Leakage-proof electronic cigarette

Abstract

The utility model relates to the technical field of electronic atomization, in particular to a leakage-proof electronic cigarette which comprises an oil bin, an oil storage cavity is formed in the oil bin, a cigarette holder is arranged at one end of the oil bin, the cigarette holder is provided with a smoking opening, an atomization core used for heating atomization is arranged in the oil storage cavity, and the atomization core is provided with an atomization channel communicated with the smoking opening. An air outlet is formed in the end, close to the smoke suction opening, of the atomization channel, an air inlet is formed in the end, away from the smoke suction opening, of the atomization core, and a sealing column capable of sealing the air inlet and the air outlet simultaneously is inserted into the smoke suction opening. The electronic cigarette has the advantages that the sealing column can seal the air inlet and the air outlet of the atomizing core at the same time, and tobacco tar in the tar storage cavity is prevented from leaking out through the atomizing core in the long-time storage and transportation process of the electronic cigarette or in the high-altitude high-pressure environment; the air adjusting assembly is arranged, the air inlet amount can be adjusted conveniently, the use requirements of different users are met, meanwhile, the air inlet is provided with the sealing plug, and the air tightness in the storage and transportation process is further improved.

Description

Technical Field

[0001] The present application relates to the technical field of electronic atomization, and in particular to a leak-proof electronic cigarette. Background Art

[0002] An electronic cigarette (also referred to as an "electronic cigarette") is an electronic delivery system for generating an aerosol from an atomized substrate for a user to inhale. The atomized substrate may be a liquid (e.g., smoke liquid, etc.) or a solid or gel (e.g., smoke paste), etc.

[0003] Generally, a traditional electronic cigarette mainly includes a cartridge storing an atomizing matrix and a power supply device. The cartridge has a heating or evaporation device, such as an atomizer including an atomizing core. The user's inhalation activates the atomizing core, and the power supply device supplies power to the atomizing core, so that the atomizing matrix in the cartridge is converted into an aerosol for the user to inhale.

[0004] During long-term storage or transportation or in high-altitude and high-pressure environments, the existing electronic cigarettes will have the risk of leakage of the oil in the atomizer, affecting their use. In addition, when not used for a long time, the oil in the atomizer comes into contact with the outside air, causing the oil to deteriorate, change taste or evaporate. Secondly, the air intake volume of most existing electronic cigarettes cannot be adjusted and cannot meet the needs of different users, so there is room for improvement. Summary of the invention

[0005] In order to overcome the technical defects of oil leakage in the prior art, the present application provides a leak-proof electronic cigarette, including an oil tank, wherein the oil tank has an oil storage cavity, one end of the oil tank has a smoking nozzle, the smoking nozzle has a smoking port, an atomization core for heating and atomization is provided in the oil storage cavity, the atomization core has an atomization channel connected to the smoking port, the atomization channel has an air outlet at one end close to the smoking port, the atomization core has an air inlet at one end away from the smoking port, and a sealing column is inserted at the smoking port that can simultaneously seal the air inlet and the air outlet.

[0006] As one implementation manner, the smoking nozzle is integrally formed on the oil tank.

[0007] As one embodiment, the oil storage bin includes a bin body, an upper cover and a smoking nozzle, the oil storage bin is formed in the bin body, the upper cover is detachably mounted on the bin body, and the smoking nozzle is detachably mounted on the upper cover.

[0008] As one of the embodiments, the oil tank is open at one end away from the smoking nozzle and a seal is provided at the opening, the enclosed space formed between the seal and the oil tank serves as an oil storage chamber, the seal is provided with a first air vent connected to the air inlet, the oil tank is provided with a second air vent connected to the air outlet, the second air vent is arranged between the air outlet and the smoking port, the sealing column is provided with a first sealing portion and a second sealing portion corresponding to the first air vent and the second vent respectively, the first sealing portion is sealed at the first air vent, and the second sealing portion is sealed at the second vent.

[0009] As one implementation manner, a sealing ring is provided on the first sealing portion and / or the second sealing portion.

[0010] As one embodiment, the leak-proof electronic cigarette also includes a power supply device for powering the atomization core, the power supply device includes a shell, a bracket, a battery cell and a control board, the shell is installed at one end of the oil tank away from the smoking mouth, the bracket is installed in the shell, the battery cell and the control board are installed on the bracket, the battery cell and the atomization core are electrically connected, and the control board is electrically connected to the battery cell to control the connection and disconnection of its circuit.

