Electronic cigarette and its cartridge structure

Abstract

The present application discloses an electronic cigarette and a cigarette cartridge structure thereof. The cigarette cartridge structure for the electronic cigarette comprises: a shell, wherein the shell has a liquid storage chamber and an atomizing chamber; an atomizing core, wherein the atomizing core is arranged in the shell, wherein the atomizing core comprises a porous body and a heating element, wherein the porous body has a liquid absorption surface and an atomizing surface, wherein the liquid absorption surface is connected to the liquid storage chamber, wherein the heating element is arranged on the atomizing surface, wherein the atomizing surface is connected to the atomizing chamber, and wherein the atomizing core separates the liquid storage chamber from the atomizing chamber; and a lower cover, wherein the lower cover is arranged on the shell, wherein the atomizing chamber is located between the atomizing surface and the bottom surface of the lower cover, wherein a tubular protrusion facing the atomizing surface is formed on the bottom surface of the lower cover, wherein the tubular protrusion has a pipe side wall and a top end plate, wherein the tubular protrusion has an air intake pipe connected to the outside, wherein at least one air intake port is transversely opened on the pipe side wall, wherein the air intake pipe is connected to the atomizing chamber through the air intake port.

Description

Technical Field

[0001] The present application relates to the technical field of electronic cigarettes, and more specifically, to a cartridge structure for an electronic cigarette and an electronic cigarette having the cartridge structure. Background Art

[0002] As a healthy and convenient consumer product, electronic cigarettes have been favored by consumers in recent years and their use has become increasingly popular. Electronic cigarettes generally include a power supply component and an atomizer. After the power supply component supplies power to the atomizer, the atomizer heats the liquid in the electronic cigarette and atomizes it. The liquid is then converted into mist and inhaled by the user. When users smoke electronic cigarettes, they feel a similar feeling to "puffing out smoke" when smoking cigarettes. In recent years, electronic cigarettes have been favored by consumers for their convenience and low harm to the body.

[0003] In the prior art, the air inlet of the atomizer is usually arranged directly opposite to the atomizing surface of the atomizing core. In addition, the electronic cigarette product has a compact and small appearance design. Due to the above-mentioned design features, it is easy to cause the opening area of ​​the air inlet of the electronic cigarette to be small, and the gas can only flow to the center of the atomizing surface and mix with the smoke generated by the heating element located at the center. For the area on the atomizing surface far from the center, the degree of mixing of air and smoke is relatively uneven. This results in the limited uniformity of the smoke produced by the electronic cigarette, which is prone to the situation that the smoke is too thick or too thin, and the user experience is poor. Summary of the invention

[0004] One purpose of the present application is to provide a new technical solution for a cartridge structure of an electronic cigarette.

[0005] Another object of the present application is to provide an electronic cigarette.

[0006] According to a first aspect of the present application, an electronic cigarette atomization component is provided, comprising: a shell, wherein the shell has a liquid storage chamber and an atomization chamber; an atomization core, wherein the atomization core is arranged in the shell, the atomization core comprises a porous body and a heating element, the porous body has a liquid absorption surface and an atomization surface, the liquid absorption surface is communicated with the liquid storage chamber, the heating element is arranged on the atomization surface, the atomization surface is communicated with the atomization chamber, and the atomization core separates the liquid storage chamber from the atomization chamber; a lower cover, wherein the lower cover is arranged on the shell, the atomization chamber is located between the atomization surface and the bottom surface of the lower cover, a tubular protrusion facing the atomization surface is formed on the bottom surface of the lower cover, the tubular protrusion has a pipeline side wall and a top end plate, an air intake pipe connected to the outside is provided in the tubular protrusion, at least one air inlet is transversely opened on the pipeline side wall, and the air intake pipe is communicated with the atomization chamber through the air inlet.

[0007] According to one embodiment of the present application, at least three air inlets are provided on the side wall of the pipe at intervals around the axis of the tubular protrusion.

[0008] According to one embodiment of the present application, the air inlet is opened along the transverse direction of the tubular protrusion.

[0009] According to one embodiment of the present application, the air inlet is opened on the side wall of the pipe at a position close to the top end plate.

[0010] According to one embodiment of the present application, an auxiliary notch is opened on the edge of the top plate at a position corresponding to the air inlet, the auxiliary notch is connected to the air inlet, and the auxiliary notch is configured to allow air passing through the air inlet to diffuse in the atomization chamber.

[0011] According to an embodiment of the present application, the top end plate is a flat plate structure; or, the top end plate is an arc-shaped surface with a central area protruding toward the atomization surface.

