An air cleaner exhaust device

Abstract

The application belongs to the technical field of air purification, and particularly discloses an air exhaust device of an air purifier, wherein the top of a casing is provided with an air inlet, and the lower part of the side wall of the casing is provided with an air outlet; a flow guide fan is installed on the casing; an air outlet guide assembly comprises a flow guide plate installed below the flow guide fan, the flow guide plate has an outer edge and an inner edge along the axial direction of the flow guide plate, the outer edge of the flow guide plate is arranged towards the air outlet, the outer edge of the flow guide plate is higher than the inner edge in the vertical direction to form a lift angle, and the inner edge of the flow guide plate can be driven to swing in the vertical direction to adjust the angle of the lift angle; the flow guide plate with an adjustable lift angle is arranged, airflow is blown towards the ground area at a set angle, the lift is formed, the bottom surface air is effectively disturbed, and the problem that the air inlet of the traditional purifier is easily blocked by hair is avoided; meanwhile, the directional airflow circulation is also helpful to improve the circulation effect of the lower cold air and improve the overall purification quality of indoor air.

Description

Technical Field

[0001] This invention belongs to the field of air purification technology, and particularly relates to an exhaust device for an air purifier. Background Technology

[0002] In pet-keeping environments such as homes, veterinary clinics, or professional pet breeding facilities, pet odor and shed hair continuously affect indoor air quality, leading to significant air pollution problems. Existing air purification equipment generally uses a bottom or side-wall air intake and top-exhaust design. This design faces significant challenges in practical applications: pet hair can easily enter the air intake area with the airflow, causing blockages in the air intake channel, reducing equipment efficiency, and potentially leading to equipment malfunctions.

[0003] Meanwhile, some existing air purifiers also attempt to adopt a bottom-outlet and top-inlet structure, and set up a hair collection function at the air inlet. However, since cold air is denser, it naturally accumulates in the lower part of the space. If the air inlet and outlet positions are simply adjusted to avoid the conventional hair blockage problem, it will disrupt the natural law of air circulation, resulting in uneven airflow distribution. This will not effectively stir and purify the air in the entire indoor space, resulting in serious pollutant residues and making it difficult to substantially improve indoor air quality.

[0004] To address the aforementioned issues, existing technologies urgently need improvement. Summary of the Invention

[0005] The purpose of this invention is to provide an exhaust device for an air purifier that can effectively prevent pet hair from clogging the air inlet and improve air purification efficiency, thereby solving the problems of traditional air purifiers having air inlets that are easily clogged by hair and poor air circulation due to their special structures.

[0006] To achieve the above objectives, the technical solution of the present invention is as follows: an exhaust device for an air purifier, comprising a housing, a guide fan, and an air outlet guiding assembly. An air inlet is provided at the top of the housing, and an air outlet is provided at the lower part of the side wall of the housing. The guide fan is mounted on the housing to guide air from the air inlet to the air outlet. The air outlet guiding assembly includes a guide plate mounted on the housing and located below the guide fan. The guide plate has an outer edge and an inner edge along its own axial direction. The outer edge of the guide plate faces the air outlet, and the outer edge of the guide plate is higher than the inner edge in the vertical direction to form a lift angle. The inner edge of the guide plate can be driven to swing vertically to adjust the lift angle. The guide plate guides air out at a set angle through the lift angle, generating lift and disturbing the air in the bottom area, thereby causing animal hair on the ground to be lifted up and subsequently sucked in and collected by the device.

[0007] Furthermore, a guide vane is fixedly installed on the top surface of the air guide plate, and the guide vane extends along the diagonal of the top surface of the air guide plate; the guide vane has a blade tip and a blade root along its own axis, the blade tip is flush with the outer edge, and the blade root is flush with the inner edge. The guide vane is twisted around its own axis so that the blade tip and the blade root form a twist angle. The guide vane guides the air to be blown out at a set tangent angle through the twist angle, thereby making the air blown out by the device spiral upward.

[0008] Furthermore, the angle adjustment range of the air guide plate is 15°-20°.

[0009] Furthermore, the torsion angle of the guide vanes is set to 8°-12°.

[0010] Furthermore, multiple air outlets are arranged circumferentially, and the air guides are fan-shaped. Multiple air guides are arranged in a ring array. The outer edges of each air guide are hinged to the housing, and the inner edges of each air guide can be controlled to swing synchronously in the vertical direction.

[0011] Furthermore, the housing consists of an upper housing and an air outlet base installed at the bottom of the upper housing. The air inlet is located at the top of the upper housing, the air outlet is located on the side wall of the air outlet base, the air guide fan is installed inside the upper housing, and the air outlet guide assembly is installed as a whole on the air outlet base.

