Cleaning device and cleaning equipment

Abstract

The invention relates to a cleaning device and cleaning equipment. The cleaning device comprises a machine body, a cleaning assembly, a first driving assembly and a second driving assembly. The first driving assembly and the second driving assembly are connected to the machine body, the cleaning assembly comprises a first roller, the first roller is connected to the first driving assembly and the second driving assembly, the first driving assembly is used for driving the first roller to rotate around the axial direction of the first roller so as to clean a to-be-cleaned face, and the second driving assembly is used for driving the first roller to move in the axial direction. When some corners, edges and other places difficult to reach are needed, the second driving assembly drives the first roller to move in the axial direction, so that the first roller can stretch out relative to the machine body in the axial direction, the first roller can be closer to the corners and other areas for cleaning, and the cleaning effect of the cleaning device is improved.

Description

Technical Field

[0001] The present application relates to the field of cleaning technology, and in particular to cleaning devices and cleaning equipment. Background Art

[0002] With the advancement of technology and the improvement of people's living standards, sweeping robots have become an essential tool for household cleaning. However, most existing sweeping robots use a fixed or simple lifting drum structure, which has a simple structure and relatively single functions. They are not effective in cleaning some hard-to-reach places such as corners and edges. Over time, dust will accumulate in corners and other corners, greatly reducing the overall cleaning effect and seriously affecting the user experience. Summary of the invention

[0003] Based on this, it is necessary to provide a cleaning device to address the technical problem that most existing sweeping robots adopt a fixed or simply lifting drum structure, which has a simple structure and relatively single function, and has poor cleaning effect on some hard-to-reach places such as corners and edges, which greatly reduces the overall cleaning effect and seriously affects the user experience.

[0004] A cleaning device comprises a body, a cleaning component, a first drive component and a second drive component; the first drive component and the second drive component are connected to the body, the cleaning component comprises a first roller, the first roller is connected to the first drive component and the second drive component, the first drive component is used to drive the first roller to rotate around its own axis to clean the surface to be cleaned, and the second drive component is used to drive the first roller to move along the axis relative to the body.

[0005] In the above-mentioned cleaning device, the first roller is driven to rotate axially by the first driving component, so that the first roller cleans the surface to be cleaned. When some hard-to-reach places such as corners and edges are needed, the first roller is driven to move axially by the second driving component, so that the first roller can extend axially relative to the body, so that the first roller can be closer to corners and other areas for cleaning, thereby improving the cleaning effect of the cleaning device.

[0006] In some embodiments, the first drive assembly includes a first drive member and a first output shaft, the first drive member is connected to the body, the first output shaft is drivingly connected to the first drive member, one of the first output shaft and the first roller has a matching groove, the other of the first output shaft and the first roller is partially inserted into the matching groove and abuts against the groove side wall of the matching groove, and the first output shaft is configured to drive the first roller to rotate around the axial direction under the drive of the first drive member.

[0007] In some embodiments, the matching groove is located on the first roller, the outer contour of the first output shaft in the axial direction is circular, and the first output shaft is interference fit with a groove side wall of the matching groove.

[0008] In some embodiments, the first driving component also includes a first rotating gear, a second rotating gear and a first gear module, the first rotating gear is connected to the output end of the first driving member, the second rotating gear is coaxially connected to the first output shaft, and the first gear module is meshed with the first rotating gear and the second rotating gear to amplify the output torque of the second rotating gear.

[0009] In some embodiments, the first output shaft has a through hole, the axis of the through hole coincides with the axis of the first output shaft, the second drive assembly includes a second drive member and a transmission member, the transmission member is transmission-connected to the second drive member, and the transmission member passes through the through hole and is connected to the first roller, and the transmission member is configured to drive the first roller to move along the axial direction under the drive of the second drive member.

[0010] In some embodiments, the transmission member includes a second output shaft and an ejector block, the second output shaft is transmission-connected to the second driving member, the ejector block is sleeved on the second output shaft and threadedly connected to the second output shaft, and the ejector block is connected to the first roller, and the second output shaft is configured to rotate around the axial direction under the drive of the second driving member to drive the ejector block to move along the axial direction.

[0011] In some embodiments, an outer wall of the ejection block abuts against a hole wall of the through hole, and an outer contour of the ejection block in the axial direction is non-circular.

