CN217722684U - Electronic cigarette - Google Patents

Abstract

The utility model discloses an electronic cigarette, including main part, chimney, the lower part of main part forms the first cavity that is used for the holding tobacco tar, the upper portion of main part forms the cigarette holder, the chimney holding is in the main part, the chimney includes upper rod portion and lower rod portion, insert hermetically in the upper end of upper rod portion in the cigarette holder, upper rod portion is provided with the second cavity that link up, the upper end of second cavity with the cigarette holder intercommunication. The improved electronic cigarette smoke-discharging device is characterized in that a third cavity is arranged in the lower rod part, a smoke forming device is contained in the third cavity, the third cavity is communicated with the lower end of the second cavity, at least part of the outer peripheral surface of the lower rod part is attached to the inner wall surface of the first cavity, an oil flowing groove is formed in the outer peripheral surface of the lower rod part, an oil penetrating hole penetrating through the third cavity is formed in the oil flowing groove, and the first cavity is communicated with the oil flowing groove, the oil penetrating hole and the third cavity, so that electronic cigarette oil leakage can be inhibited.

Description

Electronic cigarette

Technical Field

The utility model relates to an electron cigarette.

Background

In the related art, the cotton core cartridge of the electronic cigarette faces a common problem, namely oil leakage. How to ensure that the leakage does not occur in the transportation and storage processes becomes a difficult problem in the industry. In order to prevent oil leakage, the industry generally adopts an oil core separation scheme and a polymer cotton oil storage scheme. Both can solve the problem of transportation oil leakage, but both increase the cost to different degrees. In order to realize the separation of oil and cores, the oil core separation technology can design a switching device for manually separating the oil core, and has a certain reject ratio, so that the device fails after a consumer hands the device, and the device cannot be used; the 'macromolecule cotton oil storage' technology can not be completely atomized on cotton, more residue can be generated, the part of the residual tobacco tar on the cotton is directly discarded and wasted, and meanwhile, the oil storage rate of the macromolecule cotton is limited, so that the waste of the oil bin space can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an electron cigarette can restrain the oil leak.

The utility model discloses an electronic cigarette, include:

the cigarette holder comprises a main body, wherein a first cavity for containing tobacco tar is formed at the lower part of the main body, and a cigarette holder is formed at the upper part of the main body;

a chimney housed within the body, the chimney having:

an upper rod part, the upper end of the upper rod part is hermetically inserted into the cigarette holder, the upper rod part is provided with a through second cavity, the upper end of the second cavity is communicated with the cigarette holder,

the lower rod part is arranged at the lower end of the upper rod part, a third cavity is arranged in the lower rod part, a smoke forming device is contained in the third cavity, the third cavity is communicated with the lower end of the second cavity, at least part of the outer peripheral surface of the lower rod part is attached to the inner wall surface of the first cavity, an oil flowing groove is formed in the outer peripheral surface of the lower rod part, and an oil penetrating hole penetrating through the third cavity is formed in the oil flowing groove;

the first cavity is communicated with the third cavity through the oil flowing groove and the oil penetrating hole.

According to the utility model discloses electron cigarette has following beneficial effect at least: the electronic cigarette can be restrained from leaking oil.

In some embodiments, the oil flow groove is a capillary groove.

In some embodiments, the oil flowing groove is provided in plurality along a circumferential direction of the lower rod portion.

In some embodiments, the oil flowing groove extends in an axial direction of the lower rod portion, and a blocking portion for blocking the oil flowing groove is provided at a lower end of the lower rod portion.

In some embodiments, further disposed within the third cavity is: the oil storage cotton is surrounded on the periphery of the smoke forming device; and the oil guide cotton is surrounded on the periphery of the oil storage cotton and is positioned between the oil storage cotton and the oil penetrating hole.

In some embodiments, the oil-guiding cotton is needle cotton.

In some embodiments, a first sealing ring is disposed between an inner circumferential surface of the first cavity and an outer circumferential surface of the lower end of the lower rod portion.

In some embodiments, the main body includes a bottom cover on which a leakage prevention check valve is disposed, the leakage prevention check valve communicating with an outside of the main body.

In some embodiments, a second sealing ring is disposed between an inner circumferential surface of the first cavity and an outer circumferential surface of the upper end of the bottom cover.

In some embodiments, a third sealing ring is disposed between the upper stem portion and the mouthpiece.

Drawings

Fig. 1 is an exploded view of the electronic cigarette of the present invention.

