Floor brushes and cleaning equipment

CN224699144UActive Publication Date: 2026-09-01DREAM INNOVATION TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202521158450.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-06
Publication Date
2026-09-01
Estimated Expiration
2035-06-06

AI Technical Summary

Technical Problem

[0003]以洗地机为例,目前洗地机在清洁过程中,普遍存在着贴边清洁效果不佳的问题,特别是前贴边效果差

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to a floor brush and cleaning device. The floor brush includes a brush body, a cleaning component, and an auxiliary cleaning device. The brush body can move forward in a first direction or backward in a second direction on the surface to be cleaned. The cleaning component is connected to the brush body and is used to clean the surface to be cleaned. The auxiliary cleaning device includes a drive assembly and a scraper assembly. The drive assembly is connected to the scraper assembly, and the scraper assembly is located in front of the cleaning component along the first direction. Under the action of the drive assembly, the scraper assembly can switch between at least a suspended position and a cleaning position relative to the surface to be cleaned. When in the suspended position, the scraper assembly forms a second angle with the second direction from its inner side facing the second direction. When in the cleaning position, the scraper assembly forms a first angle with the second direction from its inner side facing the second direction. The second angle is greater than the first angle. The floor brush of this embodiment can better clean along these edges, reducing the area missed by the brush at the front.
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Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment technology, and in particular to a floor brush and cleaning equipment. Background Technology

[0002] Cleaning equipment such as floor scrubbers, electric mops, and combined scrubbers and mops have gained widespread application and attention in the market in recent years.

[0003] Taking floor scrubbers as an example, a common problem with current floor scrubbers is poor edge cleaning performance, especially at the front. For instance, when the front of the brush approaches wall edges, corners, and around furniture, it cannot fully contact and thoroughly clean these areas, leading to the accumulation of dust and dirt and affecting the overall cleaning quality. The dirt accumulated in these missed areas often requires manual cleaning (using brushes, towels, etc.), impacting the user experience of the cleaning equipment. Utility Model Content

[0004] In view of the above problems, this application provides a floor brush and cleaning device.

[0005] To achieve the above objectives, the embodiments of this application provide the following technical solutions: A first aspect of this application provides a floor brush, the floor brush comprising: The floor brush body is capable of moving forward in a first direction or backward in a second direction on the surface to be cleaned; A cleaning component, connected to the floor brush body, is used to clean the surface to be cleaned; An auxiliary cleaning device includes a drive assembly and a scraper assembly, wherein the drive assembly is connected to the scraper assembly, and the scraper assembly is located on the front side of the cleaning component along the first direction; Under the action of the drive component, the scraper assembly can switch between at least a suspended position and a cleaning position relative to the surface to be cleaned. When the scraper assembly is in the suspended position, it maintains a gap with the surface to be cleaned, and the inner side of the scraper assembly facing the second direction forms a second angle with the second direction; The scraper assembly contacts the surface to be cleaned when in the cleaning position, and the scraper assembly forms a first angle with the inner side of the second direction. The second included angle is greater than the first included angle.

[0006] The second included angle α2 is greater than the first included angle α1, meaning that when the scraper assembly is in the cleaning position, it extends towards the front of the floor brush. Based on this, when encountering edge areas such as walls, baseboards, or furniture, the scraper assembly in the cleaning position extends forward, allowing it to better clean these edges, reducing missed areas on the front side of the floor brush, and achieving an ultimate edge-to-edge cleaning effect.

[0007] The second included angle α2 is greater than the first included angle α1, which also means that when the scraper assembly is in the suspended position, it will not protrude at the front end of the floor brush. This means that the floor brush will not be damaged by obstacles or other accidental collisions during its forward movement, which also provides better protection for the drive assembly.

[0008] In the implementation illustrated in this application, the scraper assembly achieves an angle change between its inner side and the second direction by flipping. Specifically, when in the cleaning position, the scraper assembly is flipped towards the first direction (i.e., the front), allowing it to extend the scraping distance towards the front of the brush. When in the suspended position, the scraper assembly is flipped towards the second direction, meaning it flips back to its original position relative to the cleaning position.

[0009] Traditional floor scrubbers (referring to those without a squeegee assembly) typically have a distance of 1cm-2cm, or even greater, between the front and edge areas, leaving these areas untouched by the brush. Adding a squeegee assembly allows the squeegee to scrape away residual water from the brush during the cleaning process, improving cleaning effectiveness. However, some squeegee assemblies rotate from a suspended position to the cleaning position, for example, rotating around the roller brush axis towards the ground. This movement results in the squeegee being far from the brush tip when in the cleaning position. If the squeegee cannot be rotated, a triangular area of ​​dirt will form between the squeegee, the wall, and the floor. In this embodiment, the squeegee's rotation in the first direction compensates for this distance caused by rotation, extending the cleaning reach to the triangular dirt area and ensuring the brush's ability to clean along the edge.

[0010] In summary, by setting up an auxiliary cleaning device in this embodiment, not only can water stains be reduced, but the cleaning effect of the edge can also be improved, significantly reducing the front side missed area. For example, the scraper assembly can reduce the front side missed area width to less than 1mm, such as 0.5mm, or even almost zero edge contact.

[0011] Optionally, the first included angle is less than 90°.

[0012] Provided that the scraper assembly can contact the ground, the smaller the angle between the inner side of the scraper assembly facing the second direction and the second direction, the greater the distance the scraper assembly extends forward, which is more conducive to cleaning the front edge.

[0013] Optionally, the second included angle is greater than or equal to 90°. In the suspended position, the scraper assembly is in an unused state. When the second included angle is greater than or equal to 90°, the scraper assembly will not protrude towards the front end of the floor brush, resulting in a simpler and more integrated appearance of the floor brush. Furthermore, the scraper assembly will not be subject to collisions during the brush's forward movement, thus protecting both the scraper assembly and the drive assembly.

[0014] Optionally, the scraper assembly includes a connecting part and a cleaning part, the cleaning part being able to contact the surface to be cleaned to scrape away dirt from the surface to be cleaned; The connecting part is rotatably connected to the driving assembly, and the cleaning part is connected to the connecting part and rotates with the rotation of the connecting part.

[0015] This method of flipping the scraper assembly is simple in structure and has good reliability.

[0016] Optionally, the hardness of the connecting portion is greater than the hardness of the cleaning portion.

[0017] Higher rigidity connection parts have better resistance to deformation and fatigue, thus ensuring the stability and positional accuracy of the rotational connection with the drive components. Conversely, lower rigidity cleaning parts can deform to better conform to the ground when in contact, resulting in better dirt removal.

