Atomizing core assembly and electronic cigarette

Abstract

The application discloses an atomizing core assembly and an electronic cigarette, and relates to the technical field of electronic cigarettes, wherein the atomizing core assembly comprises a shell, first oil guide cotton and a heating element, the shell is formed with a first accommodating cavity, at least one oil inlet hole is formed in one side of the shell, the oil inlet hole is communicated with the first accommodating cavity, and the inner circumferential wall of the shell is formed with at least one flow guide channel, the flow guide channel is communicated with the at least one oil inlet hole, the first oil guide cotton is arranged in the first accommodating cavity, and the heating element is used for heating tobacco tar conducted from the first oil guide cotton; in the technical scheme provided by the application, the tobacco tar can be uniformly penetrated into the first oil guide cotton through the flow guide channel, when the heating element heats the oil guide cotton, the distribution of the tobacco tar is relatively uniform, the volatilization rate of the tobacco tar is consistent when the heating element is heated, the atomization temperature field is uniform, dry burning, scorched and aerosol concentration fluctuation are effectively inhibited, and the atomization stability and user taste consistency are improved.

Description

Technical Field

[0001] This application relates to the field of electronic cigarette technology, and in particular to an atomizing core assembly and an electronic cigarette. Background Technology

[0002] An e-cigarette is an electronic device that simulates the function of a traditional cigarette. It heats e-liquid containing nicotine, propylene glycol, glycerin, and flavorings to produce vapor for the user to inhale, providing a smoking-like experience. E-cigarettes are typically battery-powered and come with replaceable cartridges or e-liquid containers, as well as a heating element. The battery-powered heating coil evaporates the e-liquid at a specific temperature, creating a fine mist for the user to inhale. The design of disposable e-cigarettes, often featuring dual flavor options, aims to mimic the smoking experience of traditional cigarettes while reducing the harmful substances produced during combustion.

[0003] The atomizer core assembly inside an e-cigarette is its core component. When powered on, the atomizer core assembly heats up the e-liquid, producing vapor for the user to inhale. In related technologies, the outermost shell of the atomizer core assembly has an inlet hole. E-liquid in the oil reservoir enters the atomizer core assembly through this inlet hole and is absorbed by the oil-wicking cotton.

[0004] However, this results in the wicking cotton near the oil inlet vent absorbing more e-liquid, while the wicking cotton further away from the oil inlet vent absorbs less e-liquid, leading to uneven e-liquid penetration and affecting the user's taste. Utility Model Content

[0005] This application proposes an atomizing core assembly and an electronic cigarette, aiming to provide an atomizing core assembly that allows e-liquid to penetrate the wicking cotton more evenly.

[0006] One embodiment of this application provides an atomizing core assembly, including: The housing has a first accommodating cavity, and at least one oil inlet is provided on one side of the housing, the oil inlet communicating with the first accommodating cavity. At least one flow channel is formed on the inner peripheral wall of the housing, and the flow channel is connected to at least one of the oil inlets. A first oil-guiding cotton is provided in the first accommodating cavity; The heating element is used to heat the e-liquid that is conducted from the first oil-guiding cotton.

[0007] In one embodiment, the housing has a first end and a second end disposed opposite to each other along a first direction, the oil inlet is located between the first end and the second end, and the flow channel extends along the first direction.

[0008] In one embodiment, the flow channel is spirally arranged along the inner peripheral wall of the housing and around the first direction.

[0009] In one embodiment, the housing is provided with four oil inlets, which are evenly arranged around the housing; the inner peripheral wall of the housing is provided with four flow channels, each of which is connected to one of the oil inlets.

[0010] In one embodiment, the atomizing core assembly further includes a bracket, the bracket being disposed in the first receiving cavity, and the first oil-guiding cotton being sleeved on the bracket; The bracket forms a second receiving cavity, the heating element is disposed in the second receiving cavity, and the bracket has an oil passage hole for connecting the first oil-guiding cotton and the second receiving cavity.

[0011] In one embodiment, the atomizing core assembly further includes a second oil-guiding cotton, which is disposed in the second receiving cavity and covers the heating element.

[0012] In one embodiment, each of the oil passage holes is arranged opposite to one of the oil inlet holes.

[0013] In one embodiment, the heating element is a heating mesh, which is used to be electrically connected to an external circuit.

[0014] In one embodiment, the atomizing core assembly further includes a fixing member disposed within the second oil-guiding cotton, the fixing member being used to fix the heating element.

[0015] One embodiment of this application also proposes an electronic cigarette comprising the atomizing core assembly as described above.