[0012] Furthermore, the air outlet guiding assembly also includes a support frame, which includes a support ring and multiple legs evenly distributed around the circumference of the support ring. The support frame is fixedly installed on the air outlet base, and the outer edges of the multiple air guide plates are sequentially hinged to the support ring. After hinged, the outer edge of any air guide plate is flush with the lower edge of the air outlet.

[0013] Furthermore, the air outlet guiding assembly also includes a linkage bracket, which includes a connecting ring, a drive plate, and a connecting rod. The drive plate is located below the connecting ring and is connected to the connecting ring via the connecting rod. The inner edges of the multiple air guide plates are sequentially hinged to the connecting ring. The drive plate can be driven to move with a single degree of freedom in the vertical direction to achieve synchronous oscillation of the inner edges of the multiple air guide plates.

[0014] Furthermore, the air outlet guiding assembly also includes a flexible connecting layer, which is attached to the top or bottom surface of multiple air guide plates to connect the multiple air guide plates and seal the gap between any two air guide plates.

[0015] Furthermore, the air guide unit also includes a drive assembly installed at the bottom of the air outlet base. The drive assembly includes a drive motor, an intermediate transmission pair, and a drive rod. The drive rod is vertically arranged and mounted at the center of the bottom surface of the air outlet base in a rotatable manner around its own axis. The upper part of the drive rod is provided with an external thread, and the center of the drive plate is provided with a threaded hole that mates with the external thread. The intermediate transmission pair includes a drive gear, an intermediate gear, and a drive gear. The drive gear is connected to the drive motor to output the power of the drive motor. The intermediate gear meshes with both the drive gear and the drive gear. The drive gear is fixedly installed at the lower part of the drive rod. The drive motor drives the drive rod to rotate through the intermediate transmission pair to drive the vertical movement of the drive plate.

[0016] The beneficial effects of this technical solution are as follows: This invention discloses an exhaust device for an air purifier. This device, by incorporating an adjustable-angle air guide plate, directs airflow at a set angle towards the ground, creating lift and effectively agitating the air below. This causes animal hair on the ground to be swept up, effectively avoiding the problem of traditional purifier inlets being easily clogged by hair. Furthermore, it can be used with specific purifier structures to collect hair. Simultaneously, this directional airflow circulation also helps improve the circulation of cooler air in the lower layers, enhancing the overall indoor air purification quality, making it particularly suitable for pet-friendly environments. Attached Figure Description

[0017] Figure 1 This is an exploded view of the structure of the exhaust device of an air purifier according to the present invention; Figure 2 This is a front structural cross-sectional view of the exhaust device of an air purifier according to the present invention; Figure 3 This is an exploded view of the structure of the air outlet guiding component of the exhaust device of an air purifier according to the present invention; Figure 4 A schematic diagram of the structure of the air guide plate of the exhaust device of an air purifier according to the present invention; Figure 5 Front view of the air guide plate of the exhaust device of an air purifier according to the present invention; Figure 6 Left view of the air guide plate of the exhaust device of an air purifier according to the present invention; Figure 7 A top view of the air guide plate of the exhaust device of an air purifier according to the present invention. Figure 8 A schematic diagram of the structure of a support frame for the exhaust device of an air purifier according to the present invention; Figure 9 A schematic diagram of the structure of the linkage bracket of the exhaust device of an air purifier according to the present invention; Figure 10This is a schematic diagram of the arrangement structure of the drive assembly of the exhaust device of an air purifier according to the present invention; Figure 11 This is a top view of the arrangement structure of the drive assembly of the exhaust device of an air purifier according to the present invention; Figure 12 for Figure 11 Sectional view at point AA; Reference numerals: 1. Guide fan; 2. Air outlet guide assembly; 3. Upper housing; 4. Air inlet; 5. Air outlet base; 6. Drive assembly; 7. Drive motor; 8. Drive gear; 9. Support ring; 10. Support leg; 11. Linkage bracket; 12. Connecting ring; 13. Drive plate; 14. Connecting rod; 15. Flexible connecting layer. Detailed Implementation

