CN217987481U - Cleaning robot and cleaning system - Google Patents
Cleaning robot and cleaning system Download PDFInfo
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- CN217987481U CN217987481U CN202222193516.5U CN202222193516U CN217987481U CN 217987481 U CN217987481 U CN 217987481U CN 202222193516 U CN202222193516 U CN 202222193516U CN 217987481 U CN217987481 U CN 217987481U
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Abstract
The utility model relates to the field of robots, and provides a cleaning robot and a cleaning system, wherein the traveling direction of the cleaning robot is a first direction, the direction vertical to the first direction is a second direction, and the cleaning robot comprises a chassis, a traveling assembly, a driving unit and a cleaning assembly; the plurality of walking components are arranged on the chassis at intervals along a first direction; the driving unit is arranged on the chassis and connected with the walking assembly; a group of the cleaning assemblies is arranged at least at one end of the chassis along the second direction; wherein, the drive unit is arranged corresponding to the walking components one by one.
Description
Technical Field
The utility model relates to a robot field especially relates to a cleaning machines people and clean system.
Background
The traditional curtain wall cleaning mode is that a rope is usually used for suspending a carrier and a worker is used for manually cleaning, so that the cleaning cost is high, the efficiency is low and the potential safety hazard is large. At present, some countries and regions have limited the climbing of artificial high altitudes including window-cleaning operations by legislation. Accordingly, various curtain wall cleaning robots for high-rise buildings have been developed.
The curtain wall cleaning robot in the prior art is generally suitable for cleaning large-area curtain walls, needs to be pulled by a traction rope, is complex and heavy in structure, and needs to provide a miniaturized product.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cleaning machines people and clean system for solve cleaning machines people and need the haulage rope to pull and the defect that the structure is complicated, heavy.
According to the utility model discloses a cleaning machines people of first aspect embodiment, cleaning machines people advancing direction is first direction, with first direction vertically direction is the second direction, include: the cleaning device comprises a chassis, a walking assembly, a driving unit and a cleaning assembly;
the plurality of walking assemblies are arranged on the chassis at intervals along the first direction;
the driving unit is arranged on the chassis and is connected with the walking assembly;
a set of said cleaning assemblies is provided at least at one end of said chassis in said second direction;
the driving units are arranged in one-to-one correspondence with the walking assemblies.
Particularly, the driving unit is arranged to drive the wheel body to realize walking of the cleaning robot on the working surface, and the cleaning robot can finish cleaning work on the surface to be walked.
According to the utility model discloses an embodiment, cleaning machines people still includes: the negative pressure sucking disc assembly is arranged on the bottom surface of the chassis and connected with the negative pressure sucking assembly.
According to the utility model discloses an embodiment still includes: the elastic sealing element is arranged at the bottom of the chassis and can be attached to the walking surface of the cleaning robot, so that a closed negative pressure adsorption cavity is formed by the elastic sealing element, the chassis and the walking surface of the cleaning robot.
Particularly, a plurality of joints are connected the back with negative pressure sucking disc subassembly and negative pressure suction assembly, because the chassis bottom has set up elastic sealing element, and the joint department can produce the negative pressure through negative pressure sucking disc subassembly and negative pressure suction assembly, and then forms a plurality of absorption spaces for cleaning machines people can be stable adsorb in the work surface.
Possibly, the elastic sealing element can be divided into a plurality of independent areas, and can also be integrally formed and arranged at the bottom of the chassis.
According to the utility model discloses an embodiment, cleaning machines people still includes the doctor-bar, every the running gear follows the both sides of second direction all are provided with the doctor-bar, the doctor-bar is used for clearing up running gear passes through the liquid medium or other surface attachments on the route.
Particularly, the scraping blade is arranged along the advancing direction of the walking assembly, so that surface attachments on the advancing direction of each walking assembly can be effectively removed, the friction between the walking assembly and the working surface is enhanced, the possibility of skidding is reduced, and the advancing action of the cleaning robot is more stable.
According to an embodiment of the present invention, the running assembly is a track driving assembly, including at least two belt pulleys and a track wound around the belt pulleys.
