Floor brush and cleaning device

Abstract

The utility model provides a floor brush and a cleaning device.The floor brush comprises a mounting base, a rolling brush assembly, a transmission structure and a clutch structure, the rolling brush assembly comprises a rolling brush arranged rotationally, the rolling brush assembly is movably connected to the mounting base, the transmission structure comprises a first transmission set and a second transmission set, the first transmission set is in transmission connection between the rolling brush and a driving structure, and the second transmission set is in transmission connection between the rolling brush and the driving structure; the clutch structure comprises an input end and an output end, the input end is in transmission connection with the driving structure through a second transmission set, the second transmission set is suitable for transmitting the driving force of the driving structure to the input end and responding to the driving force transmitted to the input end, and the input end is suitable for being matched with the output end to enable the rolling brush assembly to ascend and descend relative to the mounting base. The floor brush is simple in structure, small in occupied space and easy to repair and maintain, and the cost is reduced.

Description

Technical Field

[0001] This disclosure relates to the field of cleaning technology, and more particularly to a floor brush and cleaning device. Background Technology

[0002] Current cleaning devices sweep the floor by rotating a roller brush mounted on the machine body. In related technologies, the roller brush of these cleaning devices has a lifting function. However, to drive the roller brush to lift and lower, the internal structure of the cleaning device is relatively complex, resulting in a larger overall size, increased space occupation, more complex maintenance, and increased costs. Utility Model Content

[0003] This disclosure provides a floor brush and cleaning device that ensures the roller brush can be raised and lowered while maintaining a simple overall structure, occupying less space, and being easy to maintain, thus reducing costs.

[0004] The first aspect of this disclosure provides a floor brush, including a mounting base, a roller brush assembly, a transmission structure, and a clutch structure. The roller brush assembly includes a rotatably disposed roller brush and is movably connected to the mounting base. A drive structure is connected to the roller brush assembly. The transmission structure includes a first transmission group and a second transmission group. The first transmission group is drively connected between the roller brush and the drive structure to drive the roller brush to rotate. The clutch structure includes an input end and an output end. The input end is drively connected to the drive structure through the second transmission group. The second transmission group is adapted to transmit the driving force of the drive structure to the input end. In response to the driving force transmitted to the input end, the input end is adapted to cooperate with the output end to raise and lower the roller brush assembly relative to the mounting base.

[0005] According to the first aspect of this disclosure, the drive structure drives the roller brush to rotate via a first transmission group to clean the cleaning surface. The drive structure can also drive the roller brush assembly to move relative to the mounting base via a second transmission group, thereby raising and lowering the roller brush assembly. Thus, only one drive structure is needed to simultaneously complete the rotational dust collection of the roller brush and the raising and lowering of the roller brush assembly, reducing the number of parts, simplifying the structure, facilitating assembly, and simplifying maintenance. This not only reduces the manufacturing and assembly costs of the entire device but also lowers maintenance costs. The driving force of the drive structure is transmitted through a clutch structure. The input and output ends of the clutch structure cooperate to raise and lower the roller brush assembly. Since the clutch structure has disengaged and engaged states, keeping the clutch structure in the disengaged state avoids the connection resistance caused by the transmission connection of the parts during the raising or lowering of the roller brush assembly, preventing the roller brush assembly from getting stuck due to the engagement of the parts during the raising or lowering process.

[0006] In one possible implementation, the input and output terminals have a separated state and an engaged state. The drive structure drives the input and output terminals to separate and engage via a second transmission group. In response to the engagement of the input and output terminals, the drive structure is adapted to drive the output terminal to raise the roller brush assembly relative to the mounting base. In response to the separation of the input and output terminals, the roller brush assembly lowers relative to the mounting base.

[0007] In one possible implementation, the transmission structure further includes a main transmission gear, and the drive structure includes a drive member and a drive gear, the drive gear meshing with the main transmission gear, the drive member being adapted to drive the main transmission gear to rotate via the drive gear, the main transmission gear being drively connected to a first transmission group and a second transmission group, the first transmission group and the second transmission group being adapted to transmit the rotation of the main transmission gear.

[0008] In one possible implementation, in response to the reverse rotation of the drive output, the second transmission group drives the input and output ends to engage, thereby driving the roller brush assembly to rise relative to the mounting base; in response to the forward rotation of the drive output, the first transmission group drives the roller brush to rotate, and the second transmission group drives the input and output ends to disengage.

[0009] In one possible implementation, the main drive gear includes a first drive unit, the first drive group includes a first drive gear, and a first driven gear is provided on the roller brush, with the first drive gear meshing with the first driven gear.

[0010] In one possible implementation, the roller brush assembly is provided with two roller brushes, each of which is provided with a first driven gear. The first transmission group also includes a second transmission gear, which meshes with the first transmission gear and the second transmission gear respectively meshing with the first driven gear on the two roller brushes.

[0011] In one possible implementation, the second transmission group includes a third transmission gear, the main transmission gear includes a second transmission part, the third transmission gear meshes with the second transmission part, the input end of the clutch structure is connected to a second driven gear, the second driven gear meshes with the third transmission gear, the main transmission gear drives the input end to rotate through the third transmission gear and the second driven gear, and the input end is adapted to drive the output end engaged with it to rotate.

[0012] In one possible implementation, a traction structure is also included, comprising a traction rope connected between the brush assembly and the mounting base, with a portion of the traction rope located between the brush assembly and the mounting base fixedly connected to the output end.

[0013] In one possible implementation, the traction structure further includes a rope sleeve and a rope cap. The rope sleeve is fitted onto the traction rope, and rope caps are connected to both ends of the traction rope. The two ends of the traction rope are spaced apart and connected to the mounting base through the rope caps. The rope sleeve is fixed to the roller brush assembly, and the output end is connected to the position of the traction rope between the rope sleeve and the rope cap.

[0014] In one possible implementation, at least one speed reduction structure is provided between the second transmission group and the clutch structure. The speed reduction structure is drively connected to the input end of the clutch assembly and the second transmission group, and the speed reduction structure is adapted to reduce the rotational speed transmitted from the second transmission group to the input end.

[0015] In one possible implementation, the reduction structure is a planetary gear set, including a power component, a central gear, planetary gears, a planetary carrier, and a ring gear. The power component is rotatably connected to the brush assembly, the ring gear is fixedly connected to the brush assembly, the central gear is fixedly connected to the power component, the planetary gears are rotatably connected to the planetary carrier, the planetary gears mesh with the ring gear and the central gear, and the planetary carrier is connected to the input end of the clutch structure.

[0016] In one possible implementation, the mounting base has a movable position, the brush assembly is located within the movable position, the mounting base has a connector, the brush assembly includes a connecting structure having a connecting hole, and the connector is inserted into the connecting hole.

[0017] In one possible implementation, the roller brush assembly further includes a roller brush holder, to which the roller brush is rotatably connected. A mounting bracket is provided on the roller brush holder, and the drive structure and transmission structure are both connected to the mounting bracket.

