CN114569013A

CN114569013A - Cleaning assembly and cleaning robot

Info

Publication number: CN114569013A
Application number: CN202210346631.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Lyric Robot Automation Co Ltd
Current assignee: Guangdong Lyric Robot Automation Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-06-03

Abstract

The application relates to a cleaning assembly and a cleaning robot, and belongs to the field of cleaning robots. The cleaning assembly includes: the pushing cloth is used for wiping the ground; the replacing mechanism is used for driving the cloth pushing to move so that different areas of the cloth pushing are in contact with the ground, the cleaning robot can replace the part of the cloth pushing in contact with the ground through the replacing mechanism without stopping, and therefore cleaning efficiency and cleaning effect are improved.

Description

Cleaning assembly and cleaning robot

Technical Field

The application relates to the field of cleaning robots, in particular to a cleaning assembly and a cleaning robot.

Background

The cleaning robot reasonably utilizes the modern intelligent mobile robot technology and the vacuum dust collection technology, combines the modern intelligent mobile robot technology and the vacuum dust collection technology into a whole, and successfully relieves the dependence of indoor cleaning of people on both hands. The robot cleaner can fully replace the traditional heavy manual cleaning work, the product manufacturing capability is continuously improved along with the continuous progress of the industrial design level of China, and the robot cleaner is also paid more attention by researchers at home and abroad.

The prior art cleaning robot comprises a floor mopping component and a cleaning component, wherein the floor mopping component is usually arranged at the tail end of the cleaning robot, the cleaning component is usually arranged at the front end of the cleaning robot, the cleaning component cleans the ground in the working process, the floor mopping component further cleans the ground and adsorbs and removes residual moisture on the ground, and a cleaning cloth is an important component of the floor mopping component and cleans the ground by cleaning the ground through the cleaning cloth. The cleaning effect is reduced and in severe cases repeated mopping of the floor may be required to complete the cleaning.

Disclosure of Invention

The application aims at providing a clean subassembly and cleaning machines people, has the replacement mechanism who changes the rag in cleaning machines people working process, updates the contact surface on rag and ground, improves clean efficiency when improving clean effect.

The embodiment of the application is realized as follows:

in a first aspect, the present application provides a cleaning assembly for a cleaning robot, comprising:

the pushing cloth is used for wiping the ground;

and the replacing mechanism is used for driving the cloth pushing to move so as to enable different areas of the cloth pushing to be in contact with the ground.

According to the cleaning assembly of the embodiment of the application, the push cloth is a working part for cleaning the ground, along with the movement of the cleaning robot, the part of the push cloth, which is in contact with the ground, can gradually become dirty, and the replacing mechanism can drive the push cloth to move when in work, the dirty part, which is in contact with the ground, is removed, the subsequent clean part is moved to the cleaning station, and the ground is cleaned, in the process, the cleaning robot keeps working without stopping, so that the cleaning assembly has the advantages that firstly, the cleaning robot can replace the part of the push cloth, which is in contact with the ground, without stopping, the cleaning efficiency is improved, the cleaning requirements of public areas of residential buildings and open spaces such as office buildings, hotels, hospitals and the like can be met, meanwhile, after the dirt on the push cloth is accumulated to a certain degree, the cleaning assembly can be timely through the replacing mechanism, the cleaning effect is improved.

According to some embodiments of the application, the replacing mechanism is a belt transmission mechanism, the cloth pushing sleeve is arranged on the belt transmission mechanism, and the cloth pushing sleeve is connected with a transmission belt of the belt transmission mechanism so as to be driven to rotate by the belt transmission mechanism.

In the above scheme, the driving belt of the belt driving mechanism is in a ring shape with two closed ends, a certain shape is maintained in a space under the support of other parts, the cloth pushing is sleeved on the outer peripheral surface of the driving belt, and when the driving belt moves, the cloth pushing also moves under the driving of the driving belt, so that the purpose of driving the cloth pushing to move and enabling different areas of the cloth pushing to be in contact with the ground is achieved.

According to some embodiments of the application, the inner peripheral surface of the push cloth is provided with a first magic tape, the outer peripheral surface of the transmission belt is provided with a second magic tape, and the first magic tape is pasted with the second magic tape.

As aforementioned, the cover is located to the cloth pushing away on the outer peripheral face of drive belt, and publicly known, the outer peripheral face of drive belt is mostly smooth structure, this result in the cloth pushing away with take place easily to skid between the drive belt, probably appear even unable drive the phenomenon that the cloth pushing away removed, in this application, first magic paste with the second magic is pasted, the realization will the cloth pushing away is fixed in on the outer peripheral face of drive belt, avoids skidding the emergence of phenomenon, and simultaneously, the connected mode that the magic was pasted has easy dismounting's advantage.