Specifically, the cleaning robot adopts a crawler-type traveling driving mode, specifically, differential driving of crawler driving assemblies on two sides is adopted. When the crawler belt runs straight, the rotating speeds of the driving motors of the crawler belt driving assemblies on the two sides are the same; when the left-hand rotation is needed, the rotating speed of the driving motor of the left-hand crawler driving assembly is less than that of the driving motor of the right-hand crawler driving assembly; when the right-hand rotation is needed, the rotating speed of the driving motor of the right-hand crawler driving assembly is less than that of the driving motor of the left-hand crawler driving assembly. Because the crawler driving assembly is adopted, the moving adjustment in the left and right directions can be carried out, the flexibility of the robot during cleaning is higher, the contact area between the crawler and the surface to be walked is larger, and the phenomenon of skidding in the traveling process of the robot is further reduced.
According to an embodiment of the present invention, the cleaning assembly of the cleaning robot further comprises: and the water supply system comprises a water storage tank and a water supply pump connected with the water storage tank, and the water supply pump supplies a water tank stored in the water storage tank to the cleaning assembly.
According to an embodiment of the present invention, the cleaning assembly of the cleaning robot further comprises: the sewage recovery system, sewage water supply system including absorb water power spare, with absorb water passageway and filter that the power spare is connected, the filter with the water storage box is connected, it extends to clean region to absorb water the passageway, makes it can pass through to absorb water the passageway absorbs water the sewage that produces in with clean region absorbs, and the warp the filter is retrieved after filtering extremely the water storage box.
According to a second aspect of the present invention, there is provided a cleaning system comprising the above cleaning robot.
According to the utility model discloses an embodiment, cleaning machines people includes: the moving part, the second wheel body and the power supply device;
the second wheel body is arranged at the bottom of the moving part and used for realizing the movement of the moving part;
the power supply device is arranged on the moving part, is connected with the cleaning robot through a cable and is used for supplying power to the cleaning robot.
Specifically, the cleaning robot is connected to a power supply device provided on the moving part through a cable to supply power and/or charge electricity. The power supply device guarantees the power supply requirement of the cleaning robot, and the second wheel body is arranged at the bottom of the moving part, so that the requirement that the cleaning robot needs to move in position is met. The power supply device is arranged on the moving part, so that the cleaning robot is light.
According to an embodiment of the invention, the cleaning system comprises: a winding disc and a handle;
the winding disc is arranged on the moving part and used for accommodating the cable;
the handle set up in the removal portion, and with the rolling dish rotates and is connected, be used for the rotation of rolling dish provides power.
Particularly, the user drives the winding disc to rotate through the rotating handle, and then the cable is collected into the winding disc, and the collection is convenient and fast.
Possibly, the take-up or take-out mode of the take-up reel may be electrically controlled.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least: the utility model provides a cleaning robot and a cleaning system, which forms a plurality of adsorption spaces through the negative pressure sucker and the elastic sealing element, so that the cleaning robot can be stably adsorbed on the working surface without a traction device; the scraping sheet is arranged, so that sewage in the advancing direction of each walking assembly can be effectively removed, the friction between the walking assemblies and the working surface is enhanced, and the possibility of skidding is reduced; the crawler wheels are adopted, so that the left and right movement adjustment can be carried out, and the flexibility of the robot during cleaning is higher; by arranging the water spraying pipe and the water pumping pipe, the cleaning robot can realize the functions of self-carrying water cleaning and sewage recovery on the whole, and is suitable for cleaning the surface with small breadth; the winding disc is driven to rotate by rotating the handle, so that the cable is collected into the winding disc conveniently and quickly; by providing the power supply device on the moving part, the cleaning robot is reduced in weight.
Drawings
In order to clearly illustrate the technical solutions of the present invention or the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is one of schematic structural diagrams of a cleaning robot provided in an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a cleaning robot according to an embodiment of the present invention;
fig. 3 is a third schematic structural diagram of a cleaning robot provided by the embodiment of the present invention;
FIG. 4 is a schematic block diagram of a cleaning system provided by an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a chassis provided by an embodiment of the present invention;
fig. 6 is an exploded view of a chassis according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a frame portion in a chassis according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of another viewing direction of a frame portion of the chassis according to the embodiment of the present invention;
fig. 9 is a schematic structural diagram of a connection beam in a chassis provided by an embodiment of the present invention;
fig. 10 is a schematic structural view of another viewing direction of the connection beam in the chassis according to the embodiment of the present invention.