[0012] In some embodiments, the ejection block includes a sliding portion and an ejection portion, the sliding portion is sleeved on the second output shaft and threadedly connected to the second output shaft, the ejection portion is connected to the first roller, and the ejection portion has a mounting groove, the sliding portion is accommodated in the mounting groove, and the outer contour of the sliding portion is circular, and the sliding portion is interference fit with the groove side wall of the mounting groove.

[0013] In some embodiments, the through hole includes a mounting section and a mating section that are interconnected, the mounting section is located at one end close to the first roller, and the inner contour dimension of the mounting section in the axial direction is larger than the inner contour dimension of the mating section, so that a step wall is formed between the mounting section and the mating section, the ejector block is partially accommodated in the mounting section, and a side of the ejector block away from the first roller is used to abut against the step wall to limit the ejector block from moving toward a side close to the first output shaft.

[0014] In some embodiments, the second drive assembly further includes a first drive gear, a second drive gear and a second gear module, the first drive gear is connected to the output end of the second drive member, the second drive gear is coaxially connected to the transmission member, and the second gear module is meshed with the first drive gear and the second drive gear to amplify the output torque of the second drive gear.

[0015] In some embodiments, the cleaning assembly also includes a second roller, which is arranged opposite to the first roller along the radial direction of the first roller, and the second roller is connected to the first driving assembly, and the first driving assembly is used to drive the second roller to rotate around the axial direction to clean the surface to be cleaned.

[0016] In some embodiments, the cleaning assembly further comprises a telescopic bracket, the telescopic bracket is slidably connected to the body along the axial direction, and the telescopic bracket is rotationally connected to the first roller around the axial direction, and the telescopic bracket is used to support the first roller.

[0017] The present application also provides a cleaning device that can solve at least one of the above-mentioned technical problems.

[0018] A cleaning device comprises the above-mentioned cleaning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic cross-sectional view of a cleaning device provided in some embodiments of the present application;

[0020] Figure 2 A schematic diagram of the structure of a first roller in a retracted state in a cleaning device provided in some embodiments of the present application;

[0021] Figure 3 A schematic diagram of the structure of a cleaning device provided in some embodiments of the present application in which the first roller is in an extended state;

[0022] Figure 4 A schematic diagram of a partially exploded structure of a cleaning device provided in some embodiments of the present application;

[0023] Figure 5 A first cross-sectional schematic diagram of the cooperation between the first drive assembly and the second drive assembly in the cleaning device provided in some embodiments of the present application;

[0024] Figure 6 A second cross-sectional schematic diagram of the cooperation between the first drive assembly and the second drive assembly in the cleaning device provided in some embodiments of the present application;

[0025] Figure 7A schematic diagram of the structure of the cooperation between the transmission member and the first output shaft in the cleaning device provided in some embodiments of the present application;

[0026] Figure 8 A schematic diagram of a structure in which a transmission member and a first output shaft are partially exploded in a cleaning device provided in some embodiments of the present application;

[0027] Fig. 9 A schematic diagram of the structure of a first drive assembly and a second drive assembly in a cleaning device provided in some embodiments of the present application.

[0028] Figure Number:

[0029] 100, body; 200, cleaning assembly; 210, first roller; 211, matching groove; 220, telescopic bracket; 230, matching bracket; 300, first driving assembly; 310, first driving member; 320, first output shaft; 321, through hole; 322, mounting section; 323, matching section; 324, step wall; 330, second rotating gear; 340, first rotating gear; 350, first gear module; 351, first matching gear; 352, second matching gear; 353, third matching gear; 360, Boss; 370, bearing; 400, second drive assembly; 410, second drive member; 420, transmission member; 421, second output shaft; 422, ejector block; 423, slider portion; 424, ejector portion; 425, mounting groove; 426, worm; 427, sliding sleeve; 430, second drive gear; 440, first drive gear; 450, second gear module; 451, first auxiliary gear; 452, second auxiliary gear; 453, third auxiliary gear; 460, first transfer gear; 470, third output shaft. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0035] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0036] See also Figure 1 , Figure 2 and Figure 3 , Figure 1 A schematic cross-sectional view of a cleaning device provided in some embodiments of the present application; Figure 2 A schematic diagram of the structure of a first roller in a retracted state in a cleaning device provided in some embodiments of the present application; Figure 3 A schematic diagram of the structure of the first roller in the extended state in the cleaning device provided in some embodiments of the present application. The cleaning device provided in some embodiments of the present application includes a body 100, a cleaning assembly 200, a first drive assembly 300 and a second drive assembly 400; the first drive assembly 300 and the second drive assembly 400 are connected to the body 100, the cleaning assembly 200 includes a first roller 210, the first roller 210 is connected to the first drive assembly 300 and the second drive assembly 400, the first drive assembly 300 is used to drive the first roller 210 to rotate around its own axis to clean the surface to be cleaned, and the second drive assembly 400 is used to drive the first roller 210 to move along the axial direction.