[0016] The technical solution provided in this application proposes an atomizing core assembly and an electronic cigarette. The atomizing core assembly includes a shell, a first wicking cotton, and a heating element. The shell has an oil inlet hole, through which e-liquid in the wicking cotton enters the shell. The e-liquid entering the shell through the oil inlet hole permeates through a guide channel formed on the inner peripheral wall of the shell. The guide channel assists the e-liquid in flowing, thus directing it away from the oil inlet hole. The inner peripheral wall of the shell is provided with a ring of first wicking cotton, which allows the e-liquid to permeate evenly through the guide channel. When the heating element heats the wicking cotton, the e-liquid is evenly distributed, resulting in a consistent evaporation rate and a uniform atomization temperature field. This effectively suppresses dry burning, scorching, and aerosol concentration fluctuations, improving atomization stability and consistency with the user's taste. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments or prior art of this application, the drawings used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of the atomizing core assembly provided in this application; Figure 2 for Figure 1 Cross-sectional view of the mid-atomizer core assembly; Figure 3 This is a schematic diagram of the housing structure in the atomizer core assembly; Figure 4 This is an exploded view of the atomizing core assembly provided in this application.

[0019] Explanation of icon numbers: 100. Atomizer core assembly; 1. Housing; 11. First end; 12. Second end; 1a. Oil inlet; 1a1. Flow channel; 1b. First receiving cavity; 2. First oil guide cotton; 3. Heating element; 4. Bracket; 4a. Oil passage hole; 4b. Second receiving cavity; 5. Second oil guide cotton; 6. Fixing component. Detailed Implementation

[0020] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings of several embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0021] It should be noted that if multiple embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0022] Furthermore, if multiple embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text implies three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0023] Electronic cigarettes (Electronic Nicotine Delivery Systems, ENDS) are electronic products that use electricity to drive a heating element to atomize liquid e-liquid into an inhalable aerosol. Their design aims to simulate the sensory experience of traditional cigarettes while significantly reducing tar, carbon monoxide, and various carcinogens produced by tobacco combustion. A typical electronic cigarette structure includes a power management module, a control circuit, an e-liquid storage unit, and an atomizing core assembly 100. The atomizing core assembly 100 is the core functional unit, typically consisting of a housing 1, an e-liquid guide, and a heating element 3. An e-liquid inlet 1a is formed in the peripheral wall of the housing 1. E-liquid from the e-liquid storage cotton or storage chamber enters the housing 1 through this inlet under capillary action and is adsorbed by the e-liquid guide (usually cotton fiber or porous ceramic). When the heating element 3 is powered on, it heats up to 200-250°C, causing the adsorbed e-liquid to rapidly evaporate and form an aerosol.

[0024] The atomizing core assembly 100 inside the electronic cigarette is its core component. When powered, the atomizing core assembly 100 heats up the e-liquid to produce vapor, which the user inhales. In related technologies, the outermost shell 1 of the atomizing core assembly 100 has an inlet hole 1a. E-liquid in the oil reservoir cotton enters the interior of the atomizing core assembly 100 through the inlet hole 1a and is absorbed by the wicking cotton. However, this results in the wicking cotton near the inlet hole 1a absorbing more e-liquid, while the wicking cotton farther from the inlet hole 1a absorbs less, leading to uneven e-liquid penetration and affecting the user's taste.

[0025] To address the aforementioned issues, this application proposes an atomizing core assembly 100 to solve the technical problems mentioned above.

[0026] Please see Figure 1In one embodiment of this application, the atomizing core assembly 100 includes a housing 1, a first oil-guiding cotton 2, and a heating element 3. The housing 1 forms a first receiving cavity 1b, and at least one oil inlet hole 1a is provided on one side of the housing 1, which communicates with the first receiving cavity 1b. At least one flow channel 1a1 is formed on the inner peripheral wall of the housing 1, and the flow channel 1a1 communicates with at least one oil inlet hole 1a. The first oil-guiding cotton 2 is disposed in the first receiving cavity 1b, and the heating element 3 is used to heat the e-liquid conducted from the first oil-guiding cotton 2.

[0027] The technical solution provided in this application proposes an atomizing core assembly 100 and an electronic cigarette. The atomizing core assembly 100 includes a shell 1, a first oil-guiding cotton 2, and a heating element 3. The shell 1 is provided with an oil inlet 1a. E-liquid in the oil-guiding cotton enters the interior of the shell 1 through the oil inlet 1a. The e-liquid entering the interior of the shell 1 through the oil inlet 1a will permeate through the guide channel 1a1 formed on the inner peripheral wall of the shell 1. The guide channel 1a1 can assist the e-liquid in flowing, so that it flows away from the oil inlet 1a. The inner peripheral wall of the shell 1 is provided with a ring of first oil-guiding cotton 2. E-liquid can be assisted by the guide channel 1a1 to permeate the first oil-guiding cotton 2 evenly. When the heating element 3 heats the oil-guiding cotton, because the distribution of e-liquid is relatively uniform, the evaporation rate of e-liquid is consistent when the heating element 3 heats, the atomization temperature field is uniform, effectively suppressing dry burning, scorching and aerosol concentration fluctuations, and improving atomization stability and consistency with the user's taste.