[0012] According to one embodiment of the present application, the tubular protrusion has a primary air intake side and a secondary air intake side, and the overall opening area of ​​the air intake port of the primary air intake side is larger than the overall opening area of ​​the air intake port of the secondary air intake side.

[0013] According to one embodiment of the present application, the number of the air intake ports opened on the primary air intake side is greater than or equal to the number of the air intake ports opened on the secondary air intake side.

[0014] According to one embodiment of the present application, the air inlet includes a first air inlet and a second air inlet, the first air inlet is located on the main air inlet side, the second air inlet is located on the secondary air inlet side, and an opening area of ​​the second air inlet is smaller than an opening area of ​​the first air inlet.

[0015] According to one embodiment of the present application, the air inlet includes two first air inlets and two second air inlets; the two first air inlets are spaced apart around the axis of the tubular protrusion on the main air inlet side, and the angle between the two first air inlets relative to the axis is less than or equal to 90°; the two second air inlets are spaced apart around the axis of the tubular protrusion on the secondary air inlet side, and the angle between the two second air inlets relative to the axis is less than or equal to 90°.

[0016] According to one embodiment of the present application, the tubular protrusion is located at the center of the bottom surface of the lower cover.

[0017] According to a second aspect of the present application, an electronic cigarette is further provided, comprising: any one of the above-mentioned cartridge structures; and a cigarette rod structure, wherein the cigarette rod structure is detachably connected to the lower cover.

[0018] According to an embodiment of the present disclosure, external air can diffuse from the side of the tubular protrusion to the atomization chamber, so that the gas can pass through the edge area of ​​the atomization chamber, thereby improving the mixing uniformity of air and smoke.

[0019] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.

[0021] Figure 1 It is a schematic cross-sectional assembly diagram of a cartridge structure for an electronic cigarette provided in the present application;

[0022] Figure 2 It is an exploded view of the structure of the cartridge for the electronic cigarette provided by the present application;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the shell of the cartridge structure for the electronic cigarette provided by the present application;

[0024] Figure 4 It is a structural schematic diagram of a shell of a cigarette cartridge structure for an electronic cigarette provided in the present application;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the lower cover of the cartridge structure for the electronic cigarette provided by the present application;

[0026] Figure 6 It is a top view of the lower cover of the cartridge structure for an electronic cigarette provided by the present application;

[0027] Figure 7 It is a partial cross-sectional view at one angle of the lower cover of the cartridge structure for an electronic cigarette provided by the present application;

[0028] Figure 8 This is a cross-sectional view at another angle of the lower cover of the cigarette cartridge structure for the electronic cigarette provided in the present application.

[0029] Reference numerals

[0030] 1-shell; 11-air outlet channel; 101-liquid storage chamber; 102-atomization chamber; 12-support ribs;

[0031] 2-Lower cover;

[0032] 21-air inlet channel; 211-first air inlet; 212-auxiliary notch; 213-second air inlet;

[0033] 22- tubular protrusion; 221- pipe side wall; 222- top plate; 223- air intake pipe;

[0034] 31-porous body; 32-heat generating body;

[0035] 4- atomizer core seal; 5- conductive nail; c- center axis. DETAILED DESCRIPTION

[0036] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application.

[0037] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present application, its application, or uses.

[0038] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0039] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0040] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0041] The following describes the cartridge structure for an electronic cigarette according to an embodiment of the present application in conjunction with the accompanying drawings.

[0042] According to one embodiment of the present disclosure, a cartridge structure for an electronic cigarette is provided, such as Figures 1 to 8 As shown, the cigarette cartridge structure for the electronic cigarette includes: a shell 1, an atomizing core and a lower cover 2.

[0043] The housing 1 has a liquid storage chamber 101 and an atomization chamber 102 . The liquid storage chamber 101 is used to contain liquid such as tobacco oil.

[0044] The atomization core is located in the shell 1, and the atomization core includes a porous body 31 and a heating element 32 arranged on the porous body 31. The porous body 31 is used to infiltrate and absorb the smoke liquid. The porous body 31 has a liquid absorption surface and an atomization surface. The liquid absorption surface is connected to the liquid storage chamber 101 so as to contact and absorb the liquid in the liquid storage chamber 101. The atomization surface is connected to the atomization chamber 102. The atomization core separates the liquid storage chamber 101 from the atomization chamber 102. The heating element 32 is arranged on the atomization surface. The heating element 32 can emit heat under certain conditions, such as generating heat when powered on. The heat emitted by the heating element 32 can heat and atomize the smoke liquid conducted from the porous body 31 to the atomization surface, forming smoke that enters the atomization chamber 102, and enters the air outlet channel 11 of the shell 1 through the atomization chamber 102, so as to be inhaled by the user.

