CN212591937U - Drag and inhale robot - Google Patents

Abstract

A mopping robot, comprising: the garbage collection and suction robot comprises a dragging and suction robot main body, wherein a garbage box is installed in the dragging and suction robot main body, a dust suction port is formed in the bottom of the dragging and suction robot main body, and the dust suction port and the garbage box are communicated to form a structure, so that garbage on the ground enters the garbage box through the dust suction port to be collected; the first cleaning piece and the second cleaning piece are arranged to realize the effect of mopping the ground by a front-back distribution structure, the second cleaning piece has the compensation cleaning effect on the first cleaning piece, and the first cleaning piece and the second cleaning piece are combined to realize the comprehensive coverage of the maximum outer diameter range of the mopping robot to clean the mopping ground; the cleaning seat is correspondingly arranged to automatically clean the first cleaning piece and the second cleaning piece; the problems that the existing sweeping robot is small in floor mopping range, poor in effect and low in efficiency on the ground are solved, and the problem that the existing sweeping robot cannot realize distributed mopping cleaning is solved.

Description

Drag and inhale robot

Technical Field

The utility model relates to clean ground's clean field of intelligence, concretely relates to drag and inhale robot.

Background

In order to realize the floor mopping and cleaning function of the existing sweeping robot, most of the sweeping robots are provided with floor mopping modules with a planar structure at the bottoms, and the floor is mopped and cleaned by cleaning cloth with a planar structure, but the floor mopping effect is relatively poor and the efficiency is low; the main reasons are that the friction force between the mopping module and the ground is small, the pressure between the mopping module and the ground is small due to the limitation of the self weight of the sweeping robot, and meanwhile, the mopping module cannot move so that the high-frequency repeated mopping effect between the mopping module and the ground cannot be realized; therefore, the floor cleaning robot needs to perform floor cleaning repeatedly for a long time; but the overall cleaning effect is still poor and the cleaning efficiency is low.

The floor mopping module which rotates is arranged at the bottom of the partial floor sweeping robot, but the floor mopping area of the floor mopping module is small, the floor mopping can not be carried out within the whole width range which covers the maximum outer diameter of the floor sweeping robot, the effect of mopping for multiple times can not be realized, the floor mopping and cleaning effect is poor, and the efficiency is low; the existing sweeping robot cannot realize step-by-step mopping cleaning in the mopping cleaning process, so that the mopping cleaning effect is poor, garbage is easy to remain on the ground, and the garbage is easy to be pressed on the ground and is difficult to be cleaned and separated by a mopping module.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, an object of the utility model is to provide a drag and inhale robot, mainly solve current robot of sweeping the floor to the problem that the scope of mopping the ground is little, the effect is poor, inefficiency to and solve current robot of sweeping the floor and can't realize mopping the clean problem of ground step by step.

An embodiment of the utility model provides a drag and inhale robot, include: the garbage collection and suction robot comprises a dragging and suction robot main body, wherein a garbage box is installed in the dragging and suction robot main body, a dust suction port is formed in the bottom of the dragging and suction robot main body, and the dust suction port and the garbage box are communicated to enable garbage on the ground to enter the garbage box through the dust suction port to be collected; the front side of the bottom of the main body of the dragging and sucking robot is provided with a first cleaning piece, the first cleaning piece is arranged to be a structure which can be attached to the ground to horizontally rotate so as to drag the ground for cleaning, and when the first cleaning piece is contacted with the ground, the contacted part forms a plane structure; the center position of the first cleaning piece in the horizontal direction is positioned at the front side of the dust suction port; the bottom of the main body of the dragging and sucking robot is also provided with a second cleaning piece, the second cleaning piece is provided with a structure capable of moving to perform mopping and cleaning, and when the second cleaning piece is contacted with the ground, the contacted part forms a plane structure; the center position of the second cleaning piece in the horizontal direction is positioned at the rear side of the dust suction port; the first cleaning piece comprises a first rotating piece and a second rotating piece, and the first rotating piece and the second rotating piece are respectively positioned at two sides of the front side of the bottom of the dragging and sucking robot main body; one side end surface of the second cleaning piece in the horizontal direction is positioned outside the side end surface of the first rotating piece close to the dust suction port in the horizontal direction and is positioned inside the side end surface of the first rotating piece far away from the dust suction port in the horizontal direction; the other side end surface of the second cleaning member in the horizontal direction is located outside the side end surface of the second rotating member in the horizontal direction close to the dust suction port and inside the side end surface of the second rotating member in the horizontal direction far away from the dust suction port.

In the drawing and sucking robot, the horizontal rotation directions of the first rotating member and the second rotating member are opposite, and the first rotating member and the second rotating member are arranged to horizontally rotate in the direction from the outer side of the bottom of the drawing and sucking robot body to the inner side and from the front side of the bottom of the drawing and sucking robot body to the rear side.

In the robot for mopping and sucking, the side end faces of the first rotating member and the second rotating member far away from the dust suction port in the horizontal direction are positioned within the side end faces on both sides of the maximum outer diameter position of the robot body for mopping and sucking.

According to the dragging and sucking robot, driving wheels for walking are respectively arranged on the left side and the right side of the bottom of the dragging and sucking robot body, and the driving wheels are located between the first cleaning piece and the second cleaning piece in the vertical direction.

In the drawing robot, the driving wheels on the left side and the right side are respectively located between the end surfaces on the two sides of the first rotating member and between the end surfaces on the two sides of the second rotating member in the vertical direction.

In the above-mentioned robot, the two side end faces of the second cleaning element in the horizontal direction are respectively located outside the side end faces of the driving wheels on the left and right sides close to the dust suction port, so that the second cleaning element covers at least a part of the area pressed by the driving wheels when the robot body travels on the floor.

The robot further comprises a universal wheel, the universal wheel is located between the first rotating part and the second rotating part in the horizontal direction, and the universal wheel is located between two side end faces of the second cleaning part in the horizontal direction in the vertical direction.

In the dragging and sucking robot, the second cleaning part includes a third rotating part and a fourth rotating part, the third rotating part and the fourth rotating part are configured to horizontally rotate to be attached to the ground for mopping and cleaning, and when the third rotating part and the fourth rotating part horizontally rotate, inner side end faces of the third rotating part and the fourth rotating part in the horizontal direction contact with each other.

In the drawing and sucking robot, the horizontal rotation directions of the third rotating member and the fourth rotating member are opposite, and the third rotating member and the fourth rotating member are arranged to horizontally rotate in the direction from the outer side of the bottom of the drawing and sucking robot body to the inner side and from the rear side of the bottom of the drawing and sucking robot body to the front side.

In the dragging and sucking robot, the second cleaning piece comprises a rotating and dragging piece which is arranged to rotate and roll relative to the ground; the rotating and dragging piece at least comprises a first rotating and dragging piece and/or a second rotating and dragging piece, and when the rotating and dragging piece comprises the first rotating and dragging piece and the second rotating and dragging piece, the rotating and dragging directions of the first rotating and dragging piece and the second rotating and dragging piece are opposite.

