CN107115068B - Cleaning dust return system for floor cleaning machine - Google Patents
Cleaning dust return system for floor cleaning machine Download PDFInfo
- Publication number
- CN107115068B CN107115068B CN201710395176.5A CN201710395176A CN107115068B CN 107115068 B CN107115068 B CN 107115068B CN 201710395176 A CN201710395176 A CN 201710395176A CN 107115068 B CN107115068 B CN 107115068B
- Authority
- CN
- China
- Prior art keywords
- bin
- dust
- sealing
- movable base
- door
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 57
- 238000004140 cleaning Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 238000004064 recycling Methods 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 2
- 238000010408 sweeping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/24—Floor-sweeping machines, motor-driven
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
- A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
- A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
-
- 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
- A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
- A47L11/4025—Means for emptying
-
- 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
- A47L11/4094—Accessories to be used in combination with conventional vacuum-cleaning devices
Landscapes
- Cleaning In General (AREA)
Abstract
The invention discloses a cleaning dust return system for a floor scrubber in the technical field of floor scrubbers, which comprises a frame, a cleaning brush driving mechanism, a dust return bin, two sets of sealing components, a movable base, a first rotating shaft, a drawable recovery bin, a movable limiting seat, a second rotating shaft and a locking component, wherein the movable base is arranged on the frame; the sealing assembly comprises a sealing door, a door hinge shaft and a door lock piece, wherein the door lock piece is used for locking the position of the sealing door; the cleaning brush is positioned in the dust return bin; the drawable recycling bin is arranged on the movable base; the movable limiting seat is locked on the frame through the locking assembly, and the movable limiting seat is just propped against the movable base when locked by the locking assembly, and the free end of the sealing door is just propped against the movable base when the sealing door is locked by the door lock piece. The power consumption is obviously reduced, and dust fall is facilitated.
Description
Technical Field
The invention relates to the technical field of floor washers, in particular to a cleaning dust return system for a floor washer.
Background
At present, many floor washing machines are provided with a dry sweeping mechanism, and the most applied technical scheme at present is as follows: the dust on the ground is swept to the negative pressure dust collection port by the high-speed rotation of the sweeping brush, and is sucked away by the negative pressure source. Such a technical means has the following drawbacks: firstly, the power consumption is high, the sweeping brush is required to be driven to rotate at a high speed, and the fan is required to rotate continuously, wherein the energy consumption for the operation of the fan is large in proportion; secondly, dust is inconvenient to fall; thirdly, dust can fly upwards when the brush rotates at a high speed.
Disclosure of Invention
The invention aims to provide a cleaning dust return system for a floor scrubber, which is remarkably reduced in power consumption and convenient for dust fall.
The purpose of the invention is realized in the following way: the cleaning dust return system for the floor scrubber comprises a frame, a cleaning brush driving mechanism for driving the cleaning brush to rotate at high speed, a dust return bin with a closed structure, two sealing assemblies for respectively sealing two sides of the dust return bin, a movable base, a first rotating shaft, a retractable recovery bin which is detachably arranged on the movable base and is used for collecting dust, and an opening structure is arranged at the upper end of the retractable recovery bin, and further comprises a movable limiting seat, a second rotating shaft and a locking assembly;
the sealing assembly comprises a sealing door, a door hinge shaft and a door lock piece, wherein the door lock piece is used for locking the position of the sealing door, and one end of the sealing door is rotatably arranged on the frame through the door hinge shaft;
the cleaning brush is positioned in the dust return bin;
the bottom of the movable base is provided with at least two pairs of travelling wheels which are contacted with the ground, and the movable base is horizontally and rotatably arranged on the frame through a first rotating shaft; the movable limiting seat is horizontally rotatably arranged on the frame through a second rotating shaft; the drawable recycling bin is placed on the movable base;
the upper end opening of the extractable recovery bin is communicated with the dust return bin, a guide surface capable of guiding dust into the extractable recovery bin is arranged in the dust return bin, the movable limiting seat is locked on the frame through the locking assembly, the movable limiting seat is just propped against the movable base when locked by the locking assembly, and the free end of the sealing door is just propped against the movable base when locked by the door lock piece.
Compared with the prior art, the invention has the beneficial effects that: firstly, the power consumption is obviously reduced, and only the cleaning brush rotates at a high speed to sweep dust into the extractable recovery bin; secondly, dust is convenient to fall, when the dust is required to fall, the sealing door is opened, the locking assembly is unlocked, the movable limiting seat is loosened, and the movable base is rotated outwards, so that the extractable recovery bin is extracted to fall the dust, and the extractable recovery bin is placed on the movable base, so that the operation is very convenient when the extractable recovery bin is extracted; thirdly, the movable limiting seat and the sealing door play a good limiting role, the movable limiting seat props against the movable base, and when the sealing door is locked by the door lock piece, the free end of the sealing door just props against the movable base, so that the three-side position of the movable base is limited, the position of the retractable recovery bin is limited, the installation structure is simple and reasonable, the assembly is convenient, and the manufacturing cost is low; fourth, because the cleaning brush is in airtight back dirt bin, consequently, back dirt bin can restrict the dust that the cleaning brush carried in wherein, can not produce the problem that the dust flies upward.
