CN114190829A - Cleaning assembly of cleaning robot and cleaning robot with cleaning assembly - Google Patents

Cleaning assembly of cleaning robot and cleaning robot with cleaning assembly Download PDF

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Publication number
CN114190829A
CN114190829A CN202111500786.XA CN202111500786A CN114190829A CN 114190829 A CN114190829 A CN 114190829A CN 202111500786 A CN202111500786 A CN 202111500786A CN 114190829 A CN114190829 A CN 114190829A
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CN
China
Prior art keywords
cleaning
assembly
driving
seat
connecting seat
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.)
Granted
Application number
CN202111500786.XA
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Chinese (zh)
Other versions
CN114190829B (en
Inventor
赵坤雷
杨金权
黄忠葵
宫海涛
杨勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen 3irobotix Co Ltd
Original Assignee
Shenzhen 3irobotix Co Ltd
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Publication date
Application filed by Shenzhen 3irobotix Co Ltd filed Critical Shenzhen 3irobotix Co Ltd
Priority to CN202111500786.XA priority Critical patent/CN114190829B/en
Publication of CN114190829A publication Critical patent/CN114190829A/en
Application granted granted Critical
Publication of CN114190829B publication Critical patent/CN114190829B/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28Floor-scrubbing machines, motor-driven
    • A47L11/282Floor-scrubbing machines, motor-driven having rotary tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4036Parts or details of the surface treating tools
    • A47L11/4038Disk shaped surface treating tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4052Movement of the tools or the like perpendicular to the cleaning surface
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4063Driving means; Transmission means therefor
    • A47L11/4069Driving or transmission means for the cleaning tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/408Means for supplying cleaning or surface treating agents
    • A47L11/4083Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/408Means for supplying cleaning or surface treating agents
    • A47L11/4088Supply pumps; Spraying devices; Supply conduits

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses a cleaning assembly of a cleaning robot and the cleaning robot with the same, wherein the cleaning assembly comprises: the cleaning part is rotatably arranged at the bottom of the cleaning robot and is provided with a cleaning surface for cleaning a cleaning surface; the driving assembly is connected with the cleaning part and is used for driving the cleaning part to rotate; the pushing assembly is connected with the cleaning part and the driving assembly respectively, when the driving assembly drives the cleaning part to rotate, the pushing assembly applies driving force pointing to the cleaning surface to the cleaning part, and the pressure of the cleaning surface is increased. From this, the subassembly is pushed down when drive assembly drive cleaning portion rotates can exert the drive power to cleaning surface one side to cleaning portion to make cleaning surface and cleaning surface closely laminate, guarantee the cleaning effect of cleaning surface to cleaning surface, and cleaning surface cleans cleaning surface through the pivoted mode, can further promote cleaning assembly's cleaning effect.

Description

Cleaning assembly of cleaning robot and cleaning robot with cleaning assembly
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a cleaning assembly of a cleaning robot and the cleaning robot with the cleaning assembly.
Background
At present, automatic cleaning equipment can automatically execute cleaning operation, and is convenient for users. The automatic cleaning equipment can clean the surface to be cleaned through the cleaning cloth, and the cleaning cloth is required to be attached to the surface to be cleaned in the cleaning process, so that the cleaning effect of the surface to be cleaned is ensured. Wherein, the surface to be cleaned can be the ground, the wall surface, the window glass surface and the like.
In the related art, the cleaning cloth of the automatic cleaning device is usually attached to the surface to be cleaned with poor effect, which affects the cleaning effect of the automatic cleaning device. Partial automatic cleaning equipment is through self weight in order to be laminated rag and the surface (ground) of treating the clearance, and this kind of cooperation mode receives automatic cleaning equipment weight influence, if automatic cleaning equipment's weight change will unable guarantee the cooperation effect of ground and rag effectively, and then influence automatic cleaning equipment's cleaning performance. Meanwhile, if the cleaning cloth needs to be automatically cleaned to clean a non-horizontal plane (such as a wall and window glass), the cleaning cloth cannot be effectively attached to the surface to be cleaned.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, it is an object of the present invention to provide a cleaning assembly of a cleaning robot, which has a good cleaning effect.
Another object of the present invention is to provide a cleaning robot.
A cleaning assembly of a cleaning robot according to an embodiment of a first aspect of the present invention includes: the cleaning part is rotatably arranged at the bottom of the cleaning robot and is provided with a cleaning surface for cleaning a cleaning surface; the driving assembly is connected with the cleaning part and is used for driving the cleaning part to rotate; the pressing assembly is respectively connected with the cleaning part and the driving assembly; when the driving assembly drives the cleaning part to rotate, the pressing assembly applies a driving force to the cleaning part, the driving force points to the cleaning surface, and the pressure of the cleaning surface on the cleaning surface is increased.
According to the cleaning assembly provided by the embodiment of the invention, the driving assembly can drive the cleaning part to rotate, and meanwhile, the pressing assembly can drive the cleaning part to move downwards relative to the driving assembly, so that the cleaning surface is tightly attached to the cleaning surface, the cleaning effect of the cleaning surface on the cleaning surface is ensured, the cleaning surface is cleaned in a rotating mode, and the cleaning effect of the cleaning assembly on the cleaning surface can be further improved.
According to some embodiments of the invention, the cleaning part comprises: a cleaning part body provided with the cleaning surface; the connecting seat is arranged on the cleaning part body, is positioned at the central position of the surface on one side deviating from the cleaning surface and is connected with the driving assembly.
