Aromatherapy machine structure
By using essential oil cotton pads and a filter structure in the aroma diffuser, combined with a magnet and limit locking design, the problems of unhygienic use and water leakage when tilting the diffuser are solved, achieving higher hygiene and safety and extending the machine's lifespan.
Patent Information
- Application Number
- CN202520076062.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing aromatherapy diffusers tend to accumulate dirt after the water is used up, making them unhygienic to use. Furthermore, water leakage when emptying the diffuser can damage the internal circuitry and reduce its lifespan.
The essential oil absorbs the essential oil using cotton pads, which are equipped with filters at the top and bottom. Combined with a magnetic fixing structure and a limiting snap-fit design, the essential oil cotton pads do not leak during use and pouring, preventing dust and impurities from entering and protecting the internal components.
It effectively reduces hygiene and safety hazards, prevents water leakage from damaging the machine, and extends its service life.
Smart Images

Figure CN223831479U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of air purification, and in particular to a structure for an aromatherapy diffuser. Background Technology
[0002] Most aroma diffusers are used by adding water and essential oils and then atomizing them. However, if you stop using them before the water is used up, dirt can easily get into the water and then be atomized into the air, which is very unhygienic. Moreover, if the water is left on the surface, it is easy to leak or even damage the internal circuitry, greatly reducing the lifespan of the diffuser.
[0003] Chinese Patent Publication No. CN221724529U, authorized on September 17, 2024, discloses a portable aroma diffuser, belonging to the field of air purification technology. This invention, on the one hand, uses a double-layered base to separate the aroma module from the contact surface or ground, facilitating internal heat dissipation and preventing contamination of the contact surface; on the other hand, it incorporates an aroma chamber and a spring-loaded mechanism connecting the chamber, allowing for easy replacement of the internal aroma diffuser and addition of essential oils or fragrances by applying pressure to the diffusion chamber. Combined with a blower, heating module, and an annular aroma outlet, this creates a portable aroma diffuser with 360-degree uniform diffusion, avoiding the uneven atmosphere caused by unidirectional fragrance emission and accumulation in a corner. The drawback of this invention is that hygiene cannot be guaranteed, and tipping it over in the presence of water can easily damage the machine and reduce its lifespan. Utility Model Content
[0004] This invention aims to overcome the shortcomings of existing technologies where hygiene cannot be guaranteed and pouring water can easily damage the machine and reduce its service life. It provides a structure for an aromatherapy diffuser that reduces hygiene and safety hazards, prevents water damage during pouring, and extends the machine's service life.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] An aroma diffuser structure includes an upper cover, a base, an atomizer, an inner cover, a PCB board, and a fan. The lower end face of the upper cover is snapped into the upper end face of the base to form a housing. The atomizer, inner cover, PCB board, and fan are all housed within the housing formed by the upper cover and base. The fan is snapped into the inner bottom surface of the base. The PCB board surrounds the fan and is snapped into the inner bottom surface of the base. The inner cover is positioned above the fan and PCB board and is snapped into the base. The atomizer is snapped into the upper end face of the inner cover. The fans are all connected to the PCB board. The atomizer is equipped with an essential oil pad and a filter. There are two filters, which are placed above and below the essential oil pad respectively. The essential oil pad is placed inside the atomizer and is fixedly connected to the upper and lower surfaces of the atomizer respectively. The upper surface of the top cover is provided with a through hole, the position of which corresponds to the position of the filter above. The base is provided with a button and a USB interface, both of which pass through the outer side of the base and are connected to the PCB board.
[0007] To use, open the top cover from the base, then remove the atomizer from the inner cover, and then remove the filter screen above the atomizer. Soak the essential oil pad with essential oil before placing it back into the atomizer. Replace the filter screen and put the inner cover back on, then close the top cover. Connect the power supply via USB and press the button to start the PCB board, which controls the fan and atomizer. The essential oil will then diffuse through the through-hole. Because the essential oil pad absorbs the oil, liquid leakage is minimized. Furthermore, the essential oil pad is wrapped with filters on both the top and bottom, minimizing the entry of dust and debris into the essential oil and reducing contamination. This reduces hygiene and safety risks and prevents water damage to the machine when emptying, thus extending its lifespan.
[0008] Preferably, the lower end face of the upper cover is provided with a plurality of magnets, which are fixedly connected to the lower end face of the upper cover. The lower end face of the inner cover is provided with a plurality of magnets, which are fixedly connected to the lower end face of the inner cover. The magnets correspond one-to-one. The correspondence between the magnets facilitates accurate placement when closing the cover and makes it easy to open and close.
[0009] Preferably, the upper surface of the inner cover is provided with a slot, the atomizer is placed in the slot, and the slot has a second through hole. The positions of the fan and the lower filter screen correspond to the positions of the second through hole. The slot facilitates the placement of the atomizer, and aligning the second through hole with the lower filter screen facilitates the fan to diffuse the atomized essential oil outwards.
