CN216220198U - Electronic cigarette and oil leakage prevention cartridge - Google Patents

Abstract

The application provides an electronic cigarette, which comprises an oil leakage prevention cartridge, wherein the oil leakage prevention cartridge comprises an exhaust channel, an air inlet and a plunger rod, wherein the exhaust channel is formed in a cartridge shell and is arranged along the vertical direction; wherein, an atomization core for atomizing the tobacco tar is arranged in the exhaust passage, and the atomization core is provided with a through hole arranged in the up-and-down direction; the axes of the air inlet holes and the axis of the exhaust channel are positioned on the same straight line, and the air inlet holes are positioned below the lower port of the exhaust channel and communicated with the lower port of the exhaust channel; the plunger rod penetrates through the upper part of the exhaust channel, the through hole and the air inlet hole from top to bottom, and the upper part of the plunger rod is provided with a sealing gasket in interference fit with the exhaust channel; the lower end of the plunger rod is in interference fit with the air inlet. This application seals exhaust passage's upper portion through seal ring, seals the inlet port through the lower extreme of plunger rod to prevent that the tobacco tar from leaking from exhaust passage and inlet port, thereby prevent that the electron cigarette from leaking at the tobacco tar in the transportation.

Description

Electronic cigarette and oil leakage prevention cartridge

Technical Field

The utility model relates to the technical field of electronic cigarettes, in particular to a battery cigarette and an oil leakage prevention cigarette cartridge.

Background

The electronic cigarette is an electronic product simulating cigarettes and mainly comprises a battery, an atomizer and an oil tank, wherein in operation, tobacco tar in the oil tank enters the atomizer, the battery supplies power to the atomizer, and the atomizer heats the tobacco tar to enable the tobacco tar to become steam for a user to suck. The existing electronic cigarette is popular with consumers due to the characteristics of convenience, multi-taste, lower health hazard compared with the traditional cigarette and the like. In the transportation process of the electronic cigarette, tobacco tar in the electronic cigarette is easy to leak from a smoke pipeline of the electronic cigarette due to the influences of jolting, squeezing, collision and other external factors.

For this reason, it is necessary to provide a technical solution for an electronic cigarette that prevents the leakage of tobacco tar during transportation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery cigarette and an oil leakage prevention cigarette cartridge, which can prevent oil leakage of an electronic cigarette in the transportation process.

The technical scheme adopted by the utility model is as follows:

an oil leakage prevention cartridge comprises an exhaust channel formed in a cartridge shell and arranged along the vertical direction, an air inlet formed in the lower part of the cartridge shell and a plunger rod; wherein, an atomization core for atomizing the tobacco tar is arranged in the exhaust passage, and the atomization core is provided with a through hole arranged in the up-and-down direction; the axes of the air inlet holes and the axis of the exhaust channel are positioned on the same straight line, and the air inlet holes are positioned below the lower port of the exhaust channel and communicated with the lower port of the exhaust channel; the plunger rod penetrates through the upper part of the exhaust channel, the through hole and the air inlet hole from top to bottom, and the upper part of the plunger rod is provided with a sealing gasket in interference fit with the exhaust channel; the lower end of the plunger rod is in interference fit with the air inlet.

In a feasible implementation mode, an upper sealing support and a lower sealing support are arranged in the exhaust channel, an atomization bin is formed between the upper sealing support and the lower sealing support, and the atomization core is arranged in the atomization bin; the upper sealing support is provided with an upper assembling hole which is arranged in the vertical direction, the lower sealing support is provided with a lower assembling hole which is arranged in the vertical direction, and the plunger rod sequentially penetrates through the upper assembling hole, the through hole of the atomizing core and the lower assembling hole from top to bottom.

In a possible embodiment, the lower sealing support is a silicone member, and the lower sealing support and the exhaust passage are in interference fit.

In a possible embodiment, the plunger rod comprises a first rod section and a second rod section which are sequentially arranged from top to bottom, wherein the radial sectional area of the second rod section is smaller than that of the first rod section, an inclined part is formed between the second rod section and the first rod section, the inclined part is abutted against the orifice edge of the upper assembling hole, and the second rod section penetrates through the through hole of the atomizing core and the lower assembling hole.

In a possible embodiment, the plunger rod further comprises a third segment, the third segment is located below the second segment, the radial sectional area of the third segment is larger than that of the second segment, and the third segment is in interference fit with the air inlet.

