Aerosol-generating device

Abstract

The utility model provides an aerosol generating device. The aerosol generating device comprises an oil cup, a sealing seat, a gas guide atomizing pipe and a fixing plate. A liquid storage cavity is formed in the oil cup, and an air inlet and an air outlet are formed in two ends of the oil cup. The sealing seat is located below the liquid storage cavity and connected with the oil cup in a sealed mode. The sealing seat is provided with a mounting groove and an air passing hole which are communicated. The air passing hole is communicated with the air inlet. The air guide atomization pipe is located in the liquid storage cavity, one end of the air guide atomization pipe is connected to the inner wall of the oil cup, the air guide atomization pipe surrounds the air outlet hole, a liquid inlet hole communicated with the liquid storage cavity is formed in the side wall of the air guide atomization pipe, an atomization cavity communicated with the liquid inlet hole is formed in the air guide atomization pipe, and the atomization cavity is communicated with the air passing hole and the air outlet hole. The fixing plate is located on the side, close to the air outlet hole, of the sealing seat, the fixing plate abuts against the end face of the sealing seat and the inner wall of the oil cup, a first receding hole is formed in the fixing plate, and one end of the air guide atomization pipe is connected into the mounting groove through the first receding hole.

Description

Technical Field

[0001] The present disclosure relates to the technical field of electronic cigarettes, and particularly to an aerosol generating device. Background Art

[0002] At present, for an electronic cigarette without a cotton swab in the oil storage chamber, when the external environmental air pressure is lower than the internal air pressure of the oil storage chamber (when the electronic cigarette is transported by air, the external air pressure will be lower than the normal pressure), the air in the oil storage chamber squeezes out the e-liquid in the oil storage chamber, and the e-liquid flows out from the air inlet and the suction port through the air outlet channel of the atomization component, resulting in oil leakage, which affects the use and reduces the service life.

[0003] Traditional cartridge-type electronic cigarettes usually solve the problem of oil leakage between the oil storage chamber and the atomization component through a cotton swab. However, most of the current electronic cigarettes on the market use a silicone seal to seal the bottom of the oil storage chamber. For example, the disposable electronic cigarette atomizer described in the patent publication number CN204426694U. However, during the transportation or storage of the product, due to the pressure difference between the internal and external environments, the seal is prone to deformation, resulting in a weakened sealing effect and possible oil leakage. Summary of the Utility Model

[0004] The purpose of the present disclosure is to overcome the deficiencies in the prior art and provide an aerosol generating device that resists deformation and leakage of the seal seat under negative pressure.

[0005] The purpose of the present disclosure is achieved by the following technical solutions:

[0006] An aerosol generating device includes an oil cup, a seal seat, a gas guiding atomization tube, and a fixing plate;

[0007] A liquid storage cavity is formed in the oil cup, and an air inlet hole and an air outlet hole are formed at both ends of the oil cup;

[0008] The seal seat is located below the liquid storage cavity and is hermetically connected to the oil cup. The seal seat is provided with an installation groove and a through hole that are communicated with each other; the through hole is communicated with the air inlet hole;

[0009] The gas guiding atomization tube is located in the liquid storage cavity. One end of the gas guiding atomization tube is connected to the inner wall of the oil cup. The gas guiding atomization tube is arranged around the air outlet hole. A liquid inlet hole communicated with the liquid storage cavity is formed on the side wall of the gas guiding atomization tube. An atomization cavity communicated with the liquid inlet hole is formed in the gas guiding atomization tube. The atomization cavity is respectively communicated with the through hole and the air outlet hole;

[0010] The fixed plate is located on one side of the sealing seat adjacent to the air outlet. The fixed plate abuts against the end face of the sealing seat and the inner wall of the oil cup respectively. The fixed plate is provided with a first avoidance hole, and one end of the air guiding and atomizing tube is connected to the installation groove through the first avoidance hole.

[0011] In one embodiment, the oil cup includes an upper oil cup and a lower oil cup, and the upper oil cup is connected to the lower oil cup.

[0012] In one embodiment, the upper oil cup is formed with a clamping groove, and the lower oil cup is formed with a clamping protrusion, and the clamping protrusion is located in the clamping groove.

[0013] In one embodiment, a limiting step is formed on the inner wall of the oil cup, and the fixed plate abuts against the limiting step.

[0014] In one embodiment, the aerosol generating device further includes an oil filling plug; the sealing seat is provided with an oil filling hole communicating with the liquid storage cavity, and the oil filling plug is arranged in the oil filling hole.