[0018] Optionally, the auxiliary cleaning device further includes an elastic element, which is connected to the drive assembly and the scraper assembly respectively; when the scraper assembly is in the suspended position, the elastic element stores energy; the elastic element releases the energy to cause the scraper assembly to flip in the first direction.

[0019] Optionally, the auxiliary cleaning device further includes an elastic element, which is connected to the drive assembly and the scraper assembly respectively; When the scraper assembly is in the suspended position, the elastic element stores energy; the elastic element releases the energy, causing the scraper assembly to flip in the first direction.

[0020] Using an elastic element to power the rotation of the scraper assembly is a simple and low-cost method of achieving rotation.

[0021] Optionally, when the scraper assembly is in the suspended position, the floor brush body abuts against the scraper assembly to cause the scraper assembly to flip and reset in the second direction, and the elastic element stores energy; when the scraper assembly leaves the suspended position, the scraper assembly separates from the floor brush body to cause the elastic element to release energy.

[0022] As the scraper assembly moves away from the ground along with the drive assembly until it contacts the brush body, the reaction force from the brush body causes the scraper assembly to flip and reset in the second direction. When the scraper assembly leaves the suspended position, the reaction force from the brush body is removed, and the scraper assembly flips in the first direction. This method, which uses the brush's own structure as an elastic element to store energy, is simple in structure. When the scraper assembly is in the suspended state, it is "retracted" backward, preventing it from bulging outward at the front of the brush. This reduces the risk of accidental collisions that could damage the scraper assembly and the drive assembly when it is suspended. Furthermore, the scraper assembly flips in the first direction from the moment it leaves the suspended position until it reaches the cleaning position. This means the scraper assembly flips in the first direction during its descent, which, compared to flipping after contact with the surface to be cleaned, not only achieves better edge contact but also prevents dirt from being pushed towards the first direction, thus avoiding dirt accumulation.

[0023] Optionally, the floor brush body includes: The main body, to which the cleaning component is connected; The top cover is located above the cleaning component, and the interior of the top cover forms a clearance space for the movement of the drive assembly; when the scraper assembly is in the suspended position, the top cover abuts against the scraper assembly to allow the elastic element to store energy; when the scraper assembly leaves the suspended position, the scraper assembly separates from the top cover to allow the elastic element to release energy.

[0024] Taking a roller brush as an example, the top cover prevents dirt from being flung onto the ground during the brush's rotation, thus avoiding secondary pollution. With the addition of the scraper assembly, the top cover protects the drive assembly, reducing the impact of dust and dirt from the external environment on its movement and guiding its motion. Furthermore, the top cover triggers the scraper assembly to flip and reset in a second direction, storing energy in the elastic element. Therefore, the top cover integrates multiple functions, improving the utilization of the floor brush space.

[0025] Optionally, the upper cover includes a top cover and a bottom cover, the bottom cover being located below the top cover and above the cleaning component; the clearance space is located between the top cover and the bottom cover; The bottom surface of the top cover is lower than the bottom surface of the bottom cover. During the movement of the scraper assembly away from the surface to be cleaned, the scraper assembly flips back to the second direction by abutting against the top cover, and is at least partially located inside the top cover.

[0026] By shortening the downward extension of the bottom cover, i.e., the bottom surface of the top cover is lower than the bottom surface of the bottom cover, a space is provided to accommodate the scraper assembly to flip and reset in the second direction. In some implementations, the scraper assembly is partially located inside the top cover, meaning that the scraper assembly is partially retracted into the accommodating space. If the accommodating space is high enough, the scraper assembly can be completely retracted into the accommodating space. In this way, in the suspended position, there is more space below the scraper assembly to suck up large particles of dirt, reducing the problem of large particles getting stuck during the floor brush's forward cleaning process.

[0027] Optionally, the elastic element includes a torsion spring.

[0028] The torsion spring has a simple structure, occupies little space, and can be flexibly arranged according to the shape and movement trajectory of the scraper assembly.

[0029] Optionally, the drive assembly includes a drive member, a first transmission member, and a second transmission member. The first transmission member is connected to the drive member and the second transmission member, respectively. The second transmission member is connected to the scraper assembly to drive the scraper assemblies 120-a, 120-b, and 120-c to move relative to the floor brush body. Under the action of the driving component, the first transmission component drives the second transmission component to rotate around the axis of the cleaning component; or, the first transmission component drives the second transmission component to move up and down on the front side of the cleaning component.

[0030] When the second transmission component rotates around the axis of the cleaning component, the flipping of the scraper assembly in the first direction can compensate for the increased distance between the scraper assembly and the front end of the floor brush caused by the rotational motion. The scraper assembly can extend to the triangular dirty area, ensuring the front edge cleaning capability of the floor brush. In addition, the rotation of the second transmission component around the axis of the roller brush also helps to reduce the volume of the front end of the floor brush and reduce the front and rear thickness of the top cover.

[0031] The first transmission component drives the second transmission component to move up and down in front of the cleaning component. When encountering "edge stains" directly in front of the floor brush, the second transmission component can use its up-and-down movement to drive the scraper assembly to descend directly against the wall edge for cleaning, effectively ensuring the cleaning effect of the front edge.

[0032] Optionally, the driving member engages with the second transmission member by driving the first transmission member to rotate; or, the driving member engages with the second transmission member by driving the first transmission member to move in the lateral direction of the cleaning member, wherein the lateral direction is perpendicular to the first direction.

[0033] Based on the foregoing description, the driving component engages with the second driving component by driving the first transmission component to rotate. The first transmission component then drives the second transmission component to rotate around the axis of the cleaning component, allowing the second transmission component to switch the scraper assembly between a suspended position and a cleaning position. The driving component also engages with the second transmission component by driving the first transmission component to move laterally along the cleaning component. The first transmission component then drives the second transmission component to move up and down in front of the cleaning component, allowing the second transmission component to switch the scraper assembly between a suspended position and a cleaning position.

[0034] Optionally, when the driving member drives the first transmission member to rotate in order to cooperate with the second transmission member, the first transmission member includes a cam mechanism or a linkage mechanism.

[0035] Optionally, the floor brush body includes a main body and a top cover, and the cleaning component is connected to the main body; The upper cover and the second transmission component are an integral structure; or, the upper cover and the second transmission component are separate structures, with the second transmission component moving relative to the upper cover.