[0028] It should be noted that this application does not limit the width, depth, extension direction, or specific shape of the flow channel 1a1. The channel cross-section can be flexibly adjusted according to the e-liquid viscosity and atomization power, and it can be arranged to fit different shell lengths, diameters, and shapes. Axial straight grooves, spiral grooves, or multi-segment bifurcations can all be integrally formed, with minimal mold modifications and strong compatibility. This allows the same technical solution to cover multiple specifications of atomizing cores, significantly reducing development costs and shortening the iteration cycle.

[0029] In one embodiment of this application, the housing 1 has a first end 11 and a second end 12 disposed opposite to each other along a first direction, an oil inlet 1a is located between the first end 11 and the second end 12, and a guide channel 1a1 extends along the first direction. For details, please refer to further reading. Figure 3 The linear flow channel 1a1 runs through both ends of the shell 1 along the first direction, simplifying the molding process. It can be demolded in one go or processed by linear cutting, reducing mold complexity and manufacturing costs. At the same time, it provides the shortest and smoothest capillary path, minimizing the pressure drop and maximizing the flow rate of e-liquid within the channel. This allows for rapid axial transport of e-liquid from the inlet hole 1a to the far end, shortening the soaking time, ensuring synchronous saturation of the first oil-guiding cotton 2 along its entire length, reducing the difference in e-liquid supply between the near and far ends, and improving atomization consistency and flavor stability.

[0030] In another embodiment of this application, the flow channel 1a1 is spirally arranged on the inner peripheral wall of the housing 1 in a first direction. The spiral flow channel 1a1 significantly increases the effective flow path and capillary action area within the same axial length, causing the e-liquid to be subjected to tangential force and centrifugal wetting multiple times during the circulation process, accelerating the oil supply speed away from the oil inlet 1a area; at the same time, the spiral ribs provide multi-point support for the first oil-guiding cotton 2, preventing the cotton from collapsing and blocking the channel, and enhancing the radial rigidity of the housing 1; this structure can achieve longer and more uniform oil delivery without additional thickness, further improving the circumferential wetting consistency of the atomizing core and reducing the risk of dry burning and scorching.

[0031] It should be noted that the number of oil inlet holes 1a on the housing 1 can be one, two or more. To ensure the uniform wetting of the first oil-guiding cotton 2, the housing 1 is provided with four oil inlet holes 1a. For details, please refer to the following. Figure 3 Four oil inlet holes 1a are evenly arranged around the shell 1; the inner circumferential wall of the shell 1 is provided with four flow channels 1a1, each flow channel 1a1 connected to an oil inlet hole 1a. The four oil inlet holes 1a are evenly distributed around the circumference of the shell 1 and each is connected to an independent flow channel 1a1, forming a four-point synchronous oil supply network, which can inject e-liquid into the first oil-guiding cotton 2 at the same pressure and speed within a 360° range, eliminating the circumferential saturation gradient caused by a single hole; the channels and holes correspond one-to-one, so that the wetting path of each fan-shaped area is minimized and does not interfere with each other, even under high power and continuous vaping conditions, the oil content at the far end and near end can be kept consistent, significantly reducing the risk of local dry burning, scorching and flavor decay, and improving atomization stability and service life.

[0032] To fix and support the first oil-guiding cotton 2, the atomizing core assembly 100 also includes a bracket 4, which is disposed in the first receiving cavity 1b. The first oil-guiding cotton 2 is sleeved on the bracket 4. For details, please refer to further reading. Figure 2 The support 4 forms a second receiving cavity 4b inside, and the second receiving cavity 4b is provided with a second oil-guiding cotton 5. E-liquid flows from the first oil-guiding cotton 2, through the oil passage hole 4a on the support 4, and wets the second oil-guiding cotton 5 in the second receiving cavity 4b. The support 4 acts as a rigid frame, which not only prevents the first oil-guiding cotton 2 from collapsing or shifting, but also accurately guides the oil to the second receiving cavity 4b through the oil passage hole 4a, so that the second oil-guiding cotton 5 fits tightly with the heating element 3. The two-stage cotton body forms an "oil storage-oil locking-oil supply" gradient, which not only ensures the amount of oil required for instantaneous large vapor production, but also avoids excessive oil directly contacting the heating element 3 and causing oil splattering, thereby achieving stable atomization, extending lifespan, and improving the consistency of flavor.

