Battery-free electronic cigarette

By designing battery-free electronic cigarettes and using a rotatable scraper and T-bar adjustment mechanism, the existing electronic cigarettes have high cost, difficulty in recycling, and easy blockage of atomized core, achieving a more environmentally friendly and convenient atomization effect and a longer service life.

CN119969641AInactive Publication Date: 2025-05-13深圳市晶卓电子科技有限公司
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Patent Information

Application Number
CN202510360312.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2025-05-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the use of existing electronic cigarettes, there are batteries and frequent replacement of cigarette cartridges. The production and use cost is high, recycling is difficult, and it is not environmentally friendly. The atomized core is easily blocked and it is difficult to adjust the atomization amount according to user needs.

Method used

A battery-free electronic cigarette is designed, and a cigarette rod is used and an e-liquid silo arranged inside. The e-liquid silo is equipped with an atomization core and an adjustment mechanism. The adjustment mechanism includes a rotatable scraper and a T-bar to clean the residuals on the surface of the atomization core and adjust the atomization amount.

Benefits of technology

Clean the surface residues of the atomized core through the scraper, reduce blockage, extend the service life of the atomized core, and improve the taste of the suction; adjust the area of ​​the deformation holes of the scraper, adjust the atomization amount to meet user needs; battery-free design reduces production and use costs and increases environmental protection.

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Abstract

The invention relates to a battery-free electronic cigarette, and belongs to the technical field of electronic cigarettes. The battery-free electronic cigarette comprises a cigarette rod and a tobacco tar bin arranged in the cigarette rod, an atomizing core is arranged in the tobacco tar bin, and the interior of the tobacco tar bin is movably connected with a cigarette holder extending to the outer side of the tobacco tar bin; the electronic cigarette further comprises an adjusting mechanism, the design without a battery and a cigarette cartridge is adopted, the production cost and the use cost are reduced, the electronic cigarette is more environmentally friendly, in the use process, the tobacco tar covering amount matched with the surface of the atomization core is adopted, the uniformity and the effect of heating atomization are guaranteed, the smoking taste is improved, the workload of the atomization core is reduced, and the service life of the atomization core is prolonged; meanwhile, accumulated carbon and residues on the atomization core can be conveniently cleaned, the blocking phenomenon is reduced, the phenomena that the atomization amount is reduced, the suction resistance is increased and the smoke is burnt and bitter are reduced, and in the using process, the atomization amount can be adjusted according to the smoking requirement and habit of a user.
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Description

Technical Field

[0001] The present invention relates to the technical field of electronic cigarettes, and in particular to a battery-free electronic cigarette. Background Art

[0002] Electronic cigarettes are an electronic product that imitates cigarettes. They use atomization and other means to turn nicotine and other substances into vapor, which users can inhale. They are popular among smokers. Because electronic cigarettes contain nicotine and other substances, it is strictly prohibited to sell electronic cigarettes to minors and minors are prohibited from smoking electronic cigarettes.

[0003] In the prior art, the use of electronic cigarettes usually includes a battery and is used with a replaceable cartridge. During use, the built-in atomizer core is used to heat and atomize the e-cigarette oil, which is then convenient for users to inhale. However, this method has the following defects during actual use: the method of including batteries and frequent replacement of cartridges has high production and use costs, and the replaced cartridges, atomizer cores and built-in batteries are difficult to recycle, which is not environmentally friendly. During the atomization of the e-cigarette oil, the e-cigarette oil in the cartridge covers the atomizer core over a large area, resulting in uneven heating during the operation of the atomizer core, resulting in poor atomization effect and affecting the taste of the smoke. In addition, this method increases the workload of the atomizer core and shortens its service life. When the e-cigarette oil is not used regularly, carbon deposits and residues are likely to exist on the atomizer core, resulting in blockage of its surface, thereby reducing the atomization volume, increasing the inhalation resistance and causing a burnt and bitter taste in the smoke. In addition, it is not easy to adjust the atomization volume according to the user's smoking habits and needs. Summary of the invention

[0004] Based on this, it is necessary to provide a battery-free electronic cigarette to address the problems that the replaced cartridges, atomizer cores and built-in batteries are difficult to recycle, are not environmentally friendly, the atomizer cores are easily clogged, and it is difficult to adjust the atomization volume according to user needs.

