CN218177389U - Air supply device and atomizer - Google Patents

Abstract

The utility model belongs to the technical field of atomizers, and relates to a gas supply device and an atomizer, wherein the gas supply device comprises a shell, a driving assembly and a compressor; the shell is provided with a cavity, the driving assembly is arranged in the cavity of the shell and comprises a motor, and the motor is in transmission connection with the compressor; the compressor is provided with air inlet and 1 gas outlet, the compressor includes the Y type outlet duct with the gas outlet butt joint, Y type outlet duct includes first air outlet duct and second air outlet duct, the tip of first air outlet duct and the tip of second air outlet duct are located the outside of casing, the compressor can compress the gas that gets into from the air inlet under the drive of motor, and discharge through the first air outlet duct and the second air outlet duct of Y type outlet duct, provide the air current that is used for realizing atomizing and two kinds of different atmospheric pressures that improve the fog velocity of flow respectively for the atomizer.

Description

Air supply device and atomizer

Technical Field

The utility model relates to an atomizer technical field especially relates to an air feeder and atomizer.

Background

The air compression type atomizer is a medical health care apparatus which adopts a compressor to compress clean air into a stream of air flow, the air flow is sprayed out from an air spraying port to impact liquid in an atomizing cup to gasify the liquid, and then the air flow is sprayed out from an air outlet port to be inhaled by a mouth and a nose to achieve the purpose of applying medicine to lung and branch capillary vessels.

An air supply device of an air compression type atomizer is a device for sucking and discharging air from a closed space, continuously compressing the air through an air pump and forming high-speed airflow through a small pipe orifice.

The existing air supply device generally drives two air pumps through two motors respectively so as to be used by an atomizer. However, because the existing air supply device is expensive, most users who need to use the atomizer are children of 0-6 years old, the resistance of the children is generally weak, and the frequency of needing to use the atomizer is often high, so that a high-cost air compression atomizer is urgently needed to reduce the medical cost of the users and the family popularity of the atomizer.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at, it is complicated to solve current air compressor structure, technical problem that manufacturing cost is high.

In order to solve the technical problem, an embodiment of the utility model provides an air supply device has adopted following technical scheme:

this gas supply device includes:

a housing provided with a cavity;

a drive assembly mounted within the cavity, the drive assembly including a motor;

a compressor provided with an air inlet and 1 air outlet; the compressor comprises a Y-shaped air outlet pipe butted with the air outlet, the Y-shaped air outlet pipe comprises a first air outlet channel and a second air outlet channel, and the end part of the first air outlet channel and the end part of the second air outlet channel are positioned on the outer side of the shell;

the compressor is driven by the motor to compress gas entering the air inlet, and the gas is discharged through the first air outlet channel and the second air outlet channel of the Y-shaped air outlet pipe, so that two kinds of air flows with different air pressures for realizing atomization and improving the flow speed of mist are obtained respectively.

Further, in the preferred scheme of some embodiments, the pipe diameter of first exhaust duct is greater than the pipe diameter of second exhaust duct, first exhaust duct is used for discharging the air current that realizes the atomizing, the second exhaust duct is used for discharging the air current that improves the atomizing velocity of flow.

Further, in a preferable scheme of some embodiments, the compressor further comprises a pressure limiting valve, and the pressure limiting valve is installed on the end part of the second air outlet channel, so that the air flow discharged from the second air outlet channel can be adjusted in air pressure.

Further, in a preferable scheme of some embodiments, the pipe diameters of the first air outlet channel and the second air outlet channel are the same.

Further, in a preferable scheme of some embodiments, the compressor includes a crank wheel, a connecting rod, a piston and a cylinder, the crank wheel is mounted on an output shaft of the motor, two ends of the connecting rod are respectively connected with the crank wheel and the piston in a rotating manner, and the piston is movably mounted in the cylinder to convert the full-circle rotation of the crank wheel into the reciprocating movement of the piston in the cylinder.

Further, in some preferred embodiments, the crank wheel includes a connecting shaft hole through which the crank wheel is mounted on the output shaft of the motor, and an eccentric shaft rotatably connected to the connecting rod.

