An electronic cigarette with an external oil tank

Abstract

The utility model provides an external oil tank electronic cigarette, including a cigarette cartridge assembly and an external oil tank, the cigarette cartridge assembly includes a cigarette cartridge body, a mouthpiece arranged at the upper part of one end of the cigarette cartridge body, and an atomizer assembly arranged in the cigarette cartridge body and connected with the mouthpiece, the lower part of the other end of the cigarette cartridge body is provided with an oil tank connection port connected with the atomizer assembly, the cigarette cartridge body is provided with a longitudinally arranged limit groove above the oil tank connection port, the limit groove is provided with a closing ball that can move up and down and can close the oil tank connection port, the external oil tank includes a bottle body and a bottle mouthpiece arranged at one end of the bottle body and detachably connected with the oil tank connection port. The utility model can realize the oil replenishment operation by simply inverting, and its structure is simple, the manufacturing cost is low, it is easy to use, and it greatly improves the user experience.

Description

Technical Field

[0001] The utility model relates to the field of electronic cigarettes, in particular to an electronic cigarette with an external oil tank. Background Art

[0002] Due to regulatory requirements in Europe, the capacity of a single atomizer is limited to 2ml, and many users use it up in less than a day. Users need to constantly open the atomizer to refill the oil.

[0003] For rechargeable disposable e-cigarettes, under the premise of pursuing lightweight, convenient and easy to use, the way we increase the number of puffs of battery life is to add an external oil tank (e-liquid bottle) or make the atomizer refillable. However, refillable atomizers are prone to oil overflow due to improper oil filling by consumers.

[0004] There are already external oil tank solutions on the market, which use a push-type oil filling method. The pressing time is long, the oil filling is slow, the hands will feel uncomfortable, and the consumer experience is not good. Utility Model Content

[0005] In order to solve the problem of inconvenient oil filling of an external oil tank in the prior art, the utility model provides an external oil tank electronic cigarette that can automatically fill oil.

[0006] The utility model provides an external oil tank electronic cigarette, comprising a cigarette cartridge assembly and an external oil tank, the cigarette cartridge assembly comprising a cigarette cartridge body, a cigarette holder arranged at the upper part of one end of the cigarette cartridge body, and an atomizer assembly arranged in the cigarette cartridge body and connected with the cigarette holder, an oil tank connecting port connected with the atomizer assembly is arranged at the lower part of the other end of the cigarette cartridge body, a longitudinally arranged limiting groove is arranged in the cigarette cartridge body above the oil tank connecting port, a closing ball which can move up and down and can close the oil tank connecting port is arranged in the limiting groove, and the external oil tank comprises a bottle body and a bottle mouth arranged at one end of the bottle body and detachably connected with the oil tank connecting port.

[0007] As a further improvement of the utility model, the atomizer assembly includes a main oil tank arranged in the cigarette cartridge body and an atomization core arranged in the main oil tank, and the oil tank connecting port is connected to the main oil tank through a limiting groove.

[0008] As a further improvement of the utility model, a sealing silicone pad is provided at the lower end of the cigarette cartridge body, and a silicone connecting hole is provided at one end of the sealing silicone pad. The silicone connecting hole is provided between the limiting groove and the oil tank connecting port, and the diameter of the silicone connecting hole is smaller than the diameter of the closed ball.

[0009] As a further improvement of the utility model, a sealing ring is further provided in the oil tank connecting port.

[0010] As a further improvement of the utility model, the oil tank connection port is a threaded connection port, and the bottle mouth is provided with an external thread that matches the threaded connection port.

[0011] As a further improvement of the utility model, the closed ball is a glass ball, a ceramic ball or a stainless steel ball.

[0012] As a further improvement of the present invention, the external oil tank electronic cigarette also includes a cigarette rod assembly, which includes a shell, a battery and a circuit board. A battery accommodating cavity is provided on one side of the shell, and an external oil tank accommodating cavity for accommodating the bottle body is provided on the other side of the shell. The circuit board is arranged at the bottom of the shell, the battery is arranged in the battery accommodating cavity and is electrically connected to the circuit board, and a conductive contact pin electrically connected to the circuit board is provided at the upper end of the battery accommodating cavity, and the atomizer assembly also includes a conductive contact arranged at the lower end of the cigarette cartridge body and adapted to the conductive contact pin, and the conductive contact is electrically connected to the atomization core.

