CN213282745U

CN213282745U - Cleaning assembly and cleaning robot

Info

Publication number: CN213282745U
Application number: CN202021193114.XU
Authority: CN
Inventors: 郑连荣
Original assignee: Shenzhen Silver Star Intelligent Technology Co Ltd
Current assignee: Shenzhen Silver Star Intelligent Group Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-05-28
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to the field of cleaning equipment, and discloses a cleaning assembly and a cleaning robot, wherein the cleaning assembly is provided with a rear rolling brush with a first transverse axis and a front rolling brush with a second transverse axis, and the front rolling brush and the rear rolling brush are arranged side by side to form a middle gap through which compressed air and an object to be cleaned can pass; the front rolling brush is provided with a plurality of first bulges, the rear rolling brush is provided with a plurality of second bulges, the first bulges are in one-to-one correspondence with the second bulges, the corresponding first bulges and the second bulges are more convenient for clamping objects to be cleaned, the second transverse axis is parallel to the first transverse axis, when the front rolling brush and the rear rolling brush rotate, at least one part of at least one first bulge is in contact with at least one part of at least one second bulge, the adsorption effect of the objects to be cleaned is enhanced, the objects to be cleaned with larger size can pass through, the cleaning effect is good, and the problem that the existing double-brush structure cannot well sweep larger garbage on a surface to be cleaned into a garbage box of the cleaning robot is solved.

Description

Cleaning assembly and cleaning robot

Technical Field

The utility model relates to a cleaning device field especially relates to a clean subassembly to and a cleaning robot.

Background

Along with the higher and higher demands and expectations of people on intelligent cleaning, the cleaning function of the cleaning robot is continuously updated, and the existing cleaning robot can automatically clean floors and carpets, so that great convenience is brought to people.

In order to enhance the cleaning capability of the cleaning robot, some manufacturers provide a double-brush cleaning assembly in the cleaning robot, but the existing double-brush structure cannot well sweep the large garbage on the surface to be cleaned into the garbage box of the cleaning robot.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a clean effectual clean subassembly.

A cleaning assembly, comprising:

the back rolling brush is used for cleaning a surface to be cleaned and is provided with a first transverse axis;

the front rolling brush and the rear rolling brush are arranged side by side to form a middle gap through which compressed air and an object to be cleaned can pass, the front rolling brush is provided with a second transverse axis, the second transverse axis is parallel to the first transverse axis, the front rolling brush is provided with a plurality of first protrusions, the rear rolling brush is provided with a plurality of second protrusions, the first protrusions and the second protrusions are in one-to-one correspondence, and when the front rolling brush and the rear rolling brush rotate, at least one part of at least one first protrusion is in contact with at least one part of at least one second protrusion;

the rolling brush frame is provided with the front rolling brush and the rear rolling brush.

The cleaning device is characterized in that a rear rolling brush with a first transverse axis and a front rolling brush with a second transverse axis are arranged side by side to form a middle gap through which compressed air and an object to be cleaned can pass, so that the object to be cleaned can be sucked from the middle gap; the front rolling brush is provided with a plurality of first bulges, the rear rolling brush is provided with a plurality of second bulges, the first bulges are in one-to-one correspondence with the second bulges, the corresponding first bulges and the second bulges are more convenient for clamping objects to be cleaned, the second transverse axis and the first transverse axis are parallel to each other, so that the middle gaps of the front rolling brush and the rear rolling brush are uniform, the objects to be cleaned are convenient to clamp, the cleaning effect is better than that when the first bulges and the second bulges which are not in one-to-one correspondence are not arranged, when the front rolling brush and the rear rolling brush rotate, at least one part of at least one first bulge is in contact with at least one part of at least one second bulge, under the condition that the suction force of a power source is not changed, the ventilation area is reduced at the middle gap, the adsorption effect of the objects to be cleaned can be enhanced, and the width of the middle gap between the front rolling brush and the rear rolling brush is not changed, compared with the structure that the width of the middle gap is directly reduced, the objects to, the cleaning effect is better, and the problem that the existing double-brush structure can not well sweep the larger garbage on the surface to be cleaned into the garbage box of the cleaning robot is solved.

Further preferably, the cleaning assembly further comprises:

the mounting bracket, mounting bracket and round brush frame swing joint, the mounting bracket can rotate with the round brush frame and be connected, can connect and form the sliding pair, perhaps connects through link mechanism, and swing joint's existence can let round brush or round brush frame obtain the buffering when surmounting the obstacle.

Further preferably, the horizontal plane of the second transverse axis is higher than the horizontal plane of the first transverse axis. When the obstacle-crossing device is used for crossing obstacles, compared with a front rolling brush and a rear rolling brush which are at the same height above the ground, the front rolling brush with higher height and the rear rolling brush with lower height can be more adaptive to uneven cleaning surfaces such as doorsills or carpets, and the obstacle-crossing can be more stable.

