Lateral air inlet and leakage-proof atomization device

By setting side air intake holes and oil-sucking cotton on the main housing and bottom cover of the cigarette cartridge, combined with the heat insulation pipe design, the problem of oil leakage of the cigarette cartridge is solved to ensure the sealing and safety of the electronic cigarette.

CN223247597UActive Publication Date: 2025-08-22SHENZHEN FUTURE TECH CO LTD
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Patent Information

Application Number
CN202422379382.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-08-22
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

The existing cigarette cartridge atomization device is prone to oil leakage at the bottom air intake hole, causing condensate and e-liquid to penetrate into the electronic cigarette host and damage the internal electronic devices.

Method used

Using a side air intake structure, a side air intake atomization channel is formed by setting side holes on the main shell and bottom cover of the cigarette cartridge, and an oil-absorbing cotton is installed under the atomization core to prevent condensate and e-liquid from flowing out of the air intake holes. At the same time, a heat insulation pipe is installed in the outer shell of the electrode terminal to avoid high-temperature hot deformation.

Benefits of technology

Effectively prevent condensate and e-liquid from flowing out of the atomization device, protect the internal components of the electronic cigarette host, and ensure the sealing and safety of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a side air inlet and leakage-proof atomization device which comprises a smoke cartridge main shell, an atomization core arranged in the smoke cartridge main shell and a bottom cover arranged at the lower end of the smoke cartridge main shell. The upper end of the smoke cartridge main shell is a suction nozzle part, a suction opening of the suction nozzle part extends downwards to form a suction opening inner pipe, the upper end of the atomization core is in butt joint with the lower end of the suction opening inner pipe, the lower end of the atomization core is sleeved with a sealing silica gel piece, and the side wall of the sealing silica gel piece is inserted into the smoke cartridge main shell in a close fit mode. At least one first side hole is formed in the side wall, close to a lower port of the smoke cartridge main shell, of the smoke cartridge main shell, a second side hole in butt joint with the first side hole is formed in the side wall of the bottom cover, the bottom cover is provided with an electrode terminal connected with the atomization core and oil absorption cotton, and the upper portion of the oil absorption cotton, the first side hole and the second side hole form a side air inlet atomization channel communicated with the atomization core. Compared with an existing smoke cartridge, an air inlet hole is formed in the bottom of the bottom cover, and the side air inlet atomization channel is beneficial for preventing condensate and tobacco tar mixed liquid generated when the electronic cigarette is used from leaking out of the bottom of the bottom cover.
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Description

Technical Field

[0001] The utility model relates to the technical field of electronic cigarettes, and in particular to a side air intake and leak-proof atomizing device. Background Art

[0002] An electronic cigarette is an electronic vaping product that electrically heats the liquid to form a vaporized aerosolized vapor for the user. Electronic cigarettes are primarily categorized as all-in-one and removable cartridges. Removable cartridges allow users to replace the cartridge (also known as the cartridge chamber or mouthpiece) instead of the entire device when the liquid runs out. Each cartridge typically contains pre-filled liquid and an atomizer, allowing users to simply remove the old cartridge and insert a new one to continue using the device. This design makes removable cartridges convenient to carry and allows for easy liquid changes, making them popular with both sellers and consumers. Existing cartridge atomizers typically feature an air inlet at the bottom that connects to the atomization channel within the atomizer core. Although the cartridges are equipped with absorbent cotton pads, adsorbed condensate and liquid can still seep downward due to gravity and flow out of the air inlet, contaminating the cartridge connection cavity of the electronic cigarette body. This can further penetrate the body and damage internal electronics, potentially damaging the device. Therefore, it is necessary to further optimize the existing electronic cigarette cartridges to solve the above technical problems. Utility Model Content

[0003] In view of this, the purpose of the present invention is to propose a side air intake and leak-proof atomization device, which effectively solves the problem of oil leakage in the above-mentioned electronic cigarette cartridge through the side air intake structure.

[0004] The technical solution disclosed by the utility model is a side air intake and leak-proof atomization device, comprising a cigarette cartridge main shell, an atomization core arranged in the cigarette cartridge main shell, and a bottom cover arranged at the lower end of the cigarette cartridge main shell, the upper end of the cigarette cartridge main shell is a suction mouth part, the suction port of the suction mouth part extends downward with a suction mouth inner tube, the upper end of the atomization core is connected to the lower end of the suction mouth inner tube, the lower end of the atomization core is sleeved with a sealing silicone member, the side wall of the sealing silicone member is tightly fitted and inserted into the cigarette cartridge main shell, the side wall of the cigarette cartridge main shell near its lower end is provided with at least a first side hole, the side wall of the bottom cover is provided with a second side hole corresponding to the first side hole, the bottom cover is provided with an electrode terminal connected to the atomization core, and oil-absorbing cotton, the upper part of the oil-absorbing cotton and the first side hole and the second side hole form a side air intake atomization channel connected to the atomization core.

