Air purifier

Abstract

The utility model relates to an air purifier. The air purifier comprises a main body, a driving assembly and a cleaning assembly. Wherein the main body is provided with an air inlet and a filter screen communicated with the air inlet, the driving assembly is arranged on the main body, the cleaning assembly comprises a fixing frame and a comb tooth piece connected with the fixing frame, the comb tooth piece abuts against the filter screen, the fixing frame is connected with the driving assembly, and the driving assembly is arranged on the fixing frame. The driving assembly is used for driving the fixing frame and the comb tooth piece connected with the fixing frame to move relative to the filter screen so as to clean the filter screen.

Description

Technical Field

[0001] This application relates to the field of air purification technology, and in particular to an air purifier. Background Technology

[0002] With the acceleration of industrialization and the continuous advancement of urbanization, air pollution has become an increasingly serious problem, and the decline in air quality has become a global public health concern. Air purifiers, as important devices for improving indoor air quality, have been widely used. However, during use, air purifier filters easily accumulate large amounts of dirt, leading to blockages and consequently affecting the overall purification efficiency of the air purifier.

[0003] The information disclosed above in the background art of this application is only used to understand the background of the concept of this application, and may contain information that does not constitute prior art. Utility Model Content

[0004] Therefore, it is necessary to provide an air purifier to address the above problems.

[0005] This application provides an air purifier, which includes:

[0006] The main body is provided with an air inlet and a filter screen connected to the air inlet;

[0007] A driving component, wherein the driving component is disposed on the main body;

[0008] A cleaning assembly includes a fixed frame and a comb connected to the fixed frame. The comb abuts against the filter screen. The fixed frame is connected to a drive assembly, which drives the fixed frame and the comb connected to the fixed frame to move relative to the filter screen to clean the filter screen.

[0009] The aforementioned air purifier offers at least the following benefits: By incorporating a drive component and a cleaning component, automatic filter cleaning is achieved, reducing maintenance costs and time, and making it more convenient to use. During the cleaning process, the contact movement between the comb teeth and the filter not only removes attached dust and particles but also prevents clogging of the cleaning component due to dirt entanglement. Driven by the drive component, the comb teeth effectively remove dust and particles from the filter, keeping it unobstructed, improving the overall purification efficiency of the air purifier, reducing the operating load of the equipment, extending the service life of the air purifier, and enhancing the reliability and durability of the equipment.

[0010] In some embodiments, the cleaning assembly further includes an elastic element. The mounting bracket is connected to the drive assembly, and the elastic element elastically abuts against the mounting bracket and the comb teeth, allowing the comb teeth to be held against the filter screen by the elastic force of the elastic element. The elastic element's elastic abutment between the mounting bracket and the comb teeth continuously applies appropriate pressure to hold the comb teeth against the filter screen. This design ensures that the cleaning assembly automatically adjusts the pressure applied to the filter screen, guaranteeing cleaning effectiveness while avoiding excessive wear on the filter screen. The elastic element also provides cushioning to reduce wear or damage that may occur during the cleaning assembly's movement, extending the device's lifespan. Furthermore, this design allows the comb teeth to adapt to filters of different thicknesses or materials, improving the air purifier's adaptability and versatility, thereby significantly enhancing the overall performance of the device and the user experience.

[0011] In some embodiments, the cleaning assembly further includes a snap-fit ​​portion disposed on the side of the comb teeth facing the fixing frame, the fixing frame having a snap-fit ​​hole, the snap-fit ​​portion passing through the snap-fit ​​hole and capable of snapping into the periphery of the snap-fit ​​hole, and the elastic member sleeved on the snap-fit ​​portion.

[0012] In some embodiments, the outer peripheral surface of the snap-fit ​​portion away from the comb teeth is provided with a snap-fit ​​rib, which can snap onto the periphery of the snap hole on the side facing away from the comb teeth. The snap-fit ​​portion is located on the side of the comb teeth facing the fixing frame and passes through the snap hole at the bottom of the limiting groove of the fixing frame, tightly fitting with the periphery of the snap hole. This design ensures a reliable connection between the two fixing frames, preventing the components from loosening or shifting during operation, thereby improving the overall stability of the equipment. At the same time, an elastic element is sleeved on the snap-fit ​​portion, with its two ends elastically abutting against the bottom of the limiting groove and the comb teeth, respectively. This not only provides the necessary elasticity, allowing the cleaning components to effectively apply appropriate pressure to the filter screen, but also reduces wear caused by vibration or impact through cushioning. In this way, the durability of the equipment is enhanced and its service life is extended. In addition, this design simplifies the installation and maintenance process. The ingenious design of the snap-fit ​​portion makes the assembly and disassembly of the components more convenient, facilitating subsequent maintenance and cleaning work.

[0013] In some embodiments, the engaging portion is columnar and its length is greater than the depth of the locking hole. When the comb teeth press against the elastic element under the pressure of the filter screen, the engaging portion can extend and retract within the locking hole. The engaging portion is designed to be columnar, and its length is greater than the depth of the locking hole. This design allows the engaging portion to extend and retract within the locking hole. When the comb teeth press against the filter screen, they push against the elastic element, at which point the engaging portion can extend and retract within the locking hole, thus providing a certain buffer space. This flexibility allows the cleaning component to better adapt to changes when subjected to external forces, reducing the impact of direct impacts and pressures on the component, thereby protecting the structural integrity of the component. This design not only improves the durability of the component but also enhances its adaptability under different working conditions, ensuring the stability and effectiveness of the cleaning function. In this way, the equipment can cope more smoothly with various external disturbances during operation, extending its service life.

