CN208926226U - A kind of sweeping robot - Google Patents

A kind of sweeping robot Download PDF

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Publication number
CN208926226U
CN208926226U CN201821249647.8U CN201821249647U CN208926226U CN 208926226 U CN208926226 U CN 208926226U CN 201821249647 U CN201821249647 U CN 201821249647U CN 208926226 U CN208926226 U CN 208926226U
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CN
China
Prior art keywords
clean body
host
upper cover
mounting disc
cleaning head
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.)
Expired - Fee Related
Application number
CN201821249647.8U
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Chinese (zh)
Inventor
阳珉
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Individual
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Individual
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Publication date
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Priority to CN201821249647.8U priority Critical patent/CN208926226U/en
Application granted granted Critical
Publication of CN208926226U publication Critical patent/CN208926226U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of sweeping robots, including host, the dust exhaust apparatus being set to inside host, the opposite mounting disc in two direction of rotation being arranged below host, the center of mounting disc is equipped with hollow central axis, the lower section of mounting disc is equipped with dismountable cleaning head, cleaning head includes upper cover, upper cover center is equipped with the air suction opening cooperated with sweep-up pipe, the lower section of upper cover is provided at circumferentially spaced multiple radially extend and downwardly convex clean body centered on the air suction opening, the lower surface of the clean body is contacted with surface to be cleaned, surface to be cleaned is wiped across in a rotative pattern, adjacent clean body and upper cover, space between surface to be cleaned constitutes dust absorbing air passage, foul is inhaled into air suction opening by dust absorbing air passage, using in central axis respirable dust device, the utility model, which has to sweep, drags suction one, cleaning efficiency is high, the good spy of cleaning effect Point.