[0018] The following detailed description illustrates the specific implementation method: The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] like Figure 1-12 As shown, this embodiment discloses an exhaust device for an air purifier, including a housing, a guide fan 1, and an air outlet guiding assembly 2. An air inlet 301 is provided on the top of the housing, and an air outlet 401 is provided on the lower part of the side wall of the housing. The guide fan 1 is mounted on the housing to guide air from the air inlet 301 to the air outlet 401. The air outlet guiding assembly 2 includes a guide plate 6 mounted on the housing and located below the guide fan 1. The guide plate 6 has an outer edge 60 along its own axial direction. 1 and inner edge 602, outer edge 601 of air guide plate 6 is set towards air outlet 401, outer edge 601 of air guide plate 6 is higher than inner edge 602 in vertical direction to form an angle of rise, inner edge 602 of air guide plate 6 can be driven to swing in vertical direction to adjust the angle of rise; air guide plate 6 guides air to blow out at a set angle through the angle of rise and forms lift and disturbs the air in the bottom area, thereby causing animal hair on the ground to be picked up and lifted, and then sucked in and collected by the device.

[0020] Specifically, in this embodiment, the casing is the main supporting structure; the guide fan 1 is used to generate airflow to guide air from the air inlet 301 to the air outlet 401; the air inlet 301 is located at the top of the casing and serves as the channel for air to enter the casing. The air inlet 301 can be one or more openings, and its shape can be circular, square, or irregular; the lower part of the side wall of the casing is provided with an air outlet 401 for discharging purified air. The air outlet 401 can also be one or more openings, and its position and shape can be designed according to actual needs; the air outlet guiding component 2 is used to control and guide the direction of airflow; the air guide plate 6 changes the direction and characteristics of airflow by adjusting its own angle. The air guide plate 6 can be made of metal, plastic, or composite materials, and its shape can be flat or a plate structure with a certain curvature. In this embodiment, the outer edge 601 of the air guide plate 6 is higher than the inner edge 602 in the vertical direction, thereby forming an elevation angle β. The lift angle gives the air guide plate 6 a certain degree of inclination, thereby generating a downward thrust component and an upward lift component when airflow passes through it. The lift angle can be achieved through the structural design of the air guide plate 6 itself, such as making the air guide plate 6 wedge-shaped, or through its installation method. The swing of the inner edge 602 of the air guide plate 6 can be achieved through various mechanical structures, such as through linkage mechanisms, gear and rack mechanisms, or cam mechanisms; by adjusting the vertical position of the inner edge 602, the tilt angle of the air guide plate 6, i.e., the lift angle, can be changed, thereby affecting the blowing angle of the airflow. Thus, the air guide plate 6 guides the air to blow out at a set angle through its lift angle, generating lift during the blowing process, while disturbing the air in the bottom area. This disturbance can effectively lift animal hair on the ground, which is then sucked in and collected by the air inlet 301 of a specially designed purifier (such as one with a dust collection bag or filter bag structure at the inlet). The whole process forms a cycle, which helps to remove hair from the ground area and improve environmental hygiene. Thus, the air purifier exhaust device of this embodiment, by setting an adjustable-angle air guide plate 6, can direct airflow towards the ground area at a set angle, generating lift and effectively disturbing the air at the bottom, avoiding the problem of traditional air purifier inlets 301 being easily blocked by hair. At the same time, this directional airflow circulation helps improve the circulation effect of lower-level cold air, enhancing the overall purification quality of indoor air, and is especially suitable for pet-friendly environments.

[0021] In this embodiment, a guide vane 7 is fixedly provided on the top surface of the air guide plate 6. The guide vane 7 extends along the diagonal of the top surface of the air guide plate 6. The guide vane 7 has a blade tip 701 and a blade root 702 along its own axial direction. The blade tip 701 is flush with the outer edge 601, and the blade root 702 is flush with the inner edge 602. The guide vane 7 is twisted around its own axis so that the blade tip 701 and the blade root 702 form a twist angle. The guide vane 7 guides the air to be blown out at a set tangential angle through the twist angle, thereby making the air blown out by the device spiral upward.

