Nursing appliance

Abstract

The utility model provides a kind of nursing appliance, it has wind tube and air inlet component, wind tube has the air inlet end and air outlet end of relative arrangement, the fluid passage being set through air inlet end and air outlet end, air inlet component is set in air inlet end, air inlet component includes first air inlet piece and second air inlet piece, first air inlet piece is sleeved in the outside of second air inlet piece, first air inlet piece is equipped with first connecting portion in its side away from air outlet end, second air inlet piece is equipped with second connecting portion in its side away from air outlet end, first connecting portion and second connecting portion cooperate to with first air inlet piece and second air inlet piece detachably connected. The air inlet component of the utility model's nursing appliance has good filtering effect, can effectively avoid falling off and is convenient to disassemble.

Description

Technical Field

[0001] This utility model relates to the field of electrical appliances, and in particular to a nursing device. Background Technology

[0002] Traditional nursing devices generally have three types of air intake structures: an air intake structure set on the rear end face of the back cover, an air intake structure set circumferentially on the side surface of the back cover, or an air intake structure set on the surface of the handle.

[0003] When an air intake structure is incorporated into the back cover of a nursing device, the traditional integrated back cover and air duct design leads to dust accumulation over time. Furthermore, the non-removable back cover prevents cleaning of the air intake structure, increasing the load on the device's motor and potentially damaging it due to overheating, thus shortening the device's lifespan. Existing detachable back covers, when connected to the air duct via snap-fit ​​or threaded fasteners, are inconvenient to install and remove. When connected via a magnetic structure on the front face, the small surface area makes the magnetic structure unstable and prone to detachment.

[0004] Therefore, it is necessary to improve existing nursing equipment to address the aforementioned problems. Utility Model Content

[0005] The purpose of this invention is to provide a care device for an air intake component that has a good filtration effect, can effectively prevent detachment, and is easy to disassemble and assemble.

[0006] To achieve the above objectives, this utility model provides a nursing device comprising a blower and an air inlet assembly. The blower has an air inlet end and an air outlet end disposed opposite to each other, and a fluid channel passing through the air inlet end and the air outlet end. The air inlet assembly is disposed at the air inlet end and includes a first air inlet component and a second air inlet component. The first air inlet component is sleeved on the outside of the second air inlet component. The first air inlet component has a first connecting portion on its side away from the air outlet end, and the second air inlet component has a second connecting portion on its side away from the air outlet end. The first connecting portion and the second connecting portion cooperate to detachably connect the first air inlet component and the second air inlet component.

[0007] Thus, the dual-layer air intake assembly, consisting of the first and second air intake components, enhances the filtration effect of the air intake assembly, effectively preventing foreign objects such as hair from being sucked into the air intake assembly, thereby enhancing the stability and safety of the care device. A first connecting part is provided inside the first air intake component on the outer side, maximizing the area that can be set for the first connecting part. A second connecting part is provided on the rear side of the second air intake component on the inner side, so that when the first air intake component is installed onto the second air intake component, a reliable detachable connection can be achieved through the cooperation of the first and second connecting parts. The air intake assembly can be cleaned simply by moving the first air intake component backward.

[0008] As a further improvement of this utility model, the first air inlet includes an end wall and a first circumferential wall connected to the periphery of the end wall. The first circumferential wall is provided with a first air inlet grille, and the first connecting part is disposed on the side of the end wall facing the air outlet.

[0009] Thus, by using the end wall and the first circumferential wall connected thereto to make the first air inlet component into a bowl-shaped structure, a first connecting part can be provided on the end wall, and an air inlet grille can be provided on the first circumferential wall, thereby enabling the provision of a first connecting part with a larger area, thereby increasing the bonding strength between the first air inlet component and the second air inlet component.

[0010] As a further improvement of this utility model, the second connecting part is detachably connected to the first connecting part by magnetic attraction.

