Driving mechanism and cleaning robot

Abstract

Disclosed in the present disclosure are a driving mechanism and a cleaning robot. The driving mechanism comprises: a main support body; a lifting member, the lifting member being configured to connect to a cleaning member; a driving assembly, the driving assembly being connected to both the main support body and the lifting member, and the driving assembly being used for driving the lifting member to move up and down relative to the main support body; and a contamination prevention member, the contamination prevention member being used for interacting with debris attached to the lifting member, so as to at least prevent the debris from entering the interior of the main support body.

Description

A drive mechanism and a cleaning robot Cross-references to related applications

[0001] This application claims priority to application number 2024230552062, filed on December 11, 2024, entitled "A Driving Mechanism and Cleaning Robot", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This disclosure relates to the field of smart home technology, and in particular to a drive mechanism and a cleaning robot. Background Technology

[0003] With the ever-accelerating pace of life, cleaning robots are being used more and more frequently in daily household cleaning, bringing numerous conveniences to the task. Cleaning robots achieve floor cleaning by rotating their cleaning components and moving the robot as a whole, thus moving the mop relative to the floor. Summary of the Invention

[0004] In view of this, in order to solve at least one of the above-mentioned technical problems, this disclosure provides a drive mechanism and a cleaning robot.

[0005] On one hand, this disclosure provides a drive mechanism for a cleaning robot, the drive mechanism comprising:

[0006] Main support structure;

[0007] Lifting component, used to connect to cleaning component, which is used to clean the surface to be cleaned;

[0008] A drive assembly, which is at least connected to the lifting component, is used to drive the lifting component to move up and down relative to the main support body.

[0009] Anti-pollution components are used to interact with debris attached to the lifting components to at least prevent debris from entering the interior of the main support.

[0010] On the other hand, this disclosure provides a cleaning robot, including the drive mechanism of any of the foregoing, and a robot body, wherein the drive mechanism is disposed on the robot body. Attached Figure Description

[0011] Figure 1 is a cross-sectional view of a drive mechanism provided in an embodiment of this disclosure when the lifting component is in the first displacement.

[0012] Figure 2 is a cross-sectional view of a drive mechanism provided in an embodiment of the present disclosure when the lifting member is in the second position;

[0013] Figure 3 is a cross-sectional view of the main support body and cleaning component in a drive mechanism according to an embodiment of this disclosure;

[0014] Figure 4 is a cross-sectional structural schematic diagram of the main support body in a drive mechanism provided in an embodiment of this disclosure;

[0015] Figure 5 is a cross-sectional view of another driving mechanism provided in this embodiment of the present disclosure when the lifting member is in the first displacement.

[0016] Figure 6 is a cross-sectional view of another driving mechanism provided in an embodiment of this disclosure when the lifting member is in the second position.

[0017] Figure 7 is a cross-sectional view of the main support body in another driving mechanism provided in an embodiment of this disclosure. Detailed Implementation

[0018] To further illustrate the technical means and effects adopted by this disclosure in order to achieve the intended disclosure purpose, the following detailed description of the specific implementation, structure, features and effects of a drive mechanism proposed according to this disclosure is provided in conjunction with the accompanying drawings and preferred embodiments.

[0019] The raising and lowering of the mop is achieved through a lifting system, which typically includes a lifting part that connects to the mop and a drive part that drives the lifting part to rise and fall relative to the support structure of the cleaning robot. The lifting part lowers the mop until it contacts the ground for cleaning. During the cleaning process, debris easily adheres to and becomes entangled on the lifting part. When the lifting part raises the mop, the debris on the lifting part will be carried into the support structure of the cleaning robot, causing contamination of internal transmission mechanisms and other components. The accumulation of debris can also prevent the lifting part from descending to the accurate position, affecting the cleaning effect.

