Multi-gear flow direction switching structure and aromatherapy machine adopting same

Abstract

The utility model belongs to the technical field of aromatherapy equipment, and particularly relates to a multi-gear flow direction switching structure and an aromatherapy machine adopting the same, and the multi-gear flow direction switching structure comprises a roller mounting seat and a roller assembly; a first seat hole and a second seat hole which are used for mounting the roller assemblies are formed in the roller mounting seat, and each roller assembly rotates in the seat hole of the corresponding roller mounting seat; seven sets of openings and one flow direction switching closing gear are arranged on the outer wall of the roller assembly at intervals, the seven sets of openings are arranged in the circumferential direction of the roller assembly at 45 degrees, the seven sets of openings are seven flow direction switching gears, and one flow direction switching closing gear is achieved through the fact that no opening is formed in the outer wall of the roller assembly; and the combination types of the corresponding groups of openings are the same when each roller assembly rotates by 45 degrees. According to the aromatherapy device, the aromatherapy mechanism in any aromatherapy mounting seat can emit fragrance, the aromatherapy mechanisms in different aromatherapy mounting seats can emit the fragrance after mixing the fragrance, and various fragrance requirements of users can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of aromatherapy equipment, and in particular relates to a multi-speed flow direction switching structure and an aromatherapy machine using the structure. Background Art

[0002] With the development of the times, people's quality of life is constantly improving. Since the sense of smell is directly connected to the emotional area in the brain, aroma can be recognized by people through the sense of smell.

[0003] However, the aromatherapy machines currently on the market are highly homogenized, and there are two main structures. One is to manually add essential oils to achieve a simple aromatherapy function based on the original humidifier, which cannot diffuse fragrance continuously. The other is to use solid scent sheets (i.e., fragrance bodies) as fragrance sources to achieve natural and continuous fragrance diffusion. However, there is only one solid scent sheet in the existing aromatherapy machines, so only one type of fragrance can be diffused each time, and the fragrance diffusion function is single. When another type of fragrance needs to be changed, the solid scent sheet can only be replaced. The replacement process is complicated and inconvenient to operate, and it cannot be applied to the current users' needs for different fragrances in each scenario. Even if there are aromatherapy machines with multiple types of fragrance, the fragrance diffusion channels of each type are independently and arranged, resulting in a large size and complex structure of the entire machine, which is not convenient to place in the car for use.

[0004] Secondly, regardless of whether liquid or solid aromatherapy is used, when a bottled or canned fragrance source is used as a refill for the aromatherapy machine, the refill is mostly installed inside the aromatherapy machine, which is not convenient for disassembly and replacement of the refill. Moreover, the refill mostly adopts a circular can structure. When it is installed in the aromatherapy machine, there is no positioning assembly and limiting structure, which makes it easy to put it upside down or shift the position, and it is also easy to have self-deflection problems, especially when there is a chip recognition function between the aromatherapy machine and the refill can, then it is necessary to achieve circuit conduction between the aromatherapy can and the aromatherapy machine. Inaccurate assembly position of the aromatherapy can will result in a failure of conduction between the two. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model proposes a multi-speed flow direction switching structure and an aromatherapy machine using the structure, which can not only realize the fragrance diffusion of an aromatherapy mechanism in any aromatherapy mounting seat, but also realize the fragrance diffusion of aromatherapy mechanisms in different aromatherapy mounting seats after mixing, thereby meeting the user's various fragrance needs.

[0006] In order to achieve the above technical objectives, the utility model will adopt the following technical solutions:

[0007] A multi-speed flow direction switching structure comprises a roller mounting seat and a roller assembly; the roller mounting seat is provided with two first seat holes and a second seat hole for mounting the roller assembly, and each roller assembly rotates in the seat hole of its corresponding roller mounting seat;

[0008] The outer wall of the drum assembly is provided with N groups of openings and 1 flow direction switching closing gear, the N groups of openings are arranged along the circumferential direction of the drum assembly and are spaced 360° / N+1 apart, the N groups of openings are N flow direction switching gears, and the 1 flow direction switching closing gear is achieved by not having an opening on the outer wall of the drum assembly; the combination type of each group of openings corresponding to each rotation of each drum assembly by 360° / N+1 angle is the same.

