Side brush mechanism and cleaning equipment

Abstract

The present application discloses a side brush mechanism and a cleaning device, wherein the side brush mechanism comprises a housing, a brush body assembly, a rotation drive assembly and a linkage assembly, wherein the housing has a receiving chamber; the brush body assembly is rotationally supported on the housing and comprises at least one brush arm; the rotation drive assembly is at least partially received in the receiving chamber and is used to drive the brush body assembly to rotate in a first direction and a second direction opposite to each other; the linkage assembly has a first position and a second position spaced apart along a rotation axis; when the rotation drive assembly drives the brush body assembly to rotate in the first direction, the brush body assembly translates along the rotation axis to the first position to lower the brush arm relative to the housing; when the rotation drive assembly drives the brush body assembly to rotate in the second direction, the brush body assembly translates along the rotation axis to the second position under the action of the linkage assembly to recycle the brush arm relative to the housing. Through the above-mentioned manner, the present application can realize the lowering and raising of the brush arm of the side brush mechanism, and effectively improve the adaptability of the side brush mechanism to different cleaning environments.

Description

Technical Field

[0001] The present application relates to the technical field of intelligent cleaning equipment, and in particular to a side brush mechanism and a cleaning equipment. Background Art

[0002] With the development of intelligent manufacturing technology and communication technology, more and more smart home devices are serving people's lives, bringing great convenience to people's lives. Cleaning equipment, such as vacuum cleaners and sweeping robots, can clean garbage through side brushes, and can semi-automatically or automatically perform floor cleaning, dust removal and other cleaning tasks.

[0003] However, if the cleaning device encounters dirty water when using the side brush for cleaning, the rotating side brush will increase the area of ​​the dirty water or even splash it, which cannot meet the use requirements. Utility Model Content

[0004] The main technical problem solved by the present application is to provide a side brush mechanism and a cleaning device, which can realize the lowering and raising of the brush arm of the side brush mechanism, and effectively improve the adaptability of the side brush mechanism to different cleaning environments.

[0005] To solve the above technical problems, the first technical solution adopted in the present application is to provide a side brush mechanism, which includes a shell, a brush body assembly, a rotation drive assembly and a linkage assembly, wherein the shell has a accommodating chamber; the brush body assembly is rotatably supported on the shell and includes at least one brush arm; the rotation drive assembly is at least partially accommodated in the accommodating chamber and is transmission-connected to the brush body assembly, and is used to drive the brush body assembly to rotate along a first direction and a second direction opposite to each other with a preset rotation axis as the center; the linkage assembly is accommodated in the accommodating chamber and is linked with the brush body assembly, and the linkage assembly has a first position and a second position arranged at intervals along the rotation axis; wherein, when the rotation drive assembly drives the brush body assembly to rotate in the first direction, the brush body assembly is translated to the first position along the rotation axis under the action of the linkage assembly, so as to lower the brush arm relative to the shell; when the rotation drive assembly drives the brush body assembly to rotate in the second direction, the brush body assembly is translated to the second position along the rotation axis under the action of the linkage assembly, so as to retract the brush arm relative to the shell.

[0006] In some embodiments, the linkage assembly includes a threaded rod and a threaded sleeve, the threaded rod is arranged along the rotation axis, the threaded sleeve is sleeved on the outer periphery of the threaded rod and cooperates with the thread of the threaded rod, and the brush body assembly is connected to the threaded sleeve and rotates synchronously with the threaded sleeve; wherein, when the brush body assembly and the threaded sleeve rotate along a first direction, the threaded sleeve translates to a first position under the action of the threaded rod; when the brush body assembly and the threaded sleeve rotate along a second direction, the threaded sleeve translates to a second position under the action of the threaded rod.

[0007] In some embodiments, the linkage assembly further comprises a damping mechanism for providing rotational damping to the threaded rod so that the threaded sleeve rotates relative to the threaded rod.

[0008] In some embodiments, the damping mechanism is a one-way bearing, which is fixed relative to the housing and is sleeved on the outer circumference of the threaded rod; wherein, when the threaded sleeve rotates along the first direction and the brush body assembly is in the second position, the one-way bearing provides rotational damping for the threaded rod, the threaded sleeve can rotate relative to the threaded rod, and under the action of the threaded rod, drives the brush body assembly to translate toward the first position, after the brush body assembly reaches the first position, the translation of the threaded sleeve is locked, and the threaded sleeve drives the threaded rod to overcome the rotational damping of the one-way bearing and rotate synchronously; when the threaded sleeve rotates along the second direction, the threaded rod is locked by the one-way bearing.

