Oil core separation type atomization smoke cartridge with replaceable core

By designing a replaceable coil-separated atomizing cartridge, the problems of reduced vaping experience and e-liquid leakage caused by carbon buildup in the atomizing coil are solved. This achieves convenient coil replacement and good sealing, thus improving the overall performance of e-cigarettes.

CN223528953UActive Publication Date: 2025-11-11SISLAI ELECTRONIC TECH (DONGGUAN) CO LTD
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Patent Information

Application Number
CN202422937128.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-11
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

After a period of use, carbon buildup on the atomizer core of existing high-capacity disposable e-cigarettes leads to a reduced vaping experience in the latter half of the process. E-liquid components also deposit on the surface of the atomizing cotton, making them difficult to replace and seal, resulting in e-liquid leakage.

Method used

Design a replaceable coil-separated e-cigarette cartridge, featuring a transparent oil tank and a separate atomizer coil assembly. The atomizer coil can be easily disassembled and replaced through threaded connection and sealing ring design. The sealing ring and limiting groove prevent e-liquid leakage, while the oil-guiding cotton and heating mesh assembly ensure e-liquid atomization.

Benefits of technology

It enables convenient replacement of the atomizer core and ensures good sealing to prevent e-liquid leakage, thereby improving the user experience and practical value of e-cigarettes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a core-replaceable oil core separated type atomizing cartridge, and relates to the technical field of electronic cigarette atomizing cartridges, the core-replaceable oil core separated type atomizing cartridge comprises an oil bin assembly, an atomizing core assembly is fixedly installed in the oil bin assembly, the oil bin assembly comprises a transparent oil bin, the top end of the inner side of the transparent oil bin is provided with a suction smoke channel, and the top end of the inner side of the transparent oil bin is provided with a smoke outlet. A base is fixedly installed at the bottom of the transparent oil bin, the atomizing core assembly comprises an atomizing pipe, two first ring grooves are formed in the outer side of the top end of the atomizing pipe, first sealing rings are fixedly installed in the first ring grooves and attached to the inner side of the bottom end of the smoking flue, and a threaded connection part is arranged on the outer side of the bottom end of the atomizing pipe; the threaded connection part is in threaded connection with the base, two second ring grooves are formed in the middle of the atomization pipe, second sealing rings are fixedly installed in the second ring grooves, and an oil inlet hole is formed between the two second ring grooves; according to the utility model, the atomizing core can be conveniently replaced, and the atomizer has higher practical value.
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Description

Technical Field

[0001] This utility model relates to the field of electronic cigarette atomizing cartridge technology, specifically a replaceable cartridge with a separate oil core. Background Technology

[0002] E-cigarette vaporizer cartridges are a crucial component of e-cigarette devices, responsible for converting liquid nicotine (commonly known as "e-liquid") into vapor for the user to inhale. The design and operating principle of vaporizer cartridges allow e-cigarettes to provide a smoking-like experience without burning tobacco.

[0003] Based on the above, the inventors have discovered the following problems: Currently, large-capacity disposable e-cigarettes on the market use a single atomizing core component for output. After a period of use, carbon buildup will occur in the atomizing core of the large-capacity cartridge, and some e-liquid components will be deposited on the surface of the atomizing cotton, which greatly reduces the vaping experience in the latter half of the process and makes it inconvenient to use.

[0004] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided a replaceable coil-separated atomizing cartridge in order to achieve a more practical purpose. Utility Model Content

[0005] The purpose of this invention is to provide a replaceable coil-separated atomizing cartridge to solve the problems mentioned in the background art.

[0006] A replaceable coil-separated atomizing cartridge includes an oil tank assembly, inside which an atomizing coil assembly is fixedly installed. The oil tank assembly includes a transparent oil tank with a suction channel at its inner top and a base fixedly installed at its bottom. The atomizing coil assembly includes an atomizing tube with two first grooves on the outer side of its top. A first sealing ring is fixedly installed inside the first groove and fits against the inner side of the bottom of the suction channel. A threaded connection is made to the base on the outer side of the bottom of the atomizing tube. Two second grooves are formed in the middle of the atomizing tube, with a second sealing ring fixedly installed inside each groove. An oil inlet is formed between the two second grooves, and the second sealing ring at the bottom of the oil inlet fits against the inside of the base.