Reference numerals are as follows:
10. a chassis; 11. a walking assembly; 12. a drive unit;
13. an elastomeric seal; 14. a joint; 15. scraping a blade;
20. a cleaning assembly;
50. a moving part; 51. a second wheel body;
60. a power supply device; 61. a cable;
70. a handle;
110. a frame portion; 111. a connecting beam; 112. a reinforcing beam;
113. accommodating grooves; 114. a guide wheel; 115. a guide seat;
116. a handle; 117. a base plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, 2 and 3, the traveling direction of the cleaning robot is a first direction, and the direction perpendicular to the first direction is a second direction, the cleaning robot of the present invention includes a chassis 10, a traveling assembly 11, a driving unit 12 and a cleaning assembly 20; a plurality of walking assemblies 11 are arranged on the chassis 10 at intervals along the first direction, wherein the walking assemblies 11 can be arranged on one side of the chassis 10 or on two sides of the chassis 10; the driving unit 12 is arranged on the chassis 10 and connected with the walking assembly 11; a group of the cleaning assemblies 20 is arranged at least at one end of the chassis 10 along the second direction, wherein the cleaning assemblies 20 can be arranged at one side of the chassis 10 or at two sides of the chassis 10; the driving units 12 are arranged corresponding to the walking components 11 one by one; a plurality of joints 14 are arranged at the bottom of the chassis 10, and elastic sealing elements are arranged at the periphery of the joints 14; the two sides of each walking assembly 11 along the second direction are provided with a scraping blade 15.
As shown in fig. 4, the power supply unit 60 is disposed on the moving portion 50, and the moving portion 50 is provided with a second wheel 51, a rotatable handle 70, and a cable 61.
According to fig. 5 and 6, the utility model discloses chassis structure includes: the frame part 110, the connecting beam 111, the bottom plate 117, the handle 116 and the guide wheel 114; the frame parts 110 are arranged at intervals in the first direction, the connecting beams 111 are arranged in the second direction, and the end parts of the connecting beams 111 are inserted into the corresponding accommodating grooves 113 of the frame parts 110 and connected through connecting pieces; wherein the connecting beams 111 and the frame part 110 are connected to the base plate 115, respectively.
Possibly, a stiffening beam 112 is arranged between the two frame parts 10 and is connected to the two connecting beams 20, respectively.
Possibly, a stiffening beam 112 is arranged between the two connecting beams 20 and is connected to the two frame parts 10, respectively.
Possibly, the reinforcement beam 112 is connected to the connection beam 20 and the frame part 10, respectively.
Possibly, the direction of extension of the reinforcement beam 112 forms an angle with the first direction and the second direction, respectively, which is smaller than 90 °.
According to fig. 7 and 8, two driving units 12 are arranged at intervals on the frame part 110 and connected with the running assembly 11; the end parts of the two sides of the frame part 110 are provided with accommodating grooves 113 which can be connected with the connecting beams 111; the end of frame portion 110 is provided with guide seat 115 and guide wheel 114.
Possibly, at least two guide seats 115 are provided on the sides of the frame part 110, the guide wheels 114 corresponding one-to-one to the guide seats 115;
possibly, at least one handle 116 is arranged on each frame part 110, on the side remote from the floor 117.
According to fig. 7 and 8, the connecting beam 111 is hollow, which can solve the problem of arrangement of electric wires or air pipes of the robot, and make the product structure more compact.
A cleaning robot according to an embodiment of the first aspect of the present invention includes a first direction and a second direction perpendicular to each other, a chassis 10, a traveling assembly 11, a driving unit 12, and a cleaning assembly 20; a plurality of walking components 11 are arranged at intervals on two sides of the chassis 10 along a first direction; the driving unit 12 is arranged on the chassis 10 and connected with the walking assembly 11; the two cleaning assemblies 20 are arranged at intervals on two sides of the chassis 10 along the second direction; wherein, the driving units 12 are arranged corresponding to the walking assemblies 11 one by one.
Specifically, the driving unit 12 is arranged to drive the walking assembly 11 to realize walking of the cleaning robot on the working surface, and the cleaning assemblies 20 are arranged at intervals on two sides of the chassis 10, so that the cleaning robot can complete cleaning work on the surface to be walked.
The cleaning robot further includes: the negative pressure sucking disc assembly is arranged on the bottom surface of the chassis 10 and connected with the negative pressure sucking assembly. The cleaning robot further includes: and the elastic sealing element 13 is arranged at the bottom of the chassis 10, and the elastic sealing element 13 can be attached to the walking surface of the cleaning robot, so that the elastic sealing element 13, the chassis 10 and the walking surface of the cleaning robot form a closed negative pressure adsorption cavity.
According to the utility model discloses an embodiment still includes: and the joints 14 are arranged at the bottom of the chassis 10 and are used for being respectively connected with the negative pressure suction cup and the air suction pipeline, and the elastic sealing element 13 is at least arranged at the periphery of the joints 14.
