WO2022057586A1

WO2022057586A1 - Closed atomizer structure and aerosol generating device

Info

Publication number: WO2022057586A1
Application number: PCT/CN2021/114688
Authority: WO
Inventors: 陈强; 赵贯云
Original assignee: 深圳市吉迩科技有限公司
Priority date: 2020-09-15
Filing date: 2021-08-26
Publication date: 2022-03-24
Also published as: CN112155258A

Abstract

The present application relates to the field of aerosols. Specifically disclosed are a closed atomizer structure and an aerosol generating device. A mouthpiece is provided at an upper end of a housing. A base is provided at a lower end of the housing. A partition block is provided in the housing, and divides the inner space of the housing into upper and lower layers. An atomizer unit is provided in the housing. The atomizer unit is mounted on the base, and then passes through the partition block to the upper end of the housing. The upper space of the housing serves as an e-liquid storage cavity for storing e-liquid. The lower space of the housing serves as a leakage prevention cavity for storing e-liquid and condensate accidentally leaked from the atomizer unit. An ultrasonic welding sealing structure is used at a joint between the lower end of the housing and the circumferential edge of the base for sealing the lower space of the housing. The solution is innovative in that the atomizer structure is optimized to make the atomizer structure more compact, and moreover, a fully-sealed structure is used to prevent the e-liquid and the condensate from being leaked to the outside.

Description

A kind of airtight atomizer structure and aerosol generating device

This application claims the priority of the Chinese patent application filed on September 15, 2020 with the application number 202010967421.7 and the title of the invention is "An airtight atomizer structure and aerosol generating device", the entire contents of which are by reference Incorporated in this application.

technical field

The application belongs to the field of aerosols, and in particular relates to a closed atomizer structure and an aerosol generating device.

Background technique

An electronic cigarette is an electronic product that mimics a cigarette and has the same look, smoke, taste and feel as a cigarette. It is a product that allows users to smoke after turning nicotine into steam through atomization and other means; atomization is the process in which the e-liquid inside the electronic cigarette penetrates into the oil-absorbing cotton and heating components, and is heated. In the above-mentioned atomization process, due to the existence of many components and gaps in the structure itself in the prior art, the e-liquid and condensate will flow back due to poor sealing, and even penetrate into the shell of the electronic cigarette, which seriously affects the user's health and safety. Use experience.

In the process of solving the above problems in the prior art, the method of adding a sealing ring is adopted, and the method of blocking is adopted in the gap that may penetrate the smoke oil and condensate. There is still room for improvement in the existing structure.

SUMMARY OF THE INVENTION

The purpose of this application is to provide a closed atomizer structure and an aerosol generating device to solve the problem of e-liquid and condensate penetrating into the outside world.

In order to achieve the above purpose, the present application provides an airtight atomizer structure, comprising a casing, the upper end of the casing is provided with a suction nozzle, the lower end of the casing is provided with a base, the interior of the casing is provided with a partition block, and then the partition The block divides the inner space of the outer shell into two layers, the upper and lower layers, the inside of the outer shell is provided with an atomizer unit, the atomizer unit is installed on the base and then passes through the partition block to the upper end of the outer shell, the The upper space of the casing serves as an oil storage chamber for storing e-liquid, and the lower space of the casing acts as a leak-proof cavity for storing the e-liquid and condensate accidentally penetrated by the atomizer unit. The connection of the surrounding edges of the base adopts an ultrasonic welding sealing structure to close the lower space of the shell.

With the above solution, the partition block directly separates the upper and lower spaces of the housing, the upper space is used to store e-liquid, and the lower space is only connected to the atomizer unit, which is used to store the permeated e-liquid and condensate, and the layout of the atomizer structure is optimized. , making the atomizer structure more compact. Based on the above optimization, it is necessary to improve the tightness of the lower space; at this time, the surrounding of the lower side of the casing and the surrounding of the upper side of the base can be sealed by ultrasonic welding, which not only increases the sealing performance, but also simplifies the sealing structure and reduces the occupation of the leak-proof cavity. Space.