[0009] Further, the first seat hole of the drum mounting seat includes a first air inlet;

[0010] The first seat hole of the drum mounting seat and the second seat hole of the drum mounting seat are arranged at intervals, and both ends of the first seat hole of the drum mounting seat are through-connected, one end of which is a first air inlet, and the first air inlet is used to enter external air, and the other end of the first seat hole of the drum mounting seat is penetrated to install the drum assembly, one end of the second seat hole of the drum mounting seat has an opening, and the drum assembly is installed on the end on the same side as the first seat hole of the drum mounting seat, and the other end of the second seat hole of the drum mounting seat is a closed structure.

[0011] Furthermore, the first seat hole of the drum mounting seat further includes a first air outlet, and the second seat hole of the drum mounting seat includes a second air inlet; the first air outlet is a first opening of the first seat hole of the drum mounting seat, and the second air inlet is a second opening of the second seat hole of the drum mounting seat;

[0012] A plurality of first air outlets are arranged at intervals on one side of the first seat hole of the drum mounting seat, and a plurality of second air inlets are arranged at intervals on the bottom of the second seat hole of the drum mounting seat, and the central axes of the first air outlets and the second air inlets are perpendicular to each other.

[0013] Furthermore, the drum assembly includes a drum body, and the drum body includes air holes; the N groups of openings arranged at intervals on the outer wall of the drum assembly are composed of a plurality of air holes.

[0014] Furthermore, the drum mounting seat also includes a motor mounting seat; the motor mounting seat is located between the first seat hole of the drum mounting seat and the second seat hole of the drum mounting seat, and is used to install a driving motor, which drives the two drum assemblies to rotate.

[0015] The utility model also provides an aromatherapy machine adopting a multi-speed flow direction switching structure, comprising a multi-speed flow direction switching structure and an aromatherapy box; the multi-speed flow direction switching structure adopts the multi-speed flow direction switching structure as described above;

[0016] An aromatherapy box is installed at the bottom of the drum mounting seat, and a plurality of independent compartments are arranged in the aromatherapy box, and an aromatherapy mechanism is installed in each independent compartment; each independent compartment of the aromatherapy box is provided with a first through hole and a second through hole, and the first seat hole and the second seat hole of the drum mounting seat are respectively provided with first openings and second openings matching the number of independent compartments of the aromatherapy box, and each first opening and second opening of the first seat hole are matched and connected with the corresponding first through hole and second through hole of the aromatherapy box.

[0017] Furthermore, it also includes a fan mechanism; the fan mechanism is installed on a fan mechanism mounting seat and is snapped together with the fan mechanism mounting seat to form a cavity structure for accommodating the fan.

[0018] According to the above technical solution, compared with the prior art, the utility model has the following advantages:

[0019] First, the combination type of each group of openings corresponding to each rotation of each roller assembly of the utility model by 360° / N+1 angle is the same, so that the aromatherapy box can realize that the first through hole and the second through hole of any independent interval or multiple independent intervals are connected with the first opening of the first seat hole and the second opening of the second seat hole of the corresponding roller mounting seat respectively, and by installing aromatherapy mechanisms with different fragrances in each independent interval of the aromatherapy box, a single fragrance type in any independent interval of the aromatherapy box is finally diffused, or different fragrance types in any two or more independent intervals are mixed and diffused. The utility model realizes the m aromatherapy mechanisms Different ways of scent output.

[0020] Second, in the preferred implementation mode, the external air of the utility model is sucked into the first drum mounting seat from the first air inlet by the fan mechanism, and then enters the aromatherapy mounting seat from the first air outlet and the third air inlet, and flows out through the third air outlet and the second air inlet. Since the first air outlet is directly connected to the third air inlet, and the third air outlet is directly connected to the second air inlet, there is no need to add a connecting pipe, which shortens the distance for air to enter and flow out of the aromatherapy mounting seat. The overall structure is compact, and the internal parts are tightly combined, which ensures that there is no leakage of fragrance, the air flow path is short, and the fragrance dispersion efficiency is high.

