CN220875909U - Shell assembly and aerosol generating device - Google Patents

Abstract

The utility model relates to a shell assembly and an aerosol generating device, which comprises a first sleeve, a second sleeve, a suction nozzle, an elastic top cover and a sealing piece, wherein the second sleeve is detachably arranged in the first sleeve, a first accommodating cavity for accommodating a battery is formed between the first sleeve and the second sleeve, and a second accommodating cavity for accommodating porous liquid suction is formed in the second sleeve; the surface of the elastic top cover facing the first accommodating cavity is provided with an installation groove for placing an airflow sensor, and the surface of the elastic top cover facing away from the first accommodating cavity is provided with a ventilation groove communicated with the smoke outlet; the sealing piece is positioned on one side of the elastic top cover, which is opposite to the first accommodating cavity, and covers the notch of the ventilation groove. The utility model can improve the sensitivity of the airflow sensor, has compact structure, is convenient for assembly and improves the production efficiency.

Description

Shell assembly and aerosol generating device

Technical Field

The present utility model relates to the field of electronic atomization technology, and more particularly, to a housing assembly and an aerosol-generating device.

Background

The aerosol generating device is an electronic product which generates aerosol when in operation for users to inhale, and comprises a shell component, wherein an atomization component, a battery and an airflow sensor are arranged in the shell component. The aerosol generating device detects the sucking action of a user through the airflow sensor so as to control the battery to supply power, and the heating element in the atomizing assembly heats, so that the aerosol generating liquid in the atomizing assembly is atomized to form aerosol.

In the existing aerosol generating device, an airflow sensor and a battery are usually installed at one end of an atomization component, which is far away from a user, the atomization component is located between the user and the airflow sensor, and the battery and the atomization component are coaxially arranged. However, when the aerosol generating device is placed vertically or a user sucks the aerosol generating device, condensate formed by condensation of the aerosol and leaked aerosol generating liquid flow into the airflow sensor more easily, the condensate and the leaked aerosol generating liquid not only can block the airflow sensor, so that the airflow sensor is invalid, but also can not be started, and the service life of the aerosol generating device is short.

Disclosure of utility model

The utility model aims to provide a shell assembly capable of prolonging service life and an aerosol generating device, aiming at the defect of short service life of the conventional aerosol generating device.

In a first aspect, the present utility model provides a casing assembly, including a first sleeve, a second sleeve, a suction nozzle, an elastic top cover and a sealing piece, where the second sleeve is detachably disposed in the first sleeve, a first accommodating cavity for accommodating a battery is formed between the first sleeve and the second sleeve, and a second accommodating cavity for accommodating a porous liquid suction is formed in the second sleeve; the suction nozzle is connected with the first sleeve or/and the second sleeve, and is provided with a smoke outlet;

The elastic top cover is detachably inserted into the suction nozzle and is in sealing connection with one end of the first accommodating cavity and one end of the second accommodating cavity, an installation groove for placing an airflow sensor is formed in the surface of the elastic top cover facing the first accommodating cavity, and a ventilation groove communicated with the smoke outlet is formed in the surface of the elastic top cover facing away from the first accommodating cavity; the sealing piece is positioned on one side of the elastic top cover, which is opposite to the first accommodating cavity, and covers the notch of the ventilation groove.

Preferably, the sealing piece is abutted with the suction nozzle, and the suction nozzle and the elastic top cover jointly clamp the sealing piece.

Preferably, the elastic top cover is provided with a containing groove, and the sealing piece is positioned in the containing groove.

Preferably, the surface of the sealing piece facing away from the first accommodating cavity and the surface of the elastic top cover facing away from the first accommodating cavity are located in the same plane.

Preferably, a liquid storage groove is formed in the surface, facing away from the second accommodating cavity, of the elastic top cover, and the liquid storage groove is communicated with the ventilation groove and the smoke outlet.

Preferably, the reservoir is located between the smoke outlet and the second receiving chamber.

Preferably, the ventilation groove comprises a first ventilation section, a second ventilation section and a ventilation connection section, the first ventilation section is communicated with the installation groove, the second ventilation section is communicated with the liquid storage groove, the first end of the ventilation connection section is communicated with the first ventilation section, the second end of the ventilation connection section is communicated with the second ventilation section, and the extension direction of the ventilation connection section is different from the extension directions of the first ventilation section and the second ventilation section.