[0014] In some embodiments, the retaining frame is integrally formed with the comb teeth. This integral design improves the structural strength and stability of the assembly, eliminating potential loosening or misalignment issues that could arise from connections between multiple independent components. Secondly, this design simplifies the manufacturing process, reducing assembly steps and time, thereby lowering production costs. Furthermore, the integral structure reduces potential points of failure, enhancing the durability and reliability of the assembly. With no redundant connecting parts, the cleaning assembly can transmit force and motion more efficiently during operation, improving its working efficiency.

[0015] In some embodiments, the comb assembly includes comb teeth and a flexible connecting plate. One end of the flexible connecting plate is connected to the mounting frame, and the other end is connected to the comb teeth. The flexible connecting plate is capable of elastic deformation under the pressure of the filter screen, ensuring that the comb teeth remain in contact with the filter screen. One end of the flexible connecting plate is connected to the mounting frame, and the other end is connected to the comb teeth. The mounting frame, the flexible connecting plate, and the comb assembly are integrally formed. The flexible connecting plate's ability to elastically deform under the pressure of the filter screen means that when external forces act on the cleaning components, the flexible connecting plate can absorb and buffer these forces, thereby protecting the comb teeth and other components from damage. Furthermore, this elastic deformation ensures that the comb teeth always maintain close contact with the filter screen, improving cleaning effectiveness.

[0016] In some embodiments, the resilient connecting plate has grooves extending along the width of the filter screen, allowing the resilient connecting plate to elastically deform at the grooves under the resistance of the filter screen. The groove design enhances the elasticity of the resilient connecting plate. By designing the grooves in a specific direction—that is, the grooves can be generally elongated and extend along the width of the filter screen—the resilient connecting plate can deform more easily under force, effectively absorbing and buffering external forces. This helps protect the comb teeth and other related components, extending their service life. The groove design allows the resilient connecting plate to more flexibly adapt to the surface shape and irregularities of the filter screen. The grooves allow the resilient connecting plate to flexibly adjust its shape to fit the surface of the filter screen while maintaining sufficient contact force, thus ensuring comprehensive and consistent cleaning results. Furthermore, the grooves extending along the width direction can effectively distribute and manage stress, allowing the resilient connecting plate to bear pressure evenly during operation. This not only improves the durability of the components but also reduces the risk of damage due to localized stress concentration. Finally, this design improves the functionality and reliability of the cleaning components without adding extra complexity, providing users with a more efficient and durable solution. It also reduces the amount of material used in the cleaning components, which helps reduce manufacturing costs and lighten their weight.

[0017] In some embodiments, the comb teeth have sharp edges that abut against the filter screen and are used to scrape away dirt from the filter screen. The sharp edges of the comb teeth effectively scrape away dirt, such as dust and hair, adhering to the filter screen, directly improving the cleanliness and permeability of the filter screen and ensuring continuous and efficient operation of the equipment. By reducing the accumulation of dirt, the dust removal blade also reduces the risk of filter screen clogging, thereby maintaining optimal equipment performance.

[0018] In some embodiments, the comb-like component has multiple cleaning teeth spaced apart on its edge that abuts the filter screen. These cleaning teeth are used to scrape away dirt from the filter screen. The comb-like component is designed with multiple cleaning teeth spaced apart on its edge that abuts the filter screen. The main purpose of this design is to effectively scrape away dirt from the filter screen while preventing the comb teeth themselves from becoming entangled in hair. The spaced cleaning teeth reduce the risk of long, thin dirt such as hair becoming entangled between the teeth during the cleaning process. This design not only improves cleaning efficiency but also reduces maintenance difficulty because the cleaning teeth are less likely to be clogged or have their normal function affected by entanglement. This ensures that the device maintains high filtration and cleaning efficiency even after prolonged operation, reducing potential performance degradation or equipment failure caused by entanglement of the cleaning teeth. Overall, this design provides users with a more reliable and low-maintenance user experience.

[0019] In some embodiments, the bottom edge of the filter screen has a plurality of anti-fouling teeth spaced apart along its width. Driven by the drive assembly, these anti-fouling teeth abut against the comb teeth to scrape away residual dirt and collect it into the dust collection box. The gap between any two adjacent cleaning teeth corresponds to at least one anti-fouling tooth. In these embodiments, the bottom edge of the filter screen is designed with a plurality of anti-fouling teeth, which are spaced apart along the width of the filter screen. This design aims to enhance the cleaning effect, especially for dirt that may remain on the comb teeth. Driven by the drive assembly, the anti-fouling teeth can contact the comb teeth, effectively scraping away residual dirt. This dirt is then collected into the dust collection box below, ensuring the continuous and efficient operation of the device. It is particularly noteworthy that the gap between any two adjacent cleaning teeth corresponds to at least one anti-fouling tooth. This design ensures that during cleaning, the anti-fouling teeth can fully cover and act on the entire surface of the comb, especially scraping away any dirt that may remain in the gaps between any two adjacent cleaning teeth, thereby maximizing the removal of residual dirt. This structural arrangement not only improves cleaning efficiency but also reduces the possibility of dirt residue.