[0020] This disclosure provides a drive mechanism for a cleaning robot, also known as a sweeping robot, intelligent cleaner, or automatic floor scrubber, which has functions such as movement, sweeping, and vacuuming. Some cleaning robots also include mopping, terrain detection, and indoor area scanning functions. Cleaning robots can come in various shapes; to ensure stability and applicability to various scenarios, their outer contours are typically flat. The outer shell of the cleaning robot mainly includes a chassis and an outer cover connected to the chassis and forming a cavity. The cavity can house various components for the cleaning robot's operation, such as a controller, power supply, position sensing components such as cameras, scanners, and gyroscopes, a sweeping mechanism, and a walking mechanism. The controller can be used to control the sweeping system, the walking mechanism, and the drive mechanism of this application.

[0021] The cleaning system may include dry cleaning components and wet cleaning components. The dry cleaning component mainly includes a roller brush drive, a roller brush, a dust box, and a fan. The roller brush is driven to rotate by the roller brush drive. The machine body has a suction port located behind the roller brush, and the dust box is located between the fan and the suction port. During rotation, the roller brush sweeps up debris from the floor and carries it below the suction port. The debris is then sucked into the dust box by air drawn back by the fan, thus collecting the debris. The wet cleaning component may include one or more drive mechanisms and cleaning components, with a corresponding cleaning component connected to each drive mechanism. The cleaning component can be various parts used to clean surfaces, such as a floor or a mop. The mop can be used for dry mopping. In some embodiments, the wet cleaning component also includes a water tank to add water to the mop for wet mopping. Because mops have a large surface area and a soft, absorbent surface such as felt or looped wool, there is significant friction between the mop and floor coverings like carpets. Furthermore, mops retain stains after cleaning, especially after wet mopping, leaving dirty water on the mop. To prevent friction between the mop and floor coverings from affecting the cleaning robot's movement and to avoid repeated contamination of the floor by a dirty mop, the drive mechanism needs to have the function of raising and lowering the mop. The drive mechanism can also be used to rotate the mop, thereby increasing the relative movement between the mop and the floor for a more thorough cleaning.

[0022] Specifically, as shown in Figures 1, 2, 5, and 6, the drive mechanism includes:

[0023] Main support 100;

[0024] Lifting component 200 is used to connect cleaning components such as mops or cleaning brushes;

[0025] The drive assembly 300 is at least connected to the lifting component 200 and is used to drive the lifting component 200 to move up and down relative to the main support body 100.

[0026] Anti-pollution component 400 is used to interact with debris attached to the lifting component 200 to at least prevent debris from entering the interior of the main support 100.

[0027] The main support 100 can be a separate support component for the drive mechanism, installed and fixed to the outer shell of the cleaning robot; alternatively, the main support 100 can be part of the outer shell of the cleaning robot, achieving a tighter and more stable structural connection. The main support 100 can have various shapes, such as being designed according to the structure of the drive assembly 300. The drive assembly 300 can be connected to the main support 100. The main support 100 is designed to support the drive assembly 300 and cooperate with the drive assembly 300 to achieve the lifting and lowering of the lifting component 200.

[0028] The lifting component 200 can have various structures, designed to cooperate with the drive assembly 300 and connect and fix the mop. The lifting component 200 can connect to the mop in any of the following ways: hooking, plugging, magnetic connection, screwing, or clamping. In a more specific embodiment, the lifting component 200 includes a mounting port and a plugging cavity communicating with the mounting port. The mop includes a mounting rod and a mop body. One end of the mounting rod is connected to the mop body, and the other end of the mounting rod is provided with a magnetic component. The magnetic component is disposed in the plugging cavity. The mounting rod is inserted into the plugging cavity through the mounting port, and the magnetic component attracts and fixes the mop, thereby achieving the installation and fixation of the mop.