Preferably, the bottom wall of the first ventilation section is higher than the bottom wall of the second ventilation section, and a plurality of liquid blocking blocks arranged at intervals are arranged in the first ventilation section or/and the second ventilation section.

Preferably, the shell assembly further comprises a third sleeve and a bottom cover, the first sleeve is located in the third sleeve, a tubular heat insulation gap is formed between the third sleeve and the first sleeve, the suction nozzle cover is arranged at the first end of the third sleeve, the bottom cover is arranged at the second end of the third sleeve, and the first end of the third sleeve and the second end of the third sleeve are arranged in a position opposite to each other.

In a second aspect, the present utility model also discloses an aerosol-generating device, including a housing assembly, a battery and an atomizing assembly, where the battery and the atomizing assembly are both located in the housing assembly, and the battery is electrically connected to the atomizing assembly, and the housing assembly is any one of the housing assemblies described in the first aspect.

The beneficial effects of the utility model are as follows: because the surface of the elastic top cover facing the first accommodating cavity is provided with the mounting groove for placing the airflow sensor, the surface of the elastic top cover facing away from the first accommodating cavity is provided with the ventilation groove communicated with the smoke outlet, and the sealing piece is positioned at one side of the elastic top cover facing away from the first accommodating cavity and covers the notch of the ventilation groove, condensate and leaked aerosol generating liquid are not easy to flow into the airflow sensor, and therefore the service life of the aerosol generating device is prolonged; in addition, seal the ventilation slot through the sealing plate to improve the sensitivity of air current inductor, just the second sleeve pipe can dismantle set up in the first sleeve pipe, therefore when assembling, be convenient for assemble, improved production efficiency, and reduced the manufacturing degree of difficulty.

Drawings

The utility model is described below with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of one embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the utility model shown in FIG. 1;

FIG. 3 is an exploded view of the housing assembly of the present utility model shown in FIG. 1;

FIG. 4 is a perspective view of the flexible top cover of one embodiment of the utility model shown in FIG. 1;

fig. 5 is a perspective view of the resilient top cover of fig. 4 from another perspective.

Reference numerals: 100. a housing assembly; 11. a first sleeve; 111. a first accommodation chamber; 12. a second sleeve; 121. a second accommodation chamber; 13. a suction nozzle; 14. an elastic top cover; 141. a mounting groove; 1411. an air inlet groove; 142. a vent groove; 143. a liquid storage tank; 1431. a connection hole; 144. a first venting section; 145. a second venting section; 146. a ventilation connection section; 147. a liquid blocking block; 148. a receiving groove; 15. a sealing sheet; 16. a third sleeve; 161. a thermal insulation gap; 17. a bottom cover; 200. an aerosol-generating device; 21. a battery; 22. an air flow sensor; 23. a controller; 24. porous liquid absorption; 25. an atomizing assembly; 251. liquid guiding cotton; 252. an electric heating element; 26. the condensate adsorbs the cotton.

Detailed Description

The present utility model will be described in detail below with reference to the drawings and detailed description.

Referring to fig. 1 to 5, in order to solve the problem that condensate and leaked aerosol-generating liquid of the existing aerosol-generating device easily flow into the airflow sensor, and the service life is short, the present utility model provides a housing assembly 100, which includes a first sleeve 11, a second sleeve 12, a suction nozzle 13, an elastic top cover 14, and a sealing plate 15, wherein both ends of the first sleeve 11 are both open structures, and the second sleeve 12 is detachably disposed in the first sleeve 11 and is connected with the first sleeve 11 in an interference fit manner. It will be appreciated that in one embodiment, the first sleeve 11 and the second sleeve 12 are snap-fit. Therefore, the two are only required to be detachably connected, and the structure is not particularly limited herein.

Referring to fig. 2, in a preferred embodiment, the center line of the first sleeve 11 is spaced from the center line of the second sleeve 12, a first receiving cavity 111 for receiving the battery 21 is formed between the first sleeve 11 and the second sleeve 12, and a second receiving cavity 121 for receiving the porous liquid absorbing body 24 is formed in the second sleeve 12. The first accommodating chamber 111 and the second accommodating chamber 121 are arranged in parallel, so that the aerosol generating liquid in the porous liquid absorbing body 24 is not easy to flow into the first accommodating chamber 111, and the problem that in the prior art, when the battery 21 and the electronic components thereof are positioned below the second accommodating chamber 121, the electronic components are easy to fail is solved.