Description

A kind of sweeping robot
Technical field
The utility model relates to burnisher field more particularly to a kind of sweeping robots (also referred to as intellective dust collector).
Background technique
In the prior art, Household floor-sweeping machine device people generallys use side brush and round brush is swept the floor, the mode of suction inlet dust suction into Row cleaning, but side brush and round brush are only applicable to sweep the floor, and can not mop floor, can not remove ground stain and sewage.In addition, side Brush rotation lashes ground and dirt wadding is easily caused to fly upward, and causes room air secondary pollution, is also easy to sweep everywhere by particle rubbish It is that round brush is located in the air intake passage of suction inlet, air intake passage can be stopped, reduce suction, increases dust suction noise, and daily In use process, hair is easy to be wrapped in side brush, on round brush, not only influences cleaning effect, but also may cause host can not Use even damage.
And in Chinese patent 201210446511.7, a kind of brush of clean robot is disclosed, the ring in brush Shape is provided with a plurality of continuous or discontinuous curved shape plate convergence, and at least one of bristle, brushing piece or swipe, brush are arranged on disk width When disc spins, bristle, brushing piece or swipe be in centripetal rotation, clear up rubbish and suction brush disk center suction inlet.But curved brush Hair, brushing piece or swipe increase manufacture complexity, increase manufacturing cost;As the brush with dust-absorbing function, bending is even Discontinuous air intake passage not necessarily, since air inlet distance increases, in addition having biggish leeward, increases air inlet resistance Power reduces pick-up performance;In addition, in the scheme that the patent provides, brush is single brush or multiple brush rotating Vortexes, But for the torsion for overcoming rotation to generate, brush needs to use in pairs, and direction of rotation needs on the contrary, otherwise will cause manipulation Difficulty is made if the curved direction of curve plate convergence of brush needs different in pairs using the opposite brush in direction of rotation again At the inconvenience of manufacture and installation.
Summary of the invention
The purpose of the utility model is to provide a kind of sweeping robot, ground can be wiped across, removes ground stain, and by rubbish Rubbish is absorbed, and is reduced room air secondary pollution caused by cleaning dust absorption process, is not easy to wind hair, is had and is preferably wiped across and inhale Dirt effect drags suction one, it can be achieved that sweeping.
To achieve the above object, the utility model uses a kind of following technical scheme: sweeping robot, including host, sets The dust exhaust apparatus being placed in inside host, the host lower section setting mounting disc opposite there are two direction of rotation, the mounting disc Center be equipped with hollow central axis, the upper end of the central axis protrudes into inside the host, is driven by the motor in host It is dynamic to rotate, it is provided with dismountable cleaning head below the mounting disc, the cleaning head includes upper cover, the upper cover centre bit Install and be equipped with air suction opening, the lower section of the upper cover be provided at circumferentially spaced centered on the air suction opening it is multiple radially extend and to The clean body of lower convexity, the clean body are wiped material by flexibility and are constituted, and the lower surface of the clean body is contacted with surface to be cleaned, with rotation The mode of turning wipes across surface to be cleaned, and the space between adjacent clean body and upper cover, surface to be cleaned constitutes dust absorbing air passage, and foul passes through institute It states dust absorbing air passage and is inhaled into the air suction opening, sucked in the dust exhaust apparatus using the central axis.
The beneficial effects of the utility model essentially consist in: the opposite mounting disc in two direction of rotation can overcome mounting disc The torsion that lower section cleaning head and ground friction generate, cleaning head are provided at circumferentially spaced and downwardly convex in rotary work Clean body bottom surface can wipe across surface to be cleaned, and there is the clean body radially extended shortest air inlet distance and lesser air inlet to hinder Power, the side edge of clean body, which has surface to be cleaned, strikes off effect, and side brush rotation can be overcome to take out and hit ground, be easy to raise dirt Wadding, the shortcomings that can not removing to ground stain, cleaning head and ground contact portion do not have shaft, will not wind hair, clean body Material is wiped for flexibility to constitute, and dust adhesion can be made in clean body, reduce room air two caused by fine dusts with Wet-dry Secondary pollution;The semiclosed dust absorbing air passage that space between adjacent clean body and upper cover, surface to be cleaned is constituted, in rotation when work State increases suction range, while having lesser incoming air area again, and air intake resistance is small, and only the lesser suction of need is Foul can be sucked air suction opening;It sweeps and drags suction function that can realize by the cleaning head, realization, which is swept, drags suction one.
In the preferred embodiment of the utility model, the central axis inner cavity is equipped with and does not rotate, and connects with the dust exhaust apparatus Logical sweep-up pipe.The beneficial effect is that: the sweep-up pipe not rotated is set in central axis inner cavity, sweep-up pipe can be made to enter as far as possible Mouth prevents the junction gas leakage of sweep-up pipe and rotatable parts close to the air suction opening.
In the preferred embodiment of the utility model, there are two traveling wheels for setting below the host, and the traveling wheel is in step Into under the driving of motor, host is pushed to advance and turn, the cleaning head plays substitution universal wheel while wiping across ground Effect.The beneficial effect is that: when cleaning head work, generated due to the opposite cleaning head in two direction of rotation with ground friction Torsion offsets each other, and cleaning head is smaller in the resistance of ground moving, can be readily mobile to any direction, can substitute and sweep the floor The usually used universal wheel of robot plays the role of supporting host and assisted diversion, reduces components, reduce manufacture at This.
In the preferred embodiment of the utility model, two mounting discs respectively by a stepper motor driving rotation, pass through The stepper motor differential speed rotation is controlled, realizes that host twisting advances or turns.The beneficial effect is that: by controlling two steppings Motor rotates at different rates, realizes that host twisting advances or turns, does not need the commonly used walking of sweeping robot Wheel and universal wheel, simplify structure, reduce components, reduce manufacturing cost.
In the preferred embodiment of the utility model, the lower surface of the clean body is fan-shaped or fan annular.Its advantages It is: fans annular clean body dust absorbing air passage opening greatly, enter convenient for foul, dust absorbing air passage ecto-entad is gradually reduced, and has smaller Air intake resistance;The dust absorbing air passage inboard of fan-shaped clean body can possess biggish inlet area at air suction opening, and it is proper to make The biggish foul of product is able to enter air suction opening.
