Oil bin with pressure relief structure and electronic cigarette

By setting pressure relief holes and exhaust channels on the top of the oil tank shell, combined with buffer pads and oil-absorbing cotton, the problem of overpressure or underpressure in the oil tank is solved, improving the user experience and stability of e-cigarettes.

CN223528965UActive Publication Date: 2025-11-11SHENZHEN HEAT TECH CO LTD
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Patent Information

Application Number
CN202422874468.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-11-11
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Existing e-liquid tanks are prone to low pressure when e-liquid levels decrease or high pressure when vapor overflows, affecting the heating effect of the e-liquid and the user experience.

Method used

A pressure relief hole is set at the top of the oil tank shell, and it is connected to the mouthpiece through a buffer pad and an exhaust channel. Oil-absorbing cotton is installed to control the gas flow and avoid over-pressure or under-pressure of the oil tank.

Benefits of technology

The pressure relief structure effectively regulates the air pressure inside the oil tank, improving the user experience, avoiding over- or under-pressure issues in the oil tank, and enhancing the stability and comfort of the e-cigarette.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of electronic cigarettes, and provides an oil bin with a pressure relief structure and an electronic cigarette, the oil bin with the pressure relief structure comprises a shell, oil storage cotton and an atomizing core assembly are arranged in the shell, the atomizing core assembly penetrates through the shell and then is communicated with a cigarette holder located above the shell, one or more pressure relief holes are formed in the top of the shell, and the pressure relief holes are communicated with the atomizing core assembly. A buffer pad is arranged between the shell and the cigarette holder, one or more exhaust grooves matched with the pressure relief hole are formed in the buffer pad, and the pressure relief hole is communicated with the cigarette holder through the exhaust grooves. According to the electronic cigarette, the defect of overpressure or underpressure of the oil bin of the electronic cigarette in the prior art can be overcome.
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Description

Technical Field

[0001] This utility model relates to the field of electronic cigarettes, and in particular to an oil tank with a pressure relief structure and an electronic cigarette. Background Technology

[0002] As people become more health-conscious and aware of the harmful effects of tobacco, e-cigarettes have emerged. E-cigarettes typically deliver e-liquid to users through an atomizer. During the e-liquid's production, harmful substances such as nicotine and tar are removed, eliminating their harmful effects. Furthermore, because e-liquids lack nicotine and tar, users' cravings gradually decrease, thus e-cigarettes can aid in smoking cessation. With the rapid development of e-cigarettes, designers are constantly considering environmental issues and prioritizing the consumer experience.

[0003] In current e-cigarette products on the market, the atomizer coil is located within the e-liquid tank. The heating wire in the atomizer coil heats the e-liquid permeated with heating cotton, producing vapor. This vapor travels outward from the inside of the atomizer coil and is then inhaled. In this structure, due to the sealed design of the e-liquid tank, it is prone to under-pressure when the e-liquid level decreases, or over-pressure when vapor overflows into the tank. This can affect the heating effect of the e-liquid. Utility Model Content

[0004] In view of the above technical problems, this utility model provides an oil tank and an electronic cigarette with a pressure relief structure to solve the overpressure or underpressure defects of the oil tank in the prior art of electronic cigarettes.

[0005] Other features and advantages of this invention will become apparent from the following detailed description, or may be learned in part by practice of this invention.

[0006] According to one aspect of this utility model, an oil tank with a pressure relief structure is disclosed, including a shell, an oil storage cotton and an atomizing core assembly are disposed inside the shell, the atomizing core assembly passes through the shell and communicates with a mouthpiece located above the shell, one or more pressure relief holes are disposed at the top of the shell, a buffer pad is disposed between the shell and the mouthpiece, and one or more exhaust grooves that cooperate with the pressure relief holes are disposed on the buffer pad, the pressure relief holes are connected to the mouthpiece through the exhaust grooves.

[0007] Furthermore, oil-absorbing cotton is also provided between the buffer pad and the mouthpiece.

[0008] According to a second aspect of this disclosure, an electronic cigarette is disclosed, including an oil tank as described above, and an oil bottle located below the oil tank, with an oil inlet provided at the bottom of the oil tank for inserting the oil bottle.

[0009] Furthermore, the electronic cigarette includes a body assembly and a cartridge assembly. The cartridge assembly includes the oil bottle, the oil tank, and the mouthpiece. The body assembly includes a circuit board and a battery. The body assembly and the cartridge assembly are detachably connected. The cartridge assembly is provided with a spring pin that is electrically connected to the atomizing core assembly. The body assembly is provided with contacts that are electrically connected to the circuit board and the battery. When the body assembly and the cartridge assembly are connected, the spring pin contacts the contacts.

[0010] By adopting the above solution, the beneficial effects of this utility model are:

[0011] One or more pressure relief holes are provided on the top of the housing so that excess gas in the oil tank can be discharged to the mouthpiece along the exhaust channel, avoiding over-pressure or under-pressure in the oil tank and improving the user experience. Attached Figure Description

[0012] Figure 1 This is an exploded view of the oil bottle according to an embodiment of the present invention;

[0013] Figure 2 A schematic diagram of the structure of the oil bottle according to an embodiment of this utility model;

[0014] Figure 3 This is a cross-sectional view of the cigarette cartridge assembly according to an embodiment of the present utility model;

[0015] Figure 4 This is an exploded structural view of the cigarette cartridge assembly according to an embodiment of the present utility model;

[0016] Figure 5 This is an exploded structural diagram of the cigarette cartridge assembly and the body assembly according to an embodiment of the present utility model.