[0036] When the top cover and the second transmission component are integrated, the top cover, acting as the second transmission component, is connected to both the scraper assembly and the first transmission component. Under the action of the driving component and the first transmission component, the top cover rotates around the axis of the roller brush, facing towards or away from the ground. The scraper assembly switches between a suspended position and a cleaning position as the top cover rotates. In this implementation, the top cover and the second transmission component are combined into one, which can further reduce the volume and thickness of the front end of the roller brush.

[0037] A first aspect of this application provides a cleaning device, the cleaning device comprising: The floor brush described in any of the embodiments of the first aspect; The body is connected to the floor brush; A water tank assembly, comprising a clean water tank and a wastewater tank, wherein the clean water tank is used at least to provide cleaning liquid for wetting the cleaning components, and the wastewater tank is used to store dirt generated by the floor brush during the cleaning process, and the water tank assembly is mounted on the floor brush or the machine body. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the cleaning equipment. Figure 2This is a schematic diagram of the structure of a scraper assembly in the prior art; Figure 3 This is a schematic diagram of the floor brush structure when the scraper assembly is in a suspended position, according to some embodiments of this application; Figure 4 This is a schematic diagram of the floor brush structure when the scraper assembly is in the cleaning position, according to some embodiments of this application; Figure 5 for Figure 3 Side sectional view of the central brush section structure; Figure 6 for Figure 4 Side sectional view of the central brush section structure; Figure 7 This is a schematic diagram illustrating the working state of the floor brush in cleaning edge areas according to some embodiments of this application; Figure 8 for Figure 3 A partial structural diagram of the auxiliary cleaning device for the floor brush; Figure 9 for Figure 8 Enlarged view of point A; Figure 10 The following are schematic diagrams of the scraper assembly in some embodiments of this application; Figure 11 This is a schematic diagram of the floor brush structure when the scraper assembly is in a suspended position, as shown in some other embodiments of this application; Figure 12 This is a schematic diagram of the floor brush structure when the scraper assembly is in the cleaning position, as shown in some other embodiments of this application; Figure 13 This is a schematic diagram of the floor brush structure when the scraper assembly is in the cleaning position, as shown in some embodiments of this application.

[0040] Explanation of reference numerals in the attached figures: 10. Body; 20. Clean water tank; 30. Waste water tank; 40. Suction device; 50. Scraper assembly in the prior art; 60. Furniture; 61. Recessed space; 100-a, 100-b, 100-c, Floor brush; 110, Floor brush body; 111, Main body; 112, Top cover; 1121, Top cover; 1122, Bottom cover; 1123, Receiving space; 120-a, 120-b, 120-c, Scraper assembly; 121, Connecting part; 122, Cleaning part; 130, Cleaning component; 140, Drive assembly; 141-a, 141-b, 141-c, First transmission component; 1411, First arm; 1412, Protruding post; 1413, Second arm; 1414, Support post; 1415, Elongated hole; 1416, First guide block; 1417, Waist-shaped hole; 1418, Guide groove; 142-a, 142-b, 142-c, Second transmission component; 1421, Guide slope; 143, Driving component; 150, Elastic component; 160, Clearance space; 170, Elastic reset component. Detailed Implementation

[0041] To make the technical solution and beneficial effects of this utility model more apparent and understandable, a detailed description is provided below by listing specific embodiments. The accompanying drawings are not necessarily drawn to scale, and local features may be enlarged or reduced to more clearly show the details of the local features; unless otherwise defined, the technical and scientific terms used herein have the same meanings as those in the technical field to which this application pertains.

[0042] In the description of this utility model, the terms "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. In other words, they should not be construed as limitations on this utility model.

[0043] In this invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating the relative importance of the indicated features or the number of indicated technical features. Therefore, a feature specified as "first" or "second" can explicitly include at least one of those features. In the description of this invention, "a plurality of" means at least two, such as two, three, etc.

[0044] In this utility model, unless otherwise explicitly defined, the terms "installation," "connection," "linking," "fixing," and "setting," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; 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 also refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0045] This application embodiment provides a cleaning device, which includes floor brushes 100-a, 100-b, 100-c and a body 10 ( Figure 1 During the cleaning process, the user can hold the device 10 and move the brushes 100-a, 100-b, and 100-c by swinging the device 10. This allows the brushes 100-a, 100-b, and 100-c to rub against the surface to be cleaned, thus cleaning the surface. Surfaces to be cleaned include floors, carpets, walls, and tabletops. See also Figure 3 During the process of moving on the surface to be cleaned, the floor brush 100-a can move forward in a first direction or backward in a second direction on the surface to be cleaned.

[0046] In this embodiment of the application, the first direction and the second direction are directions that are approximately parallel to the surface to be cleaned. The first direction can be understood as forward, and the second direction is backward.

[0047] In a non-limiting sense, cleaning equipment includes, but is not limited to, floor scrubbers, sweeping and mopping machines, and electric mops. For ease of description, the cleaning equipment described below will be based on a floor scrubber, and the surface to be cleaned will be a floor, with the cleaning equipment and floor brush of this application described separately.

[0048] Optionally, the cleaning equipment also includes a water tank assembly, which includes a clean water tank 20 that can store cleaning liquid. The floor brush includes a cleaning component 130 disposed at its bottom. The clean water tank 20 is used to provide cleaning liquid to wet the cleaning component 130, so that the cleaning component 130 can wet the stains on the surface to be cleaned during the cleaning process, reduce the adhesion of the stains, and improve the cleaning effect.

[0049] In the implementation illustrated in this application, the cleaning component 130 is a roller brush, and the number of roller brushes is one. In other implementations, the number of roller brushes may be two, three, or more. The cleaning component 130 may also be a cleaning disc or other forms.

[0050] Depending on the specific usage requirements, the clean water tank 20 can be installed on the main body 10 or on the floor brush.

[0051] In some embodiments, the water tank assembly further includes a wastewater tank 30 for storing dirt generated by the floor brush during the cleaning process; the dirt is generally a solid-liquid mixture. Similarly, the wastewater tank 30 may also be mounted on the body 10 or the floor brush.

[0052] In some embodiments, the cleaning equipment may further include a suction device 40 that provides negative pressure, under which dirt on the surface to be cleaned is drawn into a wastewater tank 30. For example, the suction device 40 includes an impeller and a motor, the motor driving the impeller to rotate to generate negative pressure suction.

[0053] Generally, the floor brush has a suction chamber with an opening and a suction channel connecting the suction chamber and the wastewater tank 30. The suction device 40 draws dirt from the floor through the opening of the suction chamber and through the suction channel to the wastewater tank 30. The aforementioned cleaning component 130 may be at least partially inside the suction chamber.

