CN218832659U - Brush head assembly of cleaning robot and cleaning robot - Google Patents

Abstract

The utility model relates to the technical field of robot, a cleaning machines people's brush head assembly and cleaning machines people is disclosed, including casing, drive assembly and a plurality of cleaning brush subassembly, be equipped with the dust absorption mouth on the casing, drive assembly locates in the casing, a plurality of cleaning brush subassemblies are located on the casing, a plurality of cleaning brush subassemblies dislocation is arranged, drive assembly is used for the drive a plurality of cleaning brush subassemblies rotate, so that a plurality of cleaning brush subassemblies sweep ground rubbish into the dust absorption mouth. In this scheme, cleaning machines people is when dragging ground operation, and the area of contact with ground has been expanded to a plurality of cleaning brush subassemblies of dislocation arrangement, has avoided the phenomenon that ground leaks to drag, has improved cleaning machines people's clean ability.

Description

Brush head assembly of cleaning robot and cleaning robot

Technical Field

The utility model relates to a robot cleaning technology field especially relates to a cleaning machines people's brush first subassembly and cleaning machines people.

Background

The cleaning robot is one kind of intelligent household appliances, and can automatically complete floor cleaning work in a room by means of certain artificial intelligence.

At present, some cleaning robots clean the ground garbage by rotating the rotating rag, but the rotating rag cannot clean the ground dry garbage well, and the cleaning effect is poor.

Other cleaning robots realize the cleaning of ground garbage through the rotation of the cloth roller, however, sundries such as hair on the ground are easily wound on the cloth roller in the rotation process of the cloth roller, and the cloth roller is easily dirty and smelly, so that the cleaning effect of the cleaning robot is reduced.

In addition, some cleaning robots gather the ground garbage together through the rotation of the single-row brush heads, however, the single-row brush heads are easy to leak and drag in the cleaning process, so that the cleaning effect is poor.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a cleaning robot's brush first subassembly and cleaning robot aims at providing to solve the poor technical problem of the clean effect of the first subassembly of brush among the prior art.

The embodiment of the utility model provides a solve its technical problem and adopt following technical scheme: providing a brush head assembly of a cleaning robot, the brush head assembly comprising:

the dust collector comprises a shell, wherein a dust suction port is formed in the shell;

the driving assembly is arranged in the shell;

the cleaning brush assembly comprises a plurality of cleaning brush assemblies, the cleaning brush assemblies are arranged on the shell and are arranged in a staggered mode, and the driving assembly is used for driving the cleaning brush assemblies to rotate so that the cleaning brush assemblies can sweep ground garbage into the dust collection port.

In some embodiments, the plurality of cleaning brush assemblies are arranged in at least two rows, and the plurality of cleaning brush assemblies in two adjacent rows are arranged in a staggered manner.

In some embodiments, the housing comprises a bottom plate and a top plate which are oppositely arranged, the driving assembly is positioned on one side of the bottom plate facing the top plate, and the dust suction port is positioned on one side surface of the bottom plate facing away from the top plate;

every the cleaning brush subassembly all includes brush dish subassembly and the brush dish seat subassembly that is connected, brush dish seat subassembly is located the bottom plate orientation one side of roof, and with drive assembly is connected, brush dish subassembly is located the bottom plate deviates from one side of roof, drive assembly drive brush dish seat subassembly rotates to drive brush dish subassembly rotates, makes brush dish subassembly sweep ground rubbish into the dust absorption mouth.

In some embodiments, the brush holder assembly comprises:

the rotating shaft assembly comprises a rotating shaft, a bearing and a fixed disc, the fixed disc is arranged at one end of the rotating shaft, which is far away from the brush disc assembly, one end of the rotating shaft, which is close to the brush disc assembly, penetrates through the bottom plate and is connected with the brush disc assembly, and the bearing is assembled on the rotating shaft;

the synchronous belt wheel is fixed at one end of the fixed disc, which is far away from the rotating shaft;

and the fixed gear is fixed at one end of the synchronous belt wheel, which deviates from the fixed disc.

In some embodiments, the brush tray assembly comprises:

the connecting disc is fixedly connected with one end of the rotating shaft;

the scraper blade is arranged on the surface of one side, far away from the rotating shaft, of the connecting disc.

In some embodiments, the drive assembly comprises:

the driving motor is arranged on the top plate;

and the conveying assembly is connected between the driving motor and the plurality of cleaning brush assemblies through the conveying assembly so as to transmit the power of the driving motor to the plurality of cleaning brush assemblies, wherein the conveying assembly comprises a plurality of conveying belts and/or a plurality of conveying gears.

In some embodiments, in the plurality of brush pan assemblies, a fixed gear of a part of the brush pan assemblies is connected with the driving motor through a transmission gear;

the synchronous belt wheels of two adjacent brush disc seat assemblies are connected through a conveying belt, or the fixed gears of two adjacent brush disc seat assemblies are connected through a transmission gear.