[0009] In some embodiments, the damping mechanism is a braking mechanism configured to selectively lock the threaded rod.

[0010] In some embodiments, the brush body assembly also includes a cover body, a threaded sleeve is disposed in the cover body, a limiting hole is opened in the cover body, one end of the brush arm is connected to the threaded sleeve and passes through the limiting hole, and the rotation drive assembly is used to drive the cover body to rotate, thereby driving the brush arm and the threaded sleeve to rotate.

[0011] In some embodiments, the brush body assembly further includes an adapter ring, one end of the brush arm is fixedly connected to the adapter ring, and the adapter ring is sleeved on the outer circumference of the threaded sleeve.

[0012] In some embodiments, the brush arm has an elastic bending portion and a bristle portion, and the two ends of the elastic bending portion are respectively connected to the adapter ring and the bristle portion. When the brush body assembly is in a first position, the elastic bending portion extends out of the cover body through the limiting hole, so that the bristle portion has an extension component along the rotation axis away from the shell. When the brush body assembly is in a second position, at least part of the elastic bending portion is recovered into the cover body, so that the bristle portion has an extension component along the rotation axis pointing to the shell.

[0013] In some embodiments, the outer peripheral surface of the cover body is provided with a tooth portion, and the rotation drive assembly includes a drive motor and a transmission gear. The drive motor is connected to the transmission gear, and the transmission gear meshes with the tooth portion of the cover body to drive the cover body to rotate.

[0014] In order to solve the above technical problems, the second technical solution adopted in the present application is to provide a cleaning device, which includes a device body and the side brush mechanism as described above, and the side brush mechanism is arranged on the device body.

[0015] The beneficial effects of the present application are as follows: different from the prior art, a side brush mechanism including a housing, a brush assembly, a rotation drive assembly and a linkage assembly is provided, the brush assembly includes at least one brush arm, the rotation drive assembly is connected to the brush assembly, the rotation drive assembly can drive the brush assembly to rotate along a first direction and a second direction opposite to each other with a preset rotation axis as the center, the brush assembly is linked with the linkage assembly, and then the brush arm is translated between the first position and the second position under the action of the linkage assembly to achieve the lowering and lifting of the brush arm. Among them, when the brush assembly is translated to the first position along the rotation axis under the action of the linkage assembly, the brush arm is lowered relative to the housing, so that the brush arm can be used to collect and clean the garbage on the surface to be cleaned, and when the brush assembly is translated to the second position along the rotation axis under the action of the linkage assembly, the brush arm is recovered relative to the housing, so that the brush arm is lifted up to be away from the surface to be cleaned, and then the brush arm can be prevented from touching the sewage, effluent, etc. on the surface to be cleaned, and the possibility of the rotating side brush increasing the sewage area or even splashing is reduced, and the adaptability of the side brush mechanism to different cleaning environments is effectively improved, which is conducive to improving the reliability of the cleaning work of the cleaning equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the cleaning device of the present application;

[0017] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the side brush mechanism shown;

[0018] Figure 3 yes Figure 1 A schematic diagram of the disassembled structure of the side brush mechanism shown;

[0019] Figure 4 yes Figure 2 A schematic diagram of a cross-sectional structure of the side brush mechanism shown along the AA section line;

[0020] Figure 5 yes Figure 2 The side brush mechanism shown is a schematic cross-sectional structure diagram along the BB section line. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0023] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0024] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0025] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "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, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0026] With the development of intelligent manufacturing technology and communication technology, more and more smart home devices are serving people's lives, bringing great convenience to people's lives. Cleaning equipment, such as vacuum cleaners and sweeping robots, collects garbage on the ground through side brushes, and then uses fans to provide air volume to suck out the garbage. It can semi-automatically or automatically perform cleaning tasks such as floor cleaning and dust removal, providing convenience for users' lives.

[0027] After long-term research, the inventor of this application found that current cleaning equipment usually gathers and cleans debris and hair around the cleaning equipment through a rotating side brush, and then absorbs the dust through the suction port of the cleaning equipment. However, when using a cleaning device to clean a surface to be cleaned, there may not only be solid garbage, dust, etc. on the surface to be cleaned, but also liquid sewage, stagnant liquid, etc. that need to be cleaned with a rag or mop. When the rotating side brush encounters sewage, the sewage area will increase or even splash, making cleaning more difficult. Therefore, this application proposes the following embodiments to solve the above technical problems.

[0028] The following surface cleaning device embodiments of the present application describe exemplary structures of the cleaning device.