Further, in a preferable scheme of some embodiments, the driving assembly further includes a fan, the motor is a dual-shaft motor, the dual-shaft motor includes a first output shaft and a second output shaft, the first output shaft is connected with the crank wheel, the second output shaft is connected with the fan, and the dual-shaft motor drives the fan to rotate, so that wind generated by the fan dissipates heat of the inside of the air supply device; and/or, be equipped with a plurality of ventilation holes on the casing, the ventilation hole is convenient for the inside heat dissipation of air feeder.

Further, in a preferable scheme of some embodiments, the compressor further comprises a connecting frame, the connecting frame is fixedly connected with the driving assembly, and the air cylinder is mounted on the connecting frame, so that the air cylinder and the motor are relatively fixed.

Further, in a preferable aspect of some embodiments, the air supply device includes a damper installed on a side of the housing near the cavity, and the motor is connected to the housing through the damper.

In order to solve the above technical problem, an embodiment of the present invention further provides an atomizer, which adopts the following technical solution: the atomizer includes foretell air feeder, air feeder the air current of first air vent is used for realizing the atomizing function of atomizer, air feeder the air current of second air vent is used for improving the velocity of flow of the fog of atomizer.

Compared with the prior art, the embodiment of the utility model provides an air feeder and atomizer mainly have following beneficial effect:

this air feeder is through setting up air inlet and 1 gas outlet on a compressor, and the Y type outlet duct that will have first air-out duct and second air-out duct docks with this gas outlet, with this under the drive of a motor, this compressor can compress the gas that the air inlet got into, and discharge respectively through first air-out duct and second air-out duct with the gas after compressing, and then can obtain the air current of two kinds of different atmospheric pressures that are used for atomizing and improve the fog velocity of flow, and need not drive two compressors respectively through two motors and realize, obviously, the quantity of the required spare part of this air feeder and atomizer is less, do benefit to and simplify overall structure, and reduce manufacturing cost.

Drawings

In order to illustrate the solution of the present invention more clearly, the drawings needed for describing the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. Wherein:

fig. 1 is a schematic perspective view of an air supply device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the gas supply apparatus of FIG. 1;

FIG. 3 is another exploded schematic view of the gas supply apparatus of FIG. 1;

FIG. 4 is an exploded schematic view of the compressor of the air supply of FIG. 3;

FIG. 5 is a schematic perspective view of a drive assembly of the gas supply apparatus of FIG. 3;

figure 6 is an exploded view of the housing and damper of the gas supply apparatus of figure 1.

The reference numbers in the drawings are as follows:

100. a gas supply device;

10. a housing; 11. a face shell; 12. a bottom case; 121. a vent hole;

20. a drive assembly; 21. a motor; 21a, a first output shaft; 21b, a second output shaft; 22. a bearing set; 23. a fan;

30. a compressor; 31. a crank wheel; 311. a shaft connecting hole; 312. an eccentric shaft; 32. a connecting rod; 33. a piston; 34. a cylinder; 341. an air inlet; 342. an air outlet; 35. an air inlet pipe; 36. a Y-shaped air outlet pipe; 36a, a first air outlet channel; 36b and a second air outlet channel; 37. a connecting frame;

40. a shock absorbing member.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, for example, the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or position illustrated in the drawings, which are for convenience of description only and are not to be construed as limiting of the present disclosure.

The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. The meaning of "plurality" is two or more unless specifically limited otherwise.

In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The embodiment of the present invention provides an air supply device 100, as shown in fig. 1 and 2, the air supply device 100 includes a housing 10, a driving assembly 20, and a compressor 30; specifically, in the present embodiment, the housing 10 includes a front shell 11 and a bottom shell 12, and the front shell 11 and the bottom shell 12 together enclose a cavity (not shown) of the housing 10. A drive assembly 20 is mounted in the cavity of the housing 10, the drive assembly 20 including a motor 21, the motor 21 being in driving connection with the compressor 30.