[0054] Some cleaning devices have an auxiliary cleaning device on the front of the cleaning component 130. This auxiliary cleaning device includes a drive assembly 140 and scraper assemblies 120-a, 120-b, and 120-c. The drive assembly 140 drives the scraper assemblies 120-a, 120-b, and 120-c to move closer to or further away from the ground. During cleaning, the cleaning component 130 can clean most of the dirt on the ground. If stubborn stains or residual water are encountered, the scraper assemblies 120-a, 120-b, and 120-c can be adjusted to a cleaning position to assist in cleaning stubborn stains or small amounts of residual water. Specifically, when the cleaning device is pushed forward, the scraper assemblies 120-a, 120-b, and 120-c move to a suspended position to prevent them from obstructing the removal of dirt from the ground. When the cleaning device is pulled back or the floor brush is stationary (the floor brush does not move, but the roller brush rotates), the scraper assemblies 120-a, 120-b, and 120-c can move to the cleaning position, allowing them to scrape or wipe away dirt from the ground, thereby improving the cleaning effect.

[0055] Traditional floor scrubbers (referring to floor scrubbers without squeegee components) typically have a distance of 1cm-2cm or even greater between the front and edge areas, which are areas that the floor brush cannot clean.

[0056] After installing a squeegee assembly, the contact between the squeegee assembly and the ground can remove water stains left over from the subsequent cleaning process, improving the cleaning effect. However, some squeegee assemblies move from the suspended position to the cleaning position by rotating, such as rotating the squeegee assembly around the axis of the roller brush towards the ground. This type of movement causes the squeegee assembly to be far from the front of the floor brush when it is in the cleaning position, forming a triangular dirty area between the squeegee assembly, the wall, and the floor.

[0057] Furthermore, the drive assembly 140 located at the front of the floor brush tends to result in a larger front volume of the floor brush, and the scraper assembly also needs to extend forward as much as possible so that the front side of the scraper assembly and the top cover 112 of the floor brush (see...) Figure 3 Also known as the viewing window cover, located above the cleaning component 130, the front side is roughly flush with the front edge to ensure optimal front edge cleaning. In this case, the front and rear width of the squeegee assembly is also larger (see...). Figure 2 (as in the existing scraper assembly 50). Therefore, both the drive assembly 140 and the scraper assembly result in an increase in the volume of the front side of the floor brush.

[0058] Based on this, one inventive concept of this application is: when the scraper assemblies 120-a, 120-b, and 120-c are in the cleaning position, the angle change between the inner side of the scraper assembly and the second direction is used to achieve the ultimate edge cleaning of the floor brush, thereby reducing the missed area of ​​the front side of the floor brush.

[0059] In order to realize the above-mentioned inventive concept of this application, based on the foregoing content, and in conjunction with the appendix... Figures 3 to 13 The embodiments of this application will be further described.

[0060] See Figure 3 The floor brush 100-a provided in this application embodiment includes a floor brush body 110, a cleaning component 130, and an auxiliary cleaning device. The floor brush body 110 is capable of moving forward in a first direction or backward in a second direction on the surface to be cleaned. The cleaning component 130 is connected to the floor brush body 110 and is used to clean the surface to be cleaned. The auxiliary cleaning device includes a drive assembly 140 and a scraper assembly 120-a. The drive assembly 140 is connected to the scraper assembly 120-a, and the scraper assembly 120-a is located in front of the cleaning component 130 along the first direction. Under the action of the drive assembly 140, the scraper assembly 120-a can move forward at least [distance] on the surface to be cleaned. Figure 3 and Figure 5 The suspended position shown and Figure 4 and Figure 6When switching between the cleaning positions shown, the scraper assembly 120-a maintains a gap with the surface to be cleaned when it is in the suspended position; and the inner side of the scraper assembly 120-a facing the second direction forms a second angle α2 with the second direction; when the scraper assembly 120-a is in the cleaning position, it contacts the surface to be cleaned, and the inner side of the scraper assembly 120-a facing the second direction forms a first angle α1 with the second direction, and the second angle α2 is greater than the first angle α1.

[0061] The second included angle α2 is greater than the first included angle α1, meaning that when the scraper assembly 120-a is in the cleaning position, it extends towards the front end of the floor brush. Based on this, when encountering edges such as walls, baseboards, or furniture, the scraper assembly 120-a in the cleaning position extends forward, allowing it to better clean these edges, reducing missed areas on the front side of the floor brush 100-a, and achieving an ultimate front-edge cleaning effect.

[0062] The second included angle α2 is greater than the first included angle α1, which also means that when the scraper assembly 120-a is in the suspended position, it will not protrude at the front end of the floor brush. In this way, the floor brush will not be damaged by obstacles or other accidental collisions during its forward movement, which also provides better protection for the drive assembly 140.

[0063] In the implementation illustrated in this application, the scraper assembly 120-a achieves an angle change between its inner side facing the second direction and the second direction by flipping. Specifically, the scraper assembly 120-a... Figure 4 and Figure 6 When in the cleaning position shown, it is in a flipped-up state facing the first direction (i.e., front), and the scraper assembly 120-a can extend the scraping distance towards the front of the floor brush 100-a. The scraper assembly 120-a is in... Figure 3 and Figure 5 When it is in the suspended position shown, it is in a state of flipping in the second direction, that is, the scraper assembly 120-a will flip and reset relative to the cleaning position. When the scraper assembly 120-a is in the suspended position, the space occupied by the scraper assembly 120-a in the front and back directions is reduced, which helps to reduce the thickness of the front side of the cleaning part 130.

[0064] In the embodiments of this application, see Figure 3 and Figure 5 "Suspended position" refers to the position where the scraper assembly 120-a can be at the furthest distance from the surface to be cleaned, and it is also the highest limit position at which the scraper assembly 120-a can be lifted by the drive assembly 140.

[0065] After installing the aforementioned scraper assembly 120-a, the contact between the scraper assembly 120-a and the ground can remove water stains remaining after the cleaning process, improving the cleaning effect. However, some scraper assemblies 120-a move from the suspended position to the cleaning position by rotation, such as rotating around the axis of the roller brush towards the ground. This movement means that when the scraper assembly 120-a is in the cleaning position, it is far from the front end of the floor brush 100-a. If the scraper assembly 120-a cannot be flipped, a triangular dirty area will be formed between the scraper assembly 120-a, the wall, and the ground. In this embodiment, the flipping of the scraper assembly 120-a in the first direction can compensate for the distance caused by this rotational movement, extending to the triangular dirty area and ensuring the front edge cleaning ability of the floor brush 100-a.

