CN217185918U

CN217185918U - Cleaning head and cleaning equipment with same

Info

Publication number: CN217185918U
Application number: CN202220427617.1U
Authority: CN
Inventors: 蔡演强
Original assignee: Guangdong Deerma Technology Co Ltd
Current assignee: Guangdong Deerma Technology Co Ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-16
Anticipated expiration: 2032-02-25

Abstract

The utility model relates to a cleaning head and cleaning device who has it, the cleaning head includes: the device comprises a shell, a transmission device and two rolling brush assemblies. The transmission device is arranged on one side of the length direction of the shell, the transmission device comprises two output shafts, the rolling brush assemblies are arranged at intervals in the width direction of the shell and correspond to the two output shafts respectively, each rolling brush assembly comprises a clutch and a rolling brush cylinder, each clutch comprises a first clutch piece and a second clutch piece, the first clutch pieces are connected with the output shafts, the second clutch pieces are connected with the rolling brush cylinders, and the first clutch pieces are in rotation stopping fit with the second clutch pieces. The utility model discloses a cleaning head's structural design is reasonable, and the equipment is dismantled conveniently, and synchronous effect is better.

Description

Cleaning head and cleaning equipment with same

Technical Field

The utility model relates to a domestic appliance's technical field specifically relates to a cleaning head and cleaning device who has it.

Background

A cleaning apparatus such as a vacuum cleaner or floor washer mainly comprises a main body and a cleaning head, wherein a transmission device, a front rolling brush and a rear rolling brush are usually arranged on the cleaning head, and the transmission device can drive the front rolling brush and the rear rolling brush to synchronously rotate. However, in the related art, the connecting structure between the transmission device and the front and rear rolling brushes is unreasonable in design, inconvenient to assemble and disassemble, and poor in synchronization effect.

Disclosure of Invention

The present invention aims at solving one of the technical problems in the related art at least to a certain extent.

Therefore, the embodiment of the utility model provides a structural design is reasonable, and assembly and disassembly is convenient, the better cleaning head of synchronous effect.

The embodiment of the utility model also provides a cleaning device.

According to the utility model discloses a cleaning head includes: a housing; the transmission device is arranged on one side of the shell in the length direction and comprises two output shafts; the rolling brush assembly comprises a clutch and a rolling brush cylinder, the clutch comprises a first clutch part and a second clutch part, the first clutch part is connected with the output shaft, the second clutch part is connected with the rolling brush cylinder, and the first clutch part is in rotation stopping fit with the second clutch part.

According to the utility model discloses a cleaning head can be through two round brush subassemblies of same transmission control to the synchronism when making two round brush subassemblies rotate is better. Additionally, the utility model discloses a cleaning head is through setting up first clutch and second clutch, can be convenient for the installation and the dismantlement of round brush subassembly, and simple structure, reasonable in design, manufacturing cost is lower.

In some embodiments, one of the first clutch member and the second clutch member is provided with a rotation stop groove, and the other clutch member is provided with a rotation stop block, and the rotation stop block is in rotation stop fit in the rotation stop groove.

In some embodiments, the rotation stopping block is provided with engaging teeth on the periphery thereof, and the peripheral wall of the rotation stopping groove is provided with an engaging groove, and the engaging teeth are matched with the engaging groove.

In some embodiments, a preset included angle is formed between the length direction of the meshing teeth and the axial direction of the rotation stopping block, or the meshing teeth spirally surround the rotation stopping block.

In some embodiments, the rotation stopping block is disposed on the first clutch, the rotation stopping groove is disposed on the second clutch, the second clutch is engaged with the rolling brush drum in a rotation stopping manner, a first positioning rib is disposed on an outer wall of the second clutch, a first positioning groove is disposed on an inner wall of the rolling brush drum, and the first positioning rib is engaged with the first positioning groove.

In some embodiments, the housing includes a side cover plate and a main housing, the transmission is connected to the main housing, the side cover plate is located on a side of the main housing facing away from the transmission, both of the rolling brush drums are connected to the side cover plate, the side cover plate is movable between a locking position in which the side cover plate is fixed relative to the main housing and a releasing position in which the side cover plate can be pulled out of the two rolling brush drums along a length direction of the main housing.