[0011] As one of the embodiments, the power supply device is provided with an air regulating component, the air regulating component includes an air regulating paddle, the outer shell is provided with a guide slide hole, the air regulating paddle is provided with a paddle block that can slide in the guide slide hole, the air regulating paddle is provided with an air inlet hole, the air inlet hole is connected with the atomization channel, and sliding the paddle block can adjust the area of ​​the air inlet hole exposed relative to the guide slide hole.

[0012] As one embodiment, the air inlet holes are a plurality of circular holes or strip holes arranged along the direction of the length of the guide sliding hole.

[0013] As one of the implementation modes, a sealing plug for sealing the air inlet hole is provided at the guide sliding hole.

[0014] As one of the implementation modes, the atomization core includes a tube body, oil storage cotton, oil blocking cotton, oil guide cotton and a heating core, the oil guide cotton, oil blocking cotton and oil storage cotton are wrapped around the outside of the heating core in sequence, the tube body is covered around the outer periphery of the oil storage cotton, and the tube body is provided with an oil through hole connecting the oil storage cotton and the oil storage cavity.

[0015] As one of the embodiments, the power supply device is connected to a light guide column for guiding light to display the battery cell connection information, the light-emitting end of the light guide column extends toward the oil storage cavity, and the side walls of the oil tank corresponding to the oil storage cavity are made of transparent material.

[0016] As one embodiment, the leak-proof electronic cigarette is further provided with an oil filling hole connected to the oil storage cavity, and an oil filling plug is provided in the oil filling hole.

[0017] As one embodiment, an upper oil-absorbing cotton is provided between the atomization core and the smoking port, and a first hole is opened on the upper oil-absorbing cotton, which is communicated with the smoking port and the atomization channel respectively.

[0018] As one implementation manner, a lower oil-absorbing cotton is provided between the power supply device and the sealing member, and a second hole communicating with the first vent hole is formed on the lower oil-absorbing cotton.

[0019] As one embodiment, a handle is provided at one end of the sealing column close to the smoking mouthpiece, and the end of the sealing column away from the smoking mouthpiece is a tapered structure with a gradually decreasing diameter, and the handle is exposed outside the smoking mouthpiece.

[0020] As one embodiment, when the end of the sealing column away from the smoking nozzle abuts against the bracket, the first sealing part seals at the first ventilation hole, and the second sealing part seals at the second ventilation hole.

[0021] In summary, the beneficial effects of the present application are: 1. A sealing column is provided to simultaneously seal the air inlet and outlet of the atomizer core to prevent the oil in the oil storage chamber from leaking out through the atomizer core during long-term storage and transportation of the electronic cigarette or in a high-altitude and high-pressure environment; 2. An air regulating component is provided to facilitate the adjustment of the air intake volume to meet the usage requirements of different users. At the same time, a sealing plug is provided at the air inlet to further increase the air tightness during storage and transportation; 3. An upper oil-absorbing cotton is provided to prevent condensed oil from affecting the taste; 4. A lower oil-absorbing cotton is provided to prevent oil leakage from contaminating the power supply device; 5. A light guide column is provided to display the power-on status of the battery cell in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of a leak-proof electronic cigarette in the present application.

[0023] Figure 2 This is an exploded view of a leak-proof electronic cigarette for this application.

[0024] Figure 3 This is a cross-sectional view of a leak-proof electronic cigarette of the present application (without the sealing column installed).

[0025] Figure 4 This is a cross-sectional view of a leak-proof electronic cigarette of the present application (when the sealing column is installed).

[0026] Figure 5 This is a cross-sectional view of an atomizer core of a leak-proof electronic cigarette according to the present application.

[0027] Figure 6 This is a schematic structural diagram of a sealing column of a leak-proof electronic cigarette according to the present application.

[0028] Figure 7 This is a bottom view of a leak-proof electronic cigarette (when the air intake is increased) for the present application.

[0029] Figure 8 This is a bottom view of a leak-proof electronic cigarette (when the air intake is reduced) for the present application.

[0030] Fig. 9 This is a bottom view of another embodiment of a leak-proof electronic cigarette of the present application (when the air intake is increased).

[0031] Fig.10 This is a bottom view of another embodiment of a leak-proof electronic cigarette of the present application (when the air intake is reduced).