Fig. 2 is a cross-sectional view of the electronic cigarette of the present invention.

Reference numerals are as follows: the electronic cigarette comprises an electronic cigarette 100, a main body 200, a cigarette holder 201, a chimney 204, a first cavity 205, an upper rod part 202, a lower rod part 203, a third cavity 206, a blocking part 207, a smoke forming device 216, an oil flowing groove 208, an oil penetrating hole 209, a first sealing ring 210, a second sealing ring 211, a bottom cover 212, a second cavity 213, a third sealing ring 214, a leakage-proof check valve 215, a heating wire 217, oil storage cotton 218, oil guide cotton 219, needle cotton 220 and a heating wire support 221.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 and 2, the present invention discloses an electronic cigarette 100, in this embodiment, the electronic cigarette 100 includes a main body 200 and a chimney 204, a first cavity 205 for containing tobacco tar is formed at the lower part of the main body 200, a cigarette holder 201 is formed at the upper part of the main body 200, and the chimney 204 is contained in the main body 200. The chimney 204 has an upper rod part 202 and a lower rod part 203, the upper end of the upper rod part 202 is hermetically inserted into the cigarette holder 201, the upper rod part 202 is provided with a through second cavity 213, the upper end of the second cavity 213 is communicated with the cigarette holder 201, the lower rod part 203 is arranged at the lower end of the upper rod part 202, a third cavity 206 is arranged in the lower rod part 203, a smoke forming device 216 is arranged in the third cavity 206, the third cavity 206 is communicated with the lower end of the second cavity 213, at least part of the outer peripheral surface of the lower rod part 203 is attached to the inner wall surface of the first cavity 205, an oil flowing groove 208 is arranged on the outer peripheral surface of the lower rod part 203, and an oil penetrating hole 209 penetrating through the third cavity 206 is arranged in the oil flowing groove 208. The first chamber 205 communicates with the third chamber 206 via the oil flow groove 208 and the oil penetration hole 209.

According to the electronic cigarette 100 of the present embodiment, oil leakage can be suppressed. Specifically, the electronic cigarette 100 is prone to oil leakage in the transportation and storage processes, in order to prevent oil leakage, a sealing ring is generally used for sealing in the prior art, but the sealing ring is often not in a complete sealing state, some oil may permeate out, especially, the lower rod portion 203 of the chimney 204 is attached to the inner wall of the cavity for accommodating the oil, the lower rod portion 203 of the chimney 204 includes a communicating portion where the oil enters the oil storage cotton 218, and the oil near the communicating portion is easily leaked out from the attaching portion of the lower rod portion 203 of the chimney 204 and the inner wall of the cavity for accommodating the oil, so that the use effect of the electronic cigarette 100 is affected.

Therefore, in the present embodiment, the electronic cigarette 100 includes a main body 200 and a chimney 204, a lower portion of the main body 200 forms a first cavity 205 for accommodating the tobacco tar, an upper portion of the main body 200 forms a mouthpiece 201, and the chimney 204 is accommodated in the main body 200. The chimney 204 comprises an upper rod part 202 and a lower rod part 203, the upper end of the upper rod part 202 is hermetically inserted into the cigarette holder 201, the upper rod part 202 is provided with a through second cavity 213, the upper end of the second cavity 213 is communicated with the cigarette holder 201, the lower rod part 203 is arranged at the lower end of the upper rod part 202, a third cavity 206 is arranged in the lower rod part 203, a smoke forming device 216 is arranged in the third cavity 206, the third cavity 206 is communicated with the lower end of the second cavity 213, at least part of the outer peripheral surface of the lower rod part 203 is attached to the inner wall surface of the first cavity 205, an oil flowing groove 208 is arranged on the outer peripheral surface of the lower rod part 203, and an oil penetrating hole 209 penetrating through the third cavity 206 is arranged in the oil flowing groove 208. The first chamber 205 communicates with the third chamber 206 via the oil flow groove 208 and the oil penetration hole 209. The smoke in the first cavity 205 flows through the oil flowing groove 208 and flows out from the oil penetrating hole 209 of the oil flowing groove 208, because the smoke needs to flow through the oil flowing groove 208, and the oil flowing groove 208 is of a groove-shaped structure, the smoke has a small amount in the oil flowing groove 208, which results in that the smoke flows through a smaller amount of the joint between the outer circumferential surface of the lower rod part 203 and the inner wall surface of the first cavity 205, thereby suppressing the oil leakage problem of the electronic cigarette 100.

