Diffuser and care appliance

Abstract

This utility model discloses a diffuser and a care device. The diffuser includes: a housing having an air inlet and an air outlet, with an airflow channel formed between the air inlet and the air outlet, the air inlet being used to communicate with the air outlet of a hair dryer; an air outlet panel disposed at the air outlet of the housing, the air outlet panel having a first air outlet assembly, the first air outlet assembly including a plurality of mutually spaced first air outlet columns and a plurality of mutually spaced second air outlet columns, the plurality of first air outlet columns being located within an area enclosed by the plurality of second air outlet columns, the air outlets of the first air outlet columns being arranged facing away from the central axis of the air outlet panel, and the air outlets of the second air outlet columns being arranged facing within the area enclosed by the plurality of second air outlet columns; wherein, the direction in which the air outlets of the first air outlet columns face is at an angle to the radius of the air outlet panel, or the direction in which the air outlets of the second air outlet columns face is at an angle to the radius of the air outlet panel.

Description

Technical Field

[0001] This utility model relates to the field of blower equipment technology, and in particular to a diffuser and a care device. Background Technology

[0002] A diffuser is a known type of accessory for a hair dryer. The diffuser is attached to the air outlet end of the hair dryer and is used to reduce the speed of the airflow emitted from the hair dryer before it reaches the user's hair.

[0003] However, the use of diffusers in related technologies causes airflow collisions in the hair dryer, resulting in problems such as turbulence and noise, which affects the user experience. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a diffuser in which the air outlet direction of one of the first and second air outlet columns is set at an angle to the radius of the air outlet panel, so that the airflow of the first and second air outlet columns avoids direct collision, thereby optimizing the airflow distribution and reducing turbulence and noise caused by collision.

[0005] This utility model further proposes a nursing device.

[0006] A diffuser according to a first aspect of the present invention includes: a housing having a communicating air inlet and an air outlet, wherein an airflow channel is formed between the air inlet and the air outlet, and the air inlet is used to communicate with the air outlet of a blower; an air outlet panel disposed at the air outlet of the housing, the air outlet panel having a first air outlet assembly communicating with the airflow channel, the first air outlet assembly including a plurality of mutually spaced first air outlet columns and a plurality of mutually spaced second air outlet columns, the plurality of first air outlet columns being located within an area enclosed by the plurality of second air outlet columns, the air outlets of the first air outlet columns being arranged facing away from the central axis of the air outlet panel, and the air outlets of the second air outlet columns being arranged facing within the area enclosed by the plurality of second air outlet columns; wherein the direction in which the air outlets of the first air outlet columns face is at an angle to the radius of the air outlet panel, or the direction in which the air outlets of the second air outlet columns face is at an angle to the radius of the air outlet panel.

[0007] According to the diffuser of this utility model embodiment, the air outlet direction of one of the first air outlet column and the second air outlet column is set at an angle to the radius of the air outlet panel, so that the airflow of the first air outlet column and the second air outlet column avoids direct collision, thereby optimizing the airflow distribution and reducing turbulence and noise caused by collision.

[0008] According to some embodiments of the present invention, the air outlet of the first air outlet column is arranged to emit an airflow between two adjacent second air outlet columns.

[0009] According to some embodiments of the present invention, the air outlet of the first air outlet column is arranged to emit an airflow toward the midpoint of the line connecting two adjacent second air outlet columns.

[0010] According to some embodiments of this utility model, the air outlet directions of the plurality of first air outlet columns are rotationally symmetrical.

[0011] According to some embodiments of this utility model, the number of the first air outlet columns is 6, and the number of the second air outlet columns is 12.

[0012] According to some embodiments of the present invention, a plurality of first air outlet columns form a first ring, and a plurality of second air outlet columns form a second ring, wherein the first ring and the second ring are concentric.

[0013] According to some embodiments of the present invention, the air outlet panel is provided with a second air outlet component that communicates with the airflow channel. The second air outlet component consists of multiple air outlet holes, and the area occupied by the multiple air outlet holes on the surface of the air outlet panel is greater than 50% of the surface area of ​​the air outlet panel.