Particularly, after a plurality of joints 14 are connected with the negative pressure suction assembly and the negative pressure suction assembly (such as a negative pressure pump), because the bottom of the chassis 10 is provided with the elastic sealing element 13, the joints 14 can generate negative pressure through the negative pressure suction assembly and the negative pressure suction assembly, and then a plurality of adsorption spaces are formed, so that the robot can be stably adsorbed on a working surface.
Possibly, the elastic sealing element 13 may be divided into six separate areas, or may be integrally formed, and arranged at the bottom of the chassis 10.
According to the utility model discloses an embodiment, cleaning machines people still includes doctor-bar 15, and every running gear 11 all is provided with doctor-bar 15 along the both sides of second direction, and doctor-bar 15 is used for clearing up running gear 11 through the liquid medium or other surface attachments on the route.
Specifically, the scraping blade 15 is arranged along the traveling direction of the traveling assembly 11, so that impurities such as sewage or dust in the traveling direction of each traveling assembly 11 can be effectively removed, the friction between the traveling assembly 11 and the working surface is enhanced, the possibility of slipping is reduced, and the traveling action of the robot is more stable.
According to an embodiment of the present invention, the traveling assembly 11 of the cleaning robot is a track driving assembly including at least two belt pulleys and a track wound on the belt pulleys.
Specifically, the robot adopts a crawler-type traveling driving mode, specifically, differential driving is carried out on crawler driving assemblies on two sides. When the crawler belt runs straight, the rotating speeds of the driving motors of the crawler belt driving assemblies on the two sides are the same; when the left-hand rotation is needed, the rotating speed of the driving motor of the left-hand crawler driving assembly is less than that of the driving motor of the right-hand crawler driving assembly; when the right-hand rotation is needed, the rotating speed of the driving motor of the right-hand crawler driving assembly is smaller than that of the driving motor of the left-hand crawler driving assembly. Because the crawler driving assembly is adopted to move and adjust in the left and right directions, the robot has higher flexibility during cleaning, the contact area between the crawler and the surface to be walked is larger, and the phenomenon of skidding in the traveling process of the robot is further reduced.
According to an embodiment of the present invention, the cleaning assembly 20 of the cleaning robot further comprises: and the water supply system comprises a water storage tank and a water supply pump connected with the water storage tank, and the water supply pump supplies the water tank stored in the water storage tank to the cleaning assembly. The water supply system may further include a spray pipe extending to the cleaning region for spraying water to the cleaning region.
According to an embodiment of the present invention, the cleaning assembly 20 of the cleaning robot further comprises: the sewage recovery system, sewage water supply system absorb water power piece, with absorb water the passageway and the filter of absorbing water that the power piece is connected, the filter is connected with the water storage box, the passageway that absorbs water extends to clean region for absorb water power piece and can absorb the sewage that produces in the clean region through the passageway that absorbs water, and retrieve to the water storage box after the filter filters. The wastewater recovery system may further include a suction pipe extending to the cleaning zone for pumping the spray water within the cleaning zone.
Specifically, by arranging the water spraying pipe and the water pumping pipe, the robot pumps the sewage back through the water pumping pipe after cleaning the surface to be worked by using clean water carried by the robot. The cleaning robot can realize the functions of cleaning with water and recycling sewage on the whole, and is suitable for surface cleaning with small breadth.
According to a second aspect of the present invention, there is provided a cleaning system comprising the above cleaning robot.
According to the utility model discloses an embodiment, cleaning machines people includes: a moving part 50, a second wheel 51 and a power supply device 60; the second wheel body 51 is arranged at the bottom of the moving part 50 and used for realizing the movement of the moving part 50; the power supply device 60 is provided on the moving part 50, connected to the cleaning robot through a cable 61, and supplies power to the cleaning robot.
Specifically, the cleaning robot is connected to a power supply device 60 provided on the moving part 50 through a cable 61 to directly supply and/or charge power. The power supply device 60 ensures the power supply requirement of the cleaning robot, and the second wheel body 51 is arranged at the bottom of the moving part 50, so that the requirement that the cleaning robot needs to move. The power supply device 60 is provided on the moving part 50, and the cleaning robot is reduced in weight.
According to an embodiment of the present invention, a cleaning system includes: a winding disc and a handle; the take-up reel is provided to the moving part 50 for taking in the cable 61; the handle is arranged on the moving part 50, is rotatably connected with the winding disc and is used for providing power for the rotation of the winding disc.