Further preferably, the second transverse axis is in the same horizontal plane as the first transverse axis, and the diameter of the front rolling brush is smaller than that of the rear rolling brush. The second transverse axis and the first transverse axis are positioned on the same horizontal plane, and the diameter of the front rolling brush is smaller than that of the rear rolling brush, so that when the ground is cleaned, the rear rolling brush is grounded to clean the surface to be cleaned, the front rolling brush is suspended, and the suspension space vertically below the front rolling brush enables compressed air to better circulate, thereby solving the problem of insufficient suction force caused by simultaneous collision of the front rolling brush and the rear rolling brush on the cleaning surface and enabling the cleaning effect to be better; compared with the structure that the second transverse axis is directly arranged to be higher than the first axis, the structure not only can achieve the effect of increasing airflow circulation, but also has the effect of reducing the volume, and the vertical height dislocation design of a transmission assembly of the motor is not needed; the front rolling brush and the rear rolling brush are arranged in the rolling brush frame in a centralized mode, so that the front rolling brush and the rear rolling brush can be driven to rotate by the same motor, and space and energy consumption are saved.

Further preferably, one of the rolling brush frame and the mounting frame is provided with a rotating shaft, the other of the rolling brush frame and the mounting frame is provided with a cylindrical groove, and the rotating shaft and the cylindrical groove are connected to form a structure capable of rotating by taking the central line of the cylindrical groove or the rotating shaft as an axis;

the cylindrical groove is provided with an opening, the opening is formed in the cylindrical groove to form two limiting ends, the rotating shaft is provided with limiting bulges, the rolling brush frame is opposite to the mounting frame, the limiting bulges are arranged between the two limiting ends and rotate relative to the two limiting ends, and the rolling brush frame stops rotating when the limiting bulges are abutted against one of the limiting ends.

Rotation through cooperation realization brush carrier and the mounting bracket of pivot and cylindric recess is connected, and be equipped with the opening on the cylindric recess and form two spacing ends, the pivot rotates when spacing protruding contradicts with one of them spacing end, the rotation stops, it has restricted brush carrier's rotation angle, concentrate spacing protruding setting in rotating the connection and set up the locating part that replaces traditional cleaning module to set up respectively at two rotation limit angles of brush carrier, only need to install the pivot in cylindric recess and can realize spacingly, need not to set up unnecessary locating part, the installation is simple, the brute force installation problem that unreasonable locating part caused has been avoided.

Further preferably, the opening is followed the length direction of cylindric recess sets up the opening that forms the bar, spacing protruding edge the length direction of pivot sets up the spacing arch that forms the bar, and the opening of bar and the spacing protruding cooperation of bar have increased lifting surface for spacing arch is difficult to damage.

Further preferably, the rotating shaft is provided with a cylindrical curved surface, the limiting protrusion extends out of the cylindrical curved surface along the radial direction of the cylindrical curved surface, and the limiting protrusion can be fixedly connected with the cylindrical curved surface of the rotating shaft in an integrated manner.

Further preferably, the cleaning assembly further comprises:

spacing portion, spacing portion with brush frame and mounting bracket are connected, are used for the restriction brush frame for the mounting bracket removes, prevents that brush frame or mounting bracket from warping the brush frame that leads to and coming off.

Further preferably, the mounting frame is provided with mounting holes;

the limiting part is provided with a tail part which penetrates through the mounting hole and is fixedly connected with the rotating shaft; the limiting part is also provided with a head part, and the diameter of the head part is larger than that of the mounting hole.

Spacing portion runs through the mounting hole and the pivot fixed connection of mounting bracket through the afterbody, prevents that spacing portion from droing from one of them side, drops from the opposite side through spacing portion of head restriction, realizes that the restriction round brush frame prevents that the round brush frame from droing for the removal of mounting bracket. Especially, when the tail part is in threaded connection with the rotating shaft, the compactness between the rolling brush frame and the mounting frame can be adjusted.

Further preferably, the front rolling brush and the rear rolling brush having a reverse rolling mode are arranged side by side so that the object to be cleaned can be clamped therebetween, the front rolling brush rolls forward, the rear rolling brush rolls backward, and the object to be cleaned in front of the front rolling brush can be clamped and sucked from the middle gap more easily.

Further preferably, the front rolling brush and/or the rear rolling brush are/is a brush, a rubber brush or a sponge brush, and the front rolling brush and the rear rolling brush can be the same or different types of rolling brushes.

Compared with the prior art, the cleaning assembly of the utility model has the advantages that the rear rolling brush with the first transverse axis and the front rolling brush with the second transverse axis are arranged, the front rolling brush and the rear rolling brush are arranged side by side to form a middle gap through which compressed air and objects to be cleaned can pass, so that the objects to be cleaned can be sucked from the middle gap; the front rolling brush is provided with a plurality of first bulges, the rear rolling brush is provided with a plurality of second bulges, the first bulges are in one-to-one correspondence with the second bulges, the corresponding first bulges and the second bulges are more convenient for clamping objects to be cleaned, the second transverse axis and the first transverse axis are parallel to each other, so that the middle gaps of the front rolling brush and the rear rolling brush are uniform, the objects to be cleaned are convenient to clamp, the cleaning effect is better than that when the first bulges and the second bulges which are not in one-to-one correspondence are not arranged, when the front rolling brush and the rear rolling brush rotate, at least one part of at least one first bulge is in contact with at least one part of at least one second bulge, under the condition that the suction force of a power source is not changed, the ventilation area is reduced at the middle gap, the adsorption effect of the objects to be cleaned can be enhanced, and the width of the middle gap between the front rolling brush and the rear rolling brush is not changed, compared with the structure that the width of the middle gap is directly reduced, the objects to, the cleaning effect is better, and the problem that the existing double-brush structure can not well sweep the larger garbage on the surface to be cleaned into the garbage box of the cleaning robot is solved. The utility model discloses a clean subassembly has the obstacle more steady, clean effectual, occupy small, simple to operate and the characteristics of energy saving consumption more.