In some embodiments, the rolling brush assembly further comprises a bearing seat, an outer ring of the bearing seat is in rotation-stopping fit with the inner wall of the rolling brush barrel, and an inner ring of the bearing seat is fixed relative to the side cover plate.

In some embodiments, a second positioning rib is arranged on the outer wall of the bearing seat, a second positioning groove is arranged on the inner wall of the roller brush barrel, and the second positioning rib is matched with the second positioning groove.

In some embodiments, the transmission comprises an electric motor and a transmission assembly, the electric motor being connected to both of the output shafts via the transmission assembly.

In some embodiments, the transmission assembly includes a driving wheel, a reversing wheel, a first transmission member and a second transmission member, the motor is connected to the driving wheel, the driving wheel is engaged with the reversing wheel and the first transmission member, the reversing wheel is engaged with the second transmission member, and the first transmission member and the second transmission member are respectively connected to the two output shafts.

In some embodiments, the first transmission member includes a first transmission wheel, a second transmission wheel and a first belt, the first transmission wheel is engaged with the driving wheel, and the second transmission wheel is connected with the first transmission wheel through the first belt; the second transmission part comprises a third transmission wheel, a fourth transmission wheel and a second belt, the third transmission wheel is meshed with the reversing wheel, the fourth transmission wheel is connected with the third transmission wheel through the second belt, and the second transmission wheel and the fourth transmission wheel are respectively connected with the two output shafts.

In some embodiments, the first driving wheel comprises a first gear and a first pulley which are coaxially connected, the first gear is meshed with the driving wheel, and the first belt is wound on the first pulley; the third transmission wheel comprises a second gear and a second belt wheel which are coaxially connected, the second gear is meshed with the reversing wheel, and the second belt is wound on the second belt wheel.

A cleaning device according to another embodiment of the present invention comprises a cleaning head as described in any of the above embodiments.

According to the utility model discloses a cleaning equipment can be through two round brush subassemblies of same transmission control to the synchronism when making two round brush subassemblies rotate is better. Additionally, the utility model discloses a cleaning device is through setting up first clutch and second clutch, can be convenient for the installation and the dismantlement of round brush subassembly, and simple structure, reasonable in design, manufacturing cost is lower.

Drawings

Fig. 1 is a bottom view of a cleaning head according to an embodiment of the present invention.

Figure 2 is a partial exploded view of a cleaning head according to an embodiment of the present invention.

Figure 3 is a schematic view of a clutch of a cleaner head of an embodiment of the present invention.

Fig. 4 is a cross-sectional view a-a of fig. 3.

Figure 5 is an exploded schematic view of a clutch of a cleaning head according to an embodiment of the present invention.

Figure 6 is an internal schematic view of a cleaning head according to an embodiment of the invention.

Figure 7 is an exploded view of the drive of the cleaning head of an embodiment of the present invention.

Figure 8 is an internal schematic view of a drive arrangement for a cleaning head according to an embodiment of the invention.

Figure 9 is a top view of the drive arrangement of the cleaning head of an embodiment of the present invention.

Reference numerals:

10. a transmission device;

11. a motor;

12. a driving wheel;

13. a reversing wheel;

14. a first transmission member; 141. a first drive pulley; 1411. a first gear; 1412. a first pulley; 142. a second transmission wheel; 143. a first belt;

15. a second transmission member; 151. a third transmission wheel; 1511. a second gear; 1512. a second pulley; 152. a fourth transmission wheel; 153. a second belt;

16. a transmission case; 161. a first case; 1611. a first mounting position; 162. a second case; 1621. a second mounting location; 163. an accommodating chamber;

17. an output shaft;

20. a housing;

21. a side cover plate; 22. a main housing;

30. a roll brush assembly;

31. a clutch; 311. a first clutch member; 3111. a rotation stopping block; 3112. meshing teeth; 312. a second clutch member; 3121. a rotation stopping groove; 3122. an engagement groove; 3123. a first positioning rib;

32. a rolling brush cylinder; 321. a first positioning groove; 322. a second positioning groove;

33. a bearing seat; 331. and a second positioning rib.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

A cleaning head and a cleaning apparatus having the same according to an embodiment of the present invention will be described with reference to fig. 1 to 9.