[0032] Description of reference numerals:

[0033] 100, oil tank; 11, smoking mouthpiece; 111, smoking port; 12, upper cover; 13, tank body; 14, oil storage chamber;

[0034] 200, sealing member; 21, first vent hole; 22, second vent hole;

[0035] 300, power supply device; 31, bracket; 311, third vent; 32, control panel; 33, microphone silicone; 34, battery cell; 35, charging interface; 36, housing;

[0036] 400, sealing column; 41, first sealing part; 42, second sealing part; 43, sealing ring;

[0037] 500, atomizing core; 51, oil storage cotton; 52, oil blocking cotton; 53, oil guiding cotton; 54, heating core; 55, tube body; 551, oil hole; 56, atomizing channel; 561, air outlet; 562, air inlet;

[0038] 600, gas regulating assembly; 61, gas regulating paddle; 611, paddle block; 612, air inlet hole; 62, guide slide hole; 63, sealing plug; 64, sealing silica gel;

[0039] 70. Light guide column; 80. Oil filling hole; 81. Oil filling plug; 91. Upper oil absorbing cotton; 92. Lower oil absorbing cotton. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0041] It should be noted that all directional indications in the embodiments of the present disclosure (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0042] In the present disclosure, unless otherwise clearly specified and limited, the terms "connected", "fixed", etc. should be understood in a broad sense, for example, it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.

[0043] In this article, "communication" refers to fluid communication, that is, fluid (including liquid and / or gas) can flow from one component to another component. In addition, in this article, communication between two components can refer to direct communication between the two components, for example, at least partial alignment between two holes, or communication through an intermediate medium.

[0044] In the present disclosure, unless otherwise stated, all numbers used in the specification and claims to represent component parameters, technical effects, etc. should be understood as being modified by the term "approximately" or "roughly" in any case. Therefore, unless otherwise indicated, the numerical parameters listed in the following specification and the attached claims are approximate values. For those skilled in the art, it can vary according to the desired properties and effects sought to be obtained through the present disclosure, and each numerical parameter should be interpreted according to the number of significant digits and conventional rounding methods or in a manner understood by those skilled in the art.

[0045] In the present disclosure, the terms used in the description of various examples are only for the purpose of describing specific examples and are not intended to be limiting. Unless the context clearly indicates otherwise, if the number of elements is not specifically limited, the element can be one or more. In addition, the term "and / or" used in the present disclosure covers any one of the listed items and all possible combinations.

[0046] "Atomized substrate" refers to a mixture or auxiliary substance that can be completely or partially atomized into an aerosol by an electronic device or similar device. The atomized substrate can be a liquid medium such as e-cigarette liquid, medical drugs, skin care lotion, etc. By atomizing these media, an aerosol that can be inhaled or absorbed can be delivered to the user.

[0047] "Aerosol" refers to a colloidal dispersion system formed by small solid or liquid particles dispersed and suspended in a gas medium.

[0048] "Atomizer" refers to a device that forms aerosol from stored atomizable substrate, i.e., atomized substrate, by heating or ultrasound. The atomizer core is one of the main components of the atomizer.

[0049] "Electronic cigarette" refers to a system that generates an aerosol (i.e., smoke) by atomizing atomized substrates, such as e-liquid, for people to inhale, suck, chew, or sniff. In some examples, the electronic cigarette may include an oil storage chamber for storing e-liquid and an atomizing core for absorbing and atomizing the e-liquid to form smoke.

[0050] In the related art of electronic cigarettes, the atomizer core includes a heating element and an oil guide member. The heating element is used to heat the oil to form smoke, and the oil guide member is used to guide the oil in the oil storage tank surrounding the atomizer core to the heating element. The heating element can be made of conductive heating metal wire, metal mesh or metal sheet, the oil guide member is made of cotton or fiber material, etc., and the heating element is wrapped by the oil guide member. The heating element can also be made of conductive heating metal wire, metal mesh or metal sheet, the oil guide member is made of ceramic and other materials and can be formed into a hollow sheet-like oil guide member, and the heating element can be partially embedded in the inner wall of the oil guide member.

[0051] The present application is further described below in conjunction with the accompanying drawings:

[0052] like Figure 1-10 As shown, this embodiment provides a leak-proof electronic cigarette, including an oil tank 100, an atomizer core 500, a seal 200, a power supply device 300, a sealing column 400 and an air conditioning component 600.