[0011] Thus, the second connecting part is configured to be detachably connected to the first connecting part by magnetic attraction, thereby enabling quick assembly and disassembly between the first air inlet component and the second air inlet component, so as to facilitate timely cleaning of the air inlet components.

[0012] As a further improvement of this utility model, the end wall is fixedly connected to the first circumferential wall, and the first connecting part is integrally or detachably connected to the end wall.

[0013] Thus, by fixing the end wall to the first circumferential wall, the overall strength of the first air inlet component is improved; by integrally connecting the first connecting part to the end wall, the modular design of the first air inlet component is realized, which facilitates overall assembly and disassembly; by detachably connecting the first connecting part to the end wall, the first connecting part can be replaced as needed.

[0014] As a further improvement of this utility model, the second air inlet also has a second circumferential wall, which is erected on the periphery of the second connecting part. The second circumferential wall is provided with a second air inlet grille, and the grille gap of the first air inlet grille is smaller than the grille gap of the second air inlet grille.

[0015] Thus, the smaller gaps in the first air intake grille on the outer layer effectively prevent foreign objects such as hair from entering the air duct; the larger gaps in the second air intake grille on the inner layer ensure sufficient air intake efficiency, prevent a decrease in overall air volume, and reduce airflow resistance and turbulence noise.

[0016] As a further improvement of this utility model, the second air inlet component also has a mounting wall connected to the second circumferential wall. The mounting wall and the second connecting portion are located on both sides of the second circumferential wall in the air outlet direction, and the air inlet component is connected to the air duct through the mounting wall.

[0017] In this way, the air intake component is installed inside the air duct through the mounting wall provided on the second air intake component. The mounting wall and the second connecting part are set on both sides in the air outlet direction, so that the mounting wall achieves a rigid connection with the air duct, and the second connecting part achieves a detachable connection with the first air intake component. This disperses local stress, avoids fatigue fracture caused by unilateral connection, and also avoids the formation of airflow obstruction or vortex area between the two on the same plane, thus maintaining the uniformity of air intake.

[0018] As a further improvement of this utility model, the air duct has a cylinder body and a rear cover assembly connected to the cylinder body. The rear cover assembly is located at the air inlet end and has a recessed portion formed inward toward the air outlet end. The air inlet assembly is at least partially housed in the recessed portion, and an air inlet channel for external gas to flow into the nursing device is formed between the air inlet assembly and the rear cover assembly.

[0019] Thus, by setting a rear cover assembly on the rear side of the cylinder, and forming a recessed part on the rear cover assembly, the air intake assembly is set in the recessed part and forms an air intake channel between it and the rear cover assembly. The air intake structure on the rear side is formed by using a compact structural design. The air intake assembly is hidden in the rear cover assembly through the recessed part, which not only reduces airflow loss and improves air intake efficiency, but also makes the overall nursing device more compact, and also reduces the entry of foreign objects into the air duct.

[0020] As a further improvement of this utility model, the air inlet channel is arranged in a ring shape, and the air inlet area of ​​the air inlet channel on the side near the air inlet end is larger than the air inlet area of ​​the air inlet channel on the side near the air outlet end.

[0021] In this way, by setting the air intake channel in a ring shape, and making the air intake area on the side near the air intake end larger than the air intake area on the side near the air outlet end, a gradually narrowing air intake channel is formed in the air intake direction. This causes the airflow to accelerate due to the reduced cross-sectional area during the flow process, forming a local low-pressure area, enhancing the suction force on the surrounding air, improving the overall air intake efficiency, and at the same time guiding the airflow to be more concentrated, reducing turbulence and thus reducing noise.

[0022] As a further improvement of this utility model, in the direction from the air outlet to the air inlet, the circumferential wall of the air inlet assembly is inclined so that its radius gradually decreases.