[0029] The drive assembly 300 is used to drive the lifting member 200 to move up and down in the vertical direction, or in terms of the axis of the lifting member 200, and to rotate around the axis. The drive assembly 300 can have various structures, such as including a lifting drive and a rotation drive. The lifting drive is connected to the rotation drive, and the rotation drive is connected to the lifting member 200. The lifting drive is used to drive the rotation drive and the lifting member 200 to move up and down as a whole, while the rotation drive is used to drive the lifting member 200 to rotate. Alternatively, the drive assembly 300 can achieve the lifting and rotation of the lifting member 200 using only a single power component through its internal structure, as illustrated below.

[0030] The anti-fouling component 400 can apply external force to the debris attached to the lifting component 200 in various ways, such as by scraping or blowing. It can be contact or non-contact. Non-contact refers to a solid anti-fouling component 400 having a small gap with the lifting component 200, allowing it to interact with the debris without affecting the lifting and rotation of the lifting component 200. Alternatively, non-contact can refer to blowing through airflow, such as the anti-fouling component 400 providing high-pressure airflow to the lifting component 200 to push the debris off. The anti-fouling component 400 can be of various types, designed to agitate the debris on the lifting component 200 for cleaning. More specific embodiments will be described below. The debris can be solid matter such as dust, particles, adsorbents, and hair, or fluids such as splashed water droplets or oil droplets. The anti-fouling component 400 may only have the function of removing debris, or it may also have the function of absorbing debris, such as absorbing oil stains. The anti-pollution component 400 can be fixed, while the lifting component 200 moves relative to each other during the lifting process, thereby cleaning up the debris.

[0031] Furthermore, it is worth noting that the anti-pollution component 400 also serves to block debris. Even when the anti-pollution component 400 and the lifting component 200 do not move relative to each other, the anti-pollution component 400 can still seal the gap between the lifting component 200 and the main support 100, preventing debris from splashing into the main support 100.

[0032] The drive mechanism and cleaning robot disclosed in this embodiment use a drive component to raise and lower a lifting member relative to the main support body, which in turn raises and lowers the mop relative to the surface to be cleaned, enabling the use and storage of the mop. During the mop cleaning process, any debris adhering to or entangled on the lifting member is removed by the lifting member relative to the anti-fouling component as the lifting member raises the mop. Under the external force applied by the anti-fouling component, the debris is moved or detached from the lifting member, thus cleaning its surface at least during the raising process. This prevents the lifting member from carrying debris into the main support body, avoiding contamination of components such as the drive component within the main support body, thereby ensuring the performance of the drive mechanism and the effective cleaning of the cleaning robot. Simultaneously, the anti-fouling component effectively seals the gap between the lifting member and the main support body, preventing debris from splashing into the main support body during cleaning.

[0033] For ease of explanation, the following example illustrates the structure of a specific drive component 300, lifting component 200, and main support 100. It is understood that in other embodiments, all or part of the features of the anti-pollution component 400 in the following embodiments are also applicable. The following embodiments can appear individually or in combination with each other.

[0034] Taking Figure 2 as an example, the drive assembly 300 includes a transmission component 310 and a power component 320. One of the transmission component 310 and the lifting component 200 is provided with a thread 211, and the other is provided with a clamp 313. The clamp 313 is inserted into the thread 211 to connect the transmission component 310 and the lifting component 200 threadedly. Both ends of the thread 211 in the extension direction are provided with actuating blocks. There is friction between the transmission component 310 and the main support body 100. The drive assembly 300 also includes a pressing component 330, which is connected to the main support body 100. The transmission component 310 includes a flange 311. The pressing component 330 slides and presses the flange 311 from both sides in the vertical direction, thereby providing friction to the transmission component 310. During use, the power component 320 drives the lifting component 200 to rotate, causing the lifting component 200 to rotate relative to the transmission component 310. This, through a threaded connection, pushes the lifting component 200 up and down along its axial direction, thus raising and lowering the mop. When the lifting component 200 descends to its limit position, the locking head 313 interacts with the action block at the bottom end of the thread 211, causing the transmission component 310 to overcome friction and rotate synchronously with the lifting component 200, allowing the mop to rotate and clean the surface to be cleaned. When the lifting component 200 rises to its limit position, the locking head 313 interacts with the action block at the top end of the thread 211, causing the transmission component 310 to overcome friction and rotate synchronously with the lifting component 200. This prevents overload and protects the power component 320 and the transmission components from damage.