In the preferred embodiment of the utility model, the upper cover and clean body are that collodion is constituted, under the clean body Surface is equipped with tooth socket, and the upper cover is equipped with hole or the slot of installation, and the lower section of the mounting disc is equipped with to be cooperated with the hole or slot Fixing piece, the fixing piece is inserted into the hole or slot, cleaning head is fixed below mounting disc.The beneficial effect is that: glue Cotton has stronger water imbibition and wearability, and surface is fine and smooth, is bonded with ground closely, cleaning effect is preferable, in the following table of collodion Face, which is equipped with tooth socket, can further enhance cleaning effect, while prevent collodion and contact area of ground excessive, and frictional force is too strong, leads Cause cleaning head rotation difficult, since mounting disc and cleaning head are equipped with the installation fixing piece worked in coordination and hole or slot, cleaning Head does not need additional material and is used to be fixed in below mounting disc, can save cost, more environmentally friendly yet.
In the preferred embodiment of the utility model, the upper cover and clean body are sponge composition, the following table of the clean body Face is equipped with wiper, and the lower surface of the upper surface of the upper cover and the mounting disc is equipped with velcro, and the cleaning head utilizes magic Patch is installed below the mounting disc.The beneficial effect is that: sponge material has preferable water imbibition, and will not damage furniture, clearly Rear water wring is washed to be easy, and the wiper of clean body lower surface setting can prevent sponge from wearing, and play better cleaning action, may be used also With Wet-dry, velcro, which can be convenient, efficiently to be combined cleaning head and mounting disc and separates, convenient for changing clothes cleaning head.
In the preferred embodiment of the utility model, there is the inclined-plane or arc being upturned on the outside of the lower surface of the clean body Face.The beneficial effect is that: when there is short obstacle on ground, the inclined-plane or cambered surface that are upturned on the outside of the lower surface of the clean body The cleaning head crossing over blockage can be guided, prevents the cleaning head from being stopped by obstacle.
In the preferred embodiment of the utility model, at least one side edge of the clean body towards the dust absorbing air passage is equipped with The scraping article contacted with surface to be cleaned.The beneficial effect is that: when the material of clean body and ground contact portion is fabric, with ground Face paste close defective tightness, on wet ground hair and stain cleaning effect it is poor, ground is easy to leave circle shape water Trace;Such as clean body material is collodion or when rubber is bonded close material with ground, and will cause and ground friction resistance mistake Greatly, cleaning head rotation is difficult;And scraping article is arranged at clean body edge in preferred embodiment, scraping article and contact area of ground are little, resistance It is smaller, but can play the role of preferably striking off, scraping article is located at the side of clean body, can protect clean body main part, increases Add service life, while enhancing air-tightness, improvement pick-up performance, and the part that clean body is made of fabric, it can absorb water And wet ground is wiped across, foul is adhered to, and play the role of supporting fixed scraping article.
In the preferred embodiment of the utility model, in the bottom of the host, the rear of the mounting disc is equipped with detachable Wiper.The beneficial effect is that: cleaning effect can be further enhanced.
Detailed description of the invention
Fig. 1 is the bottom view of the utility model embodiment 1;
Fig. 2 is the visual angle figure obliquely downward of the utility model embodiment 1;
Fig. 3 is the partial sectional view of the utility model embodiment 1;
Fig. 4 is the decomposition diagram of the utility model embodiment 1;
Fig. 5 is the bottom view of the utility model embodiment 2;
Fig. 6 is the bottom view of the utility model embodiment 3;
Fig. 7 is the visual angle figure obliquely downward of the utility model embodiment 3;
Fig. 8 is a kind of sponge material cleaning head structural schematic diagram of the utility model;
Fig. 9 is a kind of collodion material cleaning head bottom view of the utility model;
Figure 10 is a kind of collodion material cleaning head structural schematic diagram of the utility model;
Figure 11 is that a kind of lower surface of clean body of the utility model is fan-shaped cleaning head bottom view.
Specific embodiment
The technical solution of the utility model is illustrated with embodiment with reference to the accompanying drawing.
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a preferred embodiment of the utility model includes host 10, if The dust exhaust apparatus 26 being placed in inside host, the opposite mounting disc 20 in two direction of rotation that host lower section is arranged, the mounting disc 20 center is equipped with hollow central axis 21, and the bottom case that the upper end of the central axis 21 passes through host 10 enters host 10 Inside is connected to by two sweep-up pipes not rotated 25 with dust exhaust apparatus 26, and two sweep-up pipes 25 can be inserted into two centers respectively Reduction friction is played in the central axis 21 and the static settable sliding bearing in 25 junction of sweep-up pipe of rotation in the inner cavity of axis 21 With the effect of dynamic sealing, in 21 upper end periphery of central axis, equipped with the plain thrust bearing 24 for bearing axial load, motor 15 passes through Bevel gear or worm and wormwheel driving central axis 21 rotate, and worm gear preferably is arranged in the periphery of central axis 21 in the present embodiment 23, motor 15 drives worm gear 23 by worm screw 16, and turbine 23 drives central axis 21 and two mounting discs 20 to revolve in the opposite direction Turn;Dismountable cleaning head 11 is provided with below mounting disc 20, as shown in Fig. 1, Fig. 8, the cleaning head 11 includes upper cover 1, on 1 center of lid is provided with air suction opening 2, and the lower section of upper cover 1 has been provided at circumferentially spaced multiple radially extend centered on air suction opening 2 And downwardly convex clean body 3, the clean body 3 are that flexible material of wiping is constituted, the flexible material of wiping can be collodion, sponge, fibre Tie up other flexible materials that can be used for wiping across ground known to fabric or industry professional, in the present embodiment, the clean body 3 It is preferably that sponge material is constituted with upper cover 1, annular is preferably fanned in the lower surface of clean body 3, and clean body 3 can be whole with upper cover 1 Body die forming is also possible to clean body 3 in conjunction with 1 gluing of upper cover, in the lower surface of clean body 3, gluing or is sewed with wiper 6, the lower surface outside of clean body 3, equipped with the inclined-plane or cambered surface being upturned, in clean body 3 towards the edge adjacent to clean body Side, is adhesive with scraping article 