[0014] According to some embodiments of the present invention, the second air outlet component further includes a plurality of blind holes, and the area formed by the plurality of blind holes is located within the area formed by the plurality of air outlet holes.

[0015] According to some embodiments of the present invention, the ratio of the area of ​​the region formed by the plurality of blind holes to the area of ​​the air outlet panel is less than or equal to 30%.

[0016] A nursing device according to a second aspect of the present invention includes: a hair dryer and the diffuser, wherein the diffuser is disposed on the hair dryer and the air inlet is connected to the hair dryer.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a perspective view of a diffuser according to an embodiment of the present utility model;

[0020] Figure 2This is a front view of a diffuser according to an embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of the air outlet of the diffuser according to an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the explosion of a diffuser according to an embodiment of the present invention. Figure 1 ;

[0023] Figure 5 This is a schematic diagram of the explosion of a diffuser according to an embodiment of the present invention. Figure 2 ;

[0024] Figure 6 This is a cross-sectional view of a diffuser according to an embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram showing the air outlet arrangement and orientation of the first air outlet column according to an embodiment of the present utility model.

[0026] Figure label:

[0027] 100. Diffuser; 1. Housing; 11. Air inlet; 12. Air outlet; 13. Outer shell; 14. Inner shell; 2. Air outlet panel; 21. First air outlet assembly; 211. First air outlet column; 212. Second air outlet column; 22. Second air outlet assembly; 221. Air outlet hole; 222. Blind hole; 223. Blind hole area; 3. Noise reduction component; 4. Air guide component. Detailed Implementation

[0028] The embodiments of the present invention are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present invention are described in detail below.

[0029] The following is for reference. Figures 1-7 Describes a diffuser according to an embodiment of the present invention.

[0030] like Figures 1-7 As shown, the diffuser 100 includes a housing 1 and an air outlet panel 2. The housing 1 has a communicating air inlet 11 and an air outlet 12, forming an airflow channel between the air inlet 11 and the air outlet 12. The air inlet 11 of the housing 1 is used to communicate with the air outlet of a blower. The air outlet panel 2 is disposed at the air outlet 12 of the housing 1, and the air outlet panel 2 is provided with a first air outlet assembly 21 communicating with the airflow channel. The first air outlet assembly 21 includes a plurality of mutually spaced first air outlet columns 211 and a plurality of mutually spaced second air outlet columns 212. The plurality of first air outlet columns 211 are all located in the area enclosed by the plurality of second air outlet columns 212. The air outlets of the first air outlet columns 211 are arranged facing away from the central axis of the air outlet panel 2, and the air outlets of the second air outlet columns 212 are arranged facing the area enclosed by the plurality of second air outlet columns 212.

[0031] like Figure 7 As shown, the surface of the air outlet panel 2 with the first air outlet component 21 has a center point O where the central axis of the air outlet panel 2 is located, and the first air outlet column 211 has a center point P. A tangent L is drawn through the center point P and the line connecting the center point P and the center point O. It should be understood that, with the tangent L as the boundary, the side of the tangent L away from the center point O is the direction of the air outlet of the first air outlet column 211 away from the central axis of the air outlet panel 2.

[0032] Specifically, the diffuser 100 is used to connect to the hair dryer. The airflow blown out by the hair dryer enters from the air inlet 11 of the housing 1, passes through the airflow channel of the housing 1, and flows to the air outlet panel 2. Guided by the first air outlet column 211 and the second air outlet column 212, the airflow blows in different directions, thereby diffusing and slowing down the airflow blown out by the hair dryer.