According to some embodiments of the invention, the drive assembly comprises: the driving seat is in inserted fit with the connecting seat, and the connecting seat can vertically slide relative to the driving seat; the driving piece is connected with the driving seat and used for driving the driving seat to rotate.
According to some embodiments of the invention, the cleaning assembly further comprises: the insertion part is arranged on the driving seat; the inserting and matching part is arranged on the connecting seat, and the inserting part and the inserting and matching part are inserted and matched along the vertical direction; one of the plug-in part and the plug-in fitting part is configured as a plug rod, and the other of the plug-in part and the plug-in fitting part is configured as a slot.
According to some embodiments of the invention, the hold-down assembly comprises: the mounting seat is arranged on the surface of one side, away from the cleaning surface, of the cleaning part and is positioned on the circumferential outer side of the connecting seat; the sliding block is slidably arranged on the mounting seat and is suitable for sliding towards the direction far away from the connecting seat when the cleaning part rotates; and one end of the connecting piece is connected with the sliding block, the other end of the connecting piece is connected with the driving assembly and is in sliding fit with the connecting seat, and the connecting piece can drive the connecting seat to move downwards relative to the driving assembly when the sliding block slides away from the connecting seat.
According to some embodiments of the invention, the mount comprises: the slide block is sleeved on the guide rail; the limiting part is arranged at the end part of the guide rail and used for limiting the sliding range of the sliding block on the guide rail.
According to some embodiments of the invention, the upper surface of the connecting seat is provided with a through hole, and the other end of the connecting piece penetrates through the through hole and is connected with the driving component.
According to some embodiments of the invention, the cleaning part further comprises a flange, and the flange is arranged on the cleaning part body and extends from the edge of the cleaning part body to the side away from the cleaning surface.
According to some embodiments of the invention, the cleaning assembly further comprises: the first magnetic component comprises a first magnetic part and a second magnetic part, the first magnetic part is arranged on the matching surface of the sliding block and the flange, the second magnetic part is arranged on the inner wall surface of the flange, and attraction force is provided between the first magnetic part and the second magnetic part.
According to some embodiments of the invention, the shape of the matching surface is matched with the shape of the inner wall surface of the flange, so that when the slide block abuts against the flange, the matching surface can be matched with the inner wall surface in a fitting manner.
According to some embodiments of the invention, the connecting member is a flexible member.
According to some embodiments of the invention, the pressing assembly is provided in plurality, and the pressing assemblies are uniformly spaced outside the connecting seat in the circumferential direction.
The cleaning robot according to the second aspect of the present invention includes the above-described cleaning assembly.
According to some embodiments of the invention, the cleaning robot further comprises: a water tank for storing a cleaning liquid.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a first schematic structural view of a cleaning assembly according to an embodiment of the present invention;
FIG. 2 is a second schematic view of a cleaning assembly according to an embodiment of the present invention;
FIG. 3 is a front view of a cleaning assembly according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a rear view of a cleaning assembly according to an embodiment of the present invention;
FIG. 6 is a side view of a cleaning assembly according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a cleaning assembly according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram III of a cleaning assembly according to an embodiment of the present invention;
FIG. 9 is a front view of the cleaning assembly of FIG. 8;
FIG. 10 is a side view of the cleaning assembly of FIG. 8;
FIG. 11 is a cross-sectional view taken along line C-C of FIG. 10;
FIG. 12 is a fourth schematic structural view of a cleaning assembly according to an embodiment of the present invention;
FIG. 13 is a side view of the cleaning assembly depicted in FIG. 12;
FIG. 14 is a cross-sectional view taken along line D-D of FIG. 13;
fig. 15 is a schematic structural diagram five of a cleaning assembly according to an embodiment of the invention.
Reference numerals:
a cleaning component 100,
A cleaning part 10, a cleaning part body 11, a connecting seat 12, a through hole 12a, a hollow cavity 12b, a plug matching part 121, a cleaning surface 10a, a flange 13, an inner wall surface 13a, an upper cover 14,
A driving assembly 20, a driving seat 21, a plug part 211, a limit plate 22, a driving piece 23,
The pressing assembly 30, the mounting seat 31, the guide rail 311, the limiting portion 312, the first limiting portion 3121, the second limiting portion 3122, the slider 32, the mating surface 32a, and the connecting member 33.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A cleaning assembly 100 of a cleaning robot according to an embodiment of the present invention will be described with reference to fig. 1 to 15, the cleaning assembly 100 being used to clean a surface, which may be a floor, a wall surface, a glass surface of a window, etc.
The cleaning assembly 100 according to an embodiment of the present invention includes: a cleaning part 10, a driving assembly 20, and a pressing assembly 30.
The cleaning part 10 is rotatably provided at the bottom of the cleaning robot, and the cleaning part 10 is provided with a cleaning surface 10a, and the cleaning surface 10a is used to clean the cleaning floor surface. The cleaning part 10 cleans the ground cleaning surface in a rotating mode, when the cleaning part 10 rotates, the cleaning surface 10a rotates along with the cleaning part, the cleaning surface 10a can be in ground contact with the cleaning surface, and the cleaning surface 10a cleans the ground cleaning surface in a rotating mode, so that the cleaning effect is good.