The utility model discloses still further provide a cleaning machines people, including machine base and clean subassembly, clean subassembly sets up the front portion of machine base.

Through setting up the machine base, the cleaning assembly can be installed on the machine base through connecting pieces such as mounting bracket, the cleaning assembly sets up the front portion of machine base for when cleaning robot is driving, the cleaning assembly can meet cleaning object and barrier earlier, than preceding round brush and back round brush of same terrain clearance, higher preceding round brush and the back round brush of lower height can be with higher adaptation of clean surface of height unevenness such as threshold or carpet, it can be more steady to hinder more, different terrain clearance's setting prevents preceding round brush and clean ground contact, than preceding round brush and back round brush of same terrain clearance, make the thing of treating in front of the preceding round brush can get into the middle part clearance in the suspension space below the preceding round brush, the problem that the thing of treating is difficult to inhale rubbish box from the middle part clearance has been solved, the cleaning performance is better, the problem that the clearance air circulation is not enough to lead to the poor in the preceding round brush and the high round brush middle part clearance of same terrain clearance is solved The problem of low adaptation degree of the surface to be cleaned with low unevenness.

Compared with the prior art, the cleaning robot has the advantages that the cleaning assembly can be arranged on the machine base through the arrangement of the machine base and can be arranged on the machine base through the connecting pieces such as the mounting frame, the cleaning assembly is arranged at the front part of the machine base, so that when the cleaning robot runs, the cleaning assembly can meet a cleaning object and a barrier firstly, and compared with a front rolling brush and a rear rolling brush with the same ground clearance, the front rolling brush with higher height and the rear rolling brush with lower height can be more adaptive to the uneven cleaning surface such as a threshold or a carpet, the obstacle crossing can be more stable, the arrangement of different ground clearances can prevent the front rolling brush from contacting with the cleaning ground, compared with the front rolling brush and the rear rolling brush with the same ground clearance, the cleaning object in front of the front rolling brush can enter the middle clearance from the suspension space below the front rolling brush, and the problem that the cleaning object is difficult to suck into a garbage box, the cleaning effect is better to solved the not enough problem of the cleaning effect that leads to of clearance air circulation in the middle part of the preceding round brush of same terrain clearance and back round brush and in the uneven problem that the surface adaptation degree is low of treating cleaning. The utility model discloses a cleaning machines people has clean effectual and the high characteristics of adaptation degree.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Figure 1 is a bottom view of the cleaning assembly of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is a schematic view showing the connection relationship between the front and rear roll brushes and the roll brush holder;

FIG. 5 is a schematic structural view of a rotary shaft according to another embodiment;

FIG. 6 is a schematic structural view of a roll brush holder according to another embodiment;

FIG. 7 is an enlarged view of a portion of region C of FIG. 1;

FIG. 8 is an enlarged view of a portion of the area D in FIG. 2;

fig. 9 is a schematic structural view of the cleaning robot of the present invention.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.

The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The cleaning robot can be a robot for cleaning, such as a mopping robot, a sweeping robot, a floor wiping robot, a floor washing robot and the like.

The surface to be cleaned can be a floor, a carpet surface to be cleaned.

The object to be cleaned can be hair, dust, debris and the like on the surface to be cleaned, which need to be cleaned.

Example one

As shown in fig. 1 and 2, fig. 1 is a bottom view of the cleaning assembly of the present invention, and fig. 2 is a sectional view a-a of fig. 1.

The utility model discloses a clean subassembly, include:

the cleaning device comprises a rear rolling brush 1, wherein the rear rolling brush 1 is provided with a first transverse axis, the first transverse axis is a rotation central axis of the rear rolling brush 1, the rear rolling brush 1 is used for cleaning a surface to be cleaned, and the rear rolling brush 1 can be a brush, a rubber brush or a sponge brush, is in contact with the surface to be cleaned when in use and is driven by power to rotate, so that the surface to be cleaned is cleaned.

The cleaning device comprises a front rolling brush 2, the front rolling brush 2 and a rear rolling brush 1 are arranged side by side to form a middle gap 3 through which compressed air and objects to be cleaned can pass, the front rolling brush 2 is provided with a second transverse axis, the second transverse axis and the first transverse axis are located on the same horizontal plane, the second transverse axis is a rotating central axis of the front rolling brush 2, the diameter of the front rolling brush 2 is smaller than that of the rear rolling brush 1, so that when the ground is cleaned, the rear rolling brush 1 lands on the ground to clean a cleaning surface, the front rolling brush 2 is suspended, a suspension space below the front rolling brush 2 in the vertical direction enables the compressed air to better circulate, the cleaning effect is better, the cleaning device can be more adaptive to cleaning surfaces with high and low unevenness such as doorsills or carpets, and obstacle crossing can be more stable. The second transverse axis and the first transverse axis are in the same horizontal plane, which means that when the front rolling brush 2 and the rear rolling brush 1 are installed, the first transverse axis and the second transverse axis are in the same horizontal plane. The front rolling brush 2 can be a brush, a rubber brush or a sponge brush, and the front rolling brush 2 and the rear rolling brush 1 can be the same or different types of rolling brushes. In another embodiment, in the structural connection relationship between the front rolling brush 2 and the rear rolling brush 1, the horizontal plane of the second transverse axis may be higher than the horizontal plane of the first transverse axis, instead of the second transverse axis and the first transverse axis being on the same horizontal plane, and the diameter of the front rolling brush 2 being smaller than the diameter of the rear rolling brush 1, so that the front rolling brush 2 can be suspended when the front cleaning surface of the rear rolling brush 1 is in contact.