[0020] In some embodiments, the comb teeth extend along the width of the filter screen. By extending along the width, the comb teeth can cover a larger surface area of ​​the filter screen, ensuring comprehensive contact with dirt during cleaning. This allows for more efficient removal of dust, hair, and other deposits, improving the overall cleaning effect and permeability of the filter screen. Furthermore, the width-direction extension design helps achieve uniform cleaning force, avoiding potential damage to the filter screen due to excessive localized pressure, thereby extending the filter screen's lifespan.

[0021] In some embodiments, the air purifier further includes a dust collection box. The comb-like components can move up and down along the height of the filter screen under the drive assembly to sweep away dirt from the filter screen and collect it into the dust collection box. The mounting bracket has pressure ribs on the side facing the dust collection box. When dirt from the filter screen is collected into the dust collection box, the pressure ribs can compress the dirt inside the dust collection box. For example, by placing the dust collection box on the side of the filter screen near the air inlet and positioning it below the cleaning assembly, the system can efficiently collect the cleaned dirt. The comb-like components move up and down along the height of the filter screen under the drive assembly, allowing them to fully cover the entire surface area of ​​the filter screen. During the cleaning process, the comb-like components effectively sweep away dust, hair, and other dirt adhering to the filter screen through their up-and-down movement, directly guiding it into the dust collection box below. This design not only improves cleaning efficiency but also ensures centralized collection of dirt, preventing secondary pollution. Meanwhile, the dust collection box design makes cleaning the collected dirt more convenient for users; they only need to empty the dust collection box periodically. When dirt is swept off the filter and collected in the dust collection box, the pressure ribs compress the dirt inside. This compression helps to hold the dirt, increasing the capacity utilization of the dust collection box. This means that without increasing the volume of the dust collection box, it can hold more dirt, extending the emptying cycle and reducing the frequency of user maintenance. Furthermore, the pressure ribs help prevent dirt from loosely accumulating inside the dust collection box, avoiding dirt scattering when emptying. This design not only improves the efficiency of the air purifier but also enhances the user experience, making equipment maintenance simpler and cleaner.

[0022] In some embodiments, the bottom edge of the filter screen has multiple anti-fouling teeth spaced apart along its width. When the comb teeth move under the drive assembly to below the filter screen and then rise again, the anti-fouling teeth can abut against the comb teeth to scrape off residual dirt and collect it into the dust collection box. The bottom edge of the filter screen is designed with multiple anti-fouling teeth spaced apart along the width of the filter screen. This design aims to further improve cleaning efficiency, especially for dirt that may remain on the comb teeth. When the comb teeth move under the drive assembly to below the filter screen and prepare to rise again, the anti-fouling teeth contact the comb teeth, effectively scraping off residual dust, hair, and other dirt. This scraped dirt falls off and is collected in the dust collection box below. This design not only ensures the cleanliness of the filter screen but also ensures that the comb teeth remain clean after each cleaning cycle, thereby improving the overall efficiency and performance of the cleaning assembly. In addition, this automated cleaning method reduces the need for manual intervention, lowers the complexity of maintenance, and provides users with a more convenient user experience.

[0023] In some embodiments, the mounting bracket has pressure ribs on the side facing the dust collection box. When dirt on the filter screen is collected into the dust collection box, the pressure ribs can compress the dirt inside the dust collection box. In these embodiments, the mounting bracket is designed to be more intelligent, with pressure ribs on the side facing the dust collection box. When dirt on the filter screen is swept off and collected into the dust collection box, the pressure ribs can compress the dirt inside the dust collection box. This compression helps to compress the dirt, thereby increasing the capacity utilization of the dust collection box. This means that more dirt can be accommodated without increasing the volume of the dust collection box, extending the dust collection box emptying cycle and reducing the frequency of user maintenance. In addition, the design of the pressure ribs helps to prevent the loose accumulation of dirt in the dust collection box, avoiding the scattering of dirt when emptying the dust collection box. This design not only improves the efficiency of the air purifier but also improves the user experience, making the device easier and cleaner to maintain.

[0024] In some embodiments, the filter screen includes a frame and a filter screen portion embedded within the frame. In these embodiments, the filter screen design consists of two main parts: the frame and the filter screen portion embedded within the frame. The frame provides structural support and stability, allowing the filter screen portion to maintain its shape and position. This is crucial to ensuring that the filter screen does not deform or shift during use, thereby guaranteeing the stability and consistency of the filtration effect. Furthermore, this combined structure allows for the selection of different materials and technologies during design and manufacturing to optimize filtration performance. For example, the frame can use robust and durable materials, while the filter screen portion can be made of materials with specific filtration properties to meet different filtration needs. This flexibility allows the filter screen to adapt to various application scenarios and usage conditions.

[0025] In some embodiments, the frame and the filter section are integrally injection molded. This integral injection molding process simplifies the production process, reduces production costs, improves manufacturing efficiency, and shortens the production cycle. Furthermore, the integral injection molding eliminates seams or connection points between the frame and the filter section, thereby enhancing the overall structural strength and stability. This reduces the risk of damage due to stress or pressure during use.

[0026] In some embodiments, the scale-inhibiting teeth are integrally formed with the filter screen.

[0027] In some embodiments, the filter section is a PET mesh or a stainless steel mesh.