[0007] By adopting the above technical solution, the transparent oil tank facilitates the storage of e-liquid and allows for easy observation of the internal oil level during vaping. A first sealing ring is fixedly installed inside the first groove, fitting snugly against the inner side of the bottom end of the suction channel. This seals the top of the atomizer core assembly to the inner side of the bottom end of the suction channel, effectively preventing e-liquid leakage and separating the e-liquid from the core. The threaded connection on the outer side of the bottom end of the atomizer tube connects to the base, facilitating the fixed connection between the atomizer core assembly and the oil tank assembly, and allowing for adjustments as needed. The atomizer core assembly is easy to disassemble and replace. An oil inlet is provided between the two second ring grooves. The second sealing ring at the bottom of the oil inlet fits into the inside of the base, which facilitates the sealing of the bottom of the atomizer core assembly and the oil tank assembly, effectively preventing e-liquid leakage. The oil inlet allows e-liquid inside the transparent oil tank to enter the atomizer core assembly for atomization. When not in use for a long time, the atomizer core assembly can be twisted outwards a bit, so that the second sealing ring at the top of the oil inlet fits into the base, thereby separating the e-liquid from the atomizer core assembly, achieving the function of oil-core separation.

[0008] Furthermore, an atomizing seat is fixedly installed inside the bottom end of the atomizing tube, and a limiting groove is formed at the bottom of the atomizing seat.

[0009] By adopting the above technical solution, a limiting groove is opened at the bottom of the atomizer base, which makes it easy to use external tools to insert into the limiting groove to rotate the atomizer core assembly, thus facilitating the installation and removal of the atomizer core assembly.

[0010] Furthermore, an insulating silicone sealant is fixedly installed on the inner side of the bottom end of the atomizing base, and a pin is fixedly installed in the middle of the insulating silicone sealant. By adopting the above technical solution, the pin fixedly installed in the middle of the insulating silicone sealant facilitates the insulation separation between the atomizing base and the pin.

[0011] Furthermore, an atomizing cotton is fixedly installed on the inner side of the top of the atomizing base, and a heating mesh is fixedly installed inside the atomizing cotton. By adopting the above technical solution, with the atomizing cotton fixedly installed on the inner side of the top of the atomizing base and the heating mesh fixedly installed inside the atomizing cotton, it is convenient for the heating mesh to heat and evaporate the e-liquid adsorbed on the atomizing cotton.

[0012] Furthermore, both the ejector pin and the atomizing base are equipped with electrode contacts at their bottoms, and the heating mesh is electrically connected to the ejector pin and the atomizing base. By adopting the above technical solution, with electrode contacts at the bottoms of both the ejector pin and the atomizing base, and the heating mesh electrically connected to the ejector pin and the atomizing base, it is convenient to supply power for the heating and atomization of the heating mesh.

[0013] Furthermore, an oil-guiding cotton is fixedly installed on the outer side of the top of the atomizing seat, and the oil-guiding cotton is disposed inside the oil inlet hole.

[0014] By adopting the above technical solution, an oil-guiding cotton is fixedly installed on the outer side of the top of the atomizer base. The oil-guiding cotton is placed inside the oil inlet hole, which facilitates the oil-guiding cotton to draw in e-liquid from the oil inlet hole and guide it into the internal atomizing cotton for atomization.

[0015] Furthermore, the base has locking blocks on both outer sides, and the transparent oil tank has locking slots at both bottom ends, with the locking blocks engaging with the locking slots.

[0016] By adopting the above technical solution, the bottom of the transparent oil tank is provided with slots at both ends, and the locking blocks engage with the slots to facilitate the fixed connection between the transparent oil tank and the base, thereby forming an oil storage space inside.

[0017] Furthermore, a silicone groove is provided on the outer side of the top of the base, and a sealing silicone is fixedly installed on the outer side of the silicone groove. The outer side of the sealing silicone is in contact with the transparent oil tank, and a silicone plug is engaged and connected inside the top of the suction duct.