In a possible embodiment, the inner cavity of the cartridge housing is provided with a base, an upper duct and a lower duct; the base is arranged at the lower part of the inner cavity of the shell of the cartridge, and an oil bin is formed between the base and the upper part of the inner cavity of the shell of the cartridge; the upper part of the cigarette bullet shell is provided with a cigarette holder hole which is arranged in the vertical direction and is communicated with the inner cavity of the cigarette bullet shell, and the upper end of the upper pipeline is inserted into the lower port of the cigarette holder hole and is communicated with the cigarette holder hole; the lower end of the lower pipeline is inserted into the base, the upper end of the lower pipeline is sleeved with the lower end of the upper pipeline, and the atomizing core is arranged in the lower pipeline; the exhaust passage comprises a cigarette holder hole, an inner cavity of the upper pipeline and a through hole of the atomizing core; the upper sealing support is arranged in the inner cavity of the upper pipeline; the lower sealing support is arranged in the inner cavity of the lower pipeline.

In a feasible implementation mode, the base is provided with a slot, the lower end of the lower pipeline is inserted into the slot, the air inlet hole is formed in the base and penetrates through the slot, and when the lower end of the lower pipeline is inserted into the slot, the air inlet hole is communicated with the lower port of the lower pipeline.

In a possible embodiment, the number of the sealing washers is multiple, and the sealing washers are arranged at equal intervals in the up-down direction.

An electronic cigarette comprises the oil leakage prevention cartridge.

The utility model has the beneficial effects that:

according to the air inlet and outlet channel of the plunger rod, the upper part of the plunger rod is provided with the sealing washer, and the sealing washer is in interference fit with the air outlet channel; the lower end of the plunger rod is in interference fit with the air inlet; this application seals exhaust passage's upper portion through seal ring, seals the inlet port through the lower extreme of plunger rod to prevent that the tobacco tar from leaking from exhaust passage and inlet port, thereby prevent that the electron cigarette from leaking at the tobacco tar in the transportation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings, there is shown in the drawings,

fig. 1 is a schematic cross-sectional structure diagram of a cartridge according to an embodiment of the present invention.

Reference is made to the accompanying drawings in which: 10. a cartridge housing; 11. an oil bin; 20. a plunger rod; 21. a first pole segment; 22. a second pole segment; 23. a third pole segment; 24. an inclined portion; 25. a sealing gasket; 31. an upper pipeline; 32. a lower pipeline; 40. an upper sealing bracket; 50. a lower seal holder; 60. an atomizing core; 70. a base; 71. and (4) air inlet holes.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

This embodiment provides an electron cigarette, and the electron cigarette can be disposable electron cigarette, also can be the electron cigarette that can secondary annotate tobacco tar. The electronic cigarette of the embodiment includes an oil leakage prevention cartridge, which includes a cartridge case 10, an exhaust passage formed in the cartridge case 10 and arranged in the up-down direction, an air inlet hole 71 formed in the lower portion of the cartridge case 10, and a plunger rod 20; wherein, the exhaust passage is internally provided with an atomizing core 60 for atomizing the tobacco tar, and the atomizing core 60 is provided with a through hole arranged in the up-and-down direction; the axes of the air inlet holes 71 and the axis of the exhaust channel are positioned on the same straight line, and the air inlet holes 71 are positioned below the lower port of the exhaust channel and communicated with the lower port of the exhaust channel; the plunger rod 20 penetrates through the upper part of the exhaust channel, the through hole and the air inlet hole 71 from top to bottom, the sealing washer 25 is convexly arranged on the upper part of the plunger rod 20, the sealing washer 25 is in interference fit with the exhaust channel, and the circumferential side wall of the upper part of the plunger rod 20 can be in clearance fit with the upper part of the exhaust channel, so that the resistance of the plunger rod 20 when being inserted into the exhaust channel can be reduced, and the upper part of the exhaust channel can be sealed by the sealing washer 25; the lower end of the plunger rod 20 is in interference fit with the air inlet hole 71.

Compared with the prior art, the plunger rod 20 of the embodiment is plugged into the exhaust channel, the upper part of the plunger rod 20 is provided with the sealing gasket 25, and the sealing gasket 25 is in interference fit with the exhaust channel; the lower end of the plunger rod 20 is in interference fit with the air inlet hole 71; the present application closes the upper portion of the air discharge passage only by the sealing gasket 25 and the air intake hole 71 by the lower end of the plunger rod 20, thereby preventing the leakage of the soot from the air discharge passage and the air intake hole 71, and thus preventing the leakage of the soot during the transportation of the electronic cigarette.