As shown in fig. 1 to 9, a cleaning head according to an embodiment of the present invention includes: a housing 20, a transmission 10 and two rolling brush assemblies 30. The transmission 10 is provided on one side in a longitudinal direction (left-right direction in fig. 1) of the housing 20, and the transmission 10 includes two output shafts 17. The two rolling brush assemblies 30 are arranged at intervals along the width direction (width direction in fig. 1) of the housing 20 and respectively correspond to the two output shafts 17, the rolling brush assembly 30 includes a clutch 31 and a rolling brush drum 32, the clutch 31 includes a first clutch 311 and a second clutch 312, the first clutch 311 is connected with the output shaft 17, the second clutch 312 is connected with the rolling brush drum 32, and the first clutch 311 and the second clutch 312 are engaged in a rotation-stopping manner.

According to the utility model discloses a cleaning head can control two round brush subassemblies 30 through same transmission 10 to the synchronism when making two round brush subassemblies 30 rotate is better. Additionally, the utility model discloses a cleaning head of embodiment is through setting up first clutch 311 and second clutch 312, can be convenient for the installation and the dismantlement of round brush subassembly 30, and simple structure, reasonable in design, manufacturing cost is lower.

Specifically, as shown in fig. 4 and 5, one of the first clutch member 311 and the second clutch member 312 is provided with a rotation stop groove 3121, and the other is provided with a rotation stop block 3111, and the rotation stop block 3111 is rotation-stop fitted in the rotation stop groove 3121. For example, the first clutch member 311 is provided with a rotation stop block 3111, and the second clutch member 312 is provided with a rotation stop groove 3121. It is understood that when the rotation stop groove 3121 is engaged with the rotation stop block 3111, the transmission device 10 can drive the first clutch member 311 to rotate, and the first clutch member 311 can drive the second clutch member 312 to rotate, so as to drive the rolling brush drum 32 to rotate. The utility model discloses a cleaning head can make the transmission of cleaning head more stable through setting up the groove of splining 3121 and the piece 3111 of splining, and be convenient for equipment and dismantlement, and the result of use is better.

Alternatively, as shown in fig. 4 and 5, the rotation stop block 3111 is provided with engaging teeth 3112 on the outer periphery thereof, the circumferential wall of the rotation stop groove 3121 is provided with an engaging groove 3122, and the engaging teeth 3112 are engaged with the engaging groove 3122, so that the transmission of the first clutch member 311 and the second clutch member 312 can be made more reliable. For example, a preset included angle is formed between the length direction of the engaging teeth 3112 and the axial direction of the rotation stop block 3111, or the engaging teeth 3112 are spirally wound on the rotation stop block 3111, so that the processing difficulty of the first clutch member 311 and the second clutch member 312 can be reduced, the transmission of the first clutch member 311 and the second clutch member 312 can be more stable, and the reliability is higher.

In some embodiments, as shown in fig. 4 and 5, the rotation stop block 3111 is disposed on the first clutch 311, the rotation stop groove 3121 is disposed on the second clutch 312, the second clutch 312 is engaged with the rolling brush drum 32 in a rotation stop manner, the outer wall of the second clutch 312 is provided with the first positioning rib 3123, the inner wall of the rolling brush drum 32 is provided with the first positioning groove 321, and the first positioning rib 3123 is engaged with the first positioning groove 321. The utility model discloses the cleaning head can make clutch 31 and roll spill a section of thick bamboo be connected more reliably through setting up first location muscle 3123 and first constant head tank 321, stability when improving the transmission to can make things convenient for operating personnel to assemble second separation and reunion piece 312 and a round brush section of thick bamboo 32, and then can improve production efficiency.