[0033] The second oil-conducting cotton 5 covers the outer periphery of the heating element 3 and is in direct contact with the heating element 3. E-liquid permeates from the first oil-conducting cotton 2 to the second oil-conducting cotton 5, and finally comes into contact with the heating element 3 in the second oil-conducting cotton 5, where the temperature rises and atomization occurs.

[0034] Furthermore, the number and position of the oil passage holes 4a on the bracket 4 correspond to the oil inlet holes 1a on the housing 1, thus forming an isobaric oil channel that directly connects the oil inlet holes 1a and the oil passage holes 4a. This minimizes the path and resistance of the e-liquid from the housing 1 to the bracket 4 and then to the second oil guide cotton 5. Each channel does not interfere with the others, ensuring synchronous circumferential oil supply, avoiding local overload or oil shortage, further improving the uniformity of wetting and the consistency of atomization, while reducing the processing difficulty, facilitating one-time alignment and forming, and improving assembly efficiency.

[0035] It should be noted that the heating element 3 can be a disc-shaped heating wire or a heating mesh. This application does not limit this. In one embodiment of this application, the heating element 3 is a heating mesh. The heating mesh and the second oil-guiding cotton 5 are in surface-to-surface contact. The heat flux per unit area is high and evenly distributed. It can heat up instantly and evaporate a larger area of ​​e-liquid simultaneously, improving atomization efficiency and vapor production. At the same time, the mesh is thin and has a small heat capacity, resulting in a fast response speed. Vapor can be produced on the first puff, and the risk of local overheating is reduced. It effectively suppresses burnt taste and harmful byproducts, achieving a fast atomization experience with a pure taste and good consistency.

[0036] In one embodiment of this application, the atomizing core assembly 100 further includes a fixing member 6, which is disposed within the second oil-guiding cotton 5. The fixing member 6 is used to fix the heating element 3. For details, please refer to further reading. Figure 4 The fixing part 6 is embedded inside the second oil-guiding cotton 5. The cotton body itself forms a flexible clamp for the heating mesh pins, which can prevent the mesh from moving axially and rotating circumferentially without the need for additional metal clips or welding. During assembly, the mesh is automatically aligned by simply inserting it, which simplifies the process and avoids poor soldering. At the same time, the cotton body buffers vibration and impact, reduces the risk of pin breakage, and improves the reliability of electrical connection and the life of atomizing core.

[0037] This application also proposes an electronic cigarette, which includes an atomizing core assembly 100. The specific structure of the atomizing core assembly 100 is as described in the above embodiments. Since this electronic cigarette adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0038] The above description is merely an exemplary embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the technical concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. An atomizing core assembly, characterized in that, include: The housing has a first accommodating cavity, and at least one oil inlet is provided on one side of the housing, the oil inlet communicating with the first accommodating cavity. At least one flow channel is formed on the inner peripheral wall of the housing, and the flow channel is connected to at least one of the oil inlets. A first oil-guiding cotton is provided in the first accommodating cavity; The heating element is used to heat the e-liquid that is conducted from the first oil-guiding cotton.

2. The atomizing core assembly as described in claim 1, characterized in that, The housing has a first end and a second end disposed opposite to each other along a first direction, the oil inlet is located between the first end and the second end, and the flow guide channel extends along the first direction.

3. The atomizing core assembly as described in claim 1, characterized in that, The flow channel is spirally arranged along the inner peripheral wall of the housing and around the first direction.

4. The atomizing core assembly as described in any one of claims 1 to 3, characterized in that, The housing is provided with four oil inlet holes, which are evenly arranged around the housing; the inner peripheral wall of the housing is provided with four flow channels, each of which is connected to one of the oil inlet holes.

5. The atomizing core assembly as described in claim 4, characterized in that, The atomizing core assembly also includes a bracket, which is disposed in the first receiving cavity, and the first oil-guiding cotton is sleeved on the bracket; The bracket forms a second receiving cavity, the heating element is disposed in the second receiving cavity, and the bracket has an oil passage hole for connecting the first oil-guiding cotton and the second receiving cavity.

6. The atomizing core assembly as described in claim 5, characterized in that, The atomizing core assembly also includes a second oil-guiding cotton, which is disposed in the second receiving cavity and covers the heating element.

7. The atomizing core assembly as described in claim 5, characterized in that, Each of the oil passage holes is arranged opposite to one of the oil inlet holes.

8. The atomizing core assembly as described in any one of claims 1 to 3, characterized in that, The heating element is a heating mesh, which is used to electrically connect to an external circuit.

9. The atomizing core assembly as described in claim 6, characterized in that, The atomizing core assembly also includes a fixing member, which is disposed inside the second oil-guiding cotton and is used to fix the heating element.

10. An electronic cigarette, characterized in that, Includes the atomizing core assembly as described in any one of claims 1 to 9.

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