[0035] The threaded connection between the transmission component 310 and the lifting component 200 can be implemented in various ways. For example, in one embodiment, the lifting component 200 includes a first sleeve 210 and a second sleeve 220. The second sleeve 220 is fitted around the outer periphery of the first sleeve 210, with a gap between them. The first sleeve 210 is connected to a mop, and the first sleeve 210 and the second sleeve 220 are connected to each other at the end closest to the mop. The transmission component 310 includes a third sleeve 312, with the aforementioned flange 311 surrounding the outer periphery of the third sleeve 312. The outer circumferential surface of the first sleeve 210 is provided with threads 211 and an actuating block, and the inner surface of the third sleeve 312 is provided with a chuck 313. The third sleeve 312 is fitted onto the outer circumference of the first sleeve 210 and is located between the first sleeve 210 and the second sleeve 220. This protects the threaded connection between the third sleeve 312 and the first sleeve 210, preventing debris from affecting the smooth movement of the threads 211 and the chuck 313. The main support body 100 includes an opening 101 and a storage space 102, which communicates with the opening 101. The lifting member 200 is at least partially located in the storage space 102 and extends out of the storage space 102 through the opening 101 to move up and down relative to the main support body 100. The second sleeve 220 is the outermost sleeve, and there is a gap between the edge of the opening 101 and the second sleeve 220, which avoids excessive friction between the second sleeve 220 and the main support body 100, thus preventing difficulty in relative movement. After the lifting component 200 descends, most of the outer peripheral surface area of ​​the second sleeve 220 will be outside the storage space 102. Debris that easily adheres to the outer peripheral surface of the second sleeve 220 will be pushed off the outer peripheral surface of the second sleeve 220 by the anti-contamination component 400 when the lifting component 200 rises and enters the storage space 102. This prevents debris from being brought into the storage space 102 through the opening 101, avoids debris affecting the performance of components such as the aforementioned extrusion component 330, and prevents debris from accumulating on the inner wall of the storage space 102, thus preventing the lifting component 200 from failing to reach its designated position.

[0036] The following are some specific embodiments of the anti-pollution component 400. It should be understood that the anti-pollution component 400 is not limited to the following embodiments:

[0037] The positional relationship between the anti-pollution component 400 and the lifting component 200 can be varied, such as:

[0038] In some embodiments, the anti-pollution component 400 slides against the lifting component 200. For example, the anti-pollution component 400 slides against the outer peripheral surface of the second sleeve 220. The anti-pollution component 400 includes a flexible component, employing a flexible contact method to prevent the anti-pollution component 400 from affecting the movement of the lifting component 200 and to reduce frictional wear. The flexible component may include at least one of the following: soft rubber, adhesive coating, brush, cleaning cloth, soft cloth, or foam. The soft rubber may be silicone, and the soft cloth may be wool felt, etc.

[0039] More specifically, the anti-pollution component 400 is disposed between the second sleeve 220 and the inner wall of the storage space 102, thereby preventing debris from splashing into the gap when the lifting component 200 is at its highest storage position and at its lowest cleaning position.

[0040] In some embodiments, as shown in Figures 5-6, the anti-pollution component 400 and the lifting component 200 have a gap between them.

[0041] The gap between the anti-pollution component 400 and the lifting component 200 can be less than 1 mm, such as 0.3 mm or 0.5 mm, which can block and clear most debris. The anti-pollution component 400 can be made of flexible material or rigid material, such as the same material as the main support 100.

[0042] The anti-pollution component 400 can take many forms. For example, the anti-pollution component 400 may include the aforementioned flexible component, such as soft rubber, rubber coating, brush, cleaning cloth, soft cloth, or foam, at least one of these.