[0023] In this way, by setting the circumferential wall at an angle, a gradually narrowing air intake channel is formed in the air intake direction, thereby guiding the airflow inward, accelerating the airflow, improving the air intake efficiency, and at the same time guiding the airflow to be more concentrated, reducing turbulence and thus reducing noise.

[0024] As a further improvement of this utility model, the rear cover assembly has an inner sidewall that surrounds the air inlet channel, and the inner sidewall is outwardly flared in the direction from the air outlet to the air inlet so that its radial opening size tends to increase.

[0025] In this way, the outward-expanding inner wall forms a gradually narrowing air intake channel in the air intake direction, thereby guiding the airflow inward, accelerating the airflow, improving the air intake efficiency, and at the same time guiding the airflow to be more concentrated, reducing turbulence and thus reducing noise.

[0026] As a further improvement of this utility model, the rear cover assembly includes a light shield located on the rear side of the cylinder and an outer shell covering the light shield. The recess is formed in the light shield, and the outer shell is detachably connected to the rear side of the cylinder.

[0027] Thus, by setting the rear cover assembly to present its appearance and provide protection through the outer shell on the radially outer side, and to provide rearward light blocking and house the air intake assembly through the sunshade on the radially inner side, it can be disassembled layer by layer during maintenance without the need for overall disassembly.

[0028] As a further improvement of this utility model, the rear cover assembly also includes a light-emitting element and a light-diffusing element located inside the cylinder. The light-diffusing element is located on the side of the light shield near the air outlet end, and the outer shell is semi-transparent and covers the periphery of the light-diffusing element.

[0029] In this way, by setting up light-emitting components and a semi-transparent outer shell, the status can be visualized, or the power and fault reminders can be provided, or the user-friendliness of the nursing device can be improved; by using light-diffusing components to scatter light, the light emitted by the light-emitting components can present a uniform and soft ambient light.

[0030] As a further improvement of this utility model, both the light-emitting element and the light-diffusing element are annular. In the air outlet direction, the light-emitting element is positioned closer to the air outlet end than the light-diffusing element. In the radial direction, the light-diffusing element separates the light-emitting element from the outer casing.

[0031] Thus, by setting the light-emitting element and the light-diffusing element in a ring shape, it is beneficial to the uniform diffusion of light, avoid hot spots or glare, and at the same time, it is beneficial to save space and make the overall structure more compact. The light-diffusing element set between the light-emitting element and the outer shell scatters the light, so that the light emitted by the light-emitting element presents a uniform and soft ambient light.

[0032] The beneficial effects of this utility model are as follows: The nursing device of this utility model enhances the filtration effect of the air intake component by forming a double-layer air intake assembly consisting of a first air intake component and a second air intake component, thereby effectively preventing foreign objects such as hair from being sucked into the air intake assembly, and thus enhancing the stability and safety of the nursing device. A first connecting part is provided inside the first air intake component located on the outer side, so that the area that can be set for the first connecting part is as large as possible. A second connecting part is provided on the rear side of the second air intake component located on the inner side, so that when the first air intake component is installed to the second air intake component, a reliable detachable connection can be achieved through the cooperation of the first and second connecting parts. The air intake assembly can be cleaned simply by moving the first air intake component backward. Attached Figure Description

[0033] Figure 1 This is a three-dimensional schematic diagram of the nursing device of this utility model;

[0034] Figure 2 yes Figure 1 An exploded view of the nursing device after the handle has been removed.

[0035] Figure 3 yes Figure 2 A three-dimensional assembly diagram of the back cover assembly and air intake assembly of the nursing device shown.

[0036] Figure 4 yes Figure 3 An exploded perspective view of the rear cover assembly and air intake assembly shown.

[0037] Figure 5 yes Figure 4 Another view of the rear cover assembly and air intake assembly shown;

[0038] Figure 6 yes Figure 5 An exploded 3D view of the air intake assembly shown.