[0022] Specifically, in this embodiment, the guide vane 7 is used to change the airflow direction. The guide vane 7 is fixedly mounted on the top surface of the guide plate 6. Its main function is to work in conjunction with the guide plate 6 to apply additional guiding force to the airflow passing through the guide plate 6, allowing it to gain a tangential component on top of its vertical ascent, thereby forming a rotating or spiral airflow. The guide vane 7 can be made of various materials, such as plastic, metal, or composite materials. Its geometry and installation angle are key to achieving a specific airflow pattern. The guide vane 7 extends diagonally along the top surface of the guide plate 6. This extension ensures that the guide vane 7 can cover most of the airflow path on the guide plate 6, thus providing sufficient guidance for the airflow. The blade tip 701 is flush with the outer edge 601 of the guide vane 6, and the blade root 702 is flush with the inner edge 602 of the guide vane 6. This alignment ensures that the guide vane 7 can effectively guide the airflow from the inner edge 602 to the outer edge 601 of the guide vane 6, ensuring that the airflow obtains a uniform tangential component when leaving the guide vane 6. Furthermore, the torsion angle is the relative angle formed between the blade tip 701 and the blade root 702 after the guide vane 7 is twisted around its own axis. By giving the guide vane 7 a torsion angle, different parts of the guide vane 7 can produce different deflection effects on the airflow, thereby forming a continuous and gradually changing tangential force on the entire air outlet surface of the guide vane 6, ultimately transforming the originally mainly vertically rising airflow into an airflow with a spiral upward trend. This torsion design can effectively convert the kinetic energy of the airflow into rotational kinetic energy, thereby enhancing the diffusion and entrainment capabilities of the airflow. Thus, by fixing guide vanes 7 to the top surface of the air guide plate 6 and twisting the guide vanes 7 along their own axis to form a twist angle, this application can guide air to be blown out at a set tangential angle, thereby causing the air blown out by the device to spiral upward. This spiraling upward airflow, combined with the vertical airflow generated by the rise angle of the air guide plate 6, can not only effectively lift animal hair from the ground, but also provide continuous upward and outward diffusion power for these lifted hairs, forming a wider and more stable upward airflow field. This effectively avoids the problem of hair re-sinking due to insufficient airflow after rising; in addition, the spiraling upward airflow can also promote the overall circulation of indoor air, helping to purify the air throughout the room more evenly.

[0023] In this embodiment, the lift angle of the air guide plate 6 is β, and the adjustment range of the lift angle β is 15°-20°. Specifically, the lift angle of the air guide plate 6 is the angle formed by the outer edge 601 of the air guide plate 6 being higher than the inner edge 602 in the vertical direction. The setting of this angle range is based on the aerodynamic characteristics and the effect on the entrainment of animal hair. When the lift angle of the air guide plate 6 is between 15° and 20°, the air guide plate 6 can generate a stable and moderate upward airflow. When this airflow disturbs the air in the bottom area, it can provide sufficient lift to effectively entrain the animal hair on the ground into the air, without generating excessive turbulence that would cause excessive hair dispersion or excessive energy consumption. By precisely limiting the adjustment range of the lift angle of the air guide plate 6 to 15°-20°, it can be ensured that the air guide plate 6 always guides the airflow at the optimal tilt angle during the operation of the device.

[0024] In this embodiment, the torsion angle of the guide vane 7 is α, and the angle of torsion angle α is set to 8°-12°. Specifically, the torsion angle is the angle formed between the blade tip 701 and the blade root 702 when the guide vane 7 twists along its own axis. The setting of this angle directly affects the spiral upward characteristics of the airflow. Limiting the torsion angle to the range of 8°-12° aims to optimize the airflow disturbance effect and energy utilization efficiency while ensuring that the airflow effectively forms a spiral upward trend by precisely controlling the tangential velocity component of the airflow. As a preferred embodiment, the blade root 702 is vertical in this embodiment, and the blade tip 701 deflects after twisting. By precisely setting the torsion angle of the guide vane 7 within the range of 8°-12°, it is possible to ensure that the air blown out by the device forms a stable and efficient spiral upward airflow. This precise angle range allows the airflow to obtain sufficient tangential momentum while avoiding airflow turbulence or energy loss caused by improper torsion angle. When the airflow is blown out at a set angle of elevation (provided by the air guide plate 6) and creates lift disturbance in the air area below, the precise spiral upward trend provided by the guide vanes 7 can more effectively carry and guide disturbed animal hair from the ground to the air inlet 301 of the device, thereby significantly improving the hair collection efficiency. In addition, the stable spiral airflow also helps to reduce local dead zones, making the air circulation in the entire purification area more uniform, further optimizing the air purification effect.

[0025] In this embodiment, multiple air outlets 401 are arranged circumferentially, the air guide plates 6 are fan-shaped, and multiple air guide plates 6 are arranged in a ring array. The outer edges 601 of each of the multiple air guide plates 6 are respectively hinged to the housing, and the inner edges 602 of each of the multiple air guide plates 6 can be controlled to swing synchronously in the vertical direction.

