Electronic cigarette cartridge with combined heating core
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MEGA TECH (DONGGUAN) CO LTD
- Filing Date
- 2025-06-11
- Publication Date
- 2026-06-23
Smart Images

Figure CN224386771U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic cigarette technology, and in particular to an electronic cigarette cartridge with a combined heating element. Background Technology
[0002] In recent years, e-cigarettes, as a consumer electronics product that can replace traditional cigarettes, have experienced rapid development and widespread application due to their advantages such as reducing the intake of harmful substances like tar, ease of use, and diverse flavors. One of the core working components of an e-cigarette is the cartridge (or atomizer), whose internal structural design directly determines the atomization effect of the e-liquid, the amount of vapor produced, the flavor fidelity, as well as the stability and lifespan of use.
[0003] However, existing e-cigarette cartridge structures face significant technical bottlenecks in achieving full atomization: insufficient atomization and power limitations. Single or densely packed heating elements often fail to provide a sufficiently large effective heating area and power density. This results in uneven and rapid heating of the e-liquid, with some e-liquid potentially being carried away by the airflow before complete vaporization, leading to incomplete atomization and leakage. This not only reduces vapor production and flavor but also makes it difficult to achieve the powerful vapor production desired by some users. Therefore, this paper presents an e-cigarette cartridge with a combined heating core to address these technical problems. Utility Model Content
[0004] The purpose of this invention is to provide an electronic cigarette cartridge with a combined heating element to address the shortcomings of existing technologies, thereby solving the technical problem that existing electronic cigarette cartridges cannot fully atomize e-liquid.
[0005] To achieve the above objectives, the technical solution of this utility model is as follows:
[0006] An electronic cigarette cartridge with a combined heating element includes an oil cup with a chamber. A partition is provided in the chamber of the oil cup to divide the chamber into an upper oil compartment and a lower oil compartment.
[0007] The partition is equipped with a vertically arranged outer steel pipe placed in the upper oil tank. The outer steel pipe is filled with buffer cotton, and the side wall of the outer steel pipe is formed with several oil guide holes for guiding the e-liquid in the upper oil tank into the outer steel pipe for absorption by the buffer cotton.
[0008] An inner steel pipe is installed inside the outer steel pipe, with the upper half of the inner steel pipe placed inside the buffer cotton and the lower half of the inner steel pipe placed inside the lower oil tank. Oil-guiding cotton is installed inside the inner steel pipe. The upper half of the inner steel pipe has several upper oil inlet holes formed on its side wall to guide the e-liquid in the buffer cotton to be absorbed by the oil-guiding cotton. The lower half of the inner steel pipe has several lower oil inlet holes formed on its side wall to guide the e-liquid in the lower oil tank to be absorbed by the oil-guiding cotton.
[0009] The oil-guiding cotton is equipped with a first heating mesh, a second heating mesh, and a third heating mesh arranged sequentially from top to bottom. Several upper oil inlet holes are distributed vertically and aligned with the first and second heating meshes respectively, while several lower oil inlet holes are aligned with the third heating mesh.
[0010] Furthermore, a fixing seat is provided at the bottom of the outer steel pipe, and the inner steel pipe is installed on the fixing seat.
[0011] Furthermore, the upper and lower oil tanks are not connected, and the capacity of the upper oil tank is greater than that of the lower oil tank.
[0012] Furthermore, several oil guide holes are arranged in an equidistant array around the centerline of the outer steel pipe.
[0013] Furthermore, several oil guide holes are located near the bottom of the upper oil tank.
[0014] Furthermore, several upper oil inlets and several lower oil inlets are arranged in an equidistant array around the centerline of the inner steel pipe.
[0015] Furthermore, a base is installed at the bottom of the inner steel tube to limit the movement of the oil-guiding cotton.
[0016] Furthermore, the top of the oil cup is provided with a smoke outlet pipe for sealing and inserting with the top of the outer steel pipe, and the smoke outlet pipe is connected to the outer steel pipe; the bottom of the oil cup is provided with an air inlet pipe for sealing and inserting with the bottom of the inner steel pipe, and the air inlet pipe is connected to the inner steel pipe.