[0066] In existing technologies, the scraper assembly extends towards the front of the floor brush by increasing its width in the front-to-back direction, thereby ensuring the cleaning effect of the front edge. However, this method leads to an increased gap between the scraper assembly and the roller brush, resulting in dirt accumulation in the gap and making the floor brush assembly bulky. In the embodiment of this application, since the scraper assembly 120-a expands its forward scraping distance by flipping, the width of the scraper assembly 120-a in the front-to-back direction can be narrower than that of existing scraper assemblies. This not only avoids dirt accumulation between the scraper assembly 120-a and the roller brush, but also makes the movement of the scraper assembly 120-a more flexible.

[0067] When the scraper assembly 120-a is in the flipped-up position in the first direction, the front side of the scraper assembly 120-a can be approximately flush with or extend beyond the front end of the floor brush 100-a. Here, the front end of the floor brush 100-a can refer to... Figure 3 and Figure 4 The front side of the top cover 112 (mentioned below) is shown.

[0068] For some special scenarios, see Figure 7 For example, some furniture 60 has protruding cabinet doors or low legs, creating a small recessed space 61 between the furniture and the ground. This recessed space 61 is difficult to clean and is considered a hard-to-reach area. By utilizing the flip-up feature of the scraper assembly 120-a, it can extend forward from the front end of the floor brush 100-a when cleaning. This way, even if the cleaning component is blocked from entering the recessed space 61, the flipped scraper assembly 120-a can still reach into the recessed space 61 to clean, reducing hard-to-reach areas and further improving cleaning effectiveness.

[0069] In some alternative embodiments, when the scraper assembly 120-a is in the cleaning position, see [reference needed]. Figure 6The angle between the inner side of the scraper assembly 120-a facing the second direction and the second direction is less than 90°. It can be understood that, provided that the scraper assembly 120-a can contact the ground, the greater the angle between the inner side of the scraper assembly 120-a facing the second direction and the second direction, and the greater the distance that the scraper assembly 120-a extends forward, the more beneficial it is for cleaning the front edge.

[0070] The angle between the inner side of the scraper assembly 120-a facing the second direction and the second direction can be any value of 85°, 80°, 70°, 50° or within any two values. However, it is not limited to this.

[0071] In some alternative embodiments, when the scraper assembly 120-a is in the suspended position, see [reference needed]. Figure 5 The angle between the inner side of the scraper assembly 120-a facing the second direction and the second direction is greater than or equal to 90°. In the suspended position, the scraper assembly 120-a is in an unused state. When the angle between the inner side of the scraper assembly 120-a facing the second direction and the second direction is greater than or equal to 90°, the scraper assembly 120-a will not protrude towards the front end of the floor brush 100-a. This not only makes the floor brush 100-a look simpler and more integrated, but also prevents the scraper assembly 120-a from being impacted during the forward movement of the floor brush 100-a, thus protecting the scraper assembly 120-a and the drive assembly 140.

[0072] Figure 5 In the middle, the angle between the inner side of the scraper assembly 120-a facing the second direction and the second direction is approximately 90°.

[0073] In some alternative embodiments, see Figure 9 and Figure 10 The scraper assembly 120-a includes a connecting portion 121 and a cleaning portion 122. The cleaning portion 122 can contact the surface to be cleaned to scrape away dirt. The connecting portion 121 is rotatably connected to the drive assembly 140, and the cleaning portion 122 is connected to the connecting portion 121 and rotates with the rotation of the connecting portion 121. This method of flipping the scraper assembly 120-a has a simple structure and good reliability.

[0074] exist Figure 6 In the implementation shown, when the connecting part 121 rotates relative to the driving assembly 140 in the first direction, it drives the cleaning part 122 to rotate in the first direction, thereby realizing the flipping of the scraper assembly 120-a in the first direction.

[0075] The cleaning part 122 is detachably connected to the connecting part 121, or the cleaning part 122 is fixedly connected to the connecting part 121.

[0076] In some alternative embodiments, the hardness of the connecting portion 121 is greater than that of the cleaning portion 122. The harder connecting portion 121 has better resistance to deformation and fatigue, thereby ensuring the stability and positional accuracy of the rotational connection with the drive assembly 140. The softer cleaning portion 122, when in contact with the ground, can better conform to the ground through deformation, and has a better ability to scrape away dirt from the ground.

[0077] For example, the cleaning part 122 may be a soft, elastic material such as natural rubber or synthetic rubber.

[0078] In some alternative embodiments, see Figure 9 and Figure 10 The auxiliary cleaning device also includes an elastic element 150, which is connected to both the drive assembly 140 and the scraper assembly 120-a. When the scraper assembly 120-a is in a suspended position, the elastic element 150 stores energy. The elastic element 150 releases this energy to cause the scraper assembly 120-a to flip in a first direction. Using the elastic element 150 to power the flipping of the scraper assembly 120-a results in a simple and low-cost method of achieving the flipping mechanism.

[0079] The number of elastic elements 150 can be one, two or more. Figure 10 In the implementation shown, the number of elastic elements 150 is two. When the number of elastic elements 150 is at least two, at least two elastic elements 150 are distributed in the lateral direction. Lateral direction (see...) Figure 8 Parallel to the surface to be cleaned and perpendicular to the first direction, also referring to the left and right directions relative to the user.

[0080] In this embodiment, the scraper assembly 120-a is arranged in the lateral direction, and its lateral extension length is approximately equal to the lateral length of the cleaning component 130, or even slightly longer than the lateral length of the cleaning component 130.

[0081] In some alternative embodiments, see Figure 10 The elastic element 150 includes a torsion spring. The torsion spring has a simple structure, occupies little space, and can be flexibly arranged according to the shape and movement trajectory of the scraper assembly 120-a.

[0082] Combination Figure 9 and Figure 10The scraper assembly 120-a has a rotating shaft at each of its two transverse ends on the connecting portion 121. Each rotating shaft is fitted with a torsion spring. The two ends of the rotating shaft are connected to the drive assembly 140 and the connecting portion 121, respectively, and the two ends of the torsion spring are connected to the drive assembly 140 and the connecting portion 121, respectively. Under the action of an external force, the scraper assembly 120-a flips in the second direction to allow the torsion spring to store energy. When the external force is removed, the torsion spring releases energy to drive the scraper assembly 120-a to flip in the first direction. Because the torsion spring is elastic, the scraper assembly 120-a can switch between the state of flipping in the first direction and the state of flipping in the second direction multiple times.

[0083] In some alternative embodiments, when the scraper assembly 120-a is in the suspended position, the floor brush body 110 abuts against the scraper assembly 120-a, causing the scraper assembly 120-a to flip and reset in the second direction, and the elastic element 150 stores energy; when the scraper assembly 120-a leaves the suspended position, the scraper assembly 120-a separates from the floor brush body 110, so that the elastic element 150 releases energy.