In the present embodiment, as shown in fig. 2 to 4, the compressor 30 is provided with an air inlet 341 and 1 air outlet 342, and the compressor 30 includes an air inlet pipe 35 connected to the air inlet 341 and a Y-shaped air outlet pipe 36 connected to the air outlet 342, wherein the air inlet pipe 35 is mainly used for air suction of the compressor 30, and the Y-shaped air outlet pipe 36 is mainly used for discharging a pressurized air flow. It can be understood that the Y-shaped outlet duct 36 is a three-way pipe structure, one end of which is connected to the air outlet 342 of the compressor 30, and the other two ends are used for discharging air flow, that is, the Y-shaped outlet duct 36 includes a first air outlet channel 36a and a second air outlet channel 36b, and an end of the first air outlet channel 36a and an end of the second air outlet channel 36b penetrate through the casing 10 and are convexly disposed outside the casing 10.

In this embodiment, the compressor 30 is driven by the motor 21 to compress the gas entering from the gas inlet 341 and discharge the compressed gas through the first air outlet channel 36a and the second air outlet channel 36b of the Y-shaped air outlet pipe 36, so as to obtain two different air pressures of the gas flow for atomizing and increasing the flow rate of the mist respectively. In other words, the air supply device 100 drives the compressor 30 to operate through the motor 21, and the compressor 30 discharges the compressed air flows from the first air outlet channel 36a and the second air outlet channel 36b by connecting the Y-shaped air outlet pipe 36 to the air outlet 342, wherein one of the first air outlet channel 36a and the second air outlet channel 36b is used for discharging the air flow for realizing atomization, and the other is used for discharging the air flow capable of improving the atomization flow rate.

It should be noted that, specifically, which of the first air outlet duct 36a and the second air outlet duct 36b discharges the atomizing air flow and which discharges the air flow for increasing the flow velocity of the mist may be determined according to a specific structure and a specific situation.

In summary, compared with the prior art, the gas supply device 100 has at least the following beneficial effects: the air supply device 100 is provided with the air inlet 341 and the air outlet 342 by arranging the air inlet 341 and the air outlet 342 on one compressor, and the Y-shaped air outlet pipe with the first air outlet passage and the second air outlet passage is butted with the air outlet 342, so that the compressor can compress the air entering the air inlet 341 under the driving of one motor, and respectively discharge the compressed air through the first air outlet passage and the second air outlet passage, thereby obtaining two air flows with different air pressures for atomizing and improving the flow rate of mist, and being realized without respectively driving the two compressors through the two motors.

Embodiment one of the gas supply device 100 of the present invention

In order to make those skilled in the art better understand the solution of the present invention, the technical solution of the first embodiment of the present invention will be clearly and completely described below with reference to fig. 1 to 6.

Further, as the utility model discloses a concrete implementation mode in embodiment one, as shown in fig. 1 to fig. 4, the pipe diameter of first exhaust passage 36a is greater than the pipe diameter of second exhaust passage 36b, under this kind of condition, because of the atmospheric pressure that is used for realizing the atomizing air current is generally greater than the pressure that is used for improving the air current of the fog velocity of flow, so first exhaust passage 36a mainly used discharges and realizes the atomizing air current, second exhaust passage 36b mainly used discharges the air current that improves the fog velocity of flow, so the velocity of flow of fog has been improved under the abundant prerequisite of assurance atomizing.

It will be appreciated that the air pressure of the air stream exiting the first outlet channel 36a determines the concentration of mist atomized by the atomizer, while the air pressure of the air stream exiting the second outlet channel 36b determines the flow rate of mist exiting the mist outlet of the atomizer; under the normal use requirement of the atomizer, the fog concentration and the fog flow rate of the atomizer are always in direct proportion, namely when a user needs to use fog with higher concentration, the fog which needs to be sprayed also often has higher flow rate; when the user only needs to use the mist with small concentration, the flow velocity of the mist sprayed by the atomizer is not required to have higher flow velocity; therefore, although the first air outlet duct 36a and the second air outlet duct 36b of the air supply device 100 in this embodiment are two communicated air outlet ducts of the same Y-shaped air outlet pipe, according to the analysis of the actual requirements of the user, and by combining with the adjustment of the pipe diameters of the first air outlet duct 36a and the second air outlet duct 36b, the air supply device 100 in this embodiment can meet the basic gear adjustment requirements of the concentration and the flow rate of the mist sprayed by the atomizer; the first outlet duct 36a and the second outlet duct 36b discharge air streams of different air pressures simultaneously by adjusting the rotation speed of the motor 21 to regulate the speed of the discharge air stream of the compressor 30 driven by the motor.