The front rolling brush 2 is suspended, the rear rolling brush 1 and the front rolling brush 2 cannot simultaneously contact with the cleaning surface, and compared with the front rolling brush 2 and the rear rolling brush 1 which have the same height above the ground, the structure increases the air entering between the front rolling brush 2 and the rear rolling brush 1 when the obstacle is crossed, so that the adsorption effect is enhanced; moreover, the arrangement that the second transverse axis and the first transverse axis are located on the same horizontal plane, and the diameter of the front rolling brush 2 is smaller than that of the rear rolling brush 1, compared with the traditional middle brush butt clamp, the cleaning effect is improved, meanwhile, the occupied volume of the cleaning assembly can be smaller, compared with the arrangement that the horizontal plane where the second transverse axis is located is directly higher than the horizontal plane where the first transverse axis is located, the occupied volume can also be smaller, the reduction of the volume can vacate more space for a water tank and a garbage box in the cleaning robot with the cleaning assembly, and the processing capacity of the cleaning robot with the cleaning assembly is improved; in addition, the front rolling brush 2 with higher height and the rear rolling brush 1 with lower height can be more adaptive to uneven cleaning surfaces such as doorsills or carpets, and obstacle crossing can be more stable.

In order to optimize the cleaning effect, it is preferable that the front roll brush 2 is configured in a forward rolling manner, and the rear roll brush 1 is configured in a backward rolling manner in a reverse rolling manner to the front roll brush 2, so that the object to be cleaned can be pinched therebetween. The front rolling brush 2 rolls forwards, and the rear rolling brush 1 rolls backwards, so that the object to be cleaned in front of the front rolling brush 2 is clamped and sucked from the middle gap 3 more easily. Wherein, the forward rolling is the rolling direction of the walking wheels when the cleaning robot moves forwards, and the backward rolling is the rolling direction opposite to the forward rolling. In this embodiment, can roll through power drive back round brush 1 such as motor, at this moment, through set up the gear train on the motor, pass through the gear train simultaneously with power transmission for preceding round brush 2, make preceding round brush 2 forward roll, back round brush 1 backward roll, treat the cleaning object with the clamp-up, in another embodiment, preceding round brush 2 also can not power drive, at this moment, preceding round brush 2 is when meetting protruding when treating the cleaning surface such as threshold carpet, unpowered and rotatable preceding round brush 2 still can the uneven clean surface of adaptation, make obstacle crossing steadily.

Middle part clearance 3, middle part clearance 3 are the clearance between preceding round brush 2 and the back round brush 1, and when round brush 2 adopted and back round brush 1 adopted sponge brush or glue brush before adopting, can be little when adopting the brush with the ratio that middle part clearance 3 set up to reinforcing suction.

The front rolling brush 2 is provided with a plurality of first protrusions, the rear rolling brush 1 is provided with a plurality of second protrusions, the first protrusions correspond to the second protrusions one to one, the second transverse axis is parallel to the first transverse axis, and when the front rolling brush 2 and the rear rolling brush 1 rotate, at least one part of at least one first protrusion is in contact with at least one part of at least one second protrusion. The corresponding first and second protrusions are more convenient for clamping the object to be cleaned, the second transverse axis and the first transverse axis are parallel to each other, so that the gap 3 between the middle parts of the front rolling brush 2 and the rear rolling brush 1 is uniform, the object to be cleaned is conveniently clamped, the cleaning effect is better than that when the first bulges and the second bulges which are in one-to-one correspondence are not arranged, at least a portion of at least one of the first protrusions is in contact with at least a portion of at least one of the second protrusions when the front and rear roll brushes 2 and 1 are rotated, the ventilation area is reduced at the middle gap 3 under the condition that the suction force of the power source is not changed, the adsorption effect of the object to be cleaned can be enhanced, and the width of the middle gap 3 between the front rolling brush 2 and the rear rolling brush 1 is unchanged, compared with a structure which directly reduces the width of the middle gap 3, the structure can pass through the object to be cleaned with larger size, and the cleaning effect is better.

The first and second protrusions may take a variety of forms:

in material, the first protrusion and the second protrusion can be bristles, adhesive tapes, sponge bodies or protrusions formed by alternately arranging the bristles and the adhesive tapes; the first protrusion and the second protrusion may be made of the same material or different materials;

structurally, the first protrusion and the second protrusion may be protrusions arranged at equal angles along the central axis of the rolling brush, may be protrusions arranged in a shape like a Chinese character 'V' along the outer circumference of the rolling brush, and may also be spiral protrusions arranged along the outer circumference of the rolling brush; the first protrusion and the second protrusion may be continuous protrusions from one end to the other end of the roll brush, or may be protrusions having a plurality of stages from one end to the other end of the roll brush. The first and second protrusions may have the same or different structures, for example, the first protrusion may be a protrusion continuous from one end of the roll brush to the other end thereof, and the second protrusion may be a protrusion having a plurality of stages from one end of the roll brush to the other end thereof.