[0018] By adopting the above technical solution, the outer side of the sealing silicone is attached to the transparent oil tank, and a silicone plug is engaged with the inside of the top of the suction channel, which improves the sealing performance between the base and the transparent oil tank. The silicone plug can protect the suction channel when not in use. Furthermore, magnetic blocks are fixedly installed at both ends of the bottom of the base, and an oil filling plug is fixedly installed between one of the magnetic blocks and the atomizing seat.

[0019] By adopting the above technical solution, magnetic blocks are fixedly installed at both ends of the bottom of the base. One of the magnetic blocks and the atomizer seat is fixedly installed with an oil filling plug, which makes it easy to use an external oil filling needle to insert into the oil filling plug to fill the oil tank assembly with e-liquid. The magnetic blocks magnetically connect the device to the electronic cigarette host, which facilitates the power supply for the device to work.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: The transparent oil tank facilitates the storage of e-liquid and allows for easy observation of the internal oil level during vaping. A first sealing ring is fixedly installed inside the first groove, fitting snugly against the inner side of the bottom end of the suction channel, effectively sealing the top of the atomizer core assembly to the inner side of the bottom end of the suction channel, thus preventing e-liquid leakage and separating the e-liquid from the core. The threaded connection on the outer side of the bottom end of the atomizer tube connects to the base, facilitating the fixed connection between the atomizer core assembly and the oil tank assembly. Furthermore, the atomizer core assembly can be easily adjusted as needed. The atomizer core assembly is designed for easy disassembly and replacement. An oil inlet is located between the two second-ring grooves. The second sealing ring at the bottom of the oil inlet fits snugly against the inside of the base, facilitating a seal between the bottom of the atomizer core assembly and the oil tank assembly, effectively preventing e-liquid leakage. The oil inlet allows e-liquid from the transparent oil tank to enter the atomizer core assembly for atomization. When not in use for an extended period, the atomizer core assembly can be partially unscrewed, allowing the second sealing ring at the top of the oil inlet to fit against the base, thus separating the e-liquid from the atomizer core assembly and achieving oil-core separation. This invention allows for convenient replacement of the atomizer core and has high practical value. Attached Figure Description

[0021] Figure 1 This is a cross-sectional view of a replaceable oil-core separated atomizing cartridge according to the present invention.

[0022] Figure 2 This is a three-dimensional structural diagram of the atomizing core assembly of this utility model;

[0023] Figure 3 This is an exploded view of the atomizing core assembly of this utility model;

[0024] Figure 4 This is a bottom view of a replaceable coil-separated atomizing cartridge according to the present invention.

[0025] Figure 5 This is an exploded view of the oil tank assembly of this utility model.