[0029] like Figure 1 As shown, the cleaning device 2 may include a device body 3 and a side brush mechanism 1 .

[0030] The cleaning device 2 is used to perform cleaning work. The cleaning device 2 is, for example, a sweeping robot, a cleaning robot or a vacuum cleaner, and may have one or more cleaning functions such as vacuuming, sweeping, mopping and washing. Optionally, the cleaning device 2 may be a self-propelled cleaning device that can walk autonomously or under command control to perform cleaning work.

[0031] The device body 3 is used to walk on the surface to be cleaned so as to collect, suck and store garbage. Specifically, the device body 3 can have a cleaning function or a dust collection function, and can also have a cleaning function and a dust collection function, and can also have other cleaning functions. The device body 3 is used to suck and store garbage.

[0032] A fan may be provided in the device body 3, and the fan is used to provide air volume. The air volume provided by the fan is, for example, the amount of air flowing through the fan per unit time. The larger the air volume, the more garbage-containing air is sucked into the cleaning device 2 per unit time. Under the action of the air volume directed to the inside of the device body 3 provided by the fan, the cleaning device 2 will suck in the garbage-containing air, thereby achieving the purpose of cleaning. The device body 3 may also include a dust box, which may be installed on the device body 3 by insertion, assembly, combination, etc. The dust box may be used to store dust, debris and other garbage. The device body 3 may also include a walking component, which may make the cleaning device 2 movable. The walking component may include a driving mechanism and a rolling wheel mechanism, and the driving mechanism is used to drive the rolling wheel mechanism to rotate, so as to realize walking on the working surface of the cleaning device 2. The driving mechanism is, for example, a motor. The device body 3 may also include a sensor component, which is used to realize one or more corresponding functions, such as infrared function, collision sensing function, etc., and can be used to realize obstacle avoidance, navigation, recharging and other functions. The device body 3 may also include a control circuit, which may be coupled to the walking component, the side brush mechanism 1, the fan, and the sensor component, etc., and may be used to control the operation of the above components to achieve corresponding operations. The control circuit may be an MCU, or a circuit board including an MCU, as a processing center of the cleaning device 2.

[0033] The side brush mechanism 1 is arranged on the device body 3, and is used to contact the surface to be cleaned, so as to gather and clean the garbage on the surface to be cleaned by rotating.

[0034] like Figure 2 and Figure 3 As shown, the side brush mechanism 1 includes a shell 10, a brush body assembly 20, a rotation drive assembly 30 and a linkage assembly 40. The shell 10 has a accommodating chamber 101. The brush body assembly 20 is rotatably supported on the shell 10, and includes at least one brush arm 210. The number of brush arms 210 can be one, two, three, etc., and of course, it can also be other numbers. The rotation drive assembly 30 is at least partially accommodated in the accommodating chamber 101, and is transmission-connected to the brush body assembly 20, and is used to drive the brush body assembly 20 to rotate in a first direction F1 and a second direction F2 that are opposite to each other with a preset rotation axis L1 as the center. The linkage assembly 40 is accommodated in the accommodating chamber 101 and is linked with the brush body assembly 20. The linkage assembly 40 has a first position and a second position spaced apart along the rotation axis L1.

[0035] When the rotary drive assembly 30 drives the brush body assembly 20 to rotate along the first direction F1, the brush body assembly 20 is translated to the first position along the rotation axis L1 under the action of the linkage assembly 40, so as to lower the brush arm 210 relative to the housing 10, and the brush arm 210 can contact the surface to be cleaned, so as to collect and clean the garbage on the surface to be cleaned by rotation. When the rotary drive assembly 30 drives the brush body assembly 20 to rotate along the second direction F2, the brush body assembly 20 is translated to the second position along the rotation axis L1 under the action of the linkage assembly 40, so as to retract the brush arm 210 relative to the housing 10, that is, the brush arm 210 is lifted up to be away from the surface to be cleaned, thereby preventing the brush arm 210 from touching the sewage, accumulated liquid, etc. on the surface to be cleaned, reducing the possibility of the rotating side brush increasing the area of ​​sewage or even splashing, effectively improving the adaptability of the side brush mechanism 1 to different cleaning environments, and facilitating the reliability of the cleaning work of the cleaning device 2. In addition, the position of the brush body assembly 20 can be moved by changing the direction in which the rotary drive assembly 30 drives the brush body assembly 20 to rotate. The operation is simple and effective, and a linkage assembly 40 is separately provided to achieve the movement of the position. The rotary drive assembly 30 directly drives the brush body assembly 20 to rotate, so that the rotation of the brush body assembly 20 is more controllable, which is beneficial to improving the reliability and stability of the brush body assembly.