[0053] In some embodiments, the oil tank 100 has an oil storage chamber 14 therein, one end of the oil tank 100 has a smoking nozzle 11, the smoking nozzle 11 has a smoking port 111, the end of the oil tank 100 away from the smoking nozzle 11 is open and a seal 200 is provided at the opening, the enclosed space formed between the seal 200 and the oil tank 100 serves as the oil storage chamber 14, the oil storage chamber 14 is used to store tobacco oil, an atomizer core 500 for heating and atomization is provided in the oil storage chamber 14, the atomizer core 500 has an atomization channel 56 connected to the smoking port 111, the tobacco oil is atomized by the atomizer core 500 and enters the smoking port 111 from the atomization channel 56 for the user to inhale.

[0054] In some embodiments, the oil storage tank 100 includes a tank body 13, an upper cover 12 and a smoking nozzle 11. The oil storage tank 100 is formed in the tank body 13, the upper cover 12 is detachably mounted on the tank body 13, and the smoking nozzle 11 is detachably mounted on the upper cover 12. In some other embodiments, the smoking nozzle 11 is integrally formed on the oil storage tank 100.

[0055] In some embodiments, the atomization channel 56 has an air outlet 561 at one end close to the smoking port 111, and the atomization core 500 has an air inlet 562 at one end away from the smoking port 111. A sealing column 400 that can simultaneously seal the air inlet 562 and the air outlet 561 is inserted into the smoking port 111; the sealing column 400 is provided to seal the air inlet 562 and the air outlet 561 at the upper and lower ends of the atomization core 500 to prevent the oil in the oil storage chamber 14 from leaking out through the atomization core 500 during transportation of the electronic cigarette.

[0056] Specifically, in some embodiments, the sealing member 200 is provided with a first air vent 21 connected to the air inlet 562, the oil tank 100 is provided with a second air vent 22 connected to the air outlet 561, the second air vent 22 is arranged between the air outlet 561 and the smoking port 111, the sealing column 400 is provided with a first sealing portion 41 and a second sealing portion 42 corresponding to the first air vent 21 and the second air vent 22 respectively, the sealing column 400 is provided with a handle at one end close to the smoking nozzle 11, the end of the sealing column 400 away from the smoking nozzle 11 is a conical structure with a gradually decreasing diameter, which is convenient for inserting the sealing column 400, and the handle is exposed outside the smoking nozzle 11 for easy gripping; when the end of the sealing column 400 away from the smoking nozzle 11 abuts against the bracket 31, the first sealing portion 41 is sealed at the first air vent 21, and the The second sealing part 42 is sealed at the second vent hole 22; before transportation, hold the handle and insert the sealing column 400 from the smoking port 111 into the interior of the oil tank 100 electronic cigarette until the end of the sealing column 400 away from the smoking mouth 11 abuts against the bracket 31. Since the length of the sealing column 400 matches the electronic cigarette, the upper and lower ends of the atomizer core 500 can be sealed at this time, thereby preventing the tobacco oil in the oil storage chamber 14 from volatilizing from the atomizer core 500 during long-term transportation; at the same time, since the oil tank 100 and the sealing column 400 are both made of hard materials, a sealing ring 43 is provided on the second sealing part 42 where the two are in contact, and the sealing member 200 is made of a softer silicone material, so the corresponding first sealing part 41 may not be provided with a sealing ring 43; in some other embodiments, the sealing ring 43 may be provided on the first sealing part 41 and / or the second sealing part 42.

[0057] In some embodiments, the power supply device 300 is used to supply power to the atomizer core 500. The power supply device 300 includes a shell 36, a bracket 31, a control board 32, a microphone silicone 33, a battery cell 34 and a charging interface 35. The shell 36 is installed at one end of the oil tank 100 away from the smoking mouthpiece 11, and the bracket 31 is installed in the shell 36. The battery cell 34 and the control board 32 are installed on the bracket 31. The battery cell 34 and the atomizer core 500 are electrically connected. The control board 32 is electrically connected to the battery cell 34 to control the connection and disconnection of its circuit. The control board 32 can sense airflow. When the user inhales, the control board 32 controls the circuit to be connected and the atomizer core 500 works. When the user stops inhaling, the control board 32 controls the circuit to be disconnected. The control board 32 is provided with a microphone silicone 33 to prevent the control board 32 from being damaged by smoke oil pollution. The battery cell 34 is electrically connected to the charging interface 35 and can be charged and used repeatedly.