According to some embodiments of the application, the belt drive mechanism comprises:

the two brackets are oppositely arranged along the left and right direction;

the rotating shafts are parallel to each other, and two ends of each rotating shaft are respectively and rotatably connected to the two brackets;

the transmission belt is sleeved on the plurality of rotating shafts and meshed with the belt wheels;

the motor is arranged on the support and used for driving the rotating shaft to rotate.

In the above scheme, the support enables the rotating shaft to be arranged at intervals in a space, so that the belt wheels can also be arranged at intervals in the space to support the transmission belt circumferentially arranged around the belt wheels, further, the cloth pushing can also form a profile in the space under the supporting action of the transmission belt, and under the driving of the motor, the belt wheels rotate, so that the cloth pushing moves under the driving of the transmission belt.

According to some embodiments of this application, the pivot includes upper rotating shaft and two lower rotating shafts, two lower rotating shafts are located the below of upper rotating shaft and set up along fore-and-aft direction interval, the area that is located below two lower rotating shafts of cloth pushing is used for contacting with ground.

As mentioned above, the cloth pushing device is a working component for cleaning the floor, the contact area of the cloth pushing device with the floor determines the cleaning area of the cloth pushing device, in the above solution, the two lower rotating shafts can make the area of the cloth pushing device under the two lower rotating shafts spread and straighten to form a plane, so that firstly, the cloth pushing device can keep a state of contacting with the floor when the cleaning robot is dragged to move, and secondly, the part of the cloth pushing device contacting with the floor is spread, so that the contact area of the cleaning part of the cloth pushing device with the floor is ensured to be the largest.

According to some embodiments of the application, the belt drive mechanism includes a plurality of the drive belts, the plurality of the drive belts being disposed at intervals in an axial direction of the rotary shaft.

In the above-described aspect, this arrangement is advantageous in that the plurality of belts can increase the supporting area thereof, and if the number of belts is insufficient, the area of the supporting force received by the inner circumferential surface of the cloth pusher is too small, which also reduces the cleaning effect during the movement of the cloth pusher.

According to some embodiments of the application, the belt drive mechanism further comprises: the two ends of the tensioning roller are respectively arranged on the two supports, and the tensioning roller is used for tensioning the transmission belt.

In the above scheme, the tensioning roller can tension the push cloth while tensioning the transmission belt.

According to some embodiments of the present application, the cleaning assembly further comprises: and the traveling wheel is arranged on the bracket.

As mentioned above, the cleaning robot drives the cleaning assembly to move so as to make the cloth-pushing clean the ground, during the movement of the cleaning robot, it should be noted that the pressure applied to the cloth-pushing should not be too large, otherwise, the abrasion of the cloth-pushing will be accelerated, the service life of the cloth-pushing will be reduced, and the resistance applied to the cleaning robot during the walking process will be increased, especially for the cleaning robot using battery as energy, the cruising ability of the cleaning robot will be reduced accordingly, in the above solution, the walking wheel can support the cloth-pushing, reduce the friction between the cloth-pushing wheel and the ground, reduce the energy consumption of the cleaning robot during the operation, increase the service life of the cloth-pushing, and reduce the use cost.

According to some embodiments of the application, the road wheels are universal wheels.

In the above scheme, the universal wheel has 360 ° steering capacity, so that the cleaning assembly can swing.

According to some embodiments of the present application, the cleaning assembly further comprises:

the scraper is abutted with the cloth pushing piece and used for cleaning the cloth pushing piece;

and the negative pressure cavity is used for collecting the garbage scraped by the scraper.

In the above scheme, because the scraper is in contact with the cloth pushing device, in the moving process of the cloth pushing device, the scraper and the cloth pushing device move relatively, firstly, water absorbed by each part of the cloth pushing device can be extruded out, secondly, garbage adhered to the scraper can be scraped off, the dirty part of the cloth pushing device is cleaned, the extruded water and the fallen garbage enter the negative pressure cavity, and the garbage is cleaned and collected through the negative pressure equipment.

According to some embodiments of the application, clean subassembly still includes curb plate, bottom plate and roof, the negative pressure chamber towards one side of pushing away cloth is the front side, curb plate, bottom plate and roof enclose into the front side and open, about from top to bottom and the negative pressure chamber of rear side closure, the scraper is located on the roof, the edge that the bottom plate is located the front side is crossed the edge that the scraper is located the front side.

In the scheme, the dirt firstly falls on the bottom plate of the negative pressure cavity, and then is sucked out from the negative pressure opening of the negative pressure cavity under the action of the negative pressure equipment, so that the dirt is collected, and the negative pressure cavity is prevented from being filled.

