CN108968820A - A kind of home-use sweeping robot - Google Patents
A kind of home-use sweeping robot Download PDFInfo
- Publication number
- CN108968820A CN108968820A CN201810838155.0A CN201810838155A CN108968820A CN 108968820 A CN108968820 A CN 108968820A CN 201810838155 A CN201810838155 A CN 201810838155A CN 108968820 A CN108968820 A CN 108968820A
- Authority
- CN
- China
- Prior art keywords
- sweeping robot
- main body
- sweeping
- fixedly installed
- home
- 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.)
- Pending
Links
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
- A47L11/40—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
- A47L11/4077—Skirts or splash guards
-
- 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
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
- A47L2201/04—Automatic control of the travelling movement; Automatic obstacle detection
Abstract
The invention discloses a kind of home-use sweeping robots, including sweeping robot main body, the upper end outer surface of the sweeping robot main body is equipped with top cover, the upper end outer surface of the top cover is fixedly installed with start button and air wetting seat, and air wetting seat is located at the side of start button, upper end inner surface through the air wetting seat is equipped with humidifying spraying nozzle, the outer surface of the sweeping robot main body is fixedly installed with anticollision cushion close to front position, and one side position of lower end outer surface of the sweeping robot main body is fixedly installed with right pulley.A kind of home-use sweeping robot of the present invention; equipped with humidifying spraying nozzle, anticollision cushion and high efficiency and heat radiation fan; can have the effect of humidifying air and depositing dust; and damaged in collision can be prevented; prolong the service life, and can effectively radiate to inside, the ground row flash baking to having swept; the protective value for improving sweeping robot brings better prospect of the application.
Description
Technical field
The present invention relates to robot fields, and in particular to a kind of home-use sweeping robot.
Background technique
Home-use sweeping robot is a kind of intelligentized Furniture electric appliance for sweeping the floor to ground, and major advantage is solution
People's both hands are put, it is easy to operate, it is small in size, it is easy to carry, and be prevalent in during various families sweep the floor, have preferable
Using effect, be more suitable when in use relative to general home-use sweeping robot；Existing home-use machine of sweeping the floor
There are certain drawbacks when in use in people, can not humidifying air and depositing dust function, and be easy to cause damaged in collision problem, and
High efficiency and heat radiation can not be carried out to inside, prevent ground from being rapidly achieved drying effect, to the use of home-use sweeping robot
Certain influence is brought, for this purpose, it is proposed that a kind of home-use sweeping robot.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a kind of home-use sweeping robot.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of home-use sweeping robot of the present invention, including sweeping robot main body, the sweeping robot main body it is upper
Outer surface is held to be equipped with top cover, the upper end outer surface of the top cover is fixedly installed with start button and air wetting seat, and air adds
Wet seat is located at the side of start button, and the upper end inner surface through the air wetting seat is equipped with humidifying spraying nozzle, described to sweep the floor
The outer surface of robot body is fixedly installed with anticollision cushion close to front position, outside the lower end of the sweeping robot main body
One side position of surface is fixedly installed with right pulley, and the lower end outer surface other side of sweeping robot main body is fixedly installed with left cunning
Wheel, the lower end outer surface of the sweeping robot main body is fixedly installed with universal wheel and hairbrush of sweeping the floor close to front position, and sweeps
Ground hairbrush is located at the side of universal wheel, and the lower end outer surface of the sweeping robot main body is fixedly installed with close to back-end location drags
Cloth and high efficiency and heat radiation fan, and high efficiency and heat radiation fan is located at the upper end of mop, the lower end outer surface of the sweeping robot main body
It is fixedly installed with suction inlet and battery compartment close to middle position, and suction inlet is located at the front end of battery compartment, the anticollision is slow
The inner surface of punching pad is equipped with spring, and the inner surface of the sweeping robot main body is equipped with water storage case and dust collection box, and dust
Collection box is located at the front end of water storage case, and the rear end of the water storage case is fixedly installed with air blower.
Preferably, the top cover is connect with sweeping robot subject activity, and the outer surface of top cover is set close to a side position
There is buckle, the top cover and the outer surface of sweeping robot main body are coated with waterproof coating.
Preferably, the humidifying spraying nozzle is fixedly connected with air wetting seat, and the shape of air wetting seat is cylindrical body.