As an improvement of the above solution, the edge of the base or the edge of the outer shell is arranged in a stepped structure, the edge of the base and the outer shell are nested inside and outside, and the edge of the base is further provided with at least one ring of grooves for receiving Part of the edge of the shell after being dissolved by ultrasonic welding. With the above solution, the shell will be heated and softened or melted properly, and the groove can accommodate the softened or melted part of the shell, guide the shell to be further accurately embedded in the base, and at the same time increase the contact area between the shell and the base, and improve the connection strength between the two.

As an improvement of the above solution, a raised first circular platform is arranged in the middle of the base, and a first perforation penetrating through the base itself is arranged in the middle of the first circular platform. The base is provided with two second circular platforms on the left and right sides of the first circular platform respectively, and the middle of the two second circular platforms is provided with a second perforation penetrating through the base itself, and the second perforation is used for receiving electrode nails. When the first circular platform and the two second circular platforms occupy part of the space of the leak-proof cavity, the gap between the two second circular platforms is used to clamp the atomizer unit, and the atomization The part of the device unit that is not clamped by the second circular frustum is exposed to the leak-proof cavity. With the above solution, the first circular platform mainly plays the role of supporting the atomizer unit, and the two second circular platforms play the role of further clamping the atomizing unit and respectively accommodating the electrode nails, so that the base has a basic bearing function.

As an improvement of the above solution, the parts of the two second circular platforms for holding the atomizer unit are C-shaped arc surfaces. With the above solution, the two C-shaped arc structures are suitable for the cylindrical atomizer unit. The two C-shaped arc surfaces are opposite to each other but not in contact with each other, and the position where the two are not in contact is the position where the atomizer unit communicates with the leak-proof cavity.

In other solutions, a second circular trough is provided, and the inner side of the second circular trough has a circular sink. At this time, from the outside to the inside, the second truncated truncated and the first truncated trough (the first circular trough is located in the sink), the two coaxial. The inner wall of the second round table surrounds and holds the bottom of the atomizer unit, and the side wall of the second round table is appropriately provided with notches so that the atomizer unit can communicate with the leak-proof cavity.

As an improvement of the above solution, the blocking block is made of elastic material, and the blocking block and the outer shell are in an interference fit. By adopting the above solution, the partition block can be embedded into the casing after elastic deformation, so as to realize the interference fit.

In other solutions, the partition block is made of a material with greater hardness. At this time, the inner side of the shell can be set as a slope, and the outer side of the partition block can also be set as a slope accordingly. The blocking block can also be tightly embedded in the shell after the two exert pressure.

As an improvement of the above solution, the base is provided with several clamping plates, there is a gap between the clamping plates and the shell, and the lower side of the blocking block is provided with a raised edge and is inserted between the clamping plate and the outer shell. With the above solution, the partition block is not only connected to the shell, but also connected to the base. For example, the raised position of the partition block can also play a supporting role when it touches the base to prevent the partition block from collapsing. In this way, the three cooperate with each other to form a solid Overall.

In other solutions, after ensuring the stability of the connection between the partition block and the housing, the partition block may not be connected to the base.

As an improvement of the above solution, the outer side of the partition block is provided with several circles of anti-skid protruding strips, and the inner wall of the housing is provided with several circles of grooves for accommodating the anti-slip protruding strips. With the above solution, the partition block and the shell are similar to tenon joints, and the two are engaged with each other, which further improves the connection strength.

As an improvement of the above solution, the upper side of the partition block is a plane, and the lower side of the partition block is provided with a plurality of raised third circular troughs. At this time, the first circular truncated, second circular truncated and third circular truncated Defined as having a curved cavity. With the above solution, there is no dead angle in the upper space, which is convenient for the flow of oil; the lower space has more bends, which can properly block the flow of condensate, so as to avoid the e-liquid and condensate that seep out after different holding positions are folded back to Atomizer unit.

As an improvement of the above solution, the atomizer unit includes a trachea, an outer cotton, a bracket, an inner cotton and a heating pipe that are wrapped from the outside to the inner layer, and the atomizer unit also includes an insulating plug, and the insulating plug is provided with At the bottom of the trachea, the lead wire of the heating tube extends through the insulating plug to the base.