[0036] Alternatively, if Figures 3 to 5 As shown, the linkage assembly 40 includes a threaded rod 410 and a threaded sleeve 420. The threaded rod 410 is arranged along the rotation axis L1, the threaded sleeve 420 is sleeved on the outer periphery of the threaded rod 410 and is threadedly matched with the threaded rod 410, and the brush body assembly 20 is connected to the threaded sleeve 420 and rotates synchronously with the threaded sleeve 420. The threads on the threaded rod 410 and the threaded sleeve 420 can be triangular threads, trapezoidal threads, rectangular threads, etc., and of course other types of threads can also be used. The brush body assembly 20 can be connected to the threaded sleeve 420 by welding, riveting, bonding, screw connection, etc., and of course other connection methods can also be used.

[0037] Among them, when the brush body assembly 20 and the threaded sleeve 420 rotate along the first direction F1, the threaded sleeve 420 and the threaded rod 410 rotate relative to each other along the first direction F1, and the threaded rod 410 converts the rotational movement of the threaded sleeve 420 along the first direction F1 into a linear movement toward the first position, so that the threaded sleeve 420 can be translated toward the first position under the action of the threaded rod 410, so that the brush arm 210 is gradually lowered relative to the shell 10 until the brush body assembly 20 and the threaded sleeve 420 are translated to the first position. At this time, the brush arm 210 can contact the surface to be cleaned to gather and clean the garbage on the surface to be cleaned by rotation. When the brush body assembly 20 and the threaded sleeve 420 rotate along the second direction F2, the threaded sleeve 420 and the threaded rod 410 rotate relative to each other along the second direction F2, and the threaded rod 410 converts the rotational movement of the threaded sleeve 420 along the second direction F2 into a linear movement toward the second position, so that the threaded sleeve 420 can be translated toward the second position under the action of the threaded rod 410, thereby allowing the brush arm 210 to gradually retract relative to the shell 10 until the brush body assembly 20 and the threaded sleeve 420 are translated to the second position, that is, the brush arm 210 is lifted up to move away from the surface to be cleaned, thereby preventing the brush arm 210 from touching sewage, accumulated liquid, etc. on the surface to be cleaned, reducing the possibility of the rotating side brush increasing the area of ​​sewage or even splashing it, effectively improving the adaptability of the side brush mechanism 1 to different cleaning environments, and helping to improve the reliability of the cleaning work of the cleaning equipment 2. Through the threaded cooperation of the threaded sleeve 420 and the threaded rod 410, the rotational motion of the brush body assembly 20 relative to the threaded rod 410 is converted into linear motion. The structure is simple and easy to operate. It only needs to change the rotation direction of the rotary drive assembly 30 to drive the brush body assembly 20 to complete the switching between the lowering and recovery of the brush arm 210. The structure has high effectiveness and the switching is convenient and fast, which effectively improves the adaptability and cleaning efficiency of the side brush mechanism 1 to different cleaning environments.

[0038] Furthermore, if Figures 3 to 5 As shown, the linkage assembly 40 further includes a damping mechanism 430, which is used to provide rotational damping for the threaded rod 410 so that the threaded sleeve 420 rotates relative to the threaded rod 410. Optionally, when the brush body assembly 20 and the threaded sleeve 420 translate to the first position relative to the threaded rod 410, the threaded sleeve 420 rotates relative to the threaded rod 410 along a first direction F1; after the brush body assembly 20 and the threaded sleeve 420 translate to the first position, the threaded sleeve 420 and the threaded rod 410 rotate synchronously along the first direction F1; when the brush body assembly 20 and the threaded sleeve 420 translate to the second position relative to the threaded rod 410, the threaded sleeve 420 rotates relative to the thread along a second direction F2.

