Electronic cigarette with externally-hung oil tank

Abstract

The electronic cigarette with the externally-hung oil tank comprises a cigarette cartridge assembly and the externally-hung oil tank, the cigarette cartridge assembly comprises an oil cup and an atomizing core assembly arranged in the oil cup, a plurality of communicating holes are formed in one side of the oil cup, oil blocking silica gel sheets are arranged in the communicating holes, a plurality of notches are formed in the middle of each oil blocking silica gel sheet, and the outer side of each oil blocking silica gel sheet is provided with an air inlet. A communicating pipe capable of penetrating through the communicating holes and the oil blocking silica gel sheets is arranged on one side of the externally-hung oil tank, and the communicating holes are further provided with detachable sealing silica gel plugs. The communication hole with the oil blocking silica gel sheet is formed in the side face of the oil cup and communicated with the externally-hung oil tank, supplement of tobacco tar is guaranteed, the notch is formed in the oil blocking silica gel sheet to achieve closing and opening of the communication hole, the structure is simple, the externally-hung oil tank is connected conveniently and rapidly, oil leakage of the communication hole can be prevented, and user experience is greatly improved.

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] The characteristic of disposable electronic cigarette atomizers is that they are discarded after smoking, and the service life of the atomizer core and the battery core is often not well utilized, resulting in a lot of waste. There are also disposable electronic cigarettes with large puffs on the market, but the larger the puffs, the more oil is required, so the device will be larger, which is very inconvenient to carry and use.

[0003] For rechargeable disposable electronic cigarettes, there are also ways to make electronic cigarettes refillable. However, the structure design of refillable electronic cigarettes is relatively complex, with many parts and components, and the operation is troublesome. It is easy for consumers to leak oil during the oil change process and easily cause oil overflow due to improper oil filling. Utility Model Content

[0004] In order to solve the problem in the prior art that electronic cigarettes leak due to repeated refilling and have a complicated structure, the utility model provides an electronic cigarette with an external mailbox.

[0005] The utility model provides an electronic cigarette with an external oil tank, comprising a cigarette cartridge assembly and an external oil tank, the cigarette cartridge assembly comprising an oil cup and an atomizing core assembly arranged in the oil cup, a plurality of connecting holes are arranged on one side of the oil cup, an oil-blocking silicone sheet is arranged in the connecting holes, a plurality of incisions are arranged in the middle of the oil-blocking silicone sheet, a connecting tube capable of passing through the plurality of connecting holes and the oil-blocking silicone sheet is arranged on one side of the external oil tank, and a detachable sealing silicone plug is also arranged on the connecting hole.

[0006] As a further improvement of the present invention, there are two communicating holes arranged along the length direction of the oil cup, and there are two communicating pipes respectively adapted to the two communicating holes.

[0007] As a further improvement of the utility model, the incision on the oil-blocking silicone sheet is a cross-shaped incision or a radial incision.

[0008] As a further improvement of the present utility model, the electronic cigarette with an external oil tank also includes a cigarette rod assembly, which includes a shell and a PCBA board assembly and a battery arranged in the shell. The upper end of the shell is provided with a first accommodating cavity for inserting the cigarette cartridge assembly and a second accommodating cavity for inserting the external oil tank. The bottom of the first accommodating cavity is provided with a connecting contact pin for powering the atomization core assembly, and the connecting contact pin is electrically connected to the PCBA board assembly.

[0009] As a further improvement of the present invention, a third accommodating cavity is further provided in the shell at the lower end of the first accommodating cavity and the second accommodating cavity, and the PCBA board assembly and the battery are placed in the third accommodating cavity.

[0010] As a further improvement of the present invention, a first magnetic attraction mechanism is further provided between the first accommodating cavity and the cigarette cartridge assembly.

[0011] As a further improvement of the present invention, a second magnetic attraction mechanism is further provided between the second accommodating cavity and the external oil tank.

[0012] As a further improvement of the present invention, an air inlet passage communicating with the third accommodating chamber is further provided at the bottom of the first accommodating chamber, and an air inlet hole communicating with the outside is provided at the bottom of the third accommodating chamber.

[0013] As a further improvement of the utility model, a silicone seat is provided in the communicating hole, and the oil-blocking silicone sheet is provided on the silicone seat.

[0014] As a further improvement of the present invention, the PCBA board assembly includes a PCBA circuit board and a microphone assembly and a charging interface electrically connected to the PCBA circuit board, and a mounting hole adapted to the charging interface is provided at the bottom of the shell.

