Electronic cigarette air switch sealing structure

By designing a protection module and airway column structure for the electronic cigarette air switch, the problem of damage caused by condensate was solved, enabling the air switch to function normally and perform its sensing function.

CN224165734UActive Publication Date: 2026-04-28SHENZHEN NEVOKS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN NEVOKS TECH CO LTD
Filing Date
2025-05-20
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing electronic cigarette air switches are prone to damage due to condensation entering the device, leading to misjudgments of the user's usage status and affecting the normal operation of the equipment.

Method used

An air switch sealing structure for electronic cigarettes was designed. The air switch is encased in a protective module to isolate it from condensate water, and airflow is guided into the protective module through an airway column to sense the negative pressure of suction.

Benefits of technology

This effectively prevents condensate from contacting the air switch, ensuring its sensitivity and normal operation, avoiding accidental start-ups, and improving the reliability of equipment use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of sealing structures, and discloses an electronic cigarette air switch sealing structure which comprises a supporting module, a PCB assembly is fixed to the upper end of one side of the supporting module through bolts, a protection module is arranged at the upper end of the PCB assembly, a plastic side wall is fixed to the front end of the upper portion of one side of the supporting module through bolts, and the supporting module comprises a supporting frame. Partition plates are fixedly arranged on the upper portion of the inner wall of one side of the supporting frame. According to the electronic cigarette, when a user smokes the electronic cigarette, the air switch can sense the change of air flow, an air flow channel is formed in the cigarette rod, when the air flow passes through the channel, the air switch is triggered under the action of negative pressure of smoking, and the electronic cigarette can automatically start to work according to the smoking action of the user through the triggering mechanism; when the air switch is used, the air switch is generally directly connected with the PCB assembly, the PCB assembly becomes hot when working, and condensate is generated when external cold air encounters the heating PCB assembly.
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Description

Technical Field

[0001] This utility model relates to the field of sealing structures, and in particular to a sealing structure for an electronic cigarette air switch. Background Technology

[0002] Electronic cigarettes use batteries to power atomizers, which convert e-liquid containing nicotine, flavorings, and solvents (such as propylene glycol and glycerin) into an inhalable aerosol. The core component is the atomizer, which mainly uses ceramic heating or cotton wick heating. Some high-end products introduce ultrasonic atomization to improve atomization efficiency.

[0003] The air switch of existing e-cigarette products does not protect against condensation. During use, users can easily allow condensation to enter the microphone of the air switch, causing damage to the microphone. When condensation enters the air switch, the damaged microphone is prone to self-starting. The condensation can also cause the air switch to fail to release negative pressure or reduce the capacitance of the air switch diaphragm, which may mistakenly identify the user as using the e-cigarette and cause it to self-start.

[0004] Therefore, those skilled in the art have provided a sealing structure for an electronic cigarette air switch to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a sealing structure for an electronic cigarette air switch. The protection module can be fitted over the air switch during use, preventing the membrane side of the air switch from contacting condensate and allowing the air switch to function normally.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an air switch sealing structure for an electronic cigarette, including a support module, a PCB assembly bolted to the upper end of one side of the support module, a protective module provided on the upper end of the PCB assembly, a plastic sidewall bolted to the upper front end of one side of the support module, the support module including a support frame, a partition fixedly provided on the upper part of the inner wall of one side of the support frame, and an air inlet hole provided on the upper surface of the partition.

[0007] The PCB assembly includes a main board with a first snap-fit ​​groove on the upper surface of the main board. The protection module includes a cavity with an air duct column fixedly disposed on one side of the cavity and a snap-fit ​​block fixedly disposed on the front surface of the cavity. The plastic sidewall includes a fixing plate with a second snap-fit ​​groove on the rear surface of the fixing plate.

[0008] Furthermore, a battery is snapped into the lower end of one side of the support module, and battery foam is squeezed and fixed to the side of the battery near the support module.

[0009] Furthermore, the material used in the protection module is silicone.

[0010] Furthermore, a top column is fixedly installed on the upper end of the inner wall of one side of the support frame, and two threaded columns are fixedly installed on the upper part of the inner wall of one side of the support frame.

[0011] Furthermore, a plurality of snap-fit ​​posts are fixedly provided on one side of the main body plate, and a plurality of first through holes are opened on one side of the main body plate.

[0012] Furthermore, a second through hole is provided at the lower end of one side of the fixing plate.

[0013] Furthermore, a connecting block is fixedly installed on the upper end of one side of the fixing plate.