The present application also provides an aerosol generating device, including a closed atomizer structure, a host for connecting and driving the closed atomizer structure, and a power supply thereof; the closed atomizer structure has a casing, and the casing is A suction nozzle is arranged at the upper end, a base is arranged at the lower end of the outer casing, a partition block is arranged inside the outer casing, and then the partition block divides the inner space of the outer casing into upper and lower layers, and an atomizer is arranged inside the outer casing The atomizer unit is installed on the base and then passes through the partition block to the upper end of the casing. The upper space of the casing is used as an oil storage chamber for storing e-liquid, and the lower space of the casing is used as a leak-proof chamber For storing the smoke oil and condensate accidentally penetrated by the atomizer unit, the connection between the lower end of the casing and the peripheral edge of the base adopts an ultrasonic welding sealing structure to close the lower space of the casing.

As an improvement of the above solution, the edge of the base or the edge of the outer shell is arranged in a stepped structure, the edge of the base and the outer shell are nested inside and outside, and the edge of the base is further provided with at least one ring of grooves for receiving Part of the edge of the shell after being dissolved by ultrasonic welding.

As an improvement of the above solution, a raised first circular platform is arranged in the middle of the base, and a first perforation penetrating through the base itself is arranged in the middle of the first circular platform. The base is provided with two second circular platforms on the left and right sides of the first circular platform respectively, and the middle of the two second circular platforms is provided with a second perforation penetrating through the base itself, and the second perforation is used for receiving electrode nails. When the first circular platform and the two second circular platforms occupy part of the space of the leak-proof cavity, the gap between the two second circular platforms is used to clamp the atomizer unit, and the atomization The part of the device unit that is not clamped by the second circular frustum is exposed to the leak-proof cavity.

As an improvement of the above solution, the parts of the two second circular platforms for holding the atomizer unit are C-shaped arc surfaces.

As an improvement of the above solution, the blocking block is made of elastic material, and the blocking block and the outer shell are in an interference fit.

As an improvement of the above solution, the base is provided with a plurality of clamping plates, there is a gap between the clamping plates and the shell, and a raised edge is provided on the lower side of the blocking block and is inserted between the clamping plates and the outer shell.

As an improvement of the above solution, the outer side of the partition block is provided with several circles of anti-skid protruding strips, and the inner wall of the housing is provided with several circles of grooves for accommodating the anti-slip protruding strips.

As an improvement of the above solution, the upper side of the partition block is a plane, and the lower side of the partition block is provided with a plurality of raised third circular truncated, at this time the first circular truncated, the second circular truncated and the third circular truncated The leak-proof cavity is defined as having a kinked cavity.

In order to achieve the above purpose, the present application also provides an aerosol generating device, which includes the above airtight atomizer structure, and also includes a host and its power source for connecting and driving the airtight atomizer structure.

The present application has the following beneficial effects: the structure of the atomizer is optimized to make the structure more compact, and at the same time, ultrasonic welding is adopted for integrated packaging, and the e-liquid and condensate used for guiding storage accidental penetration are completely sealed, and the e-liquid and condensate will not penetrate at all. to the outside world. During the service life of the atomizer structure, the size of the leak-proof cavity can be reasonably set, and the e-liquid and condensate will not fill the leak-proof cavity.

Description of drawings

1 is a cross-sectional view of an atomizer structure under an embodiment;

Figure 2 is a perspective view of a base under an embodiment;

Fig. 3 is the appearance diagram of the atomizer structure under a kind of embodiment;

Fig. 4 is the exploded view of atomizer structure under a kind of embodiment;

Figure 5 is a cross-sectional view of an atomizer unit under one embodiment.

Description of reference numerals: 10, shell; 20, suction nozzle; 30, partition block; 31, third circular platform; 40, base; 41, first circular platform; 42, second circular platform; 43, splint; 44, electrode nail; 50, atomizer unit; 51, trachea; 52, outer cotton; 53, bracket; 54, inner cotton; 55, heating pipe; 56, insulating plug.

detailed description

The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present application is not limited by the specific embodiments.

