Cleaning device

Abstract

The utility model provides cleaning equipment, and relates to the technical field of cleaning products. The cleaning equipment comprises an equipment body, a rolling brush assembly and fan blades, the equipment body is provided with a rolling brush cavity and an air suction opening, and the air suction opening communicates with the rolling brush cavity; the rolling brush assembly is located in the rolling brush cavity and rotationally arranged in the length direction of the rolling brush cavity, the air suction opening is opposite to the side wall of the rolling brush assembly, and the fan blades are rotationally arranged at the end in the length direction of the rolling brush cavity and configured to generate airflow blowing from the end in the length direction of the rolling brush cavity to the air suction opening. The hair and dust particles brought up by the rolling brush assembly are blown from the end of the rolling brush cavity to the air suction opening, so that the hair and dust particles far away from the air suction opening area can be sucked into the air suction opening, the hair and dust particles are prevented from remaining on a cleaned surface, the cleaning effect is improved, and the cleaning efficiency is improved.

Description

Technical Field

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

[0002] Cleaning devices such as mite removers, vacuum cleaners, and robotic vacuum cleaners are commonly used in households. Vacuum cleaners and robotic vacuum cleaners can clean floors, while mite removers can remove dust and worms from surfaces such as mattresses and leather.

[0003] In related technologies, cleaning equipment typically includes a housing and a fan unit installed inside the housing. The airflow generated by the fan unit creates suction at the air inlet of the housing. A roller brush can be installed at the position corresponding to the air inlet. When the roller brush rolls, it rubs or pats the surface being cleaned, thereby picking up dust and hair. The dust and hair are then sucked into the equipment through the suction of the air inlet, thus achieving the cleaning function.

[0004] However, the current cleaning equipment has a limited air intake coverage area. During the cleaning process, some hair and dust particles cannot be sucked into the air intake and remain on the surface being cleaned, resulting in poor cleaning effect. Utility Model Content

[0005] This application provides a cleaning device to solve the technical problem that the air intake of current cleaning devices has a limited coverage area, and hair and dust particles cannot be sucked into the air intake during the cleaning process, remaining on the surface being cleaned, resulting in poor cleaning effect.

[0006] This application provides a cleaning device, which includes a device body, a roller brush assembly and a fan blade. The device body has a roller brush cavity and an air inlet, and the air inlet is connected to the roller brush cavity. The roller brush assembly is located inside the roller brush cavity and is rotatably arranged along the length of the roller brush cavity.

[0007] The air intake is opposite to the side wall of the roller brush assembly, and the fan blade is rotatably disposed at the end of the roller brush cavity along its length. The fan blade is configured to generate airflow from the end of the roller brush cavity along its length toward the air intake.

[0008] The cleaning device provided in this application has fan blades installed in the roller brush chamber. During the cleaning process, the fan blades can generate airflow by rotating, which blows the hair and dust particles carried by the roller brush assembly from the end of the roller brush chamber towards the air intake. This allows hair and dust particles far away from the air intake area to be sucked into the air intake, preventing hair and dust particles from remaining on the surface being cleaned, improving the cleaning effect and increasing the cleaning efficiency.

[0009] As an optional implementation, the fan blades and the roller brush assembly are coaxially connected so that the fan blades and the roller brush assembly rotate synchronously.

[0010] With this configuration, the fan blades can rotate synchronously to generate airflow while the roller brush assembly is rotating for cleaning, providing power to the fan blades without the need for a new drive source, and ensuring the synchronization of the cleaning process.

[0011] As an alternative implementation, the roller brush assembly may include a roller and an end cap, the end cap having a ventilation hole extending through the axial direction of the roller brush assembly, and the fan blades being disposed opposite to the end cap; the airflow generated by the fan blades can pass through the ventilation hole.

[0012] With this configuration, when the fan blades generate airflow at the end of the brush chamber, the airflow can be prevented from being blocked by the end cap, thus improving the smoothness of airflow.

[0013] As an optional implementation, there can be multiple ventilation holes, which are distributed at intervals around the center of the end cap, and the projection of the ventilation holes along the axial direction of the roller is at least partially located outside the end face of the roller.

[0014] This setup can improve ventilation efficiency and increase the airflow generated when the fan blades rotate.

[0015] As an alternative implementation, the fan blade is located between the roller and the end cap; the roller brush assembly may also include a flexible cleaning element connected to the side wall of the roller and extending axially from one end of the roller to the other end; the opposite sides of the fan blade abut against the end of the flexible cleaning element and the end cap, respectively.

[0016] This configuration allows the fan blades to be positioned and fixed by connecting the end cap and the roller, ensuring that the fan blades can rotate synchronously with the roller brush assembly.

[0017] As an optional implementation, the fan blade may include an annular fan body and multiple blades, with the multiple blades spaced apart along the circumferential outer side of the annular fan body; the annular fan body and the rolling element are coaxially arranged.

[0018] With this configuration, the rotation axes of the fan blades and the rollers are aligned, ensuring the stability of the airflow generated by the fan blades when the rollers rotate.

[0019] As an alternative implementation, the diameter of the annular fan body is larger than the diameter of the roller body, and the annular fan body is provided with an insertion groove facing the flexible cleaning component, the end of the flexible cleaning component being inserted into the insertion groove.

[0020] With this configuration, the airflow generated by the fan blades can flow along the axial direction on the surface of the rollers without being blocked by the rollers.

[0021] As an alternative implementation, the fan blade is located on the side of the end cover away from the roller body; the cleaning device may also include a drive assembly and a connector, the output end of the drive assembly is located at the end in the length direction of the roller brush cavity, the connector is connected between the output end and the axial end of the roller brush assembly, and the fan blade is connected to the connector.