As a further improvement of the invention, the drawable recycling bin is provided with a drawing cavity and a drawing rod movably arranged in the drawing cavity, one end of the drawing rod is exposed and provided with a drawing handle which is convenient for drawing the drawing rod, and the other end of the drawing rod is positioned in the drawing cavity and provided with a limiting head which can prevent the drawing rod from slipping out of the drawing cavity. The whole extractable recycling bin can be extracted by the extraction rod so as to facilitate dust pouring.
As a further improvement of the invention, the bottom of the drawable recycling bin is provided with a filtering net cover with a hood-shaped structure for filtering sewage. The filtering net cover can separate sewage and dust so as to prevent the sewage and the dust from being mixed together and adhered to the bottom of the drawable recycling bin.
As a further improvement of the invention, the bottom of the retractable recovery bin is rotatably provided with at least two rollers, and the rollers are contacted with the movable base. The rollers reduce friction between the retractable recovery bin and the movable base so that an operator can easily withdraw the fully loaded retractable recovery bin.
As a further improvement of the invention, the sealing door panel surface is provided with a vertical lifting mechanism, a mounting bar and a sealing strip fixedly arranged on the lower side of the mounting bar in sequence from top to bottom, the sealing strip is made of flexible materials, the mounting bar is connected with the vertical lifting mechanism, and the sealing strip is close to the ground. The sealing strip can thoroughly prevent dust from flying out of the dust return bin, and the vertical lifting mechanism is further arranged, so that the ground clearance of the sealing strip can be flexibly adjusted, and the sealing effect of the sealing strip on the dust return bin is ensured.
Drawings
Fig. 1 is a schematic view of the overall arrangement of the present invention in the overhead direction.
Fig. 2 is a schematic view of the dust fall of the present invention.
Fig. 3 is a schematic side-by-side layout of the present invention.
Fig. 4 is a schematic view of the seal strip installation.
The device comprises a frame 1, a cleaning brush 2, a cleaning brush driving mechanism 3, a sealing door 4, a hinge shaft 5, a door lock 6, a 7-drawer type recycling bin 701, a drawer handle 702, a roller 703, a filtering net cover 704, a drawer rod 704a limiting head 705, a drawer cavity 8, a movable base 8a travelling wheel 9, a first rotating shaft 10, a movable limiting seat 11, a second rotating shaft 12, a dust returning bin 12a guide surface 13, a locking component 14, a vertical lifting mechanism 15, a ground surface 16, a mounting strip 17 and sealing strips.
Detailed Description
As shown in fig. 1-3, the cleaning dust return system for the floor cleaning machine comprises a frame 1, a cleaning brush 2, a cleaning brush driving mechanism 3 for driving the cleaning brush 2 to rotate at a high speed, a dust return bin 12 with a closed structure, two sealing assemblies for respectively sealing two sides of the dust return bin 12, a movable base 8, a first rotating shaft 9, a drawable recycling bin 7 which is detachably arranged on the movable base 8 and is used for collecting dust, and an opening structure at the upper end, a movable limiting seat 10, a second rotating shaft 11 and a locking assembly 13.
The sealing assembly comprises a sealing door 4, a door hinge shaft 5 and a door lock member 6 for locking the position of the sealing door 4, wherein one end of the sealing door 4 is rotatably arranged on the frame 1 through the door hinge shaft 5.
The cleaning brush 2 is positioned in the dust return bin 12.
At least two pairs of travelling wheels 8a which are contacted with the ground 15 are arranged at the bottom of the movable base 8, and the movable base 8 is horizontally and rotatably arranged on the frame 1 through a first rotating shaft 9; the movable limiting seat 10 is horizontally rotatably arranged on the frame 1 through a second rotating shaft 11; the drawable recycling bin 7 is placed on the movable base 8.
The upper end opening of the drawable recycling bin 7 is communicated with the dust recycling bin 12, a guide surface 12a capable of guiding dust into the drawable recycling bin 7 is arranged in the dust recycling bin 12, the movable limiting seat 10 is locked on the frame 1 through the locking component 13, the movable limiting seat 10 is just propped against the movable base 8 when being locked by the locking component 13, and the free end of the sealing door 4 is just propped against the movable base 8 when the sealing door 4 is locked by the door locking component 6.