[0026] Specifically, the air outlets 401 are arranged in a manner where multiple outlets are evenly or non-uniformly distributed along the circumference of the casing. This multi-outlet design significantly increases the total area of ​​airflow and allows for a wider horizontal distribution of airflow, thereby expanding the disturbance range over the ground area. These air outlets 401 can be independent holes, slits, or segmented openings, and their number and size can be optimized according to the overall size of the air purifier and the expected coverage area. Simultaneously, the air guide vanes 6 are designed in a fan shape, i.e., a shape with a central angle and two radii. This geometry allows multiple air guide vanes 6 to be closely arranged in a ring, collectively forming a near-circular overall air outlet guiding surface. The fan-shaped structure helps to achieve a larger air guiding area within a limited space and coordinates with the ring array layout, ensuring the continuity and uniformity of airflow. Multiple fan-shaped air guide vanes 6 are arranged in a ring, forming a ring-shaped air outlet guiding area. This ring array configuration allows air to be blown outwards from all sides of the device, forming a comprehensive airflow disturbance area, rather than just a specific direction or localized area. In this way, the ground around the device can be covered more effectively. Furthermore, the outer edge 601 of each fan-shaped air guide plate 6 is connected to the housing via a hinge structure. This connection ensures the stability and reliability of the air guide plate 6 when adjusting its lift angle, while simplifying the design of the drive mechanism, as angle adjustment can be achieved simply by controlling the movement of the inner edge 602. Further, the inner edges 602 of multiple air guide plates 6 are connected sequentially, allowing them to move simultaneously and with the same amplitude in the vertical direction. This synchronized oscillation mechanism ensures that the lift angle adjustment of all air guide plates 6 remains consistent, thereby maintaining the uniformity of the overall airflow pattern. By precisely controlling the vertical position of the inner edge 602, the lift angle of the entire annular air outlet guiding area can be uniformly and precisely adjusted to adapt to different cleaning needs and environmental conditions. Thus, by setting multiple air outlets 401 circumferentially and arranging multiple fan-shaped air guide plates 6 in a circular array, the effective area of ​​airflow and the coverage range of the airflow are significantly expanded. The outer edge 601 of each air guide plate 6 is hinged to the housing, while the inner edge 602 can be controlled to swing synchronously in the vertical direction, allowing for uniform adjustment of the lift angle of all air guide plates 6. This multi-outlet, ring-array configuration of air guide plates 6 enables the device to blow air evenly outward from all sides, forming a larger and more uniform ground airflow disturbance area. Compared to a single air guide plate 6 solution, this solution can more comprehensively and efficiently carry and lift animal hair from a larger area of ​​the ground, thus significantly improving the air purifier's efficiency in collecting and cleaning ground hair. Simultaneously, the synchronous swing of the air guide plates 6 ensures the stability and consistency of the airflow pattern, avoiding problems of excessively strong or weak local airflow, further optimizing the overall hair collection performance.

[0027] In this embodiment, the housing is composed of an upper housing 3 and an air outlet base 4 installed at the bottom of the upper housing 3. The air inlet 301 is opened at the top of the upper housing 3, the air outlet 401 is disposed on the side wall of the air outlet base 4, the guide fan 1 is installed inside the upper housing 3, and the air outlet guide assembly 2 is installed as a whole on the air outlet base 4.

[0028] Specifically, the upper housing 3 is the upper structure of the casing, with an air inlet 301 at its top for drawing in outside air. The internal space of the upper housing 3 is designed to accommodate the guide fan 1 and provide necessary installation support. The guide fan 1 can be, for example, an axial flow fan or a centrifugal fan, and is fixed inside the upper housing 3 by screws, clips, or shock-absorbing brackets to ensure stable operation and guide air downwards. The air outlet base 4 is the lower structure of the casing, installed at the bottom of the upper housing 3 to form a complete casing. The side wall of the air outlet base 4 is provided with an air outlet 401 for discharging the guided air. The internal space of the air outlet base 4 is designed to accommodate the entire air outlet guiding assembly 2, including multiple air guide plates 6, a hinge structure, and a drive mechanism. Thus, by disassembling the casing into two independent parts, the upper housing 3 and the air outlet base 4, and installing the guide fan 1 and the air outlet guiding assembly 2 in their respective parts, a modular design of the device is achieved. This modular structure significantly simplifies the manufacturing and assembly process. Simultaneously, this modular design greatly facilitates the maintenance and repair of the device. Furthermore, the layout of the air inlet 301 located at the top of the upper housing 3 and the air outlet 401 located on the side wall of the air outlet base 4, along with the air guide fan 1 installed inside the upper housing 3 and the air outlet guide assembly 2 integrally installed on the air outlet base 4, ensures a clear and efficient airflow path. This helps optimize the overall performance of the air purifier and better achieve the collection and trapping of hair from the ground.