1 to 5 , the present application discloses a closed atomizer structure and an aerosol generating device. The innovation lies in optimizing the structure of the atomizer to make the structure more compact, and using a fully sealed structure to prevent the leakage of e-liquid and condensate. Outside, in this embodiment, one of the aerosol generating devices, an electronic cigarette, is used as an example. The electronic cigarette includes the above-mentioned closed atomizer structure, and also includes a host and its power source for connecting and driving the closed atomizer structure.

An airtight atomizer structure has a casing 10, specifically referring to FIG. 3, the casing 10 is a flat structure with an arc transition at the edge. The lower side of the casing 10 has an obvious step boundary, which is used for inserting the subsequent host structure. The stepped boundary is provided with undulations, which is also to allow the casing 10 to be aligned with the storage cavity of the host after being inserted.

Referring specifically to FIG. 1 , the upper end of the casing 10 is provided with a suction nozzle 20 , the lower end of the casing 10 is provided with a base 40 , and a partition block 30 is arranged inside the casing 10 , and then the partition block 30 separates the interior of the casing 10 . The space is divided into upper and lower layers, and an atomizer unit 50 is arranged inside the casing 10 . When the atomizer unit 50 passes through the blocking block 30 , the blocking block 30 also plays a role of supporting the atomizer unit 50 . At this time, the upper space of the housing 10 is used as an oil storage chamber for storing e-liquid, and the lower space of the housing 10 is used as a leak-proof chamber for storing e-liquid and condensate accidentally penetrated by the atomizer unit 50 . 40 When installing and carrying the atomizer unit 50, ensure that the lower part of the atomizer unit 50 is exposed in the leak-proof cavity, and the connection between the lower end of the housing 10 and the peripheral edge of the base 40 adopts an ultrasonic welding sealing structure for sealing the entire area. The lower space of the casing 10 is described.

The suction nozzle 20 and the casing 10 are detachably connected, and a through hole is formed in the middle of the suction nozzle 20 . At this time, the airflow enters from the middle of the base 40 , passes through the atomizer unit 50 and takes away the atomized e-liquid, and finally flows out from the middle of the suction nozzle 20 . The side surface of the atomizer unit 50 is provided with at least one liquid inlet, and the liquid inlet is located in the oil storage cavity, and the inside of the atomizer unit 50 plays a role of heating. The periphery of the partition block 30 is in contact with 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 separates the upper and lower spaces of the housing 10, the upper space is used to store e-liquid, and the lower space is communicated with the atomizer unit 50 for storing the permeated e-liquid and condensate, which optimizes the layout of the atomizer structure, Make the atomizer structure more compact. Based on the above optimization, it is necessary to improve the tightness of the lower space; at this time, the surrounding of the lower side of the housing 10 and the surrounding of the upper side of the base 40 can be sealed by ultrasonic welding, which not only increases the sealing performance, but also simplifies the sealing structure and reduces the occupation and prevention. Leaky cavity space.

1 and 2 , the base 40 will be described first. The edge of the base 40 or the edge of the casing 10 is arranged in a stepped structure, and the base 40 and the edge of the casing 10 are nested inside and outside. In this embodiment, the lower side of the casing 10 is provided with a bulge at the inner position, and the upper side of the base 40 is provided with a bulge at the outer position, which is equivalent to the upper side of the base 40 wrapping the lower side of the casing 10. The edge of the base 40 is further provided with at least one groove for receiving part of the edge of the casing 10 after being dissolved by ultrasonic welding. In this embodiment, the groove is arranged around the circumference of the base 40, and the cross section is triangular; the width of the bulge on the lower side of the casing 10 is equal to the width of the groove. When the casing 10 is heated by ultrasonic welding, the lower side of the casing 10 The bulge deforms into a triangular structure. The groove guides the casing 10 to be further accurately embedded in the base 40 , and at the same time increases the contact area between the casing 10 and the base 40 , and improves the connection strength of the two.