According to some embodiments of the present application, a negative pressure port is opened on one of the side plate, the bottom plate and the top plate for communicating a negative pressure device with an inside of the negative pressure chamber.

In the scheme, the negative pressure equipment generates a negative pressure state in the negative pressure cavity, garbage can move towards the negative pressure port under the suction of negative pressure and is sucked out from the negative pressure port, the garbage can be cleaned conveniently, and the garbage can be prevented from falling out from the front side of the negative pressure cavity.

In a second aspect, the present application also provides a cleaning robot comprising the aforementioned cleaning assembly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a front side block diagram of a cleaning robot with a cleaning assembly applied thereto according to some embodiments of the present application;

FIG. 2 is a block diagram of a backside of a cleaning robot with a cleaning assembly applied thereto according to some embodiments of the present disclosure;

FIG. 3 is a schematic structural view of a cleaning assembly provided according to some embodiments of the present application;

FIG. 4 is a schematic side view of a belt drive mechanism according to some embodiments of the present application;

FIG. 5 is a schematic view of another side of a belt drive provided in accordance with some embodiments of the present application;

FIG. 6 is an enlarged view of FIG. 5 at A;

FIG. 7 is a schematic illustration of a negative pressure chamber and doctor blade engagement provided in accordance with some embodiments of the present application;

FIG. 8 is a schematic view of a cleaning assembly and cleaning robot connection provided in accordance with some embodiments of the present application;

FIG. 9 is a schematic structural view of a brush plate member provided in accordance with some embodiments of the present application;

FIG. 10 is a schematic structural view of a rolling brush element provided in accordance with some embodiments of the present application;

FIG. 11 is a schematic illustration of a scraper member configuration provided in accordance with some embodiments of the present application.

Icon: 1-cleaning robot, 2-cleaning component, 3-cloth pushing, 4-bracket, 5-walking wheel, 6-scraper, 7-negative pressure cavity, 8-upper rotating shaft, 9-belt wheel, 10-driving belt, 11-tensioning roller, 12-lower rotating shaft, 13-elastic piece, 14-matching part, 15-strip groove, 16-connecting rod, 17-scraper component, 18-rolling brush component, 19-brush disk component, 20-first connecting rod, 21-second connecting rod, 22-third connecting rod, 23-disk brush, 24-connecting rack, 25-mounting rack, 26-rotary cleaning piece, 27-water outlet pipe, 28-short water retaining strip, 29-long water retaining strip and 30-negative pressure opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between descriptions and not necessarily for describing or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As one kind of service robot, the cleaning robot mentioned in the present application is different from a small cleaning robot used for household use, and refers to a usage scenario suitable for public areas like residential buildings and large open areas such as office buildings, hotels, hospitals, etc., and compared with residential rooms, in public areas of residential buildings and places such as office buildings, hotels, hospitals, etc., firstly, the working area is wider, the endurance requirement for the cleaning robot is higher, obviously, the small cleaning robot is difficult to satisfy, secondly, the types of garbage to be cleaned are more diverse, the quantity is more, and the requirement for the processing capacity of the cleaning robot is higher.

The core of the cleaning robot lies in various working components which are respectively applied to treating different types of garbage, and the cleaning robot generally comprises a mopping component and a cleaning component, wherein the mopping component is usually arranged at the tail end of the cleaning robot, the cleaning component is usually arranged at the front end of the cleaning robot, in the working process, the cleaning component cleans the ground, dust, garbage and the like are swept to a dust suction port of a dust suction device, the dust suction device absorbs and temporarily stores the dust, the garbage and the like, and the mopping component further cleans the ground and simultaneously adsorbs and removes residual moisture on the ground. The core working component of the mopping component is a mopping piece which is mostly made of cloth materials, for example, rags are used, and the cleaning robot drives the mopping piece to move, so that the mopping and cleaning of the ground are realized.

In the process of developing a cleaning robot, the inventor finds that although the floor-mopping assembly of the existing cleaning robot is developed more thoroughly, the existing cleaning robot still has certain defects, for example, the inventor finds that, in the process of working, the contact part of the cleaning cloth and the ground is kept unchanged, the cleaning cloth can only be cleaned after the cleaning is finished, or the cleaning robot is suspended to remove the dirty cleaning cloth and then replace the dirty cleaning cloth with a new cleaning cloth, if the cleaning cloth is replaced by a new cleaning method, the cleaning efficiency is reduced, and if the cleaning cloth is not replaced and is cleaned again after the cleaning is finished, the cleaning effect is reduced, and in severe cases, the cleaning can be finished by repeatedly mopping the ground, in conclusion, aiming at the problems in the prior art, the inventor proposes a cleaning assembly applied to a cleaning robot, which can replace the contact part of the cleaning cloth and the ground, and the cleaning robot does not need to stop in the replacement process, so that the cleaning efficiency and the cleaning effect are improved.