[0058] Reference Figure 7-10 In some embodiments, the air regulating component 600 is arranged on the shell 36 of the power supply device 300, and the air regulating component 600 includes an air regulating paddle 61, a guide slide hole 62 is provided on the shell 36, and a paddle block 611 that can slide in the guide slide hole 62 is provided on the air regulating paddle 61, and an air inlet hole 612 is provided on the air regulating paddle 61, and the air inlet hole 612 is connected to the atomization channel 56. Sliding the paddle block 611 can adjust the exposed area of ​​the air inlet hole 612 relative to the guide slide hole 62; specifically, a sealing silicone 64 is provided between the bracket 31 and the shell 36, and a through hole is provided at a position corresponding to the sealing silicone 64 and the air inlet hole 612. The air regulating paddle 61 is clamped between the sealing silicone 64 and the shell 36, and moving the paddle block 611 can drive the air regulating paddle 61 to slide along the guide slide hole 62 to adjust the air intake amount.

[0059] In some embodiments, the air inlet holes 612 are multiple circular holes arranged along the direction of the length of the guide slide hole 62. Figure 7 and Figure 8 , an air inlet hole 612 is set on the left side of the shift block 611, and two air inlet holes 612 are set on the right side of the shift block 611. When the shift block 611 slides to the left, the two air inlet holes 612 on the right side of the shift block 611 are exposed, and the air intake volume is relatively large at this time. When the shift block 611 slides to the right, an air inlet hole 612 on the left side of the shift block 611 is exposed, and the air intake volume is relatively small at this time, thereby realizing the adjustment of the air intake volume. In actual production, the air inlet holes 612 can all be set on one side of the shift block 611, and the number of the air inlet holes 612 can also be adaptively increased. This embodiment does not limit the number of the air inlet holes 612; in some other embodiments, the air inlet holes 612 can be set as strip holes (such as Fig. 9 , 10 ), the intake amount can be adjusted by sliding the shift block 611 to different positions in the guide slide hole 62.

[0060] In some embodiments, a sealing plug 63 for sealing the air inlet 612 is provided at the guide slide hole 62. When the electronic cigarette is transported or not used for a long time, the sealing plug 63 can be used to seal the air inlet 612 to prevent the volatilization of the smoke oil.

[0061] Reference Figure 5 In some embodiments, the atomizer core 500 includes a tube body 55, oil storage cotton 51, oil blocking cotton 52, oil guide cotton 53 and a heating core 54. The internal space enclosed by the heating core 54 is an atomization channel 56. The opening at the upper end of the atomization channel 56 is an air outlet 561, and the opening at the lower end of the atomization channel 56 is an air inlet 562. The oil guide cotton 53, oil blocking cotton 52 and oil storage cotton 51 are wrapped around the outer side of the heating core 54 in sequence. The tube body 55 is wrapped around the outer periphery of the oil storage cotton 51. The tube body 55 is provided with an oil through hole 551 connecting the oil storage cotton 51 and the oil storage chamber 14. The smoke oil in the oil storage chamber 14 enters the interior of the atomizer core 500 through the oil through hole 551 and is stored on the oil storage cotton 51. The oil storage cotton 51 transfers the smoke oil to the oil blocking cotton 52, the oil guide cotton 53 and the heating core 54 in sequence. The heating core 54 generates heat to atomize the smoke oil into an aerosol for the user to inhale.

[0062] Reference Figure 2-4 In some embodiments, the power supply device 300 is connected to a light guide column 70 for guiding light to display information that the battery cell 34 is connected. One end of the light guide column 70 for emitting light extends toward the oil storage cavity 14. Specifically, the light guide column 70 is mounted on the bracket 31 of the power supply device 300. A hole is provided at a position corresponding to the seal 200 and the light guide column 70. When the battery cell 34 is powered on, the light guide column 70 emits light. When the battery cell 34 is not powered on, the light guide column 70 becomes dark. The side wall of the oil tank 100 corresponding to the oil storage cavity 14 is made of transparent material, which is convenient for observing the light emission of the light guide column 70 from the outside. The top of the light guide column 70 can be higher than the seal 200 and extend into the oil storage cavity 14, or it can be lower than the seal 200, as long as the user can observe the light emission of the light guide column 70 through the oil tank 100.