The above-mentioned drawable recycling bin 7 is provided with a drawing cavity 705 and a drawing rod 704 movably mounted in the drawing cavity 705, one end of the drawing rod 704 is exposed and provided with a drawing handle 701 for conveniently drawing the drawing rod 704, and the other end of the drawing rod 704 is positioned in the drawing cavity 705 and provided with a limit head 704a for preventing the drawing rod 704 from slipping out of the drawing cavity 705. The entire retractable recovery bin 7 can be withdrawn using the draw bar 704 for dust dumping.
The bottom of the drawable recycling bin 7 is provided with a filtering net cover 703 with a hood-shaped structure for filtering sewage.
The bottom of the retractable recycling bin 7 is rotatably provided with at least two rollers 702, and the rollers 702 are contacted with the movable base 8. The rollers 702 reduce friction between the retractable recovery bin 7 and the movable base 8.
As shown in fig. 4, the panel surface of the sealing door 4 is provided with a vertical lifting mechanism 14, a mounting bar 16 and a sealing strip 17 fixedly installed at the lower side of the mounting bar 16 from top to bottom, the sealing strip 17 is made of flexible materials, the mounting bar 16 is connected with the vertical lifting mechanism 14, and the sealing strip 17 is close to the ground 15. The sealing strip 17 can thoroughly prevent dust from flying out of the dust return bin 12, and the vertical lifting mechanism 14 is further arranged, so that the ground clearance of the sealing strip 17 can be flexibly adjusted, and the sealing effect of the sealing strip 17 on the dust return bin 12 is ensured.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.
Claims (5)
1. The utility model provides a clean return dust system for washing machine, includes frame (1), brush cleaner (2), is used for driving brush cleaner (2) to carry out high-speed pivoted brush cleaner actuating mechanism (3), its characterized in that: the dust recycling bin also comprises a dust recycling bin (12) with a closed structure, two sets of sealing assemblies for respectively sealing two sides of the dust recycling bin (12), a movable base (8), a first rotating shaft (9), a retractable recycling bin (7) which is detachably arranged on the movable base (8) and is used for collecting dust, the upper end of the retractable recycling bin is of an opening structure, and the retractable recycling bin also comprises a movable limiting seat (10), a second rotating shaft (11) and a locking assembly (13);
the sealing assembly comprises a sealing door (4), a door hinge shaft (5) and a door lock (6) for locking the position of the sealing door (4), wherein one end of the sealing door (4) is rotatably arranged on the frame (1) through the door hinge shaft (5);
the cleaning brush (2) is positioned in the dust return bin (12);
at least two pairs of travelling wheels (8 a) which are contacted with the ground (15) are arranged at the bottom of the movable base (8), and the movable base (8) is horizontally and rotatably arranged on the frame (1) through a first rotating shaft (9); the movable limiting seat (10) is horizontally rotatably arranged on the frame (1) through a second rotating shaft (11); the drawable recycling bin (7) is placed on the movable base (8);
the utility model discloses a dust collection bin, including removable recovery bin (7), sealing door (4), locking subassembly (13), movable limiting seat (10), movable base (8) are supported in the time of removable recovery bin (7) upper end opening and return dust bin (12) are linked together, be equipped with in return dust bin (12) and guide flow face (12 a) in can leading into removable recovery bin (7) with the dust, movable limiting seat (10) locks on frame (1) through locking subassembly (13), and movable limiting seat (10) are supported movable base (8) in the time of locking by locking subassembly (13) just, sealing door (4) free end is supported movable base (8) in the time of sealing door (4) are locked by door lock (6) just.
2. A clean-back system for a floor scrubber as set forth in claim 1, wherein: the retractable recycling bin (7) is provided with a pulling cavity (705) and a pulling rod (704) movably mounted in the pulling cavity (705), one end of the pulling rod (704) is exposed and provided with a pulling handle (701) which is convenient for pulling the pulling rod (704), and the other end of the pulling rod (704) is positioned in the pulling cavity (705) and is provided with a limiting head (704 a) which can prevent the pulling rod (704) from slipping out of the pulling cavity (705).
3. A clean-back system for a floor scrubber as set forth in claim 1, wherein: the bottom of the drawable recycling bin (7) is provided with a filtering net cover (703) which is used for filtering sewage and has a cover-shaped structure.
4. A clean-back system for a floor scrubber according to claim 1 or 2, characterized in that: the bottom of the drawable recycling bin (7) is rotatably provided with rollers (702), at least two rollers (702) are arranged, and the rollers (702) are in contact with the movable base (8).