[0039] Figure 7 yes Figure 6 Another view of the air intake assembly shown;

[0040] Figure 8 yes Figure 1 A sectional view of the nursing appliance shown along line AA;

[0041] Figure 9 yes Figure 3 The diagram shows a cross-sectional view of the rear cover assembly and air intake assembly along line BB.

[0042] In the picture:

[0043] 100. Nursing equipment;

[0044] 1. Air duct; 101. Air inlet; 102. Air outlet; 103. Fluid channel; 104. Air inlet channel; 1041. Inner wall; 12. Cylinder body; 13. Rear cover assembly; 130. Recess; 131. Sunshade; 1312. Positioning post; 132. Outer shell; 133. Light-emitting element; 134. Light-diffusing element;

[0045] 2. Air intake assembly; 201. Circumferential wall; 21. First air intake component; 212. First connecting part; 213. End wall; 214. First circumferential wall; 2141. First air intake grille; 23. Second air intake component; 231. Second connecting part; 232. Second circumferential wall; 2321. Second air intake grille; 233. Mounting wall; Mounting hole 2331; 3. Handle. Detailed Implementation

[0046] The present invention will now be described in detail with reference to the embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any modifications to the mechanism, method, or function made by those skilled in the art based on these embodiments are included within the protection scope of the present invention.

[0047] The terms used herein, such as "up," "down," "left," "right," "front," and "back," indicating spatial relative position, are for illustrative purposes to describe the relationship of one feature relative to another, as shown in the accompanying drawings. It is understood that, depending on the product's placement, these terms may be intended to include different orientations besides those shown in the figures, and should not be construed as limiting the claims. Furthermore, the descriptive term "horizontal" used herein is not entirely equivalent to being perpendicular to the direction of gravity, and allows for a certain angle of inclination.

[0048] Figures 1 to 9 The present invention is shown as an embodiment of the nursing device 100. In the present invention, the nursing device 100 includes a blower 1 and an air inlet assembly 2. The blower 1 has an air inlet end 101 and an air outlet end 102 arranged opposite to each other, and a fluid channel 103 arranged through the air inlet end 101 and the air outlet end 102. The air inlet assembly 2 is arranged at the air inlet end 101.

[0049] In this embodiment, the nursing device 100 also has a handle 3 connected to the air duct 1. The air duct 1 includes a cylinder 12 and a rear cover assembly 13 connected to the cylinder 12. The cylinder 12 is connected to the handle 3, and the rear cover assembly 13 is located at the air inlet end 101.

[0050] The air intake assembly 2 includes a first air intake component 21 and a second air intake component 23. The first air intake component 21 is sleeved on the outside of the second air intake component 23. The first air intake component 21 has a first connecting portion 212 on its side away from the air outlet end 102. The second air intake component 23 has a second connecting portion 231 on its side away from the air outlet end 102. The first connecting portion 212 and the second connecting portion 231 cooperate to detachably connect the first air intake component 21 and the second air intake component 23.

[0051] Thus, the double-layered air intake assembly formed by the first air intake component 21 and the second air intake component 23 enhances the filtration effect of the air intake assembly 2, thereby effectively preventing foreign objects such as hair from being sucked into the air intake assembly 2 and the air duct 1, thereby enhancing the stability and safety of the nursing device 100. A first connecting part 212 is provided inside the first air intake component 21 located on the outer side, so that the area that can be set for the first connecting part 212 is as large as possible. A second connecting part 231 is provided on the rear side of the second air intake component 23 located on the inner side, so that when the first air intake component 21 is installed to the second air intake component 23, a reliable detachable connection can be achieved through the cooperation of the first and second connecting parts 212 and 231. The air intake assembly 2 can be cleaned simply by moving the first air intake component 21 backward.

[0052] The first air inlet component 21 includes an end wall 213 and a first circumferential wall 214 connected to the periphery of the end wall 213. The first circumferential wall is provided with a first air inlet grille 2141, and a first connecting part 212 is provided on the side of the end wall 213 facing the air outlet.

