Cleaning device and cleaning system

Abstract

The application provides a cleaning device and a cleaning system, and belongs to the technical field of cleaning devices. The cleaning device comprises a floor brush assembly, the floor brush assembly comprises a floor brush main body, and the floor brush main body defines a recycling channel; a spraying assembly is arranged on the floor brush assembly, the spraying assembly comprises a liquid supply channel and a first spray head; wherein the nozzle of the first spray head is located in the recycling channel; the liquid supply channel has a liquid inlet and a first liquid outlet connected with the first spray head, and the liquid inlet and the first liquid outlet are communicated; the clean water tank body comprises a flow outlet, the flow outlet is in butt joint and conduction with the liquid inlet, wherein the liquid inlet of the liquid supply channel is provided with a filter assembly. According to the cleaning device, the filter assembly is arranged at the liquid inlet of the liquid supply channel, when the clean water tank body is removed, impurities are prevented from entering the liquid supply channel, the nozzle of the first spray head is prevented from being blocked by impurities, and the overall cleaning efficiency and operation reliability of the cleaning device are improved.

Description

Technical Field

[0001] This utility model relates to the field of cleaning device technology, specifically to a cleaning device and cleaning system. Background Technology

[0002] Current handheld cleaning devices, such as floor scrubbers, can only clean hard floors using a damp cloth roller brush, and cannot perform dry vacuuming cleaning on special surfaces like carpets. To solve this problem, a replaceable roller brush design allows traditional floor scrubbers and similar devices to also perform wet and dry cleaning. However, in current dry vacuuming, the lack of dampness on the roller brush prevents it from effectively adsorbing small particles of dust and debris at the suction port. These dust particles easily create dust as they flow through the suction channel, leading to decreased suction power and clogging of the HEPA filter near the motor due to debris buildup, affecting suction efficiency and motor lifespan.

[0003] Therefore, cleaning devices employ atomization dust suppression technology, spraying fine droplets within the suction channel to adsorb dust particles, achieving efficient dust suppression-collection-separation. However, this technology relies on a sophisticated atomization module, whose nozzle orifice diameter is typically only 0.3mm, requiring extremely high cleanliness of the liquid within the pipeline. If impurities larger than the nozzle orifice diameter (such as sand particles or fiber debris larger than 50μm) are mixed into the liquid and enter the atomization module with the water flow, it can cause nozzle blockage, uneven atomization, or even module damage, severely impacting the stability and reliability of the atomization dust suppression technology. Furthermore, atomization dust suppression demands a stable water supply. Therefore, placing the clean water tank at the top of the brush head facilitates a more timely and efficient supply of liquid to the atomization module, reducing the potential risks of residual liquid in the pipeline and pipeline blockages. This improves protection for components such as the motor during dry vacuuming. Additionally, its proximity to the surface to be cleaned lowers the center of gravity of the cleaning device, making handheld cleaning easier for users. However, the water tank needs to be manually disassembled frequently at the surface to be cleaned to replenish the cleaning solution. Since this type of water tank is close to the surface to be cleaned, the connection between the water tank and the liquid pipeline is more susceptible to impurities floating near the surface to be cleaned during the disassembly process, causing impurities to get into the pipeline and block the atomizing nozzle.

[0004] Therefore, there is an urgent need for a new type of cleaning device to improve the derivative problems associated with the aforementioned structure. Utility Model Content

[0005] In view of this, the present invention aims to provide a cleaning device and cleaning system to solve the problem in the prior art that dust can easily enter and clog the atomizing nozzle after the water tank body is disassembled.

[0006] In a first aspect, this application proposes a cleaning device, comprising:

[0007] The floor brush assembly includes a floor brush body, which defines a recycling channel.

[0008] A spray assembly is mounted on a floor brush assembly. The spray assembly includes a liquid supply channel and a first nozzle. The nozzle of the first nozzle is located within the recovery channel. The liquid supply channel has an inlet and a first outlet connected to the first nozzle, and the inlet and the first outlet are in communication.

[0009] The clean water tank assembly includes a clean water tank body, which is detachably connected to the floor brush body. The clean water tank body includes an outlet that is connected to and communicates with the inlet.

[0010] The liquid supply channel is equipped with a filter component at the inlet.

[0011] The cleaning device according to this application also includes a mounting base, a liquid supply channel connected to the mounting base, the mounting base defining an inlet and outlet, a first engaging portion provided on the mounting base, and a filter assembly including a filter frame and a filter screen engaged in the filter frame. One end of the filter frame is provided with a closed annular edge forming along its own circumferential direction, and the edge engages with the first engaging portion.

[0012] Optionally, the filter frame and filter screen define a filter chamber that opens toward the clean water tank body, with the outlet of the clean water tank body located in the filter chamber.

[0013] Optionally, the clean water tank assembly also includes an end cap connected to the clean water tank. The end cap includes a fixedly connected end cap body and a limiting bracket. The limiting bracket protrudes from the end cap body and is engaged in the filter frame, and the limiting bracket defines the outflow outlet.

[0014] Optionally, the outer periphery of the limiting bracket is provided with a locking groove forming a closed annular shape along its own circumferential direction. The locking groove is fitted with a first sealing member, which simultaneously abuts against the inner wall of the locking groove and the inner wall of the filter frame.

[0015] Optionally, a drain valve is provided inside the end cap body. The drain valve includes a valve stem and a spring. One end of the spring is connected to the valve stem. A support column is provided inside the filter frame. The support column abuts against the valve stem to compress the spring for conduction.