[0045] like Figure 1 and Figure 2 As shown, a lower cover 2 is also provided on the housing 1, that is, the lower cover 2 is covered on the housing 1. At least a portion of the lower cover 2 can be inserted into the interior of the housing 1, or at least a portion of the lower cover 2 can be sleeved on the exterior of the housing 1, which is not limited here. Optionally, after the lower cover 2 is installed on the housing 1, the area between the atomization surface and the lower cover 2 constitutes an atomization chamber 102. The lower cover 2 can support the atomization core. In an optional embodiment, the upper portion of the housing 1 is provided with an air outlet channel 11, and the lower portion of the housing 1 is open. The lower cover 2 is covered on the lower portion of the housing 1. That is, the atomization chamber 102 is located between the atomization surface and the bottom surface of the lower cover 2. The atomization chamber 102 can be closed by setting the lower cover 2.

[0046] like Figure 1 and Figure 2 As shown, a tubular protrusion 22 facing the atomizing surface is formed on the bottom surface of the lower cover 2. The bottom surface of the lower cover 2 can be a surface arranged opposite to the atomizing surface. In other words, a tubular protrusion 22 is provided between the bottom surface of the lower cover 2 and the atomizing surface. The tubular protrusion 22 can be a columnar member. In other embodiments, the tubular protrusion 22 can also be a conical structure, or a rectangular protrusion or a trapezoidal protrusion. The inside of the tubular protrusion 22 has an air inlet passage 21 connected to the outside. One end of the tubular protrusion 22 along its axial direction is arranged on the bottom surface of the lower cover 2, and the other end of the tubular protrusion 22 along its axial direction extends toward the direction where the atomizing surface is located.

[0047] like Figure 8As shown, the tubular protrusion 22 has a pipeline side wall 221 and a top plate 222. That is to say, the outer surface of the tubular protrusion 22 may include a side surface and a top surface. The surface of the pipeline side wall 221 corresponds to the side surface. The top plate 222 corresponds to the top surface. Optionally, when the tubular protrusion 22 extends along the Z direction, the pipeline side wall 221 extends along the Z direction, the lower end of the pipeline side wall 221 is connected to the bottom surface of the lower cover 2, and the upper end of the pipeline side wall 221 is arranged opposite to the atomization surface. The top plate 222 is arranged at the upper end of the pipeline side wall 221 and is arranged opposite to the atomization surface. The top plate 222 can extend in the direction of the XY plane, or it can be arranged at an inclination relative to the XY plane.

[0048] like Figure 8 As shown, the tubular protrusion 22 has an air intake duct 223 connected to the outside. When the tubular protrusion 22 extends along the Z direction, the tubular protrusion 22 can be in a structure with an open bottom. Air can enter the tubular protrusion 22 from the lower end of the tubular protrusion 22.

[0049] like Figure 7 As shown, at least one air inlet is provided on the side wall 221 of the pipe, and the air inlet pipe 223 is connected to the atomizing chamber 102 through the air inlet. An air inlet that passes through the side wall is provided on the side wall of the tubular protrusion 22. One end of the air inlet is connected to the atomizing chamber 102, and the other end of the air inlet is connected to the inside of the air inlet pipe 223. The overall air flow path of the cigarette cartridge structure can be: air enters the air inlet pipe 223 from the lower end of the tubular protrusion 22, and enters the atomizing chamber 102 from the air inlet pipe 223 through the air inlet, and after entering the atomizing chamber 102, it mixes with the smoke, and the smoke mixed with the air flows out of the air outlet channel 11, and is finally inhaled by the user through the air outlet channel 11.

[0050] By providing an air inlet on the side wall 221 of the pipe, the extension direction of the air inlet can be roughly horizontal or inclined upward. This arrangement allows the gas in the air inlet pipe 223 to flow out of the air inlet roughly to the side of the tubular protrusion 22. That is, the outside air flows to the air inlet pipe 223 along the first direction, deflects or bends in the air inlet pipe 223, passes through and flows out of the air inlet along the second direction. Subsequently, it disperses from the air inlet to the side of the tubular protrusion 22 and expands to the atomization chamber 102, so that the air is more fully mixed with the smoke in the atomization chamber 102.

[0051] In an optional embodiment, the air inlet is staggered from the center of the atomizing surface and corresponds to an area on the atomizing surface away from the center. The corresponding position here means a position on the atomizing surface directly opposite to the air inlet or a position on the atomizing surface closer to the air inlet.