5, scraping article 5 can be rubber, silica gel or it is other be bonded with ground closely, and there is flexible and wearability Material be made, scraping article 5 can be set is preferably arranged on clean body 3 in the one or both sides of clean body 3, the present embodiment Two sides;Velcro 7, the velcro of the setting of 20 lower surface of mounting disc shown in velcro 7 and Fig. 4 are adhesive in the upper surface of upper cover 1 Fitting, the lower end of the central axis 21 are inserted into the air suction opening 2 on the cleaning head 11, and cleaning head 11 is fixed on mounting disc 20 Lower section;When host work, mounting disc 20 drives cleaning head 11 to rotate, and the lower surface of clean body 3 wipes across surface to be cleaned, clean body 3 side edge strikes off promotion foul, and the space between adjacent clean body 3 and upper cover 1 and surface to be cleaned constitutes dust absorbing air passage 4, dirty Object is inhaled into air suction opening 2 by the dust absorbing air passage 4, using central axis 21, in the dust-collecting box for eventually entering into dust exhaust apparatus 26. In the lower section of host 11, also setting up there are two driving wheel 13, a universal wheel 14, driving wheel 13 pushes host to advance and turn, Universal wheel 14 plays a supportive role, and mounting disc 20 and cleaning head 11 can be slided up and down along the sweep-up pipe 25 of 21 inner cavity of central axis, cleaning Head prevents excessive with ground pressure by gravity or spring pressure and ground face contact, causes cleaning head rotation difficult, or Contact pressure is too small, causes cleaning effect bad, is also prevented from because cleaning head thickness or installation difference, cleaning head can not be with ground Contact or cleaning head pave host, cause host that can not move;At the rear of mounting disc 20, it is additionally provided with and is installed by velcro Wiper 12 in host bottom.
Embodiment 2: as shown in figure 5, a preferred embodiment of the utility model includes host 10, the lower section of host 10 is set It sets there are two the lower section for being mounted on mounting disc, and the cleaning head 11 that direction of rotation is opposite, the cleaning head 11 includes upper cover 1, 1 center of upper cover is provided with air suction opening 2, and the lower section of the upper cover 1 is provided at circumferentially spaced centered on the air suction opening 2 Have it is multiple radially extend and downwardly convex clean body 3, the clean body 3 is wiped material by flexibility and is constituted, the following table of the clean body 3 Face is contacted with surface to be cleaned, the motor driven mounting disc in host, drive mounting disc on cleaning head 11 rotate, cleaning head 3 with Rotation mode wipes across surface to be cleaned, and the space between adjacent clean body 3 and upper cover 1, surface to be cleaned constitutes dust absorbing air passage 4, foul It is inhaled into the air suction opening 2 by the dust absorbing air passage 4, using the suction in central axis sucking host 10 hollow in mounting disc In dirt device, in the lower section of host, also set up there are two traveling wheel 13, the traveling wheel 13 pushes away under the driving of stepper motor Dynamic host 10 is advanced and turning, and the cleaning head 11 replaces universal wheel set by usual sweeping robot, plays support host 10 It is additionally provided with and 10 bottom of host is mounted on by velcro at the rear of cleaning head 11 with the effect for reducing mobile steering resistence Wiper 12 can also be arranged water tank and infiltration device, wiper 12 is soaked in the inside of host 10, play preferably cleaning effect Fruit.
Embodiment 3: as shown in Figure 6, Figure 7, one preferred embodiment of the utility model includes host 10, sets below host 10 The cleaning head 11 that two set are mounted below mounting disc, two mounting discs are respectively driven by a stepper motor, drive peace Cleaning head 11 below sabot rotates, when two cleaning head revolving speed differences, the faster cleaning head of revolving speed will relative rotation speed compared with Slow cleaning head rotation is alternately rotated with the different speed of speed by two stepper motors of control, rotates and wipe in cleaning head 11 It sweeps the floor face and while dust suction, realizes that host twisting is advanced or turning, and the commonly used traveling wheel of sweeping robot is eliminated And universal wheel.
In a preferred embodiment of the utility model, the cleaning head is as shown in Figure 9, Figure 10, including upper cover 1, on The center of lid 1 is provided with air suction opening 2, and the lower section of upper cover 1 has been provided at circumferentially spaced multiple radial directions centered on air suction opening 2 and prolonged It stretches and downwardly convex clean body 3;In the present embodiment, annular is preferably fanned in the lower surface of clean body 3, and clean body 3 is flexible wipes Material is constituted, and in the present embodiment, upper cover 1 and clean body 3 are preferably polyvinyl alcohol collodion foamed material, in the lower surface of clean body 3 It equipped with tooth socket, is integrally formed using mold, is equipped with the mounting groove 8 of installation in upper cover 1, the mounting groove 8 is used for and host bottom The fixing piece 22 being equipped with below the mounting disc 20 of portion's setting cooperates, and 20 center of mounting disc is equipped with hollow central axis 21, peace Fixing piece 22 is inserted into mounting groove 8 when dress, and central axis 21 is inserted into air suction opening 2, and cleaning head is fixed on to the lower section of mounting disc 20, When host work, the motor inside host drives mounting disc 20 and is installed on the cleaning head rotation of 20 lower section of mounting disc, cleaning The lower surface of body 3 wipes across surface to be cleaned, and the side edge of clean body 3 strikes off promotion foul, adjacent clean body 3 and upper cover 1 and clear Space between face cleaning constitutes dust absorbing air passage 4, and foul is inhaled into air suction opening 2 by the dust absorbing air passage 4, subsequently enters mounting disc 20 central axis 21 is finally inhaled into the dust exhaust apparatus being arranged in host.
In a preferred embodiment of the utility model, the cleaning head is as shown in figure 11, including upper cover 1, upper cover 1 Center is provided with air suction opening 2, and the lower section of upper cover 1 has been provided at circumferentially spaced multiple radially extend simultaneously centered on air suction opening 2 Downwardly convex clean body 3, clean body 3 are wiped material by flexibility and are constituted, and the lower surface of clean body 3 is sector, adjacent clean body 3 with it is upper Space between lid 1 and surface to be cleaned constitutes dust absorbing air passage 4, and foul is inhaled into air suction opening 2 by dust absorbing air passage 4, is finally inhaled Enter in the dust exhaust apparatus being arranged in host.
Above embodiments are only the cases of the utility model, these embodiments are for illustrating the substantially former of the utility model Reason, main feature and advantage are not construed as the restriction to the utility model, any simply replacing according to the spirit of the present invention It changes and combination should be understood as without departing from the protection scope of the utility model.