Further, as a specific implementation manner in the first embodiment of the present invention, as shown in fig. 4, the compressor 30 includes a crank wheel 31, a connecting rod 32, a piston 33 and a cylinder 34, the crank wheel 31 is installed on the output shaft of the motor 21, two ends of the connecting rod 32 are respectively connected to the crank wheel 31 and the piston 33 in a rotating manner, and the piston 33 is movably installed in the cylinder 34; the crank wheel 31 and the connecting rod 32 form a rotating pair, the connecting rod 32 and the piston 33 form another rotating pair, the piston 33 and the cylinder 34 form a moving pair, and the compressor 30 forms a crank slider mechanism; so as to convert the complete rotation of crank wheel 31 driven by motor 21 into the periodic reciprocating movement of piston 33 in cylinder 34, and make the space (called working volume) formed by piston 33 and cylinder 34 periodically expand and contract, when the space expands, the gas in cylinder 34 expands, the pressure decreases, and the gas is sucked; when the space shrinks, the gas is compressed, the pressure rises and the gas is vented. The piston 33 reciprocates once to complete four processes of expansion, air suction, compression and air exhaust in sequence, namely a working cycle.

Further, as a specific implementation manner in the first embodiment of the present invention, as shown in fig. 4, the crank wheel 31 includes a wheel body (not shown) and an eccentric shaft 312 disposed along the axial direction of the wheel body, wherein a connecting shaft hole 311 is disposed on one side of the wheel body along the axial direction of the wheel body, the crank wheel 31 is mounted on the output shaft of the motor 21 through the connecting shaft hole 311, and the eccentric shaft 312 is rotatably connected to the connecting rod 32; the central axis of the eccentric shaft and the central axis of the connecting shaft hole 311 are not on the same straight line, and in sum, the crank wheel 31 functions as a crank in the crank-slider mechanism formed by the compressor 30; the crank wheel 31 completes the connection with the output shaft of the motor 21 and the connecting rod 32 respectively by one part to form two revolute pairs, and the crank wheel has compact structure and stable operation.

Further, since the slider of the offset slider-crank mechanism has a snap-back characteristic, in order to make the compressor 30 operate stably, the working cycle thereof is uniform and stable, so as to reduce the occurrence of vibration; preferably, the compressor 30 of the present embodiment forms a centering slider-crank mechanism, as shown in fig. 4, that is, the piston 33 passes through the rotation center line of the crank wheel 31 (the central axis of the connecting shaft hole 311) at the guide path center line of the cylinder 34, there is no snap-back characteristic to the centering slider-crank mechanism, the polar included angle is zero, and the compressor 30 of the present embodiment operates stably and has small vibration during the air supply process.

Further, since the compressor 30 constitutes a slider-crank mechanism, the distance between the central axis of the connecting shaft hole 311 and the central axis of the eccentric shaft 312 is the actual turning radius of the crank wheel 31 as the driving member; and the compressor 30 is embodied as a centering slider-crank mechanism, so that the moving stroke of the piston 33 reciprocating in the cylinder 34 is embodied as: the distance between the central axis of the connecting shaft hole 311 and the central axis of the eccentric shaft 312 is twice.

Further, as a specific implementation manner in the first embodiment of the present invention, as shown in fig. 3 and fig. 5, since the compressor 30 and the driving assembly 20 are installed in the cavity of the smaller hermetic shell 10, in order to avoid heat accumulation during the operation of the device from affecting the normal operation of the device, the driving assembly 20 further includes a fan 23, wherein the motor 21 is preferably a dual-shaft motor. Specifically, the double-shaft motor comprises a first output shaft 21a and a second output shaft 21b, the first output shaft 21a and the second output shaft 21b are respectively fixed through two bearing sets 22, the first output shaft 21a is connected with the crank wheel 31, and the second output shaft 21b is connected with the fan 23, the air supply device 100 is compact in structure and small in size, and the fan 23 is driven to rotate by the double-shaft motor, so that the wind generated by the fan 23 circulates in the shell 10 to dissipate heat inside the air supply device 100.