In some embodiments, the bottom plate is provided with a first through hole, the connecting disc comprises a body part and a protruding part, the protruding part is arranged on an end surface of the body part on one side facing the rotating shaft, the protruding part is arranged in the first through hole, and the scraper is arranged on a surface of the body part on one side far away from the rotating shaft;

the rotating shaft is provided with a flat key, the protruding portion is provided with a rotating shaft hole and a key groove, the rotating shaft hole is communicated with the key groove, the rotating shaft is assembled in the rotating shaft hole, and the flat key is assembled in the key groove.

In some embodiments, the brush disc assembly further includes a first magnetic attraction member, a first groove is formed on the bottom surface of the rotating shaft hole, and the first magnetic attraction member is disposed in the first groove;

the brush disc seat assembly further comprises a second magnetic suction piece, a second groove is formed in the end portion of the rotating shaft, and the second magnetic suction piece is arranged in the second groove;

after the rotating shaft is assembled to the rotating shaft hole, the first magnetic suction piece is propped against the second magnetic suction piece.

In some embodiments, a plurality of third grooves are formed in a surface of the bottom plate on a side away from the top plate, the first through hole is formed in a bottom surface of the third groove, and the body part is formed in the third groove;

a plurality of fourth grooves are formed in the surface of one side, away from the bottom plate, of the top plate, the second through hole is formed in the bottom surface of each fourth groove, the aperture of the second through hole is larger than the diameter of the synchronous belt pulley and smaller than the diameter of the fixed gear, the fixed gear is arranged in the fourth grooves, and the synchronous belt pulley and the rotating shaft are located on one side, facing the bottom plate, of the top plate after penetrating through the second through hole.

In some embodiments, the casing further includes a scraping strip, the scraping strip is disposed on a periphery of one side of the bottom plate close to the dust suction opening, the scraping strip is in an unclosed shape, and the brush disc assembly is disposed on an inner side of the scraping strip.

The embodiment of the utility model provides a solve its technical problem and still adopt following technical scheme: providing a cleaning robot comprising a brush head assembly as described above, and;

the brush head assembly is arranged on the shell;

the fan is arranged in the shell;

the dust box is arranged in the shell, one end of the dust box is communicated with the air suction opening of the fan, and the other end of the dust box is communicated with the dust suction opening.

Compared with the prior art, the embodiment of the utility model provides a cleaning machines people's brush head subassembly and cleaning machines people, brush head subassembly include casing, drive assembly and a plurality of cleaning brush subassembly, be equipped with the dust absorption mouth on the casing, drive assembly locates in the casing, a plurality of cleaning brush subassemblies are located on the casing, a plurality of cleaning brush subassemblies dislocation is arranged, drive assembly is used for the drive a plurality of cleaning brush subassemblies rotate, so that a plurality of cleaning brush subassemblies sweep ground rubbish into the dust absorption mouth. In this scheme, cleaning machines people is when dragging ground operation, and the area of contact with ground has been expanded to a plurality of cleaning brush subassemblies of dislocation arrangement, has avoided the phenomenon that ground leaks to drag, has improved cleaning machines people's clean ability.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a schematic perspective view of a cleaning robot according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a cleaning robot provided by an embodiment of the present invention;

FIG. 3 is a schematic view of a brush head assembly according to an embodiment of the present invention;

FIG. 4 is an exploded view of a brush head assembly according to an embodiment of the invention;

FIG. 5 is a schematic view of another angle of the brush head assembly of the embodiment of the present invention;

FIG. 6 is a schematic structural view of a bottom plate and a lower sidewall of an embodiment of the present invention;

FIG. 7 is an exploded view of a cleaning brush assembly according to an embodiment of the present invention;

FIG. 8 is a schematic sectional view of the assembled housing and cleaning brush assembly of the embodiment of the present invention;

FIG. 9 is a schematic view of an assembly of seven cleaning brush assemblies and a drive assembly according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a top plate and an upper side wall of the embodiment of the invention;

FIG. 11 is a schematic structural view of a rotating shaft and a fixed disk according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a connection pad according to an embodiment of the present invention.