In order to control the first protrusion and the second protrusion to be in contact when the diameter of the front roller brush 2 is equal to that of the rear roller brush 1, there may be various ways, such as the first protrusion and the second protrusion are entirely provided in a mirror image of a central plane of the intermediate gap 3, which is a central plane perpendicular to a line perpendicular to the first transverse axis and the second transverse axis, the first protrusion and the second protrusion are made to be in full contact by controlling the rotation speeds of the front roller brush 2 and the rear roller brush 1 to be equal, and the partial contact is made by reducing or increasing the number of the first protrusion or the second protrusion based on the mirror image. For another example, when the first protrusions and the second protrusions are radially arranged with the central axis of the brush as the axis, the angle multiple of the interval arrangement of one of the first protrusions and the second protrusions may be changed to realize partial contact, for example, the first protrusions are arranged at 60 degrees intervals, and the second protrusions are arranged at 30 degrees intervals.

In order to control the first protrusion and the second protrusion to be in contact when the diameter of the front roller brush 2 is smaller than that of the rear roller brush 1, there may be various ways, such as controlling the rotation speeds of the front roller brush 2 and the rear roller brush 1 to be equal so that the first protrusion and the second protrusion are in at least partial contact every one rotation, and in particular, when the first protrusion and the second protrusion are both arranged in parallel along the central axis of the roller brush and radially arranged with the central axis as an axis at an interval of 180 degrees, the first protrusion and the second protrusion may be in complete contact regardless of how much the diameter value of the front roller brush 2 is smaller than that of the rear roller brush 1. Partial contact can be achieved by reducing or increasing the number of first or second protrusions on the basis of a mirror image arrangement.

The rolling brush rack 4 is provided with the front rolling brush 2 and the rear rolling brush 1 on the rolling brush rack 4, the front rolling brush 2 and the rear rolling brush 1 are intensively arranged in the rolling brush rack 4, so that the front rolling brush 2 and the rear rolling brush 1 can be driven to rotate by using the same motor, and the space and the energy consumption are saved.

Mounting bracket 5, mounting

bracket

5 and 4 swing joint of round brush frame, mounting bracket 5 can rotate with round brush frame 4 and be connected, be provided with mounting hole 52 on the mounting bracket 5, mounting hole 52 is used for spacing portion 6 to penetrate, makes round brush frame 4 and mounting bracket 5 are connected, are used for the restriction round brush frame 4 for mounting bracket 5 removes, prevents that round brush frame 4 or mounting bracket 5 from warping round brush frame 4 that leads to and droing. In another embodiment, the mounting frame 5 and the rolling brush frame 4 may be connected to form a moving pair, which may be realized by a cylinder or an elastic structure member such as a spring, and the moving direction of the rolling brush frame 4 relative to the mounting frame 5 may be vertical upward or oblique upward. The mounting frame 5 and the rolling brush frame 4 can also be connected through a connecting rod mechanism, when the connecting rod mechanism is connected, the connecting rod mechanism at least comprises a rotating rod, one end of the rotating rod is hinged with the mounting frame 5, and the other end of the rotating rod is hinged with the rolling brush frame 4. The existence of the movable connection can lead the rolling brush or the rolling brush frame 4 to be buffered when the obstacle is crossed.

As shown in fig. 3, fig. 3 is a sectional view B-B of fig. 1.

The utility model discloses a clean subassembly still includes:

and the dust suction port 7 is arranged above the middle gap 3 between the front rolling brush 2 and the rear rolling brush 1. During the use, back round brush 1 and floor or carpet contact can make the thing of treating the cleanness pass through in the suspension space of preceding round brush 2 liftoff with middle part clearance 3 setting up in the front and back round brush 1 middle part clearance 3 top of round brush 2, and get into the middle part clearance 3 between preceding round brush 2 and the back round brush 1, and then get into in the dust absorption mouth 7.

As shown in fig. 4 in conjunction with fig. 1, fig. 4 is a schematic view showing a connection relationship between the front and rear roll brushes 2 and 1 and the roll brush holder 4.

The front rolling brush 2 and the rear rolling brush 1 can be integrally arranged in the rolling brush frame 4, and a motor and a gear set are arranged on one side of the rolling brush frame 4, so that one motor drives the two rolling brushes to roll.

The rotating shaft 41 can have various forms, two rotating shafts 41 at the left and right can be arranged on the rolling brush frame 4, the two rotating shafts 41 are respectively matched with two cylindrical grooves 51 at the left and right on the mounting rack 5, two supports can be extended from the rolling brush frame 4, the two rotating shafts 41 are respectively fixedly connected onto the two supports, the rotating shaft 41 is arranged into a split type left and right two rotating shafts 41, so that the installation is more convenient, one rotating shaft 41 is firstly sleeved into one cylindrical groove 51 of the mounting rack 5, and the other rotating shaft 41 is clamped into the other cylindrical groove 51 to realize the rotating connection of the rolling brush frame 4 and the mounting rack 5. At this time, a space for deformation exists between the two rotating shafts 41, and the roller brush holder 4 is likely to be separated from the mounting frame 5 after a long time use. Of course, the rotating shaft 41 may be directly provided to extend from the body of the roller brush holder 4, but the manner of extending the bracket from the roller brush holder 4 may change the rotational connection position of the roller brush holder 4 and the mounting bracket 5.

