CN213819846U - Airtight atomizer structure and aerosol generating device - Google Patents

Abstract

The utility model relates to the field of aerosol, in particular to a closed atomizer structure and an aerosol generating device, wherein the upper end of a shell is provided with a suction nozzle, the lower end of the shell is provided with a base, a partition block is arranged inside the shell, then separate the break block and divide into two-layer about with the inner space of shell, the inside of shell is equipped with the atomizer unit, the atomizer unit is installed on the base then passes the upper end that separates the break block until the shell, the upper space of shell is used for storing the tobacco tar as the oil storage chamber, the lower floor space of shell is used for storing the unexpected tobacco tar and the condensate that permeates of atomizer unit as the leak protection chamber, the lower extreme of shell adopts ultrasonic bonding seal structure to be used for sealing the lower floor space of shell with the edge junction all around of base, the scheme innovation point lies in optimizing the structure of atomizer and makes the structure of atomizer compacter, use full seal structure simultaneously to prevent the tobacco tar and the condensate seepage to the external world.

Description

Airtight atomizer structure and aerosol generating device

Technical Field

The utility model belongs to the aerosol field, in particular to airtight atomizer structure and aerosol production device.

Background

The electronic cigarette is an electronic product simulating a cigarette, and has the same appearance, smoke, taste and sensation as the cigarette. It is a product which is absorbed by users after nicotine and the like are changed into steam by means of atomization and the like; wherein the atomization is the process that the tobacco tar in the electronic cigarette permeates into the oil absorption cotton and the heating component and is heated. In the atomization process, in the prior art, as more parts and gaps exist in the structure, smoke oil and condensate can flow back due to poor tightness and even permeate into the shell of the electronic cigarette, and the use experience of a user is seriously influenced.

In the process of solving the problems in the prior art, a mode of adding a sealing ring is adopted, and a blocking mode is adopted, so that gaps of tobacco tar and condensate can be permeated. There is still room for improvement in existing structures.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an airtight atomizer structure and aerosol generate device solves tobacco tar and condensate and permeates external problem.

In order to achieve the above object, the utility model provides an airtight atomizer structure has the shell, the upper end of shell sets up the suction nozzle, the lower extreme of shell sets up the base, the inside of shell sets up at a distance from the broken block, then it will to separate the broken block the inner space of shell divide into two-layer from top to bottom, the inside of shell is equipped with the atomizer unit, the atomizer unit mount then pass on the base and separate the upper end that the broken block is up to the shell, the upper space of shell is used for storing the tobacco tar as the oil storage chamber, the lower floor's space of shell is used for storing as the leak protection chamber the unexpected tobacco tar and the condensate that permeates of atomizer unit, the lower extreme of shell with the edge junction all around of base adopts ultrasonic bonding seal structure to be used for sealing the lower floor's space of shell.

By adopting the scheme, the upper space and the lower space of the shell are directly separated by the separating block, the upper space is used for storing the tobacco tar, and the lower space is only communicated with the atomizer unit and used for storing the permeated tobacco tar and the condensate, so that the layout of the atomizer structure is optimized, and the atomizer structure is more compact. Based on the optimization, the sealing performance of the lower layer space is improved desirably; the downside of shell and the upside of base can realize sealed through ultrasonic bonding all around this moment, not only can increase the leakproofness, has simplified seal structure moreover, reduces the space that occupies the leakage-proof chamber.

As an improvement of the scheme, the edge of the base or the edge of the shell is arranged into a step structure, the edges of the base and the shell are nested inside and outside, and the edge of the base is further provided with at least one circle of grooves for receiving part of the edge of the shell dissolved by ultrasonic welding. Adopt above-mentioned scheme, the shell can suitably generate heat and soften or melt, and the groove can accomodate the shell and soften or the part that melts, and the guide shell further accurately imbeds the base, increases the area of contact of shell and base simultaneously, improves joint strength between them.

As an improvement of the above scheme, the centre of base sets up the first round platform of uplift, the centre of first round platform sets up the first perforation of lining up base itself, first perforation is used for accomodating the lead wire of atomizer unit, the base sets up two second round platforms respectively, two in the left and right sides position of first round platform the centre of second round platform all sets up the second perforation of lining up base itself, the second perforation is used for accomodating the electrode nail, at this moment first round platform and two the second round platform occupies the part the space in leak protection chamber, two clearance between the second round platform is used for the centre gripping the atomizer unit, the atomizer unit is not exposed by the part of second round platform centre gripping the leak protection chamber. Adopt above-mentioned scheme, first round platform mainly plays the effect of bearing atomizer unit, and two second round platforms play further centre gripping atomizing unit jointly and accomodate the effect of electrode nail respectively for the base possesses basic bearing function.