[0016] Optionally, the bottom of the mounting base is also provided with an upward protruding limiting post. The support post and the filter frame are integrally formed. The support post has a cavity inside, which opens towards the bottom of the mounting base. The limiting post is locked in the cavity.

[0017] Optionally, the floor brush body includes a first housing and a second housing that are interlocked with each other. The first housing and the second housing together define a first mounting cavity. A recycling channel is provided in the first mounting cavity. The side of the first housing away from the second housing defines a second mounting cavity. A clean water tank body is snapped into the second mounting cavity. A mounting seat is snapped into the second housing. The first housing and the mounting seat are snapped into each other and together define a limiting groove. The edge is snapped into the limiting groove.

[0018] Optionally, the filter frame further includes a first stop portion extending away from the filter screen and beyond the edge, the first housing having a clearance opening, the limiting bracket passing through the clearance opening, and the first stop portion located in the clearance opening and abutting against the inner wall of the clearance opening.

[0019] Optionally, a second stop is provided on the side of the first housing facing the mounting base. The second stop is located on one side of the free end of the edge. A sealing groove is provided on the mounting base, and a second sealing element is engaged in the sealing groove. The second stop abuts against the second sealing element.

[0020] According to the cleaning device of this application, the water tank body is located on the top of the floor brush body, the water tank body is flat, and the liquid inlet is located directly below the water tank body with the opening facing upward.

[0021] The cleaning device according to this application also includes a second nozzle, and the liquid supply channel further has a second outlet connected to the second nozzle. The floor brush body is provided with a brush head and a second nozzle. The nozzle of the second nozzle is arranged opposite to the brush head. A fluid diverter is provided in the liquid supply channel downstream of the filter assembly. The fluid diverter can selectively connect the inlet to one of the first outlet and the second outlet.

[0022] Secondly, this application proposes a cleaning system, including the aforementioned cleaning device, and also including a base station or charging dock adapted to the cleaning device.

[0023] The technical solutions provided in this application have the following advantages compared with the prior art:

[0024] The cleaning device provided in this application has a recovery channel for the floor brush assembly used for dust collection. The nozzle of the first spray head is located within the recovery channel, allowing it to spray liquid into the channel. The sprayed liquid effectively wets the dust particles flowing during vacuuming, reducing dust generation and minimizing disorderly dust diffusion and clogging of the HEPA filter within the recovery channel. A clean water tank positioned at the top of the floor brush head facilitates timely and efficient supply of liquid to the atomizing module, reducing the potential risks of residual liquid in the pipes and blockages. This improves protection for components such as the motor during dry vacuuming. Its proximity to the surface to be cleaned also lowers the center of gravity of the cleaning device, making handheld cleaning easier for the user. A filter assembly at the liquid inlet of the liquid supply channel prevents impurities from entering the supply channel when the clean water tank is removed for refilling. This prevents the nozzle of the first spray head from becoming clogged, ensuring reliable operation and allowing for continuous and stable liquid spraying into the recovery channel, thus improving the overall cleaning efficiency and operational reliability of the cleaning device. Attached Figure Description

[0025] Figure 1 The image shown is a front view of the cleaning apparatus according to an embodiment of this application.

[0026] Figure 2 As shown Figure 1 A cross-sectional view along the AA direction.

[0027] Figure 3 As shown Figure 2 Enlarged view of point E in the middle.

[0028] Figure 4 The image shown is a front view of a portion of the structure of the cleaning device according to an embodiment of this application, showing the mounting base and filter frame.

[0029] Figure 5 As shown Figure 4 A cross-sectional view along the BB direction.

[0030] Figure 6 The image shown is a perspective view of the internal structure of the cleaning device according to an embodiment of this application.

[0031] Figure 7 The image shown is a perspective view of the clean water tank assembly of the cleaning device according to an embodiment of this application.

[0032] Figure label:

[0033] Floor brush assembly 10, recycling channel 11, floor brush body 12, first housing 14, second stop 141, second housing 15, mounting base 16, sealing groove 161, limiting groove 162, first engaging part 163, limiting post 164, second seal 17, brush head 18, liquid supply channel 21, filter assembly 30, filter frame 31, edge 311, first stop 312, filter screen 32, support post 33, cavity 331, clean water tank assembly 40, clean water tank body 41, end cap 42, limiting bracket 43, engaging groove 431, annular protrusion 432, first seal 44, drain valve 45, valve stem 451, spring 452. Detailed Implementation

[0034] 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, and 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.

[0035] The following disclosure provides numerous different embodiments or examples for implementing various structures of the invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0036] For ease of description, spatial relative terms may be used in the text to describe the relative position or movement of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "front," "back," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure undergoes a positional flip, orientation change, or change of motion, these directional indications will change accordingly. For instance, an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.

[0037] Currently, to prevent dust from accumulating on the HEPA filter during vacuuming, floor scrubbers and other cleaning equipment use atomizing nozzles in the recovery channel to spray water towards the dust. However, these nozzles have precise nozzle openings and small orifices, making them prone to clogging. For example, in floor scrubbers, to better and more promptly supply water to the atomizing module, reduce the potential risks of residual liquid in the pipes and blockages, and improve protection for components like the motor during dry vacuuming, the clean water tank is designed to be located on top of the brush head. This also lowers the center of gravity of the cleaning device, making handheld cleaning easier for users. However, because the clean water tank of a floor scrubber needs to be frequently removed for refilling, the open supply channel allows airborne dust particles to easily enter the supply channel on the brush assembly, introducing impurities larger than the nozzle orifice into the water. These impurities, carried by the water flow into the atomizing module, can cause nozzle blockage, uneven atomization, or even module damage, severely affecting the stability and reliability of the atomization dust suppression technology.