As shown in fig. 1 and 4, a driving assembly 20 is connected to the cleaning part 10, and the driving assembly 20 is fixedly mounted on a housing of the cleaning robot and is used to drive the cleaning assembly 100 to rotate to perform a cleaning action of the cleaning part 10.
As shown in fig. 1 and 4, the pressing assemblies 30 are respectively connected to the cleaning portion 10 and the driving assembly 20, and the pressing assemblies 30 can apply a driving force to the cleaning portion 10 to move toward one side of the cleaning surface when the cleaning portion 10 rotates, so as to attach the cleaning portion 10 to the cleaning surface, thereby ensuring the cleaning effect of the cleaning portion 10.
The cleaning surface comprises a ground, a wall surface, a ceiling, a window glass surface and the like, wherein the ground can be a horizontal ground or a ground with a certain included angle with the horizontal direction; the wall surface may be a wall surface of a vertically disposed wall.
It should be noted that, the cleaning assembly 100 may include a plurality of working states, for example, when the cleaning surface is a floor, when the cleaning portion 10 cleans the floor, the cleaning surface 10a may be pressed against the floor by its own weight, and the driving assembly 20 drives the cleaning portion 10 to rotate to further increase the pressure between the cleaning surface 10a and the floor by the pressing assembly 30, so as to ensure the cleaning effect of the cleaning surface 10a on the floor.
It will be appreciated that the cleaning assembly 100 may also include an operating condition in which the cleaning surface 10a is spaced from the cleaning surface when the cleaning portion 10 is not in operation. Taking the cleaning surface as the ground as an example, the cleaning surface 10a is spaced from the ground, so that the walking resistance of the cleaning robot can be reduced, the cleaning robot can move conveniently, a gap can be reserved between the cleaning assembly 100 and the ground, and the obstacle crossing capability of the cleaning robot is ensured. When the cleaning part 10 is required to clean the ground, the driving assembly 20 is controlled to drive the cleaning part 10 to rotate, and the pressing assembly 30 can apply a driving force to the cleaning part 10 to move towards one side of the ground while the cleaning part 10 rotates, so as to drive the cleaning part 10 to move downwards relative to the driving assembly 20, so that the cleaning surface 10a is tightly attached to the ground, and the cleaning effect of the cleaning part 10 on the ground is ensured. That is, the cleaning portion 10 and the driving assembly 20 are movably connected, so that when the driving assembly 20 drives the cleaning portion 10 to rotate, the pressing assembly 30 applies a driving force to the cleaning portion 10 toward the cleaning surface, so that the cleaning surface 10a can approach or have a tendency to move toward the cleaning surface (i.e., increase the friction between the cleaning surface 10a and the cleaning surface).
Wherein, the driving assembly 20 can be fixed on the housing, the position of the driving assembly 20 relative to the housing does not change, and since the pressing assembly 30 is respectively connected with the cleaning part 10 and the driving assembly 20, when the pressing assembly 30 applies a driving force to the cleaning part 10 to move to one side of the cleaning surface, the cleaning part 10 can move synchronously relative to the housing while moving relative to the driving assembly 20, so that the position of the cleaning part 10 relative to the housing can be adjusted.
According to the cleaning assembly 100 of the embodiment of the invention, the driving assembly 20 can drive the cleaning part 10 to rotate, and simultaneously the pressing assembly 30 applies a driving force to the cleaning part 10 to move towards one side of the cleaning surface, so that the cleaning surface 10a is tightly attached to the cleaning surface, the cleaning effect of the cleaning surface 10a on the cleaning surface is ensured, and the cleaning surface 10a cleans the cleaning surface by applying pressure to the cleaning surface and rotating, and the cleaning effect of the cleaning assembly 100 on the cleaning surface can be further improved.
As shown in fig. 4, in some embodiments of the present invention, the cleaning part 10 includes: cleaning portion body 11 and connecting seat 12, cleaning portion body 11 is provided with cleaning surface 10a, and connecting seat 12 sets up on cleaning portion body 11, and connecting seat 12 is located the central point on the surface that cleaning portion body 11 deviates from cleaning surface 10a one side moreover, and connecting seat 12 links to each other with drive assembly 20.
As shown in fig. 1, the driving assembly 20 is connected to the cleaning part body 11 through the connecting socket 12 so as to transmit the driving force to the cleaning part body 11 through the connecting socket 12, and since the connecting socket 12 is disposed at the center position of the cleaning part body 11, when the driving assembly 20 drives the cleaning part 10 to rotate, the cleaning part 10 rotates around the center position thereof, so that the stability of the cleaning part 10 in the rotating process can be ensured.
It should be noted that the "central position" of the cleaning section body 11 is related to the shape of the cleaning section body 11, and when the cleaning section body 11 is configured as a circle, the central position is the position of the center of the circle; when the cleaning part body 11 is configured as a regular polygon, the central position is the center of the regular polygon. Preferably, the cleaning part body 11 is constructed in a regular pattern of a circular, regular polygonal structure, thereby facilitating the determination of the position of the coupling holder 12 and ensuring the stability during the rotation of the cleaning part 10.
The cleaning surface 10a has a cleaning function, and when the cleaning surface 10a is in fit with the cleaning surface, the rotating cleaning surface 10a can clean the cleaning surface. Referring to fig. 1, the cleaning portion body 11 is configured in a disk-shaped structure, and the cleaning surface 10a is a surface of the cleaning cloth body side, that is, the cleaning surface 10a is circular.