[0063] Reference Figure 3 and Figure 4 In some embodiments, the leak-proof electronic cigarette is further provided with an oil filling hole 80 connected to the oil storage chamber 14, and an oil filling plug 81 is provided in the oil filling hole 80. Specifically, the oil filling hole 80 is formed on the bracket 31, and a through hole is provided at a position corresponding to the sealing member 200 and the oil filling hole 80. The end of the oil filling hole 80 is flush with the bottom of the oil storage chamber 14. The oil is added to the oil storage chamber 14 through the oil filling hole 80, and then the sealing plug 63 is plugged to prevent oil leakage. In some other embodiments, the oil filling hole 80 can be set on the oil tank 100.

[0064] In some embodiments, an upper oil-absorbing cotton 91 is provided between the atomization core 500 and the smoking port 111, and a first hole is opened on the upper oil-absorbing cotton 91, which is respectively connected to the smoking port 111 and the atomization channel 56; the upper oil-absorbing cotton 91 is used to absorb the condensed smoke oil at the smoking port 111 to prevent the condensed smoke oil from being inhaled into the user's mouth during secondary use.

[0065] In some embodiments, a lower oil-absorbing cotton 92 is provided between the power supply device 300 and the sealing member 200 , and a second hole communicating with the first vent hole 21 is opened on the lower oil-absorbing cotton 92 ; the lower oil-absorbing cotton 92 can prevent the smoke oil from leaking onto the bracket 31 and damaging the power supply device 300 .

[0066] Assembly process: first install the mouthpiece 11 on the upper cover 12, install the upper oil-absorbing cotton 91 on the bin body 13, then install the upper cover 12 and the bin body 13 together, then install the atomizer core 500, the seal 200, the lower oil-absorbing cotton 92 and the bracket 31 in sequence, then invert the oil bin 100, and fill the oil storage chamber 14 with oil through the oil filling hole 80, then install the sealing plug 63, and then install the microphone silicone 33, the control board 32, the battery cell 34 and the gas regulating component 600 on the bracket 31 respectively, and finally install the shell 36.

[0067] The airflow direction of the present application is: air enters the air inlet 612 , passes through the third air hole 311 , the first air hole 21 , the atomization channel 56 and the second air hole 22 in sequence, and is finally discharged from the smoking port 111 .

[0068] The above are only embodiments or examples of the present disclosure, and the patent scope of the present disclosure is not limited thereto. All equivalent structural transformations made by using the contents of the present disclosure and the drawings, or direct / indirect applications in other related technical fields under the concept of the present disclosure are included in the patent protection scope of the present disclosure. Various elements in the embodiments or examples may be omitted or replaced by their equivalent elements. In addition, the steps may be performed in an order different from that described in the present disclosure. Furthermore, the various elements in the embodiments or examples may be combined in various ways. It is important that with the evolution of technology, many of the elements described herein may be replaced by equivalent elements that appear after the present disclosure.

Claims

1. A leak-proof electronic cigarette, characterized in that: The invention comprises an oil bin (100), wherein the oil bin (100) has an oil storage chamber (14), one end of the oil bin (100) has a smoking nozzle (11), the smoking nozzle (11) has a smoking port (111), an atomizing core (500) for heating and atomizing is arranged in the oil storage chamber (14), the atomizing core (500) has an atomizing channel (56) connected to the smoking port (111), the atomizing channel (56) has an air outlet (561) at one end close to the smoking port (111), the atomizing core (500) has an air inlet (562) at one end away from the smoking port (111), and a sealing column (400) is inserted at the smoking port (111) and can seal the air inlet (562) and the air outlet (561) at the same time.

2. The leak-proof electronic cigarette according to claim 1, characterized in that: The smoking mouthpiece (11) is integrally formed on the oil bin (100).

3. The leak-proof electronic cigarette according to claim 1, characterized in that: The oil bin (100) comprises a bin body (13), an upper cover (12) and a smoking mouthpiece (11); the oil bin (100) is formed in the bin body (13); the upper cover (12) is detachably mounted on the bin body (13); and the smoking mouthpiece (11) is detachably mounted on the upper cover (12).

4. The leak-proof electronic cigarette according to claim 1, characterized in that: The oil tank (100) is open at one end away from the smoking nozzle (11) and a sealing member (200) is provided at the opening; the enclosed space formed between the sealing member (200) and the oil tank (100) serves as an oil storage chamber (14); the sealing member (200) is provided with a first air vent (21) connected to an air inlet (562); the oil tank (100) is provided with a second air vent (22) connected to an air outlet (561); the second air vent (22) is arranged between the air outlet (561) and the smoking port (111); the sealing column (400) is provided with a first sealing portion (41) and a second sealing portion (42) corresponding to the first air vent (21) and the second air vent (22), respectively; the first sealing portion (41) is sealed at the first air vent (21); and the second sealing portion (42) is sealed at the second air vent (22).