[0038] In view of this, embodiments of this application provide a cleaning device aimed at overcoming at least one of the aforementioned technical problems.

[0039] In the following embodiments, a height direction is introduced, which is parallel to the overall height direction of the cleaning device when it is used on the surface to be cleaned in this embodiment. With a roughly flat floor as a reference for the surface to be cleaned, the height direction is roughly perpendicular to the surface to be cleaned.

[0040] like Figure 1 and Figure 2 As shown, the cleaning device according to an embodiment of this application includes a spray assembly, a floor brush assembly 10, and a clean water tank assembly 40.

[0041] Specifically, the floor brush assembly 10 includes a floor brush body 12, which defines a recovery channel 11. A spray assembly is disposed on the floor brush assembly 10, and the spray assembly includes a liquid supply channel 21 and a first nozzle; wherein, the nozzle of the first nozzle is located within the recovery channel 11; the liquid supply channel 21 has an inlet and a first outlet connected to the first nozzle, and the inlet and the first outlet are connected; the clean water tank assembly 40 includes a clean water tank body 41, which is detachably connected to the floor brush body 12. The clean water tank body 41 includes an outlet, which is connected to and communicates with the inlet. A filter assembly 30 is provided at the inlet of the liquid supply channel 21. Figure 6 As shown, recycling channel 11 is illustrated.

[0042] In detail, the recovery channel 11 of the brush body 12 is used for dust recovery. The nozzle of the first nozzle is located in the recovery channel 11, allowing the first nozzle to spray liquid into the recovery channel 11. The sprayed liquid can effectively moisten the dust particles flowing during the dust collection process, reduce dust generation, and reduce the disorderly diffusion of dust in the recovery channel 11 and the clogging of the HEPA filter 32. The water tank body 41 in the water tank assembly 40 is used to store the liquid required for cleaning operations, such as water and diluted cleaning agents. The water tank body 41 is detachably connected to the brush body 12, making it easy for users to remove it independently to add water or replace it, meeting the portability requirements of the cleaning device. When the water tank body 41 is installed on the brush body 12, its outlet is connected to and connected to the liquid inlet, so that the liquid in the water tank body 41 can directly enter the liquid supply channel 21 after flowing out, and then flow to the first nozzle through the liquid supply channel 21. A filter assembly 30 is installed at the inlet of the liquid supply channel 21. When the clean water tank body 41 is removed for adding water or cleaning, the filter assembly 30 can prevent impurities from entering the liquid supply channel 21. Furthermore, for ease of cleaning, the filter assembly 30 is positioned at the inlet of the liquid supply channel 21, rather than inside the channel itself. This avoids the accumulation of dust particles between the upstream section of the filter assembly 30 and the inlet, compared to placing the filter assembly 30 downstream of the inlet. The cleaning device can move along a predetermined path to clean the surface to be cleaned, such as a floor or carpet.

[0043] The overall function of the embodiments of this application has been described above. The following is a detailed description of each component of the cleaning device.

[0044] The floor brush assembly 10 includes a floor brush body 12 and a retraction channel 11. The retraction channel 11 can be located inside or outside the floor brush body 12. The retraction channel 11 is used to connect with a vacuuming system, which can be installed on the floor brush body 12. Some floor scrubbers are equipped with a hand handle, which is connected to the floor brush body 12. The vacuuming system can also be installed on the hand handle. A brush head 18 can also be installed at the bottom of the floor brush body 12. The brush head 18 can be a bristle brush or a roller brush. The bristle material can be made of wear-resistant nylon or anti-static fiber to adapt to different surfaces to be cleaned, such as floors and carpets.

[0045] In some embodiments, the inlet of the recycling channel 11 may be designed as a flared, funnel-shaped structure with a guide slope at the edge to guide ground dust smoothly into the channel with airflow or liquid flow. In some embodiments, the inner wall of the recycling channel 11 may also be fitted with an anti-stick coating, such as a Teflon coating, to reduce dust adhesion.

[0046] The spray assembly is mounted on the floor brush assembly 10, for example, by snap-fit ​​connection or threaded connection. One end of the liquid supply channel 21 is connected to a clean water tank or cleaning fluid container. The other end of the liquid supply channel 21 is connected to the first nozzle through the first liquid outlet. The liquid inlet is equipped with a filter assembly 30 to prevent impurities from accumulating in the stagnant section between the liquid inlet and the filter assembly 30.

[0047] The liquid can be clean water or a special cleaning agent, which is delivered from the liquid supply channel 21 to the first nozzle by a pressure pump or gravity flow.

[0048] The clean water tank body 41 can be located at the upper end, lower end, or side end of the floor brush body 12; this application makes no limitation thereto. In some embodiments, the clean water tank body 41 may also be provided with a liquid level observation window. When the clean water tank body 41 is located at the upper end of the floor brush body 12, a guide slope can be provided at the bottom of the clean water tank body 41 to ensure that the liquid converges towards the outlet until it flows out completely. The inclination angle of the guide slope can be 2°, 3°, 4°, 5°, 6°, 7°, 8°, 9°, 10°, 11°, 12°, 13°, 14°, and 15°, etc.