[0015] In one embodiment, the fixed plate is provided with a second avoidance hole, and the second avoidance hole communicates with the oil filling hole and the liquid storage cavity respectively.

[0016] In one embodiment, an anti - detachment boss is arranged along the oil filling hole on the side of the sealing seat away from the fixed plate. The anti - detachment boss abuts against the large end face of the oil filling plug, and the small end of the oil filling plug is inserted into the oil filling hole.

[0017] In one embodiment, a plurality of first sealing rings are formed on the inner wall of the oil filling hole.

[0018] In one embodiment, a plurality of second sealing rings are arranged in the installation groove, and the plurality of second sealing rings abut against the air guiding and atomizing tube.

[0019] In one embodiment, the sealing seat is formed with a plurality of sealing rings, and the plurality of sealing rings are in sealing abutment with the inner wall of the oil cup.

[0020] Compared with the prior art, the present disclosure has at least the following advantages:

[0021] By arranging a fixed plate between the sealing seat and the liquid storage cavity, the internal pressure acts on the sealing seat evenly, reducing the risk of deformation of the sealing seat due to uneven pressure, thereby avoiding the leakage of the liquid in the liquid storage cavity due to the deformation of the sealing seat. Therefore, during transportation, storage or use of the aerosol generating device, the situation of deformation of the sealing seat caused by air pressure change can be effectively prevented, thereby preventing the sealing performance of the sealing seat from failing, and further avoiding the problem of liquid leakage in the liquid storage cavity. Description of the Drawings

[0022] To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the accompanying drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following accompanying drawings only show some embodiments of the present disclosure, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related accompanying drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 A cross-sectional view of an aerosol generating device according to an embodiment;

[0024] Figure 2 For Figure 1 A partial enlarged view of the cross-sectional view shown;

[0025] Figure 3 For Figure 1 A schematic structural view of the fixing plate of the aerosol generating device shown;

[0026] Figure 4 For Figure 1 A schematic structural view of the sealing seat of the aerosol generating device shown;

[0027] Figure 5 For Figure 1 A cross-sectional view of the sealing seat of the aerosol generating device shown;

[0028] Figure 6 For Figure 1 A cross-sectional view of a state of the sealing seat of the aerosol generating device shown. Detailed implementation manners

[0029] To facilitate the understanding of the present disclosure, the present disclosure will be described more comprehensively below with reference to the relevant accompanying drawings. The preferred embodiments of the present disclosure are shown in the accompanying drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure content of the present disclosure understood more thoroughly and comprehensively.

[0030] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only embodiments.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this disclosure belongs. The terms used in the specification of this disclosure herein are for the purpose of describing specific embodiments only and are not intended to limit this disclosure. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0032] Please refer to Figures 1 to 6 , for a better understanding of the technical solutions and beneficial effects of this disclosure, the following further describes this disclosure in detail with specific embodiments:

[0033] An aerosol generating device 10 of an embodiment includes: an oil cup 100, a sealing seat 200, a gas guiding and atomizing tube 300, and a fixing plate 400. A liquid storage cavity 101 is formed in the oil cup 100, and an air inlet hole 102 and an air outlet hole 103 are formed at both ends of the oil cup 100. The sealing seat 200 is located below the liquid storage cavity 101 and is sealingly connected to the oil cup 100. The sealing seat 200 is provided with a connected installation groove 201 and an air passing hole 202; the air passing hole 202 is communicated with the air inlet hole 102. The gas guiding and atomizing tube 300 is located in the liquid storage cavity 101. One end of the gas guiding and atomizing tube 300 is connected to the inner wall of the oil cup 100. The gas guiding and atomizing tube 300 is arranged around the air outlet hole 103. A liquid inlet hole (not shown in the figure) communicated with the liquid storage cavity 101 is formed on the side wall of the gas guiding and atomizing tube 300. An atomizing cavity 301 communicated with the liquid inlet hole is formed in the gas guiding and atomizing tube 300. The atomizing cavity 301 is respectively communicated with the air passing hole 202 and the air outlet hole 103. The fixing plate 400 is located on one side of the sealing seat 200 adjacent to the air outlet hole 103. The fixing plate 400 respectively abuts against the end face of the sealing seat 200 and the inner wall of the oil cup 100. The fixing plate 400 is provided with a first avoiding hole 401. One end of the gas guiding and atomizing tube 300 is connected to the installation groove 201 through the first avoiding hole 401.