[0022] This configuration allows the drive structure at the end of the roller brush assembly to fix the fan blades and drive them to rotate, ensuring that the rotation of the fan blades and the roller brush assembly is synchronized.

[0023] As an optional implementation, the end cap has a mounting hole, the axial end of the roller has a connecting hole, the connector passes through the mounting hole and connects to the connecting hole; the fan blade is sleeved on the connector, and the roller, connector and fan blade are coaxially arranged.

[0024] This design improves the stability and reliability of the fan blade installation and prevents interference between the fan blade and the inner wall of the brush assembly or brush cavity when the fan blade rotates.

[0025] As an optional implementation, the axial length of the roller brush assembly is matched with the length of the roller brush cavity, a fan blade is provided at the first end of the roller brush cavity along the length direction, and the distance between the air inlet and the first end of the roller brush cavity is greater than the distance between the air inlet and the second end of the roller brush cavity.

[0026] This configuration extends the airflow path of the fan blades along the axis of the roller brush assembly, allowing hair and dust particles to more efficiently converge at the air intake.

[0027] As an optional implementation, the distance between the side of the air inlet near the first end of the roller brush cavity and the first end of the roller brush cavity is D1, and the distance between the side of the air inlet near the second end of the roller brush cavity and the second end of the roller brush cavity is D2; wherein, D2≤D1≤3×D2.

[0028] With this setup, the air intake is closer to the end without fan blades, allowing the air intake's direct and effective suction area to cover the area, thus preventing dust particles and hair residue from remaining.

[0029] As an optional implementation, the distance between the air inlet and the first end of the roller brush chamber is twice the distance between the air inlet and the second end of the roller brush chamber.

[0030] This design ensures that dust particles and hair in different areas along the length of the roller brush chamber can be efficiently drawn into the air intake.

[0031] As an optional implementation, the axial length of the roller brush assembly matches the length of the roller brush cavity, and fan blades are provided at both ends of the roller brush cavity along its length; the air intake is located at the middle of the roller brush cavity along its length.

[0032] This configuration ensures that the airflow generated by the fan blades at both ends of the roller brush chamber has equal or similar blowing path lengths, resulting in good cleaning effects at both ends.

[0033] As an optional implementation, there can be two roller brush assemblies, which are spaced apart in the roller brush cavity along the length of the roller brush cavity; the air intake is opposite to the gap between the two roller brush assemblies.

[0034] At least one of the two roller brush assemblies has a fan blade at its end furthest from the air intake.

[0035] This setup allows for simultaneous cleaning using two roller brush assemblies, and also provides higher air intake efficiency at the air inlet.

[0036] As an optional implementation, both roller brush assemblies are provided with fan blades at the ends away from the air inlet, and the airflow directions formed by the corresponding fan blades of the two roller brush assemblies are opposite.

[0037] With this configuration, the two roller brush assemblies can drive their respective fan blades to rotate, and the resulting airflow can collect dust particles and hair from both ends of the roller brush cavity towards the air intake, improving cleaning efficiency.

[0038] This application provides a cleaning device, which includes a main body, a roller brush assembly, and a fan blade. The main body has a roller brush cavity and an air inlet, with the air inlet communicating with the roller brush cavity. The roller brush assembly is located inside the roller brush cavity and is rotatably arranged along the length of the roller brush cavity. The air inlet is opposite to the side wall of the roller brush assembly. The fan blade is rotatably arranged at the end of the roller brush cavity along its length. The fan blade is configured to generate an airflow from the end of the roller brush cavity along its length toward the air inlet, blowing the hair and dust particles carried by the roller brush assembly from the end of the roller brush cavity toward the air inlet. This allows hair and dust particles far from the air inlet area to be sucked into the air inlet, preventing hair and dust particles from remaining on the surface being cleaned, improving the cleaning effect and increasing cleaning efficiency.

[0039] In addition to the technical problems solved by the embodiments of this application, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions described above, other technical problems that the cleaning equipment provided by this application can solve, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further described in detail in the specific embodiments. Attached Figure Description

[0040] 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.

[0041] Figure 1 This is a schematic diagram of the structure of the cleaning equipment provided in the embodiments of this application;

[0042] Figure 2 This is a schematic diagram of the bottom side of the cleaning equipment provided in the embodiments of this application;

[0043] Figure 3 for Figure 1 A cross-sectional view along the AA direction;

[0044] Figure 4 This is a schematic diagram of the structure of the roller brush assembly in the cleaning equipment provided in the embodiments of this application.

[0045] Figure 5 A schematic diagram of the installation of the fan blades corresponding to the roller brush assembly in the cleaning equipment provided in the embodiments of this application;

[0046] Figure 6 A cross-sectional view of the roller brush assembly in the cleaning device provided in an embodiment of this application;

[0047] Figure 7 An exploded view of the roller brush assembly in the cleaning equipment provided in the embodiments of this application;

[0048] Figure 8 This is a schematic diagram of the structure of the fan blades in the cleaning equipment provided in the embodiments of this application;

[0049] Figure 9 A schematic diagram illustrating another fan blade mounting position in a cleaning device provided in an embodiment of this application;

[0050] Figure 10 for Figure 9 Cross-sectional view along the BB direction;

[0051] Figure 11 This is a schematic diagram showing the location of the air intake in the cleaning equipment provided in the embodiments of this application;

[0052] Figure 12 A schematic diagram of a cleaning device using a dual roller brush assembly provided in an embodiment of this application;

[0053] Figure 13 A cross-sectional view of the cleaning device provided in the embodiments of this application, which employs a dual roller brush assembly;

[0054] Figure 14 This is a schematic diagram of another structure of the roller brush assembly in the cleaning equipment provided in the embodiments of this application;

[0055] Figure 15 A cross-sectional view of another structure of the roller brush assembly in the cleaning device provided in this application embodiment;

[0056] Figure 16 An exploded view of another structure of the roller brush assembly in the cleaning equipment provided in the embodiments of this application.