The utility model discloses the reference numeral: 100 cleaning robot; 10 a brush head assembly; 11 dust suction ports; 12 a housing; 120 a backplane; 1200 a first via; 1201 a third groove; 121 a top plate; 1210 a fourth groove; 1211 a second through hole; 1212 an opening; 122 side walls; 1220 an upper sidewall; 1221 lower side walls; 123 a first cavity; 124 an extension portion; 1240 a second cavity; 125 scraping the strip; 13 a drive assembly; 130 driving a motor; 131 a transfer assembly; 1310 a conveyor belt; 1311 a first conveyor belt; 1312 a second conveyor belt; 1320 a transmission gear; 1321 a first transfer gear; 1322 second transfer gear; 1323 a third transfer gear; 1324 a fourth transfer gear; 1325 a fifth transfer gear; 14 cleaning the brush assembly; 140 a brush tray assembly; 1400 connecting discs; 14000 a body part; 14010 a projection; 14011 a rotating shaft hole; 14012 a keyway; 14013 a first groove; 1408 a squeegee; 1409 a first magnetic attraction piece; 141 brush holder assembly; 1410 rotating shaft components; 1411, a rotating shaft; 14110 a flat bond; 14111 a second groove; 1414 bearings; 1415 fixing the disc; 1412 a timing pulley; 1413 fixing the gear; 1416 a second magnetic attachment; 1401 a first cleaning brush assembly; 1402 a second cleaning brush assembly; 1403 a third cleaning brush assembly; 1404 a fourth cleaning brush assembly; 1405 a fifth cleaning brush assembly; 1406 a sixth cleaning brush assembly; 1407 a seventh cleaning brush assembly; 20 a housing; 30 fans; 40 dust box.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "connected" to another element, it can be directly on the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "upper", "lower", "top" and "bottom" used in the present specification indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The brush head assembly of the cleaning robot and the cleaning robot provided by the embodiment of the present invention will be described in detail with reference to fig. 1 to 12.

Referring to fig. 1 to 2, a cleaning robot 100 provided by an embodiment of the present invention includes a brush head assembly 10, a housing 20, a fan 30 and a dust box 40, the brush head assembly 10 is disposed on the housing 20, the brush head assembly 10 includes a dust suction opening 11, the fan 30 is disposed in the housing 20, the dust box 40 is disposed in the housing 20, one end of the dust box 40 is communicated with an air suction opening of the fan 30, and the other end of the dust box 40 is communicated with the dust suction opening 11.

In the present embodiment, the housing 20 generally takes a circular shape, but is not limited thereto, and for example, the housing 20 may also take a triangular shape, a D-shape, a square shape, and the like. The brush head assembly 10, the fan 30 and the dust box 40 are respectively assembled on the housing 20, wherein the brush head assembly 10 is assembled on the bottom surface of the housing 20, the fan 30 and the dust box 40 are generally assembled inside the housing 20, when the cleaning robot 100 performs a cleaning operation on the ground, the brush head assembly 10 contacts with the ground and sweeps garbage on the ground into the dust suction port 11, and then the garbage in the dust suction port 11 is sucked into the dust box 40 under the negative pressure of the fan 30 to complete the cleaning of the ground.

Referring to fig. 3 to 6, in some embodiments, the brush head assembly 10 includes a housing 12, a driving assembly 13 and a plurality of cleaning brush assemblies 14, the dust suction opening 11 is disposed on the housing 12, the driving assembly 13 is disposed in the housing 12, the plurality of cleaning brush assemblies 14 are disposed on the housing 12, the plurality of cleaning brush assemblies 14 are arranged in a staggered manner, and the driving assembly 13 is configured to drive the plurality of cleaning brush assemblies 14 to rotate, so that the plurality of cleaning brush assemblies 14 sweep the floor waste into the dust suction opening 11.

Specifically, the dust suction opening 11 and the plurality of cleaning brush assemblies 14 are both disposed on one side of the housing 12 facing the bottom surface of the housing 20, the driving assembly 13 is disposed in the housing 12 and is used for driving the plurality of cleaning brush assemblies 14 to rotate, when the cleaning robot 100 cleans the floor, the driving assembly 13 is started and drives the plurality of cleaning brush assemblies 14 to rotate, and the garbage on the floor is swept into the dust suction opening 11 through the rotation of the plurality of cleaning brush assemblies 14. And the garbage in the dust suction port 11 is sucked into the dust box 40 under the negative pressure of the fan 30.

In this embodiment, since the plurality of cleaning brush assemblies 14 are arranged in a staggered manner, the phenomenon of floor drag leakage caused by a single row of brush heads is effectively avoided, the contact area with the floor is increased, and the cleaning capability of the cleaning robot 100 is improved.

In some embodiments, the dust suction port 11 may be provided in plurality to improve its ability to suck in the garbage.

In some embodiments, the plurality of cleaning brush assemblies 14 are arranged in at least two rows, and the plurality of cleaning brush assemblies 14 in two adjacent rows are arranged in a staggered manner.

As shown in fig. 3, in the present embodiment, each row may include a plurality of cleaning brush assemblies 14, the gaps between two adjacent cleaning brush assemblies 14 are consistent along the transverse direction X, and two adjacent cleaning brush assemblies 14 are staggered along the vertical direction Y, that is, for two adjacent rows of a plurality of cleaning brush assemblies 14, each cleaning brush assembly 14 of the latter row is located at the middle position of two adjacent cleaning brush assemblies 14 of the former row at the corresponding position. Therefore, the garbage is prevented from leaking from the gap between two adjacent cleaning brush assemblies 14 in the front row in the garbage sweeping process, and a better floor cleaning effect is achieved.