[0052] The air inlet in the present application is provided on the pipe side wall 221, and the flow direction of the gas flowing out of the air inlet is different from the flow direction of the gas flowing into the air inlet pipe 223, so that the smoke and gas in the area on the side of the tubular protrusion 22 in the atomizing chamber 102 can be fully mixed. The present application can not only avoid the formation of dead corners of air circulation in the area outside the center of the atomizing surface, but also fully mix the air and smoke, and can also control the area where the gas flows through the atomizing surface by dispersing the air from the side and extending it to the atomizing chamber 102.

[0053] For example, for a variety of heating areas with different shapes, by adjusting the position of the air inlet on the pipe side wall 221, the gas can be made to flow mainly to the position corresponding to the heating area. The heating area on the atomization surface is mainly formed by the heating element 32. When at least a part of the heating element 32 deviates from the center position of the atomization surface, the gas flowing out of the air inlet can also mainly flow to the position where the heating element 32 is located. It should be noted that since the temperature in the heating area is relatively high, the rate at which the smoke oil is heated to form an aerosol is also relatively fast. By making the gas flow to the heating area, the outside air can be quickly mixed with the smoke generated by the heating element 32, and quickly flow to the air outlet channel 11 of the shell 1.

[0054] In addition, the number of air inlets is at least one. When the number of air inlets is one, the air inlet can be set corresponding to the heating area. When the number of air inlets is multiple, such as 2, 3, 4 or more, the total number of air inlets is not limited to an odd number or an even number, nor is it limited whether the centers of the multiple air inlets are located in the same horizontal plane, nor is it limited to whether the multiple air inlets are arranged in a symmetrical manner or in an asymmetrical manner. By increasing the number of air inlets, not only can the diversion of air flow be achieved, but it is also conducive to the design of more diverse heating areas, ensuring the uniformity of gas mixing at multiple positions in the heating area.

[0055] In addition, in the embodiment of the present application, when the airflow enters the air inlet duct 223, it will be blocked by the top plate 222. Then, the airflow flows from the air inlet to the side of the atomization chamber 102. This air path layout will not cause the airflow to produce obvious vortices, and the air flow can flow into the atomization chamber 102 in a relatively gentle state, and the vibration sound caused by collision with the walls of the surrounding parts is small. In other words, the cigarette cartridge structure of the present application can significantly improve the noise problem generated when the user smokes.

[0056] In this embodiment, the cartridge structure for electronic cigarettes allows external air to diffuse from the side of the tubular protrusion 22 to the atomizing core, allowing the gas to pass through the area in the atomizing chamber 102 away from the center of the atomizing surface, thereby improving the mixing uniformity of air and smoke. In addition, by opening the air inlet laterally on the side wall 221 of the pipe, the noise problem generated when the user inhales can be significantly improved.

[0057] In one embodiment, Figure 5 As shown, at least three air inlets are provided on the pipe side wall 221 at intervals around the axis of the tubular protrusion 22 .

[0058] In this embodiment, air can enter from the air inlet pipe 223, and then flow out from any one of the three air inlets to the atomizing chamber 102. By providing more than three air inlets, on the one hand, the volume of air entering the atomizing chamber 102 per unit time can be increased by increasing the number of air inlets; on the other hand, the mixing area of ​​smoke and air in the atomizing chamber 102 can be expanded by providing at least three air inlets. For example, the tubular protrusion 22 extends along the Z direction, and three air inlets are provided on the tubular protrusion 22, and the three air inlets can be spaced apart and distributed around the Z axis. The gas in the air inlet pipe 223 can flow out from each air inlet at the same time.

[0059] In one embodiment, Figure 5 and Figure 7 As shown, the air inlet is opened along the lateral direction of the tubular protrusion 22, that is, the extension direction of the air inlet is perpendicular to the Z direction of the tubular protrusion 22, and it extends along the lateral direction. The lateral air inlet can better improve the degree of uniform mixing of the air and smoke entering the atomizing chamber 102. In addition, the flow path of the air in the atomizing chamber 102 can be extended to achieve the purpose of sufficient mixing.

[0060] In one embodiment, Figure 7 As shown, the air inlet is opened on the pipe side wall 221 at a position close to the top end plate 222 .

[0061] In this embodiment, the air inlet is provided on the pipe side wall 221 and is relatively close to the end position of the pipe side wall 221. For example, the pipe side wall 221 extends along the Z direction, the top plate 222 is located at the upper end of the pipe side wall 221, and the air inlet is provided at the upper part of the pipe side wall 221 and is close to the top plate 222. Optionally, the air inlet is provided at the upper edge of the pipe side wall 221. By providing the air inlet at a position close to the top plate 222 on the pipe side wall 221, the air inlet can be closer to the central area of ​​the atomizing chamber 102 as a whole, and the air flowing into the atomizing chamber 102 from the air inlet can flow to the surroundings, and then flow better to various areas of the atomizing chamber 102, so that the air and the smoke in the atomizing chamber 102 are evenly mixed.