[0053] Thus, by using the end wall 213 and the first circumferential wall 214 connected thereto to make the first air inlet 21 have a bowl-shaped structure, a first connecting part 212 can be provided on the end wall 213, and an air inlet grille 2141 can be provided on the first circumferential wall 214. This allows for the provision of a larger first connecting part 212, thereby increasing the bonding strength between the first air inlet 21 and the second air inlet 23.

[0054] In this embodiment, the air outlet direction is the air outlet direction of the air duct 1 of the nursing device 100. The inner side of the first connecting part 212 is flush with the air outlet direction or embedded in the end wall 213. That is, the side surface of the first connecting part 212 near the air outlet end 102 is coplanar with the end surface of the end wall 213 near the air outlet end 102; or the first connecting part 212 is embedded in the end wall 213 so that the distance from the side surface of the first connecting part 212 near the air outlet end 102 to the air outlet end 102 is greater than the distance from the end surface of the end wall 213 near the air outlet end 102 to the air outlet end 102.

[0055] In this embodiment, the first connecting part 212 is a continuously arranged ring structure, so as to reduce the weight of the air intake component 2 while ensuring sufficient bonding area and bonding strength, thereby making the nursing device 100 lighter; in other embodiments, the first connecting part 212 may also be a discontinuously arranged ring structure, or a single or multiple non-hollow sheet structure.

[0056] The second connecting part 231 is detachably connected to the first connecting part 212 via magnetic attraction. In this way, by setting the second connecting part 231 to be detachably connected to the first connecting part 212 via magnetic attraction, quick assembly and disassembly between the first air inlet component 21 and the second air inlet component 23 can be achieved, so as to facilitate timely cleaning of the air inlet assembly 2.

[0057] In this embodiment, the second connecting part 231 is flat to increase the contact area between the second connecting part 231 and the end wall 213, thereby enhancing the bonding strength between the first air inlet and the second air inlet 23, so that the first air inlet 21 can be firmly installed on the second air inlet 23.

[0058] In other embodiments, the second connecting part 231 can also be connected to the first connecting part 212 by means of a snap or threaded connection, which can also realize the detachable connection between the first air inlet 21 and the second air inlet 23.

[0059] The end wall 213 is fixedly connected to the first circumferential wall 214, and the first connecting part 212 is integrally or detachably connected to the end wall 213.

[0060] Thus, by fixing the end wall 213 to the first circumferential wall 214, the overall strength of the first air inlet 21 is improved, and the first connecting part 212 is integrally connected to the end wall 213, thereby realizing the modular design of the first air inlet 21, which is convenient for overall assembly and disassembly; the first connecting part 212 is detachably connected to the end wall 213, so that the first connecting part 212 can be replaced as needed.

[0061] The second air inlet 23 also has a second circumferential wall 232, which is erected on the periphery of the second connecting part 231. The second circumferential wall 232 is provided with a second air inlet grille 2321, and the grille gap of the first air inlet grille 2141 is smaller than the grille gap of the second air inlet grille 2321.

[0062] Thus, the small gap of the first air intake grille 2141 located on the outer layer effectively prevents foreign objects such as hair from entering the air duct 1; the large gap of the second air intake grille 2321 located on the inner layer ensures sufficient air intake efficiency, avoids a decrease in overall air volume, and at the same time reduces airflow resistance and turbulence noise.

[0063] The first circumferential wall 214 covers the radial outer side of the second circumferential wall 232 and together they form the circumferential wall 201 of the air intake assembly 2.

[0064] The second air inlet component 23 also has a mounting wall 233 connected to the second circumferential wall 232. The mounting wall 233 and the second connecting part 231 are respectively placed on both sides of the second circumferential wall 232 in the air outlet direction, which is the air outlet direction of the air duct 1. The air inlet component 2 is connected to the air duct 1 through the mounting wall 233.