As shown in fig. 1, 2 and 3, fig. 1 is a front side structural view of a cleaning robot 1 to which a cleaning assembly 2 is applied according to some embodiments of the present disclosure, fig. 2 is a rear side structural view of the cleaning robot 1 to which the cleaning assembly 2 is applied according to some embodiments of the present disclosure, and fig. 3 is a structural schematic view of the cleaning assembly 2 according to some embodiments of the present disclosure, wherein the cleaning assembly 2 includes:

a cloth pusher 3 for wiping the floor;

and the replacing mechanism is used for driving the cloth pushing 3 to move so as to enable different areas of the cloth pushing 3 to be in contact with the ground.

On one hand, the replacing mechanism supports the cloth pushing 3 to form a contour in a space, so that the cloth pushing 3 is convenient to move, then the replacing mechanism drives the cloth pushing 3 to move by taking the cross section of a space structure formed by the cloth pushing 3 as a track, so that the purpose of replacing the part of the cloth pushing contacting with the ground is achieved, the time for specifically driving the cloth pushing 3 to move and replace the part of the cloth pushing 3 contacting with the ground can be determined according to the actual situation of a cleaning scene, for example, in a cleaner place, the cloth pushing can be replaced after the cleaning robot 1 travels a certain distance, in a use scene with more water or more garbage, the replacement interval can be shortened, and the cloth pushing 3 can be kept in a state driven by the replacing mechanism all the time. Under the structure of this application, cleaning machines people 1 need not to shut down and can change push away cloth 3 and the part of ground contact, has improved clean efficiency, simultaneously, can pass through at the dirty part of pushing away cloth 3 the replacement mechanism in time takes turns, improves clean effect.

As shown in fig. 4, fig. 4 is a schematic side structure view of a belt transmission mechanism according to some embodiments of the present application, and according to some embodiments of the present application, optionally, the replacing mechanism is a belt transmission mechanism, the cloth pushing 3 is sleeved on the belt transmission mechanism, and the cloth pushing 3 is connected to a transmission belt 10 of the belt transmission mechanism so as to be driven to rotate by the belt transmission mechanism.

Because the cloth pushing 3 is flexible structure, and the common body of rod is limited because area of contact, therefore it is limited to its supporting effect, simultaneously, because the restriction of cleaning machines people 1's installation space and the restriction of factors such as clean area, the cross section profile of the spatial structure that cloth pushing 3 formed may be irregular shape, to sum up, in this application, through belt drive structure supports and drives cloth pushing 3 removes, its reason lies in, firstly because belt drive's drive belt 10 itself is flexible material, can fully with cloth pushing 3's inner peripheral surface laminating supports it, secondly can adapt to cloth pushing 3's irregular profile. Specifically, the cloth pusher 3 may be fitted around the outer circumferential surface of the belt 10 to connect the two.

The cloth pushing 3 can be of an integrally formed sleeve-shaped structure, for example, integrally woven or molded, and also can be formed by connecting two ends of a plane fabric, particularly, the cloth pushing 3 can be connected in a detachable mode through sewing and bonding, for example, the two ends of the cloth pushing 3 are respectively provided with hook-and-loop fasteners or are respectively provided with connecting buckle buckles and the like, the sewing mode is firm and reliable, the two ends of the cloth pushing 3 are not easy to separate, and the detachable connection mode is convenient to disassemble, assemble and replace the cloth pushing 3 and is selected according to actual needs.

According to some embodiments of the present application, optionally, the inner circumferential surface of the cloth pusher 3 is provided with a first magic tape, and the outer circumferential surface of the driving belt 10 is provided with a second magic tape, and the first magic tape is adhered to the second magic tape.

As mentioned above, the cloth pushing 3 is sleeved on the outer circumferential surface of the transmission belt 10, and meanwhile, the two are required to be fixed relatively, firstly, the cloth pushing 3 needs to be tightly attached to the transmission belt 10 to form a stable support for the cloth pushing 3, otherwise, the cloth pushing 3 is partially thrown out under the action of centrifugal force in the process of moving the cloth pushing 3, so that sewage splashes around, and the cloth pushing 3 can be clamped into other rotating members to cause jamming; secondly, the outer peripheral surface of the transmission belt 10 is smooth, which causes the sliding between the cloth pushing 3 and the transmission belt 10, and even the phenomenon that the cloth pushing 3 cannot be driven to move may occur. Preferably, in order to facilitate subsequent disassembly and assembly, the cloth pushing 3 and the transmission belt 10 are detachably mounted, and the magic tape is made of flexible materials and can adapt to the irregular contour of the cloth pushing 3, and meanwhile, the magic tape can be kept stable under the action of repeated bending stress; thirdly, the magic tape is convenient to connect and disassemble, and the hair side hook surfaces can be connected by being attached.