[0021] Third, in the preferred implementation, the utility model can not only realize the fragrance diffusion of any aromatherapy installation seat, but also can realize the fragrance diffusion of aromatherapy installation seats in different aromatherapy installation seats after mixing fragrance, which can meet the user's various fragrance needs;

[0022] Fourth, in a preferred implementation, the air inlet slot of the utility model adopts a plurality of annular groove structures, which can prevent impurities such as particles and flakes in the environment from being sucked into the drum when sucking air. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural diagram of a multi-speed flow direction switching structure of an embodiment of the utility model;

[0024] Figure 2 The three-dimensional structure of the drum mounting seat of the embodiment of the utility model Figure 1 ;

[0025] Figure 3 The three-dimensional structure of the drum mounting seat of the embodiment of the utility model Figure 2 ;

[0026] Figure 4 It is a three-dimensional structural diagram of a roller assembly according to an embodiment of the utility model;

[0027] Figure 5 It is a three-dimensional structural diagram of the drum mounting base and the aromatherapy box in the assembled state of the embodiment of the utility model;

[0028] Figure 6 It is a three-dimensional structural diagram of an aromatherapy machine with a multi-speed flow direction switching structure without a housing assembly according to an embodiment of the utility model;

[0029] Figure 7 It is a three-dimensional structural diagram of an aromatherapy box according to an embodiment of the utility model;

[0030] Figure 8 It is an overall structural diagram of an aromatherapy machine adopting a multi-speed flow direction switching structure according to an embodiment of the utility model.

[0031] Among them, 1-drum mounting seat; 10-first drum mounting seat; 100-first air outlet; 101-first air inlet; 11-second drum mounting seat; 110-second air inlet; 111-second air outlet; 12-motor mounting seat; 13-fan mechanism mounting seat; 2-drum assembly; 20-gear; 21-drum body; 210-air hole; 3-aromatherapy box; 30-third air inlet; 31-aromatherapy mounting seat; 32-third air outlet; 4-fan mechanism; 5-housing assembly; 50-air inlet slot; 51-housing air outlet. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present application, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0033] The terms such as up, down, left, right, front and back in this application document are based on the positional relationships shown in the drawings. If the drawings are different, the corresponding positional relationships may also change accordingly, so they cannot be understood as limiting the scope of protection.

[0034] In this application, the terms "install", "connected", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, or mutual communication, a direct connection, or an indirect connection through an intermediate medium, the internal connection of two components, or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0035] Embodiment 1:

[0036] Refer to the instruction manual Figure 1 A multi-speed flow direction switching structure includes a roller mounting seat 1 and a roller assembly 2. The roller mounting seat 1 is provided with at least two seat holes for mounting the roller assembly 2, which are a first seat hole and a second seat hole respectively. The number of the roller assemblies 2 matches the number of the seat holes of the roller mounting seat 1, and each roller assembly 2 rotates in the seat hole of the corresponding roller mounting seat 1.

[0037] The outer wall of the drum assembly 2 is provided with N groups of openings at intervals, and the N groups of openings are arranged along the circumferential direction of the drum assembly 2 and are spaced 360° / N+1 apart. The N groups of openings are N flow direction switching positions, 1 being a flow direction switching closing position, and the flow direction switching closing position is achieved by not providing openings on the outer wall of the drum assembly 2. The combination type of each group of openings corresponding to each rotation of each drum assembly 2 by 360° / N+1 angle is the same.

[0038] The outer wall of the drum assembly 2 of the present embodiment is provided with 7 groups of openings at intervals. The 7 groups of openings are arranged along the circumferential direction of the drum assembly 2 and are spaced 45 degrees apart. The 7 groups of openings constitute 7 flow direction switching gears.

[0039] With the structure of this embodiment, the combination type of each group of openings corresponding to each roller assembly 2 rotating 360° / N+1 angle is the same.

[0040] Embodiment 2:

[0041] Refer to the instruction manual Figure 1-3 On the basis of Example 1, the drum mounting seat 1 includes a first drum mounting seat 10, a second drum mounting seat 11, a motor mounting seat 12 and a fan mechanism mounting seat 13, the first drum mounting seat 10 includes a first air outlet 100 and a first air inlet 101, and the second drum mounting seat 11 includes a second air inlet 110 and a second air outlet 111.

[0042] The first roller mounting seat 10 and the second roller mounting seat 11 are arranged at an interval, and the central axes of the first roller mounting seat 10 and the second roller mounting seat 11 are parallel to each other. Both ends of the first roller mounting seat 10 are through-connected, one end of which is a first air inlet 101, and the first air inlet 101 is used to allow external air to enter. The other end of the first roller mounting seat 10 penetrates into the mounting roller assembly 2, and the second roller mounting seat 11 is open, and the roller assembly 2 is mounted on the end on the same side as the first roller mounting seat 10, and the other end of the second roller mounting seat 11 is a closed structure.

[0043] The motor mounting seat 12 is located between the first roller mounting seat 10 and the second roller mounting seat 11 and is used for mounting a driving motor, which drives the two roller assemblies 2 to rotate.