In the dragging and sucking robot, the first rotating and rolling direction of the first rotating and rolling piece is a direction from the front side to the rear side of the dragging and sucking robot main body and is opposite to the advancing direction of the dragging and sucking robot main body; the rotating and rolling direction of the second rotating and dragging piece is the rotating and rolling direction along the direction from the rear side to the front side of the dragging and sucking robot body and is the same as the advancing direction of the dragging and sucking robot body.

In the dragging and sucking robot, at least a mutual contact interference structure is arranged between the first rotating and dragging piece and the second rotating and dragging piece, so that the outer surfaces of the first rotating and dragging piece and the second rotating and dragging piece at least contact and interfere with each other to form scraping.

In the above-mentioned drag and suction robot, when the second cleaning member contacts with the floor, the contact portion thereof forms a planar structure, and the compression deformation height is greater than that when the first cleaning member contacts with the floor, the contact portion thereof forms a planar structure.

According to the dragging and sucking robot, the water storage tank is arranged in the main body of the dragging and sucking robot, the water storage tank is connected with the water outlet device, and the water outlet device is of a structure which can synchronously or alternatively supply water to the first cleaning piece and the second cleaning piece.

The dragging and sucking robot further comprises a cleaning seat, the cleaning seat is arranged to be an independent structure relative to the main body of the dragging and sucking robot, a cleaning groove for placing the first cleaning piece and/or the second cleaning piece is arranged on the cleaning seat, and the cleaning groove at least covers one part of the side part of the first cleaning piece and/or the second cleaning piece and forms a relatively closed structure.

In the above-mentioned drag-and-suction robot, the rotation direction of the first cleaning member or the second cleaning member when the first cleaning member or the second cleaning member is located on the floor for mopping and cleaning is at least opposite to the rotation direction of the first cleaning member or the second cleaning member when the first cleaning member or the second cleaning member is located in the cleaning tank and submerged by the water in the cleaning tank; or the rotating direction of the first cleaning piece or the second cleaning piece when a part of the first cleaning piece or the second cleaning piece is submerged by water in the cleaning groove and is not cleaned is at least opposite to the rotating direction of the first cleaning piece or the second cleaning piece when the first cleaning piece or the second cleaning piece is separated from the water in the cleaning groove and is dried.

Compared with the prior art, the utility model discloses following beneficial effect has:

this scheme is through setting up the first cleaning member of front side and the second cleaning member of rear side, realizes dragging the maximize of ground coverage under the structure that distributes jointly, and the second cleaning member forms the effect of compensation clean scope to first cleaning member, and both realize dragging the ground coverage that drags the biggest external diameter width of robot jointly.

The first cleaning member and the second cleaning member of this scheme realize that the substep is drawn ground clean effect many times around, and first cleaning member is handled the rubbish on ground in advance, draws the rubbish scraping and gathering on ground clean in-process still mainly to be drawn the rubbish box to dust absorption mouth position in advance, and the second cleaning member then carries out the degree of depth cleanness to ground, and both realize better clean effect of drawing ground jointly, and promote efficiency.

The first cleaning member, the second cleaning member of this scheme combine the position of dust absorption mouth and the position of drive wheel, and the distribution that the position was injectd around realizing is arranged, and the rubbish that is favorable to ground more enters into in the dust absorption mouth is absorbed the rubbish box, can carry out cleaning to the region that the drive wheel walking was pressed simultaneously, realize getting better clean effect, avoid leaving the vestige of dragging ground back drive wheel walking on ground.

This scheme is still through setting up the structure of first cleaning member horizontal rotation motion, the second cleaning member also can set up to the structure of horizontal rotation's motion simultaneously, horizontal rotation direction of motion through injecing first cleaning member and the horizontal rotation direction of motion of second cleaning member form offsetting to the power that the horizontal rotation in-process produced, stop because of first cleaning member, the clear motion of second leads to influencing the problem emergence of dragging and inhaling the robot walking, under the realization gains better clean effect, the normal walking that drags and inhale the robot is realized in step.

The scheme also has the advantages that the structure of the first cleaning piece which horizontally rotates to move is arranged, meanwhile, the second cleaning piece can be arranged to rotate and roll to move, the first cleaning piece horizontally rotates to scrape the ground and gather the garbage to the dust suction port, the effect of guiding the garbage to move is achieved, the second cleaning piece rolls to achieve the effect of strongly cutting and treating the ground garbage, the ground garbage is pretreated by the first cleaning piece, the second cleaning piece can more easily cut the garbage on the ground away from the ground, and the better mopping and cleaning effect is achieved,

the robot that drags of this scheme can utilize its movable structure setting to wash the seat that corresponds because of first cleaning member and the clean structure setting of second, can realize the effect of the self-cleaning of first cleaning member and the clean piece of second, spin-dry when dragging the robot to be located and wash the seat this moment, does not need artificial manual dismantlement to wash.

Meanwhile, the rotating direction of the first cleaning piece and the second cleaning piece during mopping cleaning is opposite to the rotating direction of the first cleaning piece and the second cleaning piece during cleaning in the cleaning tank, so that the garbage adsorbed in the first cleaning piece and the second cleaning piece can be cleaned, and the cleaning cleanliness effect is improved; and the rotating direction of the first cleaning piece and the second cleaning piece during cleaning in the cleaning tank is opposite to the rotating direction of the first cleaning piece and the second cleaning piece during spin-drying in the cleaning tank, so that the first cleaning piece and the second cleaning piece after cleaning can be spin-dried, and the effects of spin-drying and micro-moistening can be rapidly realized.

Drawings

FIG. 1 is a layout diagram of a first cleaning member, a second cleaning member, a driving wheel and an overall structure at the bottom of a dragging and sucking robot;

FIG. 2 is a schematic view of a first cleaning member, a second cleaning member and the overall structure of the bottom of the robot;

FIG. 3 is a schematic view of the second cleaning element including third and fourth rotating elements and its overall structure;

FIG. 4 is a schematic view of the second cleaning element including the first and second spin finish members and the overall construction;

FIG. 5 is a schematic view of the first and second rotating members driving the ground garbage;

FIG. 6 is a schematic side view of the robot;

FIG. 7 is a schematic illustration of interference of the first rotating and second rotating and dragging members and water supply to the water outlet device;

FIG. 8 is a schematic view of the first cleaning member and the second cleaning member in their natural state;

FIG. 9 is a schematic view of the first cleaning member and the second cleaning member being positioned on a floor surface;

FIG. 10 is a schematic view of the rotation directions of the second rotating member and the second cleaning member when the mopping robot is positioned on the floor for mopping and cleaning;

FIG. 11 is a schematic view of the rotation direction of the second rotating member and the second cleaning member when the mopping robot is located in the cleaning seat for cleaning;

FIG. 12 is a schematic view of the rotation directions of the second rotating member and the second cleaning member when the suction robot is positioned in the washing seat for spin-drying;

FIG. 13 is a schematic view of the robot being positioned in a cleaning tank of the cleaning base for cleaning;

reference numerals: 1-a main body of a dragging and sucking robot, 101-a garbage box, 102-a dust suction port, 103-a water storage tank, 104-a water outlet device, 105-a first cleaning piece, 1051-a first rotating piece, 1052-a second rotating piece, 106-a second cleaning piece, 1061-a first rotating and dragging piece, 1062-a second rotating and dragging piece, 1063-a third rotating piece, 1064-a fourth rotating piece, 107-a driving wheel, 108-a universal wheel, 2-a cleaning seat and 201-a cleaning groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.