[0033] Generally, the housing 1 primarily serves to form an airflow channel, guiding the airflow from the hair dryer to increase the contact area with the hair. Specifically, the housing 1 can be roughly funnel-shaped, and the cross-sectional area of ​​the housing 1 gradually increases from the air inlet 11 to the air outlet 12. This allows the airflow from the hair dryer to flow along the extension direction of the airflow channel within the housing 1 to the air outlet 12, increasing the air outlet area. The funnel shape of the housing 1 facilitates the concentration of airflow at various points on the inner circumference of the housing 1, thereby aiding in drying the user's hair. Furthermore, to reduce the overall weight of the hair dryer and improve the ease of handheld operation, the housing 1 can be made of plastic, such as ABS, POM, PS, PMMA, PC, PET, etc. The air inlet 11 of the housing 1 is mainly used for communication with the hair dryer; specifically, it can be achieved by creating a through hole connecting to the hair dryer body. The air inlet 11 of the housing 1 and the hair dryer can be fixedly connected as an integral structure to improve the connection strength between the diffuser 100 and the fan body. Alternatively, the air inlet 11 of the housing 1 and the hair dryer can be detachably connected using screws, clips, or magnets for easy disassembly and maintenance. The first air outlet assembly 21 mainly receives the airflow within the housing 1 and directs the airflow through the first air outlet column 211 and the second air outlet column 212, achieving multi-dimensional airflow direction adjustment. Furthermore, the first air outlet assembly 21 can protrude from the surface of the air outlet panel 2, roughly forming a columnar shape. When the user uses the diffuser 100 to blow-dry, the columnar first air outlet assembly 21 can contact the scalp, providing support and maintaining a certain distance between the diffuser 100 and the hair, preventing the hair from sticking to the diffuser 100 due to excessive closeness. To prevent the diffuser 100 from scratching the scalp, the end face of the first air outlet assembly 21 away from the air outlet panel 2 and the side peripheral face of the first air outlet assembly 21 can be smoothly transitioned.

[0034] In addition, combined Figure 2 As shown, multiple first air outlet columns 211 are arranged circumferentially along the air outlet panel 2. The airflow blown by the multiple first air outlet columns 211 can diffuse and flow on the surface of the air outlet panel 2, thereby forming a relatively uniform gas flow on the surface of the air outlet panel 2. Similarly, multiple second air outlet columns 212 are arranged circumferentially along the air outlet panel 2. The airflow blown by the multiple second air outlet columns 212 can diffuse and flow on the surface of the air outlet panel 2, thereby forming a relatively uniform airflow on the surface of the air outlet panel 2.

[0035] Furthermore, the air outlet of the first air outlet column 211 is arranged facing away from the central axis of the air outlet panel 2, for directional airflow, thereby expanding the airflow range of the first air outlet column 211 in the direction away from the central axis of the air outlet panel 2. The air outlet of the second air outlet column 212 is arranged facing the area enclosed by multiple second air outlet columns 212, for directional airflow. This arrangement has a converging effect on the airflow blown out by the first air outlet column 211, making the overall airflow more concentrated, and also reducing turbulence and airflow interference. This optimized airflow design can improve the airflow guidance while ensuring a large airflow coverage area, thereby enhancing the overall airflow effect and improving the user experience. When the user uses the diffuser 100, it will more evenly disperse the airflow, avoiding the airflow blowing directly onto the same position of the hair, effectively reducing frizz, making the hair look more natural, flowing, and long-lastingly voluminous, especially suitable for curly hair, and can better maintain the curly hairstyle. In other words, the diffuser 100 of this utility model can meet the user's needs for voluminous styling and flowing curly hair.

[0036] Furthermore, the direction in which the air outlet of the first air outlet column 211 faces is set at an angle to the radius of the air outlet panel 2, or the direction in which the air outlet of the second air outlet column 212 faces is set at an angle to the radius of the air outlet panel 2.

[0037] In other words, the angle between the air outlet direction of one of the first air outlet column 211 and the second air outlet column 212 and the radius of the air outlet panel 2 is not 0, while the angle between the air outlet direction of the other of the first air outlet column 211 and the second air outlet column 212 and the radius of the air outlet panel 2 is 0.