In some embodiments, the plurality of cleaning brush assemblies 14 are staggered in two rows on the bottom surface of the housing 12 to save the occupied space of the plurality of cleaning brush assemblies 14.

In some embodiments, the housing 12 includes a bottom plate 120 and a top plate 121, the bottom plate 120 and the top plate 121 are disposed opposite to each other, the driving assembly 13 is disposed on a side of the bottom plate 120 facing the top plate 121, the dust suction port 11 is disposed on a side surface of the bottom plate 120 facing away from the top plate 121, each of the cleaning brush assemblies 14 includes a brush disc assembly 140 and a brush disc seat assembly 141, the brush disc assembly 140 and the brush disc seat assembly 141 are detachably connected, the brush disc seat assembly 141 is disposed on a side of the bottom plate 120 facing the top plate 121 and connected to the driving assembly 13, the brush disc assembly 140 is disposed on a side of the bottom plate 120 facing away from the top plate 121, and the driving assembly 13 drives the brush disc seat assembly 141 to rotate so as to rotate the brush disc assembly 140, so that the brush disc assembly 140 sweeps floor waste into the dust suction port 11.

Specifically, the housing 12 may have a regular or irregular shape as a whole, for example, the housing 12 may have a square shape, a circular shape, and the like, the bottom plate 120 and the top plate 121 are parallel to each other, the driving assembly 13 is located between the bottom plate 120 and the top plate 121, the brush disc assembly 140 and the brush disc seat assembly 141 are respectively located at two sides of the bottom plate 120, and the driving assembly 13 drives the brush disc seat assembly 141 to rotate, so as to drive the brush disc assembly 140 to rotate, and further enable the brush disc assembly 140 to sweep the floor waste into the dust collection opening 11.

In this embodiment, since the brush plate assembly 140 located at the outer side (the side away from the top plate 121) of the bottom plate 120 is detachably connected to the brush plate holder assembly 141, the brush plate assembly 140 is easily detached and replaced.

In some embodiments, the housing 12 further includes a side wall 122, the side wall 122 is located between the bottom plate 120 and the top plate 121, the side wall 122 is disposed around the peripheries of the bottom plate 120 and the top plate 121, the bottom plate 120, the top plate 121 and the side wall 122 enclose a first cavity 123, and the driving assembly 13 and the brush holder assembly 141 are located in the first cavity 123, which can protect the driving assembly 13 and the brush holder assembly 141.

In some embodiments, the side wall 122 includes an upper side wall 1220 and a lower side wall 1221, the upper side wall 1220 is disposed around the periphery of the top plate 121, the upper side wall 1220 and the top plate 121 are integrally formed into an upper shell, the lower side wall 1221 is disposed around the periphery of the top plate 121, the lower side wall 1221 and the bottom plate 120 are integrally formed into a lower shell, and the upper shell and the lower shell are detachably connected to form the structure of the shell 12.

In other embodiments, the bottom plate 120 and the sidewalls 122 may be integrally formed and detachably connected to the top plate 121, or the top plate 121 and the sidewalls 122 may be integrally formed and detachably connected to the bottom plate 120.

In some embodiments, the housing 12 further includes an extension 124, the extension 124 is fixed on the lower sidewall 1221, the extension 124 is located between the dust suction opening 11 and the dust box 40, a second cavity 1240 is formed in the extension 124, one end of the second cavity 1240 communicates with the dust suction opening 11, and the other end of the second cavity 1240 is connected to the dust box 40, so that the garbage in the dust suction opening 11 enters the dust box 40 after passing through the second cavity 1240.

In some embodiments, the bottom plate 120 is provided with a scraping bar 125 on a periphery of a side thereof close to the dust suction opening 11, the scraping bar 125 is in an unclosed shape, for example, the scraping bar 125 may have a U shape or a semicircular shape, and the brush disc assembly 140 is located on an inner side of the scraping bar, and in particular, when the sweeping robot sweeps the floor, the scraping bar 125 may gather the nearby garbage so that the brush disc assembly 140 can sweep the garbage into the dust suction opening 11.

In some embodiments, the wiper strip 125 is made of a plastic material, for example, the wiper strip 125 may be made of a rubber material.

In some embodiments, the scraper bar 125 may be designed in a multi-segment manner to facilitate the assembly of the scraper bar 125 with the base plate 120, and in particular, a groove may be provided on the base plate 120 to assemble the scraper bar 125.

In other embodiments, the wiper strip 125 may be integrally formed with the base 120, but this is not conducive to maintenance and replacement of the wiper strip 125.