As shown in fig. 4 and 5, fig. 5 is a schematic view of another side structure of the belt transmission mechanism according to some embodiments of the present application, and according to some embodiments of the present application, optionally, the belt transmission mechanism includes:

the two brackets 4 are oppositely arranged along the left and right direction;

the rotating shafts are parallel to each other, and two ends of each rotating shaft are respectively and rotatably connected to the two brackets 4;

the belt wheel 9 is arranged on each rotating shaft, at least one belt wheel 9 is arranged on each rotating shaft, and the transmission belt 10 is sleeved on the rotating shafts and meshed with the belt wheels 9;

and the motor is arranged on the bracket 4 and is used for driving the rotating shaft to rotate.

The bracket 4 fixes the position of each rotating shaft, the rotating shafts play a role of supporting the belt pulleys 9, so that each belt pulley 9 can be distributed in space according to a certain outline, the driving belt 10 is wound around the outer edge of each belt pulley 9, so that the driving belt 10 forms a space outline, and further the cloth pushing 3 can also form a designated outline under the support of the driving belt 10.

Optionally, the belt wheel 9 is a synchronous belt wheel, the transmission belt 10 is a synchronous transmission belt, the synchronous transmission belt not only has the advantages of stable transmission of a common belt and long transmission, but also has the advantages of high transmission efficiency and capability of effectively avoiding the occurrence of a slipping phenomenon.

In each rotating shaft, one rotating shaft can be used as an input shaft and is in transmission connection with the motor, the torque of the motor acts on the rotating shaft to drive the driving belt 10 to move, and a plurality of rotating shafts can also be used as input shafts and are in transmission connection with the input end of the motor through a transmission structure, and the service life of the driving belt 10 can be effectively prolonged through a plurality of driving shafts.

Optionally, the output end of the motor may be provided with a speed reducer for controlling the torque output by the motor.

As shown in fig. 4 and 5, according to some embodiments of the present application, optionally, the plurality of rotating shafts include an upper rotating shaft 8 and two lower rotating shafts 12, the two lower rotating shafts 12 are located below the upper rotating shaft 8 and are spaced apart from each other in the front-rear direction, and an area of the cloth pusher 3 located below the two lower rotating shafts 12 is configured to contact with the ground.

As mentioned above, the cloth 3 is a working part for cleaning the floor and remains partially in contact with the floor, while for the parts not in contact with the floor, the encroachment of space should be minimized, avoiding occupying too much space, which would otherwise result in an excessively large footprint of the cleaning assembly 2, leading to a reduced flexibility thereof. Meanwhile, the contact part of the cloth pushing 3 and the ground is a plane, so that the contact area of the cloth pushing 3 and the ground is the largest, and the cleaning efficiency is improved. Thus, according to some embodiments of the present application, optionally, the transmission belt 10 forms a triangle structure with a small top and a large bottom, that is, the rotating shafts are arranged as the upper one and the lower two, and in such a structure, the cloth pushing 3 forms a triangle structure with a small top and a large bottom, and in such a structure, the area of the cloth pushing 3 below the two lower rotating shafts 12 can be spread and straightened to form a plane, firstly, it is ensured that the cloth pushing 3 can maintain a state of contacting with the ground when the cleaning robot 1 is dragged to move, secondly, the part of the cloth pushing 3 contacting with the ground is spread, so that the contact area of the bottom of the cloth pushing 3 with the ground is the largest, and thirdly, because the cloth pushing 3 is vertically straightened, the transverse floor area of the cloth pushing 3 is reduced, and the flexibility of the cleaning assembly 2 is improved.

According to some embodiments of the present application, as shown in fig. 4 and 5, optionally, the belt transmission mechanism includes a plurality of the transmission belts 10, and the plurality of the transmission belts 10 are arranged at intervals along the axial direction of the rotating shaft.

The driving belt 10 can generate downward pressure on the cloth pushing 3 to increase the cleaning effect, and can prop open the cloth pushing 3 to ensure the cleaning area, and if the number of the driving belt 10 is too small, the cleaning effect and the cleaning area are affected.

As shown in fig. 4, according to some embodiments of the present application, optionally, the belt drive mechanism further comprises: and the two ends of the tension roller 11 are respectively arranged on the two brackets 4, and the tension roller 11 is used for tensioning the transmission belt 10.