[0084] When the scraper assembly 120-a moves away from the ground along with the drive assembly 140 and comes into contact with the brush body 110, the reaction force of the brush body 110 on the scraper assembly 120-a causes the scraper assembly 120-a to flip and reset in the second direction. When the scraper assembly 120-a leaves the suspended position, the reaction force of the brush body 110 on the scraper assembly 120-a is removed, and the scraper assembly 120-a flips in the first direction. This method of storing energy for the elastic element 150 by utilizing the structure of the brush 100-a itself is simple in structure. It also ensures that when the scraper assembly 120-a is in the suspended state, the scraper assembly 120-a is "folded" backward, and the scraper assembly 120-a no longer bulges outward from the front end of the brush 100-a. This can reduce the risk of accidental collision damage to itself and the drive assembly 140 caused by the scraper assembly 120-a bulging outward when in the suspended position.

[0085] In the above implementation, the flipping of the scraper assembly 120-a is achieved passively. In other implementations, a drive mechanism can be configured for the scraper assembly 120-a, which actively drives the scraper assembly to flip using the driving force provided by the drive mechanism. This drive mechanism includes, but is not limited to, a motor and a transmission mechanism, with the transmission mechanism connecting the motor and the scraper assembly respectively. In this implementation, the scraper assembly can flip in the first direction at any position during descent, or flip and reset in the second direction at any position during ascent.

[0086] In some alternative embodiments, see Figure 5 and Figure 9The floor brush body 110 includes a main body 111 and a top cover 112. The cleaning component 130 is connected to the main body 111. The top cover 112 is located above the cleaning component 130, and a clearance space 160 is formed inside the top cover 112 for the drive component 140 to move. When the scraper assembly 120-a is in the suspended position, the top cover 112 abuts against the scraper assembly 120-a so that the elastic element 150 stores energy. When the scraper assembly 120-a leaves the suspended position, the scraper assembly 120-a separates from the top cover 112 so that the elastic element 150 releases energy.

[0087] Taking the roller brush as an example, the upper cover 112 of the cleaning component 130 prevents dirt from being flung onto the ground during the rotation of the roller brush, thus avoiding secondary pollution. After the scraper assembly 120-a is installed, the upper cover 112 protects the drive assembly 140, reducing the entry of dust and dirt from the external environment into the clearance space 160 and affecting the movement of the drive assembly 140. It also guides the movement of the drive assembly 140. In addition, the upper cover 112 triggers the scraper assembly 120-a to flip and reset in the second direction, allowing the elastic element 150 to store energy. Therefore, the upper cover 112 integrates multiple functions, improving the utilization rate of the space occupied by the floor brush 100-a.

[0088] In some alternative embodiments, see Figure 5 The upper cover 112 includes a top cover 1121 and a bottom cover 1122. The bottom cover 1122 is located below the top cover 1121 and above the cleaning component 130. The clearance space 160 is located between the top cover 1121 and the bottom cover 1122. The bottom surface of the top cover 1121 is lower than the bottom surface of the bottom cover 1122. During the movement of the scraper assembly 120-a away from the surface to be cleaned, the scraper assembly 120-a is rotated and reset in the second direction by abutting against the top cover 1121, and is at least partially located inside the top cover 1121.

[0089] By shortening the downward extension of the bottom cover 1122, i.e., the bottom surface of the top cover 1121 is lower than the bottom surface of the bottom cover 1122, a receiving space 1123 is provided for the scraper assembly 120-a to flip and reset in the second direction. Figure 5 In the illustrated implementation, the scraper assembly 120-a is partially located inside the top cover 1121, meaning that the scraper assembly 120-a is partially retracted into the receiving space 1123. If the receiving space is high enough, the scraper assembly 120-a can be completely retracted into the receiving space 1123. Thus, in the suspended position, there is more space below the scraper assembly 120-a to suck up large particles of dirt, reducing the problem of large particles of dirt getting stuck during the forward cleaning process of the floor brush 100-a.

[0090] The accommodating space 1123 is connected to the aforementioned avoidance space 160, and is a downward extension of the avoidance space 160.

[0091] During the movement of the scraper assembly 120-a from the cleaning position to the suspended position, the vertical projection of the connecting part 121 of the scraper assembly 120-a on the horizontal plane is within the vertical projection range of the top cover 1121 on the horizontal plane. Thus, when the scraper assembly 120-a moves away from the ground to the suspended position, the top cover 1121 can be located on the front side of the top of the scraper assembly 120-a, ensuring that the top cover 1121 can apply a resisting force to the scraper assembly 120-a. The scraper assembly 120-a can be flipped and reset in the second direction, and the elastic member 150 stores energy.

[0092] In some implementations, see Figure 8 The drive assembly 140 includes a drive member 143, a first transmission member 141-a, and a second transmission member 142-a. The first transmission member 141-a is connected to the drive member 143 and the second transmission member 142-a respectively. The second transmission member 142-a is connected to the scraper assembly 120-a to drive the scraper assembly 120-a to move relative to the brush body 110. Under the action of the drive member 143, the first transmission member 141-a drives the second transmission member 142-a to rotate around the axis of the cleaning member 130.

[0093] contrast Figure 5 and Figure 6 Because the second transmission component 142-a rotates around the axis of the cleaning component 130, during the process of the second transmission component 142-a driving the scraper assembly 120-a to switch from the suspended position to the cleaning position, the scraper assembly 120-a will gradually move away from the front end of the floor brush 100-a. That is to say, when in the cleaning position, the scraper assembly 120-a is farther away from the front end of the floor brush 100-a. If the scraper assembly 120-a cannot be rotated, a triangular dirt area will be formed between the scraper assembly 120-a, the wall, and the floor. In this embodiment, the rotation of the scraper assembly 120-a in the first direction can compensate for the distance caused by this rotational movement, extending to the triangular dirt area and ensuring the front edge cleaning ability of the floor brush 100-a.