Referring to fig. 7 to 8, in some embodiments, the brush holder assembly 141 includes a rotating shaft assembly 1410, a synchronous pulley 1412 and a fixed gear 1413, the rotating shaft assembly 1410 includes a rotating shaft 1411, a bearing 1414 and a fixed disk 1415, the fixed disk 1415 is disposed at an end of the rotating shaft 1411 far away from the brush holder assembly 140, an end of the rotating shaft 1411 close to the brush holder assembly 140 penetrates through the bottom plate 120 and is connected with the brush holder assembly 140, the bearing 1414 is mounted on the rotating shaft 1411, the synchronous pulley 1412 is fixed at an end of the fixed disk 1415 far away from the rotating shaft 1411, and the fixed gear 1413 is fixed at an end of the synchronous pulley 1412 far away from the fixed disk 1415.

One end of the rotating shaft 1411 is connected with the fixed disc 1415, the fixed disc 1415 and the synchronous pulley 1412 are T-shaped, the synchronous pulley 1412 and the fixed gear 1413 are sequentially fixed at one end, away from the rotating shaft 1411, of the fixed disc 1415, the synchronous pulley 1412 and the fixed gear 1413 are coaxially arranged with the rotating shaft assembly 1410, namely, each brush holder assembly 141 comprises the synchronous pulley 1412 and the fixed gear 1413, so that the brush holder assemblies 141 can be conveniently and mutually transmitted in a gear meshing or conveying manner, and the bearing 1414 is sleeved on the rotating shaft 1411 to support the rotating shaft 1411 to rotate and ensure the rotating precision of the rotating shaft 1411 in the axial direction. The other end of the rotating shaft 1411 penetrates through the bottom plate 120 and is detachably connected to the brush tray assembly 140, and in specific implementation, the driving assembly 13 drives the synchronous pulley 1412 or the fixed gear 1413 on the brush tray assembly 141 to rotate, so as to drive the rotating shaft 1411 to rotate, and further drive the brush tray assembly 140 connected to the rotating shaft 1411 to rotate, so that the brush tray assembly 140 sweeps the garbage on the ground into the dust collection port 11.

In some embodiments, the rotating shaft 1411, the fixed disc 1415, the synchronous pulley 1412 and the fixed gear 1413 are integrally formed to improve the reliability of the overall structure and avoid assembly errors.

In some embodiments, the brush disc assembly 140 includes a connecting disc 1400 and a scraper 1408, the connecting disc 1400 is fixedly connected to one end of the rotating shaft 1411, and the scraper 1408 is disposed on a side surface of the connecting disc 1400 away from the rotating shaft assembly 1410. Specifically, the scraper 1408 may be made of rubber or the like to satisfy the requirements of wear resistance and hardness.

Referring back to fig. 4, in some embodiments, the driving assembly 13 includes a driving motor 130 and a transmission assembly 131, the driving motor 130 is disposed on the top plate 121, and the driving motor 130 is connected to the plurality of cleaning brush assemblies 14 through the transmission assembly 131 to transmit power of the driving motor 130 to the plurality of cleaning brush assemblies 14.

In this embodiment, the transmission assembly 131 includes a plurality of transmission belts 1310 and a plurality of transmission gears 1320, and by providing a driving motor 130, the power of the driving motor 130 can be transmitted to each cleaning brush assembly 14 through the plurality of transmission belts 1310 and the plurality of transmission gears 1320.

Specifically, for a plurality of brush holder assemblies 141, the fixed gear 1413 of a part of the brush holder assemblies 141 is connected to the driving motor 130 through the transmission gear 1320; the synchronous pulleys 1412 of two adjacent brush holder assemblies 141 are connected by a transmission belt 1310, or the fixed gears 1313 of two adjacent brush holder assemblies 141 are connected by a transmission gear 1320.

The driving manner of the driving motor 130 and the transmission assembly 131 and the plurality of brush holder assemblies 141 may be various, which is closely related to the number of brush holder assemblies 141 and the spacing between adjacent brush holder assemblies 141, and one driving manner between the plurality of cleaning brush assemblies 14 and the driving motor 130 and the transmission assembly 131 will be described below by taking fig. 9 as an example.

Referring to fig. 9, the seven cleaning brush assemblies in fig. 9 form two rows, wherein one row includes four cleaning brush assemblies, and the other row includes three cleaning brush assemblies, and in order to distinguish the cleaning brush assemblies, the conveying gears, and the conveying belts, the seven cleaning brush assemblies in fig. 9 are respectively designated as a first cleaning brush assembly 1401, a second cleaning brush assembly 1402, a third cleaning brush assembly 1403, a fourth cleaning brush assembly 1404, a fifth cleaning brush assembly 1405, a sixth cleaning brush assembly 1406, and a seventh cleaning brush assembly 1407, the five conveying gears are respectively designated as a first conveying gear 1321, a second conveying gear 1322, a third conveying gear 1323, a fourth conveying gear 1324, and a fifth conveying gear 1325, and the two conveying belts are respectively designated as a first conveying gear 1311 and a second conveying belt 1312.