[0057] Explanation of reference numerals in the attached figures:

[0058] 10- Cleaning equipment;

[0059] 100 - Main body of the equipment; 101 - Roller brush chamber; 102 - Air intake;

[0060] 200 - Roller brush assembly; 210 - Roller body; 211 - Connection hole; 220 - End cap; 221 - Ventilation hole; 222 - Mounting hole; 230 - Flexible cleaning component; 240 - Support part;

[0061] 300 - Fan blade; 310 - Annular fan body; 311 - Insertion groove; 320 - Blade;

[0062] 400 - Drive component; 410 - Connector. Detailed Implementation

[0063] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an indirect connection through an intermediate medium, or the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0064] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0065] The terms "first," "second," and "third" (if any) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a particular order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein.

[0066] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such as a process, method, system, product, or maintenance tool that includes a series of steps or units, not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or maintenance tool.

[0067] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0068] Cleaning equipment typically includes a housing and a fan unit installed inside the housing. The airflow generated by the fan unit creates suction at the air inlet of the housing. A roller brush can be installed at the corresponding position of the air inlet. The roller brush rolls on the surface to be cleaned, picking up dust and hair, and the suction from the air inlet draws the dust and hair into the equipment, thus achieving the cleaning function.

[0069] However, in the current cleaning equipment, the size of the air intake is insufficient to cover the entire length of the roller brush in order to ensure sufficient suction power. The coverage area is limited, and many dust particles and hairs picked up by the end of the roller brush away from the air intake cannot be sucked into the air intake and remain on the surface being cleaned, resulting in poor cleaning effect.

[0070] In addition, when the roller brush picks up hair fibers, if they cannot be sucked into the air intake in time, the hair fibers will become tangled as the roller brush rotates. The tangled hair will become more and more tightly wrapped around both ends of the roller brush, which will also make cleaning the roller brush time-consuming and laborious.

[0071] To address the aforementioned technical problems, this application provides a cleaning device. This device installs a fan blade structure inside the cavity of the roller brush. When the roller brush is cleaning, the fan blade rotates to generate an airflow along the roller brush axis, blowing dust particles and hair fibers carried by the end area of ​​the roller brush away from the air inlet toward the air inlet. In this way, dust particles and hair fibers can be efficiently collected at the air inlet instead of relying solely on the suction force of the air inlet, thus improving the cleaning effect and preventing dust particles and hair fibers from remaining on the cleaned surface and the roller brush.

[0072] The following is an example illustrating the application scenarios of the cleaning equipment provided in the embodiments of this application.

[0073] The cleaning equipment provided in this application embodiment is a cleaning tool with a roller brush structure. Specifically, the product type of the cleaning equipment in this application embodiment may include, but is not limited to, mite removers, vacuum cleaners, sweeping machines, and robotic vacuum cleaners. Depending on the product type, the cleaning equipment provided in this application embodiment can be used to clean floors, clothes, bedding, sofas, furniture, etc. This application embodiment does not make any specific limitations on this.

[0074] Figure 1This is a schematic diagram of the structure of the cleaning equipment provided in the embodiments of this application; Figure 2 This is a schematic diagram of the bottom side of the cleaning equipment provided in the embodiments of this application; Figure 3 for Figure 1 A cross-sectional view along the AA direction.

[0075] See Figures 1 to 3 As shown, this application provides a cleaning device 10, which includes a device body 100, a roller brush assembly 200, and a fan blade 300. The device body 100 has a roller brush cavity 101 and an air intake 102, which communicates with the roller brush cavity 101. The roller brush cavity 101 is open towards the lower part of the device body 100. The roller brush assembly 200 is located inside the roller brush cavity 101 and is rotatably arranged along the length of the roller brush cavity 101.

[0076] During the cleaning operation of the cleaning device 10, the side of the device body 100 connected to the roller brush assembly 200 faces the surface to be cleaned, allowing the roller brush assembly 200 to contact the surface. As the roller brush assembly 200 rotates, it rubs and taps the surface, thereby lifting dust particles and hair fibers adhering to the surface. The suction port 102 is used to draw these dust particles and hair fibers into the device body 100. A fan blade 300 is disposed in the roller brush chamber 101. During the cleaning process, the fan blade 300 generates airflow, which draws the dust particles and hair fibers lifted by the cleaning assembly towards the suction port 102, improving the suction efficiency of the suction port 102.

[0077] In some embodiments, the air intake 102 is opposite to the sidewall of the roller brush assembly 200, and the fan blade 300 is rotatably disposed at the end of the roller brush cavity 101 in the length direction. The fan blade 300 is configured to generate an airflow from the end of the roller brush cavity 101 in the length direction toward the air intake 102.

[0078] Understandably, the area directly opposite the air intake 102 has stronger suction; however, the end of the roller brush chamber 101 of the fan blade 300 is farther from the air intake 102, resulting in relatively weaker suction at that location. When the roller brush assembly 200 rotates for cleaning, the air intake 102 more easily draws dust particles and hair from the area with stronger suction into its interior. The airflow generated by the fan blade 300 blows from the end of the roller brush chamber 101 towards the air intake 102, causing dust particles and hair from the area with weaker suction to move towards the air intake 102 under the influence of the airflow, i.e., towards the area with stronger suction, thus making them easier to draw into the air intake 102.