Preferably, the spring is flexibly connected with anticollision cushion, and the quantity of spring is several groups, the anticollision buffering
The leading exterior surface of pad indicates equipped with logo.
Preferably, the quantity of the hairbrush of sweeping the floor is two groups, and the inner surface for hairbrush of sweeping the floor is equipped with shaft, and described two groups are swept
Ground hairbrush is in arranged in parallel.
Preferably, the quantity of the high efficiency and heat radiation fan is two groups, and the inner surface of two groups of high efficiency and heat radiation fans is equipped with
Shaft and flabellum.
The beneficial effects obtained by the present invention are as follows being: the home-use sweeping robot passes through the humidifying spraying nozzle of setting, Ke Yitong
It crosses air wetting seat and humidifying spraying nozzle cooperates, humidifying air and drop can be carried out into air by the water mist that humidifying spraying nozzle sprays
The effect of dirt, by the anticollision cushion of setting, can pass through anticollision cushion using more properly in dry air-conditioned room
Cooperate with spring, can inevitably reel in sweeping robot work, it, can be preferably to sweeping using the elastomeric property of spring
Floor-washing robot is protected, and damaged in collision is prevented, and is prolonged the service life, and by the high efficiency and heat radiation fan of setting, can use height
The fan revolution of radiator fan is imitated to improve the radiating efficiency inside sweeping robot, internal heat is directly shed to ground
Face can carry out the effect of flash baking to the ground swept, after preventing sweeping robot from sweeping the floor because caused by water is not dry child it is old
The case where people slides into improves the protective value of sweeping robot, entire home-use sweeping robot, easy to operate, makes
Effect is more preferable relative to traditional approach.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is rearview of the invention.
Fig. 3 is anticollision internal cushion structure chart of the invention.
Fig. 4 is sweeping robot body interior structure chart of the invention.
In figure: 1, sweeping robot main body；2, top cover；3, start button；4, air wetting seat；5, humidifying spraying nozzle；6, prevent
Hit cushion；7, right pulley；8, left chain wheel；9, universal wheel；10, it sweeps the floor hairbrush；11, suction inlet；12, battery compartment；13, it drags
Cloth；14, high efficiency and heat radiation fan；15, spring；16, water storage case；17, dust collection box；18, air blower.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1
As shown in Figs 1-4, a kind of home-use sweeping robot, including sweeping robot main body 1, sweeping robot main body 1
Upper end outer surface be equipped with top cover 2, the upper end outer surface of top cover 2 is fixedly installed with start button 3 and air wetting seat 4, and empty
Gas humidification seat 4 is located at the side of start button 3, and the upper end inner surface through air wetting seat 4 is equipped with humidifying spraying nozzle 5, sweeps the floor
The outer surface of robot body 1 is fixedly installed with anticollision cushion 6 close to front position, outside the lower end of sweeping robot main body 1
One side position of surface is fixedly installed with right pulley 7, and the lower end outer surface other side of sweeping robot main body 1 is fixedly installed with a left side
Pulley 8, the lower end outer surface of sweeping robot main body 1 are fixedly installed with universal wheel 9 and hairbrush 10 of sweeping the floor close to front position, and
Hairbrush 10 of sweeping the floor is located at the side of universal wheel 9, and the lower end outer surface of sweeping robot main body 1 is fixedly installed with close to back-end location
Mop 13 and high efficiency and heat radiation fan 14, and high efficiency and heat radiation fan 14 is located at the upper end of mop 13, the lower end of sweeping robot main body 1
Before outer surface is fixedly installed with suction inlet 11 and battery compartment 12 close to middle position, and suction inlet 11 is located at battery compartment 12
End, the inner surface of anticollision cushion 6 are equipped with spring 15, and the inner surface of sweeping robot main body 1 is equipped with water storage case 16 and dust is received
Collect box 17, and dust collection box 17 is located at the front end of water storage case 16, the rear end of water storage case 16 is fixedly installed with air blower 18；
Top cover 2 is flexibly connected with sweeping robot main body 1, and the outer surface of top cover 2 is equipped with buckle, top close to a side position
The outer surface of lid 2 and sweeping robot main body 1 is coated with waterproof coating；Humidifying spraying nozzle 5 is fixedly connected with air wetting seat 4, and
The shape of air wetting seat 4 is cylindrical body；Spring 15 is flexibly connected with anticollision cushion 6, and the quantity of spring 15 is several groups,
The leading exterior surface of anticollision cushion 6 indicates equipped with logo；The quantity of hairbrush 10 of sweeping the floor is two groups, and the interior table for hairbrush 10 of sweeping the floor
Face is equipped with shaft, and two groups of hairbrush 10 of sweeping the floor are in arranged in parallel；The quantity of high efficiency and heat radiation fan 14 is two groups, and two groups of high efficiency and heat radiations
The inner surface of fan 14 is equipped with shaft and flabellum.