As shown in fig. 5, fig. 5 is a schematic structural diagram of a rotating shaft 41 according to another embodiment.

The rotating shaft 41 can also be an integral rotating shaft 41, one rotating shaft 41 is matched with the two cylindrical grooves 51 on the mounting frame 5, the connection is firmer, and the deformation space between the two rotating shafts 41 is reduced for the connection of the integral rotating shaft 41 and the cylindrical grooves 51 relative to the two split rotating shafts 41, so that the rotating shaft 41 and the cylindrical grooves 51 are not easy to deform.

At this time, the rotating shaft 41 may also be arranged in segments, for example, the integral rotating shaft 41 is divided into three segments and split shafts, and each segment of the split shafts may be fixed by threaded connection.

As shown in fig. 6, fig. 6 is a schematic structural view of a rolling brush holder 4 according to another embodiment.

In order to eliminate the deformation space between the two rotating shafts 41 and simultaneously transfer the mounting position of the rotating shaft 41 from the body of the rolling brush frame 4 to another position convenient for mounting, a connecting seat can be arranged on the rolling brush frame 4 and extends out of the body of the rolling brush frame 4, and a connecting hole for connecting the rotating shaft 41 is arranged on the connecting seat, wherein the connecting hole can be a through hole or blind holes at two ends.

When the connecting hole is a through hole, a rotating shaft 41 can be arranged to penetrate through the connecting hole, the rotating shaft 41 protrudes from two ends of the connecting hole, the protrusions at the two ends are connected with two cylindrical grooves 51 on the mounting frame 5, and the rotating connection of the rolling brush frame 4 and the mounting frame 5 is completed;

when the connecting hole is a blind hole at two ends, two rotating shafts 41 can be arranged and fixed on the two blind holes respectively, and the two rotating shafts 41 are connected with the two cylindrical grooves 51 on the mounting frame 5 respectively to complete the rotating connection of the rolling brush frame 4 and the mounting frame 5.

As shown in fig. 7, fig. 7 is a partially enlarged view of the region C in fig. 1.

In the present embodiment, the rotation shaft 41 is provided on the roll brush holder 4, and the cylindrical recess 51 is provided on the mounting bracket 5. There are various arrangements of the rotating shaft 41 and the cylindrical recess 51, for example, the rotating shaft 41 may be arranged on the mounting frame 5, and the cylindrical recess 51 may be arranged on the roller brush holder 4. In another embodiment, the rotating shaft 41 may also be an independent component, a through hole through which the rotating shaft 41 can penetrate is formed in the rolling brush holder 4, a cylindrical groove 51 is formed in the mounting frame 5, during installation, the rotating shaft 41 penetrates through the through hole in the rolling brush holder 4, and then the rolling brush holder 4 through which the rotating shaft 41 penetrates is rotatably connected to the mounting frame 5 through the rotating shaft 41 to complete the rotating connection. In a modified embodiment, the cylindrical groove 51 may be provided on the roller brush holder 4, in which case the mounting bracket 5 is provided with a through hole, and the rotating shaft 41 sequentially penetrates through the cylindrical groove 51 on the roller brush holder 4 and the through hole on the mounting bracket 5 and is inserted into the other cylindrical groove 51 on the roller brush holder 4 to complete the rotating connection.

In order to make the connection of the roller brush holder 4 to the mounting frame 5 more secure and to prevent the roller brush holder 4 from translating on the mounting frame 5, a stop portion 6 is preferably provided.

Spacing portion 6, spacing portion 6 has afterbody 62, afterbody 62 runs through mounting hole 52 with pivot 41 fixed connection, it is specific, afterbody 62 can carry out threaded connection with pivot 41, when afterbody 62 carries out threaded connection with pivot 41, can also adjust the degree of compactness between brush frame 4 and the mounting bracket 5. The limiting part 6 is also provided with a head part 61, and the diameter of the head part 61 is larger than that of the mounting hole 52. Spacing portion 6 runs through mounting hole 52 and pivot 41 fixed connection of mounting bracket 5 through afterbody 62, prevents that spacing portion 6 from droing from one of them side, and spacing portion 6 is droed from the opposite side through head 61 restriction, realizes the removal of restriction brush frame 4 for mounting bracket 5, prevents that brush frame 4 from droing.

As shown in fig. 8, fig. 8 is a partially enlarged view of a region D in fig. 2.

In order to reduce the number of mounting parts and to achieve structural integration, it is preferable that the cylindrical recess 51 is provided with an opening 511, the rotation shaft 41 is provided with a stopper protrusion 411, and the rotation range of the roll brush holder 4 is restricted by disposing the stopper protrusion 411 in the opening 511. The range of rotation is preferably 10 to 30 degrees, which can be achieved by the relationship between the angle of the arc length corresponding to the opening 511 and the angle of the arc length corresponding to the restricting protrusion 411.

An opening 511, the cylindrical groove 51 has an opening 511, and the opening 511 forms two limit ends on the cylindrical groove 51. The opening 511 may be formed in a bar shape along a length direction of the cylindrical recess 51.