[0026] In the diagram: 101, Oil tank assembly; 10101, Transparent oil tank; 10102, Suction duct; 10103, Silicone plug; 10104, Base; 10105, Magnetic block; 10106, Oil filling plug; 10107, Sealing silicone; 10108, Silicone groove; 10109, Locking block; 10110, Locking slot; 102, Atomizer coil assembly; 10201, Atomizer tube; 102 02. First groove; 10203. First sealing ring; 10204. Threaded connection; 10205. Oil inlet; 10206. Second groove; 10207. Second sealing ring; 10208. Atomizing seat; 10209. Insulating silicone; 10210. Pin; 10211. Atomizing cotton; 10212. Heating mesh; 10213. Oil guiding cotton; 10214. Limiting groove. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-5This utility model provides a technical solution: a replaceable coil-separated atomizing cartridge, including an oil tank assembly 101, an atomizing coil assembly 102 fixedly installed inside the oil tank assembly 101, and a transparent oil tank 10101. The transparent oil tank 10101 facilitates the storage of e-liquid and allows for easy observation of the oil level during vaping. A suction channel 10102 is formed at the top inner side of the transparent oil tank 10101, and a base 10104 is fixedly installed at the bottom. The atomizing coil assembly 102 includes an atomizing tube 10201, with two first ring grooves 10202 formed on the outer side of the top of the atomizing tube 10201. A first sealing ring 10203 is fixedly installed inside the groove 10202. The first sealing ring 10203 fits against the inner side of the bottom end of the suction channel 10102. The fixed installation of the first sealing ring 10203 within the groove 10202 and its fit against the inner side of the bottom end of the suction channel 10102 facilitates sealing between the top of the atomizing core assembly 102 and the inner side of the bottom end of the suction channel 10102, effectively preventing e-liquid leakage and separating the e-liquid from the core. A threaded connection 10204 is located on the outer side of the bottom end of the atomizing tube 10201, and is threadedly connected to the base 10104. The bottom outer threaded connection part 10204 is threadedly connected to the base 10104, facilitating the fixed connection of the atomizing core assembly 102 and the oil tank assembly 101, and allowing for convenient disassembly and replacement of the atomizing core assembly 102 as needed. Two second ring grooves 10206 are formed in the middle of the atomizing tube 10201, and a second sealing ring 10207 is fixedly installed inside the second ring grooves 10206. An oil inlet hole 10205 is formed between the two second ring grooves 10206, and the second sealing ring 10207 at the bottom of the oil inlet hole 10205 fits snugly against the inside of the base 10104. The oil inlet hole 10205 is located between the two second ring grooves 10206. The device has an oil inlet 10205. The second sealing ring 10207 at the bottom of the oil inlet 10205 fits into the inside of the base 10104, which facilitates the sealing of the bottom of the atomizer core assembly 102 and the oil tank assembly 101 by the second sealing ring 10207, effectively preventing e-liquid leakage. The oil inlet 10205 allows the e-liquid inside the transparent oil tank 10101 to enter the atomizer core assembly 102 for atomization. When not in use for a long time, the atomizer core assembly 102 can be rotated outwards a bit, so that the second sealing ring 10207 at the top of the oil inlet 10205 fits into the base 10104, thereby separating the e-liquid from the atomizer core assembly 102, which serves as an oil-core separation function.

[0029] The atomizing tube 10201 has an atomizing base 10208 fixedly installed inside its bottom end. The atomizing base 10208 has a limiting groove 10214 at its bottom. The limiting groove 10214 at the bottom of the atomizing base 10208 makes it easy to use external tools to insert into the limiting groove 10214 to rotate the atomizing core assembly 102, thus facilitating the installation and removal of the atomizing core assembly 102.

[0030] An insulating silicone rubber 10209 is fixedly installed on the inner side of the bottom end of the atomizing base 10208, and a pin 10210 is fixedly installed in the middle of the insulating silicone rubber 10209. The pin 10210 is fixedly installed in the middle of the insulating silicone rubber 10209, which facilitates the insulation separation between the atomizing base 10208 and the pin 10210.

[0031] The atomizing base 10208 has an atomizing cotton 10211 fixedly installed on the inner side of its top end. A heating mesh 10212 is fixedly installed inside the atomizing cotton 10211. The atomizing cotton 10211 fixedly installed on the inner side of the top end of the atomizing base 10208 and the heating mesh 10212 fixedly installed inside the atomizing cotton 10211 facilitates the heating mesh 10212 to heat and evaporate the e-liquid adsorbed on the atomizing cotton 10211.

[0032] Both the ejector pin 10210 and the atomizing base 10208 have electrode contacts at their bottoms. The heating grid 10212 is electrically connected to the ejector pin 10210 and the atomizing base 10208. The presence of electrode contacts at the bottoms of the ejector pin 10210 and the atomizing base 10208, along with the electrical connection between the heating grid 10212 and the ejector pin 10210 and the atomizing base 10208, facilitates the supply of power for the heating and atomization of the heating grid 10212.

[0033] Among them, an oil-guiding cotton 10213 is fixedly installed on the outer side of the top of the atomizing base 10208. The oil-guiding cotton 10213 is located inside the oil inlet 10205. The oil-guiding cotton 10213 is fixedly installed on the outer side of the top of the atomizing base 10208 and is located inside the oil inlet 10205, so that the oil-guiding cotton 10213 can draw in e-liquid from the oil inlet 10205 and guide it into the internal atomizing cotton 10211 for atomization.

[0034] The base 10104 has locking blocks 10109 on both outer sides, and the transparent oil tank 10101 has locking slots 10110 at both ends of its bottom. The locking blocks 10109 are engaged with the locking slots 10110. By having the locking slots 10110 at both ends of the bottom of the transparent oil tank 10101 and the locking blocks 10109 are engaged with the locking slots 10110, it is easy to fix the transparent oil tank 10101 and the base 10104 together, so that an oil storage space is formed inside.