The cross section of the second cavity 213 may be circular (for example, the second cavity 213 is integrally circular), the cross section of the third cavity 206 may be circular, the second cavity 213 and the third cavity 206 are integrally formed, and the diameter of the second cavity 213 is smaller than that of the third cavity 206.

Referring to fig. 1 and 2, the oil flow groove 208 is a capillary groove, preferably, the width of the capillary groove is 0.1mm to 2mm, and more preferably, the width of the capillary groove is 0.5mm to 1mm, and when the width of the oil flow groove 208 is relatively small, the amount of smoke in the oil flow groove 208 is small, so that the smoke is less likely to penetrate from the bottom of the oil flow groove 208 to the joint of the outer circumferential surface of the lower rod portion 203 and the inner wall surface of the first cavity 205, and therefore, the oil leakage phenomenon of the electronic cigarette 100 is suppressed.

The oil flow groove 208 is provided in plurality along the circumferential direction of the lower rod portion 203, and preferably, the oil flow groove 208 may be 2, 3, or 4, and more preferably, the oil flow groove 208 may be 4.

More than 1 oil penetration hole 209 may be provided in the oil flow groove 208, and preferably, 2 oil penetration holes 209 may be provided in the oil flow groove 208 to optimize the embodiment.

Referring to fig. 1 and 2, the oil flowing groove 208 extends along the axial direction of the lower rod part 203, and the lower end of the lower rod part 203 is provided with a blocking part 207 for blocking the oil flowing groove 208, the blocking part 207 prevents the smoke oil from flowing out from the lower end of the oil flowing groove 208, so that the smoke oil flows through the oil flowing groove 208 and then enters the third cavity 206 through the oil penetration hole 209, and for the sake of simplicity of design, a part of the lower rod part 203 directly serves as the blocking part 207.

Referring to fig. 1 and 2, a first sealing ring 210 is disposed between an inner circumferential surface of the first cavity 205 and an outer circumferential surface of the lower end of the lower rod portion 203, and preferably, the first sealing ring 210 may be made of silicone rubber to prevent the smoke from flowing out from a joint between the outer circumferential surface of the lower rod portion 203 and an inner wall surface of the first cavity 205.

In some embodiments, a groove is formed at the lower end of the lower rod portion 203, the first sealing ring 210 is disposed in the groove, the position of the first sealing ring 210 is limited, the lower rod portion 203 and the inner wall of the first cavity 205 press the first sealing ring 210, and the smoke oil is prevented from flowing out from the joint between the outer circumferential surface of the lower rod portion 203 and the inner wall surface of the first cavity 205.

Referring to fig. 1 and 2, the main body 200 includes a bottom cover 212, and a leakage prevention check valve 215 is provided on the bottom cover 212, the leakage prevention check valve 215 communicating with the outside of the main body 200. When a user smokes, external air enters the inside of the electronic cigarette 100 through the anti-leakage check valve 215, and tobacco tar inside the electronic cigarette 100 does not leak out through the anti-leakage check valve 215. When the user does not smoke, the external air will not enter the inside of the electronic cigarette 100 through the anti-leakage check valve 215, and the tobacco tar inside the electronic cigarette 100 will not leak out through the anti-leakage check valve 215.

Referring to fig. 1 and 2, a second sealing ring 211 is disposed between an inner circumferential surface of the first chamber 205 and an outer circumferential surface of an upper end of the bottom cover 212. Preferably, the second sealing ring 211 may be made of silicone rubber to prevent the smoke from flowing out from the joint between the outer peripheral surface of the bottom cover 212 and the inner wall surface of the first cavity 205.

In some embodiments, a groove is formed on the outer circumferential surface of the upper end of the bottom cover 212, the second sealing ring 211 is disposed in the groove, the position of the second sealing ring 211 is limited, the bottom cover 212 and the inner wall of the first cavity 205 press the second sealing ring 211, and the smoke oil is prevented from flowing out from the joint of the outer circumferential surface of the bottom cover 212 and the inner wall surface of the first cavity 205.

Referring to fig. 1 and 2, a third sealing ring 214 is disposed between the upper rod portion 202 and the mouthpiece 201, so as to prevent the tobacco tar in the first cavity 205 from flowing out through the joint between the mouthpiece 201 and the upper rod portion 202, which wastes the tobacco tar and causes inconvenience to the user. Specifically, the material of the third sealing ring 214 may be silicone.