Further, as a specific implementation manner in the first embodiment of the present invention, as shown in fig. 6, a plurality of ventilation holes 121 are disposed on the bottom shell 12 of the casing 10, and the plurality of ventilation holes 121 respectively correspond to the air inlet of the fan 23 and the hot exhaust outlet of the compressor 30, so as to form a through structure for drawing out and exhausting air, so that the air circulates in the casing 10, and the heat dissipation inside the air supply device 100 is facilitated.

Further, as a specific implementation manner in the first embodiment of the present invention, as shown in fig. 4, the compressor 30 further includes a connecting frame 37, the connecting frame 37 is fixedly connected to the driving assembly 20, and the cylinder 34 is installed on the connecting frame 37, so that the cylinder 34 is relatively fixed to the motor 21 through the connecting frame 37, the transmission between the motor 21 and the compressor 30 is stable, and a deviation of a force balance in an operation process due to a relative position deviation in a movement process is reduced; meanwhile, the compressor 30 is not directly connected to the casing 10, preventing vibration generated during the operation of the compressor 30 from being directly transmitted to the casing 10.

Further, as a specific implementation manner in the first embodiment of the present invention, as shown in fig. 6, the air supply device 100 includes a shock absorbing member 40, the shock absorbing member 40 is made of a flexible material and has a shock absorbing effect, the shock absorbing member 40 is fixedly mounted on a mounting groove formed on one side of the casing 10 close to the cavity, the driving component 20 is connected with the casing 10 through the shock absorbing member 40, and the shock absorbing member 40 can buffer the shock generated by the compressor 30 and the motor 21 to reduce the overall shock of the air supply device in the operation process.

Embodiment two of the gas supply apparatus 100 of the present invention

The second embodiment has the same main technical features as the first embodiment, and the main differences from the first embodiment are as follows:

in the second embodiment, the compressor 30 further includes a pressure limiting valve (not shown) installed at an end of the second air outlet duct 36b, so that the air passing through the second air outlet duct 36b is discharged after being subjected to air pressure adjustment through the pressure limiting valve, and thus the air pressure of the air discharged from the second air outlet duct 36b can be adjusted.

For the same reason as the embodiment, the fluid pressure of the first air outlet channel 36a determines the concentration of mist atomized by the atomizer, and the fluid pressure of the second air outlet channel 36b determines the flow rate of mist sprayed out of the mist outlet of the atomizer; likewise, the first outlet duct 36a and the second outlet duct 36b discharge the air streams simultaneously by adjusting the rotation speed of the motor 21 to control the air stream output rate of the compressor 30; in addition, in the second embodiment, the pressure of the discharged airflow of the second air outlet duct 36b is adjustable through the pressure limiting valve, so that the flow rate of the mist sprayed out of the atomizer can be adjusted and controlled by a user according to specific use requirements.

Compared with the first embodiment, the compressor 30 of the second embodiment makes the gear adjustment of the concentration and the flow rate of the mist sprayed by the atomizer more various, and not only can the concentration and the flow rate of the sprayed mist be synchronously adjusted by adjusting the rotating speed of the motor, but also the flow rate of the sprayed mist can be further adjusted.

It is understood that, in the second embodiment, the pipe diameter of the first air outlet channel 36a and the pipe diameter of the second air outlet channel 36b are not specifically limited.

Of course, specifically in the second embodiment, preferably, in order to simplify the overall structure of the air supply device 100 and simplify the use method, the pipe diameters of the first air outlet duct and the second air outlet duct are the same, so that the air flows with the same air pressure discharged from the first air outlet duct 36a and the second air outlet duct 36b are directly subjected to pressure limiting adjustment according to specific requirements under the condition that the pressure limiting valve is not adjusted and is in a fully opened state, and then the air pressure of the air flow flowing out from the second air outlet duct for increasing the atomization flow rate is easily adjusted.