[0028] In some embodiments, the thickness of the filter section is 0.15-0.2 mm.

[0029] In some embodiments, the tooth pitch of the comb is 2.5-6 mm.

[0030] In some embodiments, the pitch of the scale-inhibiting teeth is 1.0-2.3 mm.

[0031] In some embodiments, the filter screen has a mesh density of 50-70 meshes per square inch. The mesh density of the filter screen, or the filter portion, is set to 50-70 meshes per square inch. This range of mesh densities provides a balance, allowing the filter to effectively filter particles of a specific size while maintaining good flowability. Here are some characteristics and applications of this mesh density: A mesh density of 50-70 meshes is suitable for filtering medium-sized particles. This density can capture larger particles while allowing smaller particles to pass through, thus achieving a balance between filtration efficiency and flowability. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of the structure of an air purifier provided in one embodiment of this application.

[0034] Figure 2 This is a schematic diagram of an air purifier provided in one embodiment of the present application, which hides some of the structure.

[0035] Figure 3 This is a schematic diagram of the cleaning component of an air purifier provided in the first type of embodiment of this application.

[0036] Figure 4 An exploded schematic diagram of the cleaning component of an air purifier provided in the first type of embodiment of this application.

[0037] Figure 5 A cross-sectional view of the cleaning component of an air purifier provided in the first embodiment of this application.

[0038] Figure 6 This is a schematic diagram of the cleaning components and dust collection box of an air purifier provided in one embodiment of this application.

[0039] Figure 7 This is a schematic diagram of the cleaning component of an air purifier provided in the second type of embodiment of this application.

[0040] Figure 8 This is a partially enlarged schematic diagram of the comb teeth of an air purifier provided in one embodiment of this application.

[0041] Figure 9 This is a partially enlarged schematic diagram of the comb teeth and scale-inhibiting teeth of an air purifier provided in one embodiment of this application.

[0042] Figure 10 This is a partially enlarged schematic diagram of the scale-inhibiting teeth of an air purifier provided in one embodiment of this application.

[0043] Figure 11 This is a schematic diagram of the structure of a filter screen provided in one embodiment of this application.

[0044] Figure label:

[0045] 10. Air purifier; 100. Main body; 110. Air inlet; 120. Filter screen; 121. Scale-inhibiting teeth; 200. Drive assembly; 300. Cleaning assembly; 310. Fixing bracket; 3111. Limiting groove; 3112. Locking hole; 313. Pressing rib; 320. Comb teeth; 321. Dust removal blade; 322. Cleaning teeth; 330. Elastic element; 340. Locking part; 341. Locking rib; 350. Elastic connecting plate; 351. Groove; 360. Comb teeth; 400. Dust collection box. Detailed Implementation

[0046] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0047] Please see Figure 1 , Figure 2 and Figure 3 In some embodiments, this application provides an air purifier 10, which includes a main body 100, a drive assembly 200, and a cleaning assembly 300. The main body 100 has an air inlet 110 and a filter 120 communicating with the air inlet 110. The drive assembly 200 is disposed on the main body 100. The cleaning assembly 300 includes a mounting bracket 310 and a comb tooth 320 connected to the mounting bracket 310. The comb tooth 320 abuts against the filter 120. The mounting bracket 310 is connected to the drive assembly 200. The drive assembly 200 is used to drive the mounting bracket 310 and the comb tooth 320 connected to the mounting bracket 310 to move relative to the filter 120 to clean the filter 120.

[0048] The air purifier 10 described above has at least the following beneficial effects: By setting up the drive component 200 and the cleaning component 300, automatic cleaning of the filter 120 is achieved, reducing maintenance costs and time, and making it more convenient to use. During the cleaning process, the contact movement between the comb teeth 320 and the filter 120 not only removes attached dust and particles, but also prevents the cleaning component 300 from clogging due to dirt entanglement. Driven by the drive component 200, the comb teeth 320 can effectively remove dust and particles from the filter 120, keeping the filter 120 unobstructed, improving the overall purification efficiency of the air purifier 10, reducing the operating load of the equipment, extending the service life of the air purifier 10, and improving the reliability and durability of the equipment.

[0049] The filter 120 can be the filter component of the air purifier 10, which is located on the side close to the outside air. The outside air first passes through the filter 120, then through the filter layer, such as HEPA or activated carbon, and then through the air cavity of the air purifier 10 before being discharged to the outside. The filter 120 can be the primary filter layer of the filter medium in the air purifier 10.

[0050] Please see Figure 4 In some first-type embodiments, the cleaning assembly 300 further includes an elastic element 330. The fixing frame 310 includes a fixing frame 310 and a comb tooth 320. The fixing frame 310 is connected to the drive assembly 200. The elastic element 330 elastically abuts against the fixing frame 310 and the comb tooth 320, so that the comb tooth 320 can be held against the filter screen 120 under the elastic force of the elastic element 330. The elastic element 330 elastically abuts against the fixing frame 310 and the comb tooth 320, and can continuously apply appropriate pressure to hold the comb tooth 320 against the filter screen 120. This design ensures that the comb tooth 320 automatically adjusts the pressure it applies to the filter screen 120, which ensures the cleaning effect and avoids excessive wear on the filter screen 120. The elastic element 330 also has a buffering effect to reduce wear or damage that may occur to the cleaning assembly 300 during operation, thus extending the service life of the equipment. In addition, this design allows the comb teeth 320 to adapt to filters 120 of different thicknesses or materials, improving the adaptability and versatility of the air purifier 10, thereby significantly enhancing the overall performance of the device and the user experience.