5. The leak-proof electronic cigarette according to claim 4, characterized in that: A sealing ring (43) is provided on the first sealing portion (41) and / or the second sealing portion (42).

6. The leak-proof electronic cigarette according to claim 4, characterized in that: The leak-proof electronic cigarette further comprises a power supply device (300) for supplying power to the atomizing core (500), wherein the power supply device (300) comprises a housing (36), a bracket (31), a battery cell (34) and a control board (32), wherein the housing (36) is mounted at one end of the oil tank (100) away from the smoking mouthpiece (11), the bracket (31) is mounted in the housing (36), the battery cell (34) and the control board (32) are mounted on the bracket (31), the battery cell (34) and the atomizing core (500) are electrically connected, and the control board (32) is electrically connected to the battery cell (34) to control the connection and disconnection of their circuits.

7. The leak-proof electronic cigarette according to claim 6, characterized in that: The power supply device (300) is provided with an air regulating assembly (600), the air regulating assembly (600) comprising an air regulating paddle (61), the housing (36) is provided with a guide sliding hole (62), the air regulating paddle (61) is provided with a paddle block (611) which can slide in the guide sliding hole (62), the air regulating paddle (61) is provided with an air inlet hole (612), the air inlet hole (612) is connected to the atomization channel (56), and the sliding of the paddle block (611) can adjust the exposed area of ​​the air inlet hole (612) relative to the guide sliding hole (62).

8. The leak-proof electronic cigarette according to claim 7, characterized in that: The air inlet holes (612) are a plurality of circular holes or strip-shaped holes arranged along the direction in which the length of the guide sliding hole (62) extends.

9. The leak-proof electronic cigarette according to claim 7, characterized in that: A sealing plug (63) for sealing the air inlet hole (612) is provided at the guide sliding hole (62).

10. The leak-proof electronic cigarette according to claim 1, characterized in that: The atomizing core (500) comprises a tube body (55), oil storage cotton (51), oil blocking cotton (52), oil guiding cotton (53) and a heating core (54); the oil guiding cotton (53), oil blocking cotton (52) and oil storage cotton (51) are sequentially wrapped around the outer side of the heating core (54); the tube body (55) is wrapped around the outer periphery of the oil storage cotton (51); and the tube body (55) is provided with an oil through hole (551) connecting the oil storage cotton (51) and the oil storage cavity (14).

11. The leak-proof electronic cigarette according to claim 6, characterized in that: The power supply device (300) is connected to a light-guiding column (70) for guiding light to display information that the battery cell (34) is connected, and one end of the light-guiding column (70) for emitting light extends toward the oil storage cavity (14), and the side wall of the oil tank (100) corresponding to the oil storage cavity (14) is made of a transparent material.

12. The leak-proof electronic cigarette according to claim 1, characterized in that: The leak-proof electronic cigarette is also provided with an oil filling hole (80) communicating with the oil storage chamber (14), and an oil filling plug (81) is provided in the oil filling hole (80).

13. The leak-proof electronic cigarette according to claim 6, characterized in that: An upper oil-absorbing cotton (91) is provided between the atomizing core (500) and the smoking port (111), and a first hole is provided on the upper oil-absorbing cotton (91) which is communicated with the smoking port (111) and the atomizing channel (56) respectively.

14. The leak-proof electronic cigarette according to claim 6, characterized in that: A lower oil-absorbing cotton (92) is provided between the power supply device (300) and the sealing member (200), and a second hole communicating with the first vent hole (21) is formed on the lower oil-absorbing cotton (92).

15. The leak-proof electronic cigarette according to claim 1, characterized in that: The end of the sealing column (400) close to the smoking nozzle (11) is provided with a handle (44), and the end of the sealing column (400) away from the smoking nozzle (11) is a conical structure with a gradually decreasing diameter, and the handle (44) is exposed outside the smoking nozzle (11).

16. The leak-proof electronic cigarette according to claim 6, characterized in that: When one end of the sealing column (400) away from the smoking nozzle (11) abuts against the bracket (31).

Images