[0037] Specifically, in the present application, the first driving component 300 is used to drive the first roller 210 to rotate axially, so that the first roller 210 cleans the surface to be cleaned. When some hard-to-reach places such as corners and edges are needed, the first roller 210 is driven to move axially by the second driving component 400, so that the first roller 210 can be extended axially relative to the body 100, so that the first roller 210 can be closer to corners and other areas for cleaning, thereby improving the cleaning effect of the cleaning device.

[0038] See also Figure 1 , Figure 4 , Figure 5 and Figure 6 , Figure 4 A schematic diagram of a partially exploded structure of a cleaning device provided in some embodiments of the present application; Figure 5 A first cross-sectional schematic diagram of the cooperation between the first drive assembly and the second drive assembly in the cleaning device provided in some embodiments of the present application; Figure 6A second cross-sectional schematic diagram of the cooperation between the first drive assembly and the second drive assembly in the cleaning device provided for some embodiments of the present application. In some of the embodiments, the first drive assembly 300 includes a first drive member 310 and a first output shaft 320, the first drive member 310 is connected to the body 100, the first output shaft 320 is in transmission connection with the first drive member 310, one of the first output shaft 320 and the first roller 210 has a matching groove 211, the other of the first output shaft 320 and the first roller 210 is partially inserted in the matching groove 211 and abuts against the groove side wall of the matching groove 211, and the first output shaft 320 is configured to drive the first roller 210 to rotate around the axial direction under the drive of the first drive member 310.

[0039] Specifically, one of the first output shaft 320 and the first roller 210 has a matching groove 211, and the other of the first output shaft 320 and the first roller 210 is partially inserted into the matching groove 211 and abuts against the groove side wall of the matching groove 211, so that the first driving member 310 can drive the first roller 210 to rotate around the axial direction during the process of driving the first output shaft 320 to rotate around the axial direction, thereby cleaning the surface to be cleaned. Preferably, the first driving member 310 is a motor.

[0040] See also Figure 4 , Figure 5 , Figure 6 and Figure 7 , Figure 7 A schematic diagram of the structure of the transmission member and the first output shaft in the cleaning device provided in some embodiments of the present application. In some embodiments, the matching groove 211 is located on the first roller 210, the outer contour of the first output shaft 320 in the axial direction is circular, and the first output shaft 320 and the groove side wall of the matching groove 211 are interference fit.

[0041] Specifically, the inner contour of the matching groove 211 is adapted to the shape of the outer wall of the first output shaft 320, and the first output shaft 320 is interference-fitted with the groove side wall of the matching groove 211, so that the first driving member 310 can drive the first roller 210 to rotate around the axial direction when driving the first output shaft 320 to rotate around the axial direction, and when the friction between the first roller 210 and the surface to be cleaned is too large, the first output shaft 320 can slip relative to the groove side wall of the matching groove 211, thereby avoiding damage to the motor due to excessive load. Among them, the matching groove 211 is arranged at the end of the first roller 210, so that the outer peripheral surface of the first roller 210 in the axial direction is located outside the first output shaft 320, thereby increasing the contact area between the first roller 210 and the surface to be cleaned, and improving the cleaning efficiency of the cleaning device.

[0042] In other embodiments, the outer contour of the first output shaft 320 in the axial direction is non-circular, that is, a special-shaped structure, such as a square, etc., so that the first output shaft 320 can be driven to move synchronously under the drive of the first driving member 310.

[0043] See also Figure 1 , Figure 4 , Figure 5 and Figure 6 In some embodiments, the first output shaft 320 has a through hole 321, the axis of the through hole 321 coincides with the axis of the first output shaft 320, the second drive assembly 400 includes a second drive member 410 and a transmission member 420, the transmission member 420 is transmission-connected to the second drive member 410, and the transmission member 420 passes through the through hole 321 and is connected to the first roller 210, and the transmission member 420 is configured to drive the first roller 210 to move axially under the drive of the second drive member 410.