[0051] Specifically, such as Figure 4 and Figure 5 As shown, in some first-type embodiments, the cleaning component 300 further includes a snap-fit ​​portion 340, which is disposed on the side of the comb tooth 320 facing the fixing frame 310. The fixing frame 310 is provided with a limiting groove 3111 on the side facing the comb tooth 320. A snap-fit ​​hole 3112 is provided at the bottom of the limiting groove 3111. The snap-fit ​​portion 340 passes through the snap-fit ​​hole 3112 and can snap onto the periphery of the snap-fit ​​hole 3112. An elastic member 330 is sleeved on the snap-fit ​​portion 340 and elastically abuts against the bottom of the limiting groove 3111 and the comb tooth 320.

[0052] More specifically, such as Figure 5As shown, in some first-type embodiments, the outer peripheral surface of the snap-fit ​​portion 340, away from the comb tooth 320, is provided with a snap-fit ​​rib 341. The snap-fit ​​rib 341 can snap onto the periphery of the snap hole 3112 on the side facing away from the comb tooth 320. The snap-fit ​​portion 340 is located on the side of the comb tooth 320 facing the fixing frame 310 and passes through the snap hole 3112 at the bottom of the limiting groove 3111 of the fixing frame 310, and fits tightly with the periphery of the snap hole 3112. This design ensures a reliable connection between the two fixing frames 310, preventing the components from loosening or shifting during operation, thereby improving the overall stability of the equipment. At the same time, the elastic member 330 is sleeved on the snap-fit ​​portion 340, with its two ends elastically abutting against the bottom of the limiting groove 3111 and the comb tooth 320, respectively. This not only provides the necessary elasticity, allowing the cleaning component 300 to effectively apply appropriate pressure to the filter 120, but also reduces wear caused by vibration or impact through cushioning. This enhances the durability of the equipment and extends its service life. Furthermore, the design simplifies installation and maintenance; the cleverly designed snap-fit ​​part 340 makes component assembly and disassembly easier, facilitating subsequent maintenance and cleaning.

[0053] More specifically, such as Figure 5 As shown, in some first-type embodiments, the engaging portion 340 is columnar and its length is greater than the depth of the locking hole 3112. When the comb teeth 320, under the pressure of the filter screen 120, compress the elastic member 330, the engaging portion 340 can extend and retract within the locking hole 3112. The engaging portion 340 is designed to be columnar, and its length is greater than the depth of the locking hole 3112. This design allows the engaging portion 340 to extend and retract within the locking hole 3112. When the comb teeth 320 abut against the filter screen 120, it pushes the comb teeth 320 to compress the elastic member 330. At this time, the engaging portion 340 can extend and retract within the locking hole 3112, thereby providing a certain buffer space. This flexibility allows the cleaning assembly 300 to better adapt to changes when subjected to external forces, reducing the impact of direct impacts and pressures on the assembly, thereby protecting the structural integrity of the assembly. This design not only improves the durability of the components but also enhances their adaptability to different operating conditions, ensuring the stability and effectiveness of the cleaning function. In this way, the equipment can more smoothly cope with various external disturbances during operation, extending its service life.

[0054] Please see Figure 7In some second-type embodiments, the fixing frame 310 and the comb teeth 320 are integrally formed. This integral design improves the structural strength and stability of the assembly, eliminating potential loosening or misalignment issues caused by connections between multiple independent components. Secondly, this design simplifies the manufacturing process, reducing assembly steps and time, thereby lowering production costs. Furthermore, the integral structure reduces potential failure points, enhancing the durability and reliability of the assembly. With no redundant connecting parts, the cleaning assembly 300 can transmit force and motion more efficiently during operation, improving its working efficiency.

[0055] Specifically, such as Figure 7 As shown, in some second-type embodiments, the comb member 320 further includes a comb tooth portion 360 and an elastic connecting plate 350. One end of the elastic connecting plate 350 is connected to the fixing frame 310, and the other end of the elastic connecting plate 350 is connected to the comb tooth portion 360. The fixing frame 310 is integrally formed with the elastic connecting plate 350 and the comb tooth portion 360. The elastic connecting plate 350 can elastically deform under the support of the filter screen 120 so that the comb tooth portion 360 always abuts against the filter screen 120. One end of the elastic connecting plate 350 is connected to the fixing frame 310, and the other end is connected to the comb tooth portion 360. The elastic connecting plate 350 can elastically deform under the support of the filter screen 120. This means that when external forces act on the cleaning component 300, the elastic connecting plate 350 can absorb and buffer these forces, thereby protecting the comb tooth portion 360 and other components from damage. In addition, this elastic deformation ensures that the comb teeth 360 always maintain close contact with the filter 120, improving the cleaning effect.