[0079] For example, the air intake 102 can be located on the rear side of the roller brush assembly 200 along the cleaning direction of the cleaning device 10, and the roller brush cavity 101 extends along the width direction of the device body 100, which is perpendicular to the cleaning direction of the cleaning device 10. The rotation axis of the roller brush assembly 200 extends along the length direction of the roller brush cavity 101. Along the length direction of the roller brush cavity 101, the air intake 102 can be located between the two ends of the roller brush cavity 101, and the airflow formed by the fan blades 300 at the ends of the roller brush cavity 101 can be blown towards the central region of the roller brush cavity 101 along the axial direction of the roller brush assembly 200.

[0080] It should be noted that in the cleaning device 10 provided in this application embodiment, the suction port 102 can form a negative pressure, thereby generating an airflow that draws in dust particles and hair fibers. The fan blades 300 disposed in the roller brush chamber 101 can also generate airflow. Since the airflow generated by the fan blades 300 blows towards the suction port 102, it can converge with the airflow generated by the suction port 102. During the cleaning process, the airflow generated by the rotation of the fan blades 300 can assist the suction port 102, blowing the hair and dust particles carried by the roller brush assembly 200 from the end of the roller brush chamber 101 toward the suction port 102. This allows hair and dust particles in areas with weaker suction, far from the suction port 102, to be drawn into the suction port 102, preventing hair and dust particles from remaining on the cleaned surface, improving the cleaning effect and increasing cleaning efficiency.

[0081] The cleaning direction of the cleaning device 10 is defined as the X direction, and the width direction of the device body 100 is defined as the Y direction, which is perpendicular to the X direction. The roller brush cavity 101 extends along the Y direction, and the axis of the roller brush assembly 200 can also be aligned along the Y direction; for example, the axis of the roller brush assembly 200 can be parallel to the Y direction or form a small acute angle with it. When the fan blades 300 rotate to generate airflow, the airflow can be blown from the end of the roller brush cavity 101 along the Y direction towards the air intake 102.

[0082] Figure 4 This is a schematic diagram of the structure of the roller brush assembly in the cleaning equipment provided in the embodiments of this application; Figure 5 A schematic diagram of the installation of the fan blades corresponding to the roller brush assembly in the cleaning equipment provided in the embodiments of this application; Figure 6 A cross-sectional view of the roller brush assembly in the cleaning device provided in an embodiment of this application; Figure 7 An exploded view of the roller brush assembly in the cleaning equipment provided in the embodiments of this application; Figure 8 This is a schematic diagram of the fan blade structure in the cleaning device provided in the embodiments of this application.

[0083] Please refer to Figures 1 to 8In some embodiments, the fan blade 300 is coaxially connected to the roller brush assembly 200 so that the fan blade 300 and the roller brush assembly 200 rotate synchronously. The rotation axis of the fan blade 300 and the rotation axis of the roller brush assembly 200 are collinear and both parallel to the Y direction.

[0084] Understandably, when the roller brush assembly 200 is rotating for cleaning, the fan blades 300 rotate simultaneously with the roller brush assembly 200. In this way, as the roller brush assembly 200 rotates and cleans, it picks up dust particles and hair fibers, and the fan blades 300 can rotate synchronously to generate airflow, providing power to the fan blades 300, without the need to set up a new drive source, and ensuring the synchronization of the cleaning process.

[0085] For example, the fan blade 300 can rotate using the power generated by the rotation of the roller brush assembly 200, that is, the roller brush assembly 200 drives the fan blade 300 to rotate. Alternatively, the fan blade 300 and the roller brush assembly 200 can share the same power source, driving both the fan blade 300 and the roller brush assembly 200 to rotate simultaneously through a single power source. Alternatively, the fan blade 300 and the roller brush assembly 200 can be driven by different power sources. This application does not specifically limit these embodiments.

[0086] It should be noted that when the fan blade 300 and the roller brush assembly 200 rotate synchronously, the fan blade 300 and the roller brush assembly 200 rotate in the same direction and at the same speed. When the roller brush assembly 200 starts rotating to clean, the fan blade 300 generates airflow, and when the roller brush assembly 200 stops rotating to clean, the fan blade 300 stops rotating.

[0087] The structure of the roller brush assembly 200 and the specific position of the fan blade 300 relative to the roller brush assembly 200 will be described in detail below.

[0088] In one possible implementation, the roller brush assembly 200 may include a roller 210 and an end cap 220, the end cap 220 having a ventilation hole 221 extending axially along the roller brush assembly 200, and the fan blade 300 disposed opposite to the end cap 220. The airflow generated by the fan blade 300 can pass through the ventilation hole 221.

[0089] Understandably, the fan blade 300 is positioned at the end of the brush cavity 101, while the brush assembly 200 is positioned along the length of the brush cavity 101, with the fan blade 300 and the brush assembly 200 facing each other towards the end of the brush cavity 101. Since the brush assembly 200 occupies most of the space within the brush cavity 101, the airflow generated by the fan blade 300 flows through the area between the side wall of the brush assembly 200 and the inner wall of the brush cavity 101. Therefore, by providing a ventilation hole 221 on the end cap 220, when the fan blade 300 generates airflow at the end of the brush cavity 101, the airflow can be prevented from being blocked by the end cap 220, thus improving the smoothness of airflow.

[0090] For example, the end cap 220 and the roller 210 can be coaxially arranged, and the end cap 220 and the roller 210 can be connected by fasteners such as snaps or screws.