Claims (10)

1. a kind of sweeping robot, including host, the dust exhaust apparatus being set to inside host, it is characterised in that: under the host For side's setting there are two the opposite mounting disc in direction of rotation, the center of the mounting disc is equipped with hollow central axis, it is described in The upper end of mandrel is protruded into inside the host, is rotated by the motor driven in host, is provided with below the mounting disc removable The cleaning head unloaded, the cleaning head include upper cover, and the upper cover center is provided with air suction opening, and the lower section of the upper cover is with institute It states and is provided at circumferentially spaced multiple radially extend and downwardly convex clean body, the clean body are wiped by flexibility centered on air suction opening Material is constituted, and the lower surface of the clean body contacts with surface to be cleaned, wipes across surface to be cleaned in a rotative pattern, adjacent clean body with it is upper Space between lid, surface to be cleaned constitutes dust absorbing air passage, and foul is inhaled into the air suction opening by the dust absorbing air passage, using The central axis sucks in the dust exhaust apparatus.
2. sweeping robot as described in claim 1, it is characterised in that: the central axis inner cavity be equipped with do not rotate, and with it is described The sweep-up pipe of dust exhaust apparatus connection.
3. sweeping robot as described in claim 1, it is characterised in that: there are two traveling wheels for setting below the host, described Traveling wheel pushes host to advance and turn, the cleaning head is played and replaced while wiping across ground under the driving of stepper motor For the effect of universal wheel.
4. sweeping robot as described in claim 1, it is characterised in that: two mounting discs are respectively driven by a stepper motor Rotation realizes host twisting traveling or turning by controlling the stepper motor differential speed rotation.
5. sweeping robot as described in claim 1, it is characterised in that: the lower surface of the clean body is fan-shaped or fan annular.
6. sweeping robot as described in claim 1, it is characterised in that: the upper cover and clean body are that collodion is constituted, described clear The lower surface of clean body is equipped with tooth socket, and the upper cover is equipped with hole or the slot of installation, and the lower section of the mounting disc is equipped with and the hole Or the fixing piece of slot cooperation, the fixing piece are inserted into the hole or slot, and cleaning head is fixed below mounting disc.
7. sweeping robot as described in claim 1, it is characterised in that: the upper cover and clean body are that sponge is constituted, described clear The lower surface of clean body is equipped with wiper, and the lower surface of the upper surface of the upper cover and the mounting disc is equipped with velcro, the cleaning Head is installed below the mounting disc using velcro.
8. sweeping robot as described in claim 1, it is characterised in that: have on the outside of the lower surface of the clean body and be upturned Inclined-plane or cambered surface.
9. sweeping robot as described in claim 1, it is characterised in that: the clean body towards the dust absorbing air passage at least one Side edge is equipped with the scraping article contacted with surface to be cleaned.
10. sweeping robot as described in claim 1, it is characterised in that: behind the bottom of the host, the mounting disc Side is equipped with dismountable wiper.
CN201821249647.8U 2018-08-04 2018-08-04 A kind of sweeping robot Expired - Fee Related CN208926226U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821249647.8U CN208926226U (en) 2018-08-04 2018-08-04 A kind of sweeping robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821249647.8U CN208926226U (en) 2018-08-04 2018-08-04 A kind of sweeping robot