[0056] More specifically, such as Figure 7As shown, in some second-type embodiments, the elastic connecting plate 350 has a groove 351 extending along the width direction of the filter screen 120. The elastic connecting plate 350 can elastically deform at the groove 351 under the resistance of the filter screen 120. The design of the groove 351 enhances the elastic characteristics of the elastic connecting plate 350. By designing the groove 351 in a specific direction, i.e., the groove 351 can be approximately elongated and extend along the width direction of the filter screen 120, the elastic connecting plate 350 can deform more easily when subjected to force, thereby effectively absorbing and buffering external forces. This helps protect the comb teeth 360 and other related components, extending their service life. The design of the groove 351 allows the elastic connecting plate 350 to more flexibly adapt to the surface shape and irregularities of the filter screen 120. The groove 351 allows the elastic connecting plate 350 to flexibly adjust its shape to adapt to the surface of the filter screen 120 while maintaining sufficient contact force, thereby ensuring comprehensive and consistent cleaning results. Furthermore, the grooves 351 extending along the width direction effectively distribute and manage stress, allowing the resilient connecting plate 350 to bear pressure evenly during operation. This not only improves the durability of the component but also reduces the risk of damage caused by localized stress concentration. Finally, this design enhances the functionality and reliability of the cleaning component 300 without adding extra complexity, providing users with a more efficient and durable solution. It also reduces the amount of material used in the cleaning component 300, which helps reduce manufacturing costs and lighten its weight.

[0057] Please see Figure 8 In some embodiments, the comb teeth 320 have sharp edges that abut against the filter screen 120 and are used to scrape away dirt from the filter screen 120. The sharp edges of the comb teeth 320 effectively scrape away dirt, such as dust and hair, adhering to the filter screen 120, directly improving the cleanliness and permeability of the filter screen 120 and ensuring continuous and efficient operation of the equipment. By reducing the accumulation of dirt, the dust removal blade 321 also reduces the risk of filter screen 120 clogging, thereby maintaining optimal equipment performance.

[0058] Specifically, in some embodiments, the comb teeth 320 extend along the width direction of the filter screen 120. By extending along the width direction, the comb teeth 320 can cover a larger surface area of ​​the filter screen 120, ensuring full contact with dirt on the filter screen 120 during cleaning. This allows for more efficient removal of dust, hair, and other adhering substances, improving the overall cleaning effect and permeability of the filter screen 120. Furthermore, the width-direction extension design helps achieve uniform cleaning force, avoiding potential damage to the filter screen 120 due to excessive local pressure, thereby extending the service life of the filter screen 120.

[0059] More specifically, such as Figure 8 As shown, in some embodiments, the comb-like component 320 has a plurality of cleaning teeth 322 spaced apart along the width direction of the filter screen 120 on its edge abutting against the filter screen 120. The cleaning teeth 322 are used to scrape away dirt from the filter screen 120. The distance between any two adjacent cleaning teeth 322 in the width direction of the filter screen 120 can be 5-6 mm, and the height of each cleaning tooth 322 can be 2-4 mm. The comb-like component 320 is designed with a plurality of cleaning teeth 322 spaced apart on its edge abutting against the filter screen 120. The main purpose of this design is to effectively scrape away dirt from the filter screen 120 while preventing the comb teeth themselves from getting tangled in hair. The spaced cleaning teeth 322 reduce the risk of long, thin dirt such as hair getting tangled between the teeth during the cleaning process. This design not only improves cleaning efficiency but also reduces maintenance difficulty. Because the cleaning teeth 322 are less prone to clogging or malfunction due to entangling materials, it ensures the equipment maintains high-efficiency filtration and cleaning even after prolonged operation, reducing potential performance degradation or equipment failure caused by entangling cleaning teeth 322. Overall, this design provides users with a more reliable and low-maintenance experience.

[0060] Please see Figure 6 In some embodiments, the air purifier 10 further includes a dust collection box 400, which is located on the side of the filter 120 near the air inlet 110 and below the cleaning component 300. The comb-like member 320 can move up and down along the height direction of the filter 120 under the drive component 200 to sweep off dirt from the filter 120 and collect it into the dust collection box 400. By setting the dust collection box 400 on the side of the filter 120 near the air inlet 110 and positioning it below the cleaning component 300, the system can efficiently collect the cleaned dirt. The comb-like member 320 moves up and down along the height direction of the filter 120 under the drive component 200, allowing it to fully cover the entire surface area of ​​the filter 120. During the cleaning process, the comb teeth 320 effectively sweep away dust, hair, and other dirt adhering to the filter screen 120 through their lifting and lowering motion, directly guiding them into the dust collection box 400 located below. This design not only improves cleaning efficiency but also ensures centralized collection of dirt, preventing secondary pollution. At the same time, the dust collection box 400 makes it more convenient for users to clean the collected dirt; they only need to empty the dust collection box 400 periodically.

[0061] Please see Figure 9 and Figure 10In some embodiments, the bottom edge of the filter 120 is provided with a plurality of anti-fouling teeth 121 spaced apart along its width direction. When the comb member 320 moves under the drive assembly 200 to below the filter 120 and then rises again, the anti-fouling teeth 121 can abut against the comb member 320 to scrape off residual dirt on the comb member 320 and collect it into the dust collection box 400. The bottom edge of the filter 120 is designed with a plurality of anti-fouling teeth 121, which are spaced apart along the width direction of the filter 120. The purpose of this design is to further improve cleaning efficiency, especially for dirt that may remain on the comb member 320. When the comb member 320 moves under the drive assembly 200 to below the filter 120 and is about to rise again, the anti-fouling teeth 121 will contact the comb member 320, and the anti-fouling teeth 121 can effectively scrape off residual dust, hair and other dirt on the comb member 320. The scraped-off dirt falls off and is collected in the dust collection box 400 below. This design not only ensures the cleanliness of the filter 120 but also guarantees that the comb teeth 320 remain clean after each cleaning cycle, thereby improving the overall efficiency and performance of the cleaning assembly 300. Furthermore, this automated cleaning method reduces the need for manual intervention, lowers maintenance complexity, and provides users with a more convenient experience.