The middle of the base 40 is provided with a raised first circular platform 41 , and the middle of the first circular platform 41 is provided with a first through hole penetrating through the base 40 itself. In this embodiment, the outer side of the first circular table 41 is in the shape of a stepped shaft, and the outer side has a circle of shoulders. Correspondingly, the inner side of the first circular table 41 is in the shape of a stepped hole, and the inner side has a circle of shoulders. The base 40 is provided with two second circular platforms 42 on the left and right sides of the first circular platform 41 respectively, and the middle of the two second circular platforms 42 is provided with a second perforation penetrating through the base 40 itself. to accommodate the electrode pins 44 . At this time, the first round table 41 and the two second round tables 42 occupy part of the space of the leak-proof cavity, and the position between the two second round tables 42 is used to hold the atomizer unit 50 , the part of the atomizer unit 50 that is not clamped by the second round table 42 is exposed to the leak-proof cavity. In this embodiment, the second round table 42 is divided into upper and lower layers, the second through holes in the lower layer are specially used for receiving the electrode pins 44 , and the upper layer is a C-shaped arc surface, which is specially used for clamping the side surface of the atomizer unit 50 . Two C-shaped arc structures are suitable for the cylindrical atomizer unit 50 . The two C-shaped arc surfaces are opposite to each other but not in contact with each other, and the position where the two are not in contact is the position where the atomizer unit 50 communicates with the leak-proof cavity.

Preferably, the first round table 41 and the second round table 42 are both part of the base 40, and the base 40 itself adopts PCTG, which is convenient for the mold to directly injection mold the base 40, the first round table 41 and the second round table 42.

The circular truncated cone here is not a structure in the strict sense of mathematics, but is a structure after further simple modeling of chamfers, vertical surfaces, and notches on the basis of the above.

Speaking of block 30. The partition block 30 is made of elastic material, the side surface of the partition block 30 is attached to the inner wall of the housing 10, and the partition block 30 and the housing 10 are in an interference fit; using the above solution, the partition block 30 can be elastically deformed It is then embedded into the housing 10 to achieve an interference fit. The middle perforation position of the partition block 30 is also fully fitted to the side surface of the atomizer unit 50, and there is an interference fit between the two to prevent liquid leakage. In this embodiment, the partition block 30 is made of silicone material.

Preferably, the base 40 is provided with a plurality of clamping plates 43 , there is a gap between the clamping plates 43 and the housing 10 , the lower side of the blocking block 30 is provided with a raised edge and inserted between the clamping plates 43 and the outer casing 10 . With the above solution, the partition block 30 is not only connected with the housing 10, but also connected with the base 40. For example, when the raised position of the partition block 30 contacts the base 40, it can also play a supporting role and prevent the partition block 30 from collapsing. They cooperate with each other to form a solid whole. In FIG. 2, it can be seen that there is a splint 43 on the left and right sides of the base 40. Although the lower side of the partition block 30 has a circle, the two splints 43 are mainly used to clamp the left and right sides of the partition block 30. The splints 43 are all arc-shaped pieces; in other embodiments, several splints 43 may be additionally provided, or even a plurality of splints 43 together form a circle and then fully clamp the periphery of the partition block 30 .

Preferably, the outer side of the partition block 30 is provided with several circles of anti-slip protruding strips, and the inner wall of the housing 10 is provided with several circles of grooves for receiving the anti-slip protruding strips. With the above solution, the blocking block 30 and the housing 10 are similar to tenon joints, and the two are engaged with each other, which further improves the connection strength. In this embodiment, the cross-sections of the upper and lower anti-skid protruding strips are semicircular, and correspondingly, the cross-sections of the grooves are concave semicircles. The partition block 30 is also connected with the clamping plate 43 . At this time, the inner side of the partition block 30 is provided with several anti-skid protruding strips, and the outer side of the clamping plate 43 is correspondingly provided with grooves.