Spacing arch 411, pivot 41 has spacing arch 411, brush carrier 4 is relative during mounting bracket 5 rotates, spacing arch 411 is two for two between the spacing end rotates, spacing arch 411 contradicts one of them during spacing end, brush carrier 4 stall. The rotation connection between brush holder 4 and mounting bracket 5 is realized through the cooperation of pivot 41 and cylindric recess 51 to be equipped with opening 511 on the cylindric recess 51 and form two spacing ends, pivot 41 rotates to spacing arch 411 and when one of them spacing end contradicts, and the rotation stops, and it has restricted brush holder 4's rotation angle. Spacing arch 411 can follow the length direction of pivot 41 sets up the spacing arch 411 that forms the bar, and the opening 511 of bar and the spacing arch 411 cooperation of bar have increased lifting surface for spacing arch 411 is difficult to damage. The rotating shaft 41 is provided with a cylindrical curved surface, the limiting protrusion 411 extends out of the cylindrical curved surface along the radial direction of the cylindrical curved surface, and the limiting protrusion 411 can extend out of the cylindrical curved surface of the rotating shaft 41 in a fixed connection manner such as an integral connection manner. Set up spacing arch 411 and concentrate the locating part that sets up to replace traditional clean module and set up respectively at two rotation limit angles of round brush frame 4 in rotating the connection, only need to install pivot 41 and can realize spacingly in cylindric recess 51, need not to set up unnecessary locating part, the installation is simple, avoided setting up the stopper on the roll frame and setting up the spacing groove on mounting bracket 5 to and the inconvenient problem of installation that its needs brute force to block the stopper into the spacing groove by force.

In addition, the rotating range of the rolling brush holder 4 can be changed by replacing the opening 511 with two spacing ends having different distances, for example, the cylindrical groove 51 can be set as a detachable piece, so that the rotating range of the rolling brush holder 4 can be changed; specifically, cylindric recess 51 can be threaded connection on mounting bracket 5, during the installation to the axis of screw thread mounting hole is the central line, and rotatory to different angles can adjust the rotatable range of brush frame 4 for the ground reference system, and at this moment, all be provided with arch or recess on mounting bracket 5 and the cylindric recess 51, correspond with arch or recess on mounting bracket 5 and the cylindric recess 51, the angle of brush frame 4 is standard installation angle, standard installation angle can be in the front brush 2 and the back brush 1 is installed and finishes the back on brush frame 4, and first transverse axis and second transverse axis all are in the horizontal plane.

In another embodiment, the cylindrical recess 51 may be provided with a limiting protrusion 411, and the rotating shaft 41 may be provided with an opening 511.

Compared with the prior art, the cleaning assembly of the utility model is provided with the rear rolling brush 1 with the first transverse axis and the front rolling brush 2 with the second transverse axis, the front rolling brush 2 and the rear rolling brush 1 are arranged side by side to form a middle gap 3 through which compressed air and an object to be cleaned can pass, so that the object to be cleaned can be sucked from the middle gap 3; the front rolling brush 2 is provided with a plurality of first bulges, the rear rolling brush 1 is provided with a plurality of second bulges, the first bulges are in one-to-one correspondence with the second bulges, the corresponding first bulges and the second bulges are more convenient to clamp an object to be cleaned, the second transverse axis is parallel to the first transverse axis, so that the middle gaps 3 of the front rolling brush 2 and the rear rolling brush 1 are uniform, the object to be cleaned is convenient to clamp, the cleaning effect is better than that when the first bulges and the second bulges which are not in one-to-one correspondence are not arranged, when the front rolling brush 2 and the rear rolling brush 1 rotate, at least one part of at least one first bulge is in contact with at least one part of at least one second bulge, under the condition that the suction force of a power source is not changed, the ventilation area is reduced at the middle gap 3, the adsorption effect of the object to be cleaned can be enhanced, and the width of the middle gap 3 between the front rolling brush 2 and the rear rolling brush 1 is not changed, compared with the structure which directly reduces the width of the middle gap 3, the structure can pass through the object to be cleaned with larger size, has better cleaning effect, and solves the problem that the existing double-brush structure can not well sweep larger garbage on the surface to be cleaned into the garbage box of the cleaning robot;

the second transverse axis and the first transverse axis are positioned on the same horizontal plane, and the diameter of the front rolling brush 2 is smaller than that of the rear rolling brush 1, so that when the ground is cleaned, the rear rolling brush 1 is grounded to clean the surface to be cleaned, the front rolling brush 2 is suspended, and the suspension space vertically below the front rolling brush 2 enables compressed air to better circulate, thereby solving the problem of insufficient suction force caused by the fact that the front rolling brush 2 and the rear rolling brush 1 simultaneously abut against the cleaning surface, and enabling the cleaning effect to be better; when the obstacle crossing is carried out, compared with the front rolling brush 2 and the rear rolling brush 1 which are at the same height above the ground, the front rolling brush 2 with higher height and the rear rolling brush 1 with lower height can be more adaptive to uneven cleaning surfaces such as doorsills or carpets and the like, and the obstacle crossing can be more stable; compared with a structure that the second transverse axis is directly arranged to be higher than the first axis, the structure not only can achieve the effect of increasing airflow circulation, but also has the effect of reducing the volume, and the staggered design of the vertical height of the transmission assembly of the motor is not needed;

the front rolling brush 2 and the rear rolling brush 1 are arranged in the rolling brush frame 4 in a centralized mode, so that the front rolling brush 2 and the rear rolling brush 1 can be driven to rotate by the same motor, and space and energy consumption are saved. The utility model discloses a clean subassembly has the obstacle more steady, clean effectual, occupy small, simple to operate and the characteristics of energy saving consumption more.