[0091] For example, the shape of the ventilation hole 221 can be circular, elliptical, square, teardrop-shaped, etc., and this application embodiment does not specifically limit it.

[0092] In some embodiments, there may be multiple ventilation holes 221, which are distributed at intervals around the center of the end cover 220. The projection of the ventilation holes 221 along the axial direction of the roller 210 is at least partially located outside the end face of the roller 210, thereby improving ventilation efficiency and increasing the airflow generated when the fan blade 300 rotates.

[0093] For example, the number of ventilation holes 221 can be two, three, four or more, and this application embodiment does not specifically limit this.

[0094] It should be noted that, in this embodiment, the end cap 220 is connected to and abuts the axial end of the roller 210, and the fan blade 300 is opposite to the end of the roller brush assembly 200. The fan blade 300 can be disposed on the inner side of the end cap 220, that is, as part of the structure of the roller brush assembly 200, or it can be disposed on the outer side of the end cap 220. This embodiment does not specifically limit this. The following description is provided through different examples.

[0095] Please continue to refer to Figures 1 to 8 In one possible implementation, the fan blade 300 is located between the roller 210 and the end cap 220. When the roller brush assembly 200 rotates, it drives the fan blade 300 to rotate synchronously.

[0096] The roller brush assembly 200 may further include a flexible cleaning element 230, which is connected to the side wall of the roller 210 and extends axially from one end of the roller 210 to the other. The opposite sides of the fan blade 300 abut against the end of the flexible cleaning element 230 and the end cap 220, respectively.

[0097] Understandably, the flexible cleaning element 230 and the end cap 220 can provide axial restraint for the fan blade 300. The flexible cleaning element 230 is located on the side wall of the roller 210 and protrudes from the roller 210. The diameter of the fan blade 300 is larger than the diameter of the roller 210, so that the fan blade 300 can cooperate with the flexible cleaning element 230, and the airflow generated by the rotation of the fan blade 300 can flow along the side wall surface of the roller 210 without being blocked by the roller 210.

[0098] For example, the roller 210 extends along the X direction, and the diameter is equal at different positions along the extension direction. In this way, the mounting axis of the roller brush assembly 200 is kept horizontal during the assembly of the roller 210, improving the ease of installation of the roller brush assembly 200.

[0099] For example, the roller 210 can be a cylindrical structure, and the flexible cleaning element 230 protrudes from the surface of the roller 210. The height of the flexible cleaning element 230 at different positions along the length of the roller 210 can be the same or different. For example, the height can be lower in the middle near the air inlet 102, while the height at both ends can be higher, so that hair fibers can be more easily sucked into the air inlet 102 and hair can be prevented from getting tangled on the roller brush assembly 200.

[0100] In some embodiments, the sidewall of the roller 210 is provided with a slot, which extends axially from one end of the roller 210 to the other. The flexible cleaning component 230 is inserted into the slot. The slot can limit the radial movement of the roller 210, thereby improving the installation stability of the flexible cleaning component 230 on the roller 210.

[0101] It is understandable that when the flexible cleaning component 230 deforms upon contact with the surface to be cleaned, the end cap 220 can limit the flexible cleaning component 230 along the axial direction of the roller 210, thus preventing movement along the axial direction of the roller 210.

[0102] In some embodiments, the fan blade 300 may include an annular fan body 310 and a plurality of blades 320. The plurality of blades 320 are spaced apart along the circumferential outer side of the annular fan body 310. The annular fan body 310 and the roller 210 are coaxially arranged, so that the rotation axis of the fan blade 300 and the roller 210 are consistent. When the roller 210 rotates, it can ensure the stability of the airflow generated by the fan blade 300.

[0103] Understandably, the annular fan body 310 rotates coaxially with the roller, and the blades 320 can fan the air to form an airflow from the end of the roller brush chamber 101 toward the air intake 102.

[0104] For example, the diameter of the annular fan body 310 is larger than the diameter of the roller 210. The annular fan body 310 is provided with an insertion groove 311 facing the flexible cleaning member 230, and the end of the flexible cleaning member 230 is inserted into the insertion groove 311. The insertion groove 311 can limit the fan blade 300 and prevent the fan blade 300 and the roller brush assembly 200 from rotating relative to each other.

[0105] Furthermore, the airflow generated by the fan blade 300 can flow along the axial direction on the surface of the roller 210 without being blocked by the roller 210.

[0106] For example, there can be multiple flexible cleaning elements 230, which can be arranged in parallel and all extend along the axial direction of the roller 210. In this way, flexible cleaning elements 230 can contact the surface being cleaned in the axial direction of the roller brush assembly 200, thereby increasing the cleaning range.

[0107] For example, multiple flexible cleaning elements 230 extend spirally along the circumferential outer wall of the roller 210. In this way, as the roller brush assembly 200 rolls along the cleaning direction of the cleaning device 10, different positions of the flexible cleaning elements 230 in the extension direction can sequentially contact the surface to be cleaned as the roller brush assembly 200 rolls, without obstructing the negative pressure airflow of the suction port 102, thereby improving the suction efficiency of dust and hair.

[0108] It should be noted that the number of flexible cleaning components 230 can be two, three, four, five or more, and this application embodiment does not specifically limit this.

[0109] Figure 9 A schematic diagram illustrating another fan blade mounting position in a cleaning device provided in an embodiment of this application; Figure 10 for Figure 9 Cross-sectional view along the BB direction; Figure 11 This is a schematic diagram showing the location of the air intake in the cleaning equipment provided in the embodiments of this application.

