Portable electronic cigarette

Abstract

The utility model provides a portable electronic cigarette which comprises a shell support, a smoke cartridge assembly, a battery assembly and a cigarette holder unit, the shell support is provided with a first clamping groove and an air suction channel, the battery assembly is provided with a first electrode and an air inlet channel, the smoke cartridge assembly is provided with a second electrode and an atomization channel, and the battery assembly and the cigarette holder unit are arranged on the shell support. A corresponding air path of the cigarette holder unit is communicated with the air suction channel, the first clamping groove is used for detachably installing a smoke cartridge assembly, when the smoke cartridge assembly is installed in the first clamping groove, the first electrode is electrically connected with the second electrode, an air inlet port air path of the atomization channel is communicated with the air inlet channel, and an air suction port air path of the atomization channel is communicated with the air suction channel. According to the electronic cigarette, a user can replace the cigarette cartridge assemblies with different tobacco tar tastes or nicotine concentrations through the first clamping groove, the user does not need to buy different types of electronic cigarettes repeatedly, the use cost can be reduced, and resource waste is reduced.

Description

Technical Field

[0001] This application belongs to the field of electronic cigarette technology, and more specifically, relates to a portable electronic cigarette. Background Technology

[0002] With the rapid development of the e-cigarette market, consumers' demands for e-cigarettes are no longer limited to basic functional experiences, but are paying more attention to personalized experiences. Among these, the variety of e-liquids, as one of the key factors affecting user experience, is becoming increasingly important. This includes both e-liquid flavors to satisfy different preferences and nicotine concentrations to suit individual needs.

[0003] Currently, e-cigarettes generally adopt an integrated structure design, which means that the cartridge and battery are fixedly connected to form an inseparable whole. Under this integrated structure, a single device can only be used with a specific type of pre-filled cartridge. When users want to try different e-liquid flavors or different nicotine concentrations, they have to buy different types of e-cigarettes, which not only increases the user's cost but also wastes resources. Utility Model Content

[0004] The purpose of this application is to provide a portable electronic cigarette that addresses the current problem that electronic cigarettes generally adopt an integrated structure design, where a single device can only be used with a specific type of pre-filled e-liquid cartridge. When users want to try different e-liquid flavors or different nicotine concentrations, they have to purchase different types of electronic cigarettes separately, which not only increases the user's cost but also causes a waste of resources.

[0005] To achieve the above objectives, the technical solution adopted in this application is to provide a portable electronic cigarette, including a shell support, a cartridge assembly, a battery assembly, and a mouthpiece unit. The shell support is provided with a first slot and an air intake channel, the battery assembly is provided with a first electrode and an air inlet channel, and the cartridge assembly is provided with a second electrode and an atomization channel. The battery assembly and the mouthpiece unit are respectively disposed on the shell support, and the corresponding air passage of the mouthpiece unit is connected to the air intake channel. The first slot is used for detachable installation of the cartridge assembly. When the cartridge assembly is installed in the first slot, the first electrode is electrically connected to the second electrode, the air inlet port of the atomization channel is connected to the air intake channel, and the air inlet port of the atomization channel is connected to the air intake channel.

[0006] In one embodiment, the outer casing bracket is further provided with a connecting electrode, a connecting channel and a supplementary channel. When the cartridge assembly is installed in the first slot, the first electrode is electrically connected to the second electrode through the connecting electrode, the air inlet port of the atomization channel is connected to the air passage of the air inlet channel through the connecting channel, and the air inlet channel is connected to the external air passage through the supplementary channel.

[0007] In one embodiment, the outer casing bracket is further provided with a second slot for detachably installing the cartridge assembly. When the cartridge assembly is installed in the second slot, the inner wall of the second slot correspondingly closes the air intake port and air inlet port of the atomization channel and insulates the second electrode.

[0008] In one embodiment, the portable electronic cigarette includes at least one cartridge component, the outer casing support is provided with at least one second slot, and the number of cartridge components is less than or equal to the sum of the number of the first slot and the second slot.