Alternatively, as shown in fig. 2 and 6, the housing 20 includes a side cover plate 21 and a main housing 22, the transmission 10 is connected to the main housing 22, the side cover plate 21 is located on a side of the main housing 22 facing away from the transmission 10, both of the rolling brush cylinders 32 are connected to the side cover plate 21, the side cover plate 21 is movable between a locking position where the side cover plate 21 is fixed relative to the main housing 22 and a releasing position where the side cover plate 21 can be pulled out of the two rolling brush cylinders 32 along the length direction of the main housing 22. It can be understood that when the rolling brush cylinder 32 needs to be detached for cleaning or maintenance, the side cover plate 21 can be separated from the main casing 22, and since the side cover plate 21 is connected with the rolling brush cylinder 32, the two rolling brush cylinders 32 of the cleaning head can be detached integrally with the side cover plate 21, thereby improving the convenience of the cleaning head in use.

Specifically, as shown in fig. 2 and 6, the rolling brush assembly 30 further includes a bearing seat 33, an outer ring of the bearing seat 33 is in rotation-stopping fit with an inner wall of the rolling brush cylinder 32, and an inner ring of the bearing seat 33 is relatively fixed to the side cover plate 21, so that stability of the rolling brush cylinder 32 when being connected to the side cover plate 21 can be improved, and the rolling brush assembly is convenient to assemble and disassemble and has a long service life.

Alternatively, the roller brush cylinder 32 may be connected to the bearing seat 33 by welding, bonding, or clipping, so as to limit the relative rotation between the outer ring of the bearing seat 33 and the roller brush cylinder 32. For example, as shown in fig. 2 and 6, the outer wall of the bearing seat 33 is provided with a second positioning rib 331, the inner wall of the rolling brush drum 32 is provided with a second positioning groove 322, and the second positioning rib 331 is engaged with the second positioning groove 322. The utility model discloses the cleaning head can make bearing frame 33 and the roll spill a connection of section of thick bamboo more reliable through setting up second location muscle 331 and second constant head tank 322, stability when improving the transmission to can make things convenient for operating personnel to assemble bearing frame 33 and a round brush section of thick bamboo 32, and then can improve production efficiency.

In some embodiments, as shown in fig. 7 and 8, the transmission 10 includes a motor 11 and a transmission assembly, and the motor 11 is connected to two output shafts 17 through the transmission assembly. Specifically, the transmission assembly comprises a driving wheel 12, a reversing wheel 13, a first transmission part 14 and a second transmission part 15, the motor 11 is connected with the driving wheel 12, the driving wheel 12 is meshed with the reversing wheel 13 and the first transmission part 14, the reversing wheel 13 is meshed with the second transmission part 15, and the first transmission part 14 and the second transmission part 15 are respectively connected with two output shafts 17.

According to the utility model discloses a cleaning head, because first drive disk assembly 14 and second drive disk assembly 15 can realize the switching-over through reverse wheel 13 to can be so that transmission 10's transmission simple structure, manufacturing cost is lower. Additionally, the utility model discloses a cleaning head passes through the first round brush of single motor 11 control and the second round brush rotates, and the synchronism when can making two round brushes rotate is better.

Alternatively, as shown in fig. 7 and 8, the first transmission member 14 comprises a first transmission wheel 141, a second transmission wheel 142 and a first belt 143, the first transmission wheel 141 being engaged with the driving wheel 12, the second transmission wheel 142 being connected to the first transmission wheel 141 by the first belt 143. The second transmission member 15 includes a third transmission wheel 151, a fourth transmission wheel 152 and a second belt 153, the third transmission wheel 151 is engaged with the reversing wheel 13, the fourth transmission wheel 152 is connected with the third transmission wheel 151 through the second belt 153, and the second transmission wheel 142 and the fourth transmission wheel 152 are respectively connected with the two output shafts 17.