[0062] Specifically, in some embodiments, the gap between any two adjacent cleaning teeth 322 corresponds to at least one scale-inhibiting tooth 121. This design ensures that during cleaning, the scale-inhibiting tooth 121 can fully cover and act on the entire surface of the comb, especially scraping away any dirt that may remain in the gap between any two adjacent cleaning teeth 322, thereby maximizing the removal of residual dirt. This structural arrangement not only improves cleaning efficiency but also reduces the possibility of dirt residue.

[0063] In some embodiments, the antiscalant teeth are integrally formed with the filter screen. This integral forming eliminates the risks of loosening, detachment, or deformation that can occur with traditional separate connections, ensuring precise alignment between the antiscalant teeth and the filter screen during long-term use. This improves the reliability of the scraping action and avoids wear or corrosion problems associated with separate components (such as rusted screws or aging adhesive), extending the service life of the filter screen assembly. The integral structure also improves cleaning efficiency; the seamless connection between the antiscalant teeth and the filter screen prevents dirt accumulation at the joints, allowing dirt scraped from the comb to be more easily intercepted by the antiscalant teeth and guided into the dust collection box, reducing secondary pollution.

[0064] Please see Figure 6In some embodiments, the mounting bracket 310 has pressure ribs 313 on the side facing the dust collection box 400. When dirt on the filter screen 120 is collected into the dust collection box 400, the pressure ribs 313 can compress the dirt inside the dust collection box 400. In these embodiments, the mounting bracket 310 is designed to be more intelligent, with pressure ribs 313 on the side facing the dust collection box 400. When dirt on the filter screen 120 is swept off and collected into the dust collection box 400, the pressure ribs 313 can compress the dirt inside the dust collection box 400. This compression helps to compress the dirt, thereby increasing the capacity utilization of the dust collection box 400. This means that more dirt can be accommodated without increasing the volume of the dust collection box 400, extending the emptying cycle of the dust collection box 400 and reducing the frequency of maintenance for users. Furthermore, the design of the pressure ribs 313 helps prevent the loose accumulation of dirt in the dust collection box 400, avoiding the scattering of dirt when emptying the dust collection box 400. This design not only improves the efficiency of the air purifier 10 but also enhances the user experience, making equipment maintenance simpler and cleaner.

[0065] Please see Figure 11 In some embodiments, the filter screen includes a frame and a filter screen portion embedded within the frame. In these embodiments, the filter screen design consists of two main parts: the frame and the filter screen portion embedded within the frame. The frame provides structural support and stability, allowing the filter screen portion to maintain its shape and position. This is crucial to ensuring that the filter screen does not deform or shift during use, thereby guaranteeing the stability and consistency of the filtration effect. Furthermore, this combined structure allows for the selection of different materials and technologies during design and manufacturing to optimize filtration performance. For example, the frame can use robust and durable materials, while the filter screen portion can be made of materials with specific filtration properties to meet different filtration needs. This flexibility allows the filter screen to adapt to various application scenarios and usage conditions.

[0066] Specifically, in some embodiments, the frame and the filter section are integrally injection molded. This integral injection molding process simplifies the production process, reduces production costs, improves manufacturing efficiency, and shortens the production cycle. Furthermore, the integral injection molding eliminates seams or connection points between the frame and the filter section, thereby enhancing the overall structural strength and stability. This reduces the risk of damage due to stress or pressure during use.

[0067] In some implementations, the scale-inhibiting teeth are integrally molded with the filter screen frame. This integral molding eliminates the risks of loosening, detachment, or deformation that can occur with traditional separate connections, improving the reliability of the scale-scraping action. It also avoids wear or corrosion problems associated with separate components (such as rusted screws or aging adhesive), extending the service life of the filter screen assembly.

[0068] Specifically, in some embodiments, the filter section is a PET mesh or a stainless steel mesh.

[0069] Specifically, in some embodiments, the thickness of the filter section is 0.15-0.2 mm.

[0070] Specifically, in some embodiments, the filter mesh has a pore density of 50-70 meshes per square inch. That is, the pore density of the filter portion is set to 50-70 meshes per square inch, for example, 50 mesh, 55 mesh, 60 mesh, 65 mesh, etc. This range of pore densities provides a balance; when using a pore density of 50-70 mesh (corresponding to an aperture of 0.212-0.3 mm), a gradient filtration structure is formed: the 70-mesh layer effectively intercepts PM2.5 (≥2.5 μm particle capture rate reaches 92%), while the 50-mesh layer targets larger pollutants such as pollen (10-100 μm), allowing the filter to effectively filter particles of specific sizes while maintaining good flowability. This density range keeps the air resistance coefficient within the 12-15 Pa range, reducing air resistance by approximately 40% compared to a 100-mesh filter. The following are some characteristics and application scenarios of this pore density: a 50-70 mesh pore density is suitable for filtering medium-sized particles. This density captures larger particles while allowing smaller ones to pass through, achieving a balance between filtration efficiency and flowability. Furthermore, under the contact pressure provided by the drive assembly, the comb teeth penetrate deep into the mesh to remove attached microparticles while avoiding fiber damage. This mechanical adaptability stems directly from the precise control of the mesh density—too dense results in reduced cleaning power, while too sparse reduces removal efficiency.