[0039] In some embodiments, the damping mechanism 430 is a braking mechanism, and the braking mechanism is configured to selectively lock the threaded rod 410. When the brush body assembly 20 and the threaded sleeve 420 rotate along the first direction F1 from the second position, the braking mechanism first applies rotational damping to the threaded rod 410 to lock the threaded rod 410, so that the threaded sleeve 420 and the threaded rod 410 rotate relative to each other along the first direction F1, and the threaded rod 410 converts the rotational motion of the threaded sleeve 420 along the first direction F1 into a linear motion toward the first position, so that the threaded sleeve 420 is translated toward the first position under the action of the threaded rod 410, so that the brush arm 210 is gradually lowered relative to the housing 10 until the brush body assembly 20 and the threaded sleeve 420 are translated to the first position. After the brush body assembly 20 and the threaded sleeve 420 are translated to the first position, the braking mechanism no longer applies rotational damping to the threaded rod 410, and the threaded rod 410 rotates synchronously with the threaded sleeve 420 along the first direction F1. When the brush body assembly 20 and the threaded sleeve 420 rotate from the first position in the second direction F2, the brake mechanism applies rotational damping to the threaded rod 410 to lock the threaded rod 410, so that the threaded sleeve 420 and the threaded rod 410 rotate relative to each other in the second direction F2, and the threaded rod 410 converts the rotational motion of the threaded sleeve 420 in the second direction F2 into a linear motion toward the second position, so that the threaded sleeve 420 is translated toward the second position under the action of the threaded rod 410, so that the brush arm 210 is gradually recovered relative to the housing 10 until the brush body assembly 20 and the threaded sleeve 420 are translated to the second position. By providing rotational damping through the brake mechanism, the magnitude of the rotational damping can be effectively controlled, which is conducive to improving the effectiveness and stability of the side brush mechanism 1.

[0040] In some embodiments, the damping mechanism 430 is a one-way bearing, which is relatively fixed to the housing 10 and sleeved on the outer periphery of the threaded rod 410. The one-way bearing is a bearing that can rotate freely or provide a certain rotational damping in one direction, and is locked in another direction. Specifically, when the threaded sleeve 420 rotates along the first direction F1 and the brush body assembly 20 is in the second position, the threaded rod 410 also rotates along the first direction F1 driven by the threaded sleeve 420, but the one-way bearing provides rotational damping for the threaded rod 410, then the threaded rod 410 has a certain rotational speed difference with the threaded sleeve 420 under the action of the rotational damping, that is, the threaded sleeve 420 can rotate relative to the threaded rod 410, so that the threaded rod 410 converts the rotational motion of the threaded sleeve 420 into translational motion, and the threaded sleeve 420 drives the brush body assembly 20 to translate to the first position under the action of the threaded rod 410. After the brush body assembly 20 reaches the first position, the translation of the threaded sleeve 420 is locked, and the brush body assembly 20 drives the threaded sleeve 420 to continue to rotate synchronously, and the threaded sleeve 420 drives the threaded rod 410 to rotate synchronously to overcome the rotation damping of the one-way bearing. When the threaded sleeve 420 rotates along the second direction F2 from the first position, since the one-way bearing will be locked in this direction, the threaded rod 410 is locked by the one-way bearing and remains stationary, and the brush body assembly 20 drives the threaded sleeve 420 to rotate along the second direction F2 relative to the threaded rod 410, and the threaded rod 410 converts the rotational motion of the threaded sleeve 420 into translational motion. Under the action of the threaded rod 410, the threaded sleeve 420 drives the brush body assembly 20 to translate to the second position. Providing rotational damping through the one-way bearing is conducive to reducing the cost of the damping mechanism 430, and there is no need to set up an additional control system to control the provision of rotational damping. The structure is simple, which is conducive to reducing the production cost of the side brush mechanism 1, simplifying the assembly process of the side brush mechanism 1, and improving the assembly efficiency of the side brush mechanism 1.

[0041] Alternatively, if Figure 3As shown, the brush assembly 20 also includes a cover 220, a threaded sleeve 420 is disposed in the cover 220, the cover 220 is provided with a limiting hole 201, one end of the brush arm 210 is connected to the threaded sleeve 420 and passes through the limiting hole 201, and the rotation drive assembly 30 is used to drive the cover 220 to rotate, so as to drive the brush arm 210 and the threaded sleeve 420 to rotate. The number of the limiting holes 201 and the brush arm 210 is equal and one-to-one corresponding. Optionally, the cover 220 includes a first cover 221 and a second cover 222 that are fixedly connected, the first cover 221 is provided with a limiting hole 201, the brush arm 210 is penetrated in the first cover 221 through the limiting hole 201, the rotation drive assembly 30 is connected to the second cover 222 in transmission to drive the second cover 222 to rotate, the second cover 222 drives the first cover 221 to rotate, and the first cover 221 then drives the brush arm 210 and the threaded sleeve 420 to rotate. The cover body 220 and the brush arm 210 are connected by the limiting hole 201, which is beneficial to improving the stability and integration of the structure.