Further, in order to ensure the cleaning function of the cleaning surface 10a, the cleaning surface 10a is provided with a cleaning cloth (not shown in the figure) having a good cleaning function, and the material of the cleaning cloth can be selected from cotton, fiber and other materials, which are not particularly limited herein. Wherein, the cleaning cloth can be fixed on the cleaning surface 10a of the cleaning part body 11, and when the cleaning cloth needs to be replaced or cleaned, the cleaning part body 11 can be taken down; the cleaning cloth may be detachably connected to the cleaning part body 11, and when the cleaning cloth is detachably connected to the cleaning part body 11, the cleaning part body 11 is further provided with a member or structure for fixing the cleaning cloth, such as: adhesive strips, snaps, and the like.
As shown in fig. 1, the connecting holder 12 protrudes from a surface of the cleaning part body 11 toward the driving unit 20 and is connected to the driving unit 20. The connecting base 12 is configured as a column-shaped boss structure, such as: cylinders, prisms, etc.
In a further embodiment of the present invention, the drive assembly 20 comprises: a drive socket 21 and a driver 23. The driving seat 21 is in plug-in fit with the connecting seat 12, the connecting seat 12 can slide vertically relative to the driving seat 21, and the driving member 23 is connected with the driving seat 21 and used for driving the driving seat 21 to rotate.
Specifically, the driving member 23 is used for outputting a driving force to drive the driving seat 21 to rotate, and the driving seat 21 can drive the connecting seat 12 connected thereto to rotate synchronously, so as to drive the cleaning portion 10 to rotate. During the rotation of the cleaning part 10, the cleaning part 10 can slide relative to the driving seat 21.
Wherein, the driving member 23 is constructed as a driving motor, and the stability of the output driving force of the driving motor is good.
In a further embodiment of the present invention, the cleaning assembly 100 further comprises: plug-in part 211 and grafting cooperation portion 121, plug-in part 211 are established on drive seat 21, and grafting cooperation portion 121 is established on connecting seat 12, and plug-in part 211 matches with grafting cooperation portion 121 along vertical direction grafting. One of the plug-in part 211 and the plug-in fitting part 121 is configured as a plug rod, and the other of the plug-in part 211 and the plug-in fitting part 121 is configured as a socket. When the connecting seat 12 is connected and matched with the driving seat 21, the inserted rod is inserted into the slot along the vertical direction, and the inserted rod can slide in the slot.
Referring to fig. 1, taking the case that the insertion part 211 is configured as an insertion rod and the insertion matching part 121 is configured as an insertion slot, when the cleaning part 10 moves downward relative to the driving assembly 20, the connecting base 12 moves downward relative to the driving base 21, and at this time, the insertion rod slides out of the insertion slot and at least a portion of the insertion rod is still located in the insertion slot, so that the driving assembly 20 can still transmit the driving force to the connecting base 12 through the insertion rod, and the driving effect of the driving assembly 20 is ensured.
Referring to fig. 1 and 4, in some embodiments of the present invention, the driving seat 21 is provided with a plurality of insertion rods, the plurality of insertion rods are uniformly arranged at intervals in a circumferential direction of a rotation axis of the driving seat 21, and the connecting seat 12 is provided with a plurality of insertion slots, and the insertion slots correspond to the insertion rods one to one. "axis of rotation" means: when the driving member 23 drives the driving seat 21 to rotate, the driving seat 21 rotates around the rotation axis, and the cleaning part 10 can synchronously rotate around the rotation axis. It can be understood that the connection reliability of the connecting seat 12 and the driving seat 21 can be improved by providing a plurality of groups of insertion rods and insertion grooves, and the stability of the transmission of the driving force is ensured, so that the rotation of the cleaning part 10 is more stable, and the cleaning effect of the cleaning part 10 on the ground is further ensured.
In a further embodiment of the present invention, the driving assembly 30 is provided with a limiting plate 22, the limiting plate 22 is disposed at the end of the inserted link, one end of the inserted link is connected to the driving seat 21, and the limiting plate 22 is disposed at the other end of the inserted link, i.e. the limiting plate 22 and the driving seat 21 are respectively located at two sides of the connecting seat 12.
As shown in fig. 7, connection seat 12 is configured as a hollow structure, and the insertion slot is disposed at the top of connection seat 12, and is disposed to penetrate along the vertical direction, at least a portion of the insertion rod extends into hollow cavity 12b of connection seat 12, and limiting plate 22 is also disposed in hollow cavity 12b, so that limiting plate 22 can limit the movement stroke of sliding fit between the insertion rod and the insertion slot, and the insertion rod is prevented from being released from the insertion slot. The limiting plate 22 is configured as an annular structure, and a plurality of insert rods can be fixed on the limiting plate 22 through threaded connectors.
As shown in fig. 1, in some embodiments of the present invention, the hold-down assembly 30 comprises: mount 31, slider 32 and link 33. The mounting seat 31 is arranged on the surface of the cleaning part 10 on the side away from the cleaning surface 10a, and the mounting seat 31 is positioned on the circumferential outer side of the connecting seat 12; the sliding block 32 is slidably arranged on the mounting seat 31, and the sliding block 32 can slide in a direction away from the connecting seat 12 when the cleaning part 10 rotates; one end of the connecting member 33 is connected to the sliding block 32, the other end of the connecting member 33 is connected to the driving unit 20 and is slidably fitted to the connecting section 12, and the connecting member 33 can apply a downward driving force to the connecting section 12 when the sliding block 32 slides away from the connecting section 12. Wherein, the slide block 32 can slide along a straight line and can also slide along a curve.