[0043] The anti-pollution component 400 may also include a boss, which may be provided on the main support 100, on the lifting component 200, or on both the main support 100 and the lifting component 200. The following examples will provide a detailed explanation.

[0044] In one embodiment, as shown in Figures 5, 6, and 7, the anti-pollution component 400 includes a first boss 410. The first boss 410 is connected to the main support body 100 and protrudes from the inner circumferential surface of the main support body 100 relative to the lifting component 200. The first boss 410 is located at the end of the inner circumferential surface closer to the cleaning component. The first boss 410 may be slidably connected to the lifting component 200, or it may be spaced apart from the lifting component 200 by a certain gap, thereby at least partially closing the gap between the lifting component 200 and the main support body 100, preventing debris from splashing into the main support body 100, and cleaning debris on the lifting component 200.

[0045] In another embodiment, the anti-pollution component 400 includes a second boss 420, which is connected to the lifting component 200 and protrudes from the outer peripheral surface of the lifting component 200 relative to the main support body 100. The second boss 420 is located at the end of the outer peripheral surface away from the cleaning component. The second boss 420 can prevent debris from crossing the second sleeve 220 away from the top of the mop. The second boss 420 can at least partially close the gap between the lifting component 200 and the main support body 100, thus preventing debris from splashing and preventing debris from moving upwards and entering the inner side of the second sleeve 220. When hair or other tangled objects move upwards along the second sleeve 220, the second boss 420 prevents the tangled objects from entering the space between the first sleeve 210 and the second sleeve 220 through the top of the second sleeve 220, thus avoiding affecting the smooth movement of the third sleeve 312 relative to the lifting component 200.

[0046] In some embodiments, the anti-pollution component 400 may also include the aforementioned first boss 410 and second boss 420. The second boss 420 is used to cooperate with the first boss 410 to at least partially close the gap between the lifting component 200 and the main support body 100. The second boss 420 and the first boss 410 have an overlapping area in the vertical direction, thus cooperating with the first boss 410 to complement each other in sealing the gap between the lifting component 200 and the main support body 100, further preventing debris from splashing into the main support body 100.

[0047] In another embodiment, the anti-fouling component 400 may simultaneously include the aforementioned flexible component and at least one of the first protrusion 410 and the second protrusion 420. For example, the anti-fouling component 400 may include a flexible component disposed on the inner peripheral surface of the main support 100 and a second protrusion 420 disposed on the outer peripheral surface of the lifting component 200. The flexible component scrapes and removes debris by abutting against the outer peripheral surface of the lifting component 200. The second protrusion 420 and the flexible component have an overlapping area in the vertical direction, thereby achieving a complementary effect of sealing the gap between the lifting component 200 and the main support 100. Alternatively, the anti-fouling component 400 may include a flexible component disposed on the inner peripheral surface of the main support 100 and a first protrusion 410. The first protrusion 410 may be closer to the mop than the flexible component, and the flexible component may abut against the first protrusion 410. The first protrusion 410 then supports the flexible component, allowing it to have stronger cleaning power. Alternatively, the anti-pollution component 400 may simultaneously include a flexible component, a first boss 410, and a second boss 420, thereby also providing flexible scraping of the outer peripheral surface of the lifting component 200, and the second boss 420 and the first boss 410 working together to seal the gap between the lifting component 200 and the main support 100, further preventing debris from splashing into the main support 100.

[0048] In some embodiments, the lifting member 200 is used to lift and lower in the axial direction and rotate about the axial direction to drive the mop to rotate. The anti-fouling member 400 slides against the lifting member 200 in the axial direction and rolls in the rotational direction of the lifting member 200.