[0035] The base 10104 has a silicone groove 10108 on its outer top. A sealing silicone 10107 is fixedly installed on the outer side of the silicone groove 10108. The outer side of the sealing silicone 10107 is in contact with the transparent oil tank 10101. A silicone plug 10103 is engaged with the inner top of the smoke extraction duct 10102. By having the outer side of the sealing silicone 10107 in contact with the transparent oil tank 10101 and the inner top of the smoke extraction duct 10102 engaged with the silicone plug 10103, the sealing performance between the base 10104 and the transparent oil tank 10101 is improved. The silicone plug 10103 can protect the smoke extraction duct 10102 when it is not in use.

[0036] The base 10104 has magnetic blocks 10105 fixedly installed at both ends of its bottom. One of the magnetic blocks 10105 and the atomizer base 10208 have an oil filling plug 10106 fixedly installed between them. The magnetic blocks 10105 fixedly installed at both ends of the bottom of the base 10104 and the oil filling plug 10106 fixedly installed between them facilitates the use of an external oil filling needle to fill the oil tank assembly 101 with e-liquid. The magnetic blocks 10105 magnetically connect the device to the electronic cigarette host, facilitating the power supply for the device's operation.

[0037] Specifically, the working principle of this replaceable coil-separated atomizing cartridge is as follows: During use, magnetic blocks 10105 are fixedly installed at both ends of the bottom of the base 10104. One of the magnetic blocks 10105 and the atomizing base 10208 has an e-liquid plug 10106 fixedly installed between them, facilitating the filling of the e-liquid tank assembly 101 with an external e-liquid needle inserted into the plug 10106. The magnetic blocks 10105 magnetically connect the device to the e-cigarette host, facilitating power supply to the device. The transparent e-liquid tank 10101 has slots 10110 at both ends of its bottom, with locking blocks 10109 engaging with these slots to securely connect the transparent e-liquid tank 10101 and the base 10104, creating an e-liquid storage space inside. The silicone sealant 10107 is attached to the outside of the transparent oil tank 10101, and the silicone plug 10103 is engaged with the inside of the top of the suction channel 10102. This improves the sealing performance between the base 10104 and the transparent oil tank 10101. The silicone plug 10103 protects the suction channel 10102 when not in use. The transparent oil tank 10101 facilitates the storage of e-liquid and allows for easy observation of the oil level during vaping. A first sealing ring 10203 is fixedly installed inside the first groove 10202. The first sealing ring 10203 is attached to the inside of the bottom of the suction channel 10102, facilitating the sealing of the top of the atomizing core assembly 102 with the inside of the bottom of the suction channel 10102, effectively preventing e-liquid leakage. It also serves to separate the atomizer core from the e-liquid. The threaded connection 10204 on the outer side of the bottom end of the atomizer tube 10201 connects to the base 10104, facilitating the fixed connection between the atomizer core assembly 102 and the e-liquid tank assembly 101. This allows for convenient disassembly and replacement of the atomizer core assembly 102 as needed. An oil inlet 10205 is provided between the two second grooves 10206. The second sealing ring 10207 at the bottom of the oil inlet 10205 fits snugly against the inside of the base 10104, ensuring a tight seal between the bottom of the atomizer core assembly 102 and the e-liquid tank assembly 101, effectively preventing e-liquid leakage. The oil inlet 10205 allows easy access to the inside of the transparent e-liquid tank 101. E-liquid enters the atomizer core assembly 102 for atomization. When not in use for an extended period, the atomizer core assembly 102 can be partially unscrewed, allowing the second sealing ring 10207 at the top of the oil inlet 10205 to fit against the base 10104, thus separating the e-liquid from the atomizer core assembly 102, achieving oil-core separation. An oil-guiding cotton 10213 is fixedly installed on the outer side of the top of the atomizer base 10208. The oil-guiding cotton 10213 is located inside the oil inlet 10205, facilitating the absorption of e-liquid from the oil inlet 10205 and guiding it into the internal atomizing cotton 10211 for atomization. An atomizing cotton 10211 is fixedly installed on the inner side of the top of the atomizer base 10208, and a heating mesh 10212 is fixedly installed inside the atomizing cotton 10211.The heating element 10212 facilitates the heating of the e-liquid adsorbed on the atomizing cotton 10211, causing it to evaporate and atomize. A limiting groove 10214 is provided at the bottom of the atomizing base 10208, allowing for easy rotation of the atomizing core assembly 102 using external tools inserted into the limiting groove 10214, thus facilitating convenient installation and removal of the atomizing core assembly 102. The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A replaceable coil-separated atomizing cartridge, characterized in that, The system includes an oil tank assembly (101), in which an atomizing core assembly (102) is fixedly installed. The oil tank assembly (101) includes a transparent oil tank (10101), with a suction channel (10102) formed at the top inner side of the transparent oil tank (10101) and a base (10104) fixedly installed at the bottom. The atomizing core assembly (102) includes an atomizing tube (10201), with two first ring grooves (10202) formed on the outer side of the top end of the atomizing tube (10201). A first sealing ring (10203) is fixedly installed inside the first ring groove (10202). The sealing ring (10203) is fitted to the inner side of the bottom end of the suction duct (10102). The threaded connection part (10204) is located on the outer side of the bottom end of the atomizing tube (10201). The threaded connection part (10204) is threadedly connected to the base (10104). Two second ring grooves (10206) are provided in the middle of the atomizing tube (10201). A second sealing ring (10207) is fixedly installed inside the second ring groove (10206). An oil inlet hole (10205) is provided between the two second ring grooves (10206). The second sealing ring (10207) at the bottom end of the oil inlet hole (10205) is fitted to the inside of the base (10104).

2. The replaceable coil, oil-coil separated atomizing cartridge according to claim 1, characterized in that, An atomizing seat (10208) is fixedly installed inside the bottom end of the atomizing tube (10201), and a limiting groove (10214) is formed at the bottom of the atomizing seat (10208).

3. The replaceable coil, oil-core separated atomizing cartridge according to claim 2, characterized in that, An insulating silicone rubber (10209) is fixedly installed on the inner side of the bottom end of the atomizing base (10208), and a pin (10210) is fixedly installed in the middle of the insulating silicone rubber (10209).

4. A replaceable coil-separated atomizing cartridge according to claim 3, characterized in that, Atomizing cotton (10211) is fixedly installed on the inner side of the top of the atomizing base (10208), and a heating mesh (10212) is fixedly installed inside the atomizing cotton (10211).

5. A replaceable coil, oil-coil separated atomizing cartridge according to claim 4, characterized in that, Electrode contacts are provided at the bottom of both the ejector pin (10210) and the atomizing seat (10208), and the heating mesh (10212) is electrically connected to the ejector pin (10210) and the atomizing seat (10208).

6. A replaceable coil-separated atomizing cartridge according to claim 5, characterized in that, An oil-guiding cotton (10213) is fixedly installed on the outer side of the top of the atomizing seat (10208), and the oil-guiding cotton (10213) is located inside the oil inlet (10205).

7. A replaceable coil, oil-coil separated atomizing cartridge according to claim 1, characterized in that, The base (10104) has locking blocks (10109) on both outer sides, and the transparent oil tank (10101) has locking slots (10110) at both ends of its bottom. The locking blocks (10109) are engaged with the locking slots (10110).

8. A replaceable coil, oil-coil separated atomizing cartridge according to claim 7, characterized in that, A silicone groove (10108) is provided on the outer side of the top of the base (10104). A sealing silicone (10107) is fixedly installed on the outer side of the silicone groove (10108). The outer side of the sealing silicone (10107) is in contact with the transparent oil tank (10101). A silicone plug (10103) is engaged and connected inside the top of the smoke extraction duct (10102).

9. A replaceable coil, oil-core separated atomizing cartridge according to claim 8, characterized in that, Magnetic blocks (10105) are fixedly installed at both ends of the bottom of the base (10104), and an oil filling plug (10106) is fixedly installed between one of the magnetic blocks (10105) and the atomizing seat (10208).