As an improvement of the above scheme, the portions of the two second round tables for clamping the atomizer units are C-shaped arc surfaces. By adopting the scheme, the two C-shaped cambered surface structures are suitable for the cylindrical atomizer unit. The two C-shaped cambered surfaces are opposite to each other but are not in contact with each other, and the position where the two C-shaped cambered surfaces are not in contact with each other is the position where the atomizer unit is communicated with the leakage-proof cavity.

In other schemes, a second circular table is arranged, a circular sinking groove is formed in the inner side of the second circular table, and the second circular table and the first circular table (the first circular table is positioned in the sinking groove) are coaxial from outside to inside. The inner wall of the second round platform surrounds and clamps the bottom of the atomizer unit, and the side wall of the second round platform is appropriately provided with a notch, so that the atomizer unit can be communicated with the leakage-proof cavity.

As an improvement of the scheme, the isolating block is made of elastic materials, and the isolating block and the shell are in interference fit. By adopting the scheme, the partition block can be embedded into the shell after being elastically deformed, so that interference fit is realized.

In other schemes, the partition block is made of a material with higher hardness, the inner side of the shell can be set to be a slope, and correspondingly, the outer side of the partition block is also set to be a slope. The spacing block can be tightly embedded into the shell after the two exert pressure.

As an improvement of the scheme, the base is provided with a plurality of clamping plates, a gap exists between the clamping plates and the shell, and the lower side of the partition block is provided with a raised edge and is inserted between the clamping plates and the shell. By adopting the scheme, the partition block is connected with the base besides being connected with the shell, for example, the raised position of the partition block is contacted with the base to play a supporting role, so that the partition block is prevented from collapsing, and the three are mutually matched to form a firm whole.

In other schemes, after the connection stability of the partition block and the shell is ensured, the partition block also can not be connected with the base.

As the improvement of the scheme, the outer side of the partition block is provided with a plurality of circles of anti-skid convex strips, and the inner wall of the shell is provided with a plurality of circles of grooves for accommodating the anti-skid convex strips. By adopting the scheme, the partition block and the shell are in similar joggle joint and are mutually meshed, so that the connection strength is further improved.

As an improvement of the scheme, the upper side of the partition block is a plane, a plurality of third raised circular truncated cones are arranged on the lower side of the partition block, and the first circular truncated cones, the second circular truncated cones and the third circular truncated cones limit the leakage-proof cavity into a cavity with a bend. By adopting the scheme, the upper space has no dead angle, so that oil can conveniently flow; the lower layer space is provided with more bends to properly block the flow of the condensate, so as to prevent the tobacco tar and the condensate permeating from returning to the atomizer unit after different holding postures are adopted.

As an improvement of the above scheme, the atomizer unit comprises an air pipe, an outer cotton package, a support, an inner cotton package and a heating pipe which are wrapped layer by layer from outside to inside, the atomizer unit further comprises an insulating plug, the insulating plug is arranged at the bottom of the air pipe, and a lead of the heating pipe penetrates through the insulating plug and extends to the base.

In order to achieve the above object, the utility model also provides an aerosol generating device, including above-mentioned airtight atomizer structure, still including the host computer and the power that are used for connecting, drive airtight atomizer structure.

The utility model discloses following beneficial effect has: optimize the atomizer structure, make the structure compacter, adopt integrative encapsulation of ultrasonic bonding simultaneously, will be used for guiding to store unexpected infiltration tobacco tar and condensate and seal completely, tobacco tar and condensate can not permeate the external world again completely. In the life of atomizer structure, can rationally set up the leak protection chamber size, tobacco tar and condensate can not be full of the leak protection chamber.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of a lower atomizer structure;

FIG. 2 is a perspective view of a base of an embodiment;

FIG. 3 is an external view of the structure of an atomizer according to an embodiment;

FIG. 4 is an exploded view of an embodiment of a atomizer configuration;

FIG. 5 is a cross-sectional view of an embodiment of an atomizer unit.