[0049] For example, the anti-pollution component 400 may include a rotating shaft and rollers. The rollers are rotatably connected to the rotating shaft, which is connected to the main support body 100. The rollers may be covered with flexible materials such as soft rubber or wool felt. When the lifting component 200 rises or falls, the anti-pollution component 400 remains stationary, pushing away debris by scraping the surface of the second sleeve 220. When the lifting component 200 rotates, the rollers of the anti-pollution component 400 rotate under force, thereby reducing the resistance of the anti-pollution component 400 to the rotation of the lifting component 200 and reducing energy consumption.

[0050] Alternatively, in some other embodiments, the anti-pollution component 400 includes at least an air supply device for providing airflow to the lifting component 200 to clean the lifting component 200.

[0051] For example, at least one air outlet can be provided on the main support 100, and the air outlet can be located on the inner wall of the storage space 102. The air supply equipment is connected to the air outlet, and the air outlet is opposite to the lifting component 200. Multiple air outlets can be arranged around the outer perimeter of the lifting component 200. The air supply equipment provides airflow to the lifting component 200 through the air outlet, and can provide high-pressure airflow to blow away debris. This achieves both the cleaning of debris and prevents the anti-pollution component 400 from affecting the movement of the lifting component 200.

[0052] In one embodiment, the connection method between the anti-pollution component 400 and the main support 100 includes at least one of the following: snap-fit, plug-in, adhesive, magnetic connection, clamping connection, and covering.

[0053] For example, the anti-pollution component 400 can be a wool felt with adhesive backing, which is adhered to the main support 100 by the adhesive. Alternatively, a groove can be formed in the main support 100, and the anti-pollution component 400 can be made of soft rubber, which is elastically embedded into the groove. Other implementation methods are also possible. The anti-pollution component 400 is detachably connected to the main support 100, and the anti-pollution component 400 can be replaced.

[0054] Alternatively, in another embodiment, the anti-pollution component 400 is integrally formed with the main support 100, such as by injection molding.

[0055] In one embodiment, the anti-pollution component 400 surrounds the lifting component 200, achieving thorough circumferential cleaning of the lifting component 200 and preventing any omissions. In embodiments where the anti-pollution component 400 is made of soft rubber or wool felt, the soft rubber or wool felt is in the form of a strip, arranged around the inner wall of the storage space 102. Alternatively, when the anti-pollution component 400 is an air supply device, the air outlet can be an opening surrounding the inner wall of the storage space 102.

[0056] In one embodiment, the lifting member 200 interacts with the anti-fouling member 400 via its outer peripheral surface, such as the outer peripheral surface of the second sleeve 220, i.e., via its outermost cylindrical side surface. The anti-fouling member 400 extends to the plane of the outer peripheral surface opposite to one end of the mop, or the anti-fouling member 400 extends beyond the plane of the outer peripheral surface opposite to one end of the mop.

[0057] If the outer peripheral surface of the lifting member 200 extends to the bottom of the lifting member 200 closest to the mop, then the anti-fouling member 400 extends to or exceeds the bottom of the lifting member 200. Alternatively, if the outer peripheral surface of the lifting member 200 extends to near the bottom of the lifting member 200, and there is a chamfered slope between the outer peripheral surface and the bottom of the lifting member 200, then the anti-fouling member 400 may extend only to the junction of the outer peripheral surface and the chamfered slope, or it may extend beyond the junction of the outer peripheral surface and the chamfered slope. This allows the anti-fouling member 400 to push debris to the edge of the outer peripheral surface, thereby allowing the debris to fall off due to abrupt changes in the surface of the lifting member 200, such as the disappearance of the outer peripheral surface or interference from the corner between the outer peripheral surface and the chamfered slope.

[0058] In one embodiment, the extension width of the anti-pollution component 400 in the lifting direction of the lifting component 200 is greater than or equal to 3 mm and less than or equal to 5 mm, to avoid excessive interference area between the anti-pollution component 400 and the lifting component 200, which could affect the movement of the lifting component 200. For example, the vertical width of the anti-pollution component 400 can be 4 mm. When the anti-pollution component 400 is a felt with adhesive backing, the total thickness of the felt plus the adhesive backing is greater than or equal to 1.5 mm and less than or equal to 3 mm. It can be understood that the overall thickness of the anti-pollution component 400 can be determined according to the different distances and gaps between the main support 100 and the lifting component 200.