It should be noted that the present invention is a kind of home-use sweeping robot, when in use, sweeping robot main body first
The power interface of 1 appearance surface rear end, power interface connect upper exterior power supply, output end and the battery compartment 12 of power interface
Input terminal is electrically connected, and is equipped with two group storage batteries inside battery compartment 12 after exterior power supply in connection and is started electric power storage, can be according to reality
Two group storage batteries fill by border situation receives certain electricity, after two group storage batteries are powered, air blower 18, high efficiency and heat radiation fan 14
It is electrically connected with the input terminal of start button 3 and the output end of two group storage batteries, presses start button 3, machine of sweeping the floor can be passed through
The remote controler that the line control board that the inside of human agent 1 is equipped with matches same model operates, line control board and battery
It is electrically connected, three groups of stepper motors is controlled respectively by controlling line control board, to reach control left chain wheel 7 and the right side
Pulley 8 and universal wheel 9 work, and two groups of hairbrush 10 of sweeping the floor pass through the shaft being equipped with and are attached with two groups of stepper motors, walk
Two groups of hairbrush 10 of sweeping the floor are driven to carry out rotation work into motor rotation, sweeping robot is by dust rubbish inswept on ground, so
Dust is sucked into dust collection box 17 by the characteristic for the sucking air having afterwards using air blower 18 by suction inlet 11, left
Pulley 7 works with right pulley 8 and universal wheel 9, then mop 13 is driven to carry out mopping up work, can will be stored up by air blower 18
Water in water box 16 is blown into air wetting seat 4, and the upper end outer surface of humidifying spraying nozzle 5 offers several groups apopore, is passed through
Humidifying spraying nozzle 5 in air wetting seat 4 spray the effect of water mist, then reaches the effect that humidification and depositing dust are carried out to air
Fruit can be cooperated by anticollision cushion 6 and the internal spring 15 being equipped with, can inevitably be reeled in sweeping robot work,
Using the elastomeric property of spring 15, preferably sweeping robot is protected, prevents damaged in collision, is prolonged the service life,
Can use the shaft in high efficiency and heat radiation fan 14 drives flabellum to work, and the revolving speed of electric fan is 1500, utilizes revolution
The radiating efficiency inside sweeping robot is improved, internal heat is directly shed to ground, the ground swept can be carried out
The effect of flash baking, after preventing sweeping robot from sweeping the floor because water it is not dry caused by child old man slide into the case where, improve
The protective value of sweeping robot, entire home-use sweeping robot is easy to operate, easy to use, more practical.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of home-use sweeping robot, including sweeping robot main body (1), it is characterised in that: the sweeping robot master
The upper end outer surface of body (1) is equipped with top cover (2), and the upper end outer surface of the top cover (2) is fixedly installed with start button (3) and sky
Gas humidifies seat (4), and air wetting seat (4) is located at the side of start button (3), through the upper of the air wetting seat (4)
Inner surface is held to be equipped with humidifying spraying nozzle (5), the outer surface of the sweeping robot main body (1) is fixedly installed with anti-close to front position
It hits cushion (6), one side position of lower end outer surface of the sweeping robot main body (1) is fixedly installed with right pulley (7), and sweeps
The lower end outer surface other side of floor-washing robot main body (1) is fixedly installed with left chain wheel (8), the sweeping robot main body (1)
Lower end outer surface is fixedly installed with universal wheel (9) and hairbrush of sweeping the floor (10) close to front position, and hairbrush of sweeping the floor (10) is located at ten thousand
To the side of wheel (9), the lower end outer surface of the sweeping robot main body (1) is fixedly installed with mop (13) close to back-end location
With high efficiency and heat radiation fan (14), and high efficiency and heat radiation fan (14) is located at the upper end of mop (13), the sweeping robot main body (1)
Lower end outer surface be fixedly installed with suction inlet (11) and battery compartment (12) close to middle position, and suction inlet (11) is located at and stores
The inner surface of the front end of battery compartment (12), the anticollision cushion (6) is equipped with spring (15), the sweeping robot main body (1)
Inner surface be equipped with water storage case (16) and dust collection box (17), and dust collection box (17) is located at the front end of water storage case (16),
The rear end of the water storage case (16) is fixedly installed with air blower (18).