[0013] As a further improvement of the utility model, the cigarette cartridge body is snap-connected to the upper end of the shell.

[0014] The beneficial effects of the utility model are as follows: the oil replenishing operation can be realized by simply inverting the utility model, the utility model has a simple structure, low manufacturing cost, and is easy to use, which greatly improves the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the exploded structure of an external oil tank electronic cigarette of the utility model;

[0016] Figure 2 This is a cross-sectional view of the utility model after the cigarette cartridge assembly of the external oil tank electronic cigarette and the external oil tank are assembled;

[0017] Figure 3 This is a cross-sectional view of a cartridge assembly of an external oil tank electronic cigarette of the utility model;

[0018] Figure 4 It is a schematic diagram of the internal state of a cigarette cartridge assembly of an external oil tank electronic cigarette when filling oil.

[0019] Figure numerals: 1-cartridge assembly; 2-external oil tank; 3-cigarette rod assembly; 11-cartridge body; 12-mouthpiece; 13-atomizer assembly; 14-oil tank connection port; 15-limiting groove; 16-sealing ball; 17-sealing silicone pad; 18-sealing ring. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be understood that if there are descriptions involving orientation, such as orientations or positional relationships indicated by up, down, front, back, left, and right, the orientation description may be based on the orientation or positional relationships shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0021] In the description of the utility model, if there is a description of quantity, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of first or second, it is only used to distinguish the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0023] like Figures 1 to 4 As shown, the utility model discloses an external oil tank electronic cigarette, including a cigarette cartridge assembly 1 and an external oil tank 2, wherein the cigarette cartridge assembly 1 includes a cigarette cartridge body 11, a mouthpiece 12 disposed at an upper portion of one end of the cigarette cartridge body 11, and an atomizer assembly 13 disposed in the cigarette cartridge body 11 and connected to the mouthpiece 12, an oil tank connection port 14 connected to the atomizer assembly 13 is disposed at the lower portion of the other end of the cigarette cartridge body 11, and a A longitudinally arranged limiting groove 15 is provided on the top, and a closing ball 16 which can move up and down and can close the oil tank connecting port 14 is provided in the limiting groove 15. The external oil tank 2 includes a bottle body and a bottle mouth provided at one end of the bottle body and detachably connected to the oil tank connecting port 14. The atomizer assembly 13 includes a main oil tank provided in the cigarette cartridge body 11 and an atomization core provided in the main oil tank. The oil tank connecting port 14 is connected to the main oil tank through the limiting groove 15.

[0024] When the oil filling is completed, the cigarette cartridge assembly 1 is turned over again. At this time, the closing ball 16 will cover the upper end of the oil tank connecting port 14 under the action of gravity to close the oil tank connecting port 14, thus stopping the oil filling operation, and the smoke oil in the main oil tank will not flow back into the external oil tank 2.

[0025] The utility model can realize automatic oil filling of the main oil tank only by turning over the electronic cigarette, which is simple and convenient to operate and greatly improves the user experience.

[0026] In the present invention, a sealing silicone pad 17 is provided at the lower end of the cigarette cartridge body 11, and a silicone communication hole is provided at one end of the sealing silicone pad 17. The silicone communication hole is provided between the limiting groove 15 and the oil tank connection port 14, and the diameter of the silicone communication hole is smaller than the diameter of the sealing ball 16. In this way, the sealing ball 16 cooperates with the silicone communication hole to improve the sealing effect of the oil tank connection port 14 and prevent the backflow of smoke oil.

[0027] In the utility model, a sealing ring 18 is further provided in the oil tank connection port 14 to ensure the connection sealing of the external oil tank 2 and prevent oil leakage.

[0028] In the present invention, the oil tank connection port 14 is a threaded connection port, and the bottle mouth is provided with an external thread matched with the threaded connection port, so that the disassembly and assembly are simple and convenient.

[0029] Of course, the connection between the external oil tank 2 and the oil tank connection port 14 can also be achieved through a snap-fit ​​structure.

[0030] In the present invention, the sealing ball 16 is a glass ball, a ceramic ball or a stainless steel ball, which has a corrosion-resistant effect.