[0038] In this embodiment, combined with Figures 1-3 As shown, the angle between the air outlet direction of the second air outlet column 212 and the radius of the air outlet panel 2 is 0°, while the angle between the air outlet direction of the first air outlet column 211 and the radius of the air outlet panel 2 is not 0°. Thus, the air outlet directions of the first air outlet column 211 and the second air outlet column 212 are staggered, preventing direct airflow collisions and optimizing airflow distribution. This reduces turbulence and noise caused by collisions, resulting in a more uniform and coordinated airflow across the entire air outlet panel 2.

[0039] It is understood that in other embodiments, the angle between the air outlet direction of the first air outlet column 211 and the radius of the air outlet panel 2 is 0, and the angle between the air outlet direction of the second air outlet column 212 and the radius of the air outlet panel 2 is not 0, so that the airflow of the first air outlet column 211 and the second air outlet column 212 can avoid direct collision.

[0040] Therefore, by adjusting the direction of the air outlets of the first air outlet column 211 and the second air outlet column 212, the airflow of the first air outlet column 211 and the second air outlet column 212 can avoid direct collision, thereby optimizing the airflow distribution, reducing turbulence and noise caused by collision, and making the airflow of the entire air outlet panel 2 more uniform and coordinated.

[0041] It should be understood that when the air outlet panel 2 is arc-shaped, the radius of the air outlet panel 2 is the radius of the approximate circle enclosed by the arc-shaped air outlet panel 2.

[0042] In this embodiment, the air outlet of the first air outlet column 211 is arranged to emit an airflow between two adjacent second air outlet columns 212.

[0043] Combination Figure 1 and Figure 3 As shown, the airflow blown out by the first air outlet column 211 is directed towards the space between two adjacent second air outlet columns 212. This further avoids the airflow of the first air outlet column 211 and the second air outlet column 212 directly colliding, making the airflow in the central area of ​​the air outlet panel 2 more uniform and coordinated, while expanding the air outlet range of the first air outlet column 211 in the direction away from the central axis of the air outlet panel 2.

[0044] like Figure 3 As shown, in two adjacent second air outlet columns 212, the airflow from one second air outlet column 212 is directed towards the two adjacent first air outlet columns 211, while the airflow from the other second air outlet column 212 is directed towards the adjacent first air outlet column 211. Furthermore, the airflow from the second air outlet column 212 does not interfere with the airflow from the first air outlet column 211. This also prevents the airflow from directly colliding with the airflow from the first air outlet column 211 and the second air outlet column 212, thereby optimizing the airflow distribution and reducing turbulence and noise caused by the collision. Therefore, the airflow across the entire air outlet panel 2 is more uniform and coordinated, effectively reducing air outlet noise.

[0045] The second air outlet column 212 that blows airflow between two adjacent first air outlet columns 211 and the second air outlet column 212 that blows airflow towards the adjacent first air outlet column 21 are alternately arranged.

[0046] Furthermore, the air outlet of the first air outlet column 211 is arranged to emit an airflow toward the midpoint of the line connecting two adjacent second air outlet columns 212.

[0047] Combination Figure 1 and Figure 3As shown, the airflow from the first air outlet column 211 is directed towards the center position between two adjacent second air outlet columns 212, ensuring that the airflow from the first air outlet column 211 does not deviate towards either of the second air outlet columns 212. This prevents the airflow between the first air outlet column 211 and its two adjacent second air outlet columns 212 from directly colliding. At the same time, it maximizes the airflow range and effect of the first air outlet column 211 in the direction away from the central axis of the air outlet panel 2, thereby optimizing the airflow distribution, reducing turbulence and noise caused by collision, and making the airflow of the entire air outlet panel 2 more uniform and coordinated, thus effectively reducing the air outlet noise.

[0048] It is understood that in other embodiments, when three adjacent second air outlet columns 212 are approximately equally close to a first air outlet column 211, the first air outlet column 211 can form two air outlets, respectively emitting airflow towards the center between any two adjacent second air outlet columns 212. Alternatively, when three or more adjacent second air outlet columns 212 are approximately equally close to a first air outlet column 211, the first air outlet column 211 forms multiple air outlets to emit airflow from the center between any two adjacent second air outlet columns 212 as far as possible.