[0018] In one possible implementation, the brush holder is also provided with a mounting groove, the clutch structure is located in the mounting groove, and the brush holder is also connected to a protective cover at the position of the mounting groove, with the protective cover covering the clutch structure.

[0019] A second aspect of this disclosure provides a cleaning device including the aforementioned floor brush. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this disclosure or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is an exploded view of the ground brush provided in an embodiment of this disclosure;

[0022] Figure 2 This is a side view of the roller brush assembly provided in an embodiment of this disclosure;

[0023] Figure 3 This is an exploded view of the clutch structure provided in the embodiments of this disclosure;

[0024] Figure 4 This is a schematic diagram of the structure of the active component provided in the embodiments of this disclosure;

[0025] Figure 5 This is a schematic diagram of a clutch component provided in an embodiment of this disclosure;

[0026] Figure 6 This is another structural schematic diagram of the clutch provided in the embodiments of this disclosure;

[0027] Figure 7 This is a schematic diagram of the structure of the follower provided in the embodiments of this disclosure;

[0028] Figure 8 This is a schematic diagram of the first type of clutch structure provided in the embodiments of this disclosure;

[0029] Figure 9 This is a schematic diagram of the second type of clutch structure provided in the embodiments of this disclosure;

[0030] Figure 10 This is a schematic diagram of the third type of clutch structure provided in the embodiments of this disclosure;

[0031] Figure 11 This is a schematic diagram of the fourth type of clutch structure provided in the embodiments of this disclosure;

[0032] Figure 12 This is a schematic diagram of a roller brush assembly provided in an embodiment of the present disclosure;

[0033] Figure 13 This is a schematic diagram of a traction structure provided in an embodiment of the present disclosure;

[0034] Figure 14 This is a schematic diagram of a floor brush provided in an embodiment of the present disclosure;

[0035] Figure 15 This is a schematic diagram of a deceleration structure provided in an embodiment of this disclosure.

[0036] Figure label:

[0037] 10. Mounting base; 11. Movable position; 12. Connector; 13. Sensor; 20. Roller brush assembly; 21. Roller brush holder; 22. Mounting bracket; 221. End cap; 23. Connecting structure; 231. Connecting hole; 24. Mounting groove; 25. Protective cover; 26. Guide groove; 27. Clamping cover; 28. Roller brush; 281. First driven gear; 29. ​​Sensor; 30. Drive structure; 31. Drive component; 32. Drive gear; 40. Transmission structure; 41. Main transmission gear; 411. First transmission part; 412. Second transmission part; 42. First transmission group; 421. First transmission gear; 422. Second transmission gear; 43. Second transmission group; 431. Third transmission gear; 50. Reduction structure; 51. Fixed base; 52. Power component; 53. Center gear; 54. 55. Planetary gear; 56. Planetary carrier; 67. Gear ring; 68. Clutch structure; 69. Driving element; 60. Receiving groove; 612. Connecting shaft; 613. Input end; 614. Driving mating element; 6141. Helical part; 6142. Drive part; 62. Clutch element; 621. First clutch part; 622. Second clutch part; 623. First boss; 624. Second boss; 625. Transmission element; 63. Driven element; 631. Driven part; 632. Receiving groove; 633. Driven mating element; 634. Output end; 6341. Storage groove; 635. Pressure block; 64. Rotating shaft; 65. Second driven gear; 70. Adapter; 71. Adapter body; 72. Adapter shaft; 73. Adapter groove; 80. Traction structure; 81. Traction rope; 82. Rope cap; 83. Rope loop. Detailed Implementation

[0038] As the background technology shows, the cleaning devices of this technology have complex internal structures to achieve the raising and lowering of the roller brush, which is not conducive to maintenance and repair, and also increases costs due to the added structure. The main reason for this problem is that, in order to ensure that the roller brush can rise and fall, the cleaning device has an additional internal structure to drive the roller brush to rise and fall. That is to say, in addition to the drive structure for driving the roller brush to rotate, there is a separate drive structure for driving the roller brush to rise and fall. This results in an increase in the number of parts in the cleaning device, an increase in the size of the cleaning device, and an increase in the difficulty of maintenance and repair.

[0039] To address the aforementioned issues, this disclosure provides a floor brush in which the drive structure for rotating the roller brush can simultaneously drive the roller brush to rise and fall. This reduces the number of internal parts, simplifies the brush structure, facilitates assembly, and streamlines maintenance. Furthermore, the simplified brush structure reduces its size and space requirements.

[0040] The technical solutions of this disclosure and how they solve the aforementioned technical problems will be described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of this disclosure will now be described with reference to the accompanying drawings.

[0041] Figure 1 This is an exploded view of the floor brush provided in an embodiment of this disclosure. Figure 2 This is a side view of the roller brush assembly 20 provided in an embodiment of this disclosure.

[0042] See Figure 1 and Figure 2 As shown, this disclosure provides a floor brush, including a mounting base 10, a roller brush assembly 20, a drive structure 30, a transmission structure 40, and a clutch structure 60. The roller brush assembly 20, as the main structure of the cleaning equipment, can be used to clean surfaces. The roller brush assembly 20 includes a rotatably mounted roller brush 28, which can vacuum the surface during cleaning. The roller brush assembly 20 is movably connected to the mounting base 10. The mounting base 10 not only assembles the roller brush assembly 20 into the cleaning equipment, but also, in response to the operation of the roller brush assembly 20, drives the roller brush assembly 20 to move relative to the mounting base 10, thereby raising and lowering the roller brush 28.

[0043] In this disclosure, the rotation of the roller brush 28 relies on the drive structure 30. The drive structure 30 can be integrally mounted on the roller brush assembly 20. The drive structure 30 can output a driving force, which can be transmitted to the roller brush 28 through the transmission structure 40 to drive the roller brush 28 to rotate. The transmission structure 40 includes a first transmission group 42 and a second transmission group 43. The first transmission group 42 is drively connected between the roller brush 28 and the drive structure 30. The first transmission group 42 is not only used to transmit the driving force of the drive structure 30, but also to convert the driving force of the drive structure 30 into rotational force to drive the roller brush 28 to rotate.

[0044] The clutch structure 60 has an input end 613 and an output end 634. A second transmission group 43 is drively connected between the input end 613 and the drive structure 30. The second transmission group 43 is used to transmit the driving force of the drive structure 30 to the input end 613. In response to the driving force transmitted to the input end 613, the input end 613 is adapted to cooperate with the output end 634 to raise and lower the roller brush assembly 20 relative to the mounting base 10.

[0045] The rising and falling of the roller brush assembly 20 relative to the mounting base 10 can be understood as follows: when the roller brush assembly 20 is used to clean the cleaning surface, the direction in which the roller brush assembly 20 is relatively away from the cleaning surface is the rising direction, the output end 634 drives the roller brush assembly 20 to move away from the cleaning surface to rise, and drives the roller brush assembly 20 to move towards the cleaning surface relative to the mounting base 10 to return to its original position to fall.