[0031] In this embodiment, the diameter of the closed ball 16 is 6-10 mm, the diameter of the limiting groove 15 is 0.5 mm larger than the closed ball 16, the height of the limiting groove 15 is 5 mm higher than the closed ball 16, and the diameter of the oil tank connecting port 14 is 5 mm. This can not only meet the use requirements, but also reduce the overall volume as much as possible.

[0032] In the utility model, the external oil tank electronic cigarette also includes a cigarette rod assembly 3, which includes a shell, a battery and a circuit board. A battery accommodating cavity is provided on one side of the shell, and an external oil tank accommodating cavity for accommodating the bottle body is provided on the other side of the shell. The circuit board is arranged at the bottom of the shell, and the battery is arranged in the battery accommodating cavity and is electrically connected to the circuit board. A conductive contact pin electrically connected to the circuit board is provided at the upper end of the battery accommodating cavity. The atomizer assembly 13 also includes a conductive contact arranged at the lower end of the cigarette cartridge body 11 and adapted to the conductive contact pin. The conductive contact is electrically connected to the atomization core, and a charging interface for charging the battery is also provided at the lower end of the shell.

[0033] In the utility model, the cigarette cartridge body 11 is snap-connected to the upper end of the shell, so as to facilitate the quick disassembly and assembly of the cigarette cartridge assembly 1 and the cigarette rod.

[0034] The utility model can realize the oil replenishing operation by simply inverting, has a simple structure, low manufacturing cost, is easy to use, and greatly improves user experience.

[0035] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. An electronic cigarette with an external oil tank, characterized in that: The invention comprises a cigarette cartridge assembly and an external oil tank, wherein the cigarette cartridge assembly comprises a cigarette cartridge body, a mouthpiece arranged at the upper part of one end of the cigarette cartridge body, and an atomizer assembly arranged in the cigarette cartridge body and connected with the mouthpiece, an oil tank connecting port connected with the atomizer assembly is arranged at the lower part of the other end of the cigarette cartridge body, a longitudinally arranged limiting groove is arranged in the cigarette cartridge body above the oil tank connecting port, a closing ball which can move up and down and can close the oil tank connecting port is arranged in the limiting groove, and the external oil tank comprises a bottle body and a bottle mouthpiece arranged at one end of the bottle body and detachably connected with the oil tank connecting port.

2. The external oil tank electronic cigarette according to claim 1, characterized in that: The atomizer assembly includes a main oil tank arranged in the cigarette cartridge body and an atomizer core arranged in the main oil tank, and the oil tank connecting port is connected to the main oil tank through a limiting groove.

3. The external oil tank electronic cigarette according to claim 1, characterized in that: A sealing silicone pad is provided at the lower end of the cigarette cartridge body, and a silicone connecting hole is provided at one end of the sealing silicone pad. The silicone connecting hole is provided between the limiting groove and the oil tank connecting port, and the diameter of the silicone connecting hole is smaller than the diameter of the closed ball.

4. The external oil tank electronic cigarette according to claim 1, characterized in that: A sealing ring is also arranged in the oil tank connection port.

5. The external oil tank electronic cigarette according to claim 1, characterized in that: The oil tank connection port is a threaded connection port, and the bottle mouth is provided with an external thread matched with the threaded connection port.

6. The external oil tank electronic cigarette according to claim 1, characterized in that: The closed ball is a glass ball, a ceramic ball or a stainless steel ball.

7. The external oil tank electronic cigarette according to claim 2, characterized in that: The external oil tank electronic cigarette also includes a cigarette rod assembly, which includes a shell, a battery and a circuit board. A battery accommodating cavity is provided on one side of the shell, and an external oil tank accommodating cavity for accommodating the bottle body is provided on the other side of the shell. The circuit board is arranged at the bottom of the shell, the battery is arranged in the battery accommodating cavity and is electrically connected to the circuit board, and a conductive contact pin electrically connected to the circuit board is provided at the upper end of the battery accommodating cavity. The atomizer assembly also includes a conductive contact arranged at the lower end of the cigarette cartridge body and adapted to the conductive contact pin, and the conductive contact is electrically connected to the atomization core.

8. The external oil tank electronic cigarette according to claim 7, characterized in that: The cigarette cartridge body is snap-connected to the upper end of the shell.

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