[0015] The beneficial effects of the utility model are as follows: the utility model provides a connecting hole with an oil-blocking silicone sheet on the side of the oil cup to connect with the external oil tank, thereby ensuring the replenishment of the smoke oil, and the connecting hole is closed and opened by providing an incision on the oil-blocking silicone sheet. The utility model has a simple structure, is convenient and quick to connect to the external oil tank, can also prevent oil leakage from the connecting hole, and greatly improves the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an electronic cigarette with an external oil tank of the utility model;

[0017] Figure 2 This is a schematic diagram of the exploded structure of an electronic cigarette with an external oil tank of the utility model;

[0018] Figure 3 It is a side structural schematic diagram of a cigarette cartridge assembly of an electronic cigarette with an external oil tank according to the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of a cartridge assembly of an electronic cigarette with an external oil tank according to the utility model;

[0020] Figure 5 It is a structural schematic diagram of a closed state of an oil-blocking silicone sheet of an electronic cigarette with an external oil tank according to the utility model;

[0021] Figure 6 It is a structural schematic diagram of an oil-blocking silicone sheet of an electronic cigarette with an external oil tank in an open state according to the utility model;

[0022] Figure 7 It is a partial cross-sectional structural schematic diagram of an electronic cigarette with an external oil tank of the utility model;

[0023] Figure 8 The utility model is a structural schematic diagram of a cigarette cartridge assembly of an electronic cigarette with an external oil tank after a sealing silicone plug is installed.

[0024] Figure numerals: 1-cartridge assembly; 2-external oil tank; 3-rod assembly; 11-oil cup; 12-atomizer core assembly; 13-sealing silicone plug; 111-connecting hole; 112-oil-blocking silicone sheet; 113-silicone seat; 21-connecting pipe; 31-shell; 32-first accommodating chamber; 33-second accommodating chamber; 34-connecting contact pin; 35-first magnetic attraction mechanism; 36-second magnetic attraction mechanism; 37-PCBA board assembly; 38-battery. DETAILED DESCRIPTION

[0025] 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.

[0026] 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.

[0027] 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.

[0028] like Figures 1 to 8As shown, the utility model discloses an electronic cigarette with an external oil tank, including a cigarette cartridge assembly 1 and an external oil tank 2, the cigarette cartridge assembly 1 including an oil cup 11 and an atomizing core assembly 12 arranged in the oil cup 11, a plurality of connecting holes 111 are arranged on one side of the oil cup 11, an oil-blocking silicone sheet 112 is arranged in the connecting holes 111, a plurality of incisions are arranged in the middle of the oil-blocking silicone sheet 112, a connecting tube 21 capable of passing through the plurality of connecting holes 111 and the oil-blocking silicone sheet 112 is arranged on one side of the external oil tank 2, and a detachable sealing silicone plug 13 is also arranged on the connecting hole 111.

[0029] When the e-liquid in the oil cup 11 is used up, the sealing silicone plug 13 on the connecting hole 111 is first removed. At this time, the incision of the oil-blocking silicone sheet 112 in the connecting hole 111 is in a closed state. Due to the molecular tension of the e-liquid itself, it is difficult for it to overflow from the tiny incision, thereby avoiding the occurrence of oil leakage. Then the connecting pipe 21 of the external oil tank 2 filled with oil is correspondingly inserted into the connecting hole 111. At this time, the connecting pipe 21 will push open the incision of the oil-blocking silicone sheet 112, thereby realizing the connection between the external oil tank 2 and the oil cup 11.

[0030] In the present invention, there are two communicating holes 111 arranged along the length direction of the oil cup 11, and there are two communicating pipes 21 respectively adapted to the two communicating holes 111, wherein the communicating pipe 21 at the lower end is arranged at the bottom of the external oil tank 2, so that the oil in the external oil tank 2 can be fully flowed into the oil cup 11, and when the user smokes, the oil in the external oil tank 2 will flow into the oil cup 11 from the communicating pipe 21 at the lower end, and the communicating pipe 21 at the upper end allows air to enter, so that the oil in the external oil tank 2 can be smoothly flowed out. When there is one communicating hole, it can be set to an elliptical structure, so that it has a larger connecting area, and the oil can be smoothly flowed out.

[0031] In the utility model, the incision on the oil-blocking silicone sheet 112 is a cross-shaped incision or a radial incision. Due to the characteristics of the silicone itself, even if a cross-shaped incision or a radial incision is set, under normal conditions, it can be ensured that the smoke oil will not flow out. The incision can be opened by inserting the connecting tube 21, and the closed state can be restored when the connecting tube 21 is pulled out. The structure is simple and convenient for quick access to the external oil tank 2.

[0032] In the utility model, the electronic cigarette with an external oil tank also includes a cigarette rod assembly 3, the cigarette rod assembly 3 includes a shell 31 and a PCBA board assembly 37 and a battery 38 arranged in the shell 31, the upper end of the shell 31 is provided with a first accommodating chamber 32 for inserting the cigarette cartridge assembly 1 and a second accommodating chamber 33 for inserting the external oil tank 2, the bottom of the first accommodating chamber 32 is provided with a connecting contact pin 34 for supplying power to the atomizing core assembly 12, and the connecting contact pin 34 is electrically connected to the PCBA board assembly 37. By providing the first accommodating chamber 32 and the second accommodating chamber 33, the cigarette cartridge assembly 1 and the external oil tank 2 after splicing can be limited and fixed, ensuring the reliable connection between the external oil tank 2 and the oil cup 11, and the structure is simple, and the installation is convenient and quick.