[0029] In this embodiment, the air outlet guiding component 2 also includes a support frame 8. The support frame 8 includes a support ring 801 and a plurality of legs 802 evenly distributed around the support ring 801. The support frame 8 is fixedly installed on the air outlet base 4. The outer edges 601 of the plurality of air guide plates 6 are sequentially hinged to the support ring 801. After hinged, the outer edge 601 of any air guide plate 6 is flush with the lower edge of the air outlet 401.

[0030] Specifically, the support ring 801 has a radially closed annular structure, used to support and connect the outer edges 601 of multiple air guide plates 6. Multiple support legs 802 extend from the support ring 801, used to securely fix the support ring 801 to the air outlet base 4 and ensure the stable positioning of the support ring 801 in space. These support legs 802 are evenly distributed along the circumference of the support ring 801; for example, three or four equally spaced support legs 802 can be provided. This uniform distribution design helps to disperse stress and provide uniform support force, thereby ensuring the overall stability of the support frame 8. The support legs 802 can be fixed to the air outlet base 4 by means of screws, riveting, welding, or clips. The hinge structure can use pins, hinges, or other components suitable for rotational connection. The outer edge 601 of each air guide plate 6 can be provided with lugs or holes, which cooperate with corresponding holes or pins on the support ring 801 to form a rotatable connection. Thus, by introducing the support frame 8 and fixing it to the air outlet base 4, a stable and precise hinged base is provided for the multiple air guide plates 6, significantly improving structural stability and assembly accuracy. Simultaneously, after hinged connection, the outer edge 601 of each air guide plate 6 is flush with the lower edge of the air outlet 401, ensuring smoother and more precise guidance of airflow as it leaves the air outlet 401, effectively reducing airflow turbulence and energy loss. This makes the effect of the air guide plates 6 guiding air to form lift and disturb the air in the bottom area through the lift angle and torsion angle more stable and efficient, thus improving the overall performance and reliability of the exhaust device.

[0031] In this embodiment, the air outlet guiding component 2 also includes a linkage bracket 9. The linkage bracket 9 includes a connecting ring 901, a drive plate 902, and a connecting rod 903. The drive plate 902 is located below the connecting ring 901. The drive plate 902 and the connecting ring 901 are connected by the connecting rod 903. The inner edges 602 of the multiple air guide plates 6 are sequentially hinged to the connecting ring 901. The drive plate 902 can be driven to move in a single degree of freedom in the vertical direction to achieve synchronous swinging of the inner edges 602 of the multiple air guide plates 6.

[0032] Specifically, the connecting ring 901 is a radially closed annular structure, serving as a common connection point for the inner edges 602 of multiple air guide plates 6. By hinged to this connecting ring 901, it ensures that they can move synchronously when the connecting ring 901 moves. The drive plate 902 transmits its motion state to the connecting ring 901 through the connecting rod 903, thereby causing the inner edges 602 of the air guide plates 6 to swing. The drive plate 902 adopts a circular or polygonal flat plate structure, and the connecting rods 903 can be multiple rods evenly distributed along the circumference of the connecting ring 901 to ensure that the connecting ring 901 is subjected to uniform force and moves smoothly. Thus, this embodiment, by setting the linkage bracket 9, ensures that the inner edges 602 of all air guide plates 6 can swing vertically in a consistent manner, thereby achieving precise and uniform adjustment of the lift angle. This synchronous adjustment capability avoids the problem of local airflow turbulence or reduced efficiency caused by inconsistent movement of a single air guide plate 6, ensuring that the air blown out by the device can be blown out evenly at a set angle, forming a stable lift and effectively disturbing the air in the bottom area, further improving the air purification effect.

[0033] In this embodiment, the air outlet guiding component 2 further includes a flexible connecting layer 10, which is attached to the top or bottom surface of the multiple air guide plates 6 to connect the multiple air guide plates 6 and seal the gap between any two air guide plates 6.