[0044] Specifically, since the axis of the through hole 321 coincides with the axis of the first roller 210, when the second driving member 410 drives the transmission member 420 to move axially in the through hole 321, it will not interfere with the rotation of the first output shaft 320, so that when the first roller 210 moves axially, the first output shaft 320 can simultaneously drive the first roller 210 to rotate, thereby ensuring the efficiency of the cleaning device. Among them, the second driving member 410 can be installed on the body 100, or on the first output shaft 320, and it only needs to be able to drive the first roller 210 to move axially. It should be noted that the transmission member 420 and the first roller 210 can be directly connected or rotationally connected.

[0045] See also Figure 1 , Figure 4 , Figure 5 and Figure 6 In some embodiments, the transmission member 420 includes a second output shaft 421 and an ejector block 422. The second output shaft 421 is transmission-connected to the second driving member 410. The ejector block 422 is sleeved on the second output shaft 421 and threadedly connected to the second output shaft 421. The ejector block 422 is connected to the first roller 210. The second output shaft 421 is configured to rotate axially under the drive of the second driving member 410 to drive the ejector block 422 to move axially.

[0046] Specifically, the second driving member 410 can be installed on the body 100. Through the setting of the threaded connection between the ejector block 422 and the second output shaft 421, the second driving member 410 can stably drive the ejector block 422 to move through thread transmission during the process of driving the second output shaft 421 to rotate, thereby stably driving the first roller to move axially, reducing the shaking of the first roller 210 and ensuring the cleaning effect of the cleaning device.

[0047] See also Figure 1 , Figure 4 , Figure 5 and Figure 6 In some embodiments, the outer wall of the ejector block 422 abuts against the hole wall of the through hole 321, and the outer contour of the ejector block 422 in the axial direction is non-circular, so that the relative rotation between the ejector block 422 and the first output shaft 320 is restricted, so that the ejector block 422 can rotate synchronously with the first output shaft 320 under the drive of the second driving member 410 to apply torque to the first roller 210, thereby increasing the rotational power of the first roller 210, so as to facilitate cleaning of stubborn stains and improve the cleaning effect of the cleaning device.

[0048] Among them, when the rotation direction and rotation speed of the second output shaft 421 are the same as the rotation direction and rotation speed of the first output shaft 320, the ejector block 422 and the first output shaft 320 simultaneously apply a force to the first roller 210 to drive the first roller 210 to apply an axial rotation; when the rotation speed of the second output shaft 421 is different from the rotation speed of the first output shaft 320, the second output shaft 421 rotates relative to the first output shaft 320. Since the rotation of the ejector block 422 is limited by the first output shaft 320, under the threaded transmission, the ejector block 422 can move axially relative to the second output shaft 421 to drive the first roller 210 to extend or retract axially.

[0049] See also Figure 5 , Figure 6 , Figure 7 and Figure 8 , Figure 8 A schematic diagram of the structure of the transmission member and the first output shaft in the cleaning device provided in some embodiments of the present application. In some embodiments, the ejector block 422 includes a slider portion 423 and an ejector portion 424, the slider portion 423 is sleeved on the second output shaft 421 and threadedly connected to the second output shaft 421, the ejector portion 424 is connected to the first roller 210, and the ejector portion 424 has a mounting groove 425, the slider portion 423 accommodates the mounting groove 425, and the outer contour of the slider portion 423 is circular, and the slider portion 423 and the groove side wall of the mounting groove 425 are interference fit.

[0050] Specifically, when the second output shaft 421 drives the ejection block 422 to move to the extreme position, the movement of the ejection block 422 is restricted. The outer contour of the slider portion 423 is circular, and the slider portion 423 has an interference fit with the groove side wall of the mounting groove 425, so that the slider portion 423 can slide relative to the groove side wall of the mounting groove 425, thereby moving synchronously with the second output shaft 421 to avoid damage to the second driving member 410.

[0051] See also Figure 5 , Figure 6 , Figure 7and Figure 8 In some embodiments, the slider portion 423 includes a worm 426 and a sliding sleeve 427. The worm 426 is threadedly connected to the second output shaft 421. The sliding sleeve 427 is sleeved on the worm 426 and connected to the worm 426. The sliding sleeve 427 is interference fit with the groove side wall of the installation groove 425. By setting the sliding sleeve 427, the volume of the slider portion 423 can be reduced, thereby achieving a lightweight structure. Preferably, the number of the sliding sleeves 427 is two, and the two sliding sleeves 427 are sleeved on both ends of the worm 426 respectively.