[0059] In one embodiment, the anti-pollution component 400 is disposed at the edge of the opening 101, thereby enabling the lifting component 200 to be cleaned at the opening of the main support 100, increasing the cleaning area of ​​the lifting component 200, and preventing the lifting component 200 from carrying debris into the storage space 102 and polluting the inner wall of the storage space 102.

[0060] In one embodiment, the anti-pollution component 400 is at least partially located within the storage space 102, such as being entirely located within the storage space 102, or only half located within the storage space 102. Alternatively, in another embodiment, the anti-pollution component 400 is completely located outside the storage space 102, connected to the bottom edge of the opening 101, to facilitate replacement.

[0061] In one embodiment, the driving mechanism further includes a limiting part, which is disposed on the main support 100 and abuts against the anti-pollution component 400 on at least one side in the lifting direction of the lifting component 200 to limit the position of the anti-pollution component 400.

[0062] The limiting part is used to limit the position of the anti-pollution component 400, making the position of the anti-pollution component 400 more stable and facilitating the positioning and installation of the anti-pollution component 400. The limiting part can have various structures, as shown in Figures 3-4. The limiting part includes a mounting groove 103 formed on the main support body 100. The mounting groove 103 can be a recess extending to the opening 101. The anti-pollution component 400 is located in the mounting groove 103, such as being attached to the inner wall of the mounting groove 103. And / or, the limiting part includes a limiting plate connected to the main support body 100. The limiting plate protrudes from the inner wall of the main support body 100, and the anti-pollution component 400 abuts against the limiting plate.

[0063] On the other hand, this disclosure provides a cleaning robot, including a drive mechanism according to any of the foregoing embodiments, and a robot body, wherein the drive mechanism is disposed on the robot body. For example, the cleaning robot may be a mopping robot, a sweeping robot, or a combined sweeping and mopping robot, etc.

[0064] There can be one, two, or more drive mechanisms, which can be configured as needed. The cleaning robot includes the drive mechanism of any of the foregoing embodiments, and the advantages of including the drive mechanism of any of the foregoing embodiments will not be elaborated here.

[0065] The drive mechanism and cleaning robot disclosed herein utilize a drive component that drives a lifting member to rise and fall relative to the main support body, thereby causing the cleaning component to rise and fall relative to the surface to be cleaned, enabling the use and storage of the cleaning component. During the cleaning process, any debris adhering to or entangled on the lifting member is removed by the lifting member relative to the anti-contamination component as it rises. Under the external force applied by the anti-contamination component, the debris is moved or detached from the lifting member, thus cleaning its surface at least during the rising process. This prevents the lifting member from carrying debris into the main support body, avoiding contamination of components such as the drive component within the main support body, thereby ensuring the performance of the drive mechanism and the effective cleaning by the cleaning robot. Simultaneously, the anti-contamination component at least partially seals the gap between the lifting member and the main support body, reducing the amount of debris splashed into the main support body during cleaning.

[0066] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A driving mechanism, comprising: Main support structure; A lifting component is used to connect a cleaning component, which is used to clean the surface to be cleaned. A drive assembly, which is at least connected to the lifting member, is used to drive the lifting member to move up and down relative to the main support body; An anti-pollution component is provided to interact with debris attached to the lifting component to at least prevent the debris from entering the interior of the main support.

2. The driving mechanism according to claim 1, wherein, The anti-pollution component slides against the lifting component; Alternatively, there may be a gap between the anti-pollution component and the lifting component.