Based on foretell air feeder 100, the embodiment of the utility model provides a still provide an atomizer (not shown), wherein, this atomizer includes foretell air feeder 100, and this atomizer passes through the first air outlet 36a and the second air outlet 36b exhaust twice air current of air feeder 100's compressor 30, realizes the atomizing function of atomizer and improves the velocity of flow of atomizer blowout fog respectively.

Compared with the prior art, the atomizer at least has the following beneficial effects: this atomizer is through adopting foretell air feeder 100, can realize atomizing function and improve under the prerequisite of the velocity of flow of fog, simplify air feeder 100's overall structure, reduced the quantity of the required spare part of air feeder 100 to reduce air feeder 100's manufacturing cost, the whole manufacturing cost of atomizer also correspondingly reduces, finally improved the price/performance ratio of this atomizer, for the user has reduced medical cost, be favorable to improving the family popularity of atomizer.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A gas supply device, characterized in that the gas supply device comprises:

a housing provided with a cavity;

a drive assembly mounted within the cavity, the drive assembly including a motor;

a compressor provided with an air inlet and 1 air outlet; the compressor comprises a Y-shaped air outlet pipe butted with the air outlet, the Y-shaped air outlet pipe comprises a first air outlet channel and a second air outlet channel, and the end part of the first air outlet channel and the end part of the second air outlet channel are positioned on the outer side of the shell;

the compressor is driven by the motor to compress gas entering the air inlet, and the gas is discharged through the first air outlet channel and the second air outlet channel of the Y-shaped air outlet pipe, so that two kinds of air flows with different air pressures for realizing atomization and improving the flow speed of mist are obtained respectively.

2. The gas supply device according to claim 1, wherein a pipe diameter of the first air outlet channel is larger than a pipe diameter of the second air outlet channel, the first air outlet channel is used for discharging a gas flow for realizing atomization, and the second air outlet channel is used for discharging a gas flow for improving atomization flow rate.

3. The air supply device according to claim 1, wherein the compressor further comprises a pressure limiting valve installed on an end portion of the second air outlet duct to enable the air flow discharged from the second air outlet duct to be adjusted in air pressure.

4. The air supply device according to claim 3, wherein the first air outlet channel and the second air outlet channel have the same pipe diameter.

5. The air supply device according to any one of claims 1 to 4, wherein the compressor comprises a crank wheel, a connecting rod, a piston and a cylinder, the crank wheel is mounted on the output shaft of the motor, two ends of the connecting rod are respectively connected with the crank wheel and the piston in a rotating manner, and the piston is movably mounted in the cylinder so as to convert the whole-circle rotation of the crank wheel into the reciprocating movement of the piston in the cylinder.

6. The gas supply device according to claim 5, wherein the crank wheel includes a wheel body having a shaft coupling hole formed along one side thereof in an axial direction thereof, and an eccentric shaft mounted on an output shaft of the motor through the shaft coupling hole, the eccentric shaft being coupled to the other side of the wheel body and rotatably coupled to the connecting rod.

7. The air supply device according to claim 5, wherein the driving assembly further comprises a fan, the motor is a dual-shaft motor, the dual-shaft motor comprises a first output shaft and a second output shaft, the first output shaft is connected with the crank wheel, the second output shaft is connected with the fan, and the dual-shaft motor drives the fan to rotate, so that wind generated by the fan dissipates heat of the inside of the air supply device; and/or, be equipped with a plurality of ventilation holes on the casing, the ventilation hole is convenient for the inside heat dissipation of air feeder.

8. The gas supply device according to claim 5, wherein the compressor further comprises a connecting frame fixedly connected with the motor of the driving assembly, and the cylinder is mounted on the connecting frame so that the cylinder and the motor are relatively fixed.

9. The gas supply device according to any one of claims 1 to 4, characterized in that the gas supply device comprises a damper member mounted on a side of the housing close to the cavity, the motor being connected to the housing through the damper member.

10. An atomiser comprising a gas supply device as claimed in any one of claims 1 to 9.

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