[0052] See also Figure 5 , Figure 6 , Figure 7 and Figure 8 In some embodiments, the through hole 321 includes a mounting section 322 and a matching section 323 that are connected to each other. The mounting section 322 is located at one end close to the first roller 210, and the inner contour dimension of the mounting section 322 in the axial direction is larger than the inner contour dimension of the matching section 323, so that a step wall 324 is formed between the mounting section 322 and the matching section 323. The ejector block 422 is partially accommodated in the mounting section 322, and the side of the ejector block 422 away from the first roller 210 is used to abut against the step wall 324 to limit the ejector block 422 from moving toward the side close to the first output shaft 320.

[0053] Specifically, the step wall 324 can be arranged to abut against the side of the ejection block 422 away from the first roller 210, so as to limit the ejection block 422 from moving toward the side close to the first output shaft 320, thereby playing a role of limiting. The inner contour size of the installation section 322 in the axial direction is larger than the inner contour size of the matching section 323, so that the size of the ejection block 422 and the first output shaft 320 is adapted to the size of the first roller 210, so as to stably drive the first roller 210 to rotate.

[0054] Furthermore, the first output shaft 320 has a boss 360 , the mounting section 322 is disposed on the boss 360 , and the side of the boss 360 close to the matching section 323 abuts against the body 100 to limit the first output shaft 320 and improve the installation stability of the first output shaft 320 .

[0055] Furthermore, the cleaning device further includes a bearing 370. The body 100 has a mounting hole, and the first output shaft 320 is passed through the mounting hole and abuts against the hole wall of the mounting hole through the bearing 370, thereby stably supporting the first output shaft 320 and reducing interference with the rotation of the first output shaft 320. Preferably, two bearings 370 are sleeved on the first output shaft 320.

[0056] See also Figure 1 , Figure 5 , Figure 6 and Fig. 9, Fig. 9 A schematic diagram of the structure of the first drive assembly and the second drive assembly in the cleaning device provided in some embodiments of the present application. In some of the embodiments, the first drive assembly 300 further includes a first rotating gear 340, a second rotating gear 330 and a first gear module 350, the first rotating gear 340 is connected to the output end of the first driving member 310, the second rotating gear 330 is coaxially connected to the first output shaft 320, and the first gear module 350 is meshed with the first rotating gear 340 and the second rotating gear 330 to amplify the output torque of the second rotating gear 330.

[0057] Specifically, through the reasonable setting of the first gear module 350, the torque output by the second rotating gear 330 can be reasonably amplified, and through the transmission of the second rotating gear 330, the first output shaft 320 can stably drive the first roller 210 to rotate, thereby improving the reliability of the cleaning equipment.

[0058] Furthermore, the first gear module 350 includes a first matching gear 351, a second matching gear 352 and a third matching gear 353. The first matching gear 351 is meshed with the first rotating gear 340, and the radius of the first matching gear 351 is larger than that of the first rotating gear 340. The second matching gear 352 is coaxial with the first matching gear 351, and the radius of the second matching gear 352 is smaller than that of the first matching gear 351. The third matching gear 353 is meshed with the second matching gear 352 and with the second rotating gear 330, and the radius of the third matching gear 353 is larger than that of the second matching gear 352.

[0059] Specifically, the first mating gear 351 is meshed with the first rotating gear 340, and the radius of the first mating gear 351 is larger than that of the first rotating gear 340, so that the output torque can be amplified through the first mating gear 351, and the second mating gear 352 is coaxial with the first mating gear 351, and the radius of the second mating gear 352 is smaller than that of the first mating gear 351, so as to amplify the output torque, and then the third mating gear 353 is meshed with the second mating gear 352, and meshed with the second rotating gear 330, and the radius of the third mating gear 353 is larger than that of the second mating gear 352, so as to further amplify the output torque of the second rotating gear 330, so that the first output shaft 320 can output a preset torque to improve the reliability of the cleaning equipment.

[0060] The third mating gear 353 and the second mating gear 352 may be directly meshed or indirectly meshed, as long as they can increase the torque and facilitate the arrangement.