It will be appreciated that, as shown in fig. 7 and 8, when the motor 11 rotates, the driving wheel 12 rotates the first driving wheel 141, and the first driving wheel 141 rotates the second driving wheel 142 via the first belt 143, so as to rotate the first roller brush. In addition, action wheel 12 and switching-over wheel 13 meshing to can drive third drive wheel 151 through switching-over wheel 13 and rotate, third drive wheel 151 drives fourth drive wheel 152 through second belt 153 and rotates, and then drives the second round brush and rotate, and the rotation opposite direction of first round brush and second round brush, the utility model discloses a cleaning head is through setting up first drive disk assembly 14 and second drive disk assembly 15 to above-mentioned structure, can be so that more steady during the transmission of transmission 10 to part simple structure, the manufacturing of being convenient for, manufacturing cost is lower.

Further, as shown in fig. 7 and 8, the first driving wheel 141 includes a first gear 1411 and a first pulley 1412 which are coaxially connected. It is understood that the first gear 1411 and the first pulley 1412 are engaged in a rotation-stop manner, for example, the first gear 1411 and the first pulley 1412 may be connected by an integral molding. For another example, the first gear 1411 and the first pulley 1412 may be connected by an interference fit, so that when the first gear 1411 rotates, the first pulley 1412 may be driven to rotate synchronously. The first gear 1411 is engaged with the driving wheel 12, and the first belt 143 is wound around the first pulley 1412.

The third transmission wheel 151 includes a second gear 1511 and a second pulley 1512 coaxially connected. It is understood that the second gear 1511 and the second pulley 1512 are engaged in a rotation-stop manner, for example, the second gear 1511 and the second pulley 1512 may be connected by integral molding. For another example, the second gear 1511 and the second pulley 1512 may be connected by interference fit, so that when the second gear 1511 rotates, the second pulley 1512 may be driven to rotate synchronously. The second gear 1511 meshes with the reverse pulley 13, and the second belt 153 is wound around the second pulley 1512.

It can be understood that the first driving wheel 141 and the third driving wheel 151 both include a gear engagement portion and a pulley transmission portion, and the cleaning head according to the embodiment of the present invention can make the first transmission part 14 and the second transmission part 15 compact by setting the first driving wheel 141 and the third driving wheel 151 to the above structure, so that the space layout in the transmission device 10 is reasonable. In addition, the first gear 1411, the first pulley 1412, the second gear 1511 and the second pulley 1512 can be integrally formed, so that the structural strength of the first transmission wheel 141 and the third transmission wheel 151 can be improved, the transmission device 10 has good stability during transmission, and the service life of the transmission device is long.

Specifically, as shown in fig. 7 to 9, the transmission device 10 further includes a transmission case 16, the transmission case 16 includes a first case 161 and a second case 162, the first case 161 and the second case 162 are detachably connected and enclose an accommodating cavity 163, and the driving wheel 12, the reversing wheel 13, the first transmission member 14, and the second transmission member 15 are disposed in the accommodating cavity 163. The first box 161 and the second box 162 may be clamped or fixed by screws or pins.

For example, as shown in fig. 7, a plurality of first mounting locations 1611 are arranged at intervals in the circumferential direction of the first case 161, a plurality of second mounting locations 1621 are arranged at intervals in the circumferential direction of the second case 162, the plurality of second mounting locations 1621 correspond to the plurality of first mounting locations 1611 one by one, and the transmission case 16 further includes screws that are engaged with the first mounting locations 1611 and the second mounting locations 1621. The utility model discloses a transmission 10 for cleaning head connects first box 161 and second box 162 through above-mentioned mode, can be so that transmission 10's equipment is simple with the dismantlement, and is convenient for manufacturing, and manufacturing cost is lower.

As shown in fig. 1, a cleaning device according to another embodiment of the present invention includes the cleaning head of any one of the above embodiments. For example, the cleaning apparatus may be a vacuum cleaner or a floor scrubber.