[0110] Please refer to Figures 9 to 11 In one possible implementation, the fan blade 300 is located on the side of the end cap 220 opposite to the roller 210. The fan blade 300 is disposed between the end of the roller brush assembly 200 and the inner wall of the end of the roller brush cavity 101.

[0111] The cleaning device 10 may also include a drive assembly 400 and a connector 410. The output end of the drive assembly 400 is located at the end of the roller brush cavity 101 along its length. The connector 410 is connected between the output end and the axial end of the roller brush assembly 200. The fan blade 300 is connected to the connector 410.

[0112] Understandably, the drive assembly 400 provides power to rotate the roller brush assembly 200. The drive assembly 400 drives the roller brush assembly 200 through the connector 410, and the fan blade 300 can be mounted on the connector 410. Thus, the drive structure at the end of the roller brush assembly 200 can be used to fix the fan blade 300 and drive the fan blade 300 to rotate, ensuring that the rotation of the fan blade 300 and the roller brush assembly 200 is synchronized.

[0113] For example, the connector 410 can be a columnar connecting shaft, and the fan blade 300 can be sleeved on the connecting shaft. When the connecting shaft rotates, the fan blade 300 can rotate synchronously with the connecting shaft.

[0114] In some embodiments, the end cap 220 has a mounting hole 222, and the axial end of the roller 210 has a connecting hole 211. The connector 410 passes through the mounting hole 222 and connects to the connecting hole 211. The fan blade 300 is sleeved on the connector 410. The roller 210, the connector 410, and the fan blade 300 are coaxially arranged, which can improve the stability and reliability of the fan blade 300 installation and avoid interference between the fan blade 300 and the inner wall of the brush assembly 200 or the brush cavity 101 when the fan blade 300 rotates.

[0115] For example, the connector 410 may be threaded into the connecting hole 211, or the connector 410 may be interference-fitted into the connecting hole 211, or the connector 410 may be inserted into the connecting hole 211 and connected to the roller 210 by a separate fastener such as a snap or screw.

[0116] It should be noted that the drive assembly 400 may include a drive unit, transmission wheels, and a flexible transmission component. The drive unit is mounted on the main body 100 of the equipment and can drive the transmission wheels to rotate. There are two transmission wheels, one driving wheel and one driven wheel. The flexible transmission component can be wound around the two transmission wheels. When the drive unit drives the driving wheel to rotate, the driven wheel is driven to rotate through the flexible transmission component. The driven wheel forms the output end of the drive assembly 400 to drive the connecting member 410 to rotate, thereby driving the roller brush assembly 200 to rotate.

[0117] For example, the drive unit can be a motor, with the motor's output shaft coaxially connected to the drive wheel. The flexible transmission component can be a synchronous belt, wire rope, chain, or other transmission component, and the transmission wheel can be a corresponding synchronous pulley, guide wheel, sprocket, or other transmission component.

[0118] It should be noted that in the cleaning device 10 provided in this application embodiment, the roller brush cavity 101 may have fan blades 300 at only one end along its length, or both ends of the roller brush cavity 101 may have fan blades 300 simultaneously. The roller brush cavity 101 may contain a single roller brush assembly 200, or two or more roller brush assemblies 200; this application embodiment does not specifically limit this. Detailed descriptions are provided below using different examples.

[0119] Figure 12 A schematic diagram of a cleaning device using a dual roller brush assembly provided in an embodiment of this application; Figure 13 A cross-sectional view of the cleaning device provided in the embodiments of this application, which employs a dual roller brush assembly; Figure 14 This is a schematic diagram of another structure of the roller brush assembly in the cleaning equipment provided in the embodiments of this application; Figure 15 A cross-sectional view of another structure of the roller brush assembly in the cleaning device provided in this application embodiment; Figure 16 An exploded view of another structure of the roller brush assembly in the cleaning equipment provided in the embodiments of this application.

[0120] When a single brush assembly 200 is provided in the brush cavity 101, the axial length of the brush assembly 200 matches the length of the brush cavity 101.

[0121] Please refer to Figures 12 to 16 In one possible implementation, a fan blade 300 is provided at the first end of the roller brush cavity 101 along its length, and the distance between the air inlet 102 and the first end of the roller brush cavity 101 is greater than the distance between the air inlet 102 and the second end of the roller brush cavity 101.

[0122] Understandably, the fan blade 300 is positioned at the end of the roller brush cavity 101 that is further away from the air intake 102. In the axial direction of the roller brush assembly 200, the blowing path of the airflow formed by the fan blade 300 can be extended as much as possible, so that hair and dust particles can be more efficiently gathered towards the air intake 102.

[0123] In some embodiments, the distance between the side of the air intake 102 near the first end of the brush cavity 101 and the first end of the brush cavity 101 is D1, and the distance between the side of the air intake 102 near the second end of the brush cavity 101 and the second end of the brush cavity 101 is D2. Wherein, D2≤D1≤3×D2.

[0124] In this way, one end of the roller brush chamber 101 is equipped with a fan blade 300, while the other end is not equipped with a fan blade 300. At the end without the fan blade 300, the air inlet 102 is closer, and the direct and effective suction area of ​​the air inlet 102 can cover the area, avoiding the residue of dust particles and hair.

[0125] For example, the distance between the air intake 102 and the first end of the roller brush cavity 101 is twice the distance between the air intake 102 and the second end of the roller brush cavity 101. That is, D1 = 2 × D2, which ensures that dust particles and hair in different areas along the length of the roller brush cavity 101 can be efficiently drawn into the air intake 102.