[0049] In this embodiment, the air outlet directions of the plurality of first air outlet columns 211 are arranged in a rotationally symmetrical manner.

[0050] Combination Figure 3As shown, multiple first air outlet columns 211 are arranged in a circular array with the center point of the air outlet panel 2 as the array center, so that the air outlet direction of the multiple first air outlet columns 211 is arranged in a rotationally symmetrical manner. This allows the multiple first air outlet columns 211 to work together to form a counterclockwise or clockwise rotating airflow, ultimately creating a vortex-like air outlet pattern. This configuration, by forming a vortex airflow, fully utilizes the kinetic energy of the air, making the airflow more uniform and having stronger penetrating power, thereby increasing the overall coverage of the airflow and improving the drying efficiency. This vortex-like airflow can provide concentrated airflow, accelerating the airflow speed over the hair or object surface, thus removing moisture more efficiently, achieving the effect of rapid drying or accelerating the evaporation of moisture from the object surface. Furthermore, the vortex-like airflow can better diffuse, covering a larger area. This means that even without directly targeting a specific point, a relatively uniform drying effect can be achieved, reducing the risk of localized overheating. Moreover, the good fluidity of the vortex airflow helps to remove heat, avoiding excessively high local temperatures and high-temperature damage to the hair, which is especially suitable for hair dryers with heating functions. In addition, for hair dryers with ion generators, vortex airflow helps distribute these ions more evenly in the air, thus more effectively neutralizing static electricity, smoothing frizz, and reducing hair roughness. Compared to straight airflow, vortex airflow can penetrate the hair strands more deeply, drying evenly from root to tip and speeding up the overall drying process. At the same time, vortex airflow can buffer and disperse airflow impact to some extent, helping to reduce turbulence noise and improving user comfort.

[0051] In this embodiment, the air outlet directions of the plurality of first air outlet columns 211 are rotationally symmetrical, and the air outlet pattern formed by the plurality of first air outlet columns 211 is a counterclockwise air outlet pattern.

[0052] In this embodiment, combined with Figure 1 and Figure 3 As shown, there are 6 first air outlet columns 211 and 12 second air outlet columns 212. This ensures that each pair of adjacent second air outlet columns 212 corresponds to one first air outlet column 211. The airflow from one second air outlet column 212 is directed towards its two adjacent first air outlet columns 211, while the airflow from the other second air outlet column 212 is directed towards its adjacent first air outlet column 211. Furthermore, the airflow from the second air outlet columns 212 does not interfere with the airflow from the first air outlet columns 211. This also prevents direct airflow collisions between the first and second air outlet columns 211 and 212, thus optimizing airflow distribution and reducing turbulence and noise caused by collisions. Moreover, the pair of adjacent second air outlet columns 212 and their corresponding first air outlet columns 211 can more evenly and uniformly distribute the airflow from the airflow channel, thereby optimizing airflow distribution and reducing turbulence and noise. Therefore, the airflow across the entire air outlet panel 2 is more uniform and coordinated, effectively reducing airflow noise.

[0053] It is understood that in other embodiments, for example, the number of second air outlet columns 212 is more than twice the number of first air outlet columns 211, or the number of second air outlet columns 212 is less than twice the number of first air outlet columns 211. The number of first air outlet columns 211 and second air outlet columns 212 can be arranged and designed according to the actual air outlet area and air outlet shape of the air outlet panel 2.