[0014] This utility model has the following beneficial effects:

[0015] 1. This utility model proposes a sealed structure for an electronic cigarette air switch. When a user inhales the electronic cigarette, the air switch can sense changes in airflow. There is an airflow channel inside the cigarette holder. When airflow passes through this channel, the air switch is triggered under the negative pressure of inhalation. This triggering mechanism allows the electronic cigarette to automatically start working according to the user's inhalation action. The air switch is generally directly connected to the PCB assembly during use. The PCB assembly heats up during operation. When external cold air encounters the heated PCB assembly, condensate is produced. The condensate adhering to the film side of the air switch will affect the sensitivity of the air switch. The protection module can be used to cover the air switch during use, so that the film side of the air switch will not come into contact with the condensate.

[0016] 2. The present invention proposes a sealing structure for an electronic cigarette air switch. In use, the main structure of the protection module includes a cavity, on one side of which an air duct column is installed. When the protection module is fitted onto the air switch, the diaphragm side of the air switch should face the side with the fixed air duct column. The air duct column allows external gas to enter the interior of the protection module, enabling the air switch to sense the negative pressure of suction. At the same time, the air duct column is far from the PCB assembly, preventing condensate from entering the interior of the air switch. The ribs at the lower end of the cavity surface are press-fitted with the first snap-fit ​​groove at the upper end of the main board, ensuring the stability of the protection module on the PCB assembly. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main axial view of the present invention;

[0018] Figure 2 This is a rear-view axle-side schematic diagram of the present invention;

[0019] Figure 3 This is an isometric view of a portion of the PCB assembly structure of this utility model;

[0020] Figure 4This is an axonometric schematic diagram of the protection module structure of this utility model.

[0021] Legend:

[0022] 1. Support module; 2. PCB assembly; 3. Protection module; 4. Plastic sidewall; 5. Battery foam; 6. Battery; 101. Support frame; 102. Top column; 103. Threaded column; 104. Partition; 105. Air inlet; 201. Main board; 202. First snap-fit ​​groove; 203. Snap-fit ​​column; 204. First through hole; 301. Cavity; 302. Air duct column; 303. Snap-fit ​​block; 401. Fixing plate; 402. Second snap-fit ​​groove; 403. Connecting block; 404. Second through hole. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Reference Figure 1 , Figure 2 The present invention provides an embodiment of an electronic cigarette air switch sealing structure, comprising a support module 1, a PCB assembly 2 bolted to the upper end of one side of the support module 1, a protection module 3 provided on the upper end of the PCB assembly 2, a plastic sidewall 4 bolted to the upper front end of one side of the support module 1, a battery 6 snapped onto the lower end of one side of the support module 1, and a battery foam 5 squeezed and fixed to the side of the battery 6 near the support module 1. The material used for the protection module 3 is silicone.

[0025] Specifically, during use, the support module 1 can snap and fix the battery 6. A battery foam 5 is set between the battery 6 and the support module 1. The battery foam 5 can act as a buffer between the battery 6 and the support module 1. At the same time, in the narrow space inside the device, the elastic compression of the foam can fix the battery 6, preventing the battery 6 from shaking and shifting. A PCB assembly 2 is bolted to one side of the support module 1. A protection module 3 is interference-fitted to the upper end of the PCB assembly 2. During use, the protection module 3 can cover the air switch, so that the membrane side of the air switch will not come into contact with condensation, allowing the air switch to work normally. One side of the PCB assembly 2 is connected to the plastic sidewall 4, and the rear end of the plastic sidewall 4 is connected to the protection module 3, so that the protection module 3 can be more firmly set on the PCB assembly 2.

[0026] Reference Figure 2The support module 1 includes a support frame 101. A partition 104 is fixedly installed on the upper part of the inner wall of one side of the support frame 101. An air inlet 105 is opened on the upper surface of the partition 104. A top column 102 is fixedly installed on the upper part of the inner wall of one side of the support frame 101. Two threaded columns 103 are fixedly installed on the upper part of the inner wall of one side of the support frame 101.

[0027] Specifically, the main structure of the support module 1 includes a support frame 101. The lower end of the inner wall of the support frame 101 can be used to install the battery 6. Two threaded posts 103 are provided on the upper end of the inner wall of one side of the support frame 101. The threaded posts 103 can be used to connect the PCB assembly 2 and the plastic side wall 4 to the support module 1 with bolts. The support frame 101 is fixed with a partition 104. An air inlet 105 is provided on the upper end of the partition 104. The air inlet 105 is located on the upper end of the air duct column 302 of the protection module 3, so that airflow can enter the air duct column 302 through the air inlet 105.

[0028] Reference Figure 3 The PCB assembly 2 includes a main board 201, a first snap-fit ​​groove 202 is provided on the upper surface of the main board 201, a plurality of snap-fit ​​posts 203 are fixedly provided on one side of the main board 201, and a plurality of first through holes 204 are provided on one side of the main board 201.