Example (b): the utility model discloses a drag and inhale robot, as figure 1 to figure 13 constitute show, the robot that drags and inhale of this scheme includes: the mopping robot comprises a mopping robot body 1, wherein the mopping robot body 1 can be arranged to be in a circular structure or a square structure, the mopping robot has a dust collection and cleaning function on the ground and a mopping and cleaning function, a garbage box 101 is installed in the mopping robot body 1 for the dust collection function, a dust collection port 102 is formed in the bottom of the mopping robot body 1, and the dust collection port 102 and the garbage box 101 are arranged to be communicated with each other so that garbage on the ground enters the garbage box 101 through the dust collection port 102 to be collected; the dust collection port 102 is connected with the garbage box 101, one side of the garbage box 101 is connected with a fan, and the fan provides suction force of air flow to realize that garbage on the ground is sucked through the dust collection port 102 and enters the garbage box 101 to be collected; for the mopping cleaning function, the first cleaning piece 105 and the second cleaning piece 106 are arranged to move to clean the ground with high friction force, and the mopping cleaning area is large; a first cleaning piece 105 is arranged on the front side of the bottom of the dragging and sucking robot main body 1, the first cleaning piece 105 is arranged to be a structure which can horizontally rotate along the ground to drag and clean the ground, and when the first cleaning piece 105 is contacted with the ground, the contacted part forms a plane structure; although the floor mopping module is also installed on the existing floor sweeping robot, the floor mopping module is directly attached to the ground to be tangent or parallel and level in contact, the floor mopping effect is relatively poor, the scheme is that when the first cleaning piece 105 is arranged in the ground in contact, the contact part is formed into a plane structure to keep enough constant pressure between the first cleaning piece 105 and the ground through the action of self force of the mopping robot or the action of rotating force brought by the motion of the first cleaning piece, the cleaning of the ground is facilitated, and the effect of powerful decontamination is achieved.

Optionally, the bottom of the first cleaning member 105 is configured to be an arc-shaped structure, so that the pressure crimping deformation height when the first cleaning member 105 is in contact with the ground is gradually reduced outwards along the center of the first cleaning member 105, that is, the pressure crimping deformation height when the center position of the first cleaning member 105 is in contact with the ground is the largest, at this time, the center position is tightly attached to the ground, which is beneficial to keeping certain stability when the first rotating member 1051 rotates around the center, and large eccentric swing cannot occur; the bottom of first cleaning member 105 is along the position and ground laminating pine more to be favorable to keeping the too big problem of frictional force on first cleaning member 105 and ground when clean effect, as shown in fig. 5, can make the rubbish on ground drive it at first cleaning member 105's rotatory in-process simultaneously and move from inside to outside, make rubbish especially great rubbish move from inside to outside along first cleaning member 105's bottom and form great centrifugal throwing power to rubbish, rubbish can be thrown out to the position near dust absorption mouth 102 by effectual drive and be sucked, promote the absorption efficiency to rubbish, and clean effect is better.

In the scheme, the positions of the first cleaning piece 105 and the dust suction opening 102 are mainly set that the center position of the first cleaning piece 105 in the horizontal direction is positioned at the front side of the dust suction opening 102; that is, the central horizontal line of the first cleaning member 105 is arranged at the front side of the dust suction opening 102, and at this time, the distance between the dust suction opening 102 and the first cleaning member 105 can be set according to the requirement, so as to facilitate the dust suction opening 102 to suck the ground garbage, at this time, the dust suction opening 102 can be relatively close to the central horizontal line of the first cleaning member 105 upwards, which is beneficial to pushing the garbage to the position of the dust suction opening 102 when the first cleaning member 105 rotates; when the first cleaning member 105 is arranged in a cylindrical structure, the first cleaning member 105 can be arranged at a position relatively close to the circle center but not interfering with the first cleaning member 105, which is more beneficial for the dust suction opening 102 to receive and suck the garbage pushed by the first cleaning member 105.

In order to form a compensation cleaning effect and a multi-step front and back cleaning effect for the mopping cleaning range of the first cleaning piece 105, the scheme is also provided with a second cleaning piece 106 at the bottom of the mopping robot main body 1, the second cleaning piece 106 is provided with a structure capable of moving to perform mopping cleaning, and the contact part of the second cleaning piece 106 and the ground forms a plane structure when the second cleaning piece 106 and the ground are in contact with each other; although the same existing mopping and sucking robot is also provided with a mopping module, the mopping module is directly attached to the ground to be contacted tangentially or flush, the mopping effect is relatively poor, and the scheme has the advantages that when the first cleaning piece 105 is contacted with the ground, the contacted part forms a plane structure under the action of the self force of the mopping and sucking robot or the action of the moving rotating force of the mopping and sucking robot to realize that enough constant pressure is kept between the first cleaning piece 105 and the ground, so that the ground can be cleaned; the second cleaning members 106 may be provided in a horizontal rotating structure or a rotary rolling structure.

The positions of the second cleaning piece 106 and the dust suction opening 102 are defined in such a way that the center position of the second cleaning piece 106 in the horizontal direction is positioned at the rear side of the dust suction opening 102; the first cleaning piece 105, the dust suction port 102 and the second cleaning piece 106 are distributed in the front, middle and rear directions to form a step-by-step cleaning effect of mopping the floor in advance, sucking the garbage and then performing deep cleaning, and the floor can be used for treating stubborn dirt on the floor; meanwhile, the second cleaning piece 106 plays a role of compensating the cleaning range for the first cleaning piece 105, and the two jointly realize the mopping coverage range of the maximum outer diameter width of the mopping robot.

Specifically, the first cleaning member 105 includes a first rotating member 1051 and a second rotating member 1052, and the first rotating member 1051 and the second rotating member 1052 are respectively located at two side positions of the front side of the bottom of the main body 1 of the robot; the corresponding first rotating member 1051 and second rotating member 1052 are arranged to realize left and right mopping cleaning of the floor, so that garbage on the floor can be driven, guided and gathered to the dust suction opening 102, the horizontal rotating directions of the first rotating member 1051 and second rotating member 1052 are mainly set to be opposite, and the first rotating member 1051 and the second rotating member 1052 are set to horizontally rotate along the outer side of the bottom of the mopping robot body 1 towards the inner side and along the front side of the bottom of the mopping robot body 1 towards the rear side; as shown in fig. 3, the horizontal rotation directions of the first rotating member 1051 and the second rotating member 1052 are opposite to each other, so that the rotational forces generated by the two members can be offset, and the influence on the normal walking of the towing and sucking robot caused by the resistance caused by the horizontal rotation is avoided; through setting up first rotating member 1051 and second rotating member 1052 and along the direction horizontal rotation of the front side orientation rear side of the bottom of dragging robot main part 1 make first rotating member 1051 and second rotating member 1052 homoenergetic play the rubbish that drives ground from the past backward gather near dust absorption mouth 102 position region, realize the concentrated gathering suction effect to rubbish, the realization is to offsetting each other of revolving force simultaneously.

