic-recovering-processing device of window-cleaning machine
CN203369862U (en) * 2013-06-24 2014-01-01 隋复员 Multifunctional cleaning machine
CN105476559A (en) * 2015-12-29 2016-04-13 天津金妻玉宝科技有限公司 Water-saving type scrubber
CN205831731U (en) * 2016-04-14 2016-12-28 天津商业大学 A kind of mopping device automatically

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4809397A (en) * 1986-01-21 1989-03-07 Edic Rug and carpet cleaner
JPH07289488A (en) * 1994-04-20 1995-11-07 Fujitsu General Ltd Floor surface cleaning robot
JPH08243064A (en) * 1995-03-09 1996-09-24 Fujitsu General Ltd Floor cleaning vehicle
CN1144642A (en) * 1995-09-07 1997-03-12 黄平 Multipurpose cleaning machine
JPH10323306A (en) * 1997-05-26 1998-12-08 Bill Daiko:Kk Floor polisher
CN2304345Y (en) * 1997-06-06 1999-01-20 天津市华威电器有限公司 Swinging carpet cleaner
JP2000354567A (en) * 1999-06-15 2000-12-26 Toshiba Tec Corp Vacuum cleaner and nozzle body thereof
CN2534952Y (en) * 2001-08-08 2003-02-12 北京金汛新世纪机器人制造有限公司 Dirt-water automatic-recovering-processing device of window-cleaning machine
CN203369862U (en) * 2013-06-24 2014-01-01 隋复员 Multifunctional cleaning machine
CN105476559A (en) * 2015-12-29 2016-04-13 天津金妻玉宝科技有限公司 Water-saving type scrubber
CN205831731U (en) * 2016-04-14 2016-12-28 天津商业大学 A kind of mopping device automatically

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107874710A (en) * 2017-11-15 2018-04-06 王静娴 A kind of ground small garbage cleaning plant
CN109091072A (en) * 2018-06-28 2018-12-28 廖志敏 Side brush device of robot sweeps floor
CN109091072B (en) * 2018-06-28 2020-09-29 廖志敏 Side brush device of robot sweeps floor
CN108903843A (en) * 2018-09-29 2018-11-30 孙宇博 A kind of water washing cleaning device
CN108903843B (en) * 2018-09-29 2020-12-25 孙宇博 Water washing cleaning device
CN109730588A (en) * 2019-01-31 2019-05-10 深圳和而泰智能控制股份有限公司 Mopping robot
CN109730588B (en) * 2019-01-31 2024-04-09 深圳和而泰智能控制股份有限公司 Floor wiping robot

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Effective date of registration: 20201022

Address after: 221700 sun Lou Zhen Gong Ye Lu Nan Zhen government north, Feng County, Xuzhou City, Jiangsu Province

Patentee after: XUZHOU YONGFENG MAGNETIC INDUSTRY Co.,Ltd.

Address before: 100089 Beijing Haidian District Huayuan Road No. 2 peony building 4 floor 1424 room

Patentee before: Beijing Zhonglian Technology Service Co.,Ltd.

Effective date of registration: 20201022

Address after: 100089 Beijing Haidian District Huayuan Road No. 2 peony building 4 floor 1424 room

Patentee after: Beijing Zhonglian Technology Service Co.,Ltd.

Address before: Tianjin highway 300134 East Tianjin District of Beichen City

Patentee before: TIANJIN University OF COMMERCE