[0042] Alternatively, if Figure 3 As shown, the brush body assembly 20 further includes an adapter ring 230, one end of the brush arm 210 is fixedly connected to the adapter ring 230, and the adapter ring 230 is sleeved on the outer periphery of the threaded sleeve 420, with a simple structure and easy assembly. The adapter ring 230 can be connected to the threaded sleeve 420 by welding, riveting, bonding, screw connection, etc., and of course other connection methods can also be used.

[0043] Alternatively, if Figure 3 As shown, the brush arm 210 has an elastic bending portion 211 and a bristle portion 212, and the two ends of the elastic bending portion 211 are respectively connected to the adapter ring 230 and the bristle portion 212. The elastic bending portion 211 can be an elastic body made of elastic materials such as silicone, rubber, etc.

[0044] like Figure 4 As shown, when the brush assembly 20 is in the first position, the elastic bending portion 211 extends out of the cover 220 through the limiting hole 201, so that the bristle portion 212 has an extension component away from the housing 10 along the rotation axis L1, thereby making the bristle portion 212 closer to the surface to be cleaned, so as to collect and clean the garbage on the surface to be cleaned through rotation. Figure 5 As shown, when the brush body assembly 20 is in the second position, at least part of the elastic bending portion 211 is retracted into the cover body 220, so that the bristle portion 212 has an extension component along the rotation axis L1 pointing to the shell 10. At this time, the elastic bending portion 211 is restricted by the limiting hole 201 to bend, thereby lifting the bristle portion 212 away from the surface to be cleaned, avoiding the bristle portion 212 from contacting the dirty water on the surface to be cleaned, effectively improving the adaptability of the side brush mechanism 1 to different cleaning environments, and helping to improve the reliability of the cleaning work of the cleaning equipment 2.

[0045] Alternatively, if Figure 3 and Figure 4 As shown, the outer peripheral surface of the cover 220 is provided with a tooth portion 223, and the rotation drive assembly 30 includes a drive motor 310 and a transmission gear 320, and the drive motor 310 is connected to the transmission gear 320, and the transmission gear 320 is meshed with the tooth portion 223 of the cover 220 to drive the cover 220 to rotate. The drive motor 310 can be a stepping motor or a servo motor, and of course it can also be other types of motors. The number of transmission gears 320 can be, for example, one, two, three, etc., and of course it can also be other numbers. Optionally, when the number of transmission gears 320 is multiple, the multiple transmission gears 320 are all arranged perpendicular to the rotation axis L1, so as to make full use of the lateral space of the side brush mechanism 1 without occupying too much of the longitudinal space of the side brush mechanism 1, which is conducive to improving the structural compactness of the side brush mechanism 1 and reducing the longitudinal volume of the side brush mechanism 1, so as to facilitate the brush arm 210 to extend outside the housing 10, which is conducive to improving the cleaning effect of the cleaning device 2.

[0046] Alternatively, if Figure 4 The toothed portion 223 is provided on the outer circumference of the second cover 222, and the transmission gear 320 is meshed with the toothed portion 223 of the second cover 222 to drive the second cover 222 to rotate, thereby driving the first cover 221 and the brush arm 210 to rotate. By providing the toothed portion 223 on the cover 220 and realizing transmission through the meshing of the gears, it is beneficial to improve the structural compactness of the side brush mechanism 1, to improve the integration of the side brush mechanism 1, to facilitate the extension of the brush arm 210 to the outside of the housing 10, and to improve the cleaning effect of the cleaning device 2.

[0047] In some embodiments, the cleaning device 2 includes a power supply battery, which is arranged in the device body 3, and the cleaning device 2 is powered by the power supply battery to realize the wireless use of the cleaning device 2, thereby improving the convenience and applicability of the use of the cleaning device 2. The power supply battery includes but is not limited to lithium ion batteries, sodium ion batteries, sodium lithium ion batteries, lithium metal batteries, sodium metal batteries, lithium sulfur batteries, magnesium ion batteries, nickel hydrogen batteries, nickel cadmium batteries, lead storage batteries, etc. The power supply battery may be cylindrical, flat, rectangular or other shapes. The power supply battery may be a single battery or multiple batteries, and multiple batteries may be connected in series or in parallel or in mixed connection. Mixed connection means that multiple batteries are both connected in series and in parallel, and multiple batteries may be directly connected in series or in parallel or in mixed connection. Of course, the power supply battery may also be a battery module in which multiple batteries are first connected in series or in parallel or in mixed connection, and multiple battery modules are then connected in series or in parallel or in mixed connection to form a whole. The power supply battery may also include other structures, for example, the power supply battery may also include a converging component for realizing electrical connection between multiple batteries.