[0005] Preferably, the side walls of the main shell of the cigarette cartridge near its lower port are symmetrically provided with a first side hole A and a first side hole B, and the side walls of the bottom cover are provided with a second side hole A connected to the first side hole A and a second side hole B connected to the first side hole B, respectively.

[0006] Preferably, the atomizer core includes an atomizer core cover, an atomizer core bracket, and a heating wire. The heating wire is in a mesh column shape. The heating wire is covered with an inner cotton tube and then as a whole is set in the atomizer core bracket. The atomizer core bracket is covered with an outer cotton tube and then as a whole is set in the atomizer core cover. The atomizer core cover and the atomizer core bracket are provided with oil guide holes, and the lower end of the atomizer core bracket is provided with a notch for side air intake.

[0007] Furthermore, the lower end of the atomizer core bracket is sheathed with insulating silicone, and a snap-on connector for connecting the lower end of the atomizer core bracket is provided at the center of the bottom cover. The snap-on connector is an upwardly protruding cylindrical socket, and inverted hook-shaped snap portions are symmetrically provided on two sides of the outer wall of the cylindrical socket. The side wall of the atomizer core bracket near its lower end is provided with a bayonet for engaging with the inverted hook-shaped snap portion.

[0008] Furthermore, the upper outer wall of the atomizer core cover of the bottom cover is provided with a first concave ring position, and a first O-ring is sleeved in the first concave ring position. The upper end of the atomizer core cover is inserted into the inner tube of the suction port, and the upper outer wall of the atomizer core cover and the inner wall of the inner tube of the suction port are sealed by the first O-ring.

[0009] Furthermore, the lower end of the electrode terminal is provided with a second concave ring position on the outer wall, the second concave ring position is sleeved with a second O-ring, and the electrode terminal and the second O-ring are sleeved with an insulation tube, and the insulation tube is made of PEEK material.

[0010] Furthermore, the outer wall of the main shell of the cigarette cartridge is provided with an oil filling port and a silicone oil plug plugged in the oil filling port.

[0011] Furthermore, a groove is provided at the bottom of the bottom cover, and a magnet is embedded in the groove.

[0012] The beneficial effects of the present invention are as follows: the electronic cigarette atomizer device designed by the present technical solution has at least the following two main innovative designs and advantages. On the one hand, a first side hole is provided on the side wall near the lower end of the main shell of the cigarette cartridge, and a second side hole is provided on the side wall of the bottom cover that is connected to the first side hole. An oil-absorbing cotton is still provided in the bottom cover below the atomizer core. The upper part of the oil-absorbing cotton forms a side air intake atomization channel connected to the atomizer core with the first side hole and the second side hole. The condensate and smoke-liquid mixture generated by the atomizer device flows from the atomizer core to the oil-absorbing cotton for absorption. Even if the condensate and smoke-liquid mixture reach a certain level, it is only absorbed by the oil-absorbing cotton and will not flow out from the first side hole and the second side hole. On the other hand, an insulating tube is provided on the outer sleeve of the electrode terminal to prevent the heating wire of the atomizer core and the electrode terminal from direct contact with the bottom cover. Excessive temperature can easily cause the bottom cover to be burned and deformed, which helps to prevent the condensate and smoke-liquid mixture from leaking from the electrode terminal of the bottom cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1It is a schematic diagram of the overall structure decomposition of the utility model.

[0014] Figure 2 It is a top view of the overall assembly structure of the utility model.

[0015] Figure 3 for Figure 2 AA cross-section diagram.

[0016] Figure 4 It is a three-dimensional diagram of the overall assembly structure of the utility model.

[0017] Figure 5 This is a schematic diagram of the airflow direction of the side air inlet atomization channel of the present invention. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present disclosure, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present disclosure without making any creative efforts are also within the scope of protection of the present disclosure.