[0046] In some embodiments, in order to enable the output terminal 634 to drive the roller brush assembly 20 to move relative to the mounting base 10, the output terminal 634 can be connected to the mounting base 10 or to the roller brush assembly 20, or the output terminal 634 can be connected to both the mounting base 10 and the roller brush assembly 20. In this embodiment, the output terminal 634 is indirectly connected to both the roller brush assembly 20 and the mounting base 10. In this case, the output terminal 634 is connected between the roller brush assembly 20 and the mounting base 10. The specific connection method will be described below.

[0047] The input terminal 613 and the output terminal 634 have a separated state and an engaged state. The drive structure 30 can drive the input terminal 613 to move in two opposite directions through the second transmission group 43. In response to driving the input terminal 613 to move in one of the directions, the input terminal 613 can engage with the output terminal 634 to achieve the engagement of the input terminal 613 and the output terminal 634. In response to driving the input terminal 613 to move in the opposite direction, the input terminal 613 and the output terminal 634 are separated.

[0048] In response to the drive structure 30 engaging the input end 613 and the output end 634, the drive structure 30 can continue to drive the output end 634 to move via the second transmission group 43. At this time, the output end 634 can drive the roller brush assembly 20 to rise relative to the mounting base 10. In response to the drive structure 30 disengaging the input end 613 and the output end 634, the output end 634 is not subject to the driving force, and the roller brush assembly 20 descends freely relative to the mounting base 10.

[0049] The floor brush disclosed herein has a drive structure 30 that drives the roller brush 28 to rotate via a first transmission group 42 to clean the cleaning surface. The drive structure 30 can also drive the roller brush assembly 20 to move relative to the mounting base 10 via a second transmission group 43 to achieve the lifting and lowering of the roller brush assembly 20. In this way, only one drive structure 30 is needed to simultaneously complete the rotation and dust collection of the roller brush 28 and the lifting and lowering of the roller brush assembly 20, reducing the number of parts, simplifying the structure, facilitating assembly, and making maintenance and repair easier. This not only reduces the manufacturing and assembly costs of the entire device but also reduces maintenance and repair costs.

[0050] Furthermore, this disclosure transmits the driving force of the drive structure 30 through the clutch structure 60. In response to the need to drive the roller brush assembly 20 to rise, the input end 613 and the output end 634 are engaged. The input end 613 can then transmit the driving force of the drive structure 30 to the output end 634 to drive the roller brush assembly 20 to move relative to the mounting base 10. In response to the need for the roller brush assembly 20 to descend relative to the mounting base 10 and return to its original position, the input end 613 and the output end 634 are simply separated. At this time, the output end 634 is not restricted by external forces from other structures and is in a free-moving state, while the roller brush assembly 20 falls freely under its own gravity to return to its original position. This avoids the movement of the roller brush assembly 20 to return to its original position being hindered, which is conducive to the roller brush assembly 20 quickly returning to its original position. Moreover, since the input end 613 and the output end 634 are in a separated state, it avoids the situation where the roller brush assembly 20 cannot return to its original position due to the jamming of the component engagement position during the descent.

[0051] See Figure 1 and Figure 2 As shown, in some possible implementations, the transmission structure 40 includes a main transmission gear 41, the drive structure 30 includes a drive element 31 and a drive gear 32. The drive structure 30 of this disclosure is a drive motor, the output end 634 of the drive motor is used to extend the rotational driving force, and the drive gear 32 is coaxially rotatably connected to the output end 634 of the drive motor.

[0052] It should be noted that the driving component 31 can be connected to the roller brush assembly 20, and both the driving gear 32 and the main transmission gear 41 can be rotatably mounted on the roller brush assembly 20. Specifically, in some embodiments, the roller brush assembly 20 also includes a roller brush seat 21, which is the main structure of the roller brush assembly 20 and forms the integral frame of the roller brush assembly 20. The roller brush seat 21 can serve as a carrier for other components on the roller brush assembly 20. For example, the roller brush 28 is rotatably connected to the roller brush seat 21, and both the driving structure 30 and the transmission structure 40 are connected to the roller brush seat 21.

[0053] In this disclosure, a mounting bracket 22 is connected to one end of the roller brush holder 21 along its length. The mounting bracket 22 can be fixedly connected to the roller brush holder 21 by means of adhesive or welding, or it can be detachably connected to the roller brush holder 21 by means of a snap-fit ​​structure, a fastening structure, or screws. This embodiment does not make specific limitations. The driving component 31 of this disclosure is mounted on the mounting bracket 22 along the length of the roller brush holder 21, and the driving component 31 is located on the side of the mounting bracket 22 facing the roller brush holder 21. The side of the mounting bracket 22 facing away from the driving component 31 is provided with multiple mounting positions. The transmission structure 40 is connected to the corresponding mounting position. The main transmission gear 41 is rotatably connected to one of the mounting positions of the mounting bracket 22. The first transmission group 42 and the second transmission group 43 are both connected to the side of the mounting bracket 22 facing away from the driving component 31.

[0054] The mounting bracket 22 is also covered with an end cap 221. The end cap 221 can be detachably connected to the mounting bracket 22 by a snap-fit ​​structure, a fastening structure or screws. The end cap 221 is used to cover the structure installed on the mounting bracket 22 between itself and the mounting bracket 22.

[0055] The drive gear 32 meshes with the main drive gear 41. The drive member 31 is adapted to drive the main drive gear 41 to rotate via the drive gear 32. The main drive gear 41 is connected to the first transmission group 42 and the second transmission group 43. The first transmission group 42 and the second transmission group 43 are adapted to transmit the rotation of the main drive gear 41. It can be understood that the rotation of the drive member 31 can ultimately be transmitted by the first transmission group 42 to the roller brush 28, causing the roller brush 28 to rotate and suck up dust, or it can be transmitted by the second transmission group 43 to the clutch structure 60, causing the input end 613 and the output end 634 of the clutch structure 60 to engage and disengage.

[0056] It is worth mentioning that, assuming the driving component can output rotation in two opposite directions, forward and reverse, in order to Figure 2 Taking a specific perspective as an example, clockwise rotation of the drive unit is considered forward rotation, and counterclockwise rotation is considered reverse rotation. When the drive unit outputs forward rotation, the second transmission group can engage the input and output ends, thereby causing the brush assembly to rise relative to the mounting base. When the drive unit drives the main drive gear to rotate in the reverse direction, the first transmission group drives the brush to rotate, and this causes the second transmission group to disengage the input and output ends, thus causing the brush assembly to descend relative to the mounting base under the influence of gravity. How the relative movement between the brush assembly 20 and the mounting base 10 is achieved will be explained in detail later.