[0049] In some embodiments, the water tank body and the floor brush body 12 are connected by snap-fit, facilitating assembly and disassembly. In some embodiments, the water tank body can also be magnetically connected to the floor brush body 12.

[0050] In some embodiments, the outlet of the clean water tank body 41 can be configured as an inverted cone shape, with the larger end close to the clean water tank body 41 and the smaller end close to the filter assembly 30.

[0051] The filter assembly 30 can adopt a multi-layer composite structure, such as a combination of a primary metal filter 32 and a secondary polymer fiber filter membrane. The primary metal filter 32 can be used to intercept large particles such as hair and sand, while the secondary polymer fiber filter membrane can be used to filter fine dust.

[0052] In some embodiments, the filter assembly 30 includes a filter frame 31 and a filter screen 32 disposed on the filter frame 31. The filter frame 31 is detachably connected to the liquid inlet, which facilitates disassembly and cleaning by the user. For example, an annular snap-fit ​​groove can be provided at the liquid inlet, and elastic hooks can be provided on the edge of the filter frame 31. The user can disassemble the filter assembly 30 for cleaning by rotating or pressing. In some embodiments, the filter frame 31 can also be designed to be made of a transparent material, such as polycarbonate plastic, so that the user can easily observe the accumulation of impurities on the surface of the filter screen 32 and clean it in a timely manner.

[0053] According to the cleaning device of this application embodiment, by setting a filter component 30 at the liquid inlet of the liquid supply channel 21, when the clean water tank body 41 is removed for water addition or cleaning, the filter component 30 blocks impurities from entering the liquid supply channel 21, avoids the nozzle of the first nozzle from being blocked by impurities, ensures the reliable operation of the first nozzle, and enables it to continuously and stably spray liquid into the recovery channel 11, thereby improving the overall cleaning efficiency and operational reliability of the cleaning device.

[0054] In actual use, if the filter assembly 30 is to be detachably connected to the liquid inlet for easy cleaning, the filter assembly 30 may not be tightly connected to the circumferential side wall of the liquid inlet. This may result in impurities or liquid flowing directly into the liquid supply channel 21 without being filtered, causing dust particles and other impurities to clog the nozzle and affecting the normal operation of the spray assembly. Therefore, a cleaning device is urgently needed that can ensure the installation gap between the filter assembly 30 and the liquid inlet while being easy to disassemble and clean, so as to prevent dust, impurities or liquid from entering directly.

[0055] like Figures 2-5 As shown, in some embodiments, the cleaning device further includes a mounting base 16, a liquid supply channel 21 connected to the mounting base 16, the mounting base 16 defining an inlet, a first engaging portion 163 provided on the mounting base 16, the filter assembly 30 including a filter frame 31 and a filter screen 32 engaged in the filter frame 31, one end of the filter frame 31 being provided with a closed annular edge 311 along its own circumferential direction, the first engaging portion 163 being an annular magnet, and a magnetic attracting element being provided on the inner side of the edge 311, the first engaging portion 163 and the edge 311 being magnetically attracted.

[0056] In some other embodiments, the liquid supply channel 21 is connected to the mounting base 16, the mounting base 16 defines the liquid inlet, the mounting base 16 is provided with a first engaging part 163, the filter assembly 30 includes a filter frame 31 and a filter screen 32 engaged in the filter frame 31, one end of the filter frame 31 is provided with an edge 311 forming a closed ring along its own circumferential direction, and the edge 311 engages with the first engaging part 163.

[0057] According to the cleaning device of this application embodiment, the mounting base 16 engages with the edge 311 of the filter frame 31 of the filter assembly 30 via the first engaging portion 163. Since the closed annular edge 311 extends circumferentially along the filter frame 31, it achieves circumferential fixation when engaged with the first engaging portion 163, ensuring a tight fit between the filter assembly 30 and the liquid inlet. The edge 311 forms a continuous seal circumferentially, preventing unfiltered liquid from leaking from the connection between the liquid inlet and the filter assembly 30, ensuring that all liquid entering the liquid supply channel 21 is filtered by the filter screen 32. The engagement of the edge 311 with the first engaging portion 163 allows for quick installation or removal of the filter assembly 30, enabling the user to clean or replace the filter screen 32 without the need for tools.

[0058] In some embodiments, the floor brush body 12 is provided with a mounting base 16, which is located at the beginning of the liquid supply channel 21. The mounting base 16 defines a circular liquid inlet. A first engaging portion 163 is provided on the outer side of the mounting base 16. In some embodiments, the first engaging portion 163 is formed in a ring shape. In some embodiments, the first engaging portion 163 includes multiple sets of spaced elastic buckles, and the inner side of the edge 311 is provided with a groove that matches the first engaging portion 163. In some embodiments, the first engaging portion 163 includes multiple sets of spaced grooves, and the inner side of the edge 311 is provided with a barbed buckle that matches the first engaging portion 163. It can be locked with the mounting base 16 by pressing.

[0059] The filter frame 31 can be made of translucent polypropylene. The filter screen 32 is disposed within the filter frame 31 and may include multiple layers of filter screen 32. For example, the layer furthest from the filter frame 31 may be a stainless steel woven mesh with a pore size of 0.5 mm, and the layer closest to the filter frame 31 may be a polyester fiber filter membrane with a pore size of 50 μm.

