Electronic cigarette with double-channel structure

Through a unique ventilation duct design and baffle separation, the problems of e-liquid blockage and flavor mixing in dual-channel e-cigarettes have been solved, achieving the independence of the air duct and the purity of the flavor, thus improving product reliability and user experience.

CN224584205UActive Publication Date: 2026-08-04SHENZHEN NOVEL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN NOVEL TECH CO LTD
Filing Date
2025-09-04
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing dual-channel e-cigarettes are prone to problems such as e-liquid clogging the airway and flavor mixing, which affect the user experience and product appeal.

Method used

The unique ventilation duct design divides the air duct into independent, tortuous non-linear paths. The oil storage chamber is separated from the battery installation area by a baffle, and a symmetrical ventilation duct system is designed to avoid airflow interference and odor cross-contamination.

Benefits of technology

It effectively prevents airway blockage, ensures the purity of both flavors, and improves product reliability and user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to an electronic cigarette with a dual-channel structure. The main body of the device is divided into symmetrical left and right chambers accommodating two independent oil storage chambers, with the battery installation area at the bottom. The core technology lies in the design of a completely physically isolated five-segment ventilation channel for each chamber: airflow enters from the bottom side wall inlet, then passes through a vertically rising channel along the side wall, a transverse channel between the baffle and the battery compartment, a vertical gap between the baffle and the chamber wall, a transverse channel flowing through the heating and atomization zone, and an airway rising along the inner wall to the top outlet. The key component, the baffle, is horizontally positioned below the oil storage chamber, separating the battery area from the atomization zone and forming a tortuous airway turning point. This structure, through a multi-directional "S"-shaped channel design, guides condensate to drip naturally to the baffle for collection, preventing blockage of the top outlet; simultaneously, the dual channels are physically isolated from inlet to outlet, completely solving the problem of flavor crosstalk and ensuring a pure vaping experience for the user.
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Description

Technical Field

[0001] This utility model relates to an electronic cigarette, and more particularly to an electronic cigarette with a dual-channel structure. Background Technology

[0002] As an alternative to traditional cigarettes, e-cigarettes have received widespread attention and development in recent years. To meet users' needs for multiple flavors, dual-channel or dual-tank e-cigarettes have appeared on the market, allowing users to install two different flavored e-liquids at the same time and switch between them at any time.

[0003] However, existing dual-channel electronic cigarettes still have some structural design problems that urgently need to be solved:

[0004] 1. E-liquid or condensation clogging the airway: In traditional designs, the air outlet is usually located directly above or near the atomizing chamber, in a straight-through configuration. Condensation produced during inhalation or small amounts of e-liquid seeping out due to negative pressure can easily drip and accumulate near the air outlet under gravity. Over time, this can clog the airway, affecting the user experience and even damaging the device.

[0005] 2. Flavor Mixing: Some dual-channel e-cigarettes do not have complete physical isolation between the two airflow systems, and there may be connecting cavities inside the structure. This can cause a small amount of vapor from the other side to escape and mix when the user is inhaling one flavor, resulting in an impure flavor, or "flavor mixing," which greatly reduces the product's appeal.

[0006] Therefore, designing a novel electronic cigarette structure that can effectively prevent airway blockage and avoid flavor mixing is a technical challenge that needs to be solved by those skilled in the art. Utility Model Content

[0007] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide an electronic cigarette with a dual-channel structure. Through a unique and independent ventilation channel design, it cleverly solves the problems of condensate clogging the air outlet and cross-contamination of flavors between the two types of smoke.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] A dual-channel electronic cigarette, comprising:

[0010] A main body (10) has two symmetrically arranged left and right chambers (20) in the upper part of its interior, and a battery mounting area (30) in the lower part of its interior.

[0011] Two oil storage chambers (40) are respectively disposed in the two chambers (20), and each oil storage chamber (40) has an oil outlet (41);

[0012] A heating wire (50) is disposed at the oil outlet (41);

[0013] A baffle (60) is disposed inside the main body (10) and located directly below the oil storage chamber (40);

[0014] Two independent ventilation ducts (70) are respectively disposed in the main body (10) corresponding to the left and right chambers (20);

[0015] Each of the ventilation ducts (70) includes a first ventilation duct (71), a second ventilation duct (72), a third ventilation duct (73), a fourth ventilation duct (74), and a fifth ventilation duct (75) connected in sequence; the first ventilation duct (71) is located between the battery mounting area (30) and the inner wall (11) of the main body (10) and has an air inlet (711); the second ventilation duct (72) is located between the baffle (60) and the battery mounting area (30); the third ventilation duct (73) is the gap formed between the baffle (60) and the cavity wall (21) of the chamber (20); the fourth ventilation duct (74) is located between the oil storage chamber (40) and the baffle (60); the fifth ventilation duct (75) is located between the oil storage chamber (40) and the inner wall (11) of the main body (10) and has an air outlet (751).