[0009] In one embodiment, the outer wall of the cartridge assembly is provided with a first recess, and a first slot passes through the two opposite sides of the outer shell support and forms a first groove and a second groove accordingly. The inner wall of the first slot is provided with a first protrusion at one end adjacent to the second groove. The side of the first protrusion facing the first groove is used to limit and abut against the first recess, so that the cartridge assembly is limited and installed in the first slot. The second slot passes through the two opposite sides of the outer shell support and forms a third groove and a fourth groove accordingly. The inner wall of the second slot is provided with a second protrusion at one end adjacent to the fourth groove. The side of the second protrusion facing the third groove is used to limit and abut against the first recess, so that the cartridge assembly is limited and installed in the second slot.

[0010] In one embodiment, the outer wall of the cartridge assembly is provided with a first protrusion, and the inner wall of the first slot is provided with a first recess. The first recess is used to accommodate and engage the first protrusion, so that the cartridge assembly is fixedly installed in the first slot. The inner wall of the second slot is provided with a second recess. The second recess is used to accommodate and engage the first protrusion, so that the cartridge assembly is fixedly installed in the second slot.

[0011] In one embodiment, the cartridge assembly includes an oil storage shell, an oil storage cotton block, and an atomizing unit. The outer wall of the oil storage shell is provided with a first protrusion and a first recessed platform. An atomizing channel is formed inside the oil storage shell. The atomizing channel passes through the oil storage shell and forms an air inlet port and an air intake port on opposite sides of the oil storage shell, respectively. The oil storage cotton block and the atomizing unit are both disposed in the atomizing channel. The atomizing unit is electrically connected to a second electrode for heating the oil storage cotton block.

[0012] In one embodiment, the cartridge assembly further includes an oil reservoir, an elastic upper cover, and an elastic lower cover. The oil reservoir, the elastic upper cover, and the elastic lower cover are fixedly disposed in the atomization channel. The elastic upper cover and the elastic lower cover elastically abut against opposite ends of the inner wall of the atomization channel. The elastic upper cover has an air intake hole that connects to the air intake port, and the elastic lower cover has an air intake hole that connects to the air inlet port. The elastic upper cover and the elastic lower cover are respectively disposed on opposite ends of the oil reservoir to cooperate with the oil reservoir to form a closed cavity. The oil storage cotton block is fixedly disposed in the closed cavity and has an atomization air passage that connects to the air intake hole and the air inlet hole respectively. The atomization unit passes through the atomization air passage.

[0013] In one embodiment, the outer wall of the elastic lower cover is provided with an electrode groove, the second electrode passes through the oil storage shell and extends into the electrode groove, the atomizing unit includes an atomizing tube and a connecting wire, the atomizing tube is coaxially passed through the atomizing air passage, one end of the connecting wire is fixedly set on the atomizing tube, and the other end extends out of the atomizing air passage from the air inlet and extends into the electrode groove to electrically connect to the second electrode.

[0014] In one embodiment, the cartridge assembly further includes a first sealing ring and a second sealing ring. The outer wall of the oil storage shell is provided with a first annular groove and a second annular groove surrounding the air inlet port and the air intake port. The first sealing ring and the second sealing ring are respectively installed in the first annular groove and the second annular groove to seal the gap between the oil storage shell and the outer shell support corresponding to the atomization channel.