[0060] Of course, the shape of the liquid inlet is not limited to a circle; it can also be a square, rectangle, oval, triangle, or polygon.

[0061] like Figure 2 , Figure 3 , Figure 6 as well as Figure 7 As shown, in some embodiments, the filter frame 31 and the filter screen 32 define a filter chamber that opens toward the clean water tank body 41, and the outlet of the clean water tank body 41 is located in the filter chamber. This allows the liquid flowing out of the outlet to flow directly into the filter chamber, avoiding the retention of dust particles and suspended impurities in the filter chamber.

[0062] like Figure 2 , Figure 3 as well as Figure 7As shown, in some embodiments, the clean water tank assembly 40 further includes an end cap 42, which is connected to the clean water tank. The end cap 42 includes a fixedly connected end cap 42 body and a limiting bracket 43. The limiting bracket 43 protrudes from the end cap 42 body and is locked in the filter frame 31, and the limiting bracket 43 defines the outflow outlet.

[0063] The limiting bracket 43 protrudes from the end cap 42 and is snapped into the filter frame 31, that is, it is snapped into the filter cavity formed by the filter frame 31 and the filter screen 32. The snap-fit ​​structure between the limiting bracket 43 and the filter frame 31 ensures that the outlet is directly connected to the filter cavity. When the limiting bracket 43 is inserted into the filter frame 31, the outlet is completely inside the filter cavity. After the liquid flows out from the outlet, it must penetrate the filter screen 32 before entering the inlet of the liquid supply channel 21. The limiting bracket 43 not only plays a positioning role, but also forms a limiting support for the filter assembly 30, preventing the outlet from shifting during the installation of the clean water tank and causing the liquid to flow around. It also prevents dust particles and other impurities mixed in during the water addition process from bypassing the filter assembly 30 and directly entering the water circuit, effectively protecting the fine nozzle of the first spray head from being blocked.

[0064] In some embodiments, the limiting bracket 43 is columnar or columnar in shape. In some embodiments, the limiting bracket 43 and the end cap 42 are integrally injection molded. The height direction of the limiting bracket 43 is aligned with the axis of the water tank outlet, ensuring that the outlet is vertically aligned with the filter chamber.

[0065] The outer surface of the limiting bracket 43 can be provided with a guide structure, such as a chamfer or a rounded transition, to facilitate insertion into the filter frame 31.

[0066] like Figure 7 As shown, in some embodiments, the outer wall of the limiting bracket 43 is provided with an annular protrusion 432, thereby forming an annular engagement with the inner wall of the filter frame 31 to prevent loosening. The surface of the annular protrusion 432 can also be provided with anti-slip texture, which can further enhance the friction between it and the inner wall of the filter frame 31.

[0067] In some embodiments, the end of the limiting bracket 43 is provided with multiple elastic buckle claws, the end of the buckle claws is provided with barbs, and the inner wall of the filter frame 31 is provided with multiple U-shaped slots at corresponding positions. After the buckle claws are inserted, the barbs engage with the U-shaped slots.

[0068] In some embodiments, the end of the limiting bracket 43 is a flared opening, and the inner wall of the flared opening can also be provided with a flow guiding slope so that the liquid can be distributed and contacted with the filter screen 32 after flowing out, thereby forming a buffer and reducing the flow rate of the liquid on the surface of the filter screen 32.

[0069] like Figure 3 and Figure 7As shown, in some embodiments, the outer periphery of the limiting bracket 43 is provided with a locking groove 431 that forms a closed annular shape along its own circumferential direction. The locking groove 431 is fitted with a first sealing member 44, and the first sealing member 44 abuts against the inner wall of the locking groove 431 and the inner wall of the filter frame 31.

[0070] The snap-fit ​​groove 431 is used to fix the first sealing element 44. The closed annular snap-fit ​​groove 431 can make the first sealing element 44 evenly stressed, avoiding seal failure caused by excessive local pressure. The elastic deformation of the first sealing element 44 forms a 360° annular seal, which can ensure that the liquid flowing out of the clean water tank body 41 has no leakage channels at the connection between the limiting bracket 43 and the filter frame 31. All liquid must be filtered by the filter screen 32 before entering the liquid supply channel 21. In this way, the filtration effect of the filter assembly 30 is guaranteed, and the liquid overflow during filling or spraying is prevented. This effectively protects the fine nozzle of the first spray head from being blocked by impurities, and ensures that the spray assembly continuously and stably sprays clean liquid into the recovery channel 11 to moisten the dust.

[0071] The snap-fit ​​grooves 431 are evenly distributed along the outer periphery of the limiting bracket 43, and have a rectangular or trapezoidal cross-section. In some embodiments, the upper and lower edges of the snap-fit ​​grooves 431 may be chamfered to facilitate the smooth insertion of the first sealing member 44 during installation.

[0072] Multiple annular corrugations can be provided on the outer periphery of the first sealing element 44, so that after the limiting bracket 43 is inserted into the filter frame 31, it can be interference-fitted with the first filter bracket.

[0073] In some embodiments, the outer wall of the limiting bracket 43 is provided with an annular protrusion 432, and the annular protrusion 432 and the outer wall of the limiting bracket 43 together define the snap-fit ​​groove 431.