The specific structure of the second cleaning element 106 for compensating the cleaning effect of the first cleaning element 105 is that one side end surface of the second cleaning element 106 in the horizontal direction is arranged outside the side end surface of the first rotating element 1051 in the horizontal direction close to the dust suction port 102 and inside the side end surface of the first rotating element 1051 in the horizontal direction far away from the dust suction port 102; the end face of one side of the second cleaning piece 106 is positioned in the range of the area which can be covered by the first cleaning piece 105 for cleaning, so that the first cleaning piece 105 and the second cleaning piece 106 are connected in the horizontal direction or at least partially overlapped to cover the floor area for mopping and cleaning, and the problem of missing the area which can not be mopped can be avoided; meanwhile, the other side end face of the second cleaning piece 106 in the horizontal direction is arranged to be positioned outside the side end face of the second rotating piece 1052 close to the dust suction port 102 in the horizontal direction and to be positioned inside the side end face of the second rotating piece 1052 far away from the dust suction port 102 in the horizontal direction, so that the other side end face of the second cleaning piece 106 is positioned in the range of the area which can be covered by the first cleaning piece 105 for cleaning, and further the effect that the first cleaning piece 105 and the second cleaning piece 106 are connected in the horizontal direction or at least partially overlapped to cover the floor area for mopping and cleaning is realized, and the problem that the area which cannot be dragged is missed is avoided; by limiting the positions of the two side end faces of the second cleaning piece 106 and the first cleaning piece 105, the second cleaning piece 106 can form a compensation effect on the first cleaning piece 105, the area which cannot be dragged by the first cleaning piece 105 can be subjected to compensation mopping cleaning by the second cleaning piece 106, and the integrity of the coverable area of the ground in the horizontal direction is realized.

In order to realize the largest mopping cleaning range of the mopping robot in the process of single walking, the side end faces of the first rotating piece 1051 and the second rotating piece 1052 which are far away from the dust suction port 102 in the horizontal direction are arranged in the side end faces on two sides of the position of the largest outer diameter of the mopping robot main body 1; the first rotating member 1051 and the second rotating member 1052 can be ensured to have the largest cleaning range at the two sides of the main body 1 of the mopping robot in the process of mopping and cleaning the mopping robot when the mopping robot walks, and at the moment, the mopping robot can walk along the wall and the barrier edge and can realize the mopping and cleaning treatment effect on the corners; meanwhile, the mopping and sucking robot realizes the largest area cleaned by mopping the floor once in the process of reciprocating indoors, if the mopping and sucking robot realizes mopping and cleaning by pushing two adjacent walking areas once in the process of walking in a Chinese character 'gong', the mopping and sucking robot can realize the mopping and cleaning without missing and leakage by walking the floor once without overlapping the two adjacent walking areas, and the mopping and sucking robot is favorable for improving the efficiency of mopping and cleaning; and there is no problem that the missing floor area is not cleaned.

According to the scheme, the driving wheels 107 for walking are respectively arranged on the left side and the right side of the bottom of the dragging and sucking robot body 1 according to the position relation between the driving wheels 107 and the first cleaning piece 105 and the second cleaning piece 106, the driving wheels 107 drive the dragging and sucking robot body 1 to walk on the ground to clean each indoor area, and in the scheme, the driving wheels 107 are located between the first cleaning piece 105 and the second cleaning piece 106 in the vertical direction; that is, the first cleaning member 105 is located at the front side of the driving wheel 107, and the second cleaning member 106 is located at the rear side of the driving wheel 107, so that the front and rear distribution arrangement is realized, and a large mopping range can be realized by avoiding the driving wheel 107.

Wherein the dust suction opening 102 can be arranged between the driving wheels 107 at the left side and the right side, and the dust suction opening 102 is arranged between the first cleaning piece 105 and the second cleaning piece 106, which is beneficial to collecting the garbage on the floor to the position of the dust suction opening 102 for suction.

In this embodiment, the driving wheels 107 on the left and right sides are respectively located between the end surfaces on both sides of the first rotating member 1051 and the end surfaces on both sides of the second rotating member 1052 in the vertical direction; as shown in fig. 1, that is, one of the driving wheels 107 is located between two side end faces of the first rotating member 1051, so that the area pressed by the driving wheel 107 during the walking process of the mopping robot is the area cleaned by mopping the floor by the first rotating member 1051; another driving wheel 107 is positioned between the two side end surfaces of the second rotating member 1052, so that the area pressed by the driving wheel 107 when the mopping robot walks is the area cleaned by the second rotating member 1052; the mopping cleaning range of the first rotating member 1051 and the second rotating member 1052 is ensured, and simultaneously, the first rotating member 1051 and the second rotating member 1052 are prevented from pushing garbage on the floor to the position of the driving wheels 107, and the garbage on the floor can enter the dust suction opening 102 along the position area between the driving wheels 107 on the two sides in the process of driving the first rotating member 1051 and the second rotating member 1052, so that the dust suction opening 102 can suck the garbage.

In this embodiment, the end surfaces of the second cleaning element 106 on both sides in the horizontal direction are respectively located outside the side end surfaces of the driving wheels 107 on both sides close to the dust suction port 102, so that when the robot is walking, the second cleaning element 106 covers at least a part of the area pressed by the driving wheels 107 when the robot is walking; in the process of walking of the mopping robot, because the first rotating member 1051 and the second rotating member 1052 clean the floor in advance, at the moment, when the driving wheel 107 walks on the floor in a rotating manner, walking traces are left on the cleaned area of the first rotating member 1051 and the second rotating member 1052, and because the driving wheel 107 also has certain particulate garbage such as dust and the like, the driving wheel is adhered to the floor, at the moment, the second cleaning member 106 cleans the floor area pressed by the driving wheel 107 in a dragging manner on the rear side, so that the walking traces of the driving wheel 107 on the floor can be eliminated and dragged clean, and the floor can be kept in a clean state; optionally, the end surfaces of the second cleaning member 106 on both sides in the horizontal direction are respectively located outside the side end surfaces, close to the dust suction port 102, of the driving wheels 107 on both sides, so that when the mopping robot travels, the second cleaning member 106 covers at least a part or all of the area pressed by the driving wheels 107 on the floor, thereby completely eliminating the travel trace left by the driving wheels 107 on the floor, realizing the secondary mopping cleaning effect on the floor, and having a more thorough cleaning effect.

Optionally, the end surfaces of the second cleaning member 106 at two sides in the horizontal direction are respectively located outside the side end surfaces of the driving wheels 107 at the left and right sides far away from the dust suction port 102, so that when the mopping robot walks, the second cleaning member 106 covers the whole floor area pressed by the driving wheels 107 when the mopping robot walks, and multiple cleaning and step mopping cleaning effects on the floor by the combination of the first cleaning member 105, the second cleaning member 106 and the driving wheels 107 are realized.