Particularly, the user drives the winding disc to rotate through the rotating handle, and then the cable 61 is collected into the winding disc, and therefore the winding disc is convenient and fast to collect.
Possibly, the take-up or take-out mode of the take-up reel may be electrically controlled.
For example, the robot can be a cleaning robot for cleaning a glass curtain wall, and a plurality of adsorption spaces are formed by the negative pressure sucker and the elastic sealing element, so that the robot can be stably adsorbed on a working surface without a traction device; the scraping sheet is arranged, so that sewage in the advancing direction of each walking assembly can be effectively removed, the friction between the walking assemblies and the working surface is enhanced, and the possibility of slipping is reduced; the crawler wheels can be used for moving and adjusting in the left and right directions, so that the robot has higher flexibility during cleaning; by arranging the water spraying pipe and the water pumping pipe, the cleaning robot can realize the functions of self-carrying water cleaning and sewage recovery on the whole and is suitable for cleaning the surface with small breadth; the winding disc is driven to rotate by rotating the handle, so that the cable is collected into the winding disc conveniently and quickly; by providing the power supply device on the moving part, the cleaning robot is reduced in weight.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In the description of the present specification, references to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (10)
1. A cleaning robot, a traveling direction of the cleaning robot being a first direction, a direction perpendicular to the first direction being a second direction, comprising: the cleaning device comprises a chassis, a walking assembly, a driving unit and a cleaning assembly;
the plurality of walking assemblies are arranged on the chassis at intervals along the first direction;
the driving unit is arranged on the chassis and connected with the walking assembly;
a group of the cleaning assemblies is arranged at least at one end of the chassis along the second direction;
the driving units are arranged in one-to-one correspondence with the walking assemblies.
2. The cleaning robot of claim 1, further comprising: the negative pressure sucking disc assembly is arranged on the bottom surface of the chassis and connected with the negative pressure sucking assembly.
3. The cleaning robot of claim 2, further comprising: the elastic sealing element is arranged at the bottom of the chassis and can be attached to the walking surface of the cleaning robot, so that a closed negative pressure adsorption cavity is formed by the elastic sealing element, the chassis and the walking surface of the cleaning robot.
4. The cleaning robot of claim 1, further comprising: and the scraping blades are arranged on two sides of each walking assembly along the second direction and used for cleaning surface attachments on the path of the walking assemblies.
5. The cleaning robot of claim 1, wherein the walking assembly is a track drive assembly including at least two pulleys and a track wound around the pulleys.
6. The cleaning robot of any one of claims 1 to 5, wherein the cleaning assembly further comprises: and the water supply system comprises a water storage tank and a water supply pump connected with the water storage tank, and the water supply pump supplies a water tank stored in the water storage tank to the cleaning assembly.
7. The cleaning robot of claim 6, wherein the cleaning assembly further comprises: sewage recovery system, sewage water supply system including absorb water power spare, with absorb water passageway and filter that water power spare is connected, the filter with the water storage box is connected, it extends to clean region to absorb water the passageway, makes it can warp to absorb water power spare absorb the sewage that the passageway produced in with clean region, and warp retrieve after the filter filters extremely the water storage box.
8. A cleaning system, characterized by comprising a cleaning robot as claimed in any one of the preceding claims 1 to 7.
9. The cleaning system of claim 8, comprising: the moving part, the second wheel body and the power supply device;
the second wheel body is arranged at the bottom of the moving part and used for realizing the movement of the moving part;
the power supply device is arranged on the moving part, is connected with the cleaning robot through a cable and is used for supplying power to the cleaning robot.
10. The cleaning system of claim 9, further comprising: a winding disc and a handle;
the winding disc is arranged on the moving part and used for accommodating the cable;
the handle set up in the removal portion, and with the rolling dish rotates and is connected, be used for the rotation of rolling dish provides power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222193516.5U CN217987481U (en) | 2022-08-19 | 2022-08-19 | Cleaning robot and cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222193516.5U CN217987481U (en) | 2022-08-19 | 2022-08-19 | Cleaning robot and cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217987481U true CN217987481U (en) | 2022-12-09 |
Family
ID=84326573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222193516.5U Active CN217987481U (en) | 2022-08-19 | 2022-08-19 | Cleaning robot and cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217987481U (en) |
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2022
- 2022-08-19 CN CN202222193516.5U patent/CN217987481U/en active Active
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