[0126] In some embodiments, a single brush assembly 200 is disposed within the brush cavity 101, the axial length of the brush assembly 200 matching the length of the brush cavity 101, and fan blades 300 are provided at both ends of the brush cavity 101 along its length. The air intake 102 is located at the middle position along the length of the brush cavity 101.

[0127] It is understandable that the fan blades 300 at both ends of the roller brush cavity 101 can rotate simultaneously to generate airflow when the roller brush rotates. The airflow generated by the two fan blades 300 blows from both ends of the roller brush cavity 101 toward the central air intake 102, so that the airflow formed by the fan blades 300 at both ends of the roller brush cavity 101 has equal or similar blowing path lengths, and both ends have good cleaning effect.

[0128] It should be noted that one axial end of the roller brush assembly 200 can be connected to the drive assembly 400, and the drive assembly 400 drives the roller brush assembly 200 to rotate. The other end of the roller brush assembly 200 can be connected to the end of the roller brush cavity 101 through the support part 240, so that both ends of the roller brush assembly 200 can be reliably supported when rotating.

[0129] When two or more roller brush assemblies 200 are provided in the roller brush cavity 101, the roller brush assemblies 200 can be arranged sequentially along the length direction of the roller brush cavity 101, and the sum of the lengths of the multiple roller brush assemblies 200 is approximately the length of the roller brush cavity 101; or, the roller brush assemblies 200 can be arranged side by side sequentially along the width direction of the roller brush cavity 101, and the axes of the roller brush assemblies 200 are parallel to each other.

[0130] In one possible implementation, there can be two roller brush assemblies 200, which are spaced apart within the roller brush cavity 101 along its length. The air intake 102 is opposite to the gap between the two roller brush assemblies 200.

[0131] In this design, at least one of the two roller brush assemblies 200 has a fan blade 300 at its end away from the air intake 102, so that cleaning can be performed simultaneously by the two roller brush assemblies 200, and the air intake 102 has higher air intake efficiency.

[0132] It is understood that there is a gap between the mutually facing ends of the two roller brush assemblies 200, and the air inlet 102 is located in the middle of the roller brush cavity 101. The position of the air inlet 102 can correspond to the gap between the two roller brush assemblies 200. Each roller brush assembly 200 has one end facing the air inlet 102 and the other end away from the air inlet 102. The fan blade 300 can be set at the end of the roller brush assembly 200 away from the air inlet 102. In addition, only one end of the two roller brush assemblies 200 away from the air inlet 102 can be provided with the fan blade 300, or both ends can be provided with the fan blade 300. This application embodiment does not specifically limit this.

[0133] For example, both roller brush assemblies 200 include a roller body 210 and a plurality of flexible cleaning elements 230. The plurality of flexible cleaning elements 230 are spaced apart on the side wall of the roller body 210, and the flexible cleaning elements 230 protrude radially from the surface of the roller body 210. At least one of the plurality of flexible cleaning elements 230 has a greater radial height along the roller body 210 at the end away from the air intake 102 than at the end near the air intake 102.

[0134] Because there is a height difference along the radial direction of the roller body 210 at different positions of the flexible cleaning element 230 on the roller brush assembly 200, the protrusion height of the flexible cleaning element 230 at the end closer to the air intake 102 is lower, while the protrusion height of the flexible cleaning element 230 at the end farther from the air intake 102 is higher. When the roller brush assembly 200 picks up hair fibers, as the roller brush assembly 200 rotates and the air intake 102 continuously generates suction, combined with the airflow generated by the fan blades 300 blowing from the end of the roller brush cavity 101 towards the air intake 102, the hair fibers will slide from the higher position to the lower position on the periphery of the roller brush assembly 200, and then be sucked into the air intake 102, thereby preventing the hair fibers from getting tangled at the end of the roller brush assembly 200 away from the air intake 102.

[0135] For example, the two roller brush assemblies 200 can be coaxially arranged, and their axes can be parallel to the length direction of the roller brush cavity 101, that is, parallel to the Y direction. For instance, when the cleaning device 10 moves to clean on a horizontal plane, the axis of the roller brush assembly 200 is parallel to the horizontal direction.

[0136] For example, the two roller brush assemblies 200 can be symmetrically arranged relative to the cleaning device 10 along its central axis in the cleaning direction to ensure that the roller brush assemblies 200 are subjected to balanced force when they roll into contact with the surface to be cleaned at the same time, so as to avoid difficulty in controlling the cleaning device 10 when it is pushed to move back and forth.

[0137] In some embodiments, each of the two roller brush assemblies 200 has a fan blade 300 at its end furthest from the air intake 102, and the airflow directions formed by the corresponding fan blades 300 of the two roller brush assemblies 200 are opposite. The two roller brush assemblies 200 can drive their respective fan blades 300 to rotate, and the resulting airflow can collect dust particles and hair from both ends of the roller brush cavity 101 towards the air intake 102, thereby improving cleaning efficiency.

[0138] It is understood that the end cap 220 is provided at the end of the roller brush assembly 200 away from the air intake 102, and the fan blade 300 can be disposed between the roller body 210 and the end cap 220. Alternatively, the fan blade 300 can be disposed on the side of the end cap 220 away from the roller body 210. This application embodiment does not specifically limit this.