[0054] In this embodiment, multiple first air outlet columns 211 form a first ring, and multiple second air outlet columns 212 form a second ring, with the first and second rings concentric. This arrangement, from a first perspective, ensures that the multiple first air outlet columns 211 and multiple second air outlet columns 212 can evenly distribute the airflow within the air outlet area of ​​the air outlet panel 2, thereby ensuring a more uniform distribution of airflow within the air outlet panel 2. This prevents the airflow from the blower from spreading more evenly within the air outlet area of ​​the air outlet panel 2, thus avoiding problems of excessively strong or weak local airflow. From a second perspective, the multiple first air outlet columns 211 are located within the annular area enclosed by the multiple second air outlet columns 212, such that the airflow from one of two adjacent second air outlet columns 212 is directed towards the two adjacent first air outlet columns 211, while the airflow from the other second air outlet column 212 is directed towards the adjacent first air outlet column 211. Furthermore, the airflow from the second air outlet columns 212 does not interfere with the airflow from the first air outlet columns 211. At the same time, it also allows the airflow of the first air outlet column 211 and the second air outlet column 212 to avoid direct collision, thereby optimizing the airflow distribution and reducing turbulence and noise caused by collision. Therefore, the airflow of the entire air outlet panel 2 is more uniform and coordinated, which can effectively reduce the air outlet noise.

[0055] In this embodiment, the air outlet panel 2 is provided with a second air outlet component 22 that is connected to the airflow channel. The second air outlet component 22 consists of a plurality of air outlet holes 221, and the area occupied by the plurality of air outlet holes 221 on the surface of the air outlet panel 2 is greater than 50% of the surface area of ​​the air outlet panel 2.

[0056] Combination Figure 2 As shown, multiple air outlet holes 221 are formed on the air outlet panel 2. The area occupied by the multiple air outlet holes 221 on the surface of the air outlet panel 2 is greater than half of the surface area of ​​the air outlet panel 2. In this way, the air outlet area of ​​the air outlet panel 2 is increased. Moreover, the airflow blown out by the air outlet holes 221 of the air outlet panel 2 is parallel to the central axis of the air outlet panel 2. Combined with the air outlet direction of the first air outlet column 211 and the second air outlet column 212, it can be ensured that the airflow blown out by the blower can be evenly diffused in the central area of ​​the air outlet panel 2, further expanding the air outlet form of the air outlet panel 2. Thus, not only is the air outlet coverage of the air outlet panel 2 improved, but the overall air outlet effect is also enhanced, and the air outlet efficiency is improved.

[0057] The surface of the air outlet panel 2, which houses the first air outlet component 21 and the second air outlet component 22, is divided into an air outlet area and a non-air outlet area. The non-air outlet area surrounds the air outlet area, and the air outlet area occupies more than 90% of the total surface area of ​​the air outlet panel 2. This effectively ensures that the surface of the air outlet panel 2 has sufficient air outlet area, thereby guaranteeing the air outlet effect. It should be noted that the air outlet area includes the area formed by multiple air outlet holes 221 and the area formed by the first air outlet column 211 and the second air outlet column 212. It can be understood that in other embodiments, the air outlet panel 2 is provided with a second air outlet component 22 that communicates with the airflow channel. The second air outlet component 22 consists of multiple air outlet holes 221 and multiple blind holes 222, and the area formed by the multiple blind holes 222 is located within the area formed by the multiple air outlet holes 221.

[0058] Among them, see Figure 2 As shown, the area formed by multiple blind holes 222 is a circular blind hole area 223.

[0059] like Figure 1 and Figure 2 As shown, the air outlet panel 2 has multiple air outlet holes 221 and multiple blind holes 222. The area formed by the multiple blind holes 222 is surrounded by the area formed by the multiple air outlet holes 221, where the blind holes 222 are non-penetrating holes. In this way, the airflow corresponding to the blind hole area 223 on the air outlet panel 2 can be dispersed to the perimeter of the air outlet panel 2 and blown out from the first air outlet column 211 or the second air outlet column 212 or the air outlet holes 221, thereby diffusing the airflow, reducing the airflow velocity, providing a gentler airflow, and improving the user's comfort.

[0060] like Figure 1 and Figure 4 As shown, in the embodiment where air outlet 221 and blind hole 222 are provided, the position of air inlet 11 corresponds to the position of blind hole area 223, so that the airflow flowing in from air inlet 11 flows directly to blind hole area 223, thereby directly dispersing the airflow, which can better disperse the airflow and improve the user's comfort experience.