Description of reference numerals: 10. a housing; 20. a suction nozzle; 30. a blocking block; 31. a third round table; 40. a base; 41. a first circular table; 42. a second circular table; 43. a splint; 44. an electrode nail; 50. an atomizer unit; 51. an air tube; 52. wrapping cotton; 53. a support; 54. wrapping cotton; 55. a heat generating tube; 56. and an insulating plug.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Referring to fig. 1 to 5, the utility model discloses an airtight atomizer structure and aerosol generate device, the innovation point lies in optimizing the atomizer structure and makes the structure compacter, uses full seal structure to prevent tobacco tar and condensate seepage to the external world, takes one of them aerosol to generate device-electron cigarette as the example in this embodiment, and the electron cigarette includes above-mentioned airtight atomizer structure, still includes host computer and the power that is used for connecting, drives airtight atomizer structure.

A closed atomizer structure has a housing 10, and with particular reference to fig. 3, the housing 10 is of a flat configuration with rounded edges. The underside of the housing 10 has a distinct step boundary where a subsequent host structure is inserted, the step boundary being contoured to also align the housing 10 with the receiving cavity of the host after insertion.

Referring to fig. 1 in particular, a suction nozzle 20 is disposed at an upper end of the housing 10, a base 40 is disposed at a lower end of the housing 10, a partition block 30 is disposed inside the housing 10, the partition block 30 divides an inner space of the housing 10 into an upper layer and a lower layer, an atomizer unit 50 is disposed inside the housing 10, and the atomizer unit 50 is mounted on the base 40 and then passes through the partition block 30 to reach the upper end of the housing 10. The block 30 also serves to assist in supporting the atomizer unit 50 when the atomizer unit 50 passes through the block 30. At this moment the upper space of shell 10 is used for storing the tobacco tar as the oil storage chamber, the lower floor space of shell 10 is used for storing as the leak protection chamber the unexpected tobacco tar and the condensate of permeating of atomizer unit 50 ensure that the lower part of atomizer unit 50 exposes in the leak protection intracavity when atomizer unit 50 is born in the installation of base 40, the lower extreme of shell 10 with the edge junction around base 40 adopts ultrasonic welding seal structure to be used for sealing the lower floor space of shell 10.

The suction nozzle 20 is detachably connected with the housing 10, and a through hole is formed in the middle of the suction nozzle 20. The airflow enters the base 40, passes through the atomizer unit 50, entrains the atomized tobacco tar, and exits the nozzle 20. The side of the atomizer unit 50 is provided with at least one liquid inlet which is positioned in the oil storage cavity, and the inside of the atomizer unit 50 plays a role in heating. The periphery of the partition block 30 is attached to the inner wall of the housing 10, and the side surface of the base 40 is flush with the side surface of the housing 10.

The partition block 30 directly partitions the upper space and the lower space of the shell 10, the upper space is used for storing the tobacco tar, and the lower space is communicated with the atomizer unit 50 and used for storing the permeated tobacco tar and the condensate, so that the layout of the atomizer structure is optimized, and the atomizer structure is more compact. Based on the optimization, the sealing performance of the lower layer space is improved desirably; at this time, the periphery of the lower side of the housing 10 and the periphery of the upper side of the base 40 can be sealed by ultrasonic welding, so that not only can the sealing performance be increased, but also the sealing structure is simplified, and the space occupying the leakage-proof cavity is reduced.

Referring specifically to fig. 1 and 2, the base 40 is first described. The edge of the base 40 or the edge of the housing 10 is arranged in a stepped structure, and the edges of the base 40 and the housing 10 are nested in and out. In this embodiment, the lower side of the housing 10 is provided with a ridge at an inner position, and the upper side of the base 40 is provided with a ridge at an outer position, which corresponds to the upper side of the base 40 wrapping the lower side of the housing 10. The edge of the base 40 is further provided with at least one circle of grooves for receiving a part of the edge of the shell 10 dissolved by ultrasonic welding. In the embodiment, the grooves are arranged in a circle around the circumference of the base 40, and the cross section of each groove is triangular; the width of the lower protrusion of the case 10 is equal to the width of the groove, and the lower protrusion of the case 10 is deformed into a triangular structure when the case 10 is heated by ultrasonic welding. The groove guides the housing 10 to be further accurately embedded into the base 40, and simultaneously increases the contact area between the housing 10 and the base 40, and improves the connection strength between the housing 10 and the base 40.