For the dragging and sucking robot, the dragging and sucking robot further comprises a universal wheel 108, the universal wheel 108 is located in front of the driving wheel 107 for steering, namely the universal wheel 108 is located at the front side of the dragging and sucking robot and is also the front side of the advancing direction, the positions of the universal wheel 108 and the first cleaning piece 105 and the second cleaning piece 106 are defined such that the universal wheel 108 is located between the first rotating piece 1051 and the second rotating piece 1052 in the horizontal direction, and the universal wheel 108 is located between the two side end faces of the second cleaning piece 106 in the horizontal direction in the vertical direction; the universal wheel 108 can be positioned in the middle position of the front side of the bottom of the main body 1 of the dragging and sucking robot in the horizontal direction, so that the steering is convenient, but the first cleaning piece 105 cannot cover the universal wheel 108; through limiting the cleaning device to be positioned between the end faces of the two sides of the second cleaning piece 106 in the vertical direction, the cleaning device can realize that although the first cleaning piece 105 cannot clean the position of the universal wheel 108 in the walking process of the mopping robot, the ground area pressed by the walking of the universal wheel 108 can be covered by the second cleaning piece 106 for cleaning, so that the first cleaning piece 105 and the second cleaning piece 106 are combined to realize the mopping cleaning of the full coverage of the maximum diameter width range of the mopping robot, the area which cannot be cleaned does not exist, and the large area which can be covered for cleaning is realized.

The second cleaning member 106 of the present embodiment can be divided into two types, the first type is that the second cleaning member 106 can rotate horizontally relative to the ground to clean the ground, the second type is that the second cleaning member 106 can rotate and roll relative to the ground to clean the ground, and the second cleaning member can be specifically set according to the requirement, and can realize the deep cleaning effect on the ground.

The second cleaning member 106 according to the present embodiment may be in a first mode, and specifically, the second cleaning member 106 includes a third rotating member 1063 and a fourth rotating member 1064, the third rotating member 1063 and the fourth rotating member 1064 are configured to rotate horizontally along a ground surface to perform mopping cleaning, and when the third rotating member 1063 and the fourth rotating member 1064 rotate horizontally, inner side end surfaces of the third rotating member 1063 and the fourth rotating member 1064 in a horizontal direction contact each other; as shown in fig. 3, the third cleaning member and the fourth cleaning member are located at two rear side positions of the bottom of the mopping robot body 1, and inner side end faces of the third cleaning member and the fourth cleaning member contact with each other to form a whole area covering the area for mopping and cleaning; the area which can not be cleaned can not be generated, and the first rotating piece 1051 and the second rotating piece 1052 are distributed and arranged front and back, so that the ground can be cleaned by covering the maximum outer diameter and width range of the mopping robot.

The horizontal rotating directions of the third rotating member 1063 and the fourth rotating member 1064 are opposite, and the third rotating member 1063 and the fourth rotating member 1064 are configured to rotate horizontally in a direction from the outer side of the bottom of the drawing robot body 1 to the inner side and from the rear side of the bottom of the drawing robot body 1 to the front side; as shown in fig. 3, the horizontal rotation directions of the third rotating member 1063 and the fourth rotating member 1064 are opposite to each other, so as to offset the rotation force, thereby avoiding affecting the normal walking of the towing and sucking robot; and the garbage on the ground is gathered and pushed to the position of the dust suction opening 102, and the rotating modes of the first rotating member 1051, the second rotating member 1052, the third rotating member 1063 and the fourth rotating member 1064 are set so that the rotating forces in the horizontal direction and the vertical direction are mutually offset, and the normal walking of the dragging and sucking robot is not influenced.

When the mopping robot walks forwards, the first rotating member 1051 and the second rotating member 1052 are positioned at the front side, the floor is cleaned in advance, the third rotating member 1063 and the fourth rotating member 1064 are positioned at the rear side, the floor is cleaned deeply, the area which cannot be cleaned by the first rotating member 1051 and the second rotating member 1052 is compensated and cleaned, and the large coverage area of the cleanable area is realized.

The second cleaning member 106 of the present disclosure may be in a second manner, and specifically, the second cleaning member 106 includes a rotating and dragging member, and the rotating and dragging member is configured to rotate and roll relative to the ground; the first cleaning piece 105 rotates horizontally to scrape the ground and gather the garbage to the dust suction port 102, the garbage is guided to move, the second cleaning piece 106 rolls to achieve the effect of strongly cutting and treating the garbage on the ground, the garbage on the ground is pretreated by the first cleaning piece 105, the garbage on the ground is more easily cut and separated from the ground by the second cleaning piece 106, and the better mopping and cleaning effects are achieved; wherein, the rotation dragging piece at least comprises a first rotation dragging piece 1061 and/or a second rotation dragging piece 1062, and when the rotation dragging piece comprises the first rotation dragging piece 1061 and the second rotation dragging piece 1062, the rotation directions of the first rotation dragging piece 1061 and the second rotation dragging piece 1062 are opposite; if only the first rotary dragging piece 1061 or the second rotary dragging piece 1062 is arranged, although the rotary rolling floor dragging effect on the ground can be realized, the problem that the normal walking of the dragging and sucking robot is affected can occur; this scheme drags the piece soon through the setting and includes that first piece 1061 and the second drags piece 1062 soon and set up its rotation and roll opposite direction, can realize offsetting of rotatory rolling power, can not influence the normal walking to dragging and inhaling the robot, and simultaneously, can gain better clean effect of mopping, first piece 1061 and the second of dragging soon drags piece 1062 to carry out the cutting scraping to subaerial rubbish through two different directions, more be favorable to carrying out the clean ground that breaks away from to the rubbish dirt that subaerial adhesive force is stronger, play the effect of powerful decontamination.

In the process of walking forward of the dragging and sucking robot, the first rotating piece 1051 and the second rotating piece 1052 are located on the front side, the ground is pre-cleaned firstly, the rotating and dragging piece is located on the rear side to perform deep cleaning on the ground, the area which cannot be cleaned by the first rotating piece 1051 and the second rotating piece 1052 is compensated and cleaned, and the large coverage area of the cleanable area is realized.

In order to obtain a better mopping effect, the rotating and rolling direction of the first rotating and rolling piece 1061 is the rotating and rolling direction from the front side to the rear side of the mopping robot body 1 and is opposite to the advancing direction of the mopping robot body 1, at this time, the first rotating and rolling piece 1061 can push larger garbage on the ground to the position of the dust suction opening 102 in the rotating and rolling process, and form an effect of throwing the larger garbage forward, and the larger garbage can be sucked into the garbage box 101 by the dust suction opening 102 in time; the rotating and rolling direction of the second rotary dragging piece 1062 is the rotating and rolling direction from the back side to the front side of the dragging and sucking robot body 1 and is the same as the advancing direction of the dragging and sucking robot body 1, at this time, the second rotary dragging piece 1062 scrapes and cuts the garbage on the ground backwards, and the first rotary dragging piece 1061 is combined with the ground garbage to perform pre-cleaning treatment and deep cleaning treatment on the ground garbage, so that a better mopping and cleaning effect is achieved.