[0062] In one embodiment, Figure 5 and Figure 7 As shown, at a position corresponding to the air inlet, an auxiliary notch 212 is opened on the edge of the top plate 222 , the auxiliary notch 212 is connected to the air inlet, and the auxiliary notch 212 is configured to allow air passing through the air inlet to diffuse in the atomization chamber 102 .

[0063] Optionally, refer to Figure 7 As shown, the position of the air inlet on the tubular protrusion 22 is close to the top plate 222, that is, the air inlet as a whole is relatively close to the top of the tubular protrusion 22. An auxiliary notch 212 may be provided at the edge of the top plate 222, and the position of the auxiliary notch 212 corresponds to the position of the first air inlet 211. The auxiliary notch 212 may be a rectangular notch formed on the top plate, refer to Figure 5 As shown, it can also be a semicircular notch. The auxiliary notch 212 does not allow the air inlet to open directly in the direction of the top plate 222, that is, the auxiliary notch 212 will not open the air inlet upward. The function of the auxiliary notch 212 is that after the air enters the atomizing chamber 102 horizontally from the air inlet, the auxiliary notch 212 forms a avoidance for the flow path of the air, and the air can flow smoothly in an oblique upward direction. In this way, the air can flow obliquely upward directly toward the side wall direction of the atomizing chamber 102, and the air can flow directly into the area filled with smoke. The auxiliary notch 212 plays a role in increasing the direction of air diffusion and can slightly change the flow direction of the air. Compared with the top plate 222 without the auxiliary notch 212, the auxiliary notch 212 can be used to avoid the oblique deflection of the air from the top plate. The auxiliary notch 212 can be used to adjust the degree of mixing between different positions on the atomizing chamber 102 and the gas, further improving the mixing uniformity of the gas and the smoke.

[0064] In one embodiment, the top plate 222 is a flat plate structure; or Figure 8 As shown, the top plate 222 is an arc-shaped surface with a central area convex toward the atomization surface.

[0065] In this embodiment, the top surface can be a flat plate structure or an arcuate surface. When the top surface is a flat plate structure, the top plate 222 can be a flat plate extending along the XY plane, or a flat plate inclined relative to the XY plane, which is not limited here. When the top plate 222 is an arcuate plate, that is, the end surface of the top plate 222 facing the atomization surface is an arcuate surface. The arcuate surface can be convex toward the atomization surface. The edge of the arcuate surface can be docked with the pipe side wall 221. By limiting the various forms of the top plate 222, the scope of application of the top plate 222 can be expanded, and it can be used for various types of cigarette cartridge structures.

[0066] In addition, when the top plate 222 is a flat plate structure, the edge of the top plate 222 can be provided with an auxiliary notch 212 connected to the air inlet. Specifically, it can be provided in the connection area between the top plate 222 and the pipe side wall 221. Since the top plate 222 is a planar structure, the auxiliary notch 212 provided on the top plate 222 can extend along the plane. When the top plate 222 is an arc surface, the auxiliary notch 212 can also be provided at the edge of the arc surface. Since the arc surface has a certain curvature, the auxiliary notch 212 provided on the top plate 222 can extend along the arc surface.

[0067] In one embodiment, the tubular protrusion 22 has a primary air intake side and a secondary air intake side, and the overall opening area of ​​the air intake port of the primary air intake side is larger than the overall opening area of ​​the air intake port of the secondary air intake side.

[0068] In this embodiment, the overall opening area can be the sum of the areas of each air inlet. For example, the overall opening area of ​​the air inlet on the main air inlet side can be the sum of the opening areas of each air inlet on the main air inlet side. Similarly, the overall opening area of ​​the air inlet on the auxiliary air inlet side can be the sum of the opening areas of each air inlet on the auxiliary air inlet side. That is to say, per unit time, the amount of gas flowing out from the main air inlet side is greater than the amount of gas flowing out from the auxiliary air inlet side. When the heating element 32 is set, the heating element 32 can be directly opposite or relatively close to the main air inlet side. It should be noted that by setting the auxiliary air inlet side, a certain amount of gas can also pass through the area in the atomization chamber 102 away from the heating element 32, thereby avoiding the formation of airflow dead corners near the area on the atomization surface away from the heating element 32, which leads to poor airflow and uneven mixing of air and smoke.

[0069] In one embodiment, the number of the air intake ports opened on the primary air intake side is greater than or equal to the number of the air intake ports opened on the secondary air intake side.