In this embodiment, the inner cavity of the cartridge housing 10 is provided with a base 70, an upper duct 31 and a lower duct 32; the base 70 is disposed at the lower portion of the inner cavity of the cartridge case 10, preferably, the base 70 is a silica gel member, the base 70 is in interference fit with the inner cavity of the cartridge case 10, during assembly, only the base 70 needs to be plugged into the inner cavity of the cartridge case 10, and the assembly process is simple and rapid. An oil bin 11 is formed between the base 70 and the upper part of the inner cavity of the cartridge housing 10; the upper part of the cartridge shell 10 is provided with a cigarette holder hole which is arranged in the vertical direction and is communicated with the inner cavity of the cartridge shell 10, and the upper end of the upper pipeline 31 is inserted into the lower port of the cigarette holder hole and is communicated with the cigarette holder hole; the lower end of the lower pipe 32 is inserted into the base 70, and the upper end of the lower pipe 32 is sleeved with the lower end of the upper pipe 31.

In this embodiment, an upper sealing bracket 40 and a lower sealing bracket 50 are arranged in the exhaust passage, an atomization chamber is formed between the upper sealing bracket 40 and the lower sealing bracket 50, and the atomization core 60 is arranged in the atomization chamber. Specifically, the upper sealing support 40 is arranged in the inner cavity of the upper pipeline 31; the lower sealing support 50 is arranged in the inner cavity of the lower pipeline 32, the atomization bin is formed in the inner cavity of the lower pipeline 32, an oil filling hole is formed in the side wall of the lower pipeline 32 and communicated with the oil bin 11, and the tobacco tar in the oil bin 11 enters the inner cavity of the lower pipeline 32 through the oil filling hole and is absorbed by the atomization core 60. The atomizing core 60 includes a cylindrical oil absorbent cotton for absorbing the smoke oil from the oil bin 11 and a heating wire wound on the oil absorbent cotton. The hole site that sets up about being equipped with in the middle of the oil absorption cotton, this hole site is the through-hole of atomizing core 60, and the upper end and the lower extreme of oil absorption cotton are the butt joint upper seal support 40 and lower seal support 50 respectively, and the oil absorption cotton is injectd between upper seal support 40 and lower seal support 50. The upper sealing support 40 is provided with an upper assembling hole arranged in the vertical direction, the lower sealing support 50 is provided with a lower assembling hole arranged in the vertical direction, and the plunger rod 20 sequentially penetrates through the upper assembling hole, the through hole of the atomizing core 60 and the lower assembling hole from top to bottom. The exhaust passage comprises a mouthpiece hole, an inner cavity of the upper pipe 31, an upper assembling hole of the upper sealing bracket 40, a through hole of the atomizing core 60 and a lower assembling hole of the lower sealing bracket 50.

In this embodiment, the lower sealing support 50 and the inner cavity of the lower pipe 32 are in interference fit, and during assembly, the lower sealing support 50 only needs to be plugged into the inner cavity of the lower pipe 32, so that the assembly process is simple and rapid. The lower sealing bracket 50 is a silicone member having good elasticity, so that the sealing performance between the lower sealing bracket 50 and the inner cavity of the lower pipe 32 can be improved.

In this embodiment, the base 70 is provided with a slot for the base 70, the lower end of the lower pipe 32 is inserted into the slot, the air inlet hole 71 is opened in the base 70 and penetrates through the slot, and when the lower end of the lower pipe 32 is inserted into the slot, the air inlet hole 71 is communicated with the lower port of the lower pipe 32.

In this embodiment, the plunger rod 20 includes the first rod section 21, the second rod section 22 and the third rod section 23 that from top to bottom arrange in proper order, wherein, the radial sectional area of second rod section 22 is less than the radial sectional area of first rod section 21, form an incline portion 24 between second rod section 22 and the first rod section 21, when the plunger rod 20 from last down inserts exhaust passage, incline portion 24 from last assembly hole up-down, extrude down more as incline portion 24, incline portion 24 and the drill way edge butt of last assembly hole are tighter, thereby the better sealed effect, can prevent like this that the tobacco tar from the tobacco tar in the atomizing storehouse from leaking to in the upper pipe 31, thereby can improve the leak protection oil performance of electron cigarette. The second rod segment 22 extends through the through-hole and the lower assembly hole of the atomizing core 60. The third rod section 23 is positioned below the second rod section 22, the radial sectional area of the third rod section 23 is larger than that of the second rod section 22, and the third rod section 23 is in interference fit with the air inlet hole 71 so as to close the air inlet hole 71 and prevent the smoke oil from leaking from the air inlet hole 71.

