CN204017047U - Portable ultrasonic atomizer and atomizing structure thereof - Google Patents

Abstract

The utility model discloses a portable ultrasonic atomizer and atomization structure thereof, atomization structure includes: a bearing unit, a vibration unit, an atomization unit and a limit unit. The bearing unit is provided with a first bearing part and a first surrounding part extending from the outer surrounding periphery of the first bearing part, wherein the first bearing part is provided with a through hole. The vibration unit comprises a ring-shaped vibration plate arranged on the bearing unit. The atomization unit is arranged on the first bearing part and is provided with a plurality of micro-spray holes communicated with the through holes. The limiting unit is provided with a first limiting part arranged on the atomizing unit and a second limiting part which extends out from the outer circumference of the first limiting part and extends along the first surrounding part, wherein the atomizing unit is positioned between the first bearing part and the limiting unit, and the first limiting part is provided with an opening for exposing the micro-spraying holes. The utility model discloses will atomizing unit location is in first bearing part with between the spacing unit.

Description

Portable Ultrasonic Nebulizer and Its Atomization Structure

technical field

The utility model relates to an ultrasonic atomizer and its atomization structure, in particular to a portable ultrasonic atomizer and its atomization structure.

Background technique

Spray treatment of respiratory diseases is a more popular medical method in recent years, because the atomized particles sprayed by the nebulizer are liquid droplets with a size of about 3 to 5 μm, such as liquid medicine, which can reach the bronchi and lungs for treatment, providing The atomized particles are inhaled through the mouth and nose and enter the bronchi, and then spread to the entire alveoli, so that the atomized drug solution can be fully absorbed by the human body. The effect is more efficient and direct than ordinary oral drugs. It is currently used in medical nebulizer products The atomization methods used can be roughly divided into pneumatic or ultrasonic (such as piezoelectric orifice sheet) atomization technology principles as the actuation mechanism of the atomizer.

Contents of the invention

The embodiment of the utility model is to provide a portable ultrasonic atomizer and its atomization structure.

An atomization structure provided by an embodiment of the present invention includes: a bearing unit, a vibration unit, a waterproof packaging unit, an atomization unit and a position limiting unit. The bearing unit has a first bearing part, a first surrounding part extending from the outer circumference of the first bearing part, a second surrounding part extending from the outer circumference of the first surrounding part. a bearing part, and a second surrounding part extending from the outer circumference of the second bearing part, wherein the first bearing part has a through hole, and the first surrounding part, the second bearing part and the second surrounding portion are sequentially connected to jointly define an annular groove. The vibrating unit includes an annular vibrating piece accommodated in the annular groove. The waterproof packaging unit is accommodated in the annular groove to cover and seal the annular vibrating piece. The atomization unit is arranged on the first bearing part, wherein the atomization unit has a plurality of micro-spray holes communicating with the through holes. The limiting unit has a first limiting part arranged on the atomizing unit and a first limiting part extending from the outer circumference of the first limiting part and extending along the first surrounding part. The second limiting part, wherein the atomization unit is positioned between the first carrying part and the limiting unit, and the first limiting part has a hole for exposing a plurality of the micro-spray holes opening.

Another embodiment of the utility model provides a portable ultrasonic nebulizer, which includes: a housing structure and an atomizing structure. The shell structure includes an outer shell, a top cover rotatably arranged on the top end of the outer shell, and a nozzle set on the outer circumference of the outer shell, wherein the outer shell There is an accommodating space covered by the top cover body on the top end. The atomization structure is accommodated in the outer shell and communicated between the accommodating space and the nozzle, wherein the atomization structure includes: a bearing unit, a vibration unit, a waterproof packaging unit, a fog chemical unit and a limiting unit. The bearing unit has a first bearing part, a first surrounding part extending from the outer circumference of the first bearing part, a second surrounding part extending from the outer circumference of the first surrounding part. a bearing part, and a second surrounding part extending from the outer circumference of the second bearing part, wherein the first bearing part has a through hole, and the first surrounding part, the second bearing part and the second surrounding portion are sequentially connected to jointly define an annular groove. The vibrating unit includes an annular vibrating piece accommodated in the annular groove. The waterproof packaging unit is accommodated in the annular groove to cover and seal the annular vibrating piece. The atomization unit is arranged on the first bearing part, wherein the atomization unit has a plurality of micro-spray holes communicating with the through holes. The limiting unit has a first limiting part arranged on the atomizing unit and a first limiting part extending from the outer circumference of the first limiting part and extending along the first surrounding part. The second limiting part, wherein the atomization unit is positioned between the first carrying part and the limiting unit, and the first limiting part has a hole for exposing a plurality of the micro-spray holes opening.

The beneficial effect of the utility model may lie in that the portable ultrasonic atomizer and its atomization structure provided by the embodiment of the utility model can pass through "the limiting unit has a first Design of a limiting portion and a second limiting portion” extending from the outer circumference of the first limiting portion and extending along the first surrounding portion, so as to position the atomizing unit Between the first carrying portion and the limiting unit.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the accompanying drawings are only for reference and illustration, and are not used to limit the present utility model.

Description of drawings

Fig. 1 is an exploded schematic diagram of one viewing angle of the atomization structure of the present invention.

Fig. 2 is an exploded schematic diagram of another viewing angle of the atomization structure of the present invention.

Fig. 3 is a combined schematic diagram of the atomization structure of the present invention.

FIG. 4 is a schematic cross-sectional view of the section line A-A of FIG. 3 .

Fig. 5 is a schematic cross-sectional view of another atomization structure of the present invention.

Fig. 6 is a partially exploded schematic view of the portable ultrasonic nebulizer of the present invention.

Fig. 7 is a combined schematic view of the portable ultrasonic atomizer of the present invention.

FIG. 8 is a schematic partial cross-sectional view of the section line B-B in FIG. 7 .

Fig. 9 is a schematic top view of the portable ultrasonic nebulizer of the present invention after the top cover is temporarily removed.

Fig. 10 is a schematic bottom view of the top cover of the present invention.

Fig. 11 is a schematic top view of the movable unit of the present invention before piercing the drug capsule.

Fig. 12 is a schematic top view of the pharmaceutical capsule pierced by the movable unit of the present invention.

Wherein, the reference signs are explained as follows:

Portable Ultrasonic Nebulizer Z

Shell structure 1

Outer shell 11

Accommodating space 110

Top cover body 12

Vent 120

Inner surface 121

Nozzle 13

Atomization structure 2

Bearing unit 21

Annular groove 2100

The first bearing part 211

Through hole 2110

Front surface 2111

Rear surface 2112

The first surrounding part 212

First Surrounding Surface 2121

Second Surrounding Surface 2122

The second bearing part 213

The second surrounding part 214

wrap around end 215

Vibration unit 22

Ring vibrating piece 220

Waterproof Encapsulation Unit 23

Atomization unit 24

Micro spray hole 241

Surround positioning department 242

Limit unit 25

The first limit part 251

Opening 2510

The second limit part 252

Shell unit 26

Front housing 261

Inner surface 2610

Export port 2611

Trumpet opening 2612

Rear housing 262

Inner surface 2620

Entry Port 2621

Bump 2622

Aqueous space 2623

Button Structure 3

Power button 31

toggle button 32

Drug placement structure 4

Medicine unit 41

Main body 411

External surface 4110

Auxiliary Department 412

Medicine space 413

First opening 414

Second opening 415

Strengthening rib 416

Movable unit 42

The first movable part 421

The second movable part 422

Protective structure 5

The first protection unit 51

First Protector 511

Through Hole 5110

The second protection unit 52

Second protective body 521

The third protection unit 53

Third Protection Body 531

Accommodating hole 5310

First Containment Department 53101

Second storage unit 53102

Width W1, W2

External surface 5311

Inner surface 5312

Elastomer 532

The first elastic part 5321

The second elastic part 5322

The third elastic part 5323

The fourth protection unit 54

The fourth protective body 541

Drug Capsules P

Potion M

Detailed ways

The following is a specific example to illustrate the implementation of the "portable ultrasonic atomizer and its atomization structure" disclosed in the utility model. Those skilled in the art can easily understand the advantages and disadvantages of the utility model from the content disclosed in this specification. effect. The utility model can also be implemented or applied through other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the utility model. In addition, the accompanying drawings of the present utility model are only for simple illustration, and are not drawn according to the actual size, that is, the actual size of the relevant components is not reflected, and will be described in advance. The following embodiments will further describe the relevant technical contents of the present utility model in detail, but the disclosed content is not intended to limit the technical scope of the present utility model.

Please refer to FIGS. 1 to 4 , wherein FIG. 4 is a schematic cross-sectional view of the A-A section line in FIG. 3 . The utility model provides an atomization structure 2 , which includes: a bearing unit 21 , a vibration unit 22 , a waterproof packaging unit 23 , an atomization unit 24 and a position limiting unit 25 .

First, as shown in FIG. 1 , FIG. 2 and FIG. 4 , the carrying unit 21 has a first carrying portion 211 , a first surrounding portion 212 extending from the outer circumference of the first carrying portion 211 , a first surrounding portion 212 extending from the first A second bearing part 213 extending from the outer circumference of the surrounding part 212, and a second surrounding part 214 extending from the outer circumference of the second bearing part 213, wherein the first bearing part 211 has a through hole 2110, And the first surrounding portion 212 , the second bearing portion 213 and the second surrounding portion 214 are sequentially connected to jointly define an annular groove 2100 . Furthermore, as shown in FIG. 4 , the first surrounding portion 212 can extend obliquely backward from the outer surrounding of the first carrying portion 211 . The second carrying portion 213 can vertically extend outward from the outer circumference of the first surrounding portion 212 and be parallel to the first carrying portion 211 . The second surrounding portion 214 can extend horizontally forward from the outer surrounding of the second carrying portion 213 and be perpendicular to the second carrying portion 213 . In addition, the carrying unit 21 further has a surrounding end portion 215 horizontally extending outward from the outer surrounding of the second surrounding portion 214 and parallel to the first carrying portion 211 .

Furthermore, as shown in FIG. 1 and FIG. 4 , the vibrating unit 22 includes an annular vibrating piece 220 arranged on the carrying unit 21 and accommodated in the annular groove 2100, and the waterproof packaging unit 23 (as shown in FIG. 4 ) It is accommodated in the ring groove 2100 to cover and seal the ring vibrating piece 220 . For example, the ring vibrating piece 220 can be a piezoelectric driving element made of any piezoelectric material, and the waterproof packaging unit 23 can be any kind of packaging material used to prevent moisture from contacting the ring vibrating piece 220 .

In addition, as shown in FIG. 1 , FIG. 2 and FIG. 4 , the atomizing unit 24 (which may be referred to as an atomizing sheet) is arranged on the first bearing portion 211 , and the atomizing unit 24 has a plurality of microscopic holes connected to the through hole 2110 . Spray holes 241 . In addition, the limiting unit 25 has a first limiting portion 251 disposed on the atomizing unit 24 and a second limiting portion 251 extending from the outer circumference of the first limiting portion 251 and extending along the first surrounding portion 212 . Two limiting parts 252, wherein as shown in Figure 4, the atomization unit 24 is positioned between the first carrying part 211 and the limiting unit 25, and the first limiting part 251 has a plurality of micro-spray holes for exposing The opening 2510 of 241 .

Furthermore, as shown in FIG. 1, FIG. 2 and FIG. 4, the first bearing portion 211 has a front surface 2111 and a rear surface 2112 opposite to the front surface 2111, and the first surrounding portion 212 has a A first surrounding surface 2121 of the surface 2111 and a second surrounding surface 2122 opposite to the first surrounding surface 2121 and connected to the rear surface 2112 . In addition, the atomizing unit 24 has a surrounding positioning part 242 arranged between the front surface 2111 of the first bearing part 211 and the first limiting part 251 and surrounding a plurality of micro-spray holes 241, which is shown in FIG. 1 and FIG. As shown, the front surface 2111 of the first carrying portion 211 is completely covered by the surrounding positioning portion 242 , and a part of the first surrounding surface 2121 of the first surrounding portion 212 is covered by the second limiting portion 252 .

Furthermore, as shown in Figures 1 to 4, the atomizing structure 2 further includes: a housing unit 26, in which a carrying unit 21, a vibration unit 22, a waterproof packaging unit 23, an atomizing unit 24 and a limiting unit 25 are accommodated in the housing unit 26. In addition, the housing unit 26 includes a front housing 261 and a rear housing 262 that cooperates with the front housing 261, wherein the front housing 261 has an outlet port 2611 for exposing a plurality of micro-spray holes 241 and a communication port. The horn-shaped opening 2612 at the outlet port 2611, and the rear housing 262 has an inlet port 2621 corresponding to the outlet port 2611, a plurality of protrusions 2622 adjacent to the inlet port 2621 and surrounding the inlet port 2621, and a plurality of protrusions 2622 surrounds and communicates with the water-containing space 2623 of the inlet end 2621, so as to effectively increase the water content of the inlet area. In addition, as shown in FIG. 4 , the first limiting portion 251 and the surrounding end portion 215 of the limiting unit 25 will simultaneously abut against the inner surface 2610 of the front housing 261 , and the second bearing portion 213 will abut against the rear housing 262 The inner surface 2620 of.

It is worth mentioning that, as shown in FIG. 5 , the atomization unit 24 has a surrounding positioning part arranged between the rear surface 2112 of the first bearing part 211 and the first limiting part 251 and surrounding a plurality of micro spray holes 241 242 , wherein the rear surface 2112 of the first carrying portion 211 is completely covered by the surrounding positioning portion 242 , and part of the second surrounding surface 2122 of the first surrounding portion 212 is covered by the second limiting portion 252 . In addition, the first bearing portion 211 and the surrounding end portion 215 will simultaneously abut against the inner surface 2610 of the front housing 261 , and the second bearing portion 213 will abut against the inner surface 2620 of the rear housing 262 . Therefore, the atomizing unit 24 and the limiting unit 25 can be placed not only at the front end of the carrying unit 21 (as shown in FIG. 4 ), but also at the rear end of the carrying unit 21 (as shown in FIG. 5 ).

Furthermore, as shown in FIG. 6 to FIG. 8 , the utility model provides a portable ultrasonic nebulizer Z, which includes: a housing structure 1 , an atomizing structure 2 and a button structure 3 . Wherein, the shell structure 1 includes an outer shell 11, a top cover body 12 rotatably arranged on the top end of the outer shell 11, and a nozzle 13 arranged on the outer circumference of the outer shell 11, wherein the outer shell 11 There is an accommodating space 110 covered by the top cover body 12 on the top end thereof, and the top cover body 12 has an exhaust hole 120 communicating with the accommodating space 110 . In addition, the atomizing structure 2 is accommodated in the outer casing 11 and communicated between the accommodating space 110 and the nozzle 13 . The button structure 3 includes a power button 31 arranged on the outer circumference of the outer casing 11 and at least one switching button 32 arranged on the outer circumference of the outer casing 11 .

Furthermore, as shown in Fig. 6 and Fig. 8 to Fig. 10, the portable ultrasonic nebulizer Z further includes: a medicine placement structure 4, and the medicine placement structure 4 includes: a medicine placement unit 41 and a movable unit 42 .

Firstly, as shown in FIG. 6 and FIG. 9 , FIG. 8 is a schematic cross-sectional view of the section line B-B in FIG. 7 . The medicine placement unit 41 is disposed in the accommodating space 110 . For example, the medicine setting unit 41 includes a main body 411, at least one auxiliary part 412 adjacent to the main body 411, a medicine setting space 413 surrounded by the main body 411 and the auxiliary part 412 and communicated with the accommodating space 110, a A first opening 414 located between one end of the main body part 411 and one end of the auxiliary part 412 and connected between the accommodating space 110 and the medicine storage space 413, the other end of the main body part 411 and the auxiliary part The other ends of the 412 communicate with the second opening 415 between the accommodating space 110 and the medicine dispensing space 413 , and a reinforcing rib 416 connected to the outer surface 4110 of the main body 411 .

Furthermore, as shown in FIG. 6 , FIG. 8 and FIG. 10 , the movable unit 42 extends from the inner surface 121 of the top cover body 12 into the accommodating space 110 . For example, the movable unit 42 includes a first movable member 421 extending from the inner surface 121 of the top cover body 12 into the accommodating space 110 and a first movable member 421 extending from the inner surface 121 of the top cover body 12 into the accommodating space 110 The second movable member 422 inside, and the first movable member 421 and the second movable member 422 may be symmetrically disposed on the inner surface 121 of the top cover body 12 .

Furthermore, as shown in FIG. 11 and FIG. 12 , the movable unit 42 can pass through the first opening 414 to move between the accommodating space 110 and the medicine storage space 413 . In other words, when the user rotates the top cover body 12 counterclockwise to drive the first movable member 421 and the second movable member 422 to move together, one of the first movable member 421 and the second movable member 422 will One will pass through the first opening to move between the accommodation space 110 and the medicine placement space 413 . For example, at least one drug capsule P containing medicinal liquid M can be pre-placed in the drug storage space 413. When the movable unit 42 moves from the accommodating space 110 to the drug storage space 413, the first The movable part 421 can puncture the medicine capsule P, so that the medicine M stored in the medicine capsule P can flow into the accommodating space 110 and into the water-containing space 2623 for use by the atomizing structure 2 .

In addition, as shown in Figures 6 to 8, the portable ultrasonic nebulizer Z further includes: a protective structure 5, which is arranged on the shell structure 1 to protect the portable ultrasonic nebulizer Z, wherein the protection The structure 5 includes: a first protection unit 51 , a second protection unit 52 , a third protection unit 53 and a fourth protection unit 54 .

First, as shown in FIG. 6 and FIG. 7 , the first protection unit 51 includes a first protection body 511 having a through hole 5110 , wherein the first protection body 511 is arranged in front of the power button 31 for covering the power button 31 . The second protection unit 52 includes two second protection bodies 521 corresponding to each other, wherein the two second protection bodies 521 respectively extend backward from two opposite sides of the first protection body 511, and the two second protection bodies 521 One of the bodies 521 is arranged in front of the switching button 32 for covering the switching button 32 . The third protection unit 53 has a third protection body 531 extending backward from the top of the first protection body 511 and connected between the two second protection bodies 521 and an elastic body connected to the third protection body 531 532 , wherein the third protective body 531 is disposed on the top cover body 12 , and a part of the elastic body 532 is accommodated in the vent hole 120 of the top cover body 12 for closing the vent hole 120 of the top cover body 12 . The fourth protection unit 54 has a fourth protection body 541 extending forward from the front end of the first protection body 511 and closing the through hole 5110, wherein the fourth protection body 541 will cover the nozzle 13 to protect the atomization Structure 2. In other words, the protection structure 5 includes a plurality of protection units, and one of the protection units (that is, the fourth protection unit 54) has a protection body (that is, the fourth protection body 541) and an elastic body 532 connected to the protection body. , wherein the protective body is disposed on the top cover body 12 , and a part of the elastic body 532 is accommodated in the vent hole 120 of the top cover body 12 for closing the vent hole 120 of the top cover body 12 . Thereby, when the portable ultrasonic nebulizer Z is in the storage state, through the use of the protection structure 5, it can not only prevent the power button 31 and the switching button 32 from being accidentally touched, but also prevent the liquid contained in the accommodating space 110 from draining. Air hole 120 leaks out.

Furthermore, as shown in FIG. 7 and FIG. 8 , the third protection body 531 has a receiving hole 5310 , wherein the receiving hole 5310 has a first receiving portion connected to the outer surface 5311 of the third protection body 531 53101 and a second accommodating portion 53102 connected to the inner surface 5312 of the third protective body 531 and communicated with the first accommodating portion 53101, and the width W2 of the second accommodating portion 53102 is greater than the width of the first accommodating portion 53101 W1. In addition, the elastic body 532 has a first elastic portion 5321 accommodated in the first accommodating portion 53101, a second elastic portion 5322 connected to the first elastic portion 5321 and accommodated in the second accommodating portion 53102, And a third elastic portion 5323 extending downward from the second elastic portion 5322 and accommodated in the exhaust hole 120 of the top cover body 12 .

[Possible efficacy of the embodiment]

To sum up, the beneficial effect of the utility model can be that the portable ultrasonic atomizer Z and its atomization structure 2 provided by the embodiment of the utility model can pass through the "limiting unit 25 and have a The design of the first limiting part 251 on the unit 24 and a second limiting part 252 "extending from the outer circumference of the first limiting part 251 and extending along the first surrounding part 212, so that the mist The loading unit 24 is positioned between the first carrying portion 211 and the limiting unit 25 .

The above descriptions are only preferred feasible embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. Therefore, all equivalent technical changes made by using the description of the utility model and the contents of the accompanying drawings are included in the utility model. within the scope of protection.

Claims (10)

1. An atomization structure, characterized in that, comprising: A bearing unit, the bearing unit has a first bearing part, a first surrounding part extending from the outer surrounding of the first bearing part, a first surrounding part extending from the outer surrounding of the first surrounding part The second bearing part, and a second surrounding part extending from the outer circumference of the second bearing part, wherein the first bearing part has a through hole, and the first surrounding part, the The second carrying portion and the second surrounding portion are sequentially connected to jointly define an annular groove; A vibrating unit, the vibrating unit comprising an annular vibrating piece accommodated in the annular groove; A waterproof packaging unit, the waterproof packaging unit is accommodated in the annular groove to cover and seal the annular vibrating piece; An atomization unit, the atomization unit is arranged on the first bearing part, wherein the atomization unit has a plurality of micro-spray holes communicating with the through holes; and A limiting unit, the limiting unit has a first limiting part arranged on the atomization unit and a first limiting part extending from the outer circumference of the first limiting part and A second limiting part extending around the part, wherein the atomization unit is positioned between the first bearing part and the limiting unit, and the first limiting part has a The opening of the micro-spray hole. 2. The atomization structure according to claim 1, further comprising: a housing unit, wherein the carrying unit, the vibration unit, the waterproof packaging unit, the atomization unit and the limiting unit are housed in the housing unit, the housing unit includes a front housing and a rear housing cooperating with the front housing, the front housing has a device for exposing a plurality of the The outlet end of the micro-spray hole and a trumpet-shaped opening connected to the outlet end, and the rear housing has an inlet end corresponding to the outlet end, a plurality of protrusions adjacent to the inlet end and surrounding the inlet end , and a water-containing space surrounded by a plurality of protrusions and communicated with the inlet end, wherein the first surrounding part extends obliquely backward from the outer surrounding of the first bearing part, so The second bearing part extends vertically outward from the outer circumference of the first surrounding part and is parallel to the first bearing part, and the second surrounding part extends from the outer circumference of the second bearing part The outer circumference extends horizontally forward and is perpendicular to the second carrying portion, and the carrying unit has a horizontally extending outward from the outer surrounding of the second surrounding portion and is parallel to the first bearing unit. a surrounding end portion of the carrier portion, wherein the first carrier portion has a front surface and a rear surface opposite to the front surface, and the first surrounding portion has a first surrounding surface connected to the front surface and a second surrounding surface opposite to the first surrounding surface and connected to the rear surface. 3. The atomization structure according to claim 2, wherein the atomization unit has a set between the front surface of the first bearing part and the first limiting part and surrounds a plurality of the The surrounding positioning part of the micro-spray hole, the front surface of the first bearing part is completely covered by the surrounding positioning part, and a part of the first surrounding surface of the first surrounding part is covered by the second Covered by the limiting portion, wherein the limiting unit and the surrounding end portion abut against the inner surface of the front housing, and the second bearing portion abuts against the inner surface of the rear housing. 4. The atomization structure according to claim 2, wherein the atomization unit has a set between the rear surface of the first bearing part and the first limiting part and surrounds a plurality of the The surrounding positioning part of the micro-spray hole, the rear surface of the first bearing part is completely covered by the surrounding positioning part, and a part of the second surrounding surface of the first surrounding part is covered by the second Covered by the limited part. 5. An atomization structure, characterized in that, comprising: A bearing unit, the bearing unit has a first bearing part and a first surrounding part extending from the outer circumference of the first bearing part, wherein the first bearing part has a through hole; A vibrating unit, the vibrating unit comprising an annular vibrating piece arranged on the carrying unit; An atomization unit, the atomization unit is arranged on the first bearing part, wherein the atomization unit has a plurality of micro-spray holes communicating with the through holes; and A limiting unit, the limiting unit has a first limiting part arranged on the atomization unit and a first limiting part extending from the outer circumference of the first limiting part and A second limiting part extending around the part, wherein the atomization unit is positioned between the first bearing part and the limiting unit, and the first limiting part has a The opening of the micro-spray hole. 6. A portable ultrasonic nebulizer, characterized in that, comprising: A casing structure, the casing structure includes an outer casing, a top cover rotatably arranged on the top end of the outer casing, and a nozzle arranged on the outer circumference of the outer casing, wherein There is an accommodating space covered by the top cover body on the top end of the outer casing; and An atomization structure, the atomization structure is accommodated in the outer shell and communicated between the accommodating space and the nozzle, wherein the atomization structure includes: A bearing unit, the bearing unit has a first bearing part, a first surrounding part extending from the outer surrounding of the first bearing part, a first surrounding part extending from the outer surrounding of the first surrounding part The second bearing part, and a second surrounding part extending from the outer circumference of the second bearing part, wherein the first bearing part has a through hole, and the first surrounding part, the The second carrying portion and the second surrounding portion are sequentially connected to jointly define an annular groove; A vibrating unit, the vibrating unit comprising an annular vibrating piece accommodated in the annular groove; A waterproof packaging unit, the waterproof packaging unit is accommodated in the annular groove to cover and seal the annular vibrating piece; An atomization unit, the atomization unit is arranged on the first bearing part, wherein the atomization unit has a plurality of micro-spray holes communicating with the through holes; and A limiting unit, the limiting unit has a first limiting part arranged on the atomization unit and a first limiting part extending from the outer circumference of the first limiting part and A second limiting part extending around the part, wherein the atomization unit is positioned between the first bearing part and the limiting unit, and the first limiting part has a The opening of the micro-spray hole. 7. The portable ultrasonic nebulizer as claimed in claim 6, further comprising: a drug placement structure, the drug placement structure comprising: A medicine placement unit, the medicine placement unit is arranged in the accommodating space, wherein the medicine placement unit includes a main body part, at least one auxiliary part adjacent to the main body part, a back cover for the main body part and at least one A drug placement space surrounded by the auxiliary part and communicated with the accommodation space, a drug storage space located between one end of the main body part and one end of at least one auxiliary part and communicated with the accommodation space and the first opening between the medicine placement space, and a first opening located between the other end of the main body part and the other end of at least one auxiliary part and communicating with the accommodating space and the medicine placement space. a second opening between the spaces; and A movable unit, the movable unit extends from the inner surface of the top cover body into the accommodating space, wherein the movable unit passes through the first opening to connect the accommodating space and the accommodating space Move between the drug storage spaces; Wherein, at least one drug capsule containing liquid medicine is placed in the drug placement space, and when the movable unit moves from the accommodating space to the drug placement space, the movable unit will puncture At least one of the medicine capsules, so that the medicine stored in the at least one of the medicine capsules flows into the accommodating space. 8. The portable ultrasonic nebulizer as claimed in claim 7, wherein said medication unit includes a strengthening rib connected to the outer surface of said main body, said movable unit includes a A first movable member extending from the inner surface into the accommodating space and a second movable member extending from the inner surface of the top cover into the accommodating space, and the first A movable part and the second movable part are symmetrically arranged on the inner surface of the top cover body, wherein when the top cover body drives the first movable part and the second movable part When the moving parts move together, one of the first movable part and the second movable part will pass through the first opening to move between the accommodating space and the drug placement space. 9. The portable ultrasonic atomizer as claimed in claim 6, further comprising: a protection structure and a button structure, wherein the protection structure is arranged on the housing structure, and the button structure includes a The power button on the outer circumference of the outer casing and at least one switching button arranged on the outer circumference of the outer casing, wherein the protection structure includes: A first protection unit, the first protection unit includes a first protection body, wherein the first protection body is arranged in front of the power button for covering the power button; A second protection unit, the second protection unit includes two second protection bodies corresponding to each other, wherein the two second protection bodies respectively extend backward from two opposite sides of the first protection body out, and one of the two second protective bodies is arranged in front of at least one of the switching buttons for covering at least one of the switching buttons; A third protection unit, the third protection unit has a third protection body extending backward from the top end of the first protection body and connected between the two second protection bodies, and a third protection body connected to the The elastic body of the third protective body, wherein the third protective body is arranged on the top cover body, and a part of the elastic body is accommodated in a vent hole of the top cover body for use for closing the vent hole of the top cover body; and A fourth protection unit, the fourth protection unit has a fourth protection body extending forward from the front end of the first protection body, wherein the fourth protection body covers the nozzle for protection The atomization structure. 10. The portable ultrasonic nebulizer as claimed in claim 9, wherein said third protective body has a housing hole, said housing hole has a first housing connected to the outer surface of said third protective body a housing part and a second housing part connected to the inner surface of the third protective body and communicated with the first housing part, and the width of the second housing part is larger than that of the first housing part width, wherein the elastic body has a first elastic part accommodated in the first accommodating part, a second elastic part connected to the first elastic part and accommodated in the second accommodating part part, and a third elastic part extending downward from the second elastic part and accommodated in the vent hole of the top cover body.