The middle of the base 40 is provided with a first raised circular truncated cone 41, the middle of the first circular truncated cone 41 is provided with a first through hole penetrating through the base 40, and the first through hole is used for accommodating a lead of the atomizer unit 50. In this embodiment, the outer side of the first circular truncated cone 41 has a stepped shaft shape, and the outer side has a ring of shaft shoulders, and correspondingly, the inner side of the first circular truncated cone 41 has a stepped hole shape, and the inner side has a ring of hole shoulders. The base 40 sets up two second round platforms 42 respectively in the left and right sides position of first round platform 41, two the centre of second round platform 42 all sets up the second perforation that link up base 40 itself, the second perforation is used for accomodating electrode nail 44. At this time, the first round table 41 and the two second round tables 42 occupy a part of the space of the leakage-proof cavity, a position between the two second round tables 42 is used for clamping the atomizer unit 50, and a part of the atomizer unit 50 which is not clamped by the second round tables 42 is exposed to the leakage-proof cavity. In this embodiment, the second circular truncated cone 42 is divided into an upper layer and a lower layer, the second through hole of the lower layer is specially used for accommodating the electrode pin 44, and the portion of the upper layer is a C-shaped arc surface and is specially used for clamping the side surface of the atomizer unit 50. Two C-arcs are suitable for the cylindrical atomizer unit 50. The two C-shaped arc surfaces are opposite to each other but do not contact each other, and the position where the two do not contact each other is the position where the atomizer unit 50 communicates with the leakage preventing chamber.

Preferably, the first round table 41 and the second round table 42 are both part of the base 40, and the base 40 itself is PCTG, which facilitates the direct injection molding of the die to form the base 40, the first round table 41 and the second round table 42.

The circular truncated cone is not a structure with strict mathematical meaning, and belongs to a structure formed by further simply arranging chamfers, vertical surfaces, notches and the like on the basis of the structure.

The spacer block 30 is said. The partition block 30 is made of elastic materials, the side surface of the partition block 30 is attached to the inner wall of the shell 10, and the partition block 30 is in interference fit with the shell 10; by adopting the scheme, the partition block 30 can be embedded into the shell 10 after being elastically deformed, so that interference fit is realized. The middle perforated position of the partition block 30 is also fully attached to the side surface of the atomizer unit 50, and the two are in interference fit to prevent liquid leakage. In this embodiment, the partition block 30 is made of a silica gel material.

Preferably, the base 40 is provided with a plurality of clamping plates 43, a gap is formed between the clamping plates 43 and the housing 10, and the lower side of the block 30 is provided with a raised edge and is inserted between the clamping plates 43 and the housing 10. By adopting the scheme, the partition block 30 is connected with the base 40 besides being connected with the shell 10, for example, the raised position of the partition block 30 is contacted with the base 40 to play a supporting role, so that the partition block 30 is prevented from collapsing, and the three parts are mutually matched to form a firm whole. In fig. 2, it can be seen that there is a clamping plate 43 on both left and right sides of the base 40, and although the underside of the partition block 30 is raised by one turn, the two clamping plates 43 are mainly used for clamping both left and right sides of the partition block 30, and both clamping plates 43 are arc-shaped sheets; in other embodiments, several additional clamping plates 43 may be provided, and even a plurality of clamping plates 43 may be formed into a circle and then clamp the periphery of the partition block 30 completely.

Preferably, the outer side of the partition block 30 is provided with a plurality of rings of anti-slip ribs, and the inner wall of the housing 10 is provided with a plurality of rings of grooves for receiving the anti-slip ribs. By adopting the scheme, the partition block 30 and the shell 10 are in similar joggle joint and are mutually occluded, so that the connection strength is further improved. In this embodiment, the cross sections of the upper and lower two rings of anti-slip raised lines are semicircular, and correspondingly, the cross section of the groove is a sunken semicircular shape. The partition block 30 is also connected with the clamping plate 43, a plurality of circles of anti-skid convex strips are arranged on the inner side of the partition block 30, and grooves are correspondingly arranged on the outer side of the clamping plate 43.

Preferably, the upper side of the blocking block 30 is a plane, and a plurality of third round tables 31 are arranged on the lower side of the blocking block 30, and at this time, the first round table 41, the second round table 42 and the third round tables 31 limit the leakage-proof cavity into a cavity with a bend. By adopting the scheme, the upper space has no dead angle, so that oil can conveniently flow; the lower space has a large number of bends to properly block the flow of condensate, thereby preventing the smoke and condensate that permeate after adopting different holding postures from being returned to the atomizer unit 50. In this embodiment, the upper end of the second truncated cone 42 on the base 40 supports the blocking block 30 to prevent it from sinking.