[0094] Furthermore, the rotation of the second transmission component 142-a around the axis of the roller brush also helps to reduce the volume of the front end of the floor brush 100-a and reduce the front and rear thickness of the upper cover 112. Specifically, see... Figure 8 The first transmission member 141-a and the driving member 143 are both located behind the second transmission member 142-a, and the second transmission member 142-a can move within the clearance space 160. Under the action of the driving member 143 and the first transmission member 141-a, see... Figure 5When the second transmission member 142-a moves into the clearance space 160, the scraper assembly 120-a is in a suspended position; after the second transmission member 142-a extends out of the clearance space 160, the scraper assembly 120-a can reach the cleaning position. In this case, neither the first transmission member 141-a nor the drive member 143 needs to occupy space on the front side of the roller brush. The shapes of the top cover 112, the second transmission member 142-a, and the clearance space 160 are all arc-shaped, roughly matching the outer periphery of the roller brush. This layout can reduce the thickness and volume of the front side of the roller brush. Based on the foregoing description, the rotatable scraper assembly 120-a is narrower, and the clearance space 160 does not need to increase its thickness to accommodate the scraper assembly 120-a, thus further reducing the thickness and volume of the front side of the roller brush.

[0095] In other implementations, see Figure 13 The first transmission component 141-a drives the second transmission component 142-a to move up and down in front of the cleaning component 130. When encountering "edge stains" directly in front of the floor brush 100-a, the second transmission component 142-a can use its up-and-down movement to drive the scraper assembly 120-a to descend directly against the wall edge for cleaning, effectively ensuring the cleaning effect of the front edge. Combined with the foregoing description and the flip-up function of the scraper assembly 120-a, this implementation method is more suitable for... Figure 7 The cleaning process shown in the diagram meets users' needs for deep cleaning.

[0096] The cooperation methods between the first transmission component 141-a and the second transmission component 142-a include, but are not limited to: see Figure 6 and Figure 11 As shown, the driving member 143 drives the first transmission member 141-a to rotate so as to cooperate with the second transmission member 142-a; or, see [link to diagram]. Figure 13 As shown, the drive member 143 drives the first transmission member 141-a to move in the lateral direction of the cleaning member 130 to cooperate with the second transmission member 142-a.

[0097] Based on the foregoing description, the driving member 143 engages with the second transmission member 142-a by driving the first transmission member 141-a to rotate. The first transmission member 141-a drives the second transmission member 142-a to rotate around the axis of the cleaning member 130, thereby causing the second transmission member 142-a to switch the scraper assembly 120-a between a suspended position and a cleaning position. The driving member 143 also engages with the second transmission member 142-a by driving the first transmission member 141-a to move laterally along the cleaning member 130. The first transmission member 141-a then drives the second transmission member 142-a to move up and down in front of the cleaning member 130, thereby causing the second transmission member 142-a to switch the scraper assembly 120-a between a suspended position and a cleaning position.

[0098] exist Figure 6In the illustrated implementation, the driving component 143 is a motor, and the first transmission component 141-a includes a linkage mechanism. The linkage mechanism includes a first arm 1411, a second arm 1413, and a support column 1414. One end of the first arm 1411 is connected to the output shaft of the motor, and the other end of the first arm 1411 is rotatably connected to one end of the second arm 1413. The other end of the second arm 1413 abuts against the guide inclined surface 1421 of the second driving component 143. The support column 1414 is mounted on the brush body 110 and located between the two ends of the second arm 1413. The second arm 1413 can rotate around the axis of the support column 1414, which ensures the stability of the second arm 1413 during rotation. When the motor is working, it drives the first arm 1411 to rotate clockwise. The first arm 1411 drives the second arm 1413 to rotate counterclockwise around the support column 1414. During the rotation, the second arm 1413 moves forward along the guide slope 1421. Under the action of the force component acting on the guide slope 1421, the second transmission component 142-a rotates around the axis of the roller brush facing away from the ground, and drives the scraper assembly 120-a to move to the desired position. Figure 8 The suspended position is shown. Similarly, when the motor rotates in the opposite direction, the motor drives the first arm 1411 to rotate counterclockwise, and the first arm 1411 drives the second arm 1413 to rotate clockwise around the support column 1414. During the rotation, the second arm 1413 moves backward along the guide slope 1421. Under the action of the component force acting on the guide slope 1421, the second transmission component 142-a rotates around the axis of the roller brush toward the ground and drives the scraper assembly 120-a to move to the cleaning position.

[0099] In addition, the other end of the first arm 1411 is provided with a protruding post, and one end of the second arm 1413 is provided with an elongated hole 1415. The protruding post 1412 is inserted into the elongated hole 1415 and can move within the elongated hole 1415. Since the position of the support column 1414 is fixed, the cooperation between the protruding post 1412 and the elongated hole 1415 can accommodate the change in distance between the first arm 1411 and the support column 1414 during rotation.

[0100] exist Figure 11 and Figure 12 In the floor brush 100-b shown, the first transmission member 141-b includes a cam mechanism, and the driving member 143 is a motor. During the process of the motor driving the cam mechanism's convex part to rotate towards the second transmission member 142-b, the cam mechanism pushes the second transmission member 142-b to rotate around the brush axis towards the ground. The scraper assembly 120-b can move with the second transmission member 142-b to... Figure 12The cleaning position is shown. Conversely, during the rotation of the cam mechanism driven by the motor away from the second transmission member 142-b, the cam mechanism moves away from the second transmission member 142-b and has a gap between them. At this time, the elastic reset member 170, such as a spring or sheet, can be used to drive the second transmission member 142-b to move away from the ground. The scraper assembly 120-b moves to the ground along with the reset of the second transmission member 142-b. Figure 11 The suspended position is shown. To reduce the thickness and volume of the front side of the roller brush, the drive component and at least part of the first transmission component 141-b are located behind the roller brush.

[0101] exist Figure 13 In the floor brush 100-c shown, the driving component is a motor. The rotational force output by the motor is connected to the waist-shaped hole 1417 on the first transmission component 141-c through the first guide block 1416 on the swing arm. The first guide block 1416 can move within the waist-shaped hole 1417. Through this design, the force of the first guide block 1416 in the lateral direction can be transmitted to the first transmission component 141-c, thereby realizing that the rotational force output by the motor is converted into driving the first transmission component 141-c to move in the lateral direction only.

[0102] To convert the lateral movement of the first transmission component 141-c into the vertical lifting motion of the second transmission component 142-c, one of the first transmission component 141-c and the second transmission component 142-c is provided with a guide groove 1418, and the other is provided with a second guide block. Specifically, see... Figure 13 A guide groove 1418 is provided on the first transmission member 141-c. Correspondingly, a second guide block is provided on the side of the second transmission member 142-c facing the first transmission member 141-c. The second guide block is slidably disposed on the guide groove 1418. At least a portion of the extension direction of the guide groove 1418 forms an angle with the lateral length direction of the cleaning member 130. That is, through the inclined guide groove 1418, during the lateral movement of the first transmission member 141-c, the groove wall of the guide groove 1418 pushes against the second guide block to move up and down along the guide groove 1418, thereby driving the entire first transmission member 141-c and the scraper assembly 120-c to achieve up and down movement.