Preferably, the upper side of the partition block 30 is flat, and the lower side of the partition block 30 is provided with a plurality of raised third circular platforms 31. At this time, the first circular platform 41, the second circular platform 42 and the third circular platform 31 will The leak-proof cavity is defined as having a bent cavity. With the above solution, there is no dead angle in the upper space, which is convenient for the flow of oil; the lower space has more bends, which can properly block the flow of condensate, so as to avoid the e-liquid and condensate that seep out after different holding positions are folded back to Atomizer unit 50. In this embodiment, the upper end of the second circular platform 42 on the base 40 supports the partition block 30 to prevent it from sinking.

4 and 5, the atomizer unit 50 includes a trachea 51, an outer cotton 52, a bracket 53, an inner cotton 54 and a heating tube 55, which are wrapped from the outside to the inner layer. The atomizer unit 50 also includes Including an insulating plug 56, the insulating plug 56 is arranged at the bottom of the gas pipe 51, the middle of the insulating plug 56 has a perforation, the lead wire of the heating pipe 55 extends to the base 40 through the insulating plug 56, and the two lead wires are respectively insulated The plugs 56 are inaccessible so there is no short circuit. It can be seen in FIG. 1 that the insulating plug 56 and the bottom of the gas tube 51 are clamped by the first circular truncated 41 and the second circular truncated 42 .

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

The upper end of the air pipe 51 is in the shape of a stepped shaft, and a raised ring structure is provided at the position where the outer casing 10 is connected to the air pipe 51. Correspondingly, the annular ring structure runs up and down as a part of the exhaust port, and the outer casing 10 passes through the annular ring structure. The stepped shaft surrounding the air pipe 51 facilitates the alignment of the air pipe 51 with the exhaust port of the housing 10 .

The composition of the inner cotton 54 is the synthesis of seaweed cotton and linen cotton. Seaweed cotton is a fiber cotton made from alginic acid extracted from some brown algae plants in the ocean. It is a carbonized product of alginic acid. After fine particles, it is then mixed with polyester solution or nylon solution for spinning and processing. It has good oil conductivity and oil storage; flax cotton has good hygroscopicity, no static electricity, corrosion resistance and heat resistance. Hygiene and other advantages, while linen cotton also has good oil conductivity, the combination of the two kinds of cotton can greatly improve the atomization effect of e-liquid.

There are two combinations of seaweed cotton and linen cotton in the inner cotton 54 . One is that the seaweed cotton and the flax cotton are respectively provided with one layer in the thickness direction and then stacked, and the e-liquid infiltrates layer by layer from the outside to the inside at this time; Taking two layers as an example, the outer ring is seaweed cotton, and the inner ring is linen. cotton. The other is that when the inner wrapping cotton is staggered, the seaweed cotton and the linen cotton are alternately arranged in the width direction; the width of the overall inner wrapping cotton 54 is 2cm, the length is 5cm, and the thickness is 2mm as an example , the size of several pieces of seaweed cotton is 3mmx5cmx2mm, and the size of several pieces of linen cotton is 3mmx5cmx2mm correspondingly, and the two are staggered.

The outer side of the bracket 53 is in the shape of a stepped shaft, the inner side of the bracket 53 is in the shape of a stepped hole, the wider part of the outer side of the bracket 53 is located at the bottom, the wider part of the inner side of the bracket 53 is located at the bottom, and the outer cotton 52 The bottom of the inner cotton 54 is supported by the outer shoulder of the bracket 53 , and the bottom of the inner cotton 54 is supported by the inner shoulder of the bracket 53 . With the above solution, the bracket 53 plays a supporting role to prevent the outer cotton 52 and the inner cotton 54 from sliding down after long-term use.

Further, the area of the hole shoulder of the support 53 supporting the inner cotton 54 is larger than the cross section of the inner cotton 54 , covering the bottom of the inner cotton 54 and touching the heating tube 55 . Using the above solution, the inner side of the bracket 53, the position of the hole shoulder of the bracket 53 and the outer side of the heating pipe 55 jointly define an annular gap with an upward opening, and a temporary oil storage hole space is formed based on the gap, and the inner surface of the cotton 54 is The e-liquid will temporarily accumulate there as the gravity drops, further reducing oil leakage. Referring specifically to FIG. 5 , in this embodiment, the position of the hole shoulder of the bracket 53 may only reach half the thickness of the inner cotton 54 , or may support a partial area of the cross section of the inner cotton 54 . At this time, the heating tube 55 is clamped.