2. a kind of home-use sweeping robot according to claim 1, it is characterised in that: the top cover (2) and sweeper
Device human agent (1) is flexibly connected, and the outer surface of top cover (2) is equipped with buckle, the top cover (2) and sweeper close to a side position
The outer surface of device human agent (1) is coated with waterproof coating.
3. a kind of home-use sweeping robot according to claim 1, it is characterised in that: the humidifying spraying nozzle (5) and sky
Gas humidification seat (4) is fixedly connected, and the shape of air wetting seat (4) is cylindrical body.
4. a kind of home-use sweeping robot according to claim 1, it is characterised in that: the spring (15) and anticollision are slow
Punching pad (6) is flexibly connected, and the quantity of spring (15) is several groups, and the leading exterior surface of the anticollision cushion (6) is equipped with
Logo mark.
5. a kind of home-use sweeping robot according to claim 1, it is characterised in that: the number of the hairbrush of sweeping the floor (10)
Amount is two groups, and the inner surface of hairbrush of sweeping the floor (10) is equipped with shaft, and two groups of hairbrush of sweeping the floor (10) are in arranged in parallel.
6. a kind of home-use sweeping robot according to claim 1, it is characterised in that: the high efficiency and heat radiation fan (14)
Quantity be two groups, and the inner surface of two groups of high efficiency and heat radiation fans (14) is equipped with shaft and flabellum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838155.0A CN108968820A (en) | 2018-07-26 | 2018-07-26 | A kind of home-use sweeping robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838155.0A CN108968820A (en) | 2018-07-26 | 2018-07-26 | A kind of home-use sweeping robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108968820A true CN108968820A (en) | 2018-12-11 |
Family
ID=64551151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810838155.0A Pending CN108968820A (en) | 2018-07-26 | 2018-07-26 | A kind of home-use sweeping robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108968820A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998425A (en) * | 2019-04-12 | 2019-07-12 | 赵洁 | A kind of automation sweeping robot of infrared induction |
| CN110013198A (en) * | 2019-05-09 | 2019-07-16 | 金华市三昱科技有限公司 | A kind of sweeping robot of replaceable bottom purge mechanism |
| CN112656305A (en) * | 2020-12-17 | 2021-04-16 | 芜湖质勉信息科技有限公司 | Intelligent mobile robot capable of avoiding obstacles independently based on ant colony algorithm |
| CN114521830A (en) * | 2022-01-07 | 2022-05-24 | 山东卓远装饰材料有限公司 | Intelligent floor sweeping robot with quick-detachable machine head |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337469A (en) * | 2013-07-24 | 2015-02-11 | 株式会社玛纽尔 | Wet cloth cleaning robot |
| CN105662284A (en) * | 2016-03-01 | 2016-06-15 | 常州信息职业技术学院 | Intelligent mobile steward based on Internet of Things and working method thereof |
| CN105662280A (en) * | 2016-02-14 | 2016-06-15 | 福玛特（北京）机器人科技股份有限公司 | Cleaning robot |
| CN107080502A (en) * | 2017-06-16 | 2017-08-22 | 杭州匠龙机器人科技有限公司 | Intelligent cleaning robot system |
| CA3020596A1 (en) * | 2016-04-20 | 2017-10-26 | Lely Patent N.V. | Autonomous vehicle with bumper device |
| CN107397510A (en) * | 2017-08-22 | 2017-11-28 | 安徽风向标清洁设备有限公司 | Sweeper |
| CN107854057A (en) * | 2017-11-23 | 2018-03-30 | 长兴曼尔申机械科技有限公司 | A kind of house humidifies self-propelled cleaner |
-
2018
- 2018-07-26 CN CN201810838155.0A patent/CN108968820A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337469A (en) * | 2013-07-24 | 2015-02-11 | 株式会社玛纽尔 | Wet cloth cleaning robot |