[0070] In this embodiment, the number of air inlets opened on the main air intake side may be N1, and the number of air inlets opened on the secondary air intake side may be N2. In this embodiment, the size relationship between the opening area of ​​a single air inlet on the main air intake side and the opening area of ​​a single air inlet on the secondary air intake side may not be limited. For example, when the average opening area S1 of the air inlets on the main air intake side is smaller than the average opening area S2 of the air inlets on the secondary air intake side, S1*N1>S2*N2. By limiting the number of air inlets opened on the main air intake side to be greater than the number of air inlets opened on the secondary air intake side, it is helpful to ensure that the amount of gas on the main air intake side is greater than the amount of gas on the secondary air intake side per unit time.

[0071] In one embodiment, Figure 5As shown, the air inlet includes a first air inlet 211 and a second air inlet 213 . The first air inlet 211 is located on the main air inlet side, and the second air inlet 213 is located on the auxiliary air inlet side. The opening area of ​​a single second air inlet 213 is smaller than the opening area of ​​a single first air inlet 211 .

[0072] Since the opening area of ​​the single first air inlet 211 is larger than the opening area of ​​the single second air inlet 213, the volume of the gas flowing out from the main air inlet side is larger than the volume of the gas flowing out from the auxiliary air inlet side per unit time. That is, when the air inlet pipe 223 flows out through the air inlet, the volume of the gas flowing out from the first air inlet 211 is larger than the volume of the gas flowing out from the second air inlet 213 per unit time. Thus, the amount of gas flowing from the main air inlet side to the corresponding position of the atomizing chamber 102 per unit time is increased.

[0073] In one embodiment, Figure 5 As shown, the air inlet includes two first air inlets 211 and two second air inlets 213. The four air inlets are divided into two first air inlets 211 and two second air inlets 213. The opening area of ​​a single first air inlet 211 is larger than the opening area of ​​a single second air inlet 213. That is, the total area of ​​the two first air inlets 211 is larger than the opening area of ​​the two second air inlets 213. In the same time period, the volume of the gas flowing out of the two first air inlets 211 is larger than the volume of the gas flowing out of the two second air inlets 213.

[0074] The two first air inlets 211 are spaced apart and distributed around the axis of the tubular protrusion 22 on the main air inlet side, and the angle between the two first air inlets 211 and the axis is less than or equal to 90°.

[0075] By arranging two first air inlets 211 on the main air inlet side, the volume of gas flowing from the main air inlet side to the atomizing chamber 102 in the same time period can be increased. When arranging, the two first air inlets 211 can be spaced apart and distributed. By arranging the two first air inlets 211 apart and distributed, the gas flowing from the main air inlet side to the atomizing chamber 102 can be made more uniform and gentle on the basis of increasing the air intake per unit time.

[0076] In addition, the two first air inlets 211 are spaced apart around the axis of the tubular protrusion 22. For example, when the tubular protrusion 22 extends along the Z direction, the two first air inlets 211 are spaced apart around the Z axis, which is conducive to reducing the difficulty of controlling the position of the first air inlet 211 when the two first air inlets 211 are opened on the main air inlet side, and is conducive to mass production.

[0077] On the basis that the two first air inlets 211 are spaced apart around the axis of the tubular protrusion 22, the angle between the two first air inlets 211 and the axis is less than or equal to 90°. That is, the angle between the two first air inlets 211 and the axis can be 90° or less than 90°.

[0078] When calculating the angle between the two first air inlets 211 and the axis, a virtual line may be connected between the center position of each first air inlet 211 and the axis, and the virtual line is perpendicular to the axis. The angle between the two virtual lines is the angle between the two first air inlets 211 and the axis. In addition, when the first air inlet 211 is a regular shape, the center position of the first air inlet 211 may be the geometric center of the first air inlet 211. When the first air inlet 211 is an irregular shape, the center position of the first air inlet 211 may be the center of gravity of the virtual surface that completely fills the first air inlet 211.

[0079] When the angle between the two first air inlets 211 and the axis is less than 90°, for example, the angle between the two first air inlets 211 and the axis is 15°, 30°, 45° or 60°, the two first air inlets 211 are relatively close, so that the gas flowing out of the main air inlet side can be more concentrated.

[0080] The two second air inlets 213 are spaced apart on the secondary air inlet side around the axis of the tubular protrusion 22, and the angle between the two second air inlets 213 and the axis is less than or equal to 90°. The positions and mutual relationships of the two second air inlets 213 on the secondary air inlet side are similar to the positions and mutual relationships of the two first air inlets 211 on the primary air inlet side, and are not described in detail here.