In order to separate the garbage adsorbed on the first rotating and dragging piece 1061 and the second rotating and dragging piece 1062 from the ground and suck the garbage into the garbage box 101 through the dust suction port 102, the present solution may provide a structure in which at least the first rotating and dragging piece 1061 and the second rotating and dragging piece 1062 are in contact with each other and interfere with each other, so that the outer surfaces of the first rotating and dragging piece 1061 and the second rotating and dragging piece 1062 are in contact with each other and interfere with each other at least to form scraping; as shown in fig. 7, the first rotary mop 1061 and the second rotary mop 1062 rotate and roll while contacting with each other to form a scraping effect on the outer surfaces of the first rotary mop 1061 and the second rotary mop 1062, so that the garbage adsorbed on the outer surfaces of the first rotary mop 1061 and the second rotary mop 1062 can be scraped and separated from the ground, and can be conveniently sucked by the dust suction port 102.

According to the scheme, under the effect of realizing multi-step mopping cleaning of the first cleaning piece 105 and the second cleaning piece 106 back and forth, pre-cleaning and deep cleaning can be realized step by step, the ground garbage is pre-cleaned and treated mainly through the first cleaning piece 105, and stubborn garbage stains on the ground are deeply cleaned through the second cleaning piece 106; the compression joint deformation height of a plane structure formed by the contact part of the second cleaning piece 106 and the ground when the second cleaning piece is contacted with the ground is larger than that formed by the contact part of the first cleaning piece 105 and the ground when the second cleaning piece is contacted with the ground, so that the pressure of the second cleaning piece 106 on the ground is larger than that of the first cleaning piece 105, the deformation height during compression joint is larger, the deep mopping cleaning effect is realized, and the normal walking of the mopping robot cannot be influenced. If the pressure of the first cleaning piece 105 to the ground is too large, the normal walking of the dragging and sucking robot can be influenced, the first cleaning piece 105 is mainly arranged on the front side of the driving wheel 107, the problem that the driving wheel 107 slips or deviates in direction or does not walk synchronously easily occurs, therefore, the pressure of the second cleaning piece 106 to the ground is set to be larger than that of the first cleaning piece 105, the driving wheel 107 can normally drive the second cleaning piece 106 to normally walk along with the dragging and sucking robot because the second cleaning piece 106 is arranged on the rear side of the driving wheel 107, and the problem that the second cleaning piece 106 slips or deviates in direction or does not walk synchronously because the pressure to the ground is large.

Specifically, as shown in fig. 8, when the suction robot is not placed on the floor, the height of the first cleaning member 105 is H1, and the height of the second cleaning member 106 is H2, and the first cleaning member 105 and the second cleaning member 106 are in a natural state, that is, the natural height of the two in the vertical direction. When the mopping robot is positioned on the ground to mop the ground for cleaning, the first cleaning piece 105 and the second cleaning piece 106 are pressed downwards under the action of the gravity of the mopping robot or the action of the movement rotating force of the mopping robot, and the first cleaning piece 105 and the second cleaning piece 106 are pressed and attached to the ground to form a pressing and deforming height; as shown in fig. 9, at this time, the first cleaning piece 105 is in close contact with the ground, so that the height of the first cleaning piece 105 is H1 ', the crimping deformation height of the first cleaning piece 105 is H1-H1', at this time, the second cleaning piece 106 is in close contact with the ground, so that the height of the second cleaning piece 106 is H2 ', the crimping deformation height of the second cleaning piece 106 is H2-H2', and at the same time, it is ensured that H2-H2 'is greater than H1-H1', so that a greater crimping deformation height of the second cleaning piece 106 to the ground forms a greater pressure, and a deep cleaning effect of the second cleaning piece 106 can be achieved in the process of rotating the first cleaning piece 105 and the second cleaning piece 106 to mop and clean the ground, which is beneficial to removing stubborn residual dirt and garbage on the ground; and simultaneously, the step-by-step mopping and cleaning effect is realized, and the mopping and cleaning efficiency is favorably improved.

In order to realize that H2-H2 'is larger than H1-H1', the second cleaning member 106 can be made to deeply clean the floor by setting the center of gravity of the drawing robot at a position which is located at the rear side of the center by making the mounting heights of the first cleaning member 105 and the second cleaning member 106 in the vertical direction different, or making the hardness of the first cleaning member 105 and the second cleaning member 106 different, that is, making them easy to be pressed, or making the center of gravity of the drawing robot located at a position which is located at the rear side of the center.

Optionally, mops are arranged on the outer sides of the first cleaning piece 105 and the second cleaning piece 106, and are used for contacting the ground to mop the ground for cleaning, wherein the hardness of the mops of the first cleaning piece 105 is greater than that of the mops of the second cleaning piece 106, so that the effects of better scraping the ground by the first cleaning piece 105 and collecting the garbage to the dust suction opening 102 are achieved, the large garbage can be pretreated, and the mops of the first cleaning piece 105 are relatively hard and are not easy to adhere to the garbage, so that the garbage on the ground can be scraped to the dust suction opening 102 more easily; the mop hardness of the second cleaning member 106 is relatively soft, so that the second cleaning member can be better pressed and attached to the ground to adsorb small garbage and dust, and further the deep cleaning effect is realized.

In order to achieve the effect of rotating and shoveling the garbage on the ground by the first rotating member 1051 and the second rotating member 1052 and push the garbage on the ground to the position of the dust suction port 102, the present solution can provide a structure that the outer sides of the first rotating member 1051 and the second rotating member 1052 are outwardly expanded, mainly the outer sides are inclined outwards at an angle relative to the axes of the first rotating member 1051 and the second rotating member 1052, and the outer sides are inclined at an angle towards the horizontal rotating direction of the first rotating member 1051 and the second rotating member 1052; make first rotating member 1051, second rotating member 1052 outwards play the effect of shovel ground rubbish soon at the in-process of horizontal rotation, play the scraping simultaneously to the direction of horizontal rotation and drive ground rubbish gathering towards dust absorption mouth 102 position, and then gather the regional position on ground that the middle part that drags suction robot main part 1 corresponds with the rubbish on ground, be the regional position on ground that dust absorption mouth 102 corresponds promptly, make things convenient for dust absorption mouth 102 to take rubbish to collect in rubbish box 101.

Optionally, the outer sides of the first rotating member 1051 and the second rotating member 1052 are wrapped by a silicone member with a soft structure, and the silicone member is in an annular or sheet structure, so that a better rotary shoveling effect on the ground can be achieved.