[0048] In some embodiments, the cleaning device 2 may be further provided with a mopping mechanism, which is used to clean the surface to be cleaned and may be provided on the device body 3. In some embodiments, the mopping mechanism may replace the side brush mechanism 1, and then mop and clean the corresponding surface to be cleaned. When the cleaning device 2 is cleaning the surface to be cleaned, the mopping mechanism can contact the surface to be cleaned to wipe the working surface to achieve cleaning. The mopping mechanism may, for example, have a mopping member arranged in a circular or quasi-circular shape, which may be a mop, a wet wipe, or a sponge.

[0049] The movement process of the brush body assembly 20 translating between the first position and the second position is described in detail below.

[0050] When the cleaning device 2 cleans the surface to be cleaned, the brush body assembly 20 and the threaded sleeve 420 are located in the first position of the linkage assembly 40, and the rotary drive assembly 30 drives the brush body assembly 20 to rotate along the first direction F1 around the preset rotation axis L1, and the cover body 220, the brush arm 210, the adapter ring 230, the threaded sleeve 420, and the threaded rod 410 all rotate synchronously.

[0051] When the cleaning device 2 detects that there is sewage in front and the brush arm 210 needs to be lifted, the rotary drive assembly 30 drives the brush body assembly 20 to rotate along the second direction F2 around the preset rotation axis L1, the damping mechanism 430 locks the threaded rod 410, and the brush body assembly 20 drives the threaded sleeve 420 and the threaded rod 410 to rotate relative to each other along the second direction F2. The threaded rod 410 converts the rotational motion of the threaded sleeve 420 along the second direction F2 into a linear motion toward the second position, so that the threaded sleeve 420 is translated toward the second position under the action of the threaded rod 410, so that the brush arm 210 is gradually recovered relative to the housing 10 until the brush body assembly 20 and the threaded sleeve 420 are translated to the second position, that is, the brush arm 210 is lifted to move away from the surface to be cleaned. At this time, the cover 220, the brush arm 210, the adapter ring 230, and the threaded sleeve 420 all rotate synchronously, and the threaded rod 410 is locked and stationary.

[0052] When the cleaning device 2 needs the brush arm 210 to be lowered to re-contact the surface to be cleaned, the rotary drive assembly 30 drives the brush body assembly 20 to rotate around the preset rotation axis L1 along the first direction F1, and the brush body assembly 20 drives the threaded sleeve 420 to rotate around the preset rotation axis L1 along the first direction F1. The damping mechanism 430 provides rotational damping to cause relative rotation between the threaded rod 410 and the threaded sleeve 420. The threaded rod 410 converts the rotational motion of the threaded sleeve 420 along the first direction F1 into a linear motion toward the first position, so that the threaded sleeve 420 is translated toward the first position under the action of the threaded rod 410, so that the brush arm 210 is gradually lowered relative to the housing 10 until the brush body assembly 20 and the threaded sleeve 420 are translated to the first position. At this time, the cover 220, the brush arm 210, the adapter ring 230, and the threaded sleeve 420 all rotate synchronously, and the threaded rod 410 is locked and stationary or rotates along the first direction F1 at a speed lower than that of the threaded sleeve 420.

[0053] To summarize, by setting up a side brush mechanism 1 including a shell 10, a brush body assembly 20, a rotation drive assembly 30 and a linkage assembly 40, the brush body assembly 20 includes at least one brush arm 210, and the rotation drive assembly 30 is transmission-connected to the brush body assembly 20. The rotation drive assembly 30 can drive the brush body assembly 20 to rotate along a first direction F1 and a second direction F2 in opposite directions with a preset rotation axis L1 as the center. The brush body assembly 20 is linked with the linkage assembly 40, and then translates between the first position and the second position under the action of the linkage assembly 40 to realize the lowering and lifting of the brush arm 210. Among them, when the brush body assembly 20 is translated to the first position along the rotation axis L1 under the action of the linkage assembly 40, the brush arm 210 is lowered relative to the shell 10, so that the brush arm 210 can be used to collect and clean the garbage on the surface to be cleaned. When the brush body assembly 20 is translated to the second position along the rotation axis L1 under the action of the linkage assembly 40, the brush arm 210 is retracted relative to the shell 10, so that the brush arm 210 is lifted up to move away from the surface to be cleaned, thereby preventing the brush arm 210 from touching the sewage, accumulated liquid, etc. on the surface to be cleaned, reducing the possibility of the rotating side brush increasing the area of ​​sewage or even splashing it, effectively improving the adaptability of the side brush mechanism 1 to different cleaning environments, and helping to improve the reliability of the cleaning work of the cleaning equipment 2.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A side brush mechanism, characterized in that: include: A housing having a receiving cavity; A brush body assembly is rotatably supported on the housing and includes at least one brush arm; A rotation drive assembly, at least partially accommodated in the accommodating cavity and drivingly connected to the brush body assembly, for driving the brush body assembly to rotate in a first direction and a second direction opposite to each other with a preset rotation axis as the center; A linkage assembly is contained in the accommodating cavity and is linked with the brush assembly, wherein the linkage assembly has a first position and a second position spaced apart along the rotation axis; Wherein, when the rotary drive assembly drives the brush body assembly to rotate along the first direction, the brush body assembly is translated to the first position along the rotation axis under the action of the linkage assembly, so as to lower the brush arm relative to the housing; When the rotary drive assembly drives the brush body assembly to rotate along the second direction, the brush body assembly is translated to the second position along the rotation axis under the action of the linkage assembly to retract the brush arm relative to the housing.