[0044] A plurality of first air outlets 100 are arranged at intervals on one side of the first drum mounting seat 10, and a plurality of second air inlets 110 are arranged at intervals on the bottom of the second drum mounting seat 11, and the central axes of the first air outlets 100 and the second air inlets 110 are perpendicular to each other. A second air outlet 111 is opened at the top of the second drum mounting seat 11, and a fan mechanism mounting seat 13 is arranged at the top of the drum mounting seat 11 and communicated with the second air outlet 111.

[0045] Embodiment 3:

[0046] Refer to the instruction manual Figure 4 On the basis of Example 2, the drum assembly 2 of this embodiment includes a gear 20 and a drum body 21 , and the drum body 21 includes an air hole 210 .

[0047] The gear 20 is arranged at one end of the drum body 21, and each drum assembly 2 is respectively inserted into the first drum mounting seat 10 and the second drum mounting seat 11 by the end of the drum body 21 where the gear 20 is not arranged. A driving gear is arranged on the driving motor, and the driving gear is meshed with the gear 20 of the drum assembly 2 installed in the first drum mounting seat 10 and the second drum mounting seat 11 at the same time. When the driving motor rotates clockwise, the first drum mounting seat 10 and the second drum mounting seat 11 rotate counterclockwise synchronously.

[0048] The drum assembly 2 also includes a fixed cover, which is snapped onto the side of the drum mounting seat 1 having the motor mounting seat 12. A pin and a fixed column are provided on the inner side of the fixed cover. The pin passes through the center of the gear 20. The drum assembly 2 with the gear 20 rotates along the pin, and the fixed column passes through a matching positioning column on the drum mounting seat 1, thereby enclosing the drum assembly 2 in the fixed cover and the drum mounting seat 1.

[0049] The N groups of openings arranged at intervals on the outer wall of the drum assembly 2 are composed of a plurality of air holes 210. In this embodiment, there are 7 groups of openings, which are arranged along the circumferential direction of the drum assembly 2 and at 45° intervals. Each group of openings is a flow direction switching gear, and no opening is opened between two adjacent groups of openings. The flow direction switching is closed by not opening an opening on the outer wall of the drum assembly 2. This is the flow direction switching closing gear.

[0050] Embodiment 4:

[0051] Refer to the instruction manual Figure 5-7 This embodiment provides an aromatherapy machine with a multi-speed flow direction switching structure. The aromatherapy machine includes all the structures of the above embodiments, and also includes an aromatherapy box 3 and a fan mechanism 4.

[0052] The bottom of the drum mounting seat 1 is provided with an aromatherapy box 3, and a plurality of independent compartments are arranged in the aromatherapy box 3, and an aromatherapy mechanism is installed in each independent compartment. Each independent compartment of the aromatherapy box 3 is provided with a first through hole and a second through hole, and the first seat hole and the second seat hole of the drum mounting seat 1 are respectively provided with first openings and second openings matching the number of independent compartments of the aromatherapy box 3, and each first opening and second opening of the first seat hole is matched and connected with the corresponding first through hole and second through hole of the aromatherapy box 3.

[0053] The fan mechanism 4 is installed on the top of the drum mounting seat 1 and is only connected to the air outlet of the second seat hole. The fan mechanism 4 is provided with an air outlet pipe. The fan mechanism 4 adopts an air suction structure. When the fan mechanism 4 sucks air, air enters the first seat hole from the air inlet of the first seat hole of the drum mounting seat 1, and enters the aromatherapy box 3 from the first opening of the first seat hole and the first through hole of the aromatherapy box 3 in turn, bringing out the fragrance of the aromatherapy mechanism. The gas mixed with the fragrance passes through the second through hole of the aromatherapy box 3 and the second opening of the second seat hole in turn, and then enters the fan mechanism 4 through the air outlet of the second seat hole and flows out through the air outlet pipe of the fan mechanism 4.

[0054] Specifically, the aromatherapy box 3 includes a third air inlet 30 , an aromatherapy mounting seat 31 and a third air outlet 32 ​​.