Specifically, the mounting seat 31 is used for mounting the slider 32, and the slider 32 can slide on the mounting seat 31. When the cleaning part 10 rotates, the sliding block 32 can slide to the side away from the connecting seat 12 and drive the connecting piece 33 to move. Since both ends of the connecting member 33 are connected to the slider 32 and the driving assembly 20, respectively, and are slidably engaged with the connecting section 12, the connecting member 33 slides with respect to the connecting section 12 and applies a driving force to the connecting section 12 to drive the connecting section 12 to move downward during the process in which the slider 32 pulls the connecting member 33.
Referring to fig. 1 and 4, it should be noted that, during the sliding fit of connecting element 33 with connecting seat 12, connecting element 33 is in contact with connecting seat 12, and when connecting element 33 moves away from connecting seat 12 with slider 32, the driving force applied by connecting element 33 to connecting seat 12 includes a component of downward movement, so that connecting seat 12 can be driven to move downward relative to driving assembly 20.
In a further embodiment of the invention, the mounting seat 31 comprises: the sliding block 32 is sleeved on the guide rail 311, and the limiting part 312 is arranged at the end part of the guide rail 311 and used for limiting the sliding range of the sliding block 32 on the guide rail 311. The slider 32 is slidable along the extending direction of the guide rail 311, and the stopper 312 is provided to limit the slider 32.
Referring to fig. 1, there are two limiting portions 312, the two limiting portions 312 are respectively disposed at two ends of the guide rail 311, and the slider 32 can slide between the two limiting portions 312. When the slider 32 abuts against the stopper 312, the slider 32 cannot slide further relative to the guide rail 311. The limiting portion 312 includes a first limiting portion 3121 and a second limiting portion 3122, the first limiting portion 3121 is disposed between the sliding block 32 and the connecting seat 12, and the second limiting portion 3122 is disposed on a side of the sliding block 32 departing from the connecting seat 12.
In some embodiments of the present invention, the driving manner of the slider 32 may include a driving device and a centrifugal force driving, the driving device is connected to the slider 32 and is used to drive the slider 32 to slide, so as to pull the connecting member 33 through the slider 32, thereby achieving the adjustment of the position of the cleaning part 10; when the cleaning part 10 is driven to rotate by centrifugal force, the sliding block 32 has a moving tendency to move to the side far away from the connecting seat 12, that is, the sliding block 32 can do centrifugal motion.
In a specific embodiment of the present invention, the sliding direction of the slider 32 is a radial direction of the rotation axis, and the extending direction of the guide rail 311 is arranged in parallel with the radial direction of the rotation axis. Since the mounting seat 31 is disposed on the cleaning portion body 11, when the cleaning portion 10 rotates, the sliding block 32 will slide to a side away from the connecting seat 12 under the action of centrifugal force, during the sliding process of the sliding block 32, the sliding block 32 will pull the connecting member 33, and the connecting member 33 can apply a driving force to the connecting seat 12 at this time, so as to drive the connecting seat 12 to move downward relative to the driving assembly 20.
Wherein the centrifugal force is related to the mass of the slider 32, the rotational angular speed of the cleaning part 10, and the distance between the slider 32 and the rotational axis. During the rotation of the cleaning part 10, when the rotation angular speed of the cleaning part 10 and the mass of the slider 32 are constant, the slider 32 moves away from the connecting seat 12 under the action of centrifugal force, and the centrifugal force of the slider 32 gradually increases to drive the cleaning part 10 to move downward relative to the driving assembly 20. It will be appreciated that the centrifugal force experienced by the slider 32 can also be adjusted by adjusting the angular speed of rotation of the cleaning portion 10 when adjusting the position of the cleaning portion 10 relative to the drive assembly 20.
As shown in fig. 1 and 4, in some embodiments of the present invention, the upper surface of the connecting socket 12 is provided with a through hole 12a, and the other end of the connecting member 33 passes through the through hole 12a and is connected to the driving assembly 20. The two ends of the connecting member 33 are respectively connected to the driving assembly 20 and the sliding block 32, and when the sliding block 32 slides to the side away from the connecting seat 12, the sliding block 32 pulls the connecting member 33, and at this time, the connecting member 33 can apply a driving force to the connecting seat 12 and slide relative to the through hole 12 a.
As shown in fig. 4, in a further embodiment of the present invention, an arc-shaped surface is formed in the circumferential direction of the via hole 12a, and the connecting member 33 abuts against the arc-shaped surface, so that the arc-shaped surface can reduce the sliding resistance between the connecting member 33 and the connecting seat 12, prevent the connecting member 33 from being damaged during the sliding process, and prolong the service life of the connecting member 33.
As shown in fig. 4, in some embodiments of the present invention, the first position-limiting portion 3121 is provided with a through hole, and the end of the connecting member 33 is inserted through the through hole and connected to the sliding block 32.