[0071] In some embodiments, the tooth pitch of the comb teeth is 2.5-6mm. The tooth pitch of the comb teeth, also known as the tooth pitch of the comb section, can be set to 3mm, 3.5mm, 3.9mm, 4.5mm, or 5.3mm. The comb teeth are designed with a spacing of 2.5-6mm (the fine teeth can generate vibration to shake off small dust particles, while the wide tooth pitch prevents large particles from scattering), which improves the particle removal rate of the 50-70 mesh filter and reduces noise during operation, thereby improving cleaning efficiency and equipment reliability.

[0072] In some embodiments, the pitch of the scale-inhibiting teeth is smaller than that of the comb teeth, with the pitch of the scale-inhibiting teeth being 1.0-2.3 mm. It can be set to 1.2 mm, 1.6 mm, 1.9 mm, or 2.2 mm. By matching the physical characteristics of the comb teeth's movement trajectory with the size of the dirt particles, a stepped scraping action is formed when the scale-inhibiting teeth contact the comb teeth. This effectively removes attached fine dust (1.2 mm close-pitch interception of particles) and efficiently removes larger particles (2.2 mm wide-pitch anti-clogging). Simultaneously, the gradient tooth pitch design generates alternating shear forces during dynamic cleaning, significantly improving the dirt removal rate and dust collection efficiency, enhancing filter permeability and the purifier's continuous operating performance.

[0073] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0074] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

[0075] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation of this application.

[0076] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0077] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0078] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0079] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0080] In the description of this specification, references to terms such as "an embodiment," "another implementation," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative descriptions of the above terms do not necessarily refer to the same embodiment or example. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application.

Claims

1. An air purifier, characterized in that, include: The main body is provided with an air inlet and a filter screen connected to the air inlet; A driving component, wherein the driving component is disposed on the main body; A cleaning assembly includes a fixed frame and a comb connected to the fixed frame. The comb abuts against the filter screen. The fixed frame is connected to a drive assembly, which drives the fixed frame and the comb connected to the fixed frame to move relative to the filter screen to clean the filter screen.

2. The air purifier according to claim 1, characterized in that, The cleaning assembly also includes an elastic element. The fixing frame is connected to the drive assembly. The elastic element elastically abuts between the fixing frame and the comb teeth, so that the comb teeth can withstand the filter screen under the elastic force of the elastic element.

3. The air purifier according to claim 2, characterized in that, The cleaning component further includes a snap-fit ​​part, which is located on the side of the comb tooth facing the fixing frame. The fixing frame has a snap-fit ​​hole, the snap-fit ​​part passes through the snap-fit ​​hole and can snap onto the periphery of the snap-fit ​​hole, and the elastic member is sleeved on the snap-fit ​​part.

4. The air purifier according to claim 3, characterized in that, The outer peripheral surface of the snap-fit ​​part away from the comb tooth is provided with a snap-fit ​​rib, which can snap onto the periphery of the snap hole on the side opposite to the comb tooth. And / or, the locking part is columnar and the length of the locking part is greater than the depth of the locking hole, so that when the comb tooth is pressed against the filter screen, the locking part can extend and retract within the locking hole.

5. The air purifier according to claim 1, characterized in that, The fixing frame is integrally formed with the comb teeth.

6. The air purifier according to claim 1, characterized in that, The comb component includes a comb tooth section and an elastic connecting plate. One end of the elastic connecting plate is connected to the fixed frame, and the other end of the elastic connecting plate is connected to the comb tooth section.

7. The air purifier according to claim 6, characterized in that, The elastic connecting plate has a groove, and the elastic connecting plate can undergo elastic deformation at the groove under the support of the filter screen.

8. The air purifier according to claim 1, characterized in that, The air purifier also includes a dust collection box. The bottom edge of the filter screen is provided with a plurality of scale-inhibiting teeth at intervals along its width direction. Under the drive of the drive component, the scale-inhibiting teeth can abut against the comb teeth to scrape off the residual dirt on the comb teeth and collect it into the dust collection box.

9. The air purifier according to claim 8, characterized in that, The scale-inhibiting teeth are integrally formed with the filter screen.

10. The air purifier according to any one of claims 1 to 9, characterized in that, The air purifier also includes a dust collection box. The comb can move up and down along the height of the filter screen under the drive of the drive assembly to sweep the dirt off the filter screen and collect it into the dust collection box. The fixing frame is provided with a pressing rib on the side facing the dust collection box. When the dirt on the filter screen is collected into the dust collection box, the pressing rib can squeeze the dirt in the dust collection box.

11. The air purifier according to any one of claims 1 to 9, characterized in that, The filter screen has a mesh density of 50-70 mesh.

12. The air purifier according to any one of claims 1 to 9, characterized in that, The tooth pitch of the comb is 2.5-6mm.

13. The air purifier according to claim 8, characterized in that, The pitch of the scale-inhibiting teeth is 1.0-2.3 mm.

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