[0005] A battery-free electronic cigarette comprises a cigarette rod and a smoke oil bin arranged therein, wherein an atomizer core is arranged inside the smoke oil bin, and a cigarette holder extending to the outside of the smoke oil bin is movably connected inside the smoke oil bin; further comprising an adjustment mechanism, wherein the adjustment mechanism is arranged at one side of the atomizer core and is used to clean the atomizer core and adjust the atomization amount; wherein the adjustment mechanism comprises a scraper in contact with one side of the atomizer core, wherein the scraper can rotate along the axis of the smoke oil bin, wherein a deformation hole is opened inside the scraper, and wherein the material of the scraper is silicone rubber.

[0006] In one embodiment, the adjustment mechanism further comprises a T-shaped rod fixedly mounted in the cigarette holder, and one end of the T-shaped rod is connected to one side of the scraper.

[0007] In one embodiment, the interior of the e-liquid bin is rotatably connected to an inner cylinder, the cigarette holder is inserted into and slidably connected to the interior of the inner cylinder, the inner diameter of the inner cylinder is larger than the diameter of the atomizer core, and an annular sedimentation groove is formed between the inner wall of the inner cylinder and the atomizer core.

[0008] In one of the embodiments, the outer side of the inner cylinder is provided with a fixing ring fixedly installed in the oil bin, and the interior of the fixing ring is provided with two oil-replenishing holes symmetrical along the axis of the oil bin, one of the oil-replenishing holes extends to the interior of the inner cylinder, and the horizontal position of the oil-replenishing hole is higher than the annular sedimentation groove.

[0009] In one of the embodiments, two metal rings are embedded on the outer side of the cigarette holder, and a magnetic ring that can be magnetically connected to the metal rings is embedded on the top of the cigarette oil bin.

[0010] In one of the embodiments, a spiral guide plate is disposed on the outer fixed sleeve of the T-shaped rod, and one end of the spiral guide plate extends to the inside of the cigarette holder.

[0011] In one of the embodiments, two partitions symmetrically arranged along the axis of the oil bin are installed on the outer side of the fixing ring, two oil filling holes are provided on the oil bin, and sealing plugs are provided inside the oil filling holes.

[0012] In one of the embodiments, a component compartment is provided inside the cigarette rod, a circuit board is provided inside the component compartment, a microphone is mounted on the circuit board, a base with an electrical interface is provided on one side of the circuit board, one side of the base is plugged into the component compartment, and the electrical interface extends to the inside of the cigarette rod.

[0013] In one of the embodiments, two conductive contacts are disposed on the side of the e-liquid bin opposite to the component bin, and a magnetic sheet that can be magnetically connected to the top conductive contact is disposed inside the bottom conductive contact.

[0014] In one of the embodiments, the outer side of the atomizer core is provided with a base threadedly connected to the oil tank, the oil tank is connected to the cigarette rod by bolts, and the outer side of the cigarette holder is sprayed with a mark facing an oil filling hole.

[0015] The battery-free electronic cigarette can make the T-shaped rod drive the scraper to rotate on the atomization core to scrape off the residue on the surface of the atomization core, reduce the occurrence of blockage, reduce the reduction of atomization volume, increase the suction resistance and the occurrence of burnt bitterness in the smoke, and introduce the residue into the annular sedimentation tank. The scraper can also be squeezed to deform to increase the area of ​​the atomization core covered, thereby reducing the heating and atomization area of ​​the atomization core, thereby achieving the effect of regulating the atomization volume;

[0016] The inner diameter of the inner cylinder is used to limit the coverage area of ​​the atomizer core by the oil, and the amount of smoke oil that matches the surface operating area of ​​the atomizer core is used to ensure the uniformity and effect of heating and atomization, improve the smoking taste, reduce the workload of the atomizer core, and extend its service life;

[0017] It adopts a battery-free and cartridge-free design, and uses the power interface to directly power the device with an external power supply, omitting the charging steps and reducing battery life anxiety during use, making the e-cigarette lighter and more practical as a whole. It also reduces the safety hazards of overheating and explosion of the built-in power supply, and uses the oil filling method to replenish the oil, reducing production and use costs, making it more environmentally friendly and safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 It is a cross-sectional schematic diagram of the cigarette rod and the cigarette oil bin of the present invention;