In some alternative embodiments of the present invention, the connecting member 33 is a flexible member. It can be understood that the connecting member 33 needs to be in sliding fit with the connecting seat 12, and during the sliding fit, the connecting member 33 will deform, so that configuring the connecting member 33 as a flexible member can improve the deformability of the connecting member 33 and prolong the service life of the connecting member 33. Wherein, the material of the flexible member can be synthetic fiber, natural fiber, metal with ductility, etc., such as: nylon, steel wire and copper wire etc. can guarantee the intensity of connecting piece 33 from this, prevents that connecting piece 33 from splitting. The flexible piece can also be the part that has certain elastic properties, and when slider 32 moved to keeping away from connecting seat 12 one side under the effect of centrifugal force, slider 32 can tensile flexible piece, can further increase the slidable scope of slider 32, guarantees the flexible piece simultaneously and pushes down drive power.
Referring to fig. 7, in some embodiments of the present invention, one end of the connection member 33 is connected to the slider 32, and the other end of the connection member 33 is connected to the stopper plate 22. When the slider 32 pulls the connecting member 33 to move away from the connecting seat 12, the connecting member 33 can apply a downward driving force to the connecting seat 12, and at this time, the distance between the limiting plate 22 and the through hole 12a gradually decreases, and the cleaning part 10 moves downward relative to the driving assembly 20.
As shown in fig. 8 and 11, in some embodiments of the present invention, the cleaning portion 10 further includes a burring 13, the burring 13 is provided on the cleaning portion body 11, and the burring 13 extends from an edge of the cleaning portion body 11 toward a side away from the cleaning surface 10 a.
Referring to fig. 8 and 11, the turned-up edge 13 is disposed around the cleaning portion body 11, and the turned-up edge 13 and the cleaning portion body 11 together define an accommodating space for arranging the driving assembly 20 and the pressing assembly 30, and the turned-up edge 13 can perform a good shielding function on components disposed on the cleaning portion body 11 to prevent the components from being exposed, and can also enhance the appearance of the cleaning assembly 100.
In a further embodiment of the invention, the cleaning assembly further comprises: the first magnetic component (not shown in the figure) comprises a first magnetic part and a second magnetic part, the first magnetic part is arranged on a matching surface 32a of the sliding block 32, which is opposite to the flange 13, the second magnetic part is arranged on the inner wall surface 13a of the flange 13, and attraction force exists between the first magnetic part and the second magnetic part.
Referring to fig. 8 and 11, when the cleaning assembly 100 is rotated rapidly, the slider 32 slides to the side of the flange 13 under the action of centrifugal force, the first magnetic member and the second magnetic member are respectively disposed on the slider 32 and the flange 13, and when the slider 32 approaches to the side of the flange 13, the attractive force between the first magnetic member and the second magnetic member is gradually increased; when the slide block 32 moves to the side far away from the flange 13, the attraction force between the first magnetic part and the second magnetic part is gradually reduced.
It can be understood that the slide block 32 moves towards the side of the flange 13 under the action of centrifugal force, the magnitude of the centrifugal force is related to the mass of the slide block 32, the radius of the circular motion of the slide block 32 and the rotation angular velocity, in order to ensure the pressing-down effect of the cleaning part 10 in the cleaning assembly 100, it is necessary to keep the rotation speed of the cleaning part 10 high so that the slide block has sufficient centrifugal force at the corresponding position, and keeping the rotation speed of the cleaning part 10 high for a long time will cause the load of the driving assembly 20 to be large and consume more energy (such as electric energy).
Specifically, in the present application, as the slider 32 slides toward the flange 13, the attraction force between the first magnetic member and the second magnetic member gradually increases, and the direction of the attraction force is the same as the direction of the centrifugal force. Therefore, when the slide block 32 needs to be kept at the corresponding position, the cleaning part 10 can be driven to rotate at a high speed to enable the slide block 32 to approach to the flanging 13 side, and then the rotating speed of the cleaning part 10 is gradually reduced, at this time, the adsorption force between the first magnetic member and the second magnetic member can be equivalent to a part of centrifugal force, so that the slide block 32 can be kept at the corresponding position. That is, the cleaning part 10 can secure the pressing effect of the pressing assembly 30 even without maintaining a high rotation speed, driving the cleaning part 10 to a preset cleaning height.
As shown in fig. 8 and 11, in some embodiments of the present invention, the shape of the mating surface 32a is adapted to the shape of the inner wall surface 13a of the flange 13, so that when the slider 32 abuts against the flange 13, the mating surface 32a fits snugly with the inner wall surface 13a, so as to further ensure the attraction-fit effect of the first magnetic member and the second magnetic member. The term "the mating surface 32a is adapted to the shape of the flange 13" means that the mating surface 32a is the same as the inner wall surface 13a in shape and size, and when the slider 32 moves to the flange 13 side, it can abut against the flange 13, and at this time, the mating surface 32a is attached to the inner wall surface 13a, and the first magnetic member and the second magnetic member are close to each other and have a good magnetic attraction effect. Meanwhile, the contact area between the sliding block 32 and the flanging 13 can be reasonably increased, the damage of the flanging 13 due to overlarge local stress is avoided, and the reliability of the pressing process of the cleaning assembly 100 is improved.
Referring to fig. 8 and 11, in some embodiments of the present invention, the cleaning portion body 11 is configured to be a disk, the flange 13 is disposed at the edge of the cleaning portion body 11 and configured to be a circular ring, at this time, the inner wall surface 13a of the flange 13 is an arc surface, and correspondingly, the surface of the slider 32 opposite to the inner wall surface 13a (i.e., the mating surface 32a) is configured to be an arc surface, and the extending direction of the arc surface is the same as the extending direction of the flange 13 and both extend along the circumferential direction of the cleaning portion body 11, so that the contact area when the slider 32 and the flange 13 are in abutting engagement can be ensured, and the stress at the flange 13 is uniform.