[0034] In this embodiment, by arranging the fixing plate 400 between the sealing seat 200 and the liquid storage cavity 101, the internal pressure acts on the sealing seat 200 evenly, reducing the risk of deformation of the sealing seat 200 due to uneven pressure, thereby preventing the liquid in the liquid storage cavity 101 from leaking due to the deformation of the sealing seat 200. Therefore, during transportation, storage or use of the aerosol generating device 10, the situation of deformation of the sealing seat 200 caused by air pressure change can be effectively prevented, thereby preventing the sealing performance of the sealing seat 200 from failing, and further avoiding the problem of liquid leakage in the liquid storage cavity 101.

[0035] As Figure 1As shown, in one embodiment, the oil cup 100 includes an upper oil cup 110 and a lower oil cup 120, and the upper oil cup 110 is connected to the lower oil cup 120. It can be understood that during the assembly process, the oil cup 100 with an upper and lower structure facilitates the installation and positioning of the internal components of the aerosol generating device 10, improving the structural stability of the aerosol generating device 10.

[0036] As Figure 1 and Figure 2 shown, in one embodiment, the upper oil cup 110 is formed with a clamping groove 111, and the lower oil cup 120 is formed with a clamping protrusion. The clamping protrusion 121 is located within the clamping groove 111. It can be understood that through the cooperation of the clamping groove 111 and the clamping protrusion 121 between the upper oil cup 110 and the lower oil cup 120, an effective seal can be formed to achieve waterproofing and prevent liquid leakage.

[0037] As Figure 2 shown, in one embodiment, a limiting step 112 is formed on the inner wall of the oil cup 100, and the fixing plate 400 abuts against the limiting step 112. It can be understood that by providing the limiting step 112, the capacity of the liquid storage cavity 101 can be ensured to be fixed and not changed due to the extrusion of the fixing plate 400 and the sealing seat 200; at the same time, the fixing plate 400 abuts against the liquid storage cavity 101 and the sealing seat 200, which can enhance the sealing effect.

[0038] As Figures 4 to 6 shown, in one embodiment, the aerosol generating device 10 further includes an oil injection plug 500; the sealing seat 200 is provided with an oil injection hole 203 communicating with the liquid storage cavity 101, and the oil injection plug 500 is disposed within the oil injection hole 203.

[0039] As Figure 1 and Figure 3 shown, in one embodiment, the fixing plate 400 is provided with a second avoidance hole 402, and the second avoidance hole 402 communicates with the oil injection hole 203 and the liquid storage cavity 101 respectively.

[0040] It can be understood that during the assembly process of the aerosol generating device 10, the air guiding and atomizing tube 300, the fixing plate 400, and the sealing seat 200 are first installed, and then liquid is injected into the liquid storage cavity 101 through the oil injection hole 203 and the second avoidance hole 402. In this way, it can be avoided that the liquid in the liquid storage cavity 101 overflows during the assembly process, resulting in leakage, contamination, or damage to other components.

[0041] As Figure 6As shown, in one embodiment, an anti - detachment boss 210 is provided along the oil injection hole 203 on the side of the sealing seat 200 away from the fixing plate 400. The anti - detachment boss 210 abuts against the large end face of the oil injection plug 500, and the small end of the oil injection plug 500 is inserted into the oil injection hole 203. Specifically, in this embodiment, the opening of the anti - detachment boss 210 is smaller than the oil injection hole 203. The oil injection plug 500 is a soft rubber structure, and its shape is adapted to the oil injection hole 203. The oil injection plug 500 is inserted into the oil injection hole 203 by extrusion, and the anti - detachment boss 210 abuts against the oil injection plug 500 to prevent the oil injection plug 500 from coming out, thereby preventing the oil in the oil from leaking from the oil injection hole 203.

[0042] As Figure 5 shown, in one embodiment, a plurality of first sealing rings 2031 are formed on the inner wall of the oil injection hole 203. It can be understood that the plurality of first sealing rings 2031 increase the interference amount, can buffer the deformation caused by changes in the external environment, and avoid oil leakage caused by seal failure.

[0043] As Figure 5 shown, in one embodiment, a plurality of second sealing rings 2011 are provided in the installation groove 201, and the plurality of second sealing rings 2011 abut against the air - guiding atomizing tube 300. It can be understood that the plurality of second sealing rings 2011 reduce the relative acting force between the air - guiding atomizing tube 300 and the installation groove 201. Therefore, the elastic fatigue time of the sealing seat 200 is extended, and thus the sealing effect between the installation groove 201 and the air - guiding atomizing tube 300 can be ensured.