[0015] The beneficial effect of the oil storage tank enclosure structure provided in this application is that, compared with the prior art, the aforementioned portable electronic cigarette includes a shell support, a cartridge assembly, a battery assembly, and a mouthpiece unit. The shell support is provided with a first slot and an air intake channel, the battery assembly is provided with a first electrode and an air intake channel, and the cartridge assembly is provided with a second electrode and an atomization channel. The battery assembly and the mouthpiece unit are respectively disposed on the shell support, and the corresponding air passage of the mouthpiece unit is connected to the air intake channel. The first slot is used for detachable installation of the cartridge assembly. Thus, the cartridge assembly can be detachably installed through the first slot provided in the shell support. When the cartridge assembly is installed in the first slot, the first electrode of the battery assembly is electrically connected to the second electrode of the cartridge assembly, and at the same time, the air intake port of the atomization channel is connected to the air intake channel, and the air intake port of the atomization channel is connected to the air intake channel, forming a complete air passage. Therefore, in this application, users can replace cartridges with different e-liquid flavors or nicotine concentrations through the first slot, without having to repeatedly purchase different types of electronic cigarettes, which can reduce usage costs and reduce resource waste. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the 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 these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of a portable electronic cigarette provided in one embodiment of this application;

[0018] Figure 2 This is a schematic diagram of a partial explosion of a portable electronic cigarette provided in an embodiment of this application;

[0019] Figure 3 for Figure 2A schematic diagram of a partial explosion from another perspective of a portable electronic cigarette;

[0020] Figure 4 A partial explosion diagram of another portable electronic cigarette provided in an embodiment of this application;

[0021] Figure 5 A schematic diagram of a partial explosion of another portable electronic cigarette provided in an embodiment of this application;

[0022] Figure 6 This is an explosion diagram of a smoke cartridge assembly provided in one embodiment of this application;

[0023] Figure 7 for Figure 6 The diagram shows a cross-sectional view of the cigarette cartridge assembly.

[0024] In the diagram: 10. Portable electronic cigarette; 100. Outer shell support; 110. First slot; 111. First groove; 112. Second groove; 113. First boss; 114. First recess; 120. Second slot; 121. Third groove; 122. Fourth groove; 123. Second boss; 124. Second recess; 130. Inhalation channel; 140. Connecting electrode; 150. Connecting channel; 160. Replenishment channel; 200. Cartridge assembly; 210. Oil reservoir shell; 211. Atomization channel; 212. Air inlet port; 213. Inhalation port ; 214, First recessed platform; 215, First protrusion; 216, First annular groove; 217, Second annular groove; 220, Oil reservoir body; 230, Elastic upper cover; 231, Air intake hole; 240, Elastic lower cover; 241, Air inlet hole; 242, Electrode groove; 250, Oil storage cotton block; 260, Atomizing unit; 261, Atomizing tube body; 262, Connecting wire; 270, Second electrode; 280, First sealing ring; 290, Second sealing ring; 300, Battery assembly; 310, First electrode; 320, Air intake channel; 400, Mouthpiece unit. Detailed Implementation

[0025] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0026] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0027] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application 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. Therefore, they should not be construed as limitations on this application.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0029] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 7 The present application will now describe an embodiment of a portable electronic cigarette 10, which includes a housing support 100, a cartridge assembly 200, a battery assembly 300, and a mouthpiece unit 400. The housing support 100 is provided with a first slot 110 and an air intake channel 130. The battery assembly 300 is provided with a first electrode 310 and an air intake channel 320. The cartridge assembly 200 is provided with a second electrode 270 and an atomization channel 211. The battery assembly 300 and the mouthpiece unit 400 are respectively disposed on the housing support 100. The mouthpiece unit 400 is connected to the air intake channel 130 by a corresponding air passage. The first slot 110 is used for detachable installation of the cartridge assembly 200. When the cartridge assembly 200 is installed in the first slot 110, the first electrode 310 is electrically connected to the second electrode 270. The air intake port 212 of the atomization channel 211 is connected to the air intake channel 320, and the air intake port 213 of the atomization channel 211 is connected to the air intake channel 130.

[0030] The above structure ensures that electrical and gas connections are automatically completed when the user installs the cartridge, reducing user steps and effectively preventing product malfunctions caused by gas leaks.

