CN113749581A - Ground cleaning device - Google Patents
Ground cleaning device Download PDFInfo
- Publication number
- CN113749581A CN113749581A CN202111146054.5A CN202111146054A CN113749581A CN 113749581 A CN113749581 A CN 113749581A CN 202111146054 A CN202111146054 A CN 202111146054A CN 113749581 A CN113749581 A CN 113749581A
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- CN
- China
- Prior art keywords
- floor
- brush
- water tank
- main motor
- accommodating space
- 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.)
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Classifications
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- 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
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- 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
- A47L11/4002—Installations of electric equipment
- A47L11/4005—Arrangements of batteries or cells; Electric power supply arrangements
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- 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
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
Landscapes
- Cleaning In General (AREA)
Abstract
本发明公开了一种地面清洁装置，包括机身，所述机身具有第一容置空间；清水箱，所述清水箱可拆卸地设于所述机身，用于存放清洁液；主电机，所述主电机设于所述第一容置空间内，用于为所述地面清洁装置提供吸力；地刷，所述地刷连接于所述机身下端，所述地刷具有第二容置空间；滚刷，所述滚刷设置于所述第二容置空间内，用于对地面进行转动清洁；污水箱，所述污水箱设于所述第二容置空间内，用于污水回收；水泵，所述水泵设于所述第二容置空间内，并与所述清水箱相连接，实现所述清水箱中的清洁液传输送至所述地刷。解决了现有技术洗地机清洁效率较低，清洁效果较差，影响用户综合使用体验，且无法兼顾轻便性和清洁效果的技术问题。
The invention discloses a ground cleaning device, comprising a body, the body having a first accommodating space; a clean water tank, the clean water tank being detachably arranged on the body for storing cleaning liquid; a main motor , the main motor is arranged in the first accommodating space to provide suction for the floor cleaning device; the floor brush is connected to the lower end of the fuselage, and the floor brush has a second accommodating force storage space; roller brush, which is arranged in the second storage space for rotating and cleaning the ground; sewage tank, which is arranged in the second storage space and used for sewage Recovery; water pump, the water pump is arranged in the second accommodating space and connected with the clean water tank, so that the cleaning liquid in the clean water tank is transmitted to the floor brush. The invention solves the technical problems of low cleaning efficiency and poor cleaning effect of the prior art washing machine, which affect the comprehensive use experience of users, and cannot take into account the portability and cleaning effect.
Description
Technical Field
The invention relates to the field of cleaning machinery, in particular to a floor cleaning device.
Background
The floor cleaning device is a cleaning machine which is suitable for cleaning a hard floor and simultaneously sucking up sewage and takes the sewage away from the site, has the advantages of environmental protection, energy conservation, high efficiency and the like, and along with the development of floor cleaning products, various floor washers can be carried along, the user of the floor cleaning device comprehensively uses experience, such as portability, cleaning effect, whether the floor cleaning device can be used in multiple scenes or not, and the like, and is more and more concerned.
In the process of implementing the technical scheme of the invention in the embodiment of the invention, the inventor of the present application finds that the above technology has at least the following technical problems:
there is not the scheme of rationally distributed water pump on the scrubbing brush under the prerequisite of sewage case setting on the scrubbing brush among the prior art, and the water pump setting is far away for the pipeline is longer, and clean effect is relatively poor, influences the user and uses comprehensively and experience, and can't compromise ground cleaning device's portability and clean effect.
Disclosure of Invention
The embodiment of the invention provides the ground cleaning device, so that the problem that the water pump is unreasonable in arrangement position in the prior art is solved, the conditions of low cleaning efficiency and poor cleaning effect are relieved, the multi-scene use requirements are met, and the technical effect of comprehensive use experience of users is further improved.
In view of the above, an embodiment of the present invention provides a floor cleaning device, including:
the device comprises a machine body, a first connecting piece and a second connecting piece, wherein the machine body is provided with a first accommodating space;
the clear water tank is detachably arranged on the machine body and used for storing cleaning liquid;
the main motor is arranged in the first accommodating space and used for providing suction for the ground cleaning device;
the floor brush is connected to the lower end of the machine body and provided with a second accommodating space, the floor brush comprises a rolling brush, and the rolling brush is arranged in the second accommodating space;
the sewage tank is arranged in the second accommodating space and used for recovering sewage;
the water pump is arranged in the second accommodating space and connected with the clean water tank, so that the cleaning liquid in the clean water tank is conveyed to the floor brush.
Further, the sewage tank is arranged behind the rolling brush, and the water pump is arranged behind the sewage tank far away from the advancing direction.
Further, the fuselage includes front side and rear side, main motor is close to the front side of fuselage, clear water tank is located the top of main motor.