[0061] See also Figure 1 , Figure 5 , Figure 6 and Fig. 9In some embodiments, the second drive assembly 400 also includes a first drive gear 440, a second drive gear 430 and a second gear module 450. The first drive gear 440 is connected to the output end of the second drive member 410, the second drive gear 430 is coaxially connected to the transmission member 420, and the second gear module 450 is meshed with the first drive gear 440 and the second drive gear 430 to amplify the output torque of the second drive gear 430.

[0062] Specifically, through the reasonable setting of the second gear module 450, the torque output by the second driving gear 430 can be reasonably amplified, and through the transmission of the second driving gear 430, the transmission member 420 can stably drive the first roller 210 to rotate, thereby improving the reliability of the cleaning equipment.

[0063] Furthermore, the second gear module 450 includes a first auxiliary gear 451, a second auxiliary gear 452 and a third auxiliary gear 453. The first auxiliary gear 451 is meshed with the first driving gear 440, and the radius of the first auxiliary gear 451 is greater than the radius of the first driving gear 440. The second auxiliary gear 452 is coaxial with the first auxiliary gear 451, and the radius of the second auxiliary gear 452 is smaller than the radius of the first auxiliary gear 451. The third auxiliary gear 453 is meshed with the second auxiliary gear 452 and with the second driving gear 430, and the radius of the third auxiliary gear 453 is greater than the radius of the second auxiliary gear 452.

[0064] Specifically, the first auxiliary gear 451 is meshed with the first driving gear 440, and the radius of the first auxiliary gear 451 is larger than that of the first driving gear 440, so that the output torque can be amplified through the first auxiliary gear 451, and the second auxiliary gear 452 is coaxial with the first auxiliary gear 451, and the radius of the second auxiliary gear 452 is smaller than that of the first auxiliary gear 451, so as to amplify the output torque, and then the third auxiliary gear 453 is meshed with the second auxiliary gear 452, and meshed with the second driving gear 430, and the radius of the third auxiliary gear 453 is larger than that of the second auxiliary gear 452, so as to further amplify the output torque of the second driving gear 430, so that the transmission member 420 can output a preset torque to improve the reliability of the cleaning equipment.

[0065] The third auxiliary gear 453 and the second auxiliary gear 452 may be directly meshed or spaced meshed, as long as they can increase the torque and facilitate arrangement.

[0066] See also Figure 1 , Figure 2 , Figure 3 and Figure 4In some embodiments, the cleaning assembly 200 also includes a second roller, which is arranged opposite to the first roller 210 along the radial direction of the first roller 210, and the second roller is connected to the first driving assembly 300, and the first driving assembly 300 is used to drive the second roller to rotate axially to clean the surface to be cleaned.

[0067] Specifically, by disposing the first roller 210 and the second roller, the contact area with the ground to be cleaned can be increased, thereby improving the cleaning efficiency of the cleaning device when the first driving assembly 300 drives the first roller 210 and the second roller to rotate axially.

[0068] Furthermore, the first drive assembly 300 also includes a first transfer gear 460 and a third output shaft 470, the third output shaft 470 is transmission-connected to the second roller, the first transfer gear 460 is coaxially connected to the third output shaft 470, and the first transfer gear 460 is meshed with the first gear module 350, so that the rotation direction of the second roller is opposite to the rotation direction of the first roller 210, thereby more evenly distributing the cleaning force, increasing the cleaning coverage, and improving the cleaning efficiency.

[0069] Furthermore, the cleaning assembly 200 further includes a matching bracket 230, which is connected to the body 100 and is rotatably connected to the second roller around the axial direction to support the second roller.

[0070] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 In some embodiments, the cleaning assembly 200 further includes a telescopic bracket 220 , which is axially slidably connected to the body 100 and axially rotatably connected to the first roller 210 , and is used to support the first roller 210 .

[0071] The embodiment of the present application also provides a cleaning device, including the above-mentioned cleaning device. In the present application, the first roller 210 is driven to rotate around the axial direction by the first driving component 300, so that the first roller 210 cleans the surface to be cleaned. When some hard-to-reach places such as corners and edges are needed, the first roller 210 is driven to move along the axial direction by the second driving member 410, so that the first roller 210 can extend relative to the body 100 along the axial direction, so that the first roller 210 can be closer to the corners and other areas for cleaning, thereby improving the cleaning effect of the cleaning device.