Referring to fig. 2 and 3, in a preferred embodiment, the suction nozzle 13 is provided with a smoke outlet 131, the suction nozzle 13 is connected to the first sleeve 11 and the second sleeve 12, and covers one end of the first sleeve 11 and one end of the second sleeve 12, specifically, one end of the first sleeve 11 is detachably sleeved outside the suction nozzle 13, and one end of the second sleeve 12 is detachably inserted into the suction nozzle 13. Therefore, the first sleeve 11 and the second sleeve 12 are connected more firmly and reliably, and the suction nozzle 13 is not easy to fall off, so that the assembly is convenient. It will be appreciated that in one embodiment, the suction nozzle 13 is connected to the first sleeve 11, and the second sleeve 12 is spaced from the suction nozzle 13, so that the production process can be reduced and the production efficiency can be improved.

Referring to fig. 2, 4 and 5, in a preferred embodiment, the elastic top cover 14 is detachably inserted into the suction nozzle 13 and is sealed with one end of the first accommodating cavity 111 and one end of the second accommodating cavity 121, and the elastic top cover 14 may be a silicone cover, a polyurethane cover, or the like. In this embodiment, it is made of an elastic material, so that not only is assembly convenient, but also sealability is good. The surface of the elastic top cover 14 facing the first accommodating cavity 111 is provided with a mounting groove 141 for placing the airflow sensor 22, a cross air inlet groove 1411 is arranged at the notch of the mounting groove 141, and the air inlet groove 1411 is communicated with the outer surface of the shell assembly 100 through the first accommodating cavity 111. The surface of the elastic top cover 14 facing away from the first accommodating cavity 111 is provided with a ventilation groove 142 communicating with the smoke outlet 131, so that condensate and leaked aerosol-generating fluid are not easy to flow into the mounting groove 141, and the probability of failure of the airflow sensor 22 of the mounting groove 141 due to the influence of the aerosol-generating fluid is reduced.

Referring to fig. 2 and 4, in a preferred embodiment, a liquid storage tank 143 is further disposed on a surface of the elastic top cover 14 facing away from the second accommodating cavity 121, and the liquid storage tank 143 is in communication with the ventilation tank 142 and the smoke outlet 131. Accordingly, condensate within the smoke outlet 131 of the mouthpiece 13 may be stored within the liquid reservoir 143, thereby reducing the probability of the user sucking on condensate. Preferably, the liquid storage groove 143 is located between the smoke outlet 131 and the second accommodating chamber 121. Thus, the condensate is easier to collect. Specifically, the bottom wall of the reservoir 143 is provided with a connection hole 1431 for communicating with the atomizing assembly 25.

In this embodiment, the ventilation slot 142 includes a first ventilation segment 144, a second ventilation segment 145 and a ventilation connection segment 146, where the first ventilation segment 144 is communicated with the mounting slot 141, the second ventilation segment 145 is communicated with the liquid storage slot 143, a first end of the ventilation connection segment 146 is communicated with the first ventilation segment 144, a second end of the ventilation connection segment 146 is communicated with the second ventilation segment 145, and an extension direction of the ventilation connection segment 146 is different from an extension direction of the first ventilation segment 144 and the second ventilation segment 145. Thus, even if condensate is present in the second venting section 145, the condensate is blocked by the venting connection section 146 and does not readily flow into the first venting section 144, thereby better protecting the airflow sensor 22.

Preferably, in order to better prevent condensate from flowing into the area where the airflow sensor 22 is located, the bottom wall of the first ventilation section 144 is higher than the bottom wall of the second ventilation section 145, and a plurality of liquid blocking blocks 147 are disposed in the first ventilation section 144 and the second ventilation section 145 at intervals. It will be appreciated that in one embodiment, a plurality of spaced apart liquid blocking blocks 147 may be provided only within the first venting section 144 or the second venting section 145.