In practical application, the first transmission gear 1321 is mounted on the rotating shaft 1411 of the driving motor 130, the second transmission gear 1322 is engaged with the first transmission gear 1321, and the second transmission gear 1322 is engaged with the fixed gear 1413 of the third cleaning brush assembly 1403, so as to drive the third cleaning brush assembly 1403 to rotate, the synchronous pulley 1412 of the third cleaning brush assembly 1403 is connected with the synchronous pulley 1412 of the fourth cleaning brush assembly 1404 through the first transmission gear 1311, so as to drive the fourth cleaning brush assembly 1404 to rotate, the fixed gear 1413 of the fourth cleaning brush assembly 1404 and the fixed gear 1413 of the fifth cleaning brush assembly 1405 are both engaged with the third transmission gear 1323, so as to drive the fifth cleaning brush assembly 1405 to rotate, and the fourth transmission gear 1324 is engaged with the second transmission gear 1322, and the fourth transmission gear 1324 is engaged with the fixed gear 1413 of the second cleaning brush assembly 1402 and the fixed gear 1413 of the sixth cleaning brush assembly 1406, so as to drive the second cleaning brush assembly 1402 and the sixth cleaning brush assembly F to rotate, the synchronous pulley 1412 of the second cleaning brush assembly 1402 is connected with the synchronous pulley 1412 of the first cleaning brush assembly 1401 through the second transmission belt 1312, so as to drive the first cleaning brush assembly 1401 to rotate, the fixed gear 1413 of the first cleaning brush assembly 1401 and the fixed gear 1413 of the seventh cleaning brush assembly 1407 are engaged with the fifth transmission gear 1325, so as to drive the seventh cleaning brush assembly 1407 to rotate, so far, the seven cleaning brush assemblies are driven, so as to drive the brush disc assembly 140 to rotate to clean the floor, and the rotation of the brush disc assembly 140 sweeps the floor garbage into the dust suction port 11.

It should be noted that only one of the transmission manners is illustrated above, and in other embodiments, other transmission manners may be adopted, for example, a transmission gear may be adopted for transmission between the first cleaning brush assembly 1401 and the second cleaning brush assembly 1402, and a transmission belt may be adopted for transmission between the first cleaning brush assembly 1401 and the seventh cleaning brush assembly 1407.

In summary, in the embodiment, each cleaning brush assembly is provided with the synchronous pulley 1412 and the fixed gear 1413, so that a suitable transmission mode can be selected between the cleaning brush assemblies according to actual requirements, so as to achieve a better transmission effect, for example, when the distance between two adjacent cleaning brush assemblies is long, the transmission belt transmission can be selected, and when the distance is short, the transmission gear transmission can be selected.

In addition, in other embodiments, a plurality of driving motors 130 may be additionally provided to drive the rotation of the plurality of brush holder assemblies 141.

Referring to fig. 10 to 12 and further to fig. 6 to 8, in some embodiments, the bottom plate 120 is provided with a first through hole 1200, the connection plate 1400 includes a body portion 14000 and a protrusion portion 14010, the protrusion portion 14010 is disposed on an end surface of the body portion 14000 facing to the side of the rotation shaft 1411, the protrusion portion 14010 is located in the first through hole 1200, the scraper 1408 is disposed on a surface of the body portion 14000 facing to the side of the rotation shaft 1411, the rotation shaft 1411 is provided with a flat key 14110, the protrusion portion 14010 is provided with a rotation shaft hole 14011 and a key groove 14012, the rotation shaft hole 14011 is communicated with the key groove 14012, the rotation shaft 1411 is assembled in the rotation shaft hole 14011, and the flat key 14110 is assembled in the key groove 14012.

In this embodiment, the body 14000 and the protrusion 14010 are integrally formed, the protrusion 14010 protrudes from an end surface of the body 14000 facing the rotation axis, the size of the protrusion 14010 matches the size of the first through hole 1200, the protrusion 14010 is assembled in the first through hole 1200, the protrusion 14010 is provided with a rotation axis hole 14011 matching with the rotation axis 1411 and a key groove 14012 matching with the flat key 14110, so that after the brush plate assembly 140 and the brush plate holder assembly 141 are assembled, the rotation axis 1411 is assembled in the rotation axis hole 14011, and the flat key 14110 is engaged in the key groove 14012, so as to limit the relative rotation between the brush plate assembly 140 and the brush plate holder assembly 141, and enable the brush plate holder assembly 141 to drive the brush plate assembly 140 to rotate together.