The tensioning roller 11 can enable the cloth pushing 3 to be in a stretched state, the inner circumferential surface of part of the cloth pushing 3 cannot be supported due to the fact that the transmission belt 10 is arranged at intervals in the part where the cloth pushing 3 is in contact with the ground, the cloth pushing 3 can be prevented from sinking to the gap between the adjacent transmission belts 10 by stretching the cloth pushing 3 through the tensioning roller 11, and the part of the cloth pushing 3 cannot be in contact with the ground. On the other hand, the tension roller 11 can maintain a proper belt tension of the transmission belt 10, prevent slipping, improve operation stability, and compensate for elongation caused by wear and aging of the transmission belt 10.

Optionally, the tensioning roller 11 is slidably connected to the support 4, so that the vertical distance between the tensioning roller 11 and the outer peripheral surface of the push cloth 3 can be adjusted, the adaptability of the tensioning roller 11 is increased, further, the tensioning roller 11 and the support 4 can be provided with an elastic member 13, and the elastic restoring force generated by the elastic member 13 makes the tensioning roller 11 tightly press on the outer peripheral surface of the push cloth 3.

As shown in fig. 5 and 6, for the purpose of slidably connecting the tension roller 11 and the brackets 4, the two brackets 4 may be symmetrically provided with strip-shaped grooves 15, the tension roller 11 is interposed between the two brackets 4, and both ends of the tension roller have engaging portions 14 adapted to the strip-shaped grooves 15, and the engaging portions 14 are disposed in the strip-shaped grooves 15 and slidably connected thereto. Specifically speaking, cooperation portion 14 can be for set up in the arch on the tensioning roller 11 both ends face, the arch is less than the terminal surface area of tensioning roller 11, so, tensioning roller 11 can follow in the time of the movement of lath groove 15, support 4 can be right tensioning roller 11 plays limiting displacement, makes it keep being in between two supports 4.

The protrusions may be formed integrally with the tension roller 11, specifically, may be formed by injection molding or may be machined.

As shown in fig. 5, according to some embodiments of the present application, optionally, the cleaning assembly 2 further comprises: and the traveling wheels 5 are arranged on the bracket 4.

Pushing away cloth 3 is in cleaning machines people 1 drives clean subassembly 2 removes so that the clean ground of pushing away cloth 3 the in-process that cleaning machines people 1 removed, the pressure that pushes away cloth 3 received should not be too big, otherwise will accelerate the wearing and tearing of pushing away cloth 3 reduce its life, and can increase the resistance that cleaning machines people 1 walking in-process received, especially to cleaning machines people 1 that adopt the battery as the energy, its duration will consequently reduce, therefore in this application, through setting up walking wheel 5, it is right push away cloth 3 plays the supporting role, reduces the frictional force between its and the ground.

Furthermore, as shown in fig. 8, fig. 8 is a schematic view illustrating the connection between the cleaning assembly 2 and the cleaning robot 1 according to some embodiments of the present disclosure, optionally, the cleaning assembly 2 may be connected to the body of the cleaning robot 1 in an articulated manner, specifically, the bracket 4 is articulated to the body of the cleaning robot 1 by a connecting rod 16, so that the cleaning assembly 2 can rotate relative to the body of the cleaning robot 1 in a vertical plane, and an elastic restoring member, such as a torsion spring, is provided at the articulation point between the cleaning assembly and the cleaning robot, which is advantageous in that the pushing cloth 3 is pressed on the ground by the elastic restoring force and the gravity, and the traveling wheels 5 can avoid being excessively attached to the ground, so that the pushing cloth 3 can still be sufficiently attached to the ground even if the ground is uneven.

According to some embodiments of the present application, optionally, the road wheels 5 are universal wheels.

If the walking wheel 5 does not have a steering function, when the cleaning robot 1 steers, the walking wheel 5 rubs with the ground, so that firstly, dragging traces can be left on the ground, friction noise and tire abrasion are generated, secondly, energy consumption of the cleaning robot 1 during working is increased, and in the application, the walking wheel 5 has 360-degree steering capacity, so that when the cleaning robot 1 steers, the friction between the walking wheel 5 and the ground is small rolling friction, and a good silencing and noise eliminating effect is achieved.

As shown in fig. 7, fig. 7 is a schematic view of the negative pressure chamber 7 and the scraper 6 provided according to some embodiments of the present application, and according to some embodiments of the present application, optionally, the cleaning assembly 2 further includes:

the scraper 6 is abutted with the cloth pushing 3 and used for cleaning the cloth pushing 3;

and the negative pressure cavity 7 is used for collecting the garbage scraped by the scraper 6.