[0031] It should be noted that the battery assembly 300 also has an external air inlet, which is located on the surface of the battery assembly 300 housing and communicates with the air intake channel 320 to introduce outside air into the air intake port 212 of the atomization channel 211. Furthermore, the external air inlet can be located on the side wall or bottom of the battery assembly 300, and its diameter and number can be adjusted according to air intake requirements. A sealing structure is provided at the connection between the air intake channel 320 and the atomization channel 211 to ensure the airtightness of the air path connection.

[0032] In this embodiment, the battery assembly 300 may further include a battery casing, battery cells, and a control circuit board. The first electrode 310 is fixed to the end of the battery casing and electrically connected to the control circuit board. The air intake channel 320 passes through the battery casing and is equipped with an airflow sensor. When the user inhales, the airflow sensor triggers the control circuit board to supply power to the atomizing unit 260. Furthermore, a charging interface is provided at the bottom of the battery casing, supporting Type-C or magnetic charging.

[0033] When the cartridge assembly 200 is installed in the first slot 110, the external air inlet and the air inlet channel 320 of the battery assembly 300 are connected. Outside air flows sequentially through the external air inlet and the air inlet channel 320, then enters the air inlet port 212 of the atomization channel 211. The air intake port 213 of the atomization channel 211 is connected to the air intake channel 130 of the outer casing bracket 100, allowing the atomized aerosol to be delivered to the mouthpiece unit 400 via the air intake channel 130 for the user to inhale. During use, the user inhales to drive the gas into the air intake channel 320, triggering the atomization unit 260 to operate; the entire smoking process requires no button operation.

[0034] The beneficial effect of the portable electronic cigarette 10 provided in this application is that, compared with the prior art, the portable electronic cigarette 10 includes a shell support 100, a cartridge assembly 200, a battery assembly 300, and a mouthpiece unit 400. The shell support 100 is provided with a first slot 110 and an air intake channel 130. The battery assembly 300 is provided with a first electrode 310 and an air intake channel 320. The cartridge assembly 200 is provided with a second electrode 270 and an atomization channel 211. The battery assembly 300 and the mouthpiece unit 400 are respectively disposed on the shell support 100, and the corresponding air passage of the mouthpiece unit 400 is connected to the air intake. The channel 130 and the first slot 110 are used for the detachable installation of the e-liquid cartridge assembly 200. Thus, the e-liquid cartridge assembly 200 can be detachably installed via the first slot 110 provided in the outer casing bracket 100. When the e-liquid cartridge assembly 200 is installed in the first slot 110, the first electrode 310 of the battery assembly 300 is electrically connected to the second electrode 270 of the e-liquid cartridge assembly 200. Simultaneously, the air intake port 212 of the atomization channel 211 connects to the air intake channel 320, and the air intake port 213 of the atomization channel 211 connects to the air intake channel 130, forming a complete airflow channel. Therefore, in this application, users can replace the e-liquid cartridge assembly 200 with different e-liquid flavors or nicotine concentrations via the first slot 110, eliminating the need to repeatedly purchase different types of e-cigarettes, thus reducing usage costs and resource waste.

[0035] Please refer to the following: Figure 2 , Figure 3 and Figure 4 The outer casing bracket 100 is also provided with a connecting electrode 140, a connecting channel 150 and a supplementary channel 160. When the cartridge assembly 200 is installed in the first slot 110, the first electrode 310 is electrically connected to the second electrode 270 through the connecting electrode 140. The air inlet port 212 of the atomizing channel 211 is connected to the air inlet channel 320 through the connecting channel 150. The air inlet channel 320 is connected to the external air path through the supplementary channel 160.

[0036] Please refer to the following: Figure 3 and Figure 5 The outer casing support 100 is also provided with a second slot 120, which is used for detachably installing the cartridge assembly 200. When the cartridge assembly 200 is installed in the second slot 120, the inner wall of the second slot 120 correspondingly closes the air intake port 213 and the air inlet port 212 of the atomization channel 211, and insulates the second electrode 270. The second slot 120 allows spare cartridges to be carried around and fixed on the outer casing support 100, making it convenient for users to access them whenever they want to replace the cartridges.