[0061] In this embodiment, the ratio of the area formed by the plurality of blind holes 222 to the area of ​​the air outlet panel 2 is less than or equal to 30%.

[0062] Combination Figure 2As shown, the area formed by the blind hole region 223 is less than or equal to 30% of the area of ​​the air outlet panel 2. In this way, the function of dispersing airflow is achieved while ensuring the air outlet effect. If the blind hole region 223 occupies too large an area of ​​the air outlet panel 2, it will affect the air outlet effect and lose the main function of the diffuser 100 in guiding airflow. Therefore, the optimization of gentle air outlet is achieved without affecting the air outlet effect.

[0063] like Figure 5 and Figure 6 As shown, the housing 1 includes an outer shell 13 and an inner shell 14. The inner shell 14 is disposed within the outer shell 13, and at least a portion of the outer shell 13 defines an air inlet 11 and an air outlet 12, respectively. The outer shell 13 protects the inner shell 14, preventing damage to the inner shell 14 and its internal components should the diffuser 100 fall. A gap is formed between the inner shell 14 and the inner wall of the outer shell 13, supporting the inner shell 14 on the side of the air outlet panel 2 facing away from the first air outlet assembly 21. The air outlet panel 2 is connected to both the outer shell 13 and the inner shell 14. Thus, the inner shell 14 provides fixed support for the air outlet panel 2, preventing it from wobbling. Furthermore, the airflow from the blower primarily passes through the space formed by the inner shell 14. The gap between the inner shell 14 and the inner wall of the outer shell 13 creates an air layer, preventing heat transfer from the inner shell 14 to the outer shell 13, thus preventing burns.

[0064] In another embodiment of this utility model, the diffuser 100 further includes: a guide member 4, which is disposed in the airflow channel and is used to guide the airflow flowing in from the air inlet 11 to diffuse to the periphery of the air outlet panel 2. Figure 6 As shown, when the airflow flowing in from the air inlet 11 passes through the guide member 4 in the airflow channel, the airflow diffuses and flows around the outer contour of the guide member 4, thereby causing the airflow to diffuse out to the periphery of the air outlet panel 2.

[0065] In this embodiment, the air inlet 11 is constructed as a ring, and along the projection of the air inlet 11 in the air intake direction, the end of the guide member 4 facing the air inlet 11 is located at the center of the air inlet 11. In this way, airflow can be introduced from multiple directions and flow from the periphery of the outer contour of the guide member 4 to the air outlet panel 2, thereby making the airflow more evenly distributed in all directions and preventing the airflow from concentrating in a specific area.

[0066] In this configuration, the end of the guide member 4 facing the air outlet 12, projected along the air inlet 11, corresponds to the area near the center of the air outlet panel 2. Thus, the airflow entering through the air inlet 11 is guided by the guide member 4 and diffuses outwards from the periphery of the air outlet panel 2, dispersing the airflow and reducing airflow loss.

[0067] According to some embodiments of this utility model, the diffuser 100 further includes a noise reduction component 3 disposed within the airflow channel. The noise reduction component 3 has noise reduction holes communicating with the airflow channel. Airflow from the air inlet 11 of the housing 1 is introduced into the airflow channel, and at least part of the airflow passes through the noise reduction holes before flowing through the air outlet assembly and leaving the diffuser 100. It should be noted that multiple noise reduction holes can be provided to allow airflow to pass through as many noise reduction holes as possible for noise reduction. Specifically, the diameter of the noise reduction holes should generally be less than 2.5 mm, and the smaller the diameter of the holes, the better the noise shielding effect. In addition, in this embodiment, based on the funnel shape of the housing 1 and the arc shape of the air outlet panel, the noise reduction component 3 is arranged in an arc shape. The arc-shaped noise reduction component 3 can contact the airflow to a greater extent than the planar noise reduction component 3, thereby improving the noise reduction effect and improving the user experience. In the technical solution provided in this embodiment, noise can be effectively reduced by providing a noise reduction component 3 in the diffuser 100 and further by providing a noise reduction hole on the noise reduction component 3 and setting the size of the noise reduction hole according to the size of the hair dryer.