With particular reference to fig. 4 and 5, the atomizer unit 50 includes an air tube 51, an outer cotton 52, a bracket 53, an inner cotton 54 and a heating tube 55, which are wrapped from outside to inside, the atomizer unit 50 further includes an insulating plug 56, the insulating plug 56 is disposed at the bottom of the air tube 51, a through hole is formed in the middle of the insulating plug 56, leads of the heating tube 55 extend to the base 40 through the insulating plug 56, and the two leads are separated by the insulating plug 56 and cannot be close to each other, so that short circuit does not occur. In fig. 1 it can be seen that the insulating plug 56 and the bottom of the gas tube 51 are clamped by the first truncated cone 41 and the second truncated cone 42.

In this embodiment, the air tube 51 and the bracket 53 are both made of brass, and the heating tube 55 is made of nickel chromium.

The upper end of trachea 51 is the step shaft molding, shell 10 connects the position of trachea 51 and sets up a bellied ring structure, link up from top to bottom as the partly of exhaust port correspondingly ring structure, shell 10 is surrounding through ring structure trachea 51's step shaft makes things convenient for trachea 51 to align the exhaust port of shell 10 so.

The inner package cotton 54 is made of seaweed cotton and flax cotton, the seaweed cotton is fiber cotton which is made by taking alginic acid extracted from some brown algae plants in the sea as raw materials, the seaweed cotton is carbonized of the alginic acid, and the fiber cotton is prepared by crushing the alginic acid into ultrafine particles, then mixing the ultrafine particles with polyester solution or nylon solution and the like, spinning and spinning the ultrafine particles, and then spinning and processing the ultrafine particles, and has good oil conductivity and oil storage property; the flax cotton has the advantages of good hygroscopicity, no static electricity, corrosion resistance, heat resistance, sanitation and the like, and simultaneously the flax cotton also has good oil conductivity, and the atomization effect of the tobacco tar is well improved by combining the two kinds of cotton.

The alginate sponge and the flax cotton in the inner wrapping cotton 54 have two combination modes. One is that the algae cotton and the flax cotton are respectively arranged in a layer in the thickness direction and then are stacked, and the tobacco tar permeates from outside to inside layer by layer; taking two layers as an example, the outer ring is made of seaweed cotton, and the inner ring is made of flax cotton. When the inner wrapping cotton is arranged in a staggered manner, the seaweed cotton and the flax cotton are alternately arranged in the width direction; taking the width of the whole inner package cotton 54 as 2cm, the length as 5cm and the thickness as 2mm as an example, the size of a plurality of pieces of seaweed cotton is 3mmx5cmx2mm, and the size of a corresponding plurality of pieces of flax cotton is 3mmx5cmx2mm, and the two are spliced in a staggered way.

The outer side of the support 53 is in a stepped shaft shape, the inner side of the support 53 is in a stepped hole shape, the outer wide part of the support 53 is located at the bottom, the inner wide part of the support 53 is located at the bottom, the bottom of the outer wrapping cotton 52 is supported by the outer shaft shoulder of the support 53, and the bottom of the inner wrapping cotton 54 is supported by the inner shaft shoulder of the support 53. By adopting the scheme, the support 53 plays a role in supporting, and the outer wrapping cotton 52 and the inner wrapping cotton 54 are prevented from sliding downwards after being used for a long time.

Further, the area of the shoulder of the hole for supporting the inner bag cotton 54 of the bracket 53 is larger than the cross section of the inner bag cotton 54, covers the bottom of the inner bag cotton 54, and contacts the heat pipe 55. By adopting the scheme, the inner side of the bracket 53, the hole shoulder position of the bracket 53 and the outer side of the heating tube 55 jointly define an annular gap with an upward opening, a temporary oil storage hole space is formed based on the gap, and the tobacco tar of the inner packing cotton 54 is temporarily accumulated at the gap after falling along with gravity, so that oil leakage is further reduced. Referring to fig. 5, in this embodiment, the shoulder of the bracket 53 may be only half of the thickness of the inner bag cotton 54, or may support a part of the cross section of the inner bag cotton 54. The heat generating tube 55 is held at this time.