[0081] It should be noted that the two first air inlets 211 and the two second air inlets 213 are independent of each other. For example, when the angle between the two first air inlets 211 and the axis spacing is less than 90°, the angle between the two second air inlets 213 and the axis spacing is less than 90° or equal to 90°. Similarly, when the angle between the two first air inlets 211 and the axis spacing is equal to 90°, the angle between the two second air inlets 213 and the axis spacing is less than 90° or equal to 90°. By arranging the two first air inlets 211 and the two second air inlets 213 independently of each other, it is helpful to increase the diversity of the positions of the first air inlets 211 and the second air inlets 213, and can be flexibly adjusted according to actual product requirements.

[0082] Among them, when the angle between the two first air inlets 211 and the axis spacing is 90 degrees, and the angle between the two second air inlets 213 and the axis spacing is 90 degrees, the angle between any one of the two first air inlets 211 and the adjacent second air inlet 213 and the axis spacing is also 90 degrees, and the angle between any one of the two second air inlets 213 and the adjacent first air inlet 211 and the axis spacing is also 90 degrees. For example, when the axis extends along the Z axis, and the centers of the two first air inlets 211 and the centers of the two second air inlets 213 are simultaneously located on the XY plane, one first air inlet 211 and one second air inlet 213 can be located on the X axis, and the other first air inlet 211 and the other second air inlet 213 can be located on the Y axis, and the origin of the intersection of the X axis and the Y axis is the location of the axis.

[0083] In this embodiment, four air inlets are provided, and the four air inlets are divided into two first air inlets 211 and two second air inlets 213. After the outside air enters the air inlet duct 223, most of the gas flows from the first air inlet 211 to the area corresponding to the atomization surface, and a small part of the gas flows from the second air inlet 213 to the area corresponding to the atomization surface. The heating element 32 can be mainly arranged in the area on the atomization surface corresponding to the first air inlet 211. The corresponding meaning here can be directly opposite or relatively close. For the convenience of description, the atomization surface can be divided into area A and area B. Among them, the heating element 32 is mainly located in area A. The first air inlet 211 is closer to area A. The second air inlet 213 is closer to area B. Most of the gas entering the air inlet duct 223 flows to area A through the first air inlet 211, can quickly mix with the aerosol formed in area A, and flow to the air outlet channel 11, and is inhaled by the user. A small part of the gas flows to area B through the second air inlet 213 to avoid forming an airflow dead angle in area B.

[0084] In one embodiment, Figure 6 As shown, the tubular protrusion 22 is located at the center of the bottom surface of the lower cover 2.

[0085] In this embodiment, when the bottom of the lower cover 2 is a homogeneous object, the center of the bottom surface is the geometric center of the bottom surface. When the bottom of the lower cover 2 is an object with uneven mass distribution, the center of the bottom surface is the center of gravity of the bottom surface. By setting the tubular protrusion 22 at the center position of the bottom surface of the lower cover 2, it is not only beneficial to the processing and setting of the tubular protrusion 22, but also beneficial to the overall symmetrical structure of the smoke bomb structure, thereby improving the appearance. In addition, when the lower cover 2 is assembled with the housing 1, it is beneficial to quickly plug the tubular protrusion 22 into the atomization chamber 102, and it is beneficial to define the positional relationship between the tubular protrusion 22, the air inlet and the atomization core.

[0086] In one embodiment, Figure 1 and Figure 2As shown, the lower cover 2 is also equipped with a conductive nail 5, which can be connected to the battery assembly to provide power to the heating element 32. In an optional embodiment, the number of the conductive nails 5 is two. The tubular protrusion 22 can be located in the middle of the line connecting the two conductive nails 5.

[0087] In one embodiment, Figure 1 and Figure 2 As shown, a support rib 12 is provided in the shell 1. The support rib 12 can extend along the length direction of the shell 1. The support rib 12 and the lower cover 2 form a limiting contact with the atomizer core from the upper and lower sides of the atomizer core respectively. Alternatively, under the premise that a sealing core seal is provided on the periphery of the atomizer core, the support rib 12 and the lower cover 2 form a limiting contact with the atomizer core seal 4 from the upper and lower sides of the atomizer core seal 4 respectively. In this way, the atomizer core can be reliably and stably positioned. There is no need to set other structures related to fixing the atomizer core between the shell 1 and the lower cover 2, which simplifies the internal structure of the electronic cigarette.

[0088] Compared with the prior art, in this embodiment, the middle cover, the upper cover and the upper cover sealing ring are eliminated, the parts in the atomizing chamber 102 are reduced, and the space of the atomizing chamber 102 is increased. In an optional embodiment, there are only the lower cover 2 and the conductive nail 5 in the atomizing chamber 102 of the present application. When the air flow flows into the atomizing chamber 102, it is not subjected to the collision and vibration of many parts, which can further improve the noise problem generated when the user inhales.