[0017] The following are explanations of the labels in the attached diagram:

[0018] 100. Cartridge assembly; 11. Shell; 111. Pressure relief hole; 112. Oil inlet; 12. Oil reservoir cotton; 13. Atomizer core assembly; 14. Mouthpiece; 15. Buffer pad; 151. Exhaust channel; 16. Oil-absorbing cotton; 17. Oil bottle; 18. Electrode pin; 200. Body assembly. Detailed Implementation

[0019] Typical embodiments embodying the features and advantages of this utility model will be described in detail in the following description. It should be understood that this utility model can have various variations in different embodiments, all of which do not depart from the scope of this utility model, and the descriptions and illustrations therein are for illustrative purposes only and not intended to limit this utility model.

[0020] like Figure 1-4As shown, an oil tank with a pressure relief structure includes a housing 11. An oil storage cotton 12 and an atomizing core assembly 13 are disposed inside the housing 11. The atomizing core assembly 13 passes through the housing 11 and communicates with a mouthpiece 14 located above the housing 11. One or more pressure relief holes 111 are provided on the top of the housing 11. A buffer pad 15 is provided between the housing 11 and the mouthpiece 14. One or more exhaust grooves 151 that cooperate with the pressure relief holes 111 are provided on the buffer pad 15. The pressure relief holes 111 are connected to the mouthpiece 14 through the exhaust grooves 151.

[0021] An oil-absorbing cotton 16 is also provided between the buffer pad 15 and the mouthpiece 14. Based on the oil-absorbing cotton 16, it can absorb the slight spillage of e-liquid when the gas is discharged through the pressure relief hole 111.

[0022] According to another aspect of this embodiment, such as Figure 1-5 As shown, an electronic cigarette is provided, including an oil tank as described above, and an oil bottle 17. The oil bottle 17 is located below the oil tank, and an oil inlet 112 for inserting the oil bottle 17 is provided at the bottom of the oil tank.

[0023] Specifically, the electronic cigarette includes a body assembly 200 and a cartridge assembly 100. The cartridge assembly 100 includes an oil bottle 17, an oil tank, and a mouthpiece 14. The body assembly 200 includes a circuit board and a battery. The body assembly 200 and the cartridge assembly 100 are detachably connected. The cartridge assembly 100 is provided with a spring pin 18 that is electrically connected to the atomizing core assembly 13. The body assembly 200 is provided with contacts that are electrically connected to the circuit board and the battery. When the body assembly 200 and the cartridge assembly 100 are connected, the spring pin 18 contacts the contacts.

[0024] Working principle:

[0025] When inhaling an electronic cigarette, an airflow sensor located inside or outside the e-liquid tank senses the inhalation action and transmits it to the circuit board. The circuit board controls the contacts to be energized, and the energizer is conducted through the spring pin 18 to the atomizer core assembly 13. The atomizer core assembly 13 heats the e-liquid in the e-liquid tank to produce vapor, which is then drawn out from the mouthpiece 14.

[0026] When there is excess gas inside the oil tank, it is discharged along multiple pressure relief holes 111 and converges into the mouthpiece 14 through the corresponding exhaust channels 151. Since the mouthpiece 14 is connected to the outside, the excess gas is discharged from the mouthpiece 14. Similarly, when there is a low pressure in the oil tank, the external gas flows into the oil tank along the mouthpiece 14 and the exhaust channels 151.

[0027] Beneficial effects:

[0028] One or more pressure relief holes 111 are provided on the top of the housing 11 so that excess gas in the oil tank can be discharged out of the mouthpiece 14 along the exhaust groove 151, avoiding over-pressure or under-pressure in the oil tank and improving the user experience.

[0029] Although this disclosure has been described with reference to several typical embodiments, it should be understood that the terminology used is descriptive and exemplary, and not restrictive. Because this disclosure can be embodied in many forms without departing from the spirit or essence of the utility model, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. An oil tank with a pressure relief structure, characterized in that, The device includes a housing, inside which are disposed an oil-retaining cotton and an atomizing core assembly. The atomizing core assembly passes through the housing and communicates with a mouthpiece located above the housing. One or more pressure relief holes are provided on the top of the housing. A buffer pad is provided between the housing and the mouthpiece. One or more exhaust grooves that cooperate with the pressure relief holes are provided on the buffer pad. The pressure relief holes are connected to the mouthpiece through the exhaust grooves.

2. The oil tank with a pressure relief structure according to claim 1, characterized in that, Oil-absorbing cotton is also provided between the buffer pad and the mouthpiece.

3. An electronic cigarette, characterized in that, The oil tank as described in any one of claims 1-2 further includes an oil bottle located below the oil tank, and the bottom of the oil tank is provided with an oil inlet for inserting the oil bottle.

4. The electronic cigarette according to claim 3, characterized in that, The electronic cigarette includes a body assembly and a cartridge assembly. The cartridge assembly includes an oil bottle, an oil tank, and a mouthpiece. The body assembly includes a circuit board and a battery. The body assembly and the cartridge assembly are detachably connected. The cartridge assembly is provided with a spring pin that is electrically connected to the atomizing core assembly. The body assembly is provided with contacts that are electrically connected to the circuit board and the battery. When the body assembly and the cartridge assembly are connected, the spring pin contacts the contacts.