[0017] Furthermore, it also includes several leads for electrically connecting with the first heating mesh, the second heating mesh, and the third heating mesh to conduct electricity, with the connection ends of the leads extending to the outside of the oil cup through the air inlet pipe.
[0018] The beneficial effects of this utility model are as follows: In use, the e-liquid in the upper oil tank is guided into the outer steel pipe through several oil guide holes and absorbed by the buffer cotton. The e-liquid in the buffer cotton is guided by a ramp and enters the inner steel pipe through the upper oil inlet hole, where it is absorbed by the oil guide cotton. The oil guide cotton then guides the e-liquid to the first and second heating meshes, which heat the e-liquid into vapor for the user to inhale. At the same time, the e-liquid in the lower oil tank is guided into the inner steel pipe through the lower oil inlet hole and absorbed by the oil guide cotton. The oil guide cotton then guides the e-liquid to the third heating mesh. The first, second, and third heating meshes operate simultaneously, and through this combined heating method, the e-liquid can be fully atomized, achieving a high-power effect to meet user needs. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0020] Figure 2This is a schematic diagram of the internal structure of this utility model.
[0021] Figure 3 This is a partial structural schematic diagram of the present invention.
[0022] Figure 4 This is a schematic diagram of the internal structure of the oil-wicking cotton of this utility model.
[0023] The reference numerals in the figures include:
[0024] 1. Oil cup; 101. Baffle plate; 2. Upper oil tank; 3. Lower oil tank; 4. Outer steel pipe; 5. Buffer cotton; 6. Fixing base; 8. Oil guide hole; 9. Inner steel pipe; 10. Oil guide cotton; 11. Upper oil inlet hole; 12. Lower oil inlet hole; 13. Base; 14. First heating mesh; 15. Second heating mesh; 16. Third heating mesh; 17. Lead wire; 18. Smoke outlet pipe; 19. Air inlet pipe. Detailed Implementation
[0025] The following is a detailed description of an electronic cigarette cartridge with a combined heating element according to the present invention, with reference to the accompanying drawings.
[0026] like Figure 1-4 As shown, an embodiment of the electronic cigarette cartridge with a combined heating element of this utility model includes an oil cup 1 with a chamber. A partition 101 is provided within the chamber of the oil cup 1, dividing the chamber into an upper oil reservoir 2 and a lower oil reservoir 3 arranged vertically. The upper oil reservoir 2 and the lower oil reservoir 3 are not connected. Both the upper oil reservoir 2 and the lower oil reservoir 3 are used to store e-liquid, and the capacity of the upper oil reservoir 2 is greater than that of the lower oil reservoir 3. Additionally, an injection hole (not shown in the figure) can be provided on the oil cup 1 for injecting e-liquid into the upper oil reservoir 2 and the lower oil reservoir 3 respectively. After the e-liquid in the upper oil reservoir 2 and the lower oil reservoir 3 is used up, e-liquid can be replenished to the upper oil reservoir 2 and the lower oil reservoir 3 in a timely manner through the injection hole.
[0027] The partition 101 is equipped with a vertically arranged outer steel pipe 4 placed inside the upper oil tank 2. The outer steel pipe 4 contains a buffer cotton 5 to buffer the flow of e-liquid. The side wall of the outer steel pipe 4 has several oil guide holes 8 for guiding the e-liquid from the upper oil tank 2 into the outer steel pipe 4 for absorption by the buffer cotton 5. These oil guide holes 8 are arranged in an equidistant array around the center line of the outer steel pipe 4, allowing the buffer cotton 5 to absorb the introduced e-liquid more evenly. Furthermore, the oil guide holes 8 are located near the bottom of the upper oil tank 2. This arrangement ensures that even when the e-liquid in the upper oil tank 2 is nearly empty, e-liquid can still be guided into the outer steel pipe 4, allowing for full utilization of the e-liquid in the upper oil tank 2.
[0028] In this embodiment, a fixing seat 6 is provided at the inner bottom of the outer steel pipe 4. The fixing seat 6 is equipped with an inner steel pipe 9, and the upper half of the inner steel pipe 9 is placed inside the buffer cotton 5, while the lower half of the inner steel pipe 9 is placed inside the lower oil tank 3. The fixing seat 6 has a sealing function, preventing the e-liquid in the lower oil tank 3 from entering the outer steel pipe 4 through the gap between the outer steel pipe 4 and the inner steel pipe 9 and being absorbed by the buffer cotton 5. An oil-guiding cotton 10 is provided inside the inner steel pipe 9. Several upper oil inlet holes 11 are formed on the side wall of the upper half of the inner steel pipe 9 to guide the e-liquid in the buffer cotton 5 to be absorbed by the oil-guiding cotton 10. Several lower oil inlet holes 12 are formed on the side wall of the lower half of the inner steel pipe 9 to guide the e-liquid in the lower oil tank 3 to be absorbed by the oil-guiding cotton 10. The oil guide hole 8 guides the e-liquid in the upper oil tank 2 to the buffer cotton 5 inside the outer steel pipe 4 for absorption, and then guides it through several upper oil inlet holes 11 to the oil guide cotton 10 for absorption. At the same time, the e-liquid in the lower oil tank 3 is guided to the oil guide cotton 10 for absorption through the lower oil inlet hole 12, so that the oil guide cotton 10 can absorb the e-liquid in both the upper oil tank 2 and the lower oil tank 3 at the same time. Because the upper oil tank 2 has a large capacity, a layer of buffer cotton 5 is set to buffer the e-liquid and prevent too much e-liquid from flowing out.
[0029] Inside the oil-guiding cotton 10, there are a first heating mesh 14, a second heating mesh 15 and a third heating mesh 16 arranged from top to bottom. A number of upper oil inlet holes 11 are distributed vertically and are respectively aligned with the first heating mesh 14 and the second heating mesh 15, and a number of lower oil inlet holes 12 are all aligned with the third heating mesh 16.
[0030] E-liquid in the upper oil tank 2 is guided into the outer steel pipe 4 through several oil guide holes 8, where it is absorbed by the buffer cotton 5. The e-liquid in the buffer cotton 5 is guided by a ramp, and then enters the inner steel pipe 9 through the upper oil inlet hole 11, where it is absorbed by the oil guide cotton 10. The oil guide cotton 10 guides the e-liquid to the first heating mesh 14 and the second heating mesh 15, where the heating of both meshes heats the e-liquid into vapor for the user to inhale. At the same time, e-liquid in the lower oil tank 3 is guided into the inner steel pipe 9 through the lower oil inlet hole 12, where it is absorbed by the oil guide cotton 10. The oil guide cotton 10 guides the e-liquid to the third heating mesh 16. The first heating mesh 14, the second heating mesh 15, and the third heating mesh 16 operate simultaneously, and through this combined heating method, the e-liquid can be fully atomized, achieving a high-power effect to meet user needs.
[0031] Several upper oil inlet holes 11 and several lower oil inlet holes 12 are arranged in an equidistant array around the center line of the inner steel pipe 9 so that the oil-guiding cotton 10 can absorb the e-liquid more evenly.
[0032] A base 13 is installed at the bottom of the inner steel tube 9 to limit the position of the oil-wicking cotton 10. By setting the base 13 to limit the position of the oil-wicking cotton 10, the position of the oil-wicking cotton 10 is prevented from shifting during the use of this e-cigarette cartridge.
[0033] The top of the oil cup 1 is equipped with a smoke outlet pipe 18 for sealing and inserting with the top of the outer steel pipe 4, and the smoke outlet pipe 18 is connected to the outer steel pipe 4. The bottom of the oil cup 1 is equipped with an air inlet pipe 19 for sealing and inserting with the bottom of the inner steel pipe 9, and the air inlet pipe 19 is connected to the inner steel pipe 9. When using the electronic cigarette, outside air enters the oil-guiding cotton 10 through the air inlet pipe 19, then enters the outer steel pipe 4, and carries the generated smoke out through the smoke outlet pipe 18 for the user to inhale.
[0034] In addition, this cartridge also includes several leads 17 for electrically connecting to the first heating mesh 14, the second heating mesh 15, and the third heating mesh 16 for conduction. The connection ends of the leads 17 extend to the outside of the oil cup 1 through the air inlet pipe 19. The leads 17 are electrically connected to the circuit board in the electronic cigarette, and the circuit board and leads 17 are used to supply power and control each heating mesh.
[0035] In summary, this utility model possesses the aforementioned excellent characteristics, enabling it to achieve unprecedented efficiency in use and thus become a highly practical product.
[0036] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of this utility model. The content of this specification should not be construed as a limitation of this utility model.
Claims
1. An electronic cigarette cartridge with a combined heating element, characterized in that: It includes an oil cup (1) with a chamber, and a partition (101) is provided in the chamber of the oil cup (1). The partition (101) is used to divide the chamber in the oil cup (1) into an upper oil chamber (2) and a lower oil chamber (3). The partition (101) is equipped with an outer steel pipe (4) arranged vertically and placed in the upper oil tank (2). The outer steel pipe (4) is provided with a buffer cotton (5). The side wall of the outer steel pipe (4) is formed with a number of oil guide holes (8) for guiding the e-liquid in the upper oil tank (2) into the outer steel pipe (4) for the buffer cotton (5) to absorb. An inner steel pipe (9) is installed inside the outer steel pipe (4), and the upper half of the inner steel pipe (9) is placed inside the buffer cotton (5), and the lower half of the inner steel pipe (9) is placed inside the lower oil tank (3); an oil guide cotton (10) is installed inside the inner steel pipe (9), and the upper half of the inner steel pipe (9) has several upper oil inlet holes (11) formed on the side wall for guiding the e-liquid in the buffer cotton (5) to the oil guide cotton (10) for absorption, and the lower half of the inner steel pipe (9) has several lower oil inlet holes (12) formed on the side wall for guiding the e-liquid in the lower oil tank (3) to the oil guide cotton (10) for absorption; The oil-guiding cotton (10) is provided with a first heating mesh (14), a second heating mesh (15) and a third heating mesh (16) arranged from top to bottom. Several upper oil inlet holes (11) are distributed vertically and are respectively aligned with the first heating mesh (14) and the second heating mesh (15), and several lower oil inlet holes (12) are all aligned with the third heating mesh (16).
2. The electronic cigarette cartridge with a combined heating element according to claim 1, characterized in that: A fixing seat (6) is provided at the bottom of the outer steel pipe (4), and the inner steel pipe (9) is installed on the fixing seat (6).
3. The electronic cigarette cartridge with a combined heating element according to claim 1, characterized in that: The upper oil tank (2) and the lower oil tank (3) are not connected, and the capacity of the upper oil tank (2) is greater than the capacity of the lower oil tank (3).
4. The electronic cigarette cartridge with a combined heating element according to claim 1, characterized in that: Several oil guide holes (8) are arranged in an equidistant array around the center line of the outer steel pipe (4).
5. An electronic cigarette cartridge with a combined heating element according to claim 1, characterized in that: Several oil guide holes (8) are located near the bottom of the upper oil tank (2).
6. An electronic cigarette cartridge with a combined heating element according to claim 1, characterized in that: Several upper oil inlet holes (11) and several lower oil inlet holes (12) are arranged in an equidistant array around the center line of the inner steel pipe (9).
7. An electronic cigarette cartridge with a combined heating element according to claim 1, characterized in that: The inner bottom of the inner steel tube (9) is equipped with a base (13) for limiting the oil-guiding cotton (10).
8. An electronic cigarette cartridge with a combined heating element according to claim 1, characterized in that: The top of the oil cup (1) is provided with a smoke outlet pipe (18) for sealing and inserting with the top of the outer steel pipe (4), and the smoke outlet pipe (18) is connected to the outer steel pipe (4); the bottom of the oil cup (1) is provided with an air inlet pipe (19) for sealing and inserting with the bottom of the inner steel pipe (9), and the air inlet pipe (19) is connected to the inner steel pipe (9).
9. An electronic cigarette cartridge with a combined heating element according to claim 8, characterized in that: It also includes several leads (17) for electrically connecting with the first heating mesh (14), the second heating mesh (15) and the third heating mesh (16) to conduct electricity, with the connecting ends of the leads (17) extending to the outside of the oil cup (1) through the air inlet pipe (19).