[0057] In some feasible implementations, the main drive gear 41 includes a first drive section 411, and the first drive assembly 42 includes a first drive gear 421. The first drive gear 421 is rotatably connected to the mounting bracket 22. The shafts of the first drive gear 421, the main drive gear 41, and the roller brush 28 are all parallel. A first driven gear 281 is provided at one end of the roller brush 28 connected to the roller brush seat 21. The first driven gear 281 and the roller brush 28 rotate coaxially. The first drive section 411 is a gear structure, meshing with the first drive gear 421, and the first drive gear 421 meshing with the first driven gear 281. Thus, the drive member 31 drives the drive gear 32 to rotate, the drive gear 32 drives the main drive gear 41 to rotate, and the main drive gear 41 can transmit rotation to the first driven gear 281 through the first drive gear 421, thereby driving the roller brush 28 to rotate.

[0058] It should be noted that the roller brush assembly 20 of this disclosure can be provided with one roller brush 28 or multiple roller brushes 28. For example, in this embodiment of the disclosure, the roller brush assembly 20 is provided with two roller brushes 28, both of which are rotatably connected to the roller brush seat 21, and the rotation axes of the two roller brushes 28 are parallel. A first driven gear 281 is provided on the end of each of the two roller brushes 28 located on the same side, and the first driven gears 281 of the two roller brushes 28 are rotatably connected to the corresponding mounting positions of the mounting bracket 22. The first transmission group 42 also includes a second transmission gear 422, and the first transmission gear 421 and the second transmission gear 422 mesh with each other, respectively meshing with the first driven gears 281 on the two roller brushes 28. In this way, the main drive gear 41 can transmit the driving force to the first drive gear 421, and the first drive gear 421 transmits the driving force to the second drive gear 422. At this time, both the first drive gear 421 and the second drive gear 422 can rotate, and the rotation directions are opposite. The first drive gear 421 transmits the rotation to one of the two roller brushes 28, and the second drive gear 422 transmits the rotation to the other of the two roller brushes 28, thereby driving the two roller brushes 28 to rotate simultaneously, and the rotation directions are opposite.

[0059] In some feasible embodiments, the second transmission assembly 43 includes a third transmission gear 431 rotatably connected to the mounting bracket 22. The main transmission gear 41 also includes a second transmission section 412, which is a gear structure, and the third transmission gear 431 meshes with the second transmission section 412. The input end 613 of the clutch structure 60 is connected to a second driven gear 65, which meshes with the third transmission gear 431. Thus, the rotational driving force output by the drive member 31 can be transmitted from the second transmission section 412 of the main transmission gear 41 to the third transmission gear 431. The third transmission gear 431 electrically rotates the second driven gear 65 to drive the input end 613 to rotate. The input end 613 is adapted to drive the output end 634, which it engages with, to rotate.

[0060] It is worth mentioning that the input end 613 and the output end 634 of this disclosure are both rotatably connected to the brush holder 21 so that the driving component 31 can eventually drive the input end 613 and the output end 634 to rotate.

[0061] Figure 3 This is an exploded view of the clutch structure 60 provided in the embodiments of this disclosure. Figure 4 This is a schematic diagram of the structure of the active component 61 provided in an embodiment of this disclosure. Figure 5 This is a schematic diagram of a clutch 62 provided in an embodiment of the present disclosure. Figure 6 This is another structural schematic diagram of the clutch 62 provided in this embodiment of the present disclosure. Figure 7 This is a schematic diagram of the structure of the follower 63 provided in the embodiments of this disclosure.

[0062] See Figures 3 to 7 As shown, in some possible implementations, the clutch structure 60 includes a driving member 61, a clutch member 62, and a driven member 63. The driving member 61 and the driven member 63 are rotatably disposed on the brush holder 21, the clutch member 62 is movably disposed between the driving member 61 and the driven member 63, the input end 613 is disposed on the driving member 61, and the output end 634 is disposed on the driven member 63.

[0063] The driving component 31 can drive the active component 61 to rotate. The motor inside the driving component 31 has two opposite rotation directions, which are used to drive the drive gear 32 to output two opposite rotation directions. Let's call the rotation in the two opposite directions forward rotation and reverse rotation. Figure 2 As shown, in response to the forward rotation output of the drive member 31, the drive gear 32 rotates clockwise; in response to the reverse rotation output of the drive member 31, the drive gear 32 rotates counterclockwise. Both forward and reverse rotation can be transmitted to the driving member 61 of the clutch structure 60. In this application, in response to the forward rotation output of the drive member 31, the driving member 61 is ultimately driven to rotate in the opposite direction relative to the rotation of the drive gear 32; in response to the reverse rotation output of the drive member 31, the driving member 61 is ultimately driven to rotate in the forward direction relative to the rotation of the drive gear 32 (the rotation directions of the driving member 61 and the drive gear 32 are the same).

[0064] In this disclosure, the driving member 61 can be connected to the clutch member 62. Reverse rotation of the driving member 61 drives the clutch member 62 towards the driven member 63, and can move it until the clutch member 62 and the driven member 63 are engaged. At this point, continued forward rotation of the driving member 61 drives the driven member 63 to rotate via the clutch member 62, thereby driving the roller brush assembly 20 to move relative to the mounting base 10. In response to the forward rotation of the driving member 61, the driving member 61 drives the clutch member 62 to reverse. The connection between the clutch member 62 and the driven member 63 forces the clutch member 62 away from the driven member 63 until the clutch member 62 and the driven member 63 disengage. At this point, the reverse rotation of the driving member 61 will not be transmitted to the driven member 63, achieving separation of the driving member 61 and the driven member 63 (disengagement state of the clutch structure 60).

[0065] Specifically, the driving element 61, clutch element 62, and driven element 63 are all cylindrical structures. One end of the driving element 61 has a connecting shaft 612 along its central axis. The axis of the connecting shaft 612 coincides with the central axis of the driving element 61. The clutch structure 60 also includes a plug-in shaft 64, whose ends are plugged into the connecting shaft 612. For example, the end of the plug-in shaft 64 has a "D"-shaped protrusion, and the end of the connecting shaft 612 has a "D"-shaped groove. The two are connected by the protrusion fitting into the groove. When connected, the plug-in shaft 64 and the connecting shaft 612 are coaxial. The end of the plug-in shaft 64 away from the connecting shaft 612 is rotatably connected to the brush holder 21, thus allowing the driving element 61 and the brush holder 21 to be rotatably connected.

[0066] An input end 613 is provided at one end of the driving member 61 facing away from the receiving groove 611. The input end 613 protrudes from the driving member 61 and is used to connect to the second driven gear 65.

[0067] In some embodiments, the driving member 61 also has a receiving groove 611 on the end face where the connecting shaft 612 is located. A portion of the structure of the connecting shaft 612 is accommodated in the receiving groove 611. A plurality of active mating parts are provided in the receiving groove 611, and the plurality of active mating parts are equally spaced around the central axis of the driving member 61. The driven member 63 includes a driven part 631. One end of the driven part 631 has a receiving groove 632. A plurality of driven mating parts 633 are provided in the receiving groove 632, and the plurality of driven mating parts 633 are equally spaced around the central axis of the driven member 63.