In the present embodiment, the sealing gaskets 25 are disposed on the first rod section 21 of the plunger rod 20, the sealing gaskets 25 are in interference fit with the inner cavity of the upper pipe 31, the number of the sealing gaskets 25 is three, and each sealing gasket 25 is disposed at equal intervals in the vertical direction.

Any combination of the various embodiments of the present invention should be considered as disclosed in the present invention, unless the inventive concept is contrary to the present invention; within the scope of the technical idea of the utility model, any combination of various simple modifications and different embodiments of the technical solution without departing from the inventive idea of the present invention shall fall within the protection scope of the present invention.

Claims (9)

1. An oil-leakage-preventing cartridge, comprising:

the smoke cartridge comprises a smoke cartridge shell, an exhaust channel and an atomizing core, wherein the exhaust channel is formed in the smoke cartridge shell and is arranged along the vertical direction, the exhaust channel is internally provided with the atomizing core for atomizing smoke oil, and the atomizing core is provided with a through hole arranged in the vertical direction;

the air inlet hole is formed in the lower portion of the smoke cartridge shell, the axis of the air inlet hole and the axis of the exhaust channel are located on the same straight line, and the air inlet hole is located below the lower port of the exhaust channel and communicated with the lower port of the exhaust channel; and

the piston rod penetrates through the upper part of the exhaust channel, the through hole and the air inlet hole from top to bottom, and a sealing gasket is arranged on the upper part of the piston rod and is in interference fit with the exhaust channel; the lower end of the plunger rod is in interference fit with the air inlet.

2. The oil-leakage-preventing cartridge of claim 1, wherein an upper seal holder and a lower seal holder are provided in the exhaust passage, an atomization chamber is formed between the upper seal holder and the lower seal holder, and the atomization core is provided in the atomization chamber; the upper sealing support is provided with an upper assembling hole which is arranged in the vertical direction, the lower sealing support is provided with a lower assembling hole which is arranged in the vertical direction, and the plunger rod sequentially penetrates through the upper assembling hole, the through hole of the atomizing core and the lower assembling hole from top to bottom.

3. An oil-leakage-preventing cartridge according to claim 2, wherein the lower seal holder is a silicone member, and the lower seal holder and the exhaust passage are in interference fit.

4. The oil-leakage-preventing cartridge of claim 2, wherein the plunger rod comprises a first rod segment and a second rod segment arranged in sequence from top to bottom, wherein the radial sectional area of the second rod segment is smaller than that of the first rod segment, an inclined portion is formed between the second rod segment and the first rod segment, the inclined portion abuts against the orifice edge of the upper assembling hole, and the second rod segment penetrates through the through hole of the atomizing core and the lower assembling hole.

5. The oil-leakage-preventing cartridge of claim 4, wherein the plunger rod further comprises a third segment located below the second segment, the third segment having a radial cross-sectional area greater than that of the second segment, the third segment having an interference fit with the air intake.

6. The oil-leakage-preventing cartridge of claim 2, wherein the inner cavity of the cartridge housing is provided with a base, an upper duct and a lower duct; the base is arranged at the lower part of the inner cavity of the cartridge shell, and an oil bin is formed between the base and the upper part of the inner cavity of the cartridge shell; the upper part of the cigarette bullet shell is provided with a cigarette holder hole which is arranged in the vertical direction and is communicated with the inner cavity of the cigarette bullet shell, and the upper end of the upper pipeline is inserted into the lower port of the cigarette holder hole and is communicated with the cigarette holder hole; the lower end of the lower pipeline is inserted into the base, the upper end of the lower pipeline is sleeved with the lower end of the upper pipeline, and the atomizing core is arranged in the lower pipeline; the exhaust channel comprises the cigarette mouth hole, the inner cavity of the upper pipeline and a through hole of the atomizing core; the upper sealing support is arranged in the inner cavity of the upper pipeline; the lower sealing support is arranged in the inner cavity of the lower pipeline.

7. The oil-leakage-preventing cartridge according to claim 6, wherein the base has a slot, the lower end of the lower duct is inserted into the slot, the air inlet hole is opened in the base and penetrates through the slot, and the air inlet hole communicates with the lower port of the lower duct when the lower end of the lower duct is inserted into the slot.

8. The oil leakage preventing cartridge of claim 1, wherein the number of the sealing washers is plural, and the sealing washers are arranged at equal intervals in an up-down direction.

9. An electronic cigarette, characterized by comprising the oil-leakage-preventing cartridge according to any one of claims 1 to 8.

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