[0021] Figure 3 It is a cross-sectional schematic diagram of the smoke oil bin and the inner cylinder of the present invention;

[0022] Figure 4 Schematic diagram of the explosion of the fixing ring and the inner cylinder of the present invention

[0023] Figure 5 It is a cross-sectional schematic diagram of the fixing ring and the inner cylinder of the present invention;

[0024] Figure 6 It is a schematic diagram of the structure of the T-shaped rod and the scraper of the present invention;

[0025] Figure 7 It is a schematic diagram of the structure of the conductive contact and the magnetic sheet of the present invention;

[0026] Figure 8 It is a schematic diagram of the power interface of the present invention when it is connected to a power bank for use.

[0027] Reference numerals:

[0028] 100, cigarette rod; 110, component compartment; 120, conductive contact; 200, smoke oil compartment; 210, inner tube; 211, annular sedimentation trough; 220, fixing ring; 221, oil filling hole; 222, partition; 230, magnetic ring; 240, atomization core; 300, cigarette holder; 310, metal ring; 400, adjustment mechanism; 410, scraper; 411, deformation hole; 420, T-shaped rod; 421, spiral guide plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of the present invention are for illustrative purposes only and do not represent the only implementation method.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are indirectly in contact through an intermediate medium. Moreover, a first feature being “above”, “above” or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below” or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0033] Unless otherwise defined, all technical and scientific terms used in the specification of the present invention have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in the specification of the present invention includes any and all combinations of one or more related listed items.

[0034] Combine the following Figure 1-Figure 8 The battery-free electronic cigarette of the present invention is described.

[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in one embodiment, a battery-free electronic cigarette includes a cigarette rod 100 and a smoke oil bin 200 arranged therein, wherein an atomizer core 240 is arranged inside the smoke oil bin 200, and a cigarette holder 300 extending to the outside of the smoke oil bin 200 is movably connected inside the smoke oil bin 200; and also includes an adjustment mechanism 400, which is arranged on one side of the atomizer core 240 and is used to clean the atomizer core 240 and adjust the atomization amount; wherein the adjustment mechanism 400 includes a scraper 410 in contact with one side of the atomizer core 240, the scraper 410 can rotate along the axis of the smoke oil bin 200, a deformation hole 411 is opened inside the scraper 410, and the material of the scraper 410 is silicone rubber.

[0036] like Figure 3 , Figure 4 and Figure 6 As shown, the adjustment mechanism 400 further includes a T-shaped rod 420 fixedly installed in the cigarette holder 300 , and one end of the T-shaped rod 420 is connected to one side of the scraper 410 .

[0037] During the use of the electronic cigarette, the atomizer core 240 can be used to heat and atomize the e-liquid. When the atomizer core 240 needs to be cleaned, the user can rotate the cigarette holder 300 to make the T-shaped rod 420 drive the scraper 410 to rotate on the atomizer core 240 to scrape off the residue on the surface. The setting of the silicone rubber material ensures the scraping effect while not easily causing damage to the atomizer core 240.

[0038] When the user needs to adjust the atomization amount, the user can press the cigarette holder 300 so that the T-shaped rod 420 drives the scraper 410 to press against the surface of the atomization core 240, and then the scraper 410 is deformed to increase the area of ​​the atomization core 240 that is blocked, thereby reducing the heated atomization area of ​​the atomization core 240. The setting of the silicone rubber material has good high temperature resistance, and during the deformation process, the setting of the deformation hole 411 can increase the deformation range of the scraper 410. At the same time, the deformation hole 411 also facilitates the flow of smoke oil and reduces the precipitation of smoke oil.

[0039] like Figure 3 , Figure 4 and Figure 5 As shown, the inner cylinder 210 is rotatably connected to the inside of the e-liquid tank 200, and the mouthpiece 300 is inserted into and slidably connected to the inside of the inner cylinder 210. The inner diameter of the inner cylinder 210 is larger than the diameter of the atomizer core 240, and an annular sedimentation groove 211 is formed between the inner wall of the inner cylinder 210 and the atomizer core 240.