[0068] The plug shaft 64 can be inserted through the driven member 63, so that the driven member 63 is rotatably connected to the plug shaft 64. The driven member 63 can rotate around the plug shaft 64. The driving member 61 and the driven member 63 are connected together through the plug shaft 64. In response to the clutch structure 60 being in the engaged state, the driven member 63 and the driving member 61 rotate together around the plug shaft 64. In response to the clutch structure 60 being in the disengaged state, the driving member 61 and the driven member 63 can rotate individually around the plug shaft 64.

[0069] The driven member 63 includes a driven part 631, and an output end 634 is connected to one end of the driven part 631 in the direction of its central axis. The driven part 631 has a receiving groove 632 at the end facing away from the output end 634. The driven part 631 is provided with a plurality of driven mating parts 633 in the receiving groove 632. The plurality of driven mating parts 633 are arranged at equal intervals around the central axis of the driven part 631.

[0070] The clutch 62 is located between the driving member 61 and the driven member 63. More specifically, one end of the clutch 62 in the direction of its central axis can be located in the receiving groove 611, and the other end can be located in the receiving groove 632. At this time, the connecting shaft 612 of the driving member 61 can pass through the clutch 62, so that the clutch 62 can rotate relative to the connecting shaft 612.

[0071] The clutch 62 has a first boss 623 protruding from one end along its central axis and a second boss 624 protruding from the other end. The clutch 62 also has multiple first clutch portions 621 and multiple transmission components 625 protruding from the end face with the first boss 623. The multiple first clutch portions 621 and multiple transmission components 625 are all equally spaced around the central axis of the clutch 62. The clutch 62 also has multiple second clutch portions 622 protruding from the end face with the second boss 624. The multiple second clutch portions 622 are equally spaced around the central axis of the clutch 62.

[0072] The transmission component 625 of the clutch 62 can be connected to the active engagement component 614. In response to the rotation of the active component 61, the active engagement component 614 can drive the transmission component 625 to rotate, thereby driving the clutch 62 to rotate. The active engagement component 614 can also engage with the first clutch part 621. In response to the rotation of the active component 61, the active engagement component 614 and the first clutch part 621 can engage to drive the clutch 62 towards the driven component 63. That is, the active component 61 can both drive the clutch 62 to rotate and drive the clutch 62 towards the driven component 63. During the movement of the clutch 62 towards the driven component 63, the second clutch part 622 can engage with the driven engagement component 633 on the driven component 63. At this time, the clutch 62 can drive the driven component 631 and the output end 634 to rotate.

[0073] In this embodiment, a transmission member 625 is disposed between two adjacent first clutch portions 621. Multiple transmission members 625 and multiple first clutch portions 621 surround the outer periphery of a first boss 623, and the end faces of the transmission members 625 and first clutch portions 621 facing the first boss 623 are abutted against the peripheral wall of the first boss 623. Multiple second clutch portions 622 surround the outer periphery of a second boss 624, and the end faces of the second clutch portions 622 facing the second boss 624 are abutted against the peripheral wall of the second boss 624. This increases the strength of the transmission members 625, the first clutch portions 621, and the second clutch portions 622.

[0074] The active mating member 614 disclosed herein includes a helical portion 6141 and a driving portion 6142. The helical portion 6141 extends along the inner wall of the receiving groove 611 around the central axis of the active member 61. Along the extension direction of the helical portion 6141, the size of the helical portion 6141 gradually increases in the direction of the central axis of the active member 61, so that the helical portion 6141 has a helical structure. The end face of the helical portion 6141 facing away from the bottom of the receiving groove 611 is a helical surface. The driving portion 6142 is connected to the smaller end of the helical portion 6141.

[0075] The structure of the first clutch part 621 is similar to that of the helical part 6141. That is, the first clutch part 621 extends around the central axis of the clutch member 62. Along the extension direction of the first clutch part 621, the size of the first clutch part 621 gradually increases in the direction of the central axis of the clutch member 62. It can also be regarded as the size of the first clutch part 621 protruding from the surface of the clutch member 62 gradually increases along the extension direction of the first clutch part 621. The end face of the first clutch part 621 facing away from the clutch member 62 is a helical surface.

[0076] It should be noted that the direction of the increase in size of the active engagement member 614 is different from the direction of the increase in size of the first clutch part 621. Taking the active member 61 as a reference, if the direction of the gradual increase in size of the active engagement member 614 is clockwise around the central axis of the active member 61, in response to the engagement of the clutch part 62 and the connecting shaft 612 and the first clutch part 621 of the clutch part 62 facing the active engagement member 614, the size of the first clutch part 621 protruding from the clutch part 62 gradually increases counterclockwise around the central axis of the active member 61.

[0077] It should be noted that the structures of the second clutch part 622 and the driven mating part 633 are similar to those of the screw part and the first clutch part 621, all being helical structures and having helical end faces. The helical directions of the second clutch part 622 and the driven mating part 633 are opposite.

[0078] The following is based on Figures 8 to 11 The following example will be used for illustration. Figure 8 This is a schematic diagram of the first structure of the clutch structure 60 provided in this embodiment of the present disclosure. Figure 9 This is a schematic diagram of a second structure of the clutch structure 60 provided in this embodiment of the present disclosure. Figure 10 This is a schematic diagram of the third structure of the clutch structure 60 provided in this embodiment. Figure 11 This is a schematic diagram of the fourth structure of the clutch structure 60 provided in the embodiments of this disclosure.

[0079] Figures 8 to 11In this case, the rotation direction of the active member 61 can be from R to L, in which case the rotation of the active member 61 can be defined as a reverse rotation. Alternatively, the rotation direction of the active member 61 can be from L to R, in which case the rotation of the active member 61 can be defined as a forward rotation.

[0080] See Figure 8 and Figure 9 As shown, in response to the engagement of the clutch 62 and the connecting shaft 612, the transmission member 625 is located between two adjacent active engagement members 614, with the helical surface of the first clutch portion 621 facing the helical surface of the helical portion 6141. If the active member 61 is driven to rotate in the opposite direction, it can drive the helical portion 6141 to move towards the first clutch portion 621, allowing the helical surface of the helical portion 6141 to move towards the helical surface of the first clutch portion 621, and enabling the helical surface of the helical portion 6141 to abut against the helical surface of the first clutch portion 621. The states of the helical portion 6141 and the first clutch portion 621 at this time are shown in the diagram. Figure 8 As shown. Continuing to drive the driving member 61 to rotate in the opposite direction, since the spiral surface of the spiral part 6141 and the spiral surface of the first clutch part 621 have opposite spiral directions, as the larger end of the spiral part 6141 and the larger end of the first clutch part 621 gradually approach each other, the spiral part 6141 can drive the clutch part 62 to move in a direction away from the driving member 61 (towards the driven member 63).