[0033] In the present invention, a third accommodating cavity is further provided in the shell 31 at the lower end of the first accommodating cavity 32 and the second accommodating cavity 33 , and the PCBA board assembly 37 and the battery 38 are placed in the third accommodating cavity.

[0034] In the present invention, a first magnetic attraction mechanism 35 is further provided between the first accommodating chamber 32 and the cigarette cartridge assembly 1, and a second magnetic attraction mechanism 36 is further provided between the second accommodating chamber 33 and the external oil tank 2, so that the connection between the cigarette cartridge assembly 1 and the external oil tank 2 and the housing 31 can be stable and will not fall off at will. The structure of the first magnetic attraction mechanism 35 and the second magnetic attraction mechanism 36 can be that a magnet is provided in the first accommodating chamber 32 and the second accommodating chamber 33, and then another magnet adapted thereto is provided at the lower end of the cigarette cartridge assembly 1 and the lower end of the external mailbox to realize the magnetic attraction structure.

[0035] In the present invention, an air inlet passage communicating with the third accommodating chamber is further provided at the bottom of the first accommodating chamber 32 , and an air inlet hole communicating with the outside is provided at the bottom of the third accommodating chamber for the entry of external air.

[0036] In the utility model, a silicone seat 113 is provided in the communicating hole 111 , and the oil-blocking silicone sheet 112 is provided on the silicone seat 113 , which facilitates the arrangement of the oil-blocking silicone sheet 112 .

[0037] In the present invention, the PCBA board assembly 37 includes a PCBA circuit board and a microphone assembly and a charging interface electrically connected to the PCBA circuit board. The bottom of the housing 31 is provided with a mounting hole adapted to the charging interface. The microphone assembly acts as a switch, and the charging interface is used to charge the battery 38.

[0038] The utility model provides a connecting hole 111 with an oil-blocking silicone sheet 112 on the side of the oil cup 11 to connect with the external oil tank 2, thereby ensuring the replenishment of the smoke oil, and the connecting hole 111 is closed and opened by providing an incision on the oil-blocking silicone sheet 112. The utility model has a simple structure, and the external oil tank 2 is connected conveniently and quickly, and can also prevent oil leakage from the connecting hole 111, thereby greatly improving the user experience.

[0039] The utility model has a simple structure, few parts, convenient assembly and simple operation.

[0040] 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: It includes a cigarette cartridge assembly and an external oil tank, the cigarette cartridge assembly includes an oil cup and an atomizer core assembly arranged in the oil cup, at least one connecting hole is provided on one side of the oil cup, an oil-blocking silicone sheet is provided in the connecting hole, a plurality of incisions are provided in the middle of the oil-blocking silicone sheet, a connecting tube capable of passing through the connecting hole and the oil-blocking silicone sheet is provided on one side of the external oil tank, and a detachable sealing silicone plug is also provided on the connecting hole.

2. The electronic cigarette with an external oil tank according to claim 1, characterized in that: There are two communicating holes, which are arranged along the length direction of the oil cup, and there are two communicating pipes, which are respectively adapted to the two communicating holes.

3. The electronic cigarette with an external oil tank according to claim 1 or 2, characterized in that: The incisions on the oil-blocking silicone sheet are cross-shaped incisions or radial incisions.

4. The electronic cigarette with an external oil tank according to claim 1, characterized in that: The electronic cigarette with an external oil tank also includes a cigarette rod assembly, which includes a shell and a PCBA board assembly and a battery arranged in the shell. The upper end of the shell is provided with a first accommodating cavity for inserting the cigarette cartridge assembly and a second accommodating cavity for inserting the external oil tank. The bottom of the first accommodating cavity is provided with a connecting contact pin for powering the atomization core assembly, and the connecting contact pin is electrically connected to the PCBA board assembly.

5. The electronic cigarette with an external oil tank according to claim 4, characterized in that: A third accommodating cavity is further provided in the shell at the lower end of the first accommodating cavity and the second accommodating cavity, and the PCBA board assembly and the battery are placed in the third accommodating cavity.

6. The electronic cigarette with an external oil tank according to claim 4, characterized in that: A first magnetic attraction mechanism is also provided between the first accommodating cavity and the cigarette cartridge assembly.

7. The electronic cigarette with an external oil tank according to claim 6, characterized in that: A second magnetic attraction mechanism is also provided between the second accommodating cavity and the external oil tank.

8. The electronic cigarette with an external oil tank according to claim 5, characterized in that: An air inlet passage communicating with the third accommodating chamber is also provided at the bottom of the first accommodating chamber, and an air inlet hole communicating with the outside is provided at the bottom of the third accommodating chamber.

9. The electronic cigarette with an external oil tank according to claim 1, characterized in that: A silicone seat is arranged in the communicating hole, and the oil-blocking silicone sheet is arranged on the silicone seat.

10. The electronic cigarette with an external oil tank according to claim 4, characterized in that: The PCBA board assembly includes a PCBA circuit board and a microphone assembly and a charging interface electrically connected to the PCBA circuit board. The bottom of the shell is provided with a mounting hole adapted to the charging interface.

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