[0040] The inner diameter of the inner cylinder 210 is used to limit the coverage area of ​​the atomizer core 240 by the oil, thereby ensuring the uniformity and effect of heating and atomization, improving the smoking taste, reducing the workload of the atomizer core 240, and extending its service life;

[0041] By setting the annular sedimentation tank 211, after the cleaning operation of the atomizer core 240 is completed, the residue can be collected and is not easily mixed with the subsequent new oil, thereby reducing the difficulty of cleaning the atomizer core 240 during subsequent use. When the user regularly disassembles the atomizer core 240 for maintenance, the residue in the annular sedimentation tank 211 and a small amount of oil can be discharged and cleaned.

[0042] like Figure 3 and Figure 5 As shown, the outer side of the inner cylinder 210 is provided with a fixing ring 220 fixedly installed in the oil bin 200, and the interior of the fixing ring 220 is provided with two oil replenishing holes 221 symmetrical along the axis of the oil bin 200, one oil replenishing hole 221 extends to the interior of the inner cylinder 210, and the horizontal position of the oil replenishing hole 221 is higher than the annular sedimentation groove 211.

[0043] After the oil in the inner cylinder 210 is used up, the user can rotate the inner cylinder 210 so that the oil replenishing hole 221 inside it corresponds to the corresponding oil replenishing hole 221 on the fixing ring 220, so that the oil outside the fixing ring 220 can be introduced into the inner cylinder 210 along the oil replenishing hole 221 for subsequent use;

[0044] When the inner cylinder 210 rotates to replenish oil, the scraper 410 follows the movement, and at this time, the atomizer core 240 is cleaned.

[0045] like Figure 1 , Figure 3 and Figure 4 As shown, two metal rings 310 are embedded on the outer side of the cigarette holder 300 , and a magnetic ring 230 that can be magnetically connected to the metal rings 310 is embedded on the top of the cigarette oil bin 200 .

[0046] After the cigarette holder 300 moves up and down, the metal ring 310 at the corresponding position can be magnetically connected to the magnetic ring 230 to ensure the stability of the cigarette holder 300.

[0047] like Figure 3 and Figure 4As shown, a spiral guide piece 421 is fixedly sleeved on the outer side of the T-shaped rod 420 , and one end of the spiral guide piece 421 extends to the inside of the cigarette holder 300 .

[0048] By adopting the setting of the spiral guide plate 421, after the atomization operation, during the user's inhalation process, the smoke can flow along the setting path of the spiral guide plate 421, thereby improving the smoke mixing effect and flow rate, and improving the inhalation taste.

[0049] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, two partitions 222 symmetrically arranged along the axis of the smoke oil bin 200 are installed on the outer side of the fixing ring 220. The smoke oil bin 200 is provided with two oil filling holes, and sealing plugs are arranged inside the oil filling holes.

[0050] By using the setting of the fixing ring 220 and the partition 222, two oil storage spaces can be formed in the oil tank 200, so that the user can fill the oil of different flavors through the oil filling hole according to his own taste. After each oil filling is completed, the oil filling hole can be closed with a sealing plug.

[0051] like Figure 2 and Figure 4 As shown, a component compartment 110 is provided inside the cigarette rod 100, a circuit board is provided inside the component compartment 110, a microphone is mounted on the circuit board, a base with an electrical interface is provided on one side of the circuit board, one side of the base is plugged into the interior of the component compartment 110, the electrical interface extends to the interior of the cigarette rod 100, a step-down module is provided on the circuit board, and the electrical interface can be adapted to a USB connection cable.

[0052] The microphone head can sense the airflow changes when the user inhales, and transmit the signal to the circuit board of the electronic cigarette, thereby triggering the operation of the atomizer core 240. With the setting of the power interface, the battery storage method is omitted, and the USB connection line is used to directly connect to the external power supply and the mobile phone to complete the power transmission, which is more environmentally friendly. In addition, the battery-free design method can make the electronic cigarette lighter, easier to carry and use, and the battery life is also longer than that of the traditional built-in power supply. The charging waiting time is omitted, and the safety hazards of overheating and explosion in the traditional built-in power supply are reduced, which promotes the electronic cigarette industry to develop in a more environmentally friendly and safer direction.