[0065] In this embodiment, the mounting wall 233 extends radially outward from one end of the second circumferential wall 232 near the air outlet end 102, and the mounting wall 233 is provided with a plurality of mounting holes 2331 that pass through it in the air outlet direction.

[0066] Thus, the air intake assembly 2 is installed inside the air duct 1 through the mounting wall 233 provided on the second air intake component 23. The mounting wall 233 and the second connecting part 231 are set on both sides in the air outlet direction, so that the mounting wall 233 achieves a rigid connection with the air duct 1, and the second connecting part 231 achieves a detachable connection with the first air intake component 21. This disperses local stress, avoids fatigue fracture caused by unilateral connection, and also avoids the formation of airflow obstruction or vortex area on the same plane, thus maintaining the uniformity of air intake.

[0067] In this embodiment, the rear cover assembly 13 has a recessed portion 130 formed inward toward the air outlet 102, and the air inlet assembly 2 is at least partially housed in the recessed portion 130. An air inlet channel 104 is formed between the air inlet assembly 2 and the rear cover assembly 13 to allow external air to flow into the nursing device 100.

[0068] Thus, by setting a rear cover assembly 13 on the rear side of the cylinder 12, and forming a recessed portion 130 on the rear cover assembly 13, the air inlet assembly 2 is set in the recessed portion 130 and forms an air inlet channel 104 between it and the rear cover assembly 13. The air inlet structure on the rear side is formed by using a compact structural design. The air inlet assembly 2 is hidden in the rear cover assembly 13 by the recessed portion 130, which not only reduces airflow loss and improves air intake efficiency, but also makes the nursing device 100 more compact overall, and also reduces the entry of foreign objects into the air duct 1.

[0069] The air inlet channel 104 is arranged in a ring shape, and the air inlet area of ​​the air inlet channel 104 on the side near the air inlet end 101 is larger than the air inlet area of ​​the air inlet channel 104 on the side near the air outlet end 102. In this embodiment, the air inlet area is the cross-sectional area of ​​the air inlet channel 104 perpendicular to the air inlet direction as shown by the arrow.

[0070] Thus, by setting the air intake channel 104 in a ring shape, and making the air intake area on the side near the air intake end 101 larger than the air intake area on the side near the air outlet end, a gradually narrowing air intake channel 104 is formed in the air intake direction. This causes the airflow to accelerate due to the reduced cross-sectional area during the flow process, forming a local low-pressure area, enhancing the suction force on the surrounding air, improving the overall air intake efficiency, and at the same time guiding the airflow to be more concentrated, reducing turbulence and thus reducing noise.

[0071] Furthermore, in the direction from the air outlet 102 to the air inlet 101, the circumferential wall 201 of the air inlet assembly 2 is inclined so that its radius gradually decreases. In this way, the inclined circumferential wall 201 forms a gradually narrowing air inlet channel 104 in the air inlet direction, thereby guiding the airflow inward, accelerating the airflow, improving the air intake efficiency, and at the same time guiding the airflow to be more concentrated, reducing turbulence and thus reducing noise.

[0072] The rear cover assembly 13 has an inner sidewall 1041 that surrounds and forms an air intake channel 104. In the direction from the air outlet 102 to the air inlet 101, the inner sidewall 1041 is outwardly flared, tending to increase its radial opening size. In this embodiment, the inner sidewall 1041 can be formed by smoothly connecting a plane parallel to the air intake direction and an inclined surface at an angle to the air intake direction, or it can be formed directly from a smooth curved surface or an inclined surface. Thus, by forming an outwardly flared inner sidewall 1041 to create a gradually narrowing air intake channel 104 in the air intake direction, airflow is guided inward, accelerating the airflow and improving intake efficiency. Simultaneously, the airflow can be more concentrated, reducing turbulence and thus lowering noise.