[0044] As Figures 1 to 5 shown, in one embodiment, the sealing seat 200 is formed with a plurality of sealing rings 220, and the plurality of sealing rings 220 are in sealing contact with the oil cup 100. Specifically, in this embodiment, the material of the sealing seat 200 is silica gel, and the sealing rings 220 are integrally formed with the sealing seat 200; through the interference fit between the sealing rings 220 and the oil cup 100, sealing contact is realized, so that the sealing stability of the sealing seat 200 can be improved, and the sealing seat 200 can be prevented from detaching from the oil cup 100.

[0045] Compared with the prior art, the present disclosure has at least the following advantages:

[0046] By providing a fixing plate between the sealing seat and the liquid storage cavity, the internal pressure acts on the sealing seat evenly, reducing the risk of deformation of the sealing seat due to uneven pressure, thereby preventing the liquid in the liquid storage cavity from leaking due to the deformation of the sealing seat. Therefore, during transportation, storage or use of the aerosol - generating device, the situation of deformation of the sealing seat caused by air pressure changes can be effectively prevented, thereby preventing the sealing performance of the sealing seat from failing, and further avoiding the problem of liquid leakage in the liquid storage cavity.

[0047] The above-described embodiments merely represent several implementation manners of the present disclosure. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the disclosed patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present disclosure, several modifications and improvements can still be made, and these all fall within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure patent shall be subject to the appended claims.

Claims

1. An aerosol generating device, comprising an oil cup, a sealing seat and an air-guiding atomizing tube; A liquid storage cavity is formed in the oil cup, and air inlet holes and air outlet holes are opened at both ends of the oil cup; The sealing seat is located below the liquid storage cavity and is sealed with the oil cup. The sealing seat is provided with a connecting mounting groove and an air hole; the air hole is connected with the air inlet hole; The air-guiding atomization tube is located in the liquid storage cavity, one end of the air-guiding atomization tube is connected to the inner wall of the oil cup, the air-guiding atomization tube is arranged around the air outlet, a liquid inlet hole connected to the liquid storage cavity is formed on the side wall of the air-guiding atomization tube, an atomization cavity connected to the liquid inlet hole is formed in the air-guiding atomization tube, and the atomization cavity is respectively connected to the air hole and the air outlet; It is characterized in that The aerosol generating device further comprises: A fixing plate, the fixing plate is located on a side of the sealing seat adjacent to the air outlet, the fixing plate is respectively abutted against the end surface of the sealing seat and the inner wall of the oil cup, the fixing plate is provided with a first avoidance hole, and one end of the air guide atomization tube is connected to the mounting groove through the first avoidance hole.

2. The aerosol generating device according to claim 1, characterized in that: The oil cup comprises an upper oil cup and a lower oil cup, and the upper oil cup is connected to the lower oil cup.

3. The aerosol generating device according to claim 2, characterized in that: The upper oil cup is formed with a clamping groove, and the lower oil cup is formed with a clamping protrusion, and the clamping protrusion is located in the clamping groove.

4. The aerosol generating device according to claim 1, characterized in that: The inner wall of the oil cup forms a limiting step, and the fixing plate abuts against the limiting step.

5. The aerosol generating device according to claim 1, characterized in that: The aerosol generating device also includes an oil filling plug; The sealing seat is provided with an oil filling hole communicated with the liquid storage cavity, and the oil filling plug is arranged in the oil filling hole.

6. The aerosol generating device according to claim 5, characterized in that: The fixing plate is provided with a second avoidance hole, and the second avoidance hole is communicated with the oil injection hole and the liquid storage cavity respectively.

7. The aerosol generating device according to claim 5, characterized in that: A side of the sealing seat away from the fixing plate is provided with an anti-dropping boss along the oil filling hole, the anti-dropping boss abuts against the large end surface of the oil filling plug, and the small end of the oil filling plug is inserted into the oil filling hole.

8. The aerosol generating device according to claim 5, characterized in that: A plurality of first sealing rings are formed on the inner wall of the oil filling hole.

9. The aerosol generating device according to claim 1, characterized in that: A plurality of second sealing rings are arranged in the installation groove, and the plurality of second sealing rings abut against the air guide atomization tube.

10. The aerosol generating device according to claim 1, characterized in that The sealing seat is formed with a plurality of sealing rings, and the plurality of sealing rings are in sealing contact with the inner wall of the oil cup.

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