[0016] As a preferred embodiment of this utility model, the two air outlets (751) are respectively located at the top ends of the main body (10). This design not only maximizes the physical distance between the two air passages in terms of structure, completely eliminating the possibility of cross-contamination of odors, but also conforms to the user's usage habits.

[0017] As a preferred embodiment of this utility model, the baffle (60) is a horizontally arranged plate-like structure, the width of which is adapted to the inner cavity width of the main body (10), and it separates the lower space of the chamber (20) from the upper space of the battery mounting area (30). The baffle (60) is a key component for forming a tortuous air passage and collecting condensate.

[0018] As a preferred embodiment of the present invention, the first ventilation duct (71) extends vertically upward along the side wall of the main body (10) and is connected to the second ventilation duct (72) arranged horizontally.

[0019] As a preferred embodiment of this invention, one end of the second ventilation duct (72) is connected to the top end of the first ventilation duct (71), and the other end is connected to the bottom end of the third ventilation duct (73). This U-shaped turning path constitutes the first buffer and turning zone of the airflow path.

[0020] As a preferred embodiment of this utility model, the third ventilation duct (73) extends vertically upward along the cavity wall (21) of the chamber (20), and its top end is connected to one end of the fourth ventilation duct (74). The airflow flows through the fourth ventilation duct (74) through the area where the heating wire (50) is located, and then enters the fifth ventilation duct (75). This design guides the airflow to accurately reach the atomization core area.

[0021] As a preferred embodiment of this invention, the fifth ventilation duct (75) extends upward along the inner wall (11) of the main body (10) from the area where the heating wire (50) is located to the air outlet (751). This is the final exhaust channel for the smoke, which is separated from the air intake channel to avoid airflow interference.

[0022] The beneficial effects of this utility model are as follows:

[0023] 1. Effectively prevents clogging: The ventilation duct (70) designed in this invention is a complete and tortuous non-linear path. External air enters from the bottom air inlet (711) and reaches the top air outlet (751) after multiple turns. In particular, the air outlet (751) is not directly perpendicular to the oil outlet (41) of the oil storage chamber (40) and the heating wire (50) in terms of spatial position. Even if condensate is generated or slight oil seepage occurs during atomization, this liquid will drip down due to gravity and be caught by the baffle (60) below, or accumulate at the turning point of the second ventilation duct (72) and the third ventilation duct (73), instead of flowing directly to the fifth ventilation duct (75) and clogging the air outlet (751), which greatly improves the reliability and service life of the product.

[0024] 2. Completely eliminates cross-contamination of flavors: This invention features a completely independent and symmetrical ventilation duct (70) system for each of the two chambers (20). From the air inlet (711) to the air outlet (751), the two airflows are completely physically separated within the main body (10), with no possibility of connection. When a user inhales from one side of the cartridge, the airflow and smoke circulate only within the independent channel on that side, without affecting the other side, thus ensuring the purity of both flavors and providing an excellent user experience. Attached Figure Description

[0025] Figure 1 This is a schematic cross-sectional view of one embodiment of the present invention.

[0026] Figure 2 This is a schematic diagram of the airflow path through the ventilation duct in one embodiment of the present invention.

[0027] The markings in the diagram are: 10-Main body; 11-Inner wall; 20-Cavity; 21-Cavity wall; 30-Battery installation area; 40-Oil storage chamber; 41-Oil outlet; 50-Heating wire; 60-Baffle; 70-Ventilation duct; 71-First ventilation duct; 711-Air inlet; 72-Second ventilation duct; 73-Third ventilation duct; 74-Fourth ventilation duct; 75-Fifth ventilation duct; 751-Air outlet. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description of the dual-channel electronic cigarette of this utility model, in conjunction with the accompanying drawings and embodiments, will provide a more comprehensive understanding. It should be understood that the specific embodiments described herein are merely illustrative of this utility model and are not intended to limit its scope.

[0029] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "center," "longitudinal," "lateral," "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art will be able to understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0032] Please see Figure 1 as well as Figure 2This invention provides an electronic cigarette with a dual-channel structure. The electronic cigarette includes a main body (10). The internal space of the main body (10) is divided into upper and lower parts. The upper part is divided into two symmetrical chambers (20) for installing oil storage chambers (40) containing e-liquids with different flavors. The lower part is a battery installation area (30) for accommodating the power supply component.

[0033] Each chamber (20) has an oil storage chamber (40). The bottom of the oil storage chamber (40) has an oil outlet (41) through which the e-liquid permeates to the heating element. A heating wire (50) is located at the oil outlet (41), and when it is powered on and heated, it can atomize the permeated e-liquid into vapor that can be inhaled by the user.