[0010] Preferably, the base includes a limiting block and retaining strips. The limiting block engages with the inner bottom surface of the base, and the side of the PCB board is also engaged with the base via the limiting block. Several retaining strips are provided, each fixedly connected to the inner bottom surface of the base. These retaining strips surround the fan, and the fan is engaged with the base via the retaining strips. The limiting block contacts the side of the fan. The limiting block and retaining strips are used to secure the PCB board and the fan, respectively, thus reducing the risk of damage.
[0011] Preferably, the base is provided with several ventilation openings, the positions of which correspond to the positions of the limiting blocks. The ventilation openings facilitate the delivery of air to the fan via the guide of the limiting blocks, allowing the fan to drive airflow.
[0012] Preferably, the outer surface of the base is provided with a groove, which communicates with the upper surface of the base. The groove facilitates the separation of the top cover from the base.
[0013] The beneficial effects of this utility model are: it can reduce hygiene and safety hazards, and will not cause water damage to the machine when tilted, thus improving its service life; the corresponding magnets one and two facilitate accurate placement when the cover is closed, and make it easy to open and close; the slot facilitates the placement of the atomizer, and the through hole two aligns with the lower filter screen to facilitate the fan to diffuse the atomized essential oil outward; the limiting block and the locking strip are used to fix the PCB board and the fan respectively, thus reducing damage; the vent facilitates the delivery of air to the fan through the guide of the limiting block, allowing the fan to drive airflow; the groove facilitates the separation of the top cover from the base. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is an exploded view of this utility model;
[0016] Figure 3 This is a cross-sectional view of the main view of this utility model;
[0017] Figure 4 yes Figure 3 A magnified view of detail A;
[0018] Figure 5 yes Figure 3 A magnified view of detail B.
[0019] In the diagram: 1. Top cover, 2. Base, 3. Atomizer, 4. Inner cover, 5. PCB board, 6. Fan, 7. Essential oil pad, 8. Filter, 9. Through hole one, 10. Button, 11. USB interface, 12. Magnet one, 13. Magnet two, 14. Slot, 15. Through hole two, 16. Limiting block, 17. Locking strip, 18. Vent, 19. Groove. Detailed Implementation
[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 5 In one embodiment, an aromatherapy diffuser structure includes an upper cover 1, a base 2, an atomizer 3, an inner cover 4, a PCB board 5, and a fan 6. The lower end face of the upper cover 1 is snapped into the upper end face of the base 2 to form a housing. The atomizer 3, the inner cover 4, the PCB board 5, and the fan 6 are all placed inside the housing formed by the upper cover 1 and the base 2. The fan 6 is snapped into the inner bottom face of the base 2. The PCB board 5 surrounds the fan 6 and is snapped into the inner bottom face of the base 2. The inner cover 4 is placed above the fan 6 and the PCB board 5 and is snapped into the base 2. The atomizer 3 is snapped into the upper end face of the inner cover 4. Atomizer 3 and fan 6 are both connected to PCB board 5. Atomizer 3 is provided with essential oil cotton pad 7 and filter screen 8. There are two filter screens 8, which are placed above and below essential oil cotton pad 7 respectively. Essential oil cotton pad 7 is placed inside atomizer 3 and is fixedly connected to the upper and lower end surfaces of atomizer 3 respectively. The upper end surface of the top cover 1 is provided with through hole 9, and the position of through hole 9 corresponds to the position of the filter screen 8 above. The base 2 is provided with button 10 and USB interface 11. Button 10 and USB interface 11 are both connected to PCB board 5 through the outer side of base 2.
[0022] like Figure 3 and Figure 4 As shown, a number of magnets 12 are provided on the lower end surface of the upper cover 1. The magnets 12 are fixedly connected to the lower end surface of the upper cover 1. A number of magnets 23 are provided on the lower end surface of the inner cover 4. The magnets 23 are fixedly connected to the lower end surface of the inner cover 4. The magnets 12 and magnets 23 correspond one-to-one.
[0023] like Figure 2 and Figure 3 As shown, the upper surface of the inner cover 4 is provided with a slot 14, the atomizer 3 is placed in the slot 14, and the slot 14 is provided with a through hole 15. The position of the fan 6 and the position of the filter 8 below are corresponding to the position of the through hole 15.
[0024] like Figure 2 and Figure 3 As shown, the base 2 is provided with a limiting block 16 and a retaining strip 17. The limiting block 16 is engaged with the inner bottom surface of the base 2. The side of the PCB board 5 is engaged with the base 2 through the limiting block 16. There are several retaining strips 17, all of which are fixedly connected to the inner bottom surface of the base 2. The retaining strips 17 surround the fan 6. The fan 6 is engaged with the base 2 through the retaining strips 17. The limiting block 16 is in contact with the side of the fan 6.