[0055] The top of the aromatherapy box 3 is matched and installed with the bottom of the drum mounting seat 1. The aromatherapy box 3 is provided with a plurality of independent aromatherapy mounting seats 31 at intervals. An aromatherapy mechanism is installed in each aromatherapy mounting seat 31, and the aromatherapy mechanism can adopt different fragrances. A rectangular opening is provided at one end of each aromatherapy mounting seat 31, and the rectangular opening is used to insert and install the aromatherapy mechanism. A third air inlet 30 is respectively provided at the end opposite to the rectangular opening of each aromatherapy mounting seat 31, and a third air outlet 32 ​​is respectively provided at the top of each aromatherapy mounting seat 31. Each third air inlet 30 is matched and connected with the corresponding first air outlet 100, and each third air outlet 32 ​​is matched and connected with the corresponding second air inlet 110, so that air can enter the aromatherapy mounting seat 31 through the first air outlet 100 and the third air inlet 30 to bring out the fragrance from the third air outlet 32 ​​and the second air inlet 110.

[0056] In combination with Embodiment 1 and this embodiment, the N groups of openings in Embodiment 1 have multiple combination types based on the number of independent compartments of the aromatherapy box 3, and the combination types of the N groups of openings are determined by the following formula:

[0057]

[0058] Further,

[0059] According to formula (1), the formula for the number of gears of the roller assembly 2 is obtained:

[0060] Q=P+1

[0061] In the formula: m, m-1, m-2…mr, 1 are all positive integers and decreasing; P represents the combination type of N groups of openings; m represents the number of independent intervals of the aromatherapy box 3, that is, the number of the first through holes and the second through holes of the aromatherapy box 3; 1 represents the flow direction switching closing gear.

[0062] The aromatherapy mounting base 31 of the present embodiment has three, the third air inlets 30 and the third air outlets 32 are three respectively, and the number of the first air outlets 100 and the second air inlet 110 are the same as the third air inlet 30 and the third air outlet 32 ​​respectively.

[0063] The fan mechanism 4 is mounted on the fan mechanism mounting seat 13 and snapped together with the fan mechanism mounting seat 13 to form a cavity structure for accommodating the fan of the fan mechanism 4. An air outlet pipe is provided at one end of the fan mechanism 4 for discharging the scented gas.

[0064] In combination with Example 1 and this embodiment, the 7 groups of openings in Example 1 are determined by the number of the three aromatherapy mounting seats 31:

[0065]

[0066] The number of gears of the drum assembly 2 is determined according to the formula Q=P+1, where 1 is the flow direction switching closing gear.

[0067] Specifically, the 7 gear positions of the 7 groups of openings are respectively 1 group of three third air inlets 30 and third air outlets 32 connecting gear positions, 3 groups of any two third air inlets 30 and third air outlets 32 connecting gear positions, and 3 groups of any one third air inlet 30 and third air outlet 32 ​​connecting gear positions.

[0068] By adopting the structure of the present embodiment, it is possible to achieve the diffusion of fragrance from the fragrance mechanism in any fragrance diffuser mount 31, and it is also possible to achieve the diffusion of fragrance from the fragrance mechanisms in different fragrance diffusers mounts 31 after mixing, thereby meeting the user's various fragrance needs; the external air is sucked into the first drum mount 10 by the fan mechanism 4 from the first air inlet 101, and then enters the fragrance diffuser mount 31 from the first air outlet 100 and the third air inlet 30, and flows out through the third air outlet 32 ​​and the second air inlet 110. Since the first air outlet 100 and the third air inlet 30 are directly connected to each other, and the third air outlet 32 ​​and the second air inlet 110 are directly connected to each other, there is no need to add connecting pipes, which shortens the distance for air to enter and flow out of the fragrance diffuser mount 31. The overall structure is compact and the internal parts are tightly combined, which ensures that there is no leakage of fragrance, the air flow path is short, and the fragrance diffusion efficiency is high.

[0069] Embodiment 5:

[0070] Refer to the instruction manual Figure 8 On the basis of Example 4, the aromatherapy machine adopting the multi-speed flow direction switching structure of this embodiment further includes a shell assembly 5, and the shell assembly 5 includes an air inlet slot 50 and a shell air outlet 51.

[0071] The housing assembly 5 is used to install the drum mounting seat 1, the drum assembly 2, the aromatherapy box 3 and the fan mechanism 4 therein, and protect the structures of the drum mounting seat 1, the drum assembly 2, the aromatherapy box 3 and the fan mechanism 4. The air inlet notch 50 is arranged on the side matching the first air inlet 101 of the drum mounting seat 1. The air inlet notch 50 adopts a plurality of annular groove structures, which can prevent impurities such as particles and flakes in the environment from being sucked into the drum 2 when the air is sucked. The housing air outlet 51 is arranged on the side where the fan mechanism 4 is provided with an air outlet pipe, and is used to guide the fragrance in the air outlet pipe of the fan mechanism 4 out.