As shown in fig. 8, in some embodiments of the present invention, the mounting seat 31 includes a guide rail 311 and a limiting portion 312, one end of the guide rail 311 is connected to the inner wall surface 13a of the flange 13, the limiting portion 312 is disposed at the other end of the guide rail 311, and the flange 13 and the limiting portion 312 have a limiting effect on the sliding range of the slider 32, that is, the slider 32 can only slide between the flange 13 and the limiting portion 312.
As shown in fig. 15, in some embodiments of the present invention, the cleaning assembly 100 further includes an upper cover 14 facing the cleaning part 10 and covering the cleaning part 10. The upper cover 14 can shield the components (e.g., the driving assembly 20 and the pressing assembly 30) well, so as to prevent the components from being exposed and improve the reliability of the cleaning assembly 100.
As shown in fig. 5, in some embodiments of the present invention, the pressing assemblies 30 are plural, and the plural pressing assemblies 30 are uniformly spaced outside of the connecting seat 12 in the circumferential direction, so that the stability of driving the cleaning part 10 to move downward can be improved.
Referring to fig. 1, the through holes 12a and the slots of the connector holder 12 are spaced in the circumferential direction of the rotation axis, and interference between the connectors 33 and the insertion rods and the slots can be prevented. Specifically, when the number of the insert rods and the slots is four and the number of the hold-down assemblies 30 is also four, the through holes 12a and the slots are staggered one by one and arranged at intervals in the circumferential direction of the rotation axis.
Cleaning assembly 100 in this application is applied to the first cleaning machines people, and the first cleaning machines people is used for cleaning ground, and when cleaning assembly 100 cleaned the action, cleaning surface 10a and ground laminating to guarantee the clean effect to ground.
It should be further noted that the first cleaning robot is provided with a vision sensor, and the vision sensor is used for detecting the obstacle on the traveling path of the first cleaning robot, so that the first cleaning robot can avoid the obstacle. When the first cleaning robot determines that the lifted cleaning part 10 can cross the obstacle, the rotation speed of the driving assembly 20 driving the cleaning part 10 can be reduced to lift the cleaning part 10, so that the first cleaning robot can conveniently cross the obstacle, and the cleaning part can smoothly cross the obstacle; when the first cleaning robot determines that the first cleaning robot cannot pass over the obstacle (cannot pass over the obstacle even if the cleaning unit 10 is lifted up), the traveling direction of the first cleaning robot can be adjusted so that the first cleaning robot can avoid the obstacle. The visual sensor can realize the functions of active obstacle crossing and active obstacle avoidance, but the visual sensor still cannot detect the obstacle due to the fact that the obstacle is low and the like.
The operation of the cleaning assembly 100 for cleaning a floor according to an embodiment of the present invention will be described with reference to fig. 1 to 6:
referring to fig. 1, the cleaning assembly 100 is in an initial state in which the driving assembly 20 does not drive the cleaning part 10 to rotate and the pressing assembly 30 does not apply a driving force to the cleaning part 10.
When the driving assembly 20 drives the cleaning part 10 to rotate, the pressing assembly 30 rotates synchronously with the driving part, the slider 32 slides to a side away from the connecting base 12 along the direction of the guide rail 311 under the action of centrifugal force, at this time, the connecting member 33 applies a driving force of downward movement (to the cleaning surface side) to the connecting base 12, and the cleaning part 10 moves downward relative to the driving assembly 20 to adjust the distance between the cleaning surface 10a and the ground.
According to the first cleaning robot of the embodiment of the present invention, the first cleaning robot includes the above cleaning assembly 100, and during the rotation of the cleaning part 10, the pressing assembly 30 applies a driving force to the cleaning part 10 to move downward, so as to press the cleaning part 10 downward, so that the cleaning surface 10a is tightly attached to the floor, and the cleaning effect of the cleaning part 10 on the floor is improved.
In some embodiments of the present invention, the first cleaning robot is provided with a plurality of cleaning assemblies 100, and the plurality of cleaning assemblies 100 are arranged at intervals in the width direction of the first cleaning robot main body, so that the cleaning area of the first cleaning robot can be increased, and the cleaning efficiency can be improved.
In a further embodiment of the present invention, the first cleaning robot further comprises: the water tank, the water tank is used for the storage washing liquid, and first kind cleaning machines people can be through spray set with the washing liquid spouts ground, and cleaning assembly 100 can clear up the ground that has the washing liquid to can promote the cleaning performance of first kind cleaning machines people to ground. Since the cleaning assembly 100 has a function of driving the cleaning part 10 to move downward so that the cleaning surface 10a is attached to the ground, when the amount of water in the water tank is reduced, the matching effect of the cleaning surface 10a and the ground can be still ensured, thereby ensuring the cleaning effect of the first cleaning robot on the ground.
It should be noted that, the existing robot is provided with a water tank, and the cleaning part of the robot is attached to the ground by using the self weight, however, the pressure of the cleaning part on the ground is gradually reduced as the cleaning liquid in the water tank gradually flows out, and the sufficient contact between the cleaning part and the ground cannot be ensured, so that the cleaning effect of the robot on the ground is affected.