[0053] like Figure 2 , Figure 3 and Figure 7 As shown, two conductive contacts 120 are disposed on the side of the smoke oil bin 200 opposite to the component bin 110 , and a magnetic sheet that can be magnetically connected to the top conductive contact 120 is disposed inside the bottom conductive contact 120 .

[0054] The conductive contacts 120 are arranged to provide power to the atomizer core 240 , and the magnetic sheet is adsorbed on the corresponding conductive contacts 120 to ensure the contact effect between two adjacent conductive contacts 120 and reduce the occurrence of poor contact.

[0055] like Figure 2 , Figure 3 and Figure 4 As shown, the outer side of the atomizer core 240 is sleeved with a base threadedly connected to the oil tank 200, the oil tank 200 and the cigarette rod 100 are connected by bolts, and the outer side of the cigarette holder 300 is sprayed with a mark facing an oil filling hole.

[0056] The entire device is divided into three modules: the cigarette rod 100, the smoke oil tank 200 and the component tank 110, which is convenient for later inspection and maintenance. After removing the smoke oil tank 200, the base can be separated from the smoke oil tank 200, and the atomizer core 240 can be replaced and cleaned.

[0057] The matching identification setting facilitates the user to align the oil filling hole 221 on the fixing ring 220 with the oil filling hole 221 on the inner cylinder 210 according to taste requirements when filling the oil, so as to complete the oil filling of the corresponding flavor.

[0058] Working principle: During the use of the electronic cigarette, the atomizer core 240 can be used to heat and atomize the e-liquid, and the inner diameter of the inner cylinder 210 is used to limit the coverage area of ​​the atomizer core 240 by the oil, thereby ensuring the uniformity and effect of the heated atomization, improving the smoking taste, reducing the workload of the atomizer core 240, and extending its service life. The spiral guide plate 421 is used to make the smoke flow along the set path of the spiral guide plate 421 after the atomization operation, and improve the smoke mixing effect and flow rate, and improve the smoking taste. When the atomizer core 240 needs to be cleaned, the user can rotate the cigarette holder 30 0, the T-shaped rod 420 drives the scraper 410 to rotate on the atomizer core 240 to scrape off the residue on its surface. The setting of the silicone rubber material ensures the scraping effect while not causing damage to the atomizer core 240. Through the setting of the annular sedimentation tank 211, after the cleaning operation of the atomizer core 240 is completed, the residue can be collected and not easily mixed with the subsequent new oil, thereby reducing the difficulty of cleaning the atomizer core 240 during subsequent use. When the user regularly disassembles the atomizer core 240 for maintenance, the residue in the annular sedimentation tank 211 and a small amount of oil are discharged and cleaned; when the user needs to adjust the atomization amount When the cigarette holder 300 is pressed, after the cigarette holder 300 moves up and down, the metal ring 310 at the corresponding position can be magnetically connected to the magnetic ring 230 to ensure the stability of the cigarette holder 300, and then the T-shaped rod 420 drives the scraper 410 to press the surface of the atomizer core 240, and then the scraper 410 is deformed to increase the area of ​​the atomizer core 240 covered, thereby reducing the heated atomization area of ​​the atomizer core 240. The setting of the silicone rubber material has good high temperature resistance, and in the deformation process, the setting of the deformation hole 411 can increase the deformation range of the scraper 410, and at the same time, the deformation hole 411 is also convenient for the flow of smoke oil, reducing the smoke oil. The entire device adopts a battery-free and smoke-block-free design, which reduces production and use costs and is more environmentally friendly. During use, the amount of smoke oil that matches the surface operating area of ​​the atomizer core 240 is used to ensure the uniformity and effect of heating and atomization, improve the smoking taste, reduce the workload of the atomizer core 240, and extend its service life. At the same time, it is easy to clean the carbon deposits and residues on the atomizer core 240, reduce the occurrence of blockage, reduce the reduction of atomization volume, increase in suction resistance, and the occurrence of burnt bitterness in the smoke. During use, the atomization volume can also be adjusted according to the user's smoking needs and habits;

[0059] It should be noted that existing smart phones have mature power management functions. The step-down module mentioned in this application is a DC-DC step-down chip. The mobile phone uses a plug-and-play mode to power the electronic cigarette, using the reverse charging function of the mobile phone and then using it with a USB OTG data cable according to the situation.