[0073] In this embodiment, by tilting the circumferential wall 201 of the air inlet assembly 2 and making the inner wall 1041 flare outward to increase the radial opening size, the air inlet area of ​​the air inlet channel 104 on the side near the air inlet end 101 is made larger than the air inlet area of ​​the air inlet channel 104 on the side near the air outlet end 102. In other embodiments, the air inlet area of ​​the air inlet channel 104 on the side near the air inlet end 101 can also be made larger than the air inlet area of ​​the air inlet channel 104 on the side near the air outlet end 102 simply by tilting the circumferential wall 201 of the air inlet assembly 2 or making the inner wall 1041 flare outward to increase the radial opening size.

[0074] Specifically, the rear cover assembly 13 includes a light shield 131 located at the rear of the cylinder and an outer shell 132 covering the light shield 131. The inner wall 1041 that forms the air inlet channel 104 is the inner wall surface of the light shield 131 in the radial direction. A recess 130 is formed in the light shield 131, and the outer shell 132 is detachably connected to the rear of the cylinder 12.

[0075] Thus, by setting the rear cover assembly 13 to present its appearance and provide protection on the radially outer side through the outer shell 132, and to provide rearward light blocking and contain the air intake assembly 2 on the radially inner side through the light shield 131, it can be disassembled layer by layer during maintenance without the need for overall disassembly.

[0076] In this embodiment, the light shield 131 is provided with a positioning post 1312 that is inserted into the mounting hole 2331 to connect the air inlet assembly 2 to the light shield 131 and then position it inside the air duct 1.

[0077] In one embodiment, the rear cover assembly 13 further includes a light-emitting element 133 and a light-diffusing element 134 located inside the cylinder 12. The light-diffusing element 134 is located on the side of the light shield 131 near the air outlet 102, and the outer shell 132 is semi-transparent and covers the periphery of the light-diffusing element 134.

[0078] Thus, by setting up the light-emitting element 133 and the semi-transparent outer shell 132, the status can be visualized, or the power and fault reminders can be provided, or the user-friendliness of the nursing device can be improved; the light diffuser 134 can scatter the light so that the light emitted by the light-emitting element 133 presents a uniform and soft ambient light.

[0079] Both the light-emitting element 133 and the light-diffusing element 134 are annular. In the air outlet direction, the light-emitting element 133 is positioned closer to the air outlet end 102 than the light-diffusing element 134. In the radial direction, the light-diffusing element 134 separates the light-emitting element 133 from the outer casing 132.

[0080] Thus, by setting the light-emitting element 133 and the light-diffusing element 134 in a ring shape, it is beneficial to the uniform diffusion of light, avoiding hot spots or glare, while also saving space and making the overall structure more compact. The light-diffusing element 134, located between the light-emitting element 133 and the outer casing 132, scatters the light, making the light emitted by the light-emitting element 133 present a uniform and soft ambient light. For example, it can soften the direct light emitted by the light-emitting element 133, reduce the glare when users look directly at it, and improve visual comfort; or it can achieve dynamic lighting effects such as gradients and breathing lights through the light-diffusing element 134. At the same time, the light-diffusing element 134 can also provide further protection for the light-emitting element 133, especially in humid environments. The light-diffusing element 134 can act as a physical barrier to prevent dust, fog, etc. from entering the interior of the light-emitting element 133, extending the life of the LEDs or other types of lamp beads installed on the light-emitting element 133.

[0081] In summary, the nursing device 100 of this utility model enhances the filtration effect of the air intake assembly 2 by using a double-layer air intake assembly composed of a first air intake component 21 and a second air intake component 23. A first connecting part 212 is provided inside the first air intake component 21 located on the outer side, so that the area of ​​the first connecting part 212 can be set as large as possible. A second connecting part 231 is provided on the rear side of the second air intake component 23 located on the inner side. Thus, when the first air intake component 21 is installed to the second air intake component 23, a reliable detachable connection can be achieved through the cooperation of the first and second connecting parts 212 and 231. The air intake assembly 2 can be cleaned simply by moving the first air intake component 21 backward.