In this embodiment, the side surface of the air pipe 51 is evenly provided with four perforations, and the side surface of the bracket 53 is provided with two elongated notches along the axial direction. The e-liquid in the oil storage chamber enters the outer cotton 52 through the four perforations, and then the e-liquid in the outer cotton 52 penetrates into the inner cotton 54 from the two vertical elongated gaps.

The assembly steps of the atomizer are as follows: prepare the inner cotton 54, wrap the inner cotton 54 around the heating tube 55, and then disperse the two into the bracket 53 as a whole, and cut off the excess cotton sliver. The outer cotton 52 is prepared, the outer cotton 52 is wrapped around the outer side of the stent 53, and then the above components are scattered into the trachea 51 and pressed into place. Insert the insulating plug 56 into the bottom of the assembled atomizing core unit, and separate the pins of the heating tube 55 at the same time. The electrode nails 44 are pressed together with the base 40 , and then the atomizing core unit is pressed onto the base 40 , and the two pins are welded to the electrode nails 44 respectively. Put the spacer block on the atomizing core unit, put the assembled structure into the ultrasonic fixture, the shell 10 and the base 40 are ultrasonically welded together by an ultrasonic machine, and finally put the suction nozzle 20 on the shell 10.

The foregoing descriptions of specific exemplary embodiments of the present application have been presented for purposes of illustration and description. These descriptions are not intended to limit the application to the precise form disclosed, and obviously many changes and variations are possible in light of the above teachings. The exemplary embodiments were chosen and described for the purpose of explaining certain principles of the application and their practical applications, to thereby enable one skilled in the art to make and utilize various exemplary embodiments and various different aspects of the application. Choose and change. The scope of this application is intended to be defined by the claims and their equivalents.