| CN105662280A (en) * | 2016-02-14 | 2016-06-15 | 福玛特（北京）机器人科技股份有限公司 | Cleaning robot |
| CN105662284A (en) * | 2016-03-01 | 2016-06-15 | 常州信息职业技术学院 | Intelligent mobile steward based on Internet of Things and working method thereof |
| CA3020596A1 (en) * | 2016-04-20 | 2017-10-26 | Lely Patent N.V. | Autonomous vehicle with bumper device |
| CN107080502A (en) * | 2017-06-16 | 2017-08-22 | 杭州匠龙机器人科技有限公司 | Intelligent cleaning robot system |
| CN107397510A (en) * | 2017-08-22 | 2017-11-28 | 安徽风向标清洁设备有限公司 | Sweeper |
| CN107854057A (en) * | 2017-11-23 | 2018-03-30 | 长兴曼尔申机械科技有限公司 | A kind of house humidifies self-propelled cleaner |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998425A (en) * | 2019-04-12 | 2019-07-12 | 赵洁 | A kind of automation sweeping robot of infrared induction |
| CN109998425B (en) * | 2019-04-12 | 2020-11-20 | 温州焕宏纺织品有限公司 | Infrared induction automatic floor sweeping robot |
| CN110013198A (en) * | 2019-05-09 | 2019-07-16 | 金华市三昱科技有限公司 | A kind of sweeping robot of replaceable bottom purge mechanism |
| CN110013198B (en) * | 2019-05-09 | 2021-06-15 | 浙江浩岚投资有限公司 | Floor sweeping robot with replaceable bottom sweeping mechanism |
| CN112656305A (en) * | 2020-12-17 | 2021-04-16 | 芜湖质勉信息科技有限公司 | Intelligent mobile robot capable of avoiding obstacles independently based on ant colony algorithm |
| CN112656305B (en) * | 2020-12-17 | 2022-03-25 | 曹伯燕 | Intelligent mobile robot capable of avoiding obstacles independently based on ant colony algorithm |
| CN114521830A (en) * | 2022-01-07 | 2022-05-24 | 山东卓远装饰材料有限公司 | Intelligent floor sweeping robot with quick-detachable machine head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108968820A (en) | A kind of home-use sweeping robot | |
| CN210493958U (en) | Household mopping and sweeping machine | |
| CN207770359U (en) | A kind of electric cleaner of ground installation photovoltaic battery panel | |
| JPH03162814A (en) | Cleaner | |
| CN111973070B (en) | Noiseless suction adjusting device of robot sweeps floor | |
| CN108968830A (en) | A kind of drag automatically sweeps all-in-one machine and its application method | |
| CN108814456A (en) | A kind of intelligent sweeping robot | |
| US6125500A (en) | Combination swing broom and vacuum cleaner assembly | |
| CN108553035A (en) | A kind of cleaning device applied in cleaning equipment | |
| CN107890326A (en) | A kind of novel household cleaning device | |
| CN109171570A (en) | One kind is swept the floor the integrated robot that mops floor | |
| CN104490349B (en) | A kind of floor cleaner | |
| CN209437168U (en) | A kind of sweeping robot | |
| CN108175336A (en) | Intelligent passageway cleaning device | |
| CN215424437U (en) | Self-cleaning system | |
| CN106253834B (en) | Mobile device frame and the photovoltaic board cleaning device using the mobile device frame | |
| CN204744000U (en) | Remote control cleaning cart | |
| CN209003835U (en) | A kind of sweeping robot that balance is good | |
| CN215191221U (en) | Double-circuit full-automatic glass wiping and sweeping integrated robot | |
| CN108620361A (en) | A kind of teaching computer floor keyboard clean equipment | |
| CN206534594U (en) | Clean robot | |
| CN211308063U (en) | Dust-absorbing and spraying blackboard eraser | |
| CN207413946U (en) | A kind of central air conditioning cleaning robot | |
| CN208940666U (en) | A kind of cleaning machine with air duct switching | |
| CN201824738U (en) | Dust suction-type electric blackboard eraser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |