CN219398547U - Atomization structure and inhalation device - Google Patents

Abstract

The application relates to an atomizing structure and inhalation device, include: a bracket assembly; an atomizing assembly mounted within the holder assembly and including a microfluidic crystal and a seal surrounding the microfluidic crystal; the microfluidic crystal is provided with a liquid inlet side and a liquid outlet side which are communicated with each other, and the sealing piece is provided with a top surface positioned on the same side as the liquid outlet side; wherein, the support subassembly is provided with the flange towards the top surface protrusion, and the sealing member is pressed in the support subassembly by the flange. The atomization structure is used in an inhalation device, and the micro-flow crystal is a crystal piece with a plurality of micro-flow channels inside, so that the aerosol generating substrate can be atomized after flowing through the micro-flow crystal from the liquid inlet side to the liquid outlet side. The support component is provided with a flange in a protruding mode facing the top surface, the sealing element is extruded in the support component by the flange to extrude the sealing element from the liquid outlet side of the micro-flow crystal, and then the sealing element is deformed inwards to effectively seal the micro-flow crystal surrounded by the sealing element, so that liquid leakage is prevented when the aerosol generating substrate flows to the micro-flow crystal.

Description

Atomization structure and inhalation device

Technical Field

The present application relates to the field of atomization technology, and in particular, to an atomization structure and an inhalation device.

Background

The aerosol is a colloid dispersion system formed by dispersing and suspending solid or liquid small particles in a gaseous medium, and can be absorbed by a human body through a respiratory system, so that a novel alternative absorption mode is provided for a user, the aerosol is applied to different fields, and the aerosol which can be inhaled is delivered for the user to replace the conventional product form and absorption mode.

In the medical technical field, aerosol raw substrates are generally atomized into aerosol through an inhalation device for inhalation by a patient, and for the traditional medical inhalation device, aerosol for inhalation by a user is formed through the atomization and ejection of the aerosol generating substrates in a medicament bottle by inhaling the aerosol generating substrates into an atomization structure. However, the micro-fluid crystals used for atomization in the atomizing structure are not easily sealed and may cause leakage of the aerosol-generating substrate.

Disclosure of Invention

Accordingly, it is necessary to provide an atomizing structure and an inhalation device for solving the problem that the micro-fluid crystal is not easily sealed.

An atomizing structure, comprising:

a bracket assembly;

an atomizing assembly mounted within the holder assembly and comprising a microfluidic crystal and a seal surrounding the microfluidic crystal; the microfluidic crystal has a liquid inlet side and a liquid outlet side which are communicated with each other, and the sealing piece is provided with a top surface positioned on the same side as the liquid outlet side;

wherein, the support subassembly is provided with the flange towards the top surface protrusion, the sealing member is pressed in the support subassembly by the flange.

The atomization structure is used in an inhalation device, and the micro-flow crystal is a crystal piece with a plurality of micro-flow channels inside, so that the aerosol generating substrate can be atomized after flowing through the micro-flow crystal from the liquid inlet side to the liquid outlet side. The support component is provided with a flange in a protruding mode facing the top surface, the sealing element is extruded in the support component by the flange to extrude the sealing element from the liquid outlet side of the micro-flow crystal, and then the sealing element is deformed inwards to effectively seal the micro-flow crystal surrounded by the sealing element, so that liquid leakage is prevented when the aerosol generating substrate flows to the micro-flow crystal.

In one embodiment, the flange is circular or oval.

In one embodiment, a mounting channel is formed in the sealing member, the microfluidic crystal is sleeved in the mounting channel, and the mounting channel is provided with the first opening and the second opening corresponding to the liquid inlet side and the liquid outlet side respectively.

In one embodiment, a first gap is reserved between at least a portion of an inner wall of the first opening and the microfluidic crystal.

In one embodiment, the microfluidic crystal is a cuboid, two opposite sides in the thickness direction of the microfluidic crystal are the liquid inlet side and the liquid outlet side, and the first gap is reserved on at least one of the two opposite sides in the width direction of the microfluidic crystal; or the first gap is reserved on at least one of two opposite sides of the micro-flow crystal along the width direction, and the first gap is reserved on at least one of two opposite sides of the micro-flow crystal along the length direction.

In one embodiment, the first opening includes a first main opening and two first auxiliary openings that are both communicated with the first main opening, the first main opening corresponds to the liquid inlet side, and the two first auxiliary openings are located on opposite sides of the first main opening along the width direction; wherein the first auxiliary opening is configured as the first gap.

In one embodiment, a second gap is reserved between at least a portion of the inner wall of the second opening and the microfluidic crystal.

In one embodiment, the microfluidic crystal is a cuboid, two opposite sides of the thickness direction of the microfluidic crystal are respectively the liquid inlet side and the liquid outlet side, and the second gap is reserved on at least one of the two opposite sides of the microfluidic crystal along the width direction; or the second gap is reserved on at least one of two opposite sides of the micro-flow crystal along the width direction, and the second gap is reserved on at least one of two opposite sides of the micro-flow crystal along the length direction.

In one embodiment, the second openings include a second main opening and four second auxiliary openings each communicating with the second main opening, the second main opening corresponds to the liquid outlet side, two of the four second auxiliary openings are located on opposite sides of the second main opening along the width direction, and the other two of the four second auxiliary openings are located on opposite sides of the second main opening along the length direction; wherein the second auxiliary opening is configured as the second gap.

In one embodiment, the support assembly comprises a support, a support module and a cover body, wherein the support is provided with an installation cavity, the support module is arranged in the installation cavity, the atomization assembly is arranged in the support module, the cover body is detachably connected with the support and is in butt joint with one end of the support module, which is positioned at the liquid outlet side, and the support module is provided with a flange.

In one embodiment, the support module includes a first support member and a second support member, the first support member is sleeved in the installation cavity, a mounting groove is formed in the first support member, the atomization component is installed in the mounting groove, and the second support member is sleeved on the first support member, faces the top surface of the sealing member, and is clamped between the cover body and the first support member;

wherein a side of the second support facing the top surface is provided with the flange.

In one embodiment, the atomizing structure further comprises a gasket disposed between the seal and the first support.

In one embodiment, the atomization structure further comprises a filter, and the first support, the second support and the cover body are respectively provided with a first via hole, a second via hole and an injection port;

the first through hole is communicated with the liquid inlet side, the second through hole is communicated with the liquid outlet side, the jet orifice is communicated with the second through hole, and the filter element is arranged in the first through hole.

The inhalation device comprises a suction tube and the atomization structure, wherein one end of the suction tube is sleeved in the bracket assembly and communicated with the liquid inlet side, and the other end of the suction tube is used for being inserted into a medicament bottle.

Drawings

FIG. 1 is a schematic cross-sectional view of an inhalation device according to one embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an atomizing structure in the inhalation device of FIG. 1;

FIG. 3 is a partial schematic view of the atomizing structure shown in FIG. 2;

FIG. 4 is a schematic view of a second support member in the atomizing structure shown in FIG. 3;

FIG. 5 is an exploded view of one view of the atomizing assembly of the atomizing structure shown in FIG. 2;

fig. 6 is an exploded view of the atomizing assembly of the atomizing structure of fig. 2 from another perspective.

Reference numerals illustrate: 300. a medicament bottle; 200. an inhalation device; 210. a suction pipe; 100. an atomizing structure; 10. a bracket assembly; 11. a flange; 30. an atomizing assembly; 32. a microfluidic crystal; 321. a liquid inlet side; 323. a liquid outlet side; 34. a seal; 341. a top surface; 343. a mounting channel; 42. a first opening; 421. a first main opening; 423. a first auxiliary opening; 44. a second opening; 441. a second main opening; 443. a second auxiliary opening; 50. a bracket; 51. a mounting cavity; 70. a support module; 72. a first support; 721. a mounting groove; 723. a first via; 74. a second support; 741. a second via; 80. a cover body; 82. an ejection port; 92. a gasket; 94. a filter element.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1, in an embodiment of the present application, there is provided an inhalation device 200, including an atomization structure 100 and a straw 210, wherein one end of the straw 210 is inserted into the atomization structure 100, the other end of the straw 210 is used for being inserted into a medicament bottle 300, and when a user uses the inhalation device 200, an aerosol generating substrate in the medicament bottle 300 flows to the atomization structure 100 through the straw 210, and is atomized into aerosol through the atomization structure 100 for inhalation by the user.

Referring to fig. 2-3, in some embodiments, an atomizing structure 100 includes a holder assembly 10 and an atomizing assembly 30, the atomizing assembly 30 being mounted within the holder assembly 10 and including a microfluidic crystal 32 and a seal 34 surrounding the microfluidic crystal 32, the microfluidic crystal 32 having an inlet side 321 and an outlet side 323 in communication with each other, the seal 34 having a top surface 341 on the same side as the outlet side 323. The micro-fluid crystal 32 is a structural member with a plurality of micro-fluid channels therein, and the liquid aerosol-generating substrate is atomized to form aerosol after flowing through the micro-fluid crystal 32 from the liquid inlet side 321 to the liquid outlet side 323 under the action of pressure. The microcrystals 32 may generally be formed from at least one of a polymeric material, a metal, a ceramic, a glass, or a silicon-based material.

And, the support assembly 10 is provided with a flange 11 protruding towards the top surface 341, and the sealing member 34 is pressed in the support assembly 10 by the flange 11, so that the sealing member 34 is pressed from the liquid outlet side 323 of the micro-fluidic crystal 32, and the sealing member 34 is deformed inwards, so that the micro-fluidic crystal 32 surrounded by the sealing member 34 is sealed, and liquid leakage is prevented when the aerosol generating substrate flows to the micro-fluidic crystal 32. It will be appreciated that the benefits of the arrangement described above include mainly the following. On the one hand, the flange 11 can deform the sealing element 34, and the deformation can convert the axial pressure of the flange 11, which is directed to the sealing element 34, into the pressure surrounding the periphery of the micro-fluidic crystal 32, namely, the axial pressure is converted into the pressure in the plane direction perpendicular to the axial pressure, so that the stability and sealing effect of the micro-fluidic crystal 32 are improved, the pressure is uniformly dispersed, and the damage to the micro-fluidic crystal 32 due to the concentrated pressure is avoided. On the other hand, the flange 11 is disposed on one side of the liquid outlet side 323, so that the matching relationship of the related components can be finely adjusted in the assembling process, the situation that the whole structure needs to be reassembled in the inconsistent condition in the assembling process is avoided, and the convenience and consistency of the assembling are improved.

Referring to fig. 4, further, the flange 11 is circular or oval, and the flange 11 has no sharp corners to uniformly apply a pressing force to the sealing member 34, so that the sealing member 34 can be uniformly deformed and sealed.

Referring to fig. 3-6, in some embodiments, a mounting channel 343 is formed in the seal 34, the micro-fluid crystals 32 are sleeved in the mounting channel 343, and the mounting channel 343 has a first opening 42 and a second opening 44 corresponding to the liquid inlet side 321 and the liquid outlet side 323, respectively, so that the micro-fluid crystals 32 are mounted through the mounting channel 343 on the seal 34, and the mounting channel 343 has the first opening 42 and the second opening 44, and the aerosol-generating substrate flows into the micro-fluid crystals 32 through the first opening 42 and is atomized and then is ejected from the second opening 44.

In some embodiments, a first gap (423) is reserved between at least a portion of the inner wall of the first opening 42 and the micro-fluid crystal 32, which is equivalent to that at least a portion of the inner wall of the first opening 42 is not directly adhered to the micro-fluid crystal 32, so that the first gap (423) is reserved for the sealing element 34 at the first opening 42, when the sealing element 34 is pressed by the flange 11 to deform inwards and tightly adhered to the micro-fluid crystal 32, the first gap is a reserved space for deformation of the sealing element 34 in the axial direction, so that the sealing element 34 is prevented from protruding out of the liquid inlet side 321 while deforming inwards to cause other problems, such as blocking the liquid inlet of the liquid inlet side 321, so that the atomization effect is ensured and the sealing effect is ensured.

Further, the micro-flow crystal 32 is a cuboid, two opposite sides of the thickness direction of the micro-flow crystal 32 are respectively a liquid inlet side 321 and a liquid outlet side 323, a first gap (423) is reserved on at least one of two sides of the micro-flow crystal 32 along the width direction, namely, the micro-flow crystal 32 reserves the first gap (423) beside the long side of the liquid inlet side 321, when the sealing element 34 deforms around the micro-flow crystal 32 towards the inner part close to the micro-flow crystal 32, one side of the sealing element 34 corresponding to the long side of the micro-flow crystal 32 deforms greatly, and then the first gap (423) is correspondingly arranged to effectively ensure the sealing effect. Alternatively, the first gaps are reserved on at least one of the two opposite sides of the micro-fluidic crystal 32 in the width direction, and the first gaps are reserved on at least one of the two opposite sides of the micro-fluidic crystal 32 in the length direction, that is, the first gaps are disposed beside the long side and the short side of the micro-fluidic crystal 32, so as to further ensure the sealing effect.

Specifically, the first opening 42 includes a first main opening 421 and two first auxiliary openings 423 that are all in communication with the first main opening 421, the first main opening 421 corresponds to the liquid inlet side 321, and the two first auxiliary openings 423 are located on opposite sides of the first main opening 421 in the width direction, so that the first auxiliary openings 423 are all disposed beside the two long sides of the liquid inlet side 321 of the micro-fluid crystal 32, the first auxiliary openings 423 are configured as a first gap, and a deformation space required in the axial direction when the sealing member 34 deforms inwards is reserved through the first auxiliary openings 423.

In some embodiments, a second gap (443) is reserved between at least a portion of the inner wall of the second opening 44 and the microfluidic crystal 32. At least part of the inner wall corresponding to the second opening 44 is not directly attached to the micro-fluid crystal 32, so that a second gap (443) is reserved for the sealing element 34 at the second opening 44, and when the sealing element 34 is pressed by the flange 11 to deform inwards and is tightly attached to the micro-fluid crystal 32, the second gap reserves a space for deformation of the sealing element 34 in the axial direction, so that the sealing element 34 is prevented from protruding out of the liquid outlet side 323 while deforming inwards, and the atomization effect is ensured while the sealing effect is ensured.

Further, the sealing member 34 may be made of a flexible material such as silicone. As shown in fig. 2-6, the seal 34 is frustoconical in shape. Further, the second opening 44 of the circular truncated cone-shaped sealing member 34 is formed at one bottom surface with a larger radius, and the first opening 42 is formed at one bottom surface with a smaller radius. It will be appreciated that the frustoconical seal 34 facilitates assembly while providing a more uniform sealing pressure.

Further, the micro-flow crystal 32 is a cuboid, two opposite sides of the thickness direction of the micro-flow crystal 32 are respectively a liquid inlet side 321 and a liquid outlet side 323, a second gap (443) is reserved on at least one of the two opposite sides of the micro-flow crystal 32 along the width direction, namely, a second gap is reserved beside the long side of the liquid outlet side 323 of the micro-flow crystal 32, when the sealing element 34 deforms around the micro-flow crystal 32 towards the inner part close to the micro-flow crystal 32, one side of the sealing element 34 corresponding to the long side of the micro-flow crystal 32 deforms more, and then the second gap is correspondingly arranged, so that the sealing effect is effectively ensured. Alternatively, the second gaps are reserved on at least one of two opposite sides of the micro-fluid crystal 32 along the width direction, and the second gaps are reserved on at least one of two opposite sides of the micro-fluid crystal 32 along the length direction, that is, the second gaps are disposed on the long side and the short side of the liquid outlet side 323 of the micro-fluid crystal 32, so as to further ensure the sealing effect.

Specifically, the second opening 44 includes a second main opening 441 and four second auxiliary openings 443 each communicating with the second main opening 441, the second main opening 441 corresponding to the liquid outlet side 323, two of the four second auxiliary openings 443 being located on opposite sides of the second main opening 441 in the width direction, respectively, and the other two of the four second auxiliary openings 443 being located on opposite sides of the second main opening 441 in the length direction, respectively, the second auxiliary openings 443 being configured as second gaps. In this way, the second auxiliary openings 443 are provided on both long sides and on both short sides of the liquid outlet side 323 of the micro-crystal 32, the second auxiliary openings 443 are configured as second gaps, and deformation spaces required in the axial direction when the sealing member 34 is deformed inward are reserved through the second auxiliary openings 443.

In some embodiments, the bracket assembly 10 includes a bracket 50, a support module 70 and a cover 80, the bracket 50 is provided with a mounting cavity 51, the support module 70 is disposed in the mounting cavity 51, and the atomizing assembly 30 is mounted in the support module 70 to fix the atomizing assembly 30 by the support module 70. The cover 80 is detachably connected to the bracket 50 and abuts against one end of the support module 70 located on the liquid outlet side 323, the flange 11 is provided on the support module 70, the support module 70 is used for fixing the atomizing assembly 30, and meanwhile, the flange 11 with the extrusion sealing member 34 is provided, when the cover 80 is covered on the bracket 50, the cover is abutted against one end of the support module 70 located on the liquid outlet side 323, the support module 70 is extruded into the bracket assembly 10, and then the flange 11 on the support module 70 is made to extrude the sealing member 34, so that the micro-fluid crystals 32 in the sealing member 34 are effectively sealed.

Optionally, the cover 80 is screwed to the bracket 50 for easy assembly and disassembly.

Further, the support module 70 includes a first support member 72 and a second support member 74, the first support member 72 is sleeved in the mounting cavity 51, i.e. the first support member 72 is assembled on the bracket 50, the first support member 72 is provided with a mounting groove 721, the atomizing assembly 30 is mounted in the mounting groove 721, i.e. sleeved in the first support member 72, and the second support member 74 is sleeved on the first support member 72, faces the top surface 341 of the sealing member 34, and is clamped between the cover 80 and the first support member 72. That is, the atomizing assembly 30 is mounted in the mounting groove 721 of the first support 72, and the second support 74 is disposed to cover the first support 72 and presses the atomizing assembly 30 by the pressing of the cover 80. And, the side of the second support 74 facing the top surface 341 is provided with a flange 11 to apply a pressing force to the top surface 341 of the seal 34 by the flange 11 on the second support 74, ensuring a sealing effect.

In some embodiments, the first support 72, the second support 74, and the cover 80 are respectively provided with a first via 723, a second via 741, and an injection port 82, the first via 723 is communicated with the liquid inlet side 321, the second via 741 is communicated with the liquid outlet side 323, the injection port 82 is communicated with the second via 741, and the aerosol-generating substrate enters the microfluidic crystal 32 through the first via 723, is injected from the second via 741 and the injection port 82, and forms an atomized aerosol.

Further, the atomizing structure 100 also includes a filter 94, the filter 94 being disposed within the first via 723 to filter aerosol-generating substrate flowing toward the microfluidic crystal 32.

In some embodiments, the atomizing structure 100 further includes a spacer 92, the spacer 92 being disposed between the seal 34 and the first support 72, such that the spacer 92 elevates the seal 34, preventing the microfluidic crystal 32 surrounded by the seal 34 from rigidly contacting the first support 72, and preventing the microfluidic crystal 32 from moving downward and being rigidly compressed against the first support 72 and damaged when the cap 80 is installed.

In the inhalation device 200, one end of the straw 210 is inserted into the holder assembly 10 and is communicated with the liquid inlet side 321 of the micro-fluid crystal 32, the other end of the straw 210 is inserted into the medicament bottle 300, the aerosol-generating substrate in the medicament bottle 300 flows into the micro-fluid crystal 32 through the straw 210 and is atomized and then ejected, and the sealing member 34 is pressed by the flange 11 and then deformed inwards, so as to effectively seal the micro-fluid crystal 32 and prevent the aerosol-generating substrate from leaking.

The assembly process of the atomizing structure 100 may be: first, the components including the first support 72, the atomizing assembly 30, etc. are assembled in the installation cavity 51 formed by the bracket 50; a second step of mounting the side of the second support 74 provided with the flange 11 to the top surface 341; in a third step, the cover 80 is mounted against the other side of the second support 74 and provides a gradual compression. In the steps, the matching relation of the related components can be directly adjusted in the second step, so that the components which are already installed in the first step are prevented from being adjusted, and the convenience and consistency of assembly are improved.

In some embodiments, in one embodiment of the present application, an atomization structure 100 as described above is provided. The atomizing structure 100 includes a holder assembly 10 and an atomizing assembly 30, the atomizing assembly 30 being mounted within the holder assembly 10 and including a microfluidic crystal 32 and a seal 34 surrounding the microfluidic crystal 32, the microfluidic crystal 32 having a liquid inlet side 321 and a liquid outlet side 323 in communication with each other, the seal 34 having a top surface 341 on the same side as the liquid outlet. The micro-fluid crystal 32 is a crystal member with a plurality of micro-fluid channels therein, and the aerosol-generating substrate is atomized after flowing through the micro-fluid crystal 32 from the liquid inlet side 321 to the liquid outlet side 323.

In addition, the flange 11 is disposed towards the top surface 341 of the support assembly 10, and the sealing member 34 is pressed in the support assembly 10 by the flange 11, so as to press the sealing member 34 from the liquid outlet side 323 of the micro-fluidic crystal 32, so that the sealing member 34 is deformed inwards to effectively seal the micro-fluidic crystal 32 surrounded by the sealing member 34, and leakage of the aerosol-generating substrate when flowing to the micro-fluidic crystal 32 is prevented.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (14)

1. An atomizing structure, comprising:

a bracket assembly;

an atomizing assembly mounted within the holder assembly and comprising a microfluidic crystal and a seal surrounding the microfluidic crystal; the microfluidic crystal has a liquid inlet side and a liquid outlet side which are communicated with each other, and the sealing piece is provided with a top surface positioned on the same side as the liquid outlet side;

wherein, the support subassembly is provided with the flange towards the top surface protrusion, the sealing member is pressed in the support subassembly by the flange.

2. The atomizing structure of claim 1, wherein the flange is circular or oval.

3. The atomizing structure of claim 1, wherein a mounting channel is formed in the sealing member, the microfluidic crystal is sleeved in the mounting channel, and the mounting channel has a first opening and a second opening corresponding to the liquid inlet side and the liquid outlet side, respectively.

4. A atomising structure according to claim 3 wherein a first gap is reserved between at least part of the inner wall of the first opening and the micro-fluid crystals.

5. The atomizing structure according to claim 4, wherein the micro-fluid crystal is rectangular, opposite sides in a thickness direction of the micro-fluid crystal are the liquid inlet side and the liquid outlet side, respectively, and the micro-fluid crystal is left with the first gap along at least one of the opposite sides in a width direction; or the first gap is reserved on at least one of two opposite sides of the micro-flow crystal along the width direction, and the first gap is reserved on at least one of two opposite sides of the micro-flow crystal along the length direction.

6. The atomizing structure of claim 5, wherein the first opening includes a first main opening and two first auxiliary openings each communicating with the first main opening, the first main opening corresponding to the liquid inlet side, the two first auxiliary openings being located on opposite sides of the first main opening in the width direction, respectively; wherein the first auxiliary opening is configured as the first gap.

7. A atomising structure according to claim 3 wherein a second gap is reserved between at least a part of the inner wall of the second opening and the micro-fluidic crystal.

8. The atomizing structure according to claim 7, wherein the micro-fluid crystal is rectangular parallelepiped, opposite sides in a thickness direction of the micro-fluid crystal are the liquid inlet side and the liquid outlet side, respectively, and the second gap is reserved in at least one of the opposite sides in a width direction of the micro-fluid crystal; or the second gap is reserved on at least one of two opposite sides of the micro-flow crystal along the width direction, and the second gap is reserved on at least one of two opposite sides of the micro-flow crystal along the length direction.

9. The atomizing structure according to claim 8, wherein the second opening includes a second main opening and four second auxiliary openings each communicating with the second main opening, the second main opening corresponding to the liquid outlet side, two of the four second auxiliary openings being located on opposite sides of the second main opening in the width direction, respectively, and the other two of the four second auxiliary openings being located on opposite sides of the second main opening in the length direction, respectively; wherein the second auxiliary opening is configured as the second gap.

10. The atomizing structure according to any one of claims 1 to 9, wherein the bracket assembly comprises a bracket, a supporting module and a cover body, a mounting cavity is formed in the bracket, the supporting module is arranged in the mounting cavity, the atomizing assembly is arranged in the supporting module, the cover body is detachably connected with the bracket and is abutted to one end of the supporting module, which is positioned on the liquid outlet side, and the flange is arranged on the supporting module.

11. The atomizing structure of claim 10, wherein the support module includes a first support member and a second support member, the first support member is sleeved in the mounting cavity, a mounting groove is formed in the first support member, the atomizing assembly is mounted in the mounting groove, and the second support member is sleeved on the first support member and faces the top surface of the sealing member and is clamped between the cover body and the first support member;

wherein a side of the second support facing the top surface is provided with the flange.

12. The atomizing structure of claim 11, further comprising a gasket disposed between the seal and the first support.

13. The atomizing structure of claim 11, further comprising a filter, wherein the first support, the second support, and the cover are provided with a first via, a second via, and an injection port, respectively;

the first through hole is communicated with the liquid inlet side, the second through hole is communicated with the liquid outlet side, the jet orifice is communicated with the second through hole, and the filter element is arranged in the first through hole.

14. An inhalation device comprising a straw and an atomising structure according to any one of claims 1 to 13, wherein one end of the straw is arranged in the holder assembly in a sleeved relationship with the liquid inlet side, and the other end of the straw is arranged for insertion into a medicament bottle.