Claims

An airtight atomizer structure includes a casing, the upper end of the casing is provided with a suction nozzle, the lower end of the casing is provided with a base, and a partition block is arranged inside the casing, and then the partition block divides the inner space of the casing into There are two layers up and down, and the inside of the casing is provided with an atomizer unit. The atomizer unit is installed on the base and then passes through the blocking block to the upper end of the casing. The upper space of the casing is used as an oil storage chamber. For storing e-liquid, the lower space of the outer casing is used as a leak-proof cavity to store the e-liquid and condensate accidentally penetrated by the atomizer unit, and the connection between the lower end of the outer casing and the peripheral edge of the base adopts ultrasonic welding The sealing structure is used to close the lower space of the housing.
The airtight atomizer structure according to claim 1, wherein the edge of the base or the edge of the shell is arranged in a stepped structure, the base and the edge of the shell are nested inside and outside, and the edge of the base is further At least one ring of grooves is provided for receiving a part of the edge of the outer shell after being dissolved by ultrasonic welding.
The airtight atomizer structure according to claim 2, wherein a raised first circular platform is arranged in the middle of the base, and a first perforation penetrating through the base itself is arranged in the middle of the first circular platform, and the first through hole is used for The lead wire of the atomizer unit is accommodated, the base is provided with two second circular platforms on the left and right sides of the first circular platform, and the middle of the two second circular platforms is provided with a second perforation penetrating through the base itself. The two perforations are used to accommodate electrode nails. At this time, the first circular table and the two second circular tables occupy part of the space of the leak-proof cavity, and the gap between the two second circular tables is used to hold the The atomizer unit, the part of the atomizer unit that is not clamped by the second circular frustum is exposed to the leak-proof cavity.
The airtight atomizer structure according to claim 3, wherein the parts of the two second circular platforms for holding the atomizer unit are C-shaped arc surfaces.
The airtight atomizer structure according to claim 1, wherein the blocking block is made of elastic material, and an interference fit is formed between the blocking block and the casing.
The airtight atomizer structure according to claim 5, wherein the base is provided with a plurality of clamping plates, there is a gap between the clamping plates and the outer casing, and the lower side of the blocking block is provided with a raised edge and is inserted between the clamping plate and the outer casing .
The airtight atomizer structure according to claim 6, wherein several circles of anti-skid protruding strips are provided on the outer side of the partition block, and several circles of grooves for receiving the anti-slip protruding strips are provided on the inner wall of the housing.
The airtight atomizer structure according to claim 7, wherein the upper side of the partition block is a plane, and the lower side of the partition block is provided with a plurality of raised third circular troughs. The third circular frustum defines the leak-proof cavity as a cavity having a bend.
The airtight atomizer structure according to any one of claims 1 to 8, wherein the atomizer unit comprises a trachea, an outer cotton, a bracket, an inner cotton and a heating pipe wrapped layer by layer from the outside to the inside, and the The atomizer unit further includes an insulating plug, the insulating plug is arranged at the bottom of the gas pipe, and the lead wire of the heating pipe extends through the insulating plug to the base.
An aerosol generating device comprises an airtight atomizer structure, a main engine for connecting and driving the airtight atomizer structure and a power supply thereof; the airtight atomizer structure has a casing, and a suction nozzle is arranged on the upper end of the casing, The lower end of the casing is provided with a base, the interior of the casing is provided with a partition block, and then the partition block divides the inner space of the casing into two layers, an atomizer unit is arranged inside the casing, and the mist The vaporizer unit is installed on the base and then passes through the partition block to the upper end of the casing. For the smoke oil and condensate accidentally penetrated by the atomizer unit, the connection between the lower end of the casing and the peripheral edge of the base adopts an ultrasonic welding sealing structure to close the lower space of the casing.
The aerosol generating device according to claim 10, wherein the edge of the base or the edge of the housing is arranged in a stepped structure, the base and the edge of the housing are nested inside and outside, and the edge of the base is further arranged At least one ring of grooves is used to receive a portion of the edge of the outer shell that has been dissolved by ultrasonic welding.
The aerosol generating device according to claim 11, wherein a raised first circular platform is arranged in the middle of the base, and a first perforation penetrating through the base itself is arranged in the middle of the first circular platform, and the first through hole is used for receiving For the lead wire of the atomizer unit, the base is provided with two second circular platforms on the left and right sides of the first circular platform, and the middle of the two second circular platforms is provided with a second through hole through the base itself. The perforation is used to receive the electrode nails. At this time, the first circular table and the two second circular tables occupy part of the space of the leak-proof cavity, and the gap between the two second circular tables is used to hold the mist The atomizer unit is exposed to the leak-proof cavity at the part of the atomizer unit that is not clamped by the second circular frustum.
The aerosol generating device according to claim 12, wherein the parts of the two second circular platforms for holding the atomizer unit are C-shaped arc surfaces.
The aerosol generating device according to claim 10, wherein the blocking block is made of elastic material, and an interference fit is formed between the blocking block and the housing.
The aerosol generating device according to claim 14, wherein the base is provided with a plurality of clamping plates, and there is a gap between the clamping plates and the housing, and the lower side of the blocking block is provided with a raised edge and is inserted into the between the splint and the shell.
The aerosol generating device according to claim 15, wherein a plurality of anti-skid protruding strips are provided on the outer side of the partition block, and a plurality of grooves are provided on the inner wall of the housing for receiving the anti-slip protruding strips.
The aerosol generating device according to claim 16, wherein the upper side of the partition block is a plane, and the lower side of the partition block is provided with a plurality of raised third circular truncated cones. The second circular truncated and the third circular truncated define the leak-proof cavity as a cavity having a bend.
The aerosol generating device according to any one of claims 10 to 17, wherein the atomizer unit comprises a trachea, an outer cotton, a bracket, an inner cotton and a heating tube wrapped from outside to inside, and the mist The carburetor unit further includes an insulating plug, the insulating plug is arranged at the bottom of the gas pipe, and the lead wire of the heating pipe extends through the insulating plug to the base.