As mentioned above, the belt transmission mechanism can drive the push cloth 3 to move, and the part of the push cloth contacting with the ground is replaced, however, after the driving belt 10 of the belt transmission mechanism circulates for one circle, the dirty part on the push cloth 3 which is removed initially will return to the cleaning station, and the cleaning effect will be affected by using the dirty part to clean the ground, in the above solution, the scraper 6 cleans the part of the push cloth 3 which is located above the two lower rotating shafts 12, so as to ensure that the push cloth 3 always uses the clean part to mop the ground, and improve the cleaning effect.

The scraper 6 is in the work progress is removed to the pushcloth 3, firstly can extrude its absorbent moisture, secondly can scrape the rubbish that adheres to it and fall, and it is right to accomplish the cleanness of the dirty part of pushcloth 3, in this application, the scraper 6 with the butt department of pushcloth 3 is located on the vertical peripheral face of pushcloth 3, can strengthen the effect of tightening to the bottom of pushcloth 3, the scraper 6 acts on effort on the pushcloth 3 should make at least the pushcloth 3 pass when the scraper 6 is in deformation, promptly the scraper 6 has with the trend that pushes away the partial surface wall of pushcloth 3 and pass to inside, under such structure, the pushcloth 3 is in the process when the scraper 6, its thickness diminishes, and wherein moisture is extruded, simultaneously, the adhesion with rubbish on the pushcloth 3 is scraped. And the squeezed water and the fallen garbage enter the negative pressure cavity 7 and are cleaned and collected by a negative pressure device.

The abutting end of the scraper 6 and the cloth pushing 3 can be in a blade shape.

As shown, according to some embodiments of the present application, optionally, the cleaning assembly 2 further includes a side plate, a bottom plate, and a top plate, the side of the negative pressure chamber 7 facing the cloth pushing 3 is a front side, the side plate, the bottom plate, and the top plate enclose the front side to be open, the negative pressure chamber 7 is enclosed by the side plate, the bottom plate, the left side, the right side, and the back side, the scraper 6 is disposed on the top plate, and the edge of the bottom plate on the front side crosses the edge of the scraper 6 on the front side.

The bottom plate of negative pressure chamber 7 plays and accepts the guide effect, scraper 6 is in push away the rubbish that scrapes on the cloth 3 fall to on the bottom plate of negative pressure chamber 7, get into afterwards in the negative pressure chamber 7, the edge that the bottom plate is located the front side is crossed the edge that scraper 6 is located the front side can prevent that the filth from directly falling to subaerial. Optionally, negative pressure chamber 7 can set up in push away the 3 bottoms of cloth, the juncture of buckling of lateral part, push away cloth 3 at first through the front side opening entering of negative pressure chamber 7 in the negative pressure chamber 7, after the rebound with 6 butts of scraper, ponding, rubbish certainly the lower part of scraper 6 drops extremely on the bottom plate of negative pressure chamber 7, and then gets into among the negative pressure chamber 7, avoid rubbish and sewage to fall subaerially.

As shown, according to some embodiments of the present application, optionally, one of the side plate, the bottom plate and the top plate is opened with a negative pressure port 30 for communicating a negative pressure device with the inside of the negative pressure chamber 7.

The negative pressure equipment generates a negative pressure state in the negative pressure cavity 7, garbage can move towards the negative pressure port 30 under the suction of negative pressure and is sucked out from the negative pressure port 30, the garbage can be cleaned conveniently, and the garbage can be prevented from falling out from the front side of the negative pressure cavity 7.

In a second aspect, the present application also provides a cleaning robot 1 comprising the cleaning assembly 2.

As shown in fig. 8, the cleaning robot 1 may further include a brush tray part 19, a roll brush part 18, and a blade part 17.

The brush disc part 19 is arranged at the front end of the body of the cleaning robot 1 and is used for sweeping and collecting garbage, dust and the like on the ground and collecting the garbage, dust and the like through dust collection equipment; the brush disc part 19 is followed by a rolling brush part 18 for sprinkling water on the ground and cleaning the ground; when the rolling brush part 18 is behind, the scraper part 17 can collect and collect accumulated water on the ground; the cleaning assembly 2 may be positioned behind the blade member 17 for final mopping of the floor surface.