[0103] In some alternative embodiments, the cleaning component 130 is connected to the main body 111, and the aforementioned upper cover 112 and the second transmission component 142-a are separate structures, with the second transmission component 142-a moving relative to the upper cover 112. See also Figure 5 An obstacle clearance space 160 is formed inside the upper cover 112, and the second transmission member 142-a can move within the obstacle clearance space 160.

[0104] In some implementations, the upper cover 112 and the second transmission member 142-a are an integral structure. That is, the upper cover 112, as the second transmission member 142-a, is connected to the scraper assembly 120-a and the first transmission member 141-a respectively. Under the action of the driving member 143 and the first transmission member 141-a, the upper cover 112 rotates around the axis of the roller brush toward or away from the surface to be cleaned. The scraper assembly 120-a switches between a suspended position and a cleaning position as the upper cover 112 rotates. Further, in a specific example, the scraper assembly 120-a can be in contact with the surface to be cleaned in the cleaning position and is in a state of being flipped toward the first direction. In another specific example, the scraper assembly 120-a can be in contact with the surface to be cleaned in the cleaning position and maintain the same state as when it is in the suspended position. That is, the angle between the inner side of the scraper assembly 120-a facing the second direction and the second direction in the cleaning position is equal to the angle between the inner side of the scraper assembly 120-a facing the second direction and the second direction in the suspended position. In this embodiment, the state of the scraper assembly 120-a during the rising and falling processes is not specifically limited.

[0105] In this implementation, the upper cover 112 and the second transmission component 142-a are integrated, which can further reduce the volume and thickness of the front end of the roller brush. The various embodiments or implementation methods in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably.

[0106] In the description of this specification, references to "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0107] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A floor brush, characterized in that, The floor brush includes: The floor brush body is capable of moving forward in a first direction or backward in a second direction on the surface to be cleaned; A cleaning component, connected to the floor brush body, is used to clean the surface to be cleaned; An auxiliary cleaning device includes a drive assembly and a scraper assembly, wherein the drive assembly is connected to the scraper assembly, and the scraper assembly is located on the front side of the cleaning component along the first direction; Under the action of the drive component, the scraper assembly can switch between at least a suspended position and a cleaning position relative to the surface to be cleaned; When the scraper assembly is in the suspended position, it maintains a gap with the surface to be cleaned, and the inner side of the scraper assembly facing the second direction forms a second angle with the second direction; The scraper assembly contacts the surface to be cleaned when in the cleaning position, and the scraper assembly forms a first angle with the inner side of the second direction. The second included angle is greater than the first included angle.

2. The floor brush according to claim 1, characterized in that, The first included angle is less than 90°.

3. The floor brush according to claim 1, characterized in that, The second included angle is greater than or equal to 90°.

4. The floor brush according to claim 1, characterized in that, The scraper assembly includes a connecting part and a cleaning part, the cleaning part being able to contact the surface to be cleaned to scrape away dirt from the surface to be cleaned; The connecting part is rotatably connected to the driving assembly, and the cleaning part is connected to the connecting part and rotates with the rotation of the connecting part.

5. The floor brush according to claim 4, characterized in that, The hardness of the connecting part is greater than the hardness of the cleaning part.

6. The floor brush according to any one of claims 1 to 5, characterized in that, The auxiliary cleaning device also includes an elastic element, which is connected to the drive assembly and the scraper assembly respectively. When the scraper assembly is in the suspended position, the elastic element stores energy; The elastic element releases energy, causing the scraper assembly to flip in the first direction.

7. The floor brush according to claim 6, characterized in that, When the scraper assembly is in the suspended position, the floor brush body abuts against the scraper assembly, causing the scraper assembly to flip and reset in the second direction, and the elastic element stores energy; when the scraper assembly leaves the suspended position, the scraper assembly separates from the floor brush body, causing the elastic element to release energy.

8. The floor brush according to claim 7, characterized in that, The floor brush body includes: The main body, to which the cleaning component is connected; The top cover is located above the cleaning component, and the interior of the top cover forms a clearance space for the movement of the drive assembly; when the scraper assembly is in the suspended position, the top cover abuts against the scraper assembly to allow the elastic element to store energy; when the scraper assembly leaves the suspended position, the scraper assembly separates from the top cover to allow the elastic element to release energy.

9. The floor brush according to claim 8, characterized in that, The upper cover includes a top cover and a bottom cover, the bottom cover being located below the top cover and above the cleaning component; the clearance space is located between the top cover and the bottom cover; The bottom surface of the top cover is lower than the bottom surface of the bottom cover. During the movement of the scraper assembly away from the surface to be cleaned, the scraper assembly flips back to the second direction by abutting against the top cover, and is at least partially located inside the top cover.

10. The floor brush according to claim 8, characterized in that, The elastic element includes a torsion spring.

11. The floor brush according to claim 1, characterized in that, The drive assembly includes a drive component, a first transmission component, and a second transmission component. The first transmission component is connected to the drive component and the second transmission component, respectively. The second transmission component is connected to the scraper assembly to drive the scraper assembly to move relative to the floor brush body. Under the action of the driving component, the first transmission component drives the second transmission component to rotate around the axis of the cleaning component; or, the first transmission component drives the second transmission component to move up and down on the front side of the cleaning component.

12. The floor brush according to claim 11, characterized in that, The driving member engages with the second transmission member by driving the first transmission member to rotate; or, the driving member engages with the second transmission member by driving the first transmission member to move in the lateral direction of the cleaning member, wherein the lateral direction is perpendicular to the first direction.

13. The floor brush according to claim 12, characterized in that, When the driving member drives the first transmission member to rotate in order to cooperate with the second transmission member, the first transmission member includes a cam mechanism or a linkage mechanism.

14. The floor brush according to claim 11, characterized in that, The floor brush body includes a main body and a top cover, and the cleaning component is connected to the main body; The upper cover and the second transmission component are an integral structure; or, the upper cover and the second transmission component are separate structures, with the second transmission component moving relative to the upper cover.

15. A cleaning device, characterized in that, The cleaning equipment includes: The floor brush according to any one of claims 1 to 14; The body is connected to the floor brush; A water tank assembly, comprising a clean water tank and a wastewater tank, wherein the clean water tank is used at least to provide cleaning liquid for wetting the cleaning components, and the wastewater tank is used to store dirt generated by the floor brush during the cleaning process, and the water tank assembly is mounted on the floor brush or the machine body.