The scheme also comprises that a first cleaning piece 105 and a second cleaning piece 106 are arranged to be structures which can float relative to the ground, a motor is arranged in the main body 1 of the dragging and sucking robot and connected with a driving module, the driving module can be used for driving the first cleaning piece 105 and the second cleaning piece 106 to rotate, wherein a pressing shell is arranged on the upper portions of the first cleaning piece 105 and the second cleaning piece 106 and movably connected with the driving module, and the movable driving of the rotating structure is realized mainly through movable shaft connection; the spring can be further arranged between the pressing shell and the driving module, floating between the driving module and the pressing shell is achieved through the spring, then the pressing shell is achieved to drive the upper floating structure and the lower floating structure of the first cleaning piece 105 and the second cleaning piece 106, walking of the mopping robot is facilitated to be promoted to cross obstacles, meanwhile, the first cleaning piece 105 and the second cleaning piece 106 can keep certain floating pressure on the ground, and the mopping cleaning effect is facilitated to be promoted.

In order to keep the first cleaning piece 105 and the second cleaning piece in a wet state for a long time, the scheme is that a water storage tank 103 is arranged in the dragging and sucking robot body 1, a water outlet device 104 is connected and installed on the water storage tank 103, and the water outlet device 104 is arranged in a structure of synchronously or alternatively supplying water to the first cleaning piece 105 and the second cleaning piece 106; the water outlet device 104 is communicated with the inside of the water storage tank 103, and the water outlet device 104 is respectively connected above the first cleaning piece 105 and the second cleaning piece 106 through a water separator and a pipeline, so that the first cleaning piece 105 and the second cleaning piece 106 can be supplied with water to wet and mop the floor for cleaning; the water outlets 104 can simultaneously supply water to the first cleaning member 105 and the second cleaning member 106, or alternatively supply water to the first cleaning member 105 and the second cleaning member 106, and the number of the water outlets 104 can be one or more; it is only necessary that the water in the water storage tank 103 be supplied to the first cleaning member 105 and the second cleaning member 106, thereby achieving wet mopping cleaning of the floor surface.

Optionally, the water outlet device 104 is configured as a water pump or an electromagnetic pump, and can control whether the water storage tank 103 is discharged, and the speed and time of water discharge.

In order to realize the automatic cleaning of the first cleaning piece 105 and the second cleaning piece 106 and solve the problem of cleaning by manual disassembly, the mopping robot further comprises a cleaning seat 2, the mopping robot can be placed on the cleaning seat 2 and then automatically clean the first cleaning piece 105 and the second cleaning piece 106, and the cleaning is realized by utilizing the self-movement of the first cleaning piece 105 and the second cleaning piece 106; the cleaning seat 2 is arranged to be an independent structure relative to the main body 1 of the mopping robot, the mopping robot can be located on the ground to walk to clean dust and mopping the ground when leaving the cleaning seat 2, when a first cleaning piece 105 and a second cleaning piece 106 need to be cleaned, the user can place the mopping robot on the cleaning seat 2, a cleaning groove 201 for placing the first cleaning piece 105 and/or the second cleaning piece 106 is arranged on the cleaning seat 2, the user can add water to the cleaning groove 201 to clean the first cleaning piece 105 and the second cleaning piece 106, and the cleaning groove 201 at least covers a part of the side part of the first cleaning piece 105 and/or the second cleaning piece 106 and forms a relatively closed structure; because of the first cleaning piece 105 and the second cleaning piece 106 can stir the water level and throw the water when rotating and cleaning in the cleaning tank 201, at this time, the cleaning tank 201 is arranged to cover the side part of the first cleaning piece or the second cleaning piece to realize a certain water retaining effect, so that the water in the cleaning tank 201 is prevented from overflowing outwards, a relatively closed structure is formed between the cleaning tank 201 and the first cleaning piece 105 or the second cleaning piece 106, the water in the cleaning tank 201 is prevented from being thrown outwards due to the movement of the first cleaning piece 105 or the second cleaning piece 106, the water level stirring can form a flushing effect on the first cleaning piece 105 and the second cleaning piece 106, the water level stirring enables the water to be turned over in the relatively closed cleaning tank 201 to form a flushing effect, and a better cleaning effect can be achieved.

In order to achieve better cleaning effect, the present solution provides that the rotation direction of the first cleaning member 105 or the second cleaning member 106 when the first cleaning member 105 or the second cleaning member 106 is located on the ground for mopping cleaning is at least opposite to the rotation direction of the first cleaning member 105 or the second cleaning member 106 when the first cleaning member 105 or the second cleaning member 106 is located in the cleaning tank 201 and is submerged by the water in the cleaning tank 201 for cleaning; as shown in fig. 11 and 13, the first cleaning member 105 or the second cleaning member 106 moves in contact with the ground in the same direction to clean the floor, so that the surface of the first cleaning member 105 or the second cleaning member 106 is pressed against the ground to form a pressed film, and the floor is poor in cleaning effect when the pressed film is formed, and needs to be cleaned, and the pressed film is broken and disappears in the process of cleaning the first cleaning member 105 or the second cleaning member 106 in the cleaning tank 201 by setting the rotation direction of the first cleaning member 105 or the second cleaning member 106 when the cleaning tank 201 is used for cleaning to be opposite to the rotation direction of the first cleaning member 105 or the second cleaning member 106 when the floor is used for cleaning, so that the cleaning effect is good, and the first cleaning member 105 and the second cleaning member 106 can be cleaned deeply, the dirt and garbage in the cleaning machine can be better cleaned.

Specifically, the outer portions of the first cleaning member 105 and the second cleaning member 106 are provided with a bristle-implanted layer, and the bristle-implanted layer is provided with a soft structure.

In order to achieve the effect that the first cleaning member 105 and the second cleaning member 106 can spin after being washed, the present solution can further provide that the rotating direction of the first cleaning member 105 or the second cleaning member 106 when a part of the first cleaning member 105 or the second cleaning member 106 is submerged by the water in the washing tank 201 is opposite to the rotating direction of the first cleaning member 105 or the second cleaning member 106 when the first cleaning member 105 or the second cleaning member 106 is spin-dried by the water in the washing tank 201; as shown in fig. 12, when the first cleaning element 105 or the second cleaning element 106 is cleaned in the same direction, the water in the cleaning tank 201 sprays the surface of the cleaning tank to break the squeeze film, the water fully enters the cleaning tank, after the cleaning is completed, a user can pour the sewage in the cleaning tank 201, and then the mopping and sucking robot is placed in the cleaning seat 2 for spin-drying, and the rotation direction during the cleaning is set to be opposite to the spin-drying rotation direction, so that the sewage in the cleaning tank can be rapidly spun out, and the first cleaning element 105 and the second cleaning element 106 can be kept in a certain micro-wet state.

The working principle is as follows: according to the scheme, the first cleaning piece 105 and the second cleaning piece 106 are arranged to mop the ground for cleaning, the first cleaning piece 105 and the second cleaning piece 106 are arranged to be movable structures, the first cleaning piece 105 and the second cleaning piece 106 are opened to move to mop the ground when the mopping robot walks on the ground, the range area capable of mopping the ground is enlarged by limiting the positions of the first cleaning piece 105 and the second cleaning piece 106, and the mopping cleaning range on the maximum outer diameter width is ensured; and the walking of the mopping robot is not influenced under the mopping cleaning by setting the moving directions of the first cleaning piece 105 and the second cleaning piece 106, so that the mopping cleaning effect and efficiency are improved.