[0082] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0083] The above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this application without departing from the spirit and scope of the technical solutions of this application.

Claims

1. A nursing device comprising a blower and an air inlet assembly, the blower having an air inlet end and an air outlet end disposed opposite to each other, and a fluid channel extending through the air inlet end and the air outlet end, the air inlet assembly being disposed at the air inlet end, characterized in that, The air intake assembly includes a first air intake component and a second air intake component. The first air intake component is sleeved on the outside of the second air intake component. The first air intake component has a first connecting portion on its side away from the air outlet end. The second air intake component has a second connecting portion on its side away from the air outlet end. The first connecting portion and the second connecting portion cooperate to detachably connect the first air intake component and the second air intake component.

2. The nursing appliance according to claim 1, characterized in that, The first air inlet includes an end wall and a first circumferential wall connected to the periphery of the end wall. The first circumferential wall is provided with a first air inlet grille, and the first connecting part is disposed on the side of the end wall facing the air outlet.

3. The nursing appliance according to claim 2, characterized in that, The second connecting part is detachably connected to the first connecting part by magnetic attraction.

4. The nursing appliance according to claim 2, characterized in that, The end wall is fixedly connected to the first circumferential wall, and the first connecting portion is integrally or detachably connected to the end wall.

5. The nursing appliance according to claim 2, characterized in that, The second air inlet also has a second circumferential wall, which is erected on the periphery of the second connecting part. The second circumferential wall is provided with a second air inlet grille, and the grille gap of the first air inlet grille is smaller than the grille gap of the second air inlet grille.

6. The nursing appliance according to claim 5, characterized in that, The second air inlet also has a mounting wall connected to the second circumferential wall. The mounting wall and the second connecting portion are located on both sides of the second circumferential wall in the air outlet direction. The air inlet assembly is connected to the air duct through the mounting wall.

7. The nursing appliance according to any one of claims 1 to 6, characterized in that, The air duct has a cylinder and a rear cover assembly connected to the cylinder. The rear cover assembly is located at the air inlet end and has a recessed portion formed inward toward the air outlet end. The air inlet assembly is at least partially housed in the recessed portion, and an air inlet channel is formed between the air inlet assembly and the rear cover assembly to allow external air to flow into the nursing device.

8. The nursing appliance according to claim 7, characterized in that, The air inlet channel is arranged in a ring shape, and the air inlet area of ​​the air inlet channel on the side near the air inlet end is larger than the air inlet area of ​​the air inlet channel on the side near the air outlet end.

9. The nursing appliance according to claim 8, characterized in that, In the direction from the air outlet to the air inlet, the circumferential wall of the air inlet assembly is inclined so that its radius gradually decreases.

10. The nursing appliance according to claim 8, characterized in that, The rear cover assembly has an inner wall that surrounds the air inlet channel, and the inner wall is flared outward in the direction from the air outlet to the air inlet so that its radial opening size gradually increases.

11. The nursing appliance according to claim 7, characterized in that, The rear cover assembly includes a light shield located on the rear side of the cylinder and an outer shell covering the light shield. The recess is formed in the light shield, and the outer shell is detachably connected to the rear side of the cylinder.

12. The nursing appliance according to claim 11, characterized in that, The rear cover assembly also includes a light-emitting element and a light-diffusing element located inside the cylinder. The light-diffusing element is located on the side of the light shield near the air outlet end, and the outer shell is semi-transparent and covers the periphery of the light-diffusing element.

13. The nursing appliance according to claim 12, characterized in that, Both the light-emitting element and the light-diffusing element are annular. In the air outlet direction, the light-emitting element is positioned closer to the air outlet end than the light-diffusing element. In the radial direction, the light-diffusing element separates the light-emitting element from the outer casing.

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