Further, the clear water tank is located at the front side of the machine body.
Further, the floor brush further comprises a battery, and the battery, the clear water tank and the main motor are sequentially arranged along the lengthwise extension direction of the machine body.
Further, the battery is farther from the floor brush than the main motor.
Further, the floor cleaning device comprises an air flow channel for communicating the floor brush with the main motor, and the main motor provides suction to the floor brush through the air flow channel.
Further, the floor cleaning device comprises a water flow pipeline, the water flow pipeline is used for communicating the water pump with the floor brush, and the water pump supplies cleaning liquid in the clean water tank to the rolling brush through the water flow pipeline.
Further, the battery is disposed behind the main motor.
Further, the battery is arranged below the clean water tank.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
the present invention provides a floor cleaning device, the device comprising: the device comprises a machine body, a first connecting piece and a second connecting piece, wherein the machine body is provided with a first accommodating space; the clear water tank is detachably arranged on the machine body and used for storing cleaning liquid; the main motor is arranged in the first accommodating space and used for providing suction for the ground cleaning device; the floor brush is connected to the lower end of the machine body and provided with a second accommodating space; the rolling brush is arranged in the second accommodating space and is used for rotationally cleaning the ground; the sewage tank is arranged in the second accommodating space and used for recovering sewage; the water pump is arranged in the second accommodating space and connected with the clean water tank, so that the cleaning liquid in the clean water tank is conveyed to the floor brush. Through with the water pump set up in the second accommodation space of scrubbing brush when control clear water flow for ground cleaning device's focus concentrates on the scrubbing brush has shortened the pipeline length between water pump and the round brush, has ensured the blowout that rivers can be timely, and simultaneously, the water pump sets up on the scrubbing brush, has alleviateed the weight of fuselage, when having promoted clean efficiency and clean effect, still compromise ground cleaning device's portability, satisfies many scenes user demand, and then promotes the user and use comprehensively and experience.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of a floor cleaning apparatus according to an embodiment of the present invention;
description of reference numerals: the device comprises a machine body 10, a battery 11, a clean water tank 12, a main motor 13, a ground brush 20, a rolling brush 21, a sewage tank 22 and a water pump 23.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous details are set forth to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Technical idea
The invention provides a floor cleaning device, which solves the technical problems that flexible customer customization requirements cannot be realized in the prior art, functions cannot be customized due to the fact that the device is large and complete, an external structural scheme is basically fixed, and flexible processing cannot be realized.
In order to solve the technical problems, the technical scheme provided by the invention has the following general idea:
the technical scheme of the invention comprises the following overall devices: the device comprises a machine body, a first connecting piece and a second connecting piece, wherein the machine body is provided with a first accommodating space; the clear water tank is detachably arranged on the machine body and used for storing cleaning liquid; the main motor is arranged in the first accommodating space and used for providing suction for the ground cleaning device; the floor brush is connected to the lower end of the machine body and provided with a second accommodating space; the rolling brush is arranged in the second accommodating space and is used for rotationally cleaning the ground; the sewage tank is arranged in the second accommodating space and used for recovering sewage; the water pump is arranged in the second accommodating space and connected with the clean water tank, so that the cleaning liquid in the clean water tank is conveyed to the floor brush.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a floor cleaning device, wherein the device comprises: the body 10, the body 10 has a first accommodating space; the clean water tank 12 is detachably arranged on the machine body 10 and used for storing cleaning liquid; the main motor 13 is arranged in the first accommodating space and used for providing suction for the ground cleaning device; the floor brush 20 is connected to the lower end of the machine body 10, and the floor brush 20 is provided with a second accommodating space; the rolling brush 21 is arranged in the second accommodating space and used for rotatably cleaning the ground; the sewage tank 22 is arranged in the second accommodating space and used for recovering sewage; and the water pump 23 is arranged in the second accommodating space and is connected with the clean water tank 12, so that the cleaning liquid in the clean water tank is conveyed to the floor brush 20.