[0034] Specifically, the flexible connecting layer 10 refers to a material layer with a certain degree of elasticity and bendability. Its main function is to connect adjacent air guide plates 6 and provide a sealing function. This connecting layer can be made of various materials, such as silicone rubber, EPDM rubber, polyurethane elastomer, and fabric-reinforced rubber. Its thickness, hardness, and other parameters can be designed according to actual application requirements and the swing amplitude of the air guide plate 6 to ensure that the connecting layer can deform accordingly without damage or excessive stress when the air guide plate 6 swings. The flexible connecting layer 10 can be fixed to the top or bottom surface of the multiple air guide plates 6 forming an array structure. When attached to the top surface, the connecting layer covers the air guide plate 6, forming a relatively smooth overall surface, which helps guide airflow. When attached to the bottom surface, the connecting layer is located below the air guide plate 6, and can also play a connecting and sealing role. The attachment method can be adhesive, riveting, snap-fit ​​connection, or integral molding, etc. The flexible connecting layer 10 connects multiple fan-shaped air guide plates 6 arranged in a ring array into a whole through its own continuity. This connection method allows the individual air guide plates 6 to maintain their relative positional relationship when they swing synchronously at their inner edges 602, ensuring the consistency of the overall structure. Simultaneously, due to its flexibility, the connecting layer does not impede the swing of the air guide plates 6, but rather undergoes elastic deformation accordingly, thus ensuring the normal operation of the lift angle adjustment function. One of the main functions of the flexible connecting layer 10 is to fill and seal the gaps between the air guide plates 6, including axial, circumferential, and radial gaps. By tightly fitting the edges of the air guide plates 6, the connecting layer effectively prevents airflow from escaping from these gaps. This sealing effect ensures that all airflow guided by the air guide fan 1 can be discharged through the lift angle direction of the air guide plates 6, thereby maximizing the airflow guidance efficiency and the disturbance effect on the ground air.

[0035] In this embodiment, the air guiding unit also includes a drive assembly 5 installed at the bottom of the air outlet base 4. The drive assembly 5 includes a drive motor 501, an intermediate transmission pair, and a drive rod 505. The drive rod 505 is vertically arranged and is installed at the center of the bottom surface of the air outlet base 4 in a rotatable manner around its own axis. The upper part of the drive rod 505 is provided with an external thread, and the center position of the drive plate 902 is provided with a threaded hole that mates with the external thread. The intermediate transmission pair includes a drive gear 502, an intermediate gear 503, and a drive gear 504. The drive gear 502 is connected to the drive motor 501 to output the power of the drive motor 501. The intermediate gear 503 meshes with the drive gear 502 and the drive gear 504 respectively. The drive gear 504 is fixedly installed at the lower part of the drive rod 505. The drive motor 501 drives the drive rod 505 to rotate through the intermediate transmission pair to drive the drive plate 902 to move vertically.

[0036] Specifically, the drive motor 501 can be a DC motor, stepper motor, or servo motor, depending on the specific requirements for drive accuracy, speed, and torque. The intermediate transmission pair is responsible for transmitting and converting the rotational power generated by the drive motor 501. This transmission pair consists of a drive gear 502, an intermediate gear 503, and a drive gear 504. The drive gear 502 is connected to the drive motor 501 and receives the power output from the motor; the intermediate gear 503 acts as a transition, meshing with both the drive gear 502 and the drive gear 504; and the drive gear 504 is fixedly mounted on the lower part of the drive rod 505. This multi-stage gear transmission design enables speed reduction and torque increase, ensuring sufficient torque for the drive rod 505 during rotation and improving the smoothness and reliability of the transmission. The drive rod 505 is the key component for converting rotary motion into linear motion; it is vertically positioned and rotates around its own axis. The upper part of the drive rod 505 is machined with external threads, which mate with a threaded hole at the center of the drive plate 902 to form a screw-nut transmission mechanism. When the drive rod 505 rotates under the drive of the drive motor 501 and the intermediate transmission pair, the drive plate 902 will move vertically along the axis of the drive rod 505 because the threaded hole of the drive plate 902 meshes with the external thread of the drive rod 505. The specific selection, arrangement, and installation method of each gear in the intermediate transmission pair can be adjusted by those skilled in the art according to actual conditions. For example, if the power output shaft of the drive motor 501 is horizontally set, then power transmission needs to be achieved through a bevel gear and a flat gear. This is an application of existing technology and will not be elaborated further. Thus, in this embodiment, the drive motor 501 transmits rotational power to the drive rod 505 through the intermediate transmission pair. The rotational motion of the drive rod 505 is precisely converted into the vertical linear motion of the drive plate 902 by the engagement of its upper external thread with the threaded hole of the drive plate 902. This screw-nut transmission mechanism has high transmission accuracy and self-locking properties, ensuring that the drive plate 902 maintains a stable position after adjustment, avoiding accidental displacement due to external interference or power failure. Therefore, the inner edges 602 of multiple air guide plates 6 can achieve synchronous and precise vertical oscillation, thereby finely adjusting the lift angle of the air guide plates 6. This not only improves the reliability and control accuracy of the lift angle adjustment of the air purifier's exhaust device, but also allows the device to more accurately set the air blowing angle according to actual needs, thereby optimizing the entrainment and suction effect of animal hair on the ground, and significantly improving the air purifier's cleaning efficiency and overall performance on the ground area.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0038] The above descriptions are merely embodiments of the present invention. Commonly known structures and characteristics are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are aware of all existing technologies in that field, and have the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, under the guidance of this application, improve and implement this solution in combination with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of the present invention. These should also be considered within the scope of protection of the present invention, and will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An air discharging apparatus of an air cleaner, characterized by comprising: The device includes a housing, a flow guide fan, and an air outlet guiding assembly. The top of the housing has an air inlet, and the lower part of the side wall of the housing has an air outlet. The flow guide fan is installed on the housing to guide air from the air inlet to the air outlet. The air outlet guiding assembly includes an air guide plate installed on the housing and located below the air guide fan. The air guide plate has an outer edge and an inner edge along its own axis. The outer edge of the air guide plate is set towards the air outlet. The outer edge of the air guide plate is higher than the inner edge in the vertical direction to form an angle. The inner edge of the air guide plate can be driven to swing in the vertical direction to adjust the angle of the rise.