Referring to fig. 1 and 2, an oil storage cotton 218 and an oil guide cotton 219 are further disposed in the third cavity 206, the oil storage cotton 218 surrounds the periphery of the aerosol forming device 216, and the oil guide cotton 219 surrounds the periphery of the oil storage cotton 218 and is located between the oil storage cotton 218 and the oil penetrating hole 209. In particular, the aerosol forming device 216 is a heater 217. The periphery of the heating wire 217 is provided with oil storage cotton 218, the periphery of the oil storage cotton 218 is provided with oil guide cotton 219, the oil penetrating hole 209 is in contact with the oil guide cotton 219, tobacco tar enters the oil guide cotton 219 through the oil penetrating hole 209, and then the heating wire 217 generates heat to atomize the tobacco tar, so that a user can conveniently suck the tobacco tar.

Referring to fig. 1 to 2, the heating wire 217 is further provided with a heating wire support 221 outside, the oil storage cotton 218 is partially embedded into the heating wire support 221, the oil guide cotton 219 is further arranged on the periphery of the oil storage cotton 218, the tobacco tar enters the oil guide cotton 219 through the oil penetration hole 209, the oil guide cotton 219 is transmitted to the oil storage cotton 218 again, and the heating wire 217 generates heat to atomize the tobacco tar, so that a user can conveniently suck the tobacco tar.

In some embodiments, the oil guide cotton 219 may be needle cotton 220, the needle cotton 220 is disposed on the periphery of the oil storage cotton 218, and the needle cotton 220 as an existing material may have a better density, so as to achieve good smoke oil conduction, and also achieve oil blocking and leakage prevention to a great extent, and through a compression degree reasonable in design, bidirectional balance between oil blocking and oil guide may be achieved. The setting of needle cotton 220 can realize blockking the tobacco tar, when preventing the tobacco tar seepage, can reduce the oil pressure of tobacco tar itself and the pressure that the suction brought by a wide margin. Tobacco tar is through the needle cotton 220 and the oil storage cotton 218, then is atomized by heater 217, because the needle cotton 220 has better density, can avoid the production of large granule steam and by the user's inhalation, effectively promotes the flue gas fineness.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. Electronic cigarette, its characterized in that includes:

the cigarette holder comprises a main body, wherein a first cavity for containing tobacco tar is formed at the lower part of the main body, and a cigarette holder is formed at the upper part of the main body;

a chimney housed within the body, the chimney having:

an upper rod part, the upper end of the upper rod part is hermetically inserted into the cigarette holder, the upper rod part is provided with a through second cavity, the upper end of the second cavity is communicated with the cigarette holder,

the lower rod part is arranged at the lower end of the upper rod part, a third cavity is arranged in the lower rod part, a smoke forming device is contained in the third cavity, the third cavity is communicated with the lower end of the second cavity, at least part of the outer peripheral surface of the lower rod part is attached to the inner wall surface of the first cavity, an oil flowing groove is formed in the outer peripheral surface of the lower rod part, and an oil penetrating hole penetrating through the third cavity is formed in the oil flowing groove;

the first cavity is communicated with the third cavity through the oil flowing groove and the oil penetration hole.

2. The electronic cigarette of claim 1, wherein the oil sump is a capillary groove.

3. The electronic cigarette according to claim 1 or 2, wherein the oil flowing groove is provided in plurality along a circumferential direction of the lower rod portion.

4. The electronic cigarette according to claim 1, wherein the oil flowing groove extends in an axial direction of the lower rod portion, and a blocking portion for blocking the oil flowing groove is provided at a lower end of the lower rod portion.

5. The electronic cigarette of claim 1, wherein the third cavity further comprises:

the oil storage cotton is surrounded on the periphery of the smoke forming device;

and the oil guide cotton is surrounded on the periphery of the oil storage cotton and is positioned between the oil storage cotton and the oil penetrating hole.

6. The electronic cigarette of claim 5, wherein the oil-wicking cotton is needle cotton.

7. The electronic cigarette of claim 1, wherein a first sealing ring is disposed between an inner circumferential surface of the first cavity and an outer circumferential surface of the lower end of the lower rod portion.

8. The electronic cigarette of claim 1, wherein the body includes a bottom cover with a leak-proof check valve disposed thereon, the leak-proof check valve communicating with an exterior of the body.

9. The electronic cigarette of claim 8, wherein a second sealing ring is disposed between an inner circumferential surface of the first cavity and an outer circumferential surface of the upper end of the bottom lid.

10. The electronic cigarette of claim 1, wherein a third sealing ring is disposed between the upper stem portion and the mouthpiece.

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