Specifically, ground cleaning device is a floor washing machine, washs ground as clean household electrical appliances, ground cleaning device includes fuselage 10, fuselage 10 has first accommodation space, holds including clear water tank 12 and main motor 13. Clear water tank 12 is located in the fuselage 10 for store the cleaning solution, like clear water, detergent, washing liquid etc. when the floor cleaning machine during operation, clear water tank 12 releases the cleaning solution of storing. The main motor 13 is disposed inside the body 10, and is used for providing suction to the floor cleaning device, so as to improve the cleaning effect of the floor cleaning device. The floor brush 20 is connected to the lower end of the body 10, and has a second receiving space for receiving the drum brush 21, the sewage tank 22, and the water pump 23. The rolling brush 21 is used for carrying out rotary cleaning treatment on the ground, so that the ground cleaning effect after cleaning is better. The sewage tank 22 is arranged in the second accommodating space and behind the rolling brush 21 and used for recovering sewage thrown out by the rolling brush 21 and preventing the sewage from polluting the ground after cleaning. The water pump 23 is disposed in the second accommodating space, and is used for pumping out the cleaning liquid in the clean water tank 12 and delivering the cleaning liquid to the rolling brush 21 according to a required flow rate, so as to wet the rolling brush 21, thereby facilitating the subsequent scrubbing of the ground. Through with the water pump set up in the second accommodation space of scrubbing brush, when control clear water flow for ground cleaning device's focus concentrates on the scrubbing brush has shortened the pipeline length between water pump 23 and the round brush 21, has ensured the blowout that rivers can be timely, and simultaneously, water pump 23 sets up on scrubbing brush 20, has alleviateed the weight of fuselage, when having promoted clean efficiency and clean effect, still compromise ground cleaning device's portability, satisfies the multi-scene user demand, and then promotes the user and use comprehensively and experience.
Further, the body 10 further includes: and the battery 11 is arranged in the first accommodating space and provides electric energy for the ground cleaning device.
Specifically, the battery 11 is a built-in battery and is disposed in the accommodating space of the body 10, and the battery 11 provides an electric power support for the floor cleaning device. The floor cleaning device is powered by a built-in battery, and is not bound by a power cord when working, so that the floor cleaning device is particularly favored by users, the portability of the floor cleaning device is ensured, and the technical effect of expanding the application range of the floor cleaning device is achieved.
In one embodiment of the present application, the sewage tank 22 is disposed at the side rear of the drum brush 21, and the water pump 23 is disposed at the rear of the sewage tank 22 away from the traveling direction. The main body 10 includes a front side and a rear side, the main motor 13 is located near the front side of the main body 10, the clean water tank 12 is located above the main motor 13, and in one embodiment, the clean water tank 12 is located at the front side of the main body 10. The floor brush 20 further comprises a battery 11, and the battery 11, the clean water tank 12 and the main motor 13 are sequentially arranged along the longitudinal extension direction of the machine body 10. The battery 11 is further away from the floor brush 20 than the main motor 13.
In one embodiment of the present application, the battery 11 is disposed above the clean water tank 12, and the main motor 13 is disposed below the clean water tank 12. So set up, main motor 13 with distance between the water pump 23 is shorter, can be in the start the short time internal startup of ground cleaning device water pump 23 has shortened the start-up time, has improved user experience.
Further, the apparatus comprises: an air flow passage for communicating the floor brush 20 with the main motor 13, the main motor 13 supplying a suction force to the floor brush 20 through the air flow passage.
Specifically, a duct, generally composed of a plurality of parts, connects the floor brush 20 and the main motor, and the air flow passage is used to communicate the floor brush 20 and the main motor 13, and the main motor 13 supplies suction force to the floor brush 20 through the air flow passage. The sewage on the rolling brush 21 after mopping is sucked into the sewage tank 22 from the suction port of the floor brush 20 so as to clean the ground and collect the sewage, thereby meeting the ground cleaning effect of the ground cleaning device.
Further, the apparatus comprises: and the water channel is used for communicating the water pump with the rolling brush, and the water pump supplies the cleaning liquid in the clean water tank to the rolling brush through the water channel.
Specifically, the water channel is used for communicating the water pump 23 with the rolling brush 21, the water pump 23 delivers the cleaning liquid in the clean water tank 12 to the rolling brush 21 on the floor brush 20 through the water channel to wet the rolling brush 21, and the floor is scrubbed by the wetted rolling brush 21. The clean water is pumped out from the clean water tank 12 through the water pump, the flow speed of the clean water is controlled, the cleaning efficiency and the cleaning effect are improved, and the technical effect of comprehensive use experience of a user is further improved.
In another embodiment, the battery 11 is disposed behind the main motor 13. The battery 11 is disposed below the clean water tank 12.