[0081] Combination Figure 9 As shown, in response to the helical part 6141 driving the clutch 62 to move toward the driven member 63, the second clutch 622 is located between two adjacent driven mating members 633. The reverse rotation of the driving member 61 can rotate the driving part 6142 to abut against the transmission member 625, so that the driving member 61 can simultaneously drive the clutch 62 to rotate in the opposite direction. In response to the reverse rotation of the clutch 62, the second clutch 62 can move in a direction where its helical surface is away from the helical surface of the driven mating member 633. During this movement, the end face of the second clutch 62 in its extending direction can abut against the end face of the driven mating member 633 in its extending direction. At this time, the driving member 61 and the driven member 63 are in an engaged state. Continuing to drive the driving member 61 to rotate in the opposite direction can drive the driven part 631 to rotate in the opposite direction.

[0082] Combination Figure 10 and Figure 11As shown, in response to separating the engaged driving member 61 and driven member 63, the driving member 61 needs to be driven to rotate in the forward direction. During the forward rotation of the driving member 61, the helical portion 6141 located in the forward rotation direction can abut against the transmission member 625 to drive the transmission member 625 to rotate, thereby driving the clutch member 62 to rotate in the forward direction. At this time, the second clutch member 62 rotates with its helical surface facing the helical surface of the driven engagement member 633. After rotating to the point where the helical surface of the second clutch member 62 abuts against the helical surface of the driven engagement member 633 (see... Figure 10 As shown in the diagram, the clutch 62 continues to rotate forward, and the larger end of the driven engagement part 633 gradually approaches the larger end of the second clutch part 622, forcing the clutch 62 to move away from the driven part 63 until it moves to the point where the second clutch part 622 and the driven engagement part 633 disengage. At this point, the clutch 62 also disengages from the driven part 63. Figure 11 (State), so that the driving member 61 and the driven member 63 are in a separated state, and the driving member 61 cannot continue to drive the driven member 63 to rotate when it rotates in the forward direction.

[0083] It is worth mentioning that the size of the transmission component 625 protruding from the clutch component 62 is larger than the maximum size of the first clutch component 62 protruding from the clutch component 62. This allows the clutch component 62 to move away from the driving component 61, so that the transmission component 625 can abut against the helical part 6141 or the driving part 6142.

[0084] Figure 12 This is a schematic diagram of a structure of the roller brush assembly 20 provided in an embodiment of this disclosure. Figure 13 This is a schematic diagram of a traction structure 80 provided in an embodiment of this disclosure.

[0085] See Figure 1 , Figure 12 and Figure 13 As shown, the output terminal 634 of this disclosure is connected between the mounting base 10 and the roller brush assembly 20. That is, the roller brush assembly 20 and the mounting base 10 are indirectly connected through the output terminal 634 of the clutch structure 60, and the output terminal 634 can drive the roller brush assembly 20 to move relative to the mounting base 10 when it rotates. It should be noted that the output terminal 634, the mounting base 10, and the roller brush assembly 20 can be combined in various ways to transmit the rotation of the output terminal 634 to the roller brush assembly 20 and drive the roller brush assembly 20 to move relative to the mounting base 10.

[0086] For example, the output end 634 can be a gear structure, with racks provided on both the brush holder 21 and the mounting base 10. The racks on the brush holder 21 and the mounting base 10 are spaced apart, and the output end 634 is located between the two racks and is meshed with both racks. In response to the rotation of the output end 634, since the mounting base 10 is fixed, the racks on the output end 634 and the brush holder 21 mesh and move relative to each other, thereby driving the brush holder 21 to move relative to the mounting base 10, and thus driving the entire brush assembly 20 to move relative to the mounting base 10. Alternatively, a connecting rod structure can be provided between the output end 634 and the brush holder 21. In this case, the connecting rod structure is similar to the connecting rod structure inside a hydraulic cylinder used to drive the piston to move. The rotation of the output end 634 drives the connecting rod structure to move, thereby driving the brush holder 21 to perform piston movement relative to the mounting base 10, and thus driving the brush assembly 20 to move relative to the mounting base 10.

[0087] In this embodiment of the disclosure, the output end 634, the brush holder 21 and the mounting base 10 are mainly connected together by the traction structure 80.

[0088] Specifically, the traction structure 80 of this disclosure includes a traction rope 81, which is connected between the roller brush assembly 20 and the mounting base 10. One end of the traction rope 81 can be fixed to the mounting base 10, and the other end of the traction rope 81 can be fixed to the roller brush seat 21, thus connecting the roller brush seat 21 and the mounting base 10 together via the traction rope 81. The portion of the traction rope 81 located between the roller brush assembly 20 and the mounting base 10 is fixedly connected to the output end 634. Rotation of the output end 634 can wind the traction rope 81 around its outer wall. As the traction rope 81 winds around the outer wall of the output end 634, it can pull the roller brush seat 21 to move relative to the mounting base 10, thereby raising the roller brush assembly 20. In response to the separation between the output end 634 and the input end 613, the output end 634 is not subject to external force and can rotate freely on the roller brush seat 21. At this time, the roller brush assembly 20 undergoes free fall relative to the mounting base 10, thus unwinding the traction rope 81 wound around the output end 634.

[0089] In some feasible implementations, one or more traction ropes 81 can be provided. This disclosure uses the provision of one traction rope 81 as an example for illustration. The traction structure 80 also includes a rope sleeve 83 and a rope cap 82. The rope sleeve 83 is fitted onto the traction rope 81. The rope sleeve 83 is a tubular structure with a passage for the traction rope 81 to pass through. Both ends of the rope sleeve 83 have openings that communicate with the passage. The traction rope 81 can extend into the rope sleeve 83 from one opening and then extend towards and out of the other opening. It should be noted that the length of the rope sleeve 83 is less than the length of the traction rope 81. The rope sleeve 83 is fitted onto the traction rope 81 such that both ends of the traction rope 81 are outside the rope sleeve 83, while the middle part of the traction rope 81 passes through the rope sleeve 83.

[0090] Both ends of the traction rope 81 are connected to rope caps 82. Both ends of the traction rope 81 are connected to the mounting base 10 through the rope caps 82. The size of the rope caps 82 is larger than that of the traction rope 81. The rope caps 82 form an expansion structure at the end of the traction rope 81. The mounting base 10 can be provided with a hole that allows only the traction rope 81 to pass through but not the rope caps 82. First, the end of the traction rope 81 is passed through the hole, and then the rope caps 82 are connected to the end of the traction rope 81. In this way, the end of the traction rope 81 can be restricted to the mounting base 10, so that the end of the traction rope 81 is connected to the mounting base 10.

[0091] It is worth mentioning that the roller brush holder 21 is provided with a guide groove 26, the rope loop 83 is housed in the guide groove 26 and extends along the guide groove 26, and a buckle for fixing the rope loop 83 can also be provided in the guide groove 26 to fix the position of the rope loop 83.