[0037] In this embodiment, the portable electronic cigarette 10 includes at least one cartridge assembly 200, the outer shell support 100 is provided with at least one second slot 120, and the number of cartridge assemblies 200 is less than or equal to the sum of the number of the first slot 110 and the second slot 120.

[0038] Please refer to the following: Figure 2 and Figure 5 The outer wall of the cartridge assembly 200 is provided with a first recess 214. A first slot 110 passes through two opposite sides of the outer shell bracket 100 and forms a first slot 111 and a second slot 112 accordingly. The inner wall of the first slot 110 is provided with a first protrusion 113 adjacent to one end of the second slot 112. The side of the first protrusion 113 facing the first slot 111 cooperates with the corresponding inner wall of the first slot 110 to form a first groove for detachably installing the cartridge assembly 200. The side of the first protrusion 113 facing the first slot 111 is used to limit and abut against the first recess 214, so that the cartridge assembly 200 is limited in position for installation. In the first slot 110; the second slot 120 passes through the opposite sides of the outer shell bracket 100 and forms a third slot 121 and a fourth slot 122 accordingly. The inner wall of the second slot 120 is provided with a second protrusion 123 at one end adjacent to the fourth slot 122. The side of the second protrusion 123 facing the third slot 121 cooperates with the corresponding inner wall of the second slot 120 to form a second slot for detachably installing the tobacco cartridge assembly 200. The side of the second protrusion 123 facing the third slot 121 is used to limit and abut against the first recess 214, so that the tobacco cartridge assembly 100 is limited and installed in the second slot 120.

[0039] In this embodiment, the outer wall of the cartridge assembly 200 is provided with a first protrusion 215, and the inner wall of the first slot 110 is provided with a first recess 114. The first recess 114 is used to accommodate and engage the first protrusion 215, so that the cartridge assembly 200 is fixedly installed in the first slot 110. The inner wall of the second slot 120 is provided with a second recess 124, which is used to accommodate and engage the first protrusion 215, so that the cartridge assembly 200 is fixedly installed in the second slot 120. The above-mentioned limiting and engaging structure not only makes it easier for users to identify the installation direction, but also enhances the installation stability of the cartridge assembly 200 and prevents it from shaking and falling off during smoking.

[0040] When the user installs the cartridge assembly 200, press the cartridge assembly 200 along the direction from the first slot 111 toward the second slot 112 until the first protrusion 215 engages with the first recess 114. When the user removes the cartridge assembly 200, apply force to the cartridge assembly 200 along the direction from the second slot 112 toward the first slot 111 to remove the cartridge assembly 200.

[0041] In this embodiment, the outer casing bracket 100 is also provided with a third slot (not labeled in the figure). The third slot is used to detachably install the battery assembly 300. When the battery assembly 300 is installed in the third slot and the cartridge assembly 200 is installed in the first slot 110, the first electrode 310 is electrically connected to the second electrode 270 through the connecting electrode 140. The air inlet port 212 of the atomizing channel 211 is connected to the air inlet channel 320 through the connecting channel 150. The air inlet channel 320 is connected to the external air path through the supplementary channel 160.

[0042] The above structure facilitates the independent replacement and recycling of battery components, avoiding the scrapping of the entire machine and further reducing operating costs and environmental burden.

[0043] Please see Figure 6 and Figure 7 The cartridge assembly 200 includes an oil storage shell 210, an oil storage cotton block 250, and an atomizing unit 260. The outer wall of the oil storage shell 210 is provided with a first protrusion 215 and a first recess 214. An atomizing channel 211 is formed inside the oil storage shell 210. The atomizing channel 211 passes through the oil storage shell 210 and forms an air inlet port 212 and an air intake port 213 on opposite sides. The oil storage cotton block 250 and the atomizing unit 260 are both disposed in the atomizing channel 211. The atomizing unit 260 is electrically connected to a second electrode 270 for heating the oil storage cotton block 250.