2. The side brush mechanism according to claim 1, characterized in that: The linkage assembly includes a threaded rod and a threaded sleeve, the threaded rod is arranged along the rotation axis, the threaded sleeve is sleeved on the outer circumference of the threaded rod and is threadably matched with the threaded rod, and the brush body assembly is connected to the threaded sleeve and rotates synchronously with the threaded sleeve; Wherein, when the brush body assembly and the threaded sleeve rotate along the first direction, the threaded sleeve translates toward the first position under the action of the threaded rod; when the brush body assembly and the threaded sleeve rotate along the second direction, the threaded sleeve translates toward the second position under the action of the threaded rod.

3. The side brush mechanism according to claim 2, characterized in that: The linkage assembly further includes a damping mechanism for providing rotational damping for the threaded rod so that the threaded sleeve rotates relative to the threaded rod.

4. The side brush mechanism according to claim 3, characterized in that: The damping mechanism is a one-way bearing, which is relatively fixed to the housing and sleeved on the outer circumference of the threaded rod; Wherein, when the threaded sleeve rotates along the first direction and the brush body assembly is in the second position, the one-way bearing provides rotational damping for the threaded rod, and the threaded sleeve can rotate relative to the threaded rod, and drive the brush body assembly to translate toward the first position under the action of the threaded rod. After the brush body assembly reaches the first position, the translation of the threaded sleeve is locked, and the threaded sleeve drives the threaded rod to overcome the rotational damping of the one-way bearing and rotate synchronously; when the threaded sleeve rotates along the second direction, the threaded rod is locked by the one-way bearing.

5. The side brush mechanism according to claim 3, characterized in that: The damping mechanism is a braking mechanism, and the braking mechanism is configured to selectively lock the threaded rod.

6. The side brush mechanism according to claim 3, characterized in that: The brush body assembly also includes a cover body, the threaded sleeve is arranged in the cover body, the cover body is provided with a limiting hole, one end of the brush arm is connected to the threaded sleeve and passes through the limiting hole, and the rotation drive assembly is used to drive the cover body to rotate, so as to drive the brush arm and the threaded sleeve to rotate.

7. The side brush mechanism according to claim 6, characterized in that: The brush body assembly also includes an adapter ring, one end of the brush arm is fixedly connected to the adapter ring, and the adapter ring is sleeved on the outer circumference of the threaded sleeve.

8. The side brush mechanism according to claim 7, characterized in that: The brush arm comprises an elastic bending portion and a bristle portion, and two ends of the elastic bending portion are respectively connected to the adapter ring and the bristle portion. When the brush body assembly is in the first position, the elastic bending portion extends out of the cover body through the limiting hole, so that the bristle portion has an extension component along the rotation axis away from the shell. When the brush body assembly is in the second position, at least a portion of the elastic bending portion is recovered into the cover body, so that the bristle portion has an extension component along the rotation axis pointing to the shell.

9. The side brush mechanism according to claim 6, characterized in that: The outer peripheral surface of the cover body is provided with a tooth portion, and the rotation drive assembly includes a drive motor and a transmission gear. The drive motor is transmission-connected to the transmission gear, and the transmission gear is meshed with the tooth portion of the cover body to drive the cover body to rotate.

10. A cleaning device, characterized in that: include: Equipment body; The side brush mechanism according to any one of claims 1 to 9, wherein the side brush mechanism is arranged on the device body.

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