In order to explain the technical scheme of the floor cleaning device more clearly, the embodiment of the application provides a using method of the floor cleaning device, which comprises the following specific steps:
when the ground cleaning device cleans the ground, the battery 11 provides electric quantity for the ground cleaning device, the main motor 13 provides suction for the ground cleaning device, the main motor 13 drives the water pump 23 to work in a short time under the electric drive of the main motor, the clean water tank 12 releases the stored clean water, the water pump 23 is used for controlling the flow of the clean water in the clean water tank 12, the clean water flows to the floor brush 30 to clean the ground, and the cleaned sewage is stored in the floor brush 20 to avoid polluting the cleaned ground. Reach and promote clean efficiency and clean effect, guarantee cleaning device's portability, and then promote the user and use the technological effect of experience comprehensively.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A floor cleaning device, characterized in that the floor cleaning device comprises:
the device comprises a machine body, a first connecting piece and a second connecting piece, wherein the machine body is provided with a first accommodating space;
the clear water tank is detachably arranged on the machine body and used for storing cleaning liquid;
the main motor is arranged in the first accommodating space and used for providing suction for the ground cleaning device;
the floor brush is connected to the lower end of the machine body and provided with a second accommodating space, the floor brush comprises a rolling brush, and the rolling brush is arranged in the second accommodating space;
the sewage tank is arranged in the second accommodating space and used for recovering sewage;
the water pump is arranged in the second accommodating space and connected with the clean water tank, so that the cleaning liquid in the clean water tank is conveyed to the floor brush.
2. A floor cleaning apparatus as claimed in claim 1, characterized in that the sump is arranged laterally behind the roller brush and the pump is arranged behind the sump away from the direction of travel.
3. The floor scrubbing apparatus of claim 1, wherein said body includes a front side and a rear side, said main motor is adjacent said front side of said body, and said clean water tank is located above said main motor.
4. The floor scrubbing apparatus of claim 3, wherein said clean water tank is located on a front side of said body.
5. The floor scrubbing apparatus of claim 1, wherein said floor brush further comprises a battery, said battery, clean water tank, and main motor being arranged in sequence along a lengthwise extension of said body.
6. The floor scrubbing apparatus of claim 5, wherein said battery is spaced further from said floor brush than said main motor.
7. A floor cleaning apparatus according to claim 1, comprising an airflow passage for communicating the floor brush with the main motor, the main motor providing suction to the floor brush through the airflow passage.
8. A floor cleaning apparatus according to claim 1, comprising a water flow conduit for communicating the water pump with the floor brush, the water pump supplying cleaning liquid from the cleaning tank to the roller brush via the water flow conduit.
9. A floor cleaning apparatus according to claim 8, wherein the battery is provided behind the main motor.
10. A floor cleaning apparatus according to claim 9 wherein the battery is disposed below the clean water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146054.5A CN113749581A (en) | 2021-09-28 | 2021-09-28 | Ground cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146054.5A CN113749581A (en) | 2021-09-28 | 2021-09-28 | Ground cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113749581A true CN113749581A (en) | 2021-12-07 |
Family
ID=78798040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111146054.5A Pending CN113749581A (en) | 2021-09-28 | 2021-09-28 | Ground cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113749581A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115553669A (en) * | 2022-07-27 | 2023-01-03 | 杰之深(苏州)科技有限公司 | Portable floor cleaning machine |
| CN117600123A (en) * | 2023-12-14 | 2024-02-27 | 三门核电有限公司 | Device and method for cleaning flange sealing surface of reactor pressure vessel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107495904A (en) * | 2017-10-14 | 2017-12-22 | 苏州德莱电器有限公司 | Floor surface washing machine |
| US20180228331A1 (en) * | 2015-10-12 | 2018-08-16 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning machine |
| CN209463915U (en) * | 2017-11-30 | 2019-10-08 | 碧洁家庭护理有限公司 | surface cleaning equipment |
| TWM587505U (en) * | 2019-05-24 | 2019-12-11 | 自由居家有限公司 | A floor cleaning device |
| CN111000502A (en) * | 2019-12-18 | 2020-04-14 | 苏州凯丽达电器有限公司 | Floor brush assembly and vertical cleaning machine with same |
-
2021
- 2021-09-28 CN CN202111146054.5A patent/CN113749581A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180228331A1 (en) * | 2015-10-12 | 2018-08-16 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning machine |
| CN107495904A (en) * | 2017-10-14 | 2017-12-22 | 苏州德莱电器有限公司 | Floor surface washing machine |
| CN209463915U (en) * | 2017-11-30 | 2019-10-08 | 碧洁家庭护理有限公司 | surface cleaning equipment |
| TWM587505U (en) * | 2019-05-24 | 2019-12-11 | 自由居家有限公司 | A floor cleaning device |
| CN111000502A (en) * | 2019-12-18 | 2020-04-14 | 苏州凯丽达电器有限公司 | Floor brush assembly and vertical cleaning machine with same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115553669A (en) * | 2022-07-27 | 2023-01-03 | 杰之深(苏州)科技有限公司 | Portable floor cleaning machine |
| CN117600123A (en) * | 2023-12-14 | 2024-02-27 | 三门核电有限公司 | Device and method for cleaning flange sealing surface of reactor pressure vessel |
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Application publication date: 20211207 |