It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.

Claims (16)

1. A mopping robot, comprising: the garbage collection and suction robot comprises a dragging and suction robot main body, wherein a garbage box is installed in the dragging and suction robot main body, a dust suction port is formed in the bottom of the dragging and suction robot main body, and the dust suction port and the garbage box are communicated to enable garbage on the ground to enter the garbage box through the dust suction port to be collected; the method is characterized in that: the front side of the bottom of the main body of the dragging and sucking robot is provided with a first cleaning piece, the first cleaning piece is arranged to be a structure which can be attached to the ground to horizontally rotate so as to drag the ground for cleaning, and when the first cleaning piece is contacted with the ground, the contacted part forms a plane structure;

the center position of the first cleaning piece in the horizontal direction is positioned at the front side of the dust suction port;

the bottom of the main body of the dragging and sucking robot is also provided with a second cleaning piece, the second cleaning piece is provided with a structure capable of moving to perform mopping and cleaning, and when the second cleaning piece is contacted with the ground, the contacted part forms a plane structure;

the center position of the second cleaning piece in the horizontal direction is positioned at the rear side of the dust suction port;

the first cleaning piece comprises a first rotating piece and a second rotating piece, and the first rotating piece and the second rotating piece are respectively positioned at two sides of the front side of the bottom of the dragging and sucking robot main body;

one side end surface of the second cleaning piece in the horizontal direction is positioned outside the side end surface of the first rotating piece close to the dust suction port in the horizontal direction and is positioned inside the side end surface of the first rotating piece far away from the dust suction port in the horizontal direction;

the other side end surface of the second cleaning member in the horizontal direction is located outside the side end surface of the second rotating member in the horizontal direction close to the dust suction port and inside the side end surface of the second rotating member in the horizontal direction far away from the dust suction port.

2. A tractor according to claim 1, wherein: the horizontal rotating directions of the first rotating piece and the second rotating piece are opposite, and the first rotating piece and the second rotating piece are arranged to horizontally rotate along the direction that the outer side of the bottom of the drawing and sucking robot body faces the inner side and the front side of the bottom of the drawing and sucking robot body faces the rear side.

3. A tractor according to claim 2, wherein: the side end faces of the first rotating piece and the second rotating piece which are far away from the dust suction port in the horizontal direction are positioned in the side end faces on two sides of the maximum outer diameter position of the dragging and sucking robot body.

4. A tractor according to claim 1, wherein: the left side and the right side of the bottom of the dragging and sucking robot main body are respectively provided with a driving wheel for walking, and the driving wheels are located between the first cleaning piece and the second cleaning piece in the vertical direction.

5. A towing and sucking robot according to claim 4, wherein: the driving wheels on the left side and the right side are respectively positioned between the end surfaces on the two sides of the first rotating piece and between the end surfaces on the two sides of the second rotating piece in the vertical direction.

6. A towing and sucking robot according to claim 4, wherein: the end surfaces of the second cleaning piece on two sides in the horizontal direction are respectively positioned outside the side end surfaces, close to the dust suction port, of the driving wheels on the left side and the right side, so that the second cleaning piece at least covers one part of an area pressed by the driving wheels when the main body of the mopping robot walks on the ground.

7. A tractor according to claim 1, wherein: the dragging and sucking robot further comprises a universal wheel, wherein the universal wheel is located between the first rotating piece and the second rotating piece in the horizontal direction, and the universal wheel is located between the end faces of the two sides of the second cleaning piece in the horizontal direction in the vertical direction.

8. A tractor according to claim 1, wherein: the second cleaning piece comprises a third rotating piece and a fourth rotating piece, the third rotating piece and the fourth rotating piece are arranged to be capable of rotating horizontally to be attached to the ground to clean the mopping floor, and when the third rotating piece and the fourth rotating piece rotate horizontally, the inner side end faces of the third rotating piece and the fourth rotating piece in the horizontal direction are in contact with each other.

9. A tractor according to claim 8, wherein: the horizontal rotating directions of the third rotating piece and the fourth rotating piece are opposite, and the third rotating piece and the fourth rotating piece are arranged to horizontally rotate along the direction that the outer side of the bottom of the drawing and sucking robot body faces the inner side and the rear side of the bottom of the drawing and sucking robot body faces the front side.

10. A tractor according to claim 1, wherein: the second cleaning piece comprises a rotary pulling piece which is arranged to be in a structure capable of rotating and rolling relative to the ground; the rotating and dragging piece at least comprises a first rotating and dragging piece and/or a second rotating and dragging piece, and when the rotating and dragging piece comprises the first rotating and dragging piece and the second rotating and dragging piece, the rotating and dragging directions of the first rotating and dragging piece and the second rotating and dragging piece are opposite.

11. A tractor according to claim 10, wherein: the rotating and rolling direction of the first rotating and dragging piece is the rotating and rolling direction along the direction from the front side to the rear side of the dragging and sucking robot main body and is opposite to the advancing direction of the dragging and sucking robot main body; the rotating and rolling direction of the second rotating and dragging piece is the rotating and rolling direction along the direction from the rear side to the front side of the dragging and sucking robot body and is the same as the advancing direction of the dragging and sucking robot body.

12. A tractor according to claim 10, wherein: the first rotating and dragging piece and the second rotating and dragging piece are at least provided with a mutual contact and interference structure, so that the outer surfaces of the first rotating and dragging piece and the second rotating and dragging piece at least contact and interfere with each other to form scraping.

13. A tractor according to claim 1, wherein: the contact part of the second cleaning piece and the ground surface when in mutual contact forms a plane structure, and the compression deformation height of the plane structure is larger than that of the first cleaning piece and the ground surface when in mutual contact.

14. A tractor according to claim 1, wherein: the mopping and sucking robot is characterized in that a water storage tank is arranged in the main body of the mopping and sucking robot, a water outlet device is connected with the water storage tank, and the water outlet device is of a structure which supplies water to the first cleaning piece and the second cleaning piece synchronously or alternatively.

15. A tractor according to claim 1, wherein: the cleaning seat is arranged to be an independent structure relative to the main body of the dragging and sucking robot, a cleaning groove for placing the first cleaning piece and/or the second cleaning piece is arranged on the cleaning seat, and the cleaning groove at least covers one part of the side part of the first cleaning piece and/or the second cleaning piece and forms a relatively closed structure.

16. A tractor according to claim 15 wherein: the rotating direction of the first cleaning piece or the second cleaning piece when the first cleaning piece or the second cleaning piece is positioned on the ground for mopping cleaning is at least opposite to the rotating direction of the first cleaning piece or the second cleaning piece when the first cleaning piece or the second cleaning piece is positioned in the cleaning groove and is not cleaned by water flooding in the cleaning groove;

or the rotating direction of the first cleaning piece or the second cleaning piece when a part of the first cleaning piece or the second cleaning piece is submerged by water in the cleaning groove and is not cleaned is at least opposite to the rotating direction of the first cleaning piece or the second cleaning piece when the first cleaning piece or the second cleaning piece is separated from the water in the cleaning groove and is dried.

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