[0074] like Figure 2 As shown, in some embodiments, a drain valve 45 is provided inside the end cap 42 body. The drain valve 45 includes a valve stem 451 and a spring 452. One end of the spring 452 is connected to the valve stem 451. A support column 33 is provided inside the filter frame 31. The support column 33 abuts against the valve stem 451 to compress the spring 452 to conduct the flow.

[0075] In detail, when the clean water tank body 41 is installed with the floor brush assembly 10, the support column 33 pushes the valve rod 451 upward, compressing the spring 452 to open the drain valve 45. The liquid in the clean water tank body 41 flows into the filter chamber through the outlet and is filtered by the filter screen 32 before entering the liquid supply channel 21. When the clean water tank body 41 is disassembled, the spring 452 returns to its original position and pushes the valve rod 451 to close the drain valve 45, preventing the liquid in the clean water tank body 41 from flowing out. This structure realizes the automatic opening and closing of the drain valve 45. During installation, the support column 33 triggers the valve rod 451 to open, ensuring the liquid flow path is open. During disassembly, the spring 452 forces the valve rod 451 to close, preventing the liquid in the clean water tank body 41 from overflowing or leaking during disassembly. This improves the convenience of users adding water or performing maintenance operations and prevents unfiltered liquid from accumulating in the valve rod 451 area, ensuring that the spray assembly receives clean liquid every time it is used. This effectively protects the nozzle of the first spray head and further improves the reliability of the cleaning device and the user experience.

[0076] The support column 33 can be cylindrical, square, or conical. The top surface of the support column 33 can be provided with a flow guide slope to facilitate the axial movement of the valve stem 451 when it contacts the bottom end of the valve stem 451.

[0077] In some embodiments, the support column 33 is disposed on the brush body, and the filter frame 31 is provided with an inlet, through which the support column 33 passes.

[0078] like Figures 2-5 As shown, in some embodiments, the support column 33 is disposed on the filter frame 31, and the filter frame 31 and the support column 33 are integrally formed. The support column 33 is vertically fixed to the inner wall of the filter frame 31. The support column 33 can be integrally injection molded with the filter frame 31, or it can be an embedded metal support, such as brass or aluminum alloy, to ensure that the support column 33 has sufficient rigidity to push the valve stem 451 to compress the spring 452.

[0079] like Figure 5 As shown, in some embodiments, the bottom of the mounting base 16 is also provided with a limiting post 164 protruding upwards. The support post 33 is integrally formed with the filter frame 31. The support post 33 has a cavity 331 inside, which opens towards the bottom of the mounting base 16. The limiting post 164 is locked in the cavity 331.

[0080] The limiting post 164 can position the filter frame 31, further limiting the installation position of the filter frame 31, ensuring that the axis of the filter chamber is aligned with the outlet of the clean water tank body 41 and the inlet of the liquid supply channel 21, and preventing the filter assembly 30 from shifting. The axes of the limiting post 164 and the cavity 331 can be coaxial with the axis of the support post 33.

[0081] like Figure 2 and Figure 3 As shown, in some embodiments, the floor brush body 12 includes a first housing 14 and a second housing 15 that are interlocked with each other. The first housing 14 and the second housing 15 together define a first mounting cavity. A recycling channel 11 is provided in the first mounting cavity. The side of the first housing 14 away from the second housing 15 defines a second mounting cavity. A clean water tank body 41 is snapped into the second mounting cavity. A mounting base 16 is snapped into the second housing 15. The first housing 14 and the mounting base 16 are snapped together and together define a limiting groove 162. The edge 311 is snapped into the limiting groove 162.

[0082] In detail, the recycling channel 11 is set in the first mounting cavity, which can ensure the independence and smoothness of the dust suction airflow path and ensure that the internal recycling channel 11 is not deformed due to external pressure. The second mounting cavity is located on the outside of the first housing 14, which facilitates the disassembly and installation of the clean water tank assembly 40, and provides a dedicated installation space for the installation of the clean water tank assembly 40, providing a stable support for the clean water tank.

[0083] The first housing 14 and the second housing 15 are connected by a snap-fit ​​connection, enabling rapid assembly. The first housing 14 and the second housing 15 can be connected by a snap-fit ​​or a combination of snap-fit ​​and fasteners. The first housing 14 snaps into the mounting base 16 and together defines a limiting groove 162, which can snap and limit the edge 311 of the filter frame 31, ensuring that the axis of the filter chamber is aligned with the outlet of the clean water tank body 41 and the inlet of the liquid supply channel 21, preventing the filter assembly 30 from shifting due to deformation of the first housing 14 or the mounting base 16.

[0084] The limiting groove 162 is formed as an annular groove, and the outer surface of the first housing 14 is formed as part of the annular groove. The wall thickness of the first housing 14 in the area corresponding to the annular groove is not reduced compared to other areas, and the bottom of the first housing 14 presses against the edge 311.

[0085] like Figure 2 and Figure 3 As shown, in some embodiments, a second stop portion 141 is provided on the side of the first housing 14 facing the mounting base 16. The second stop portion 141 is located on one side of the free end of the edge 311. A sealing groove 161 is provided on the mounting base 16. The second stop portion 141 extends into the sealing groove 161. In this way, the second stop portion 141, the bottom wall of the first housing 14, and the top wall of the mounting base 16 together define a limiting groove 162.

[0086] In some embodiments, the second stop 141 is also directly attached to the outer surface of the edge 311 of the filter frame 31, and the pre-tightening force when the first housing 14 and the mounting base 16 are fastened together forms radial pressure to ensure that the filter frame 31 does not shift.