Example two

As shown in fig. 9, fig. 9 is a schematic structural diagram of the cleaning robot of the present invention.

The utility model discloses still further provide a cleaning machines people, it includes machine base 8 to and the clean subassembly in the above-mentioned embodiment, clean subassembly can be through mounting bracket 5 fixed connection on machine base 8.

The cleaning assembly is preferably arranged in front of the machine base 8 so that the floating front roller brush 2 and the grounded rear roller brush 1 can better adapt to a raised environment to be cleaned, such as a carpet or a doorsill, when the cleaning robot works. The front part of the machine base 8 can be the front half part of the machine base 8 which is bounded by the central lines of the left and right traveling wheels, the front half part can be the bottom surface of the machine base 8, and the front rolling brush 2 and the rear rolling brush 1 can face the surface to be cleaned when the cleaning assembly is arranged on the ground or the side surface.

The cleaning assembly further comprises a fan assembly and a trash bin.

During normal work, round brush frame 4 rotates under the action of gravity and waits for cleaning surface contact to back round brush 1 and floor or carpet, and preceding round brush 2 suspends, opens the fan subassembly among the cleaning machines people for treat that the cleaning object can be from the place ahead of round brush 2, is absorbed the suspension space of preceding round brush 2 below, again in the past round brush 2 and the back round brush 3 between the middle part clearance 3 get into the dust absorption mouth 7 above the middle part clearance 3, and then fall into in the rubbish box.

When the cleaning brush meets the surface to be cleaned, such as a carpet or a threshold, and the like, which is convex, the front rolling brush 2 is abutted against the surface to be cleaned, and the rear rolling brush 1 enters the surface to be cleaned, which is convex, so that the structure can be better suitable for the environment to be cleaned, such as the carpet or the threshold, and the like, which is convex.

Compared with the prior art, the cleaning robot of the utility model has the advantages that the cleaning component can be arranged on the machine base 8 through the arrangement of the machine base 8 and can be arranged on the machine base 8 through the connecting pieces such as the mounting frame 5, the cleaning component is arranged at the front part of the machine base 8, so that when the cleaning robot runs, the cleaning component can meet the cleaning object and the obstacle firstly, compared with the front rolling brush 2 and the rear rolling brush 1 with the same ground clearance, the front rolling brush 2 with higher height and the rear rolling brush 1 with lower height can be more adaptive to the cleaning surface with uneven height such as a threshold or a carpet, the obstacle crossing can be more stable, the arrangement with different ground clearances can prevent the front rolling brush 2 from contacting with the cleaning ground, compared with the front rolling brush 2 and the rear rolling brush 1 with the same ground clearance, the object to be cleaned in front of the front rolling brush 2 can enter the middle clearance 3 from the suspension space below the front rolling brush 2, and the problem that the object to be, the cleaning effect is better to solved the same high preceding round brush 2 of ground clearance and the problem that the poor cleaning effect that leads to of back round brush 1 middle part 3 circulation of air inadequately and treat that the clean surface adaptation degree is low at the height unevenness. The utility model discloses a cleaning machines people has clean effectual and the high characteristics of adaptation degree.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A cleaning assembly, comprising:

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

the mounting frame is movably connected with the rolling brush frame.

3. The cleaning assembly of claim 2, wherein the second transverse axis is at a higher level than the first transverse axis.

4. The cleaning assembly of claim 2 wherein the second transverse axis is in a horizontal plane with the first transverse axis, and the diameter of the front roller brush is smaller than the diameter of the rear roller brush.

5. The cleaning assembly of claim 3 or 4,

one of the rolling brush frame and the mounting frame is provided with a rotating shaft,

the other side of the rolling brush frame and the mounting frame is provided with a cylindrical groove,

the rotating shaft is connected with the cylindrical groove to form a structure capable of rotating by taking the central line of the cylindrical groove or the rotating shaft as an axis;

the cylindrical groove is provided with an opening, the opening forms two limit ends on the cylindrical groove,

the rotating shaft is provided with a limiting bulge,

the brush carrier is relative when the mounting bracket rotates, spacing arch is two between the spacing end for two spacing end rotates, spacing arch is contradicted one of them during spacing end, brush carrier stall.

6. The cleaning assembly of claim 5, wherein the opening is formed in a strip shape along the length direction of the cylindrical groove, and the limiting protrusion is formed in a strip shape along the length direction of the rotating shaft.

7. The cleaning assembly of claim 6, wherein the shaft has a cylindrical curved surface, and the retaining protrusion extends from the cylindrical curved surface in a radial direction of the cylindrical curved surface.

8. The cleaning assembly of claim 5, further comprising:

the limiting part is connected with the rolling brush frame and the mounting frame and used for limiting the rolling brush frame to move relative to the mounting frame.

9. The cleaning assembly of claim 8, wherein the mounting bracket is provided with mounting holes;

10. The cleaning assembly of claim 9, wherein the front roll brush is arranged side by side in a forward rolling manner and the rear roll brush having a reverse rolling manner so that the object to be cleaned can be nipped therebetween.

11. The cleaning assembly of claim 10, wherein the front and/or rear roller brush is a brush, a glue brush, or a sponge brush.

12. A cleaning robot comprising a cleaning assembly and a machine base, wherein the cleaning assembly is as claimed in any one of claims 1 to 11, and the cleaning assembly is disposed at a front portion of the machine base.