[0044] In this embodiment, the cartridge assembly 200 further includes an oil storage cylinder 220, an elastic upper cover 230, and an elastic lower cover 240. The oil storage cylinder 220, the elastic upper cover 230, and the elastic lower cover 240 are fixedly disposed in the atomization channel 211. The elastic upper cover 230 and the elastic lower cover 240 elastically abut against the opposite ends of the inner wall of the atomization channel 211. The elastic upper cover 230 is provided with an air intake hole 231 that connects to the air intake port 213. The elastic lower cover 240 is provided with an air intake hole 241 that connects to the air intake port 212. The elastic upper cover 230 and the elastic lower cover 240 are respectively covered on the opposite ends of the oil storage cylinder 220 to cooperate with the oil storage cylinder 220 to form a closed cavity. The oil storage cotton block 250 is fixedly disposed in the closed cavity and is provided with an atomization air passage that connects to the air intake hole 231 and the air intake hole 241 respectively. The atomization unit 260 passes through the atomization air passage. The elastic upper cover 230 and elastic lower cover 240 have dual functions of buffering and sealing, which can adapt to the deformation of the oil storage cylinder 220 during thermal expansion and contraction or transportation vibration, ensuring the sealing reliability under long-term use. The atomizing air passage is a through-hole structure that runs through both ends of the oil storage cotton block 250.

[0045] In this embodiment, the outer wall of the elastic lower cover 240 is provided with an electrode groove 242. The second electrode 270 passes through the oil storage housing 210 and extends into the electrode groove 242. The atomizing unit 260 includes an atomizing tube 261 and a connecting wire 262. The atomizing tube 261 is coaxially inserted in the atomizing air passage. One end of the connecting wire 262 is fixedly installed on the atomizing tube 261, and the other end extends out of the atomizing air passage through the air inlet 241 and extends into the electrode groove 242 to electrically connect to the second electrode 270.

[0046] In this embodiment, the cartridge assembly 200 further includes a first sealing ring 280 and a second sealing ring 290. The outer wall of the oil storage housing 210 is provided with a first annular groove 216 and a second annular groove 217 surrounding the air inlet port 212 and the air intake port 213. The first sealing ring 280 and the second sealing ring 290 are respectively installed in the first annular groove 216 and the second annular groove 217 to seal the gap between the oil storage housing 210 and the outer shell support 100 corresponding to the atomization channel 211. The above sealing structure can prevent e-liquid from leaking to the outside of the oil storage housing 210, thereby improving the user experience.

[0047] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A portable electronic cigarette, characterized in that, The device includes a housing support, a cartridge assembly, a battery assembly, and a mouthpiece unit. The housing support has a first slot and an air intake channel. The battery assembly has a first electrode and an air inlet channel. The cartridge assembly has a second electrode and an atomization channel. The battery assembly and the mouthpiece unit are respectively mounted on the housing support. The mouthpiece unit's corresponding air path is connected to the air intake channel. The first slot is used for detachable installation of the cartridge assembly. When the cartridge assembly is installed in the first slot, the first electrode is electrically connected to the second electrode. The air inlet port of the atomization channel is connected to the air intake channel, and the air inlet port of the atomization channel is connected to the air intake channel.

2. The portable electronic cigarette according to claim 1, characterized in that, The outer casing bracket is also provided with a connecting electrode, a connecting channel and a supplementary channel. When the cartridge assembly is installed in the first slot, the first electrode is electrically connected to the second electrode through the connecting electrode. The air inlet of the atomizing channel is connected to the air passage of the air inlet channel through the connecting channel. The air inlet channel is connected to the external air passage through the supplementary channel.

3. The portable electronic cigarette according to claim 1, characterized in that, The outer casing bracket is also provided with a second slot, which is used to detachably install the cartridge assembly. When the cartridge assembly is installed in the second slot, the inner wall of the second slot closes the air intake port and the air inlet port of the atomization channel, and insulates the second electrode.