[0139] This application provides a cleaning device, which includes a main body, a roller brush assembly, and a fan blade. The main body has a roller brush cavity and an air inlet, with the air inlet communicating with the roller brush cavity. The roller brush assembly is located inside the roller brush cavity and is rotatably arranged along the length of the roller brush cavity. The air inlet is opposite to the side wall of the roller brush assembly. The fan blade is rotatably arranged at the end of the roller brush cavity along its length. The fan blade is configured to generate an airflow from the end of the roller brush cavity along its length toward the air inlet, blowing the hair and dust particles carried by the roller brush assembly from the end of the roller brush cavity toward the air inlet. This allows hair and dust particles far from the air inlet area to be sucked into the air inlet, preventing hair and dust particles from remaining on the cleaned surface, improving the cleaning effect and increasing cleaning efficiency.

[0140] 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 cleaning device, characterized in that, The cleaning device (10) includes a device body (100), a roller brush assembly (200), and a fan blade (300); the device body (100) has a roller brush cavity (101) and an air inlet (102), the air inlet (102) being connected to the roller brush cavity (101); the roller brush assembly (200) is located inside the roller brush cavity (101) and is rotatably arranged along the length of the roller brush cavity (101); The air intake (102) is opposite to the side wall of the roller brush assembly (200), and the fan blade (300) is rotatably disposed at the end of the roller brush cavity (101) in the length direction. The fan blade (300) is configured to generate an airflow from the end of the roller brush cavity (101) in the length direction toward the air intake (102).

2. The cleaning equipment according to claim 1, characterized in that, The fan blade (300) is coaxially connected to the roller brush assembly (200) so that the fan blade (300) and the roller brush assembly (200) rotate synchronously.

3. The cleaning equipment according to claim 1, characterized in that, The roller brush assembly (200) includes a roller (210) and an end cap (220). The end cap (220) has a ventilation hole (221) extending through the roller brush assembly (200) along its axial direction. The fan blade (300) is disposed opposite to the end cap (220). The airflow generated by the fan blade (300) can pass through the ventilation hole (221).

4. The cleaning equipment according to claim 3, characterized in that, There are multiple ventilation holes (221), which are distributed at intervals around the center of the end cap (220). The projection of the ventilation holes (221) along the axial direction of the roller (210) is at least partially located outside the end face of the roller (210).

5. The cleaning equipment according to claim 3, characterized in that, The fan blade (300) is located between the roller (210) and the end cap (220); the roller brush assembly (200) also includes a flexible cleaning element (230), which is connected to the side wall of the roller (210) and extends axially from one end of the roller (210) to the other end; the opposite sides of the fan blade (300) abut against the end of the flexible cleaning element (230) and the end cap (220), respectively.

6. The cleaning equipment according to claim 5, characterized in that, The fan blade (300) includes an annular fan body (310) and a plurality of blades (320), the plurality of blades (320) being spaced apart along the circumferential outer side of the annular fan body (310); the annular fan body (310) and the roller (210) are coaxially arranged.

7. The cleaning equipment according to claim 6, characterized in that, The diameter of the annular fan body (310) is larger than the diameter of the roller (210). The annular fan body (310) is provided with an insertion groove (311) facing the flexible cleaning component (230). The end of the flexible cleaning component (230) is inserted into the insertion groove (311).

8. The cleaning equipment according to claim 3, characterized in that, The fan blade (300) is located on the side of the end cap (220) away from the roller (210); the cleaning device (10) also includes a drive assembly (400) and a connector (410), the output end of the drive assembly (400) is located at the end of the roller brush cavity (101) in the length direction, the connector (410) is connected between the output end and the axial end of the roller brush assembly (200), and the fan blade (300) is connected to the connector (410).

9. The cleaning equipment according to claim 8, characterized in that, The end cap (220) has a mounting hole (222), and the axial end of the roller (210) has a connecting hole (211). The connector (410) passes through the mounting hole (222) and connects to the connecting hole (211). The fan blade (300) is sleeved on the connector (410), and the roller (210), the connector (410), and the fan blade (300) are coaxially arranged.

10. The cleaning equipment according to any one of claims 1-9, characterized in that, The axial length of the roller brush assembly (200) matches the length of the roller brush cavity (101). The first end of the roller brush cavity (101) in the length direction is provided with the fan blade (300). The distance between the air inlet (102) and the first end of the roller brush cavity (101) is greater than the distance between the air inlet (102) and the second end of the roller brush cavity (101).

11. The cleaning equipment according to claim 10, characterized in that, The distance between the side of the air intake (102) near the first end of the roller brush cavity (101) and the first end of the roller brush cavity (101) is D1, and the distance between the side of the air intake (102) near the second end of the roller brush cavity (101) and the second end of the roller brush cavity (101) is D2; wherein, D2≤D1≤3×D2.

12. The cleaning equipment according to claim 10, characterized in that, The distance between the air intake (102) and the first end of the roller brush cavity (101) is twice the distance between the air intake (102) and the second end of the roller brush cavity (101).

13. The cleaning equipment according to any one of claims 1-9, characterized in that, The axial length of the roller brush assembly (200) matches the length of the roller brush cavity (101), and the fan blades (300) are provided at both ends of the roller brush cavity (101) in the length direction; the air inlet (102) is located in the middle of the roller brush cavity (101) in the length direction.

14. The cleaning equipment according to any one of claims 1-9, characterized in that, There are two roller brush assemblies (200), and the two roller brush assemblies (200) are spaced apart in the roller brush cavity (101) along the length direction of the roller brush cavity (101); the air intake (102) is opposite to the gap between the two roller brush assemblies (200); The fan blade (300) is provided at the end of at least one of the two roller brush assemblies (200) away from the air intake (102).

15. The cleaning equipment according to claim 14, characterized in that, Both of the roller brush assemblies (200) are provided with fan blades (300) at their ends away from the air inlet (102), and the airflow directions formed by the corresponding fan blades (300) of the two roller brush assemblies (200) are opposite.

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