[0087] like Figure 2 and Figure 3 As shown, in some embodiments, the filter frame 31 further includes a first stop portion 312 extending away from the filter screen 32 and beyond the edge 311. The first housing 14 is provided with a clearance opening, and the limiting bracket 43 passes through the clearance opening. The first stop portion 312 is located in the clearance opening and abuts against the inner wall of the clearance opening.

[0088] The first stop 312 contacts the inner wall of the clearance opening, which restricts the position of the filter frame 31 in the axial direction, ensuring that the support column 33 and the valve stem 451 can be aligned, so that the support column 33 can precisely abut against the valve stem 451. At the same time, the first stop 312 can also guide and limit the movement of the limiting bracket 43 into the first filter bracket, so that the axis of the limiting bracket 43 can be kept consistent with the axis of the first filter bracket when it passes through the clearance opening. In this way, it can not only avoid the installation deviation of the filter frame 31, but also improve the stability and alignment accuracy when the clean water tank body 41 is connected to the floor brush body 12.

[0089] The clearance can be circular, square, or oval.

[0090] In some embodiments, the first stop portion 312 is perpendicular to the edge 311. The first stop portion 312 includes multiple sub-parts, which are evenly distributed along the circumference of the filter frame 31. Alternatively, the first stop portion 312 can be a single unit, arranged in a closed ring. The first stop portion 312 can also be provided with a multi-step design, with an assembly groove provided on the inner wall of the clearance opening. A third sealing element can be fitted into the assembly groove. The first step is used for primary positioning, and the secondary steps are engaged in the assembly groove and abut against the third sealing element.

[0091] The first stop portion 312 can be snapped into or integrally formed with the filter assembly 30. When integrally formed, a metal reinforcing sheet can also be embedded. The end face of the first stop portion 312 can be provided with anti-slip texture. An elastic buffer layer can also be provided on the side wall of the first stop portion 312 opposite to the inner wall of the clearance opening to avoid rigid collision with the first housing 14 during assembly.

[0092] like Figure 3 As shown, in some embodiments, a second stop portion 141 is provided on the side of the first housing 14 facing the mounting base 16. The second stop portion 141 is located on one side of the free end of the edge 311. A sealing groove 161 is provided on the mounting base 16. A second sealing member 17 is engaged in the sealing groove 161. The second stop portion 141 abuts against the second sealing member 17.

[0093] In detail, the second seal 17 is snapped into the sealing groove 161 of the mounting base 16 for easy disassembly and replacement, and abuts against the second stop 141 of the first housing 14. This converts the mechanical force when the first housing 14 and the mounting base 16 are fastened into a compressive force on the second seal 17, so that the sealing effect automatically improves as the fastening force increases. At the same time, it forms a stable structural fit with the second stop 141 and the edge 311, ensuring that the connection between the first housing 14 and the mounting base 16 maintains a reliable sealing state for a long time, thereby improving the overall reliability and service life of the cleaning device.

[0094] like Figure 1 , Figure 6 as well as Figure 7 As shown, in the cleaning device according to the embodiment of this application, the water tank body 41 is disposed on the top of the floor brush body 12. The water tank body 41 is flat, and the liquid inlet is disposed directly below the water tank body 41 with the opening facing upward.

[0095] The clean water tank body 41 is located on the top of the floor brush body 12. The clean water tank body 41 is flat, which can reduce the overall height of the machine to facilitate cleaning low areas such as the bottom of furniture. The liquid inlet faces downward and the opening faces upward, so that the outlet of the clean water tank body 41 can be accurately inserted into the filter component 30 of the floor brush body 12 when it is installed. The liquid flows naturally to the filter chamber due to gravity and the path is short and straight, avoiding flow resistance.

[0096] The cleaning device according to the embodiments of this application further includes a second nozzle, and the liquid supply channel 21 also has a second liquid outlet connected to the second nozzle. The floor brush assembly 10 includes a floor brush body 12, on which a brush head 18 and a second nozzle are disposed. The nozzle of the second nozzle is disposed opposite to the brush head 18. A fluid diverter is disposed in the liquid supply channel 21 downstream of the filter assembly 30. The fluid diverter can selectively connect the liquid inlet with one of the first liquid outlet and the second liquid outlet.

[0097] The liquid supply channel 21 selectively connects to either the first or second liquid outlet via a reversing component, with the second nozzle facing the brush head 18, thus increasing the functionality of the cleaning device. When the fluid reversing component connects the inlet and the second outlet, the filtered clean liquid is directly sprayed through the second nozzle onto the area of ​​action of the brush head 18, such as the floor or the brush head 18 itself. This can specifically moisten stubborn stains or wash away dust tangled in the brush head 18's bristles, enhancing cleaning power in conjunction with the mechanical friction of the brush head 18. When switching to the first outlet, the liquid is sprayed into the recovery channel 11, suppressing dust generation during vacuuming. The fluid reversing component is located downstream of the filter assembly 30, ensuring that both liquid outlets are filtered by the filter screen 32, preventing impurities from clogging the nozzles of either spray head. Users can control the reversing component to switch spray modes according to different cleaning scenarios, such as cleaning tile grout or deep cleaning carpets.

[0098] This application proposes a cleaning system, including the cleaning device described above, and also including a base station or charging dock adapted to the cleaning device.