Referring to fig. 2, in a preferred embodiment, the sealing piece 15 is located on a side of the elastic top cover 14 facing away from the first accommodating cavity 111, and covers the notch of the ventilation slot 142 to seal the notch on the side facing away from the first accommodating cavity 111. Therefore, when the user sucks at the suction nozzle 13, the airflow in the area of the mounting groove 141 can quickly flow to the smoke outlet 131, so that the airflow sensor 22 can be triggered quickly, and the sensitivity of the airflow sensor 22 can be improved, and the user experience is improved. In addition, the structure is convenient to manufacture, reduces the manufacturing process and improves the production efficiency.

In order to fix the sealing plate 15 more reliably, the sealing plate 15 is not easily affected by the air flow, the sealing plate 15 is abutted against the suction nozzle 13, and the suction nozzle 13 and the elastic top cover 14 jointly clamp the sealing plate 15. Preferably, the elastic top cover 14 is provided with a receiving groove 148, and the sealing plate 15 is located in the receiving groove 148, so that the assembly is easier during production, the production efficiency is high, the sealing plate 15 can be well positioned, and the reliability is better during use. More preferably, the surface of the sealing piece 15 facing away from the first accommodating cavity 111 is located in the same plane as the surface of the elastic top cover 14 facing away from the first accommodating cavity 111. The sealing piece 15 can better seal the vent groove 142, and the vent groove 142 is prevented from being leaked. In one embodiment, an adhesive layer is disposed between the sealing sheet 15 and the elastic top cover 14, and the sealing sheet 15 is tightly connected with the elastic top cover 14 through the adhesive layer, so as to improve tightness and reliability. It is understood that the adhesive layer may be formed by curing an adhesive glue.

Referring to fig. 2 and 3, in a preferred embodiment, the housing assembly 100 further includes a third sleeve 16 and a bottom cover 17, the first sleeve 11 is disposed in the third sleeve 16, and a tubular heat insulation gap 161 is formed between the third sleeve 16 and the first sleeve 11, so that heat in the housing assembly 100 is not easily and quickly transferred to the user, thereby avoiding the problem of scalding the hand during the sucking process of the user, and improving the user experience. Specifically, the suction nozzle 13 is disposed at a first end of the third sleeve 16, the bottom cover 17 is disposed at a second end of the third sleeve 16, and the first end of the third sleeve 16 is disposed opposite to the second end of the third sleeve 16.

Referring to fig. 1 and 2, the present utility model further discloses an aerosol generating device 200, which includes a housing assembly 100, a battery 21, an airflow sensor 22, a controller 23, a porous liquid absorbing member 24 and an atomizing assembly 25, wherein the battery 21 and the atomizing assembly 25 are both disposed in the housing assembly 100, and the battery 21 is electrically connected to the atomizing assembly 25, and the housing assembly 100 is the housing assembly 100 described above. Specifically, the battery 21 is located in the first accommodating chamber 111, and the air flow sensor 22 is located in the mounting groove 141 and electrically connected to the controller 23.

In a preferred embodiment, the controller 23 is electrically connected to the battery 21 and the atomizing assembly 25, and is configured to control the battery 21 to supply power to the atomizing assembly 25 according to a trigger signal sent by the airflow sensor 22. The porous liquid absorbing body 24 is located in the second receiving chamber 121 for absorbing aerosol-generating liquid. The porous liquid absorbing material 24 may be a material such as natural fiber, artificial fiber, or ceramic, and is not particularly limited as long as it can absorb the aerosol-generating liquid. The aerosol-generating liquid may be prepared from propylene glycol, glycerol, essence, etc. according to a predetermined ratio, and the components of the aerosol-generating liquid are not particularly limited herein, and may be heated and atomized to form aerosol. For example, the aerosol-generating fluid may be a liquid medicine for treating a disease, or the like.

Referring to fig. 2, in a preferred embodiment, the atomizing assembly 25 includes a liquid-guiding cotton 251 and an electric heating element 252, wherein the liquid-guiding cotton 251 is in contact with the porous liquid-absorbing body 24. The electric heating element 252 is in contact with the liquid-guiding cotton 251 and is electrically connected with the battery 21 and the controller 23, so that when the user inhales, the controller 23 controls the battery 21 to supply power to the electric heating element 252, and thus the aerosol generating liquid is atomized to form aerosol. In this embodiment, the liquid storage tank 143 accommodates the condensate adsorbing cotton 26, and thus, the condensate is not easily leaked.