In some embodiments, the brush tray assembly 140 further includes a first magnetic attraction component 1409, a first groove 14013 is formed on a bottom surface of the rotation shaft hole 14011, the first magnetic attraction component 1409 is disposed in the first groove 14013, the brush tray assembly 141 further includes a second magnetic attraction component 1416, a second groove 14111 is formed on an end portion of the rotation shaft 1411, the second magnetic attraction component 1416 is disposed in the second groove 14111, and after the rotation shaft 1411 is assembled to the rotation shaft hole 14011, the first magnetic attraction component 1409 abuts against the second magnetic attraction component 1416.

In this embodiment, the first groove 14013 is matched with the shape of the first magnetic member 1409, and the second groove 14111 is matched with the shape of the second magnetic member 1416, so that the first magnetic member 1409 and the second magnetic member 1416 can be assembled into the first groove 14013 and the second groove 14111. For example, when the first groove 14013 and the second groove 14111 are both annular grooves, the first magnetic-attracting member 1409 and the second magnetic-attracting member 1416 are both annular shapes.

The first magnetic component 1409 and the second magnetic component 1416 can be attracted to each other, and specifically, the first magnetic component 1409 and the second magnetic component 1416 can be both magnetic and ferromagnetic, for example, when the first magnetic component 1409 is magnetic, the second magnetic component 1416 is ferromagnetic, and when the first magnetic component 1409 is ferromagnetic, the second magnetic component 1416 is magnetic.

When the rotating shaft 1411 is fitted into the rotating shaft hole 14011, the first magnetic attracting member 1409 and the second magnetic attracting member 1416 attract each other so that the brush plate assembly 140 and the brush plate holder assembly 141 are fixed to each other, ensuring the reliability of connection between the brush plate assembly 140 and the brush plate holder assembly 141. And the brush plate assembly 140 and the brush plate seat assembly 141 can be conveniently disassembled and maintained in a magnetic connection mode.

In some embodiments, a plurality of third grooves 1201 are formed on a side surface of the bottom plate 120 facing away from the top plate 121, the first through hole 1200 is formed on a bottom surface of the third grooves 1201, and the body portion 14000 is formed in the third grooves 1201.

In this embodiment, the size of the body 14000 matches the size of the third groove 1201, the plurality of third grooves 1201 are formed in the outer surface of the bottom plate 120, and the body 14000 is assembled in the third grooves 1201, so that the body 14000 is protected, the body 14000 is prevented from being damaged, and the third grooves 1201 can limit the body 14000, thereby increasing the assembling reliability of the cleaning brush assembly 14.

In some embodiments, a plurality of fourth grooves 1210 are formed in a surface of the top plate 121 facing away from the bottom plate 120, a second through hole 1211 is formed in a bottom surface of the fourth groove 1210, an aperture of the second through hole 1211 is larger than a diameter of the synchronous pulley 1412 and smaller than a diameter of the fixed gear 1413, the fixed gear 1413 is disposed in the fourth groove 1210, and the synchronous pulley 1412 and the rotating shaft 1411 are located on a side of the top plate 121 facing the bottom plate 120 after passing through the second through hole 1211.

In this embodiment, the aperture of the second through hole 1211 is larger than the diameter of the synchronous pulley 1412, so that the synchronous pulley 1412 and the rotating shaft 1411 can pass through the second through hole 1211 from the outside of the top plate 121 and then be located on the side of the top plate 121 facing the bottom plate 120, so as to facilitate the assembly between the rotating shaft 1411 and the rotating shaft hole 14011, while the diameter of the fixed gear 1413 is larger than the aperture of the second through hole 1211, so that the fixed gear 1413 cannot pass through the second through hole 1211 and be limited in the fourth groove 1210, the size of the fixed gear 1413 matches with the size of the fourth groove 1210, and by forming a plurality of fourth grooves 1210 on the outer surface of the top plate 121, the fixed gear 1413 is assembled in the fourth groove 1210, compared with the fixed gear 1413 assembled between the bottom plate 120 and the top plate 121, the overall thickness of the housing 12 can be reduced, so as to save the occupied space of the housing 12, and the fourth groove 1210 can limit the fixed gear 1413, thereby further increasing the assembly reliability of the cleaning brush assembly 14.

In some embodiments, an opening 1212 is defined in an inner surface of the fourth groove 1210, the opening 1212 is in communication with the first cavity 123, and the fixed gear 1413 in the fourth groove 1210 can be engaged with the transmission gear in the first cavity 123 through the opening 1212.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (12)

1. A brush head assembly of a cleaning robot, the brush head assembly comprising:

the dust collector comprises a shell, wherein a dust suction port is formed in the shell;

the driving assembly is arranged in the shell;

the cleaning brush assembly comprises a plurality of cleaning brush assemblies, the cleaning brush assemblies are arranged on the shell, the cleaning brush assemblies are arranged in a staggered mode, and the driving assembly is used for driving the cleaning brush assemblies to rotate so that the cleaning brush assemblies can sweep ground garbage into the dust suction port.