[0099] When using a base station compatible with the cleaning equipment, the base station can provide functions such as liquid supply, liquid drainage, self-cleaning, drying and charging for the cleaning equipment. When using a charging dock, the charging dock can provide functions such as charging, self-cleaning and drying for the cleaning equipment.

[0100] The base station provides liquid supply and drainage functions that can automatically replenish the liquid in the clean water tank 41 and discharge the waste liquid in the sewage tank, eliminating the need for users to frequently add water and empty the waste, thus significantly reducing the frequency of operation; the self-cleaning function automatically rinses easily soiled parts such as the brush head 18 after the cleaning equipment is put back in place, avoiding the tedious manual disassembly and cleaning; the drying function accelerates the drying of the brush head 18 through hot air or ventilation design, reducing bacterial growth and odor generation, and improving the hygiene of the cleaning equipment.

[0101] The charging dock provides charging functionality to ensure the cleaning device is always fully charged, guaranteeing reliable battery life. Both the base station and the charging dock improve cleaning efficiency, extend the lifespan of the cleaning equipment, and reduce the risk of malfunction, making the entire cleaning system intelligent, convenient, and reliable.

[0102] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms such as “a,” “an,” etc., used herein may also refer to the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated, unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0103] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0104] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications or equivalent substitutions made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cleaning device, characterized in that, include: A floor brush assembly, the floor brush assembly including a floor brush body defining a recycling channel; A spray assembly is disposed on the floor brush assembly. The spray assembly includes a liquid supply channel and a first nozzle. The nozzle of the first nozzle is located within the recovery channel. The liquid supply channel has an inlet and a first outlet connected to the first nozzle, and the inlet and the first outlet are in communication. A clean water tank assembly includes a clean water tank body, which is detachably connected to the floor brush body. The clean water tank body includes an outlet that is connected to and communicates with the inlet. The liquid supply channel is equipped with a filter assembly at its inlet.

2. The cleaning device according to claim 1, characterized in that, It also includes a mounting base, the liquid supply channel is connected to the mounting base, the mounting base defines the liquid inlet, the mounting base is provided with a first engaging part, the filter assembly includes a filter frame and a filter screen engaged in the filter frame, one end of the filter frame is provided with a closed annular edge forming along its own circumferential direction, the edge engages with the first engaging part.

3. The cleaning device according to claim 2, characterized in that, The filter frame and the filter screen define a filter cavity that opens toward the clear water tank body, and the outlet of the clear water tank body is located in the filter cavity.

4. The cleaning device according to claim 3, characterized in that, The clean water tank assembly also includes an end cap, which is connected to the clean water tank. The end cap includes a fixedly connected end cap body and a limiting bracket. The limiting bracket protrudes from the end cap body and is engaged in the filter frame, and the limiting bracket defines the outlet.

5. The cleaning device according to claim 4, characterized in that, The outer periphery of the limiting bracket is provided with a locking groove that forms a closed annular shape along its own circumferential direction. A first sealing member is sleeved inside the locking groove, and the first sealing member abuts against both the inner wall of the locking groove and the inner wall of the filter frame.

6. The cleaning device according to claim 4, characterized in that, A drain valve is provided inside the end cap body. The drain valve includes a valve stem and a spring. One end of the spring is connected to the valve stem. A support column is provided inside the filter frame. The support column abuts against the valve stem to compress the spring and conduct electricity.

7. The cleaning device according to claim 6, characterized in that, The bottom of the mounting base is also provided with a limiting post protruding upwards. The support post is integrally formed with the filter frame. The support post has a cavity inside, which opens towards the bottom of the mounting base. The limiting post is engaged in the cavity.

8. The cleaning device according to claim 4, characterized in that, The floor brush body includes a first housing and a second housing that are interlocked with each other. The first housing and the second housing together define a first mounting cavity. The first mounting cavity is provided with the recycling channel. The side of the first housing away from the second housing defines a second mounting cavity. The clean water tank body is snapped into the second mounting cavity. The mounting seat is snapped into the second housing. The first housing and the mounting seat are snapped into each other and together define a limiting groove. The edge is snapped into the limiting groove.

9. The cleaning device according to claim 8, characterized in that, The filter frame further includes a first stop portion extending away from the filter screen and beyond the edge. The first housing is provided with a clearance opening. The limiting bracket passes through the clearance opening. The first stop portion is located in the clearance opening and abuts against the inner wall of the clearance opening.

10. The cleaning device according to claim 8, characterized in that, The first housing has a second stop on the side facing the mounting base. The second stop is located on the free end of the edge. The mounting base has a sealing groove, and a second sealing element is engaged in the sealing groove. The second stop abuts against the second sealing element.

11. The cleaning apparatus according to any one of claims 1-10, characterized in that, The clean water tank body is located on top of the floor brush body. The clean water tank body is flat, and the liquid inlet is located directly below the clean water tank body with its opening facing upwards.

12. The cleaning apparatus according to any one of claims 1-10, characterized in that, It also includes a second nozzle, and the liquid supply channel has a second outlet connected to the second nozzle. The floor brush body is provided with a brush head and the second nozzle. The nozzle of the second nozzle is arranged opposite to the brush head. A fluid diverter is provided in the liquid supply channel downstream of the filter assembly. The fluid diverter can selectively connect the liquid inlet to one of the first liquid outlet and the second liquid outlet.

13. A cleaning system, characterized in that, The device includes the cleaning apparatus as described in any one of claims 1-12, and further includes a base station or charging dock adapted to the cleaning apparatus.

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