A cleaning machines people in this application is provided with cleaning assembly 100, and cleaning assembly 100 can push down cleaning portion 10 through pushing down subassembly 30 when rotating cleaning portion 10 and clearing up ground, with cleaning surface 10a and ground laminating, guarantees that cleaning portion 10 is less to the clearance effect on ground, receives the change of first cleaning machines people 100 self weight to influence.
The cleaning assembly 100 of the present application is also applicable to a second first cleaning robot that cleans surfaces that are not horizontal, e.g., window glass surfaces, wall surfaces, etc., compared to the first cleaning robot that cleans surfaces that are floor surfaces; when the cleaning assembly 100 performs a cleaning operation, the cleaning assembly cannot convert the self weight of the cleaning part 10 and the water tank arranged on the cleaning part 10 into the friction force between the cleaning surface 10a and the cleaning surface, at this time, when the driving assembly 20 drives the cleaning part 10 to rotate, the pressing assembly 30 synchronously rotates along with the driving part, and under the action of centrifugal force, the pressure of the cleaning surface 10a on the cleaning surface is increased, so that the friction force is increased, and the cleaning effect on the cleaning surface is ensured.
In a further embodiment of the present invention, the second cleaning robot further comprises: when the suction device (not shown) ensures that the cleaning surface is not horizontal, the second cleaning robot can still keep working to clean the cleaning surface.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (14)

1. A cleaning assembly for a cleaning robot, comprising:
the cleaning part is rotatably arranged at the bottom of the cleaning robot and is provided with a cleaning surface for cleaning a cleaning surface;
the driving assembly is connected with the cleaning part and is used for driving the cleaning part to rotate;
the pressing assembly is respectively connected with the cleaning part and the driving assembly;
when the driving assembly drives the cleaning part to rotate, the pressing assembly applies a driving force to the cleaning part, the driving force points to the cleaning surface, and the pressure of the cleaning surface on the cleaning surface is increased.
2. The cleaning assembly of a cleaning robot according to claim 1, wherein the cleaning part comprises:
a cleaning part body provided with the cleaning surface;
the connecting seat is arranged on the cleaning part body, is positioned at the central position of the surface on one side deviating from the cleaning surface and is connected with the driving assembly.
3. A cleaning assembly of a cleaning robot according to claim 2, wherein the driving assembly comprises:
the driving seat is in inserted fit with the connecting seat, and the connecting seat can vertically slide relative to the driving seat;
the driving piece is connected with the driving seat and used for driving the driving seat to rotate.
4. A cleaning assembly of a cleaning robot according to claim 3, further comprising:
the insertion part is arranged on the driving seat;
the inserting and matching part is arranged on the connecting seat, and the inserting part and the inserting and matching part are inserted and matched along the vertical direction;
one of the plug-in part and the plug-in fitting part is configured as a plug rod, and the other of the plug-in part and the plug-in fitting part is configured as a slot.
5. A cleaning assembly of a cleaning robot according to claim 2, wherein the pressing assembly comprises:
the mounting seat is arranged on the surface of one side, away from the cleaning surface, of the cleaning part and is positioned on the circumferential outer side of the connecting seat;
the sliding block is slidably arranged on the mounting seat and is suitable for sliding towards the direction far away from the connecting seat when the cleaning part rotates;
and one end of the connecting piece is connected with the sliding block, the other end of the connecting piece is connected with the driving assembly and is in sliding fit with the connecting seat, and the connecting piece can drive the connecting seat to move downwards relative to the driving assembly when the sliding block slides away from the connecting seat.
6. A cleaning assembly of a cleaning robot according to claim 5, wherein the mounting seat comprises:
the slide block is sleeved on the guide rail;
the limiting part is arranged at the end part of the guide rail and used for limiting the sliding range of the sliding block on the guide rail.
7. A cleaning assembly of a cleaning robot according to claim 5, wherein the upper surface of the connecting base is provided with a through hole, and the other end of the connecting member is inserted through the through hole and connected with the driving assembly.
8. The cleaning assembly of claim 5, wherein the cleaning part further comprises a flange, and the flange is disposed on the cleaning part body and extends from an edge of the cleaning part body to a side away from the cleaning surface.
9. The cleaning assembly of claim 8, further comprising: the first magnetic component comprises a first magnetic part and a second magnetic part, the first magnetic part is arranged on the matching surface of the sliding block and the flange, the second magnetic part is arranged on the inner wall surface of the flange, and attraction force is provided between the first magnetic part and the second magnetic part.
10. The cleaning assembly of claim 9, wherein the shape of the mating surface is adapted to the shape of the inner wall surface of the flange, so that when the slider abuts against the flange, the mating surface can be fit with the inner wall surface.
11. A cleaning assembly of a cleaning robot according to claim 5, wherein the connecting member is a flexible member.
12. The cleaning assembly of claim 2, wherein the number of the pressing assemblies is plural, and the plural pressing assemblies are arranged at regular intervals outside the connecting seat in the circumferential direction.
13. A cleaning robot, characterized in that it comprises a cleaning assembly according to any one of claims 1-12.
14. The cleaning robot of claim 13, further comprising: a water tank for storing a cleaning liquid.
CN202111500786.XA 2021-12-09 2021-12-09 Cleaning assembly of cleaning robot and cleaning robot with same Active CN114190829B (en)

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