[0029] Specifically, the main structure of PCB assembly 2 includes a main board 201, which is connected to the air switch during use to enable the air switch to operate normally. The upper end of the main board 201 has a first snap-fit ​​slot 202, which can be interference-fitted with the protection module 3 to fix the protection module 3 to the upper end of PCB assembly 2. A number of snap-fit ​​posts 203 and a number of first through holes 204 are fixed on one side of the main board 201. The snap-fit ​​posts 203 and the first through holes 204 make it easy to fix PCB assembly 2.

[0030] Reference Figure 4 The protection module 3 includes a cavity 301, an airway column 302 is fixedly installed on one side of the cavity 301, and a snap-fit ​​block 303 is fixedly installed on the front end face of the cavity 301.

[0031] Specifically, the main structure of the protection module 3 includes a cavity 301, on one side of which an air duct column 302 is installed. When the protection module 3 is used to install the air switch, the side of the air switch with the membrane should face the side with the air duct column 302. The air duct column 302 allows external gas to enter the interior of the protection module 3, allowing the air switch to sense the negative pressure of suction. A snap-fit ​​block 303 is fixed at the front end of the cavity 301, which allows the protection module 3 to connect with the plastic sidewall 4.

[0032] Reference Figure 3The plastic sidewall 4 includes a fixing plate 401, a second snap-fit ​​groove 402 is provided on the rear end face of the fixing plate 401, a second through hole 404 is provided on the lower end of one side of the fixing plate 401, and a connecting block 403 is fixedly provided on the upper end of one side of the fixing plate 401.

[0033] Specifically, the main structure of the plastic sidewall 4 includes a fixing plate 401. The rear end of the fixing plate 401 is provided with a second snap-fit ​​groove 402, which allows the protection module 3 and the plastic sidewall 4 to be interference-fitted. The second through hole 404 at the lower end of the fixing plate 401 can be used to place bolts, allowing the plastic sidewall 4 and the support module 1 to be connected. The connecting block 403 fixed by the fixing plate 401 facilitates the connection between the plastic sidewall 4 and the electronic cigarette shell.

[0034] Working principle: A battery foam 5 is set between the battery 6 and the support module 1. The battery foam 5 can act as a buffer between the battery 6 and the support module 1. At the same time, in the narrow space inside the device, the elastic compression of the foam fixes the battery 6, which can prevent the battery 6 from shaking and shifting.

[0035] The upper end of PCB assembly 2 is interference-fitted with a protection module 3. When in use, the protection module 3 can cover the air switch, so that the membrane side of the air switch will not come into contact with condensate, allowing the air switch to work normally. The main structure of the protection module 3 is a cavity 301, and an air duct column 302 is installed on one side of the cavity 301. When the protection module 3 covers the air switch, the membrane side of the air switch needs to face the side with the air duct column 302. The air duct column 302 can allow external gas to enter the interior of the protection module 3, allowing the air switch to sense the negative pressure of suction.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sealing structure for an electronic cigarette air switch, comprising a support module (1), characterized in that: The upper end of one side of the support module (1) is bolted with a PCB assembly (2), and a protective module (3) is provided on the upper end of the PCB assembly (2). A plastic sidewall (4) is bolted to the upper front end of one side of the support module (1). The support module (1) includes a support frame (101). A partition (104) is fixed to the upper part of the inner wall of one side of the support frame (101). An air inlet (105) is opened on the upper surface of the partition (104). The PCB assembly (2) includes a main board (201), the upper surface of the main board (201) is provided with a first snap-fit ​​groove (202), the protection module (3) includes a cavity (301), an air duct column (302) is fixedly provided on one side of the cavity (301), a snap-fit ​​block (303) is fixedly provided on the front end surface of the cavity (301), and the plastic sidewall (4) includes a fixing plate (401), the rear end surface of the fixing plate (401) is provided with a second snap-fit ​​groove (402).

2. The sealing structure for an electronic cigarette air switch according to claim 1, characterized in that: A battery (6) is snapped into the lower end of one side of the support module (1), and battery foam (5) is squeezed and fixed on the side of the battery (6) near the support module (1).

3. The sealing structure for an electronic cigarette air switch according to claim 1, characterized in that: The material used in the protection module (3) is silicone.

4. The sealing structure for an electronic cigarette air switch according to claim 1, characterized in that: A top column (102) is fixedly installed on the upper end of the inner wall of one side of the support frame (101), and two threaded columns (103) are fixedly installed on the upper part of the inner wall of one side of the support frame (101).

5. The sealing structure for an electronic cigarette air switch according to claim 1, characterized in that: A plurality of snap-fit ​​posts (203) are fixedly provided on one side of the main body plate (201), and a plurality of first through holes (204) are provided on one side of the main body plate (201).

6. The sealing structure for an electronic cigarette air switch according to claim 1, characterized in that: A second through hole (404) is provided at the lower end of one side of the fixing plate (401).

7. The sealing structure for an electronic cigarette air switch according to claim 1, characterized in that: A connecting block (403) is fixedly installed on the upper end of one side of the fixing plate (401).