2. The brush head assembly of claim 1, wherein the plurality of cleaning brush assemblies are arranged in at least two rows, and the plurality of cleaning brush assemblies in two adjacent rows are staggered with respect to each other.

3. The brushhead assembly of claim 1, wherein the housing includes oppositely disposed bottom and top plates, the drive assembly being located on a side of the bottom plate facing the top plate, the suction opening being located on a side surface of the bottom plate facing away from the top plate;

every the cleaning brush subassembly all includes brush dish subassembly and the brush dish seat subassembly that is connected, brush dish seat subassembly is located the bottom plate orientation one side of roof, and with drive assembly is connected, brush dish subassembly is located the bottom plate deviates from one side of roof, drive assembly drive brush dish seat subassembly rotates to drive brush dish subassembly rotates.

4. The brush head assembly of claim 3, wherein the brush head holder assembly comprises:

the rotating shaft assembly comprises a rotating shaft, a bearing and a fixed disc, the fixed disc is arranged at one end of the rotating shaft, which is far away from the brush disc assembly, one end of the rotating shaft, which is close to the brush disc assembly, penetrates through the bottom plate and is connected with the brush disc assembly, and the bearing is assembled on the rotating shaft;

the synchronous belt wheel is fixed at one end of the fixed disc, which is far away from the rotating shaft;

and the fixed gear is fixed at one end of the synchronous belt wheel, which deviates from the fixed disc.

5. The brush head assembly of claim 4, wherein the brush tray assembly comprises:

the connecting disc is fixedly connected with one end of the rotating shaft;

the scraper blade is arranged on the surface of one side, far away from the rotating shaft, of the connecting disc.

6. The brushhead assembly of claim 5, wherein the drive assembly includes:

the driving motor is arranged on the top plate;

and the conveying assembly is connected between the driving motor and the plurality of cleaning brush assemblies through the conveying assembly so as to transmit the power of the driving motor to the plurality of cleaning brush assemblies, wherein the conveying assembly comprises a plurality of conveying belts and/or a plurality of conveying gears.

7. The brush head assembly of claim 6, wherein in the plurality of brush pan assemblies, a fixed gear of a portion of the brush pan assemblies is connected to the driving motor through a transmission gear;

the synchronous belt wheels of two partially adjacent brush disk seat assemblies are connected through a conveying belt, or the fixed gears of two partially adjacent brush disk seat assemblies are connected through a transmission gear.

8. The brush head assembly of claim 5, wherein the base plate defines a first through hole, the connecting plate includes a body portion and a protrusion, the protrusion is disposed on an end surface of the body portion facing the rotating shaft, the protrusion is disposed in the first through hole, and the scraper is disposed on a surface of the body portion facing away from the rotating shaft;

the rotating shaft is provided with a flat key, the protruding portion is provided with a rotating shaft hole and a key groove, the rotating shaft hole is communicated with the key groove, the rotating shaft is assembled in the rotating shaft hole, and the flat key is assembled in the key groove.

9. The brush head assembly of claim 8, wherein the brush disc assembly further comprises a first magnetic element, a first groove is formed in a bottom surface of the rotating shaft hole, and the first magnetic element is disposed in the first groove;

the brush disc seat assembly further comprises a second magnetic suction piece, a second groove is formed in the end portion of the rotating shaft, and the second magnetic suction piece is arranged in the second groove;

after the rotating shaft is assembled to the rotating shaft hole, the first magnetic suction piece is propped against the second magnetic suction piece.

10. The brush head assembly of claim 8, wherein a plurality of third grooves are formed on a surface of the bottom plate facing away from the top plate, the first through hole is formed in a bottom surface of each third groove, and the body part is formed in the third grooves;

a plurality of fourth grooves are formed in the surface of one side, away from the bottom plate, of the top plate, the second through hole is formed in the bottom surface of each fourth groove, the aperture of the second through hole is larger than the diameter of the synchronous belt pulley and smaller than the diameter of the fixed gear, the fixed gear is arranged in the fourth grooves, and the synchronous belt pulley and the rotating shaft are located on one side, facing the bottom plate, of the top plate after penetrating through the second through hole.

11. The brush head assembly of claim 3, wherein the housing further comprises a scraping strip, the scraping strip is arranged on the periphery of one side of the bottom plate close to the dust suction opening and is in an unclosed shape, and the brush disc assembly is arranged on the inner side of the scraping strip.

12. A cleaning robot, characterized in that the cleaning robot comprises the brush head assembly of any one of claims 1-11, and;

the brush head assembly is arranged on the shell;

the fan is arranged in the shell;

the dust box is arranged in the shell, one end of the dust box is communicated with the air suction opening of the fan, and the other end of the dust box is communicated with the dust suction opening.

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