[0092] The two ends of the traction rope 81 are spaced apart along the length of the roller brush seat 21. The roller brush seat 21 can also be provided with a guide seat for guiding the end of the traction rope 81. The guide seat is provided with a guide channel extending from the roller brush seat 21 toward the mounting seat 10. The end of the rope sleeve 83 can be fixed to the guide seat and the opening of the rope sleeve 83 is set toward the mounting seat 10, so that the end of the traction rope 81 can extend from the guide channel toward the mounting seat 10.

[0093] The output end 634 is located near one end of the traction rope 81, and is connected to the traction rope 81 at that end between the rope loop 83 and the rope cap 82. In response to the output end 634 winding up the traction rope 81, the roller brush seat 21 can move relative to the mounting base 10 at the position of the output end 634. Moreover, since the traction rope 81 is passed through the rope loop 83, the traction rope 81 can also move within the rope loop 83 when it is wound up. That is, the other end of the traction rope 81 that is not connected to the output end 634 is pulled along the extension path of the rope loop 83 and moves closer to the output end 634. At this time, the other end of the traction rope 81 that is not connected to the output end 634 will also move the roller brush seat 21 relative to the mounting base 10.

[0094] For example, in order to secure both ends of the rope loop 83, a clamping cap 27 can also be provided on the roller brush seat 21. The clamping cap 27 is connected to the roller brush seat 21 by screws. In response to the clamping cap 27 being connected to the roller brush seat 21, the clamping cap 27 can press the end of the rope loop 83 onto the roller brush seat 21.

[0095] For example, the output end 634 of this disclosure is a cylindrical structure. The outer wall of the output end 634 is provided with a storage groove 6341, and a pressure block 635 is fixedly connected to the output end 634. The traction rope 81 is fixed to the output end 634 by the pressure block 635. The output end 634 can rotate to wind the traction rope 81 into the storage groove 6341.

[0096] Figure 14 This is a schematic diagram of a floor brush provided in an embodiment of this disclosure.

[0097] See Figure 1 and Figure 14 As shown, in some possible implementations, the mounting base 10 is provided with a movable position 11, the roller brush assembly 20 is located within the movable position 11, the mounting base 10 is provided with a connector 12, and the roller brush assembly 20 includes a connecting structure 23 having a connecting hole 231. In response to the roller brush assembly 20 being located in the movable position 11, the connector 12 is inserted into the connecting hole 231. Through the cooperation of the connector 12 and the connecting hole 231, the movement path of the roller brush assembly 20 within the movable position 11 can be restricted, allowing the roller brush assembly 20 to move linearly relative to the mounting base 10 within the movable position 11.

[0098] In addition, to accurately locate the moving position of the roller brush assembly 20 relative to the mounting base 10, a position sensing system can be set between the roller brush assembly 20 and the mounting base 10. For example, a sensor 29 can be set on the roller brush base 21. The sensor 29 can be a protrusion on the roller brush base 21, or it can be a spring-loaded structure connected to the roller brush base 21. A sensor 13 is set on the mounting base 10 at the position corresponding to the sensor 29. The sensor 13 can be a photoelectric sensor or a micro switch. In response to the roller brush base 21 moving relative to the mounting base 10 to the target position, the sensor 13 detects the position of the sensor 29. At this time, the drive unit 31 can be controlled to stop driving the roller brush assembly 20 to continue rising. At this time, the roller brush assembly 20 is self-locked by the meshing of gears, fixing it in the target position.

[0099] Figure 15 This is a schematic diagram of a deceleration structure 50 provided in an embodiment of the present disclosure.

[0100] See Figure 1 , Figure 12 and Figure 15As shown, in some possible implementations, at least one speed reduction structure 50 is further provided between the second transmission group 43 and the clutch structure 60. The speed reduction structure 50 is drive-connected to the input end 613 of the clutch assembly and the second transmission group 43. The speed reduction structure 50 is adapted to reduce the rotational speed transmitted from the second transmission group 43 to the input end 613. The internal motor of the drive unit 31, which is generally used to drive the roller brush 28 to rotate, rotates at a relatively high speed. If the speed at which the roller brush 28 rotates is used to drive the output end 634 of the clutch structure 60 to rotate, thereby winding the traction rope 81, then the roller brush assembly 20 will be pulled up rapidly. In this process, the traction rope 81 may be torn off. Moreover, the roller brush assembly 20 starts to move from a stationary state. If the drive unit 31 and the clutch structure 60 are directly connected by gear meshing, the rotation output by the drive unit 31 is directly output by the output end 634. The rapidly rotating output end 634 is likely to cause the roller brush assembly 20 to start up too quickly and is likely to cause the roller brush 28 to rise unevenly. When the roller brush assembly 20 reaches the predetermined position, it is not easy to stop moving. Therefore, by setting the deceleration structure 50, the rotational speed transmitted by the drive component 31 through the second transmission group 43 can be reduced, so that the rotational speed transmitted to the output end 634 is slower. This not only slows down the start-up of the roller brush assembly 20, but also makes the start-up of the roller brush assembly 20 at low speed more stable than at high speed, and makes it easier to stop at the predetermined position.

[0101] In this embodiment, the reduction structure 50 is a planetary gear set 54. The reduction structure 50 includes a fixed base 51, a power component 52, a central gear 53, planetary gears 54, a planetary carrier 55, and a gear ring 56. The fixed base 51 is fixedly connected to the roller brush holder 21, and the power component 52 is rotatably connected to the fixed base 51, allowing the power component 52 to rotate relative to the roller brush holder 21. The gear ring 56 is fixedly connected to the roller brush assembly 20, the central gear 53 is fixedly connected to the power component 52, and the planetary gears 54 are rotatably connected to one side of the planetary carrier 55. Planetary gear 54 is located inside gear ring 56, and central gear 53 can also extend into gear ring 56. There is a gap between central gear 53 and the inner wall of gear ring 56. The inner wall of gear ring 56 is provided with meshing teeth. Planetary gear 54 is located between gear ring 56 and central gear 53, and planetary gear 54 meshes with gear ring 56 and central gear 53. The side of planet carrier 55 facing away from planetary gear 54 is connected to the input end 613 of clutch structure 60.

[0102] It should be noted that the planet carrier 55 is provided with three planetary gears 54, which are equally spaced around the central axis of the gear ring 56, and all three planetary gears 54 are meshed between the central gear 53 and the gear ring 56.

[0103] The second driven gear 65 is connected to the end of the power component 52 facing away from the central gear 53, and the second driven gear 65 and the central gear 53 are coaxially arranged. In this way, the drive component 31 can drive the second driven gear 65 to rotate through the main transmission gear 41 and the third transmission gear 431, so as to drive the power component 52 to rotate. At this time, the central gear 53 rotates with the power component 52. The rotation of the central gear 53 can drive the planetary gear 54 to rotate on its own axis. At this time, the planetary gear 54 also revolves around the central gear 53, which can drive the planet carrier 55 to rotate, and then drive the input end 613 to rotate.

[0104] In some embodiments, one or more deceleration structures 50 may be provided according to the actual situation. For example, in this disclosure, three deceleration structures 50 are provided, and the three deceleration structures 50 are connected in series to increase the deceleration effect.