According to the utility model discloses a cleaning device can control two round brush subassemblies 30 through same transmission 10 to the synchronism when making two round brush subassemblies 30 rotate is better. Additionally, the utility model discloses a cleaning device of embodiment is through setting up first clutch 311 and second clutch 312, can be convenient for the installation and the dismantlement of round brush subassembly 30, and simple structure, reasonable in design, manufacturing cost is lower.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.

Claims

1. A cleaner head, comprising:

a housing;

the transmission device is arranged on one side of the shell in the length direction and comprises two output shafts;

the rolling brush assembly comprises a clutch and a rolling brush cylinder, the clutch comprises a first clutch part and a second clutch part, the first clutch part is connected with the output shaft, the second clutch part is connected with the rolling brush cylinder, and the first clutch part is in rotation stopping fit with the second clutch part.

2. The cleaning head of claim 1 wherein one of the first clutch and the second clutch is provided with a detent slot and the other is provided with a detent block, the detent block being detent-engaged within the detent slot.

3. The cleaning head as claimed in claim 2, wherein the rotation stopping block is provided at an outer periphery thereof with engaging teeth, and a peripheral wall of the rotation stopping groove is provided with engaging grooves with which the engaging teeth are engaged.

4. The cleaning head of claim 3, wherein the length direction of the engaging teeth has a predetermined angle with the axial direction of the rotation stop block, or the engaging teeth spirally surround the rotation stop block.

5. The cleaner head according to claim 2, wherein the rotation stopping block is arranged on the first clutch member, the rotation stopping groove is arranged on the second clutch member, the second clutch member is engaged in the roller brush cylinder in a rotation stopping manner, a first positioning rib is arranged on an outer wall of the second clutch member, a first positioning groove is arranged on an inner wall of the roller brush cylinder, and the first positioning rib is engaged with the first positioning groove.

6. A cleaner head according to claim 1, wherein the housing comprises a side cover and a main housing, the transmission being connected to the main housing, the side cover being located on a side of the main housing facing away from the transmission, both of the roller brushes being connected to the side cover, the side cover being movable between a locked position in which the side cover is fixed relative to the main housing and a released position in which the side cover is extractable from the two roller brushes along the length of the main housing.

7. The cleaning head of claim 6 wherein the roller brush assembly further comprises a bearing housing, an outer race of the bearing housing engaging the inner wall of the roller brush cartridge in a rotationally fixed manner, an inner race of the bearing housing being fixed relative to the side cover plate.

8. The cleaner head as claimed in claim 7, wherein a second positioning rib is provided on an outer wall of the bearing seat, and a second positioning groove is provided on an inner wall of the roller brush cylinder, the second positioning rib being engaged with the second positioning groove.

9. A cleaning head according to any of claims 1 to 8, wherein the transmission comprises a motor and a transmission assembly, the motor being connected to both of the output shafts by the transmission assembly.

10. The cleaning head of claim 9 wherein the drive assembly includes a drive wheel, a reversing wheel, a first drive member and a second drive member, the motor being coupled to the drive wheel, the drive wheel being engaged with the reversing wheel and the first drive member, the reversing wheel being engaged with the second drive member, the first drive member and the second drive member being coupled to the two output shafts, respectively.

11. The cleaning head of claim 10, wherein the first transmission member includes a first transmission wheel, a second transmission wheel and a first belt, the first transmission wheel being engaged with the drive wheel, the second transmission wheel being connected to the first transmission wheel via the first belt;

the second transmission part comprises a third transmission wheel, a fourth transmission wheel and a second belt, the third transmission wheel is meshed with the reversing wheel, the fourth transmission wheel is connected with the third transmission wheel through the second belt, and the second transmission wheel and the fourth transmission wheel are respectively connected with the two output shafts.

12. The cleaning head of claim 11, wherein the first drive wheel includes a first gear and a first pulley coaxially coupled, the first gear being engaged with the drive wheel, the first belt being wound around the first pulley;

the third transmission wheel comprises a second gear and a second belt wheel which are coaxially connected, the second gear is meshed with the reversing wheel, and the second belt is wound on the second belt wheel.

13. A cleaning device comprising a cleaning head according to any of claims 1 to 12.