[0068] A nursing device according to a second aspect embodiment of the present invention includes: a hair dryer and a diffuser 100. The diffuser 100 is disposed on the hair dryer, and the air inlet 11 of the housing 1 is connected to the hair dryer. The housing 1 of the diffuser 100 is connected to the hair dryer. The airflow from the hair dryer enters through the air inlet 11 of the housing 1, passes through the airflow channel, flows to the air outlet panel 2, and is then blown out to the outside through the first air outlet assembly 21 and the second air outlet assembly 22.

[0069] Therefore, when the diffuser 100 is used for a hair dryer, the airflow blown out by the hair dryer first enters the airflow channel from the air inlet 11 of the housing 1. The airflow flows to the blind hole area 223 of the air outlet panel 2 and is dispersed to the surrounding area. Alternatively, when a guide is installed, the airflow is dispersed to the surrounding area of ​​the air outlet panel 2 via the guide 4, so that the airflow is dispersed and flows out from multiple first air outlet columns 211 or multiple second air outlet columns 212 or multiple air outlet holes 221, thereby playing the role of diffusing airflow and reducing airflow velocity.

[0070] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to 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 utility model.

[0071] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0072] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A diffuser, characterized in that, include: The housing has an air inlet and an air outlet that are connected to each other, and an airflow channel is formed between the air inlet and the air outlet. The air inlet is used to connect with the air outlet of the hair dryer. An air outlet panel is provided at the air outlet of the housing. The air outlet panel is provided with a first air outlet assembly that communicates with the airflow channel. The first air outlet assembly includes a plurality of first air outlet columns and a plurality of second air outlet columns that are spaced apart from each other. The plurality of first air outlet columns are all located in the area enclosed by the plurality of second air outlet columns. The air outlets of the first air outlet columns are arranged to face away from the central axis of the air outlet panel, and the air outlets of the second air outlet columns are arranged to face the area enclosed by the plurality of second air outlet columns. Wherein, the direction in which the air outlet of the first air outlet column faces is set at an angle to the radius of the air outlet panel, or the direction in which the air outlet of the second air outlet column faces is set at an angle to the radius of the air outlet panel.

2. The diffuser according to claim 1, characterized in that, The air outlet of the first air outlet column is arranged to emit an airflow between two adjacent second air outlet columns.

3. The diffuser according to claim 1, characterized in that, The air outlet of the first air outlet column is arranged to emit airflow toward the midpoint of the line connecting two adjacent second air outlet columns.

4. The diffuser according to any one of claims 2 or 3, characterized in that, The air outlet directions of the multiple first air outlet columns are rotationally symmetrical.

5. The diffuser according to claim 4, characterized in that, The number of the first air outlet columns is 6, and the number of the second air outlet columns is 12.

6. The diffuser according to claim 1, characterized in that, Multiple first air outlet columns form a first ring, and multiple second air outlet columns form a second ring, with the first ring and the second ring being concentric.

7. The diffuser according to claim 1, characterized in that, The air outlet panel is provided with a second air outlet component that is connected to the airflow channel. The second air outlet component consists of multiple air outlet holes, and the area occupied by the multiple air outlet holes on the surface of the air outlet panel is greater than 50% of the surface area of ​​the air outlet panel.

8. The diffuser according to claim 7, characterized in that, The second air outlet component also includes a plurality of blind holes, and the area formed by the plurality of blind holes is located within the area formed by the plurality of air outlet holes.

9. The diffuser according to claim 8, characterized in that, The ratio of the area of ​​the region formed by the plurality of blind holes to the area of ​​the air outlet panel is less than or equal to 30%.

10. A nursing appliance, characterized in that, include: Hair dryer; The diffuser according to any one of claims 1-9, wherein the diffuser is disposed on the hair dryer and the air inlet is in communication with the hair dryer.

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