4. The portable electronic cigarette according to claim 3, characterized in that, The portable electronic cigarette includes at least one of the cartridge components, the outer casing support is provided with at least one of the second slots, and the number of cartridge components is less than or equal to the sum of the number of the first slots and the second slots.

5. The portable electronic cigarette according to claim 4, characterized in that, The outer wall of the cartridge assembly is provided with a first recessed platform. The first slot passes through the two opposite sides of the outer shell bracket and forms a first slot and a second slot accordingly. The inner wall of the first slot is provided with a first protrusion at one end adjacent to the second slot. The side of the first protrusion facing the first slot is used to limit and abut against the first recessed platform, so that the cartridge assembly is limited and installed in the first slot. The second slot passes through the two opposite sides of the outer shell bracket and forms a third slot and a fourth slot accordingly. The inner wall of the second slot is provided with a second protrusion at one end adjacent to the fourth slot. The side of the second protrusion facing the third slot is used to limit and abut against the first recess, so that the cartridge assembly is limited and installed in the second slot.

6. The portable electronic cigarette according to claim 5, characterized in that, The outer wall of the cartridge assembly is provided with a first protrusion, and the inner wall of the first slot is provided with a first recess. The first recess is used to accommodate and engage the first protrusion, so that the cartridge assembly is fixedly installed in the first slot. The inner wall of the second slot is provided with a second recess, which is used to accommodate and engage the first protrusion, so that the cartridge assembly is fixedly installed in the second slot.

7. The portable electronic cigarette according to claim 6, characterized in that, The e-cigarette cartridge assembly includes an oil storage shell, an oil storage cotton block, and an atomizing unit. The outer wall of the oil storage shell is provided with the first protrusion and is surrounded by the first recess. The atomizing channel is formed inside the oil storage shell. The atomizing channel passes through the oil storage shell and forms the air inlet port and the air intake port on opposite sides respectively. The oil storage cotton block and the atomizing unit are both disposed in the atomizing channel. The atomizing unit is electrically connected to the second electrode for heating the oil storage cotton block.

8. The portable electronic cigarette according to claim 7, characterized in that, The cartridge assembly also includes an oil reservoir, an elastic upper cover, and an elastic lower cover. The oil reservoir, the elastic upper cover, and the elastic lower cover are fixedly disposed in the atomization channel. The elastic upper cover and the elastic lower cover elastically abut against opposite ends of the inner wall of the atomization channel. The elastic upper cover has an air intake hole that connects to the air intake port, and the elastic lower cover has an air intake hole that connects to the air intake port. The elastic upper cover and the elastic lower cover are respectively disposed on opposite ends of the oil reservoir to cooperate with the oil reservoir to form a closed cavity. The oil storage cotton block is fixedly disposed in the closed cavity and has atomization air passages that connect to the air intake hole and the air intake hole respectively. The atomizing unit passes through the atomization air passages.

9. The portable electronic cigarette according to claim 8, characterized in that, The outer wall of the elastic lower cover is provided with an electrode groove. The second electrode passes through the oil storage shell and extends into the electrode groove. The atomizing unit includes an atomizing tube and a connecting wire. The atomizing tube is coaxially inserted into the atomizing air passage. One end of the connecting wire is fixedly installed on the atomizing tube, and the other end extends out of the atomizing air passage through the air inlet and extends into the electrode groove to electrically connect to the second electrode.

10. The portable electronic cigarette according to claim 7, characterized in that, The cartridge assembly also includes a first sealing ring and a second sealing ring. The outer wall of the oil storage shell is provided with a first annular groove and a second annular groove surrounding the air inlet port and the air intake port. The first sealing ring and the second sealing ring are respectively installed in the first annular groove and the second annular groove to seal the gap between the oil storage shell and the outer shell support corresponding to the atomization channel.

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