As shown in fig. 9, fig. 9 is a schematic structural view of a brush disc assembly provided according to some embodiments of the present application, and optionally, the brush disc assembly 19 may include a disc brush 23 for sweeping the ground; a link 16 mechanism for installing the disc brush 23 and retracting the disc brush 23 when the disc brush 23 collides with the outside, wherein the link mechanism includes two link mechanisms respectively symmetrically disposed at both sides of the body of the cleaning robot 1, the link mechanism includes a link frame 24, a first link 20, a second link 21 and a third link 22, the link frame 24 is connected to the cleaning robot 1, the link frame 24, the first link 20, the second link 21 and the third link 22 are sequentially hinged, the disc brush 23 is disposed on the second link 21, the link mechanism further includes a spring, one end of the spring is connected to the link frame 24, and the other end is connected to one of the first link 20, the second link 21 and the third link 22, so as to provide a benefit that, when the disc brush 23 collides with a wall, the first link 20, the second link 21 and the third link 22 are connected to each other end of the spring, The third connecting rod 22 rotates towards the machine body, the disc brush 23 on the second connecting rod 21 is close to the machine body under the action of the first connecting rod 20 and the third connecting rod 22, and the disc brush 23 is effectively prevented from being damaged by collision.

As shown in fig. 10, fig. 10 is a structural schematic diagram of a rolling brush component provided according to some embodiments of the present application, optionally, the rolling brush component 18 may include a rotary cleaning member 26 and a mounting frame 25, the mounting frame 25 is connected to the body of the cleaning robot 1, the rotary cleaning member 26 is connected to the mounting frame 25 in a rotating manner, the rotary cleaning member 26 may be a roller brush or a cotton cloth tube, the rotary cleaning member 26 is driven by a motor to rotate, so as to brush the ground, further, a water outlet pipe 27 may be provided on the mounting frame 25, one end of the water outlet pipe 27 is sealed, the other end of the water outlet pipe 27 is connected to a water source, a plurality of water outlets are provided on a side wall, and clean water drips out from the water outlets, so that the rolling brush component 18 can wash the ground to increase the cleaning effect.

As shown in fig. 11, fig. 11 is the scraper blade part structure sketch map that provides according to some embodiments of this application, optionally, scraper blade part 17 can include two water bars, be long water bar 29, short water bar 28 respectively, short water bar 28 set up in the front side of long water bar 29, short water bar 28 all are the bending form, the both ends of long water bar 29 with the both ends of short water bar 28 are connected for the two forms crescent structure, and crescent structure's indent side orientation the organism front end, short water bar 28 liftoff interval is higher than long water bar 29's liftoff interval, makes like this when cleaning machines people 1 moves forward, subaerial ponding can get into between long water bar 29, the short water bar 28, the ponding is taken out to the rethread water pumping piece.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cleaning assembly is applied to a cleaning robot and is characterized in that: the method comprises the following steps:

the pushing cloth is used for wiping the ground;

2. The cleaning assembly of claim 1, wherein the replacing mechanism is a belt transmission mechanism, the cloth pushing sleeve is arranged on the belt transmission mechanism, and the cloth pushing sleeve is connected with a transmission belt of the belt transmission mechanism so as to be driven by the belt transmission mechanism to rotate.

3. The cleaning assembly as claimed in claim 2, wherein the inner circumferential surface of the cloth is provided with a first hook and loop fastener, the outer circumferential surface of the driving belt is provided with a second hook and loop fastener, and the first hook and loop fastener is adhered to the second hook and loop fastener.

4. The cleaning assembly of claim 2, wherein the belt drive mechanism comprises:

the two brackets are oppositely arranged along the left and right direction;

5. The cleaning assembly of claim 4, wherein the plurality of shafts includes an upper shaft and two lower shafts spaced apart in a fore-and-aft direction below the upper shaft, the area of the cloth beneath the two lower shafts for contacting the floor.

6. The cleaning assembly of claim 4, wherein the belt drive mechanism includes a plurality of the drive belts, the plurality of drive belts being spaced apart along an axial direction of the shaft.

7. The cleaning assembly of claim 4, wherein the belt drive mechanism further comprises:

the two ends of the tensioning roller are respectively arranged on the two supports, and the tensioning roller is used for tensioning the transmission belt.

8. The cleaning assembly of claim 4, further comprising:

and the traveling wheel is arranged on the bracket.

9. The cleaning assembly of claim 8, wherein the road wheels are universal wheels.

10. The cleaning assembly of claim 1, further comprising:

11. The cleaning assembly of claim 10, further comprising a side plate, a bottom plate and a top plate, wherein a side of the negative pressure chamber facing the cloth pushing device is a front side, the side plate, the bottom plate and the top plate define a negative pressure chamber with an open front side, a closed upper, lower, left, right and rear sides, the scraper is disposed on the top plate, and an edge of the bottom plate on the front side exceeds an edge of the scraper on the front side.

12. The cleaning assembly of claim 11, wherein one of the side panels, bottom panel and top panel defines a vacuum port for communicating a vacuum device with the interior of the vacuum chamber.

13. A cleaning robot comprising a cleaning assembly as claimed in any one of claims 1 to 12.