Publications (1)

Publication Number Publication Date
CN208926226U true CN208926226U (en) 2019-06-04

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CN201821249647.8U Expired - Fee Related CN208926226U (en) 2018-08-04 2018-08-04 A kind of sweeping robot

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021227159A1 (en) * 2020-05-14 2021-11-18 中山市金舜家庭用品有限公司 Surface cleaner
CN114174012A (en) * 2019-07-31 2022-03-11 Lg电子株式会社 Mobile robot
CN114732311A (en) * 2022-03-16 2022-07-12 深圳市无限动力发展有限公司 Floor sweeper
EP4005750A4 (en) * 2019-07-31 2023-10-11 LG Electronics Inc. Mobile robot

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114174012A (en) * 2019-07-31 2022-03-11 Lg电子株式会社 Mobile robot
US11771285B2 (en) 2019-07-31 2023-10-03 Lg Electronics Inc. Mobile robot
EP4005750A4 (en) * 2019-07-31 2023-10-11 LG Electronics Inc. Mobile robot
CN114174012B (en) * 2019-07-31 2024-01-05 Lg电子株式会社 Mobile robot
WO2021227159A1 (en) * 2020-05-14 2021-11-18 中山市金舜家庭用品有限公司 Surface cleaner
CN114732311A (en) * 2022-03-16 2022-07-12 深圳市无限动力发展有限公司 Floor sweeper
CN114732311B (en) * 2022-03-16 2024-03-19 深圳市无限动力发展有限公司 Floor sweeping machine

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190604

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