[0060] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0061] The above-described embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A battery-free electronic cigarette, characterized in that: include: A cigarette rod (100) and a cigarette oil bin (200) disposed therein, wherein an atomizer core (240) is disposed inside the cigarette oil bin (200), and a cigarette holder (300) extending to the outside of the cigarette oil bin (200) is movably connected to the inside of the cigarette oil bin (200); It also includes an adjustment mechanism (400), wherein the adjustment mechanism (400) is arranged on one side of the atomizer core (240) and is used to clean the atomizer core (240) and adjust the atomization amount; The adjustment mechanism (400) comprises a scraper (410) in contact with one side of the atomizer core (240); the scraper (410) can rotate along the axis of the e-liquid bin (200); a deformation hole (411) is provided inside the scraper (410); and the scraper (410) is made of silicone rubber.

2. The battery-free electronic cigarette according to claim 1, characterized in that: The adjustment mechanism (400) further comprises a T-shaped rod (420) fixedly installed in the cigarette holder (300), and one end of the T-shaped rod (420) is connected to one side of the scraper (410).

3. The battery-free electronic cigarette according to claim 1, characterized in that: The interior of the smoke oil bin (200) is rotatably connected to an inner cylinder (210), the cigarette holder (300) penetrates into and is slidably connected to the interior of the inner cylinder (210), the inner diameter of the inner cylinder (210) is greater than the diameter of the atomizer core (240), and an annular sedimentation groove (211) is formed between the inner wall of the inner cylinder (210) and the atomizer core (240).

4. The battery-free electronic cigarette according to claim 3, characterized in that: The outer side of the inner cylinder (210) is sleeved with a fixing ring (220) fixedly mounted in the smoke oil bin (200); the interior of the fixing ring (220) is provided with two oil replenishing holes (221) symmetrically arranged along the axis of the smoke oil bin (200); one of the oil replenishing holes (221) extends into the interior of the inner cylinder (210); and the horizontal position of the oil replenishing hole (221) is higher than the annular sedimentation groove (211).

5. The battery-free electronic cigarette according to claim 1, characterized in that: Two metal rings (310) are embedded on the outer side of the cigarette holder (300), and a magnetic ring (230) that can be magnetically connected to the metal rings (310) is embedded on the top of the cigarette oil bin (200).

6. The battery-free electronic cigarette according to claim 2, characterized in that: The outer fixed sleeve of the T-shaped rod (420) is provided with a spiral guide plate (421), and one end of the spiral guide plate (421) extends to the inside of the cigarette holder (300).

7. The battery-free electronic cigarette according to claim 4, characterized in that: Two partitions (222) are installed on the outer side of the fixing ring (220) and are symmetrical along the axis of the smoke oil bin (200). Two oil filling holes are provided on the smoke oil bin (200), and sealing plugs are provided inside the oil filling holes.

8. The battery-free electronic cigarette according to claim 1, characterized in that: A component compartment (110) is arranged inside the cigarette rod (100), a circuit board is arranged inside the component compartment (110), a microphone is mounted on the circuit board, a base with an electrical interface is arranged on one side of the circuit board, one side of the base is plugged into the interior of the component compartment (110), and the electrical interface extends to the interior of the cigarette rod (100).

9. The battery-free electronic cigarette according to claim 8, characterized in that: Two conductive contacts (120) are arranged on the side of the smoke oil bin (200) opposite to the component bin (110), and a magnetic sheet which can be magnetically connected to the top conductive contact (120) is arranged inside the bottom conductive contact (120).

10. The battery-free electronic cigarette according to claim 7, characterized in that: The outer side of the atomizer core (240) is sleeved with a base threadedly connected to the smoke oil bin (200); the smoke oil bin (200) and the cigarette rod (100) are connected via bolts; and the outer side of the cigarette holder (300) is sprayed with a mark facing an oil filling hole.