[0019] Please refer to Figures 1 to 5 , which is an embodiment of a side air intake and leak-proof atomizer device provided by the present technical solution. The atomizer device belongs to the cartridge part of a cartridge-changing electronic cigarette, which mainly includes a cartridge main shell 1, an atomizer core 2 arranged in the cartridge main shell 1, and a bottom cover 3 arranged at the lower end of the cartridge main shell 1. The upper end of the cigarette cartridge main shell 1 is a mouthpiece 101, and the mouthpiece of the mouthpiece 101 extends downward with an inner mouthpiece tube 102. The upper end of the atomizer core 2 is connected to the lower end of the inner mouthpiece tube 102, and the lower end of the atomizer core 2 is sleeved with a sealing silicone member 4. The side wall of the sealing silicone member 4 is tightly fitted into the main shell 1 of the cigarette cartridge. The side wall of the main shell 1 of the cigarette cartridge near its lower end is provided with at least one first side hole, and the side wall of the bottom cover 3 is provided with a second side hole connected to the first side hole. The bottom cover 3 is provided with an electrode terminal 5 connected to the atomizer core 2, and oil-absorbing cotton 6. The upper part of the oil-absorbing cotton 6 forms a side air intake atomization channel connected to the atomizer core 2 with the first side hole and the second side hole.

[0020] As a preference, please refer to Figure 3 、 Figure 5 The cartridge main housing 1 has a first side hole A103 and a first side hole B104 symmetrically positioned on its side wall near its lower end. The bottom cover 3 has a second side hole A301 and a second side hole B302 symmetrically positioned on its side wall, connecting to the first side hole A103 and B104, respectively. Providing two symmetrical side air inlets on either side facilitates more uniform air flow into the atomizer core 2, providing sufficient air for atomizing the e-liquid.

[0021] Please refer to Figure 1 、 Figure 3 Preferably, the atomizer core 2 includes an atomizer core cover 21, an atomizer core bracket 22, and a heating wire 23. The heating wire 23 is in a mesh column shape. The heating wire 23 is covered with an inner cotton tube 24 and then entirely mounted within the atomizer core bracket 22. The atomizer core bracket 22 is covered with an outer cotton tube 25 and then entirely mounted within the atomizer core cover 21. The atomizer core cover 21 and the atomizer core bracket 22 are provided with oil guide holes, and the lower end of the atomizer core bracket 22 is provided with a notch 221 for side air intake. By designing a double cotton tube as an oil guide cotton to absorb smoke oil, a better oil guide quantity and oil guide stability are achieved, preventing dry burning.

[0022] Please refer to Figure 1 、 Figure 2 Furthermore, the lower end of the atomizer core holder 22 is sheathed with insulating silicone 26. A snap-fit ​​connector for connecting the lower end of the atomizer core holder 22 is provided in the center of the bottom cover 3. The snap-fit ​​connector is an upwardly protruding cylindrical socket, with inverted hook-shaped snap portions 303 symmetrically arranged on two sides of the outer wall of the cylindrical socket. The side wall of the atomizer core holder 22 near its lower end is provided with a bayonet 222 for engaging with the inverted hook-shaped snap portions 303. The plug-in connection between the lower end of the atomizer core holder 22 and the bottom cover 3 ensures that the atomizer core 2 is not easily displaced even if it accidentally falls during transportation or use.

[0023] Furthermore, a first concave ring is provided on the upper outer wall of the atomizer core cover 21 of the bottom cover 3, and a first O-ring 27 is sleeved in the first concave ring. The upper end of the atomizer core cover 21 is inserted into the inner tube 102 of the suction port, and the upper outer wall of the atomizer core cover 21 and the inner wall of the inner tube 102 of the suction port are sealed by the first O-ring 27.

[0024] Furthermore, the lower end of the electrode terminal 5 is provided with a second concave ring portion on its outer wall. A second O-ring 51 is fitted within the second concave ring portion. A thermal insulation tube 7 is provided over the electrode terminal 5 and the second O-ring 51. The thermal insulation tube 7 is made of PEEK. The thermal insulation tube 7 prevents direct contact between the heating wire 23 of the atomizer core 2 and the electrode terminal 5 and the bottom cover 3, which could easily deform due to excessive heat. This helps prevent condensate and the e-liquid mixture from leaking from the electrode terminal 5 of the bottom cover 3.

[0025] Furthermore, the outer wall of the main shell 1 of the cigarette cartridge is provided with an oil filling port and a silicone oil plug 8 plugged in the oil filling port. The provision of the oil filling port facilitates secondary refilling of the cigarette oil after it is exhausted.