2. The exhaust device of an air purifier according to claim 1, characterized in that: The top surface of the air guide plate is fixedly provided with guide vanes, which extend along the diagonal of the top surface of the air guide plate; the guide vanes have a blade tip and a blade root along their own axial direction, the blade tip is flush with the outer edge, the blade root is flush with the inner edge, and the guide vanes are twisted around their own axis so that the blade tip and the blade root form a twist angle.

3. The exhaust device of an air purifier according to claim 1, characterized in that: The angle adjustment range of the air guide plate is 15°-20°.

4. The exhaust device of an air purifier according to claim 2, characterized in that: The torsion angle of the guide vanes is set to 8°-12°.

5. The exhaust device of an air purifier according to claim 2, characterized in that: Multiple air outlets are arranged circumferentially, and the air guides are fan-shaped. Multiple air guides are arranged in a ring array. The outer edges of each of the multiple air guides are respectively hinged to the housing, and the inner edges of each of the multiple air guides can be controlled to swing synchronously in the vertical direction.

6. The exhaust device of an air purifier according to claim 5, characterized in that: The housing consists of an upper housing and an air outlet base installed at the bottom of the upper housing. The air inlet is located at the top of the upper housing, and the air outlet is located on the side wall of the air outlet base. The air guide fan is installed inside the upper housing, and the air outlet guide assembly is installed as a whole on the air outlet base.

7. The exhaust device of an air purifier according to claim 5, characterized in that: The air outlet guiding assembly also includes a support frame, which includes a support ring and a plurality of legs evenly distributed along the circumference of the support ring. The support frame is fixedly installed on the air outlet base. The outer edges of the plurality of air guide plates are sequentially hinged to the support ring. After hinge, the outer edge of any air guide plate is flush with the lower edge of the air outlet.

8. The exhaust device of an air purifier according to claim 5, characterized in that: The air outlet guiding assembly also includes a linkage bracket, which includes a connecting ring, a drive plate, and a connecting rod. The drive plate is located below the connecting ring and is connected to the connecting ring via the connecting rod. The inner edges of the multiple air guide plates are sequentially hinged to the connecting ring. The drive plate can be driven to move with a single degree of freedom in the vertical direction to achieve synchronous swinging of the inner edges of the multiple air guide plates.

9. The exhaust device of an air purifier according to claim 5, characterized in that: The air outlet guiding assembly also includes a flexible connecting layer, which is attached to the top or bottom surface of the plurality of air guide plates to connect the plurality of air guide plates and seal the gap between any two air guide plates.

10. The exhaust device of an air purifier according to claim 8, characterized in that: The air guiding unit also includes a drive assembly installed at the bottom of the air outlet base. The drive assembly includes a drive motor, an intermediate transmission pair, and a drive rod. The drive rod is vertically arranged and mounted at the center of the bottom surface of the air outlet base in a rotatable manner around its own axis. The upper part of the drive rod is provided with an external thread, and the center of the drive plate is provided with a threaded hole that mates with the external thread. The intermediate transmission pair includes a drive gear, an intermediate gear, and a drive gear. The drive gear is connected to the drive motor to output the power of the drive motor. The intermediate gear meshes with both the drive gear and the drive gear. The drive gear is fixedly installed at the lower part of the drive rod. The drive motor drives the drive rod to rotate through the intermediate transmission pair to drive the vertical movement of the drive plate.

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