[0072] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0073] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A cleaning device, characterized in that: The cleaning device includes a body, a cleaning component, a first drive component and a second drive component; the first drive component and the second drive component are connected to the body, the cleaning component includes a first roller, the first roller is connected to the first drive component and the second drive component, the first drive component is used to drive the first roller to rotate around its own axis to clean the surface to be cleaned, and the second drive component is used to drive the first roller to move along the axis relative to the body.

2. The cleaning device according to claim 1, characterized in that The first driving assembly includes a first driving member and a first output shaft, the first driving member is connected to the machine body, the first output shaft is drivingly connected to the first driving member, one of the first output shaft and the first roller has a matching groove, the other of the first output shaft and the first roller is partially inserted into the matching groove and abuts against the groove side wall of the matching groove, and the first output shaft is configured to drive the first roller to rotate around the axial direction under the drive of the first driving member.

3. The cleaning device according to claim 2, characterized in that: The matching groove is located on the first roller, the outer contour of the first output shaft in the axial direction is circular, and the first output shaft is interference-fitted with a groove side wall of the matching groove.

4. The cleaning device according to claim 2, characterized in that: The first driving component also includes a first rotating gear, a second rotating gear and a first gear module. The first rotating gear is connected to the output end of the first driving member, the second rotating gear is coaxially connected to the first output shaft, and the first gear module is meshed with the first rotating gear and the second rotating gear to amplify the output torque of the second rotating gear.

5. The cleaning device according to claim 2, characterized in that: The first output shaft has a through hole, the axis of the through hole coincides with the axis of the first output shaft, the second drive assembly includes a second drive member and a transmission member, the transmission member is transmission-connected to the second drive member, and the transmission member passes through the through hole and is connected to the first roller, and the transmission member is configured to drive the first roller to move along the axial direction under the drive of the second drive member.

6. The cleaning device according to claim 5, characterized in that: The transmission member includes a second output shaft and an ejector block, the second output shaft is transmission-connected to the second driving member, the ejector block is sleeved on the second output shaft and threadedly connected to the second output shaft, and the ejector block is connected to the first roller, and the second output shaft is configured to rotate around the axial direction under the drive of the second driving member to drive the ejector block to move along the axial direction.

7. The cleaning device according to claim 6, characterized in that: The outer wall of the ejection block abuts against the hole wall of the through hole, and the outer contour of the ejection block in the axial direction is non-circular.

8. The cleaning device according to claim 6, characterized in that The ejection block includes a sliding portion and an ejection portion, the sliding portion is sleeved on the second output shaft and threadedly connected to the second output shaft, the ejection portion is connected to the first roller, and the ejection portion has a mounting groove, the sliding portion is accommodated in the mounting groove, and the outer contour of the sliding portion is circular, and the sliding portion is interference fit with the groove side wall of the mounting groove.

9. The cleaning device according to claim 6, characterized in that: The through hole includes a mounting section and a matching section that are connected to each other, the mounting section is located at one end close to the first roller, and the inner contour dimension of the mounting section in the axial direction is larger than the inner contour dimension of the matching section, so that a step wall is formed between the mounting section and the matching section, the ejector block is partially accommodated in the mounting section, and a side of the ejector block away from the first roller is used to abut against the step wall to limit the ejector block from moving toward a side close to the first output shaft.

10. The cleaning device according to claim 5, characterized in that: The second drive assembly also includes a first drive gear, a second drive gear and a second gear module. The first drive gear is connected to the output end of the second drive member, the second drive gear is coaxially connected to the transmission member, and the second gear module is meshed with the first drive gear and the second drive gear to amplify the output torque of the second drive gear.

11. The cleaning device according to any one of claims 1 to 10, characterized in that: The cleaning assembly also includes a second roller, which is arranged opposite to the first roller in a radial direction of the first roller, and is connected to the first driving assembly, and the first driving assembly is used to drive the second roller to rotate around the axial direction to clean the surface to be cleaned.

12. The cleaning device according to any one of claims 1 to 10, characterized in that: The cleaning assembly further comprises a telescopic bracket, which is slidably connected to the body along the axial direction and rotatably connected to the first roller around the axial direction, and is used to support the first roller.

13. A cleaning device, characterized in that: The cleaning device comprises the cleaning device according to any one of claims 1 to 12.

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