In this embodiment, four through holes are uniformly formed in the side surface of the air tube 51, and two strip-shaped notches are formed in the side surface of the bracket 53 along the axial direction. The tobacco tar in the oil storage chamber enters the outer cotton-covered bag 52 from the four through holes, and then the tobacco tar in the outer cotton-covered bag 52 permeates into the inner cotton-covered bag 54 from the two vertical elongated gaps.

The atomizer assembly steps were as follows: preparing inner cotton package 54, winding the inner cotton package 54 around the heating tube 55, then scattering the two into the bracket 53, and cutting off the excessive cotton sliver. The cotton wrap 52 is prepared, the cotton wrap 52 is wrapped around the outside of the bracket 53, and then the above components are scattered into the air tube 51 and pressed in place. An insulating plug 56 is fitted into the bottom of the assembled atomizing core unit while separating the pins of the heat generating tube 55. The electrode nail 44 is pressed together with the base 40, then the atomizing core unit is pressed on the base 40, and the two pins are respectively welded on the electrode nail 44. The isolation block is sleeved on the atomizing core unit, the assembled structure is placed in an ultrasonic jig, the shell 10 and the base 40 are ultrasonically welded together through an ultrasonic machine, and finally the suction nozzle 20 is sleeved on the shell 10.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (10)

1. A kind of airtight atomizer structure, have outer casings, its characterized in that: the upper end of shell sets up the suction nozzle, the lower extreme of shell sets up the base, the inside of shell sets up and separates the piece, then it will to separate the piece the inner space of shell divide into two-layer from top to bottom, the inside of shell is equipped with the atomizer unit, the atomizer unit is installed then pass on the base and separate the upper end that the piece is up to the shell, the upper space of shell is used for storing the tobacco tar as the oil storage chamber, the lower floor space of shell is used for storing as the leak protection chamber the unexpected infiltration of atomizer unit tobacco tar and condensate, the lower extreme of shell with the edge junction all around of base adopts ultrasonic bonding seal structure to be used for sealing the lower floor space of shell.

2. The hermetically sealed atomizer structure of claim 1 wherein: the edge of the base or the edge of the shell is arranged into a step structure, the edges of the base and the shell are nested inside and outside, and the edge of the base is further provided with at least one circle of groove for receiving part of the edge of the shell dissolved by ultrasonic welding.

3. The hermetically sealed atomizer structure of claim 2 wherein: the middle of base sets up the first round platform of uplift, the middle of first round platform sets up the first perforation of lining up base itself, first perforation is used for accomodating the lead wire of atomizer unit, the base sets up two second round platforms, two respectively in the left and right sides position of first round platform the centre of second round platform all sets up the second perforation of lining up base itself, the second perforation is used for accomodating the electrode nail, at this moment first round platform and two the second round platform occupies the part the space in leak protection chamber, two clearance between the second round platform is used for the centre gripping the atomizer unit, the atomizer unit is not exposed by the part of second round platform centre gripping the leak protection chamber.

4. A closed atomizer structure according to claim 3, wherein: the part of the two second round tables used for clamping the atomizer units is a C-shaped cambered surface.

5. The hermetically sealed atomizer structure of claim 1 wherein: the partition block is made of elastic materials, and interference fit is formed between the partition block and the shell.

6. The hermetically sealed atomizer structure of claim 5 wherein: the base is equipped with a plurality of splint, has the clearance between splint and the shell, the downside that separates the piece sets up the edge of uplift and inserts between splint and the shell.

7. The hermetically sealed atomizer structure of claim 6 wherein: the outside of separating the piece is equipped with a plurality of rings of anti-skidding sand grip, the inner wall of shell is equipped with a plurality of rings and accomodates the slot of anti-skidding sand grip.

8. The hermetically sealed atomizer structure of claim 7 wherein: the upper side of the partition block is a plane, a plurality of raised third round tables are arranged on the lower side of the partition block, and the leakage-proof cavity is limited into a bent cavity by the first round table, the second round table and the third round table.

9. The hermetic atomizer structure according to any one of claims 1 to 8, wherein: the atomizer unit includes from outside to interior trachea, outsourcing cotton, support, the cotton and the heating tube of involution layer upon layer, the atomizer unit still includes insulating stopper, insulating stopper sets up in tracheal bottom, the lead wire of heating tube passes insulating stopper and extends to the base.

10. An aerosol generating device, comprising: comprises a sealed atomizer structure according to any one of claims 1 to 9, and further comprises a main unit for connecting and driving the sealed atomizer structure and a power supply thereof.

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