5. A clean-back system for a floor scrubber as set forth in claim 1, wherein: the sealing door (4) face from the top down installs vertical elevating system (14), installation strip (16), fixed mounting in sealing strip (17) of installation strip (16) downside in proper order, sealing strip (17) are made by flexible material, installation strip (16) link to each other with vertical elevating system (14), sealing strip (17) are close with ground (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710395176.5A CN107115068B (en) | 2017-05-30 | 2017-05-30 | Cleaning dust return system for floor cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710395176.5A CN107115068B (en) | 2017-05-30 | 2017-05-30 | Cleaning dust return system for floor cleaning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107115068A CN107115068A (en) | 2017-09-01 |
| CN107115068B true CN107115068B (en) | 2024-02-13 |
Family
ID=59728907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710395176.5A Active CN107115068B (en) | 2017-05-30 | 2017-05-30 | Cleaning dust return system for floor cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107115068B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115068B (en) * | 2017-05-30 | 2024-02-13 | 扬州金威环保科技有限公司 | Cleaning dust return system for floor cleaning machine |
| CN115032178B (en) * | 2022-04-26 | 2023-12-01 | 江苏仕能工业技术有限公司 | Portable mounting rack for turbidimeter and mounting method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB642543A (en) * | 1947-04-11 | 1950-09-06 | Harry Ayliffe | Improvements in or relating to sweeping machines |
| JP2002017638A (en) * | 2000-07-11 | 2002-01-22 | Matsushita Electric Ind Co Ltd | Trash-can-type cleaner |
| JP2002369780A (en) * | 2001-06-14 | 2002-12-24 | Sanyo Electric Co Ltd | Dust collecting device |
| CN101166454A (en) * | 2005-05-05 | 2008-04-23 | 坦南特公司 | Floor sweeping and scrubbing machine |
| EP2050380A2 (en) * | 2007-10-17 | 2009-04-22 | Samsung Electronics Co., Ltd. | Robot cleaner |
| CN201814516U (en) * | 2010-09-15 | 2011-05-04 | 深圳市银星智能电器有限公司 | Rinsing robot |
| EP2823746A2 (en) * | 2013-07-08 | 2015-01-14 | Wessel-Werk GmbH | Cleaning device for the wet cleaning of floor surfaces |
| CN104921669A (en) * | 2015-06-11 | 2015-09-23 | 深圳市斯加旺科技开发有限公司 | Land clearing 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 |
| CN205667534U (en) * | 2016-02-24 | 2016-11-02 | 重庆明珠环保工程有限公司 | Floor-cleaning machine |
| CN107115068A (en) * | 2017-05-30 | 2017-09-01 | 扬州金威环保科技有限公司 | Dirt system is returned in a kind of cleaning for floor-cleaning machine |
| CN208017441U (en) * | 2017-05-30 | 2018-10-30 | 扬州金威环保科技有限公司 | Dirt system is returned in a kind of cleaning for floor-cleaning machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060064844A1 (en) * | 2003-05-14 | 2006-03-30 | Venard Daniel C | Floating deck for use with a floor cleaning apparatus |
-
2017
- 2017-05-30 CN CN201710395176.5A patent/CN107115068B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB642543A (en) * | 1947-04-11 | 1950-09-06 | Harry Ayliffe | Improvements in or relating to sweeping machines |
| JP2002017638A (en) * | 2000-07-11 | 2002-01-22 | Matsushita Electric Ind Co Ltd | Trash-can-type cleaner |
| JP2002369780A (en) * | 2001-06-14 | 2002-12-24 | Sanyo Electric Co Ltd | Dust collecting device |
| CN101166454A (en) * | 2005-05-05 | 2008-04-23 | 坦南特公司 | Floor sweeping and scrubbing machine |
| EP2050380A2 (en) * | 2007-10-17 | 2009-04-22 | Samsung Electronics Co., Ltd. | Robot cleaner |
| CN201814516U (en) * | 2010-09-15 | 2011-05-04 | 深圳市银星智能电器有限公司 | Rinsing robot |
| EP2823746A2 (en) * | 2013-07-08 | 2015-01-14 | Wessel-Werk GmbH | Cleaning device for the wet cleaning of floor surfaces |
| CN104921669A (en) * | 2015-06-11 | 2015-09-23 | 深圳市斯加旺科技开发有限公司 | Land clearing 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 |
| CN205667534U (en) * | 2016-02-24 | 2016-11-02 | 重庆明珠环保工程有限公司 | Floor-cleaning machine |
| CN107115068A (en) * | 2017-05-30 | 2017-09-01 | 扬州金威环保科技有限公司 | Dirt system is returned in a kind of cleaning for floor-cleaning machine |
| CN208017441U (en) * | 2017-05-30 | 2018-10-30 | 扬州金威环保科技有限公司 | Dirt system is returned in a kind of cleaning for floor-cleaning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107115068A (en) | 2017-09-01 |
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