[0025] like Figure 2 As shown, the base 2 is provided with several ventilation openings 18, and the positions of the ventilation openings 18 correspond to the positions of the limiting blocks 16.
[0026] like Figure 2 and Figure 4 As shown, a groove 19 is provided on the outer side of the base 2, and the groove 19 is connected to the upper end surface of the base 2.
[0027] To use, use your fingers to hold the groove 19 to open the top cover 1 from the base 2. Then, remove the atomizer 3 from the slot 14 on the inner cover 4. Next, remove the filter 8 on top of the atomizer 3. Let the essential oil cotton pad 7 absorb the essential oil and then put it back into the atomizer 3. After replacing the filter 8, put it back into the slot 14 on the inner cover 4. Use magnet 12 to align with magnet 23 on the inner cover 4 to close the top cover 1. After connecting the power supply via the USB interface 11, press the button 10 to start the PCB board 5 to control the fan 6 and the atomizer 3. The fan 6 blows the air entering through the vent 18, converting it into wind power, thus atomizing the essential oil. Then, the essential oil is diffused through the second through-hole 15 and the filter screen 8 using the wind power, and then diffused out through the first through-hole 9. Because the essential oil cotton pad 7 is used to absorb the essential oil, this can minimize the seepage of liquid. Moreover, the essential oil cotton pad 7 is wrapped with filter screens 8 on both the top and bottom, which minimizes the entry of dust and debris in the air into the essential oil and reduces the contamination of the essential oil. In addition, the PCB board 5 and the fan 6 are limited and fixed by the limiting block 16 and the locking strip 17 respectively, which reduces the damage to internal parts and increases the service life of the machine. This achieves the purpose of reducing hygiene and safety hazards, and also prevents water from damaging the machine when it is tilted, thus improving its service life.
Claims
1. A structure for an aroma diffuser, characterized in that, The device includes an upper cover (1), a base (2), an atomizer (3), an inner cover (4), a PCB board (5), and a fan (6). The lower end face of the upper cover (1) is engaged with the upper end face of the base (2) to form a housing. The atomizer (3), inner cover (4), PCB board (5), and fan (6) are all placed inside the housing formed by the upper cover (1) and the base (2). The fan (6) is engaged with the inner bottom face of the base (2). The PCB board (5) surrounds the fan (6) and is engaged with the inner bottom face of the base (2). The inner cover (4) is placed above the fan (6) and the PCB board (5) and is engaged with the base (2). The atomizer (3) is engaged with the upper end face of the inner cover (4). The atomizer (3) and the... The fan (6) is connected to the PCB board (5). The atomizer (3) is provided with an essential oil cotton pad (7) and a filter screen (8). There are two filters screens (8) and they are placed above and below the essential oil cotton pad (7) respectively. The essential oil cotton pad (7) is placed inside the atomizer (3). The essential oil cotton pad (7) is fixedly connected to the upper end face and the lower end face of the atomizer (3) respectively. The upper end face of the top cover (1) is provided with a through hole (9). The position of the through hole (9) corresponds to the position of the filter screen (8) above. The base (2) is provided with a button (10) and a USB interface (11). The button (10) and the USB interface (11) are both connected to the PCB board (5) through the outer side of the base (2).
2. The aroma diffuser structure according to claim 1, characterized in that, The lower end face of the upper cover (1) is provided with a plurality of magnets one (12), the magnets one (12) are fixedly connected to the lower end face of the upper cover (1), the lower end face of the inner cover (4) is provided with a plurality of magnets two (13), the magnets two (13) are fixedly connected to the lower end face of the inner cover (4), and the magnets one (12) and magnets two (13) correspond one to one.
3. The aroma diffuser structure according to claim 1, characterized in that, The inner cover (4) has a slot (14) on its upper surface. The atomizer (3) is placed in the slot (14). The slot (14) has a through hole (15). The position of the fan (6) and the position of the filter (8) below are corresponding to the position of the through hole (15).
4. The aroma diffuser structure according to claim 1, characterized in that, The base (2) is provided with a limiting block (16) and a retaining strip (17). The limiting block (16) is engaged with the inner bottom surface of the base (2). The side of the PCB board (5) is engaged with the base (2) through the limiting block (16). There are several retaining strips (17), all of which are fixedly connected to the inner bottom surface of the base (2). The retaining strips (17) surround the fan (6). The fan (6) is engaged with the base (2) through the retaining strips (17). The limiting block (16) is in contact with the side of the fan (6).
5. The aroma diffuser structure according to claim 4, characterized in that, The base (2) is provided with a number of ventilation openings (18), and the positions of the ventilation openings (18) correspond to the positions of the limiting blocks (16).
6. The aroma diffuser structure according to claim 5, characterized in that, The outer side of the base (2) is provided with a groove (19), which is connected to the upper end face of the base (2).
Citation Information
Patent Citations
Portable aroma diffuser capable of diffusing aroma
CN221724529U