[0072] The above is only an embodiment of the present application, and common sense such as the known specific structure and characteristics in the scheme is not described in detail here. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic features of the present application. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present application. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A multi-speed flow direction switching structure, comprising a roller mounting seat (1) and a roller assembly (2); characterized in that: A first seat hole and a second seat hole for mounting the roller assembly (2) are provided in the roller mounting seat (1), and each roller assembly (2) rotates in the seat hole of its corresponding roller mounting seat (1); The outer wall of the drum assembly (2) is provided with N groups of openings and one flow direction switching closing gear at intervals, the N groups of openings are arranged along the circumferential direction of the drum assembly (2) and are spaced 360° / N+1 apart, the N groups of openings are N flow direction switching gears, and the one flow direction switching closing gear is achieved by not providing an opening on the outer wall of the drum assembly (2); the combination type of each group of openings corresponding to each rotation of each drum assembly (2) by an angle of 360° / N+1 is the same.

2. The multi-speed flow direction switching structure according to claim 1, characterized in that: The first seat hole of the drum mounting seat (1) comprises a first air inlet (101); The first seat hole of the drum mounting seat (1) and the second seat hole of the drum mounting seat (1) are arranged at intervals, the first seat hole of the drum mounting seat (1) has two ends connected, one end of which is a first air inlet (101), and the first air inlet (101) is used to take in external air, the other end of the first seat hole of the drum mounting seat (1) penetrates into the drum assembly (2), one end of the second seat hole of the drum mounting seat (1) has an opening, and the drum assembly (2) is installed at the end on the same side as the first seat hole of the drum mounting seat (1), and the other end of the second seat hole of the drum mounting seat (1) is a closed structure.

3. The multi-speed flow direction switching structure according to claim 2, characterized in that: The first seat hole of the drum mounting seat (1) further comprises a first air outlet (100), and the second seat hole of the drum mounting seat (1) comprises a second air inlet (110); the first air outlet (100) is a first opening of the first seat hole of the drum mounting seat (1), and the second air inlet (110) is a second opening of the second seat hole of the drum mounting seat (1); A plurality of first air outlets (100) are arranged at intervals on one side of a first seat hole of the drum mounting seat (1), and a plurality of second air inlets (110) are arranged at intervals on the bottom of a second seat hole of the drum mounting seat (1), wherein the central axes of the first air outlets (100) and the second air inlets (110) are perpendicular to each other.

4. The multi-speed flow direction switching structure according to claim 1, characterized in that: The drum assembly (2) comprises a drum body (21), and the drum body (21) comprises air holes (210); N groups of openings arranged at intervals on the outer wall of the drum assembly (2) are composed of a plurality of air holes (210).

5. The multi-speed flow direction switching structure according to claim 1, characterized in that: The drum mounting seat (1) also includes a motor mounting seat (12); the motor mounting seat (12) is located between the first seat hole of the drum mounting seat (1) and the second seat hole of the drum mounting seat (1), and is used to install a drive motor, which drives the two drum assemblies (2) to rotate.

6. An aromatherapy machine using a multi-speed flow direction switching structure, comprising a multi-speed flow direction switching structure and an aromatherapy box (3); characterized in that: The multi-speed flow direction switching structure adopts the multi-speed flow direction switching structure as claimed in any one of claims 1 to 5; An aromatherapy box (3) is installed at the bottom of the drum mounting seat (1), and a plurality of independent compartments are arranged in the aromatherapy box (3), and an aromatherapy mechanism is installed in each independent compartment; each independent compartment of the aromatherapy box (3) is provided with a first through hole and a second through hole, and the first seat hole and the second seat hole of the drum mounting seat (1) are respectively provided with first openings and second openings matching the number of independent compartments of the aromatherapy box (3), and each first opening and second opening of the first seat hole are respectively matched and communicated with the corresponding first through hole and second through hole of the aromatherapy box (3).

7. The aromatherapy machine with a multi-speed flow direction switching structure according to claim 6, characterized in that: It also includes a fan mechanism (4); the fan mechanism (4) is mounted on a fan mechanism mounting seat (13) and is snap-fitted with the fan mechanism mounting seat (13) to form a cavity structure for accommodating the fan.

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