It will be appreciated that since the housing assembly 100 of the aerosol-generating device 200 is identical to the housing assembly 100 described above, the structure thereof is not described herein. The housing assembly 100 of the aerosol-generating device 200 has the same structure as the housing assembly 100 described above, and therefore has the same technical effects.

In summary, since the surface of the elastic top cover 14 facing the first accommodating cavity 111 is provided with the mounting groove 141 for placing the airflow sensor 22, the surface of the elastic top cover 14 facing away from the first accommodating cavity 111 is provided with the ventilation groove 142 communicating with the smoke outlet 131, and the sealing sheet 15 is located at the side of the elastic top cover 14 facing away from the first accommodating cavity 111 and covers the notch of the ventilation groove 142, both condensate and leaked aerosol-generating liquid are not easy to flow into the airflow sensor 22, thereby improving the service life of the aerosol-generating device 200; in addition, the ventilation groove 142 is sealed by the sealing piece 15, so that the sensitivity of the airflow sensor 22 is improved, and the second sleeve 12 is detachably arranged in the first sleeve 11, so that the assembly is convenient, the production efficiency is improved, and the manufacturing difficulty is reduced during the assembly.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (10)

1. The shell assembly is characterized by comprising a first sleeve, a second sleeve, a suction nozzle, an elastic top cover and a sealing piece, wherein the second sleeve is detachably arranged in the first sleeve, a first containing cavity for containing a battery is formed between the first sleeve and the second sleeve, and a second containing cavity for containing porous liquid suction is formed in the second sleeve; the suction nozzle is connected with the first sleeve or/and the second sleeve, and is provided with a smoke outlet;

The elastic top cover is detachably inserted into the suction nozzle and is in sealing connection with one end of the first accommodating cavity and one end of the second accommodating cavity, an air vent groove which is communicated with the air flow sensor and the smoke outlet is formed in the surface of the elastic top cover, which is opposite to the first accommodating cavity, of the elastic top cover, and the sealing piece covers the notch of the air vent groove.

2. The housing assembly of claim 1, wherein the sealing plate is located on a side of the resilient top cover facing away from the first receiving cavity, the sealing plate abutting the suction nozzle, the suction nozzle and the resilient top cover cooperatively clamping the sealing plate.

3. A housing assembly according to claim 1 or 2, wherein the resilient top cover is provided with a receiving slot in which the sealing tab is located.

4. A housing assembly according to claim 3, wherein the surface of the sealing plate facing away from the first receiving chamber is in the same plane as the surface of the resilient top cover facing away from the first receiving chamber.

5. The housing assembly according to claim 1 or 2, wherein a surface of the elastic top cover facing away from the second receiving cavity is provided with a reservoir, which reservoir communicates with the ventilation slot and the smoke outlet.

6. The housing assembly of claim 5, wherein the reservoir is located between the smoke outlet and the second receiving cavity.

7. The housing assembly of claim 5, wherein the vent slot comprises a first vent section, a second vent section, and a vent connection section, wherein a mounting slot for placing an airflow sensor is provided on a surface of the elastic top cover facing the first receiving cavity, the first vent section is communicated with the mounting slot, the second vent section is communicated with the liquid storage slot, a first end of the vent connection section is communicated with the first vent section, a second end of the vent connection section is communicated with the second vent section, and an extending direction of the vent connection section is different from an extending direction of the first vent section and the second vent section.

8. The housing assembly of claim 7, wherein the bottom wall of the first venting section is higher than the bottom wall of the second venting section, and a plurality of liquid blocking blocks are arranged in the first venting section or/and the second venting section at intervals.

9. The housing assembly according to claim 1 or 2, further comprising a third sleeve and a bottom cover, wherein the first sleeve is positioned in the third sleeve, a tubular heat insulation gap is formed between the third sleeve and the first sleeve, the suction nozzle cover is arranged at a first end of the third sleeve, the bottom cover is arranged at a second end of the third sleeve, and the first end of the third sleeve is arranged opposite to the second end of the third sleeve.

10. An aerosol-generating device comprising a housing assembly, a battery and an atomizing assembly, the battery and the atomizing assembly being located within the housing assembly, the battery being electrically connected to the atomizing assembly, wherein the housing assembly is the housing assembly of any one of claims 1 to 9.