[0026] Furthermore, a groove is provided at the bottom of the bottom cover 3, and a magnet 9 is embedded in the groove. The magnet 9 is provided to realize a magnetic connection with the plug-in cavity of the electronic cigarette host, and the magnetic connection is convenient for plugging and unplugging.

[0027] While various embodiments of the present disclosure have been described above, the above descriptions are illustrative, non-exhaustive, and not intended to be limiting of the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is selected to best explain the principles of the embodiments, their practical applications, or improvements to existing technologies, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A side air intake and leak-proof atomizing device, comprising a cigarette cartridge main body (1), an atomizing core (2) arranged in the cigarette cartridge main body (1), and a bottom cover (3) arranged at the lower end of the cigarette cartridge main body (1), characterized in that: The upper end of the main shell (1) of the cigarette cartridge is a mouthpiece (101), and the mouthpiece of the mouthpiece (101) extends downward with an inner tube (102) of the mouthpiece, the upper end of the atomizing core (2) is connected to the lower end of the inner tube (102), and the lower end of the atomizing core (2) is sleeved with a sealing silicone member (4), and the side wall of the sealing silicone member (4) is tightly fitted and inserted into the main shell (1) of the cigarette cartridge, and the side wall of the main shell (1) of the cigarette cartridge near its lower end is provided with at least one first side hole, and the side wall of the bottom cover (3) is provided with a second side hole connected to the first side hole, and the bottom cover (3) is provided with an electrode terminal (5) connected to the atomizing core (2), and oil-absorbing cotton (6), and the upper part of the oil-absorbing cotton (6) forms a side air inlet atomization channel connected to the atomizing core (2) with the first side hole and the second side hole.

2. The side air intake and leak-proof atomizing device according to claim 1, characterized in that: The cigarette cartridge main housing (1) is provided with a first side hole A (103) and a first side hole B (104) at symmetrical positions on the side wall near the lower end thereof, and the side wall of the bottom cover (3) is provided with a second side hole A (301) and a second side hole B (302) respectively connected to the first side hole A (103) and the first side hole B (104).

3. The side air intake and leak-proof atomizing device according to claim 1, characterized in that: The atomizer core (2) comprises an atomizer core outer cover (21), an atomizer core bracket (22), and a heating wire (23). The heating wire (23) is in a mesh column shape. The heating wire (23) is provided with an inner cotton tube (24) on its outer cover and then is entirely sleeved in the atomizer core bracket (22). The atomizer core bracket (22) is provided with an outer cotton tube (25) on its outer cover and then is entirely sleeved in the atomizer core outer cover (21). The atomizer core outer cover (21) and the atomizer core bracket (22) are provided with oil guide holes. The lower end of the atomizer core bracket (22) is provided with a notch (221) for side air intake.

4. The side air intake and leak-proof atomizing device according to claim 3, characterized in that: The lower end of the atomizer core bracket (22) is sheathed with insulating silica gel (26), and a snap connection seat for connecting the lower end of the atomizer core bracket (22) is provided at the central position of the bottom cover (3), and the snap connection seat is an upwardly protruding cylindrical plug seat, and the outer wall of the cylindrical plug seat is symmetrically provided with inverted hook-shaped snap portions (303), and the side wall of the atomizer core bracket (22) near its lower end is provided with a bayonet (222) for being snapped with the inverted hook-shaped snap portion (303).

5. The side air intake and leak-proof atomizing device according to claim 1, characterized in that: The upper outer wall of the atomizer core outer cover (21) of the bottom cover (3) is provided with a first concave ring position, and a first O-ring (27) is sleeved in the first concave ring position. The upper end of the atomizer core outer cover (21) is inserted into the inner tube (102) of the suction port, and the upper outer wall of the atomizer core outer cover (21) and the inner wall of the inner tube (102) of the suction port are sealed by the first O-ring (27).

6. The side air intake and leak-proof atomizing device according to claim 1, characterized in that: The lower end of the electrode terminal (5) is provided with a second concave ring position on the outer wall, and a second O-ring (51) is sleeved in the second concave ring position. The electrode terminal (5) and the second O-ring (51) are also sleeved with a heat insulation tube (7), and the heat insulation tube (7) is made of PEEK material.

7. The side air intake and leak-proof atomizing device according to claim 1, characterized in that: The outer wall of the cigarette cartridge main shell (1) is provided with an oil filling port and a silicone oil plug (8) plugged in the oil filling port.

8. The side air intake and leak-proof atomizing device according to claim 1, characterized in that: A groove is provided at the bottom of the bottom cover (3), and a magnet (9) is embedded in the groove.