[0105] In some embodiments, the roller brush holder 21 is further provided with a mounting groove 24. The mounting groove 24 can be a groove structure directly opened on the end face of the roller brush holder 21, or the mounting groove 24 can be formed by multiple plate structures connected end to end. In this embodiment of the present disclosure, the mounting groove 24 is formed by multiple plate structures.

[0106] Both the clutch structure 60 and the deceleration structure 50 are located within the mounting groove 24. The fixing seat 51 and the gear ring 56 can be connected to the mounting groove 24 by means of snap-fit, fastening, or screw connection. The rotating shaft of the clutch structure 60 is rotatably connected to the plate structure forming the mounting groove 24, allowing the entire clutch structure 60 to rotate within the mounting groove 24. In addition, the end of the rope loop 83 near the output end 634 of the clutch structure 60 can be snapped onto the plate structure surrounding the mounting groove 24.

[0107] It should be noted that a protective cover 25 is also connected to the roller brush seat 21 at the position of the mounting groove 24. The protective cover 25 is connected to the roller brush seat 21 and can cover the opening of the mounting groove 24, covering the clutch structure 60 and the deceleration structure 50 inside the mounting groove 24.

[0108] In some embodiments, a connector 70 is further provided between the second driven gear 65 and the power member 52. The connector 70 includes a connector body 71, a connector shaft 72, and a connector groove 73. The connector shaft 72 protrudes from one end of the connector body 71, and the connector groove 73 is formed at the end of the connector body 71 facing away from the connector shaft 72. The end of the power member 52 facing away from the central gear 53 is provided with a groove structure. The shape and size of the connector shaft 72 are consistent with the shape and size of the groove structure, so that the connector shaft 72 can be inserted into and adapted to the groove structure. A protrusion is provided on the end face of the second driven gear 65 in the axial direction. The shape and size of the protrusion are consistent with the shape and size of the connector groove 73, so that the second driven gear 65 can be connected to the connector groove 73.

[0109] This disclosure also provides a cleaning device, including the floor brush described above.

[0110] In the description of this disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure.

[0111] In the description of this disclosure, it should be understood that the terms “comprising” and “having” as used in the embodiments of this disclosure, and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0112] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the connection within two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated.

[0113] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure, and are not intended to limit them. Although this disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this disclosure.

Claims

1. A floor brush, characterized in that, include: Mounting base; A roller brush assembly includes a rotatably mounted roller brush, the roller brush assembly being movably connected to the mounting base; The drive structure is connected to the roller brush assembly; The transmission structure includes a first transmission group and a second transmission group, wherein the first transmission group is tractively connected between the roller brush and the drive structure to drive the roller brush to rotate. as well as The clutch structure includes an input end and an output end. The input end is connected to the drive structure via a second transmission group. The second transmission group is adapted to transmit the driving force of the drive structure to the input end. In response to the driving force transmitted to the input end, the input end is adapted to cooperate with the output end to raise and lower the roller brush assembly relative to the mounting base.

2. The floor brush according to claim 1, characterized in that, The input terminal and the output terminal have a separated state and an engaged state. The drive structure drives the input terminal and the output terminal to separate and engage through the second transmission group. In response to the engagement of the input terminal and the output terminal, the drive structure is adapted to drive the output terminal to raise the roller brush assembly relative to the mounting base. In response to the separation of the input terminal and the output terminal, the roller brush assembly lowers relative to the mounting base.

3. The floor brush according to claim 2, characterized in that, The transmission structure further includes a main transmission gear, and the driving structure includes a driving member and a driving gear. The driving gear meshes with the main transmission gear, and the driving member is adapted to drive the main transmission gear to rotate through the driving gear. The main transmission gear is connected to the first transmission group and the second transmission group, and the first transmission group and the second transmission group are adapted to transmit the rotation of the main transmission gear.

4. The floor brush according to claim 3, characterized in that, In response to the drive unit outputting a reverse rotation, the second transmission group drives the input end and the output end to engage, thereby driving the roller brush assembly to rise relative to the mounting base. In response to the drive unit outputting a forward rotation, the first transmission group drives the roller brush to rotate, and the second transmission group drives the input end and the output end to disengage.

5. The floor brush according to claim 3, characterized in that, The main drive gear includes a first drive unit, the first drive group includes a first drive gear, and the roller brush is provided with a first driven gear, the first drive gear meshing with the first driven gear.

6. The floor brush according to claim 5, characterized in that, The roller brush assembly is provided with two roller brushes, each of which is provided with a first driven gear. The first transmission group also includes a second transmission gear. The first transmission gear and the second transmission gear mesh with each other, and the first transmission gear and the second transmission gear respectively mesh with the first driven gears on the two roller brushes.

7. The floor brush according to claim 3, characterized in that, The second transmission group includes a third transmission gear, the main transmission gear includes a second transmission part, the third transmission gear meshes with the second transmission part, the input end of the clutch structure is connected to a second driven gear, the second driven gear meshes with the third transmission gear, the main transmission gear drives the input end to rotate through the third transmission gear and the second driven gear, and the input end is adapted to drive the output end that is engaged with it to rotate.

8. The floor brush according to claim 7, characterized in that, It also includes a traction structure, which includes a traction rope connected between the roller brush assembly and the mounting base, with the portion of the traction rope located between the roller brush assembly and the mounting base fixedly connected to the output end.

9. The floor brush according to claim 8, characterized in that, The traction structure further includes a rope sleeve and a rope cap. The rope sleeve is fitted onto the traction rope, and the rope cap is connected to both ends of the traction rope. The two ends of the traction rope are spaced apart and connected to the mounting base through the rope caps. The rope sleeve is fixed to the roller brush assembly, and the output end is connected to the traction rope at the position between the rope sleeve and the rope cap.

10. The floor brush according to any one of claims 1-9, characterized in that, At least one speed reduction structure is provided between the second transmission group and the clutch structure. The speed reduction structure is drive-connected to the input end of the clutch structure and the second transmission group. The speed reduction structure is adapted to reduce the rotational speed transmitted from the second transmission group to the input end.

11. The floor brush according to claim 10, characterized in that, The reduction structure is a planetary gear set, including a power component, a central gear, planetary gears, a planetary carrier, and a gear ring. The power component is rotatably connected to the roller brush assembly, the gear ring is fixedly connected to the roller brush assembly, the central gear is fixedly connected to the power component, the planetary gears are rotatably connected to the planetary carrier, the planetary gears mesh with the gear ring and the central gear, and the planetary carrier is connected to the input end of the clutch structure.

12. The floor brush according to any one of claims 1-9, characterized in that, The mounting base has a movable position, the roller brush assembly is located within the movable position, the mounting base has a connector, the roller brush assembly includes a connecting structure, the connecting structure has a connecting hole, and the connector is inserted into the connecting hole.

13. A cleaning device, characterized in that, Including the floor brush as described in any one of claims 1-12.

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