[0089] The present application also provides an electronic cigarette. The electronic cigarette includes the above-mentioned cigarette cartridge structure and cigarette rod structure. The cigarette rod structure is detachably connected to the lower cover 2. The electronic cigarette also includes an electrical component, which is electrically connected to the heating element 32, and the electrical component is configured to supply power to the heating element 32.

[0090] The cartridge structure atomizes a liquid matrix such as cigarette oil to produce aerosol (smoke), and the air in the atomization chamber 102 and the smoke generated by heating and atomization by the heating element 32 can be discharged through the air outlet channel 11 after mixing. The liquid matrix can be a cigarette oil such as cigarette oil, and the cigarette oil can be atomized by the cartridge structure to produce smoke.

[0091] In summary, the cartridge structure for an electronic cigarette and the electronic cigarette having the cartridge structure according to the embodiment of the present application can provide support for heating areas of various shapes, quickly guide the smoke generated in the heating area through the air outlet channel 11, and provide users with a better smoking experience.

[0092] Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are only for illustration, not for limiting the scope of the present application. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A cartridge structure for an electronic cigarette, characterized in that: include: A shell, wherein the shell has a liquid storage chamber and an atomization chamber; an atomizer core, the atomizer core is arranged in the shell, the atomizer core comprises a porous body and a heating element, the porous body has a liquid absorption surface and an atomization surface, the liquid absorption surface is communicated with the liquid storage cavity, the heating element is arranged on the atomization surface, the atomization surface is communicated with the atomization cavity, and the atomizer core separates the liquid storage cavity from the atomization cavity; A lower cover, wherein the lower cover is arranged on the housing, the atomizing chamber is located between the atomizing surface and the bottom surface of the lower cover, a tubular protrusion facing the atomizing surface is formed on the bottom surface of the lower cover, the tubular protrusion has a pipeline side wall and a top end plate, an air intake pipeline connected to the outside is arranged in the tubular protrusion, at least one air inlet is opened on the pipeline side wall, and the air intake pipeline is connected to the atomizing chamber through the air inlet; The air inlet is opened on the side wall of the pipe at a position close to the top plate. At a position corresponding to the air inlet, an auxiliary notch is opened on the edge of the top plate. The auxiliary notch is connected to the air inlet, and the auxiliary notch is configured to allow air passing through the air inlet to diffuse in the atomization chamber.

2. The cartridge structure for electronic cigarette according to claim 1, characterized in that: At least three air inlets are provided on the side wall of the pipe at intervals around the axis of the tubular protrusion.

3. The cartridge structure for electronic cigarette according to claim 1, characterized in that: The air inlet is opened along the transverse direction of the tubular protrusion.

4. The cartridge structure for electronic cigarette according to claim 1, characterized in that: The top end plate is a flat plate structure; Alternatively, the top end plate is an arc-shaped surface with a central area protruding toward the atomization surface.

5. The cartridge structure for electronic cigarette according to claim 1, characterized in that: The tubular protrusion has a main air intake side and a secondary air intake side, and the overall opening area of ​​the air intake port of the main air intake side is larger than the overall opening area of ​​the air intake port of the secondary air intake side.

6. The cartridge structure for electronic cigarette according to claim 5, characterized in that: The number of the air intake ports opened on the main air intake side is greater than or equal to the number of the air intake ports opened on the auxiliary air intake side.

7. The cartridge structure for electronic cigarette according to claim 5, characterized in that: The air inlet includes a first air inlet and a second air inlet, the first air inlet is located at the main air inlet side, the second air inlet is located at the auxiliary air inlet side, and an opening area of ​​the second air inlet is smaller than an opening area of ​​the first air inlet.

8. The cartridge structure for electronic cigarette according to claim 7, characterized in that: The air inlet comprises two of the first air inlets and two of the second air inlets; The two first air inlets are spaced apart and distributed around the axis of the tubular protrusion on the main air inlet side, and the angle between the two first air inlets and the axis is less than or equal to 90°; The two second air inlets are spaced apart and distributed around the axis of the tubular protrusion on the secondary air inlet side, and an angle between the two second air inlets and the axis is less than or equal to 90°.

9. The cartridge structure for electronic cigarette according to claim 1, characterized in that: The tubular protrusion is located at the center of the bottom surface of the lower cover.

10. An electronic cigarette, characterized in that: include: The cigarette cartridge structure according to any one of claims 1 to 9; A cigarette rod structure is detachably connected to the lower cover.

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