[0034] The core of this utility model lies in its unique internal structure. Inside the main body (10), directly below the oil storage chamber (40), a key component—a baffle (60)—is arranged laterally. This baffle (60) effectively separates the lower part of the chamber (20) from the upper part of the battery mounting area (30) and provides a structural basis for guiding and directing airflow.

[0035] Based on the above structure, this utility model designs a completely independent and non-interfering ventilation duct (70) for each of the left and right chambers (20). The complete airflow path is described in detail below using one side as an example:

[0036] When the user draws air in, outside air first enters through the air inlet (711) located on the lower side wall of the main body (10).

[0037] Airflow enters the first ventilation duct (71) defined between the battery mounting area (30) and the inner wall (11) of the body (10) and flows upward along the side wall of the body (10).

[0038] After reaching the top of the first ventilation duct (71), the airflow turns into the second ventilation duct (72) defined between the baffle (60) and the battery mounting area (30) and flows laterally.

[0039] Subsequently, the airflow turns again and enters the narrow gap formed between the edge of the baffle (60) and the cavity wall (21) of the chamber (20), namely the third ventilation channel (73), and flows upward again.

[0040] After exiting the third ventilation duct (73), the airflow enters the fourth ventilation duct (74), which is defined between the bottom of the oil reservoir (40) and the upper surface of the baffle (60). It is in this area that the airflow sweeps laterally across the heating wire (50) and mixes thoroughly with the instantly atomized e-liquid vapor to form an aerosol (i.e. smoke).

[0041] Finally, the airflow carrying the smoke enters the fifth ventilation duct (75) defined between the outer wall of the oil storage chamber (40) and the inner wall (11) of the main body (10), and goes all the way up, eventually being inhaled by the user from the air outlet (751) located at the top end of the main body (10).

[0042] The ventilation duct (70) on the other side has the same and symmetrical structure, achieving a complete mirror image of the two systems in terms of structure and complete independence in terms of function.

[0043] In summary, the ingenuity of this invention lies in the precise division of the internal space of the baffle (60) and the main body (10) to construct an "S"-shaped or "return"-shaped tortuous airway containing two upward and two lateral flows. This design not only achieves effective airflow organization but also brings significant beneficial effects and solves the problems mentioned in the background art.

[0044] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. An electronic cigarette with a dual-channel structure, characterized in that, include: The main body has two symmetrically arranged chambers, left and right, in its upper part, and a battery mounting area in its lower part. Two oil storage chambers are respectively disposed in the two chambers, and each oil storage chamber has an oil outlet; A heating wire is positioned at the oil outlet. A baffle is disposed inside the main body and located directly below the oil storage chamber; Two independent ventilation ducts are respectively located within the main body, corresponding to the left and right chambers; Each of the ventilation ducts includes a first ventilation duct, a second ventilation duct, a third ventilation duct, a fourth ventilation duct, and a fifth ventilation duct that are connected in sequence. The first ventilation duct is located between the battery mounting area and the inner wall of the main body, and has an air inlet; The second ventilation duct is located between the baffle and the battery mounting area; The third ventilation duct is the gap formed between the baffle and the cavity wall; The fourth ventilation duct is located between the oil storage chamber and the baffle. The fifth ventilation duct is located between the oil storage cavity and the inner wall of the main body, and has an air outlet.

2. The electronic cigarette with a dual-channel structure according to claim 1, characterized in that, The two air outlets are respectively located at the top two ends of the main body.

3. The electronic cigarette with a dual-channel structure according to claim 1, characterized in that, The baffle is a horizontally arranged plate-like structure, the width of which is adapted to the width of the inner cavity of the main body, and it separates the lower space of the cavity from the upper space of the battery mounting area.

4. The electronic cigarette with a dual-channel structure according to claim 1, characterized in that, The first ventilation duct extends vertically upward along the side wall of the main body and connects with the second ventilation duct that is arranged laterally.

5. The electronic cigarette with a dual-channel structure according to claim 1 or 4, characterized in that, One end of the second ventilation duct is connected to the top of the first ventilation duct, and the other end is connected to the bottom of the third ventilation duct.

6. The electronic cigarette with a dual-channel structure according to claim 1, characterized in that, The third ventilation duct extends vertically upward along the cavity wall, and its top end is connected to one end of the fourth ventilation duct. After the airflow passes through the area where the heating wire is located via the fourth ventilation duct, it enters the fifth ventilation duct.

7. The electronic cigarette with a dual-channel structure according to claim 1, characterized in that, The fifth ventilation duct extends upward along the inner wall of the main body from the area where the heating wire is located to the air outlet.