3. The driving mechanism according to claim 1 or 2, wherein, The anti-pollution component includes a flexible component, which includes at least one of soft rubber, coated rubber, brush, cleaning cloth, soft cloth, and foam. And / or, the anti-pollution component includes a first boss, which is connected to the main support body and protrudes from the inner peripheral surface of the main support body relative to the lifting component, and the first boss is located at the end of the inner peripheral surface near the cleaning component; And / or, the anti-pollution component includes a second boss, which is connected to the lifting component and protrudes from the outer peripheral surface of the lifting component relative to the main support body, and the second boss is located at the end of the outer peripheral surface away from the cleaning component.

4. The drive mechanism according to claim 1 or 2, wherein, The anti-pollution component includes a first protrusion and a second protrusion. The first protrusion is connected to the main support body and protrudes from the inner circumferential surface of the main support body relative to the lifting component. The first protrusion is located at the end of the inner circumferential surface closer to the cleaning component. The second protrusion is connected to the lifting component and protrudes from the outer circumferential surface of the lifting component relative to the main support body. The second protrusion is located at the end of the outer circumferential surface away from the cleaning component. The second boss and the first boss have an overlapping area projected in the axial direction of the lifting member. The second boss is used to cooperate with the first boss to at least partially close the gap between the lifting member and the main support body.

5. The drive mechanism according to any one of claims 1 to 4, wherein, The lifting component is used to lift and rotate in the axial direction and around the axial direction to drive the cleaning component to lift and rotate. The anti-pollution component and the lifting component slide against each other in the axial direction and are rolled together in the rotational direction of the lifting component.

6. The drive mechanism according to any one of claims 1 to 5, wherein, The pollution prevention component includes at least an air supply device, which is used to provide airflow to the lifting component to clean it.

7. The drive mechanism according to claim 6, wherein, The pollution prevention component also includes at least one air outlet on the main support body, the air supply device is connected to the air outlet, the air outlet is disposed opposite to the lifting component, and the air supply device provides air volume to the lifting component through the air outlet.

8. The drive mechanism according to any one of claims 1 to 7, wherein, The anti-pollution component is detachably connected to the main support body. The connection method between the anti-pollution component and the main support body includes at least one of the following: snap-fit, plug-in, adhesive, magnetic connection, clamping connection, and covering. Alternatively, the anti-pollution component may be integrally formed with the main support body.

9. The drive mechanism according to any one of claims 1 to 8, wherein, The anti-pollution component surrounds the lifting component.

10. The drive mechanism according to any one of claims 1 to 9, wherein, The lifting component interacts with the anti-pollution component through its outer peripheral surface; The anti-fouling component extends into the plane containing one end of the cleaning component opposite to the outer peripheral surface; Alternatively, the anti-fouling component extends beyond the plane containing one end of the outer peripheral surface opposite the cleaning component.

11. The drive mechanism according to any one of claims 1 to 10, wherein, The anti-pollution component extends in the lifting direction of the lifting component with a width greater than or equal to 3 mm and less than or equal to 5 mm.

12. The drive mechanism according to any one of claims 1 to 11, wherein, The main support includes an opening and a storage space, and the storage space is connected to the opening. The lifting component is at least partially located in the storage space and extends out of the storage space through the opening to move up and down relative to the main support body; The anti-pollution component is disposed at the edge of the opening.

13. The drive mechanism according to claim 12, wherein, The anti-pollution component is at least partially located within the storage space, or the anti-pollution component is located outside the storage space.

14. The drive mechanism according to any one of claims 1 to 13, further comprising: A limiting part is provided on the main support body and abuts against the anti-pollution component on at least one side in the lifting direction of the lifting component to limit the position of the anti-pollution component.

15. The drive mechanism according to claim 14, wherein, The limiting part includes a mounting groove formed on the main support body, and the anti-pollution component is located in the mounting groove; And / or, the limiting part includes a limiting plate connected to the main support body, the limiting plate protruding from the inner wall of the main support body, and the anti-pollution component abutting against the limiting plate.

16. A cleaning robot, characterized in that, The robot includes a drive mechanism as described in any one of claims 1-15, and a robot body, wherein the drive mechanism is disposed on the robot body.

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