Solenoid valve for cigarette, atomizer and electronic cigarette

By designing a solenoid valve for e-cigarettes, the oil storage chamber and atomization chamber are switched on and off using a coil to control the valve core sliding, thus solving the leakage problem in e-cigarettes and improving the user experience.

CN224112154UActive Publication Date: 2026-04-14SHENZHEN KUKE VAPING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN KUKE VAPING CO LTD
Filing Date
2025-03-13
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

In existing electronic cigarettes, the oil storage chamber and the atomizing chamber are directly connected, which is prone to leakage, resulting in oil leakage and affecting the user experience.

Method used

Design a solenoid valve for cigarettes, which controls the sliding of the valve core in the slide hole by switching the coil on and off, thereby opening and closing the oil storage chamber and the atomizing chamber and avoiding unnecessary e-liquid flow.

Benefits of technology

It effectively prevents leakage between the oil storage chamber and the atomizing chamber, ensuring that the atomizing chamber is connected when there is enough e-liquid, otherwise it remains disconnected to avoid oil leakage. The structure is simple and easy to control.

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Abstract

The utility model belongs to the technical field of connectors, and particularly relates to a solenoid valve for a cigarette, an atomizer and an electronic cigarette, the solenoid valve for the cigarette comprises a valve seat, a valve core, an elastic piece and a coil sleeved on the valve seat; a sliding hole, a first through hole, a second through hole and a containing hole are formed in the valve seat, the two opposite ends of the first through hole communicate with the sliding hole and the containing hole correspondingly, the containing hole is used for installing the atomization pipe, and the two opposite ends of the second through hole communicate with the sliding hole and the oil storage cavity correspondingly; the valve element is slidably installed in the sliding hole, the elastic piece is installed in the sliding hole and abuts against the valve element, and the end, away from the elastic piece, of the valve element is used for blocking or opening the first through hole. The elastic piece is used for driving the valve element to move in the sliding hole in the direction close to the first through hole, and the coil is used for driving the valve element to move in the first sliding hole in the direction away from the first through hole. According to the utility model, the oil storage cavity and the atomization through hole of the atomization pipe are not in a conduction state all the time, so that the accident of oil leakage is avoided.
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Description

Technical Field

[0001] This utility model belongs to the field of connector technology, and in particular relates to a solenoid valve for cigarettes, an atomizer, and an electronic cigarette. Background Technology

[0002] Electronic cigarettes are a new type of inhaled electronic product. Because they do not produce toxic or harmful substances such as tar and carbon monoxide, they are very popular with consumers. However, in current electronic cigarette products, the e-liquid storage chamber is directly connected to the atomizing chamber that produces vapor. When the e-liquid flows from the storage chamber to the atomizing chamber, leakage is very likely to occur between them, resulting in e-liquid leakage and affecting the user experience. Summary of the Invention

[0003] This utility model provides a solenoid valve for cigarettes, an atomizer, and an electronic cigarette to solve the technical problems such as easy leakage between the oil storage chamber and the atomizing chamber in the prior art.

[0004] An embodiment of this utility model provides a solenoid valve for cigarette use, including a valve seat, a valve core, an elastic element, and a coil sleeved on the valve seat; the valve seat is provided with a sliding hole, a first through hole, a second through hole, and a receiving hole, the two opposite ends of the first through hole are respectively connected to the sliding hole and the receiving hole, the receiving hole is used to install an atomizing tube, one end of the second through hole is connected to the sliding hole, and the other end of the second through hole is used to connect to an oil storage chamber;

[0005] The valve core is slidably installed in the sliding hole, the elastic element is installed in the sliding hole and abuts against the valve core, and the end of the valve core away from the elastic element is used to block or open the first through hole;

[0006] When the coil is energized, it drives the valve core to slide in the sliding hole in a direction away from the first through hole, so that the first through hole connects to the second through hole; when the coil is de-energized, the elastic element drives the valve core to slide in the sliding hole in a direction close to the first through hole, so that the first through hole does not connect to the second through hole.

[0007] Optionally, the centerline of the sliding hole coincides with the centerline of the first through hole, and the centerline of the second through hole is perpendicular to the centerline of the sliding hole.

[0008] Optionally, the centerline of the sliding hole is perpendicular to the centerline of the first through hole, and the centerline of the second through hole coincides with the centerline of the sliding hole.

[0009] Optionally, the solenoid valve for smoke further includes a sealing element, which is installed at the end of the valve core away from the elastic element and is used to block the first through hole.

[0010] Optionally, the valve seat includes a bracket and a valve cylinder mounted on the bracket, the coil is sleeved on the valve cylinder, the sliding hole is disposed on the valve cylinder, and the first through hole, the second through hole and the receiving hole are all disposed on the bracket.

[0011] An embodiment of this utility model also provides an atomizer, including a shell, an oil storage cotton, a heating element, an atomizing tube, and the aforementioned solenoid valve for cigarette use; the shell is provided with a first space, a second space, and an oil storage chamber; the solenoid valve for cigarette use is installed in the first space; one end of the atomizing tube is installed in the second space; and the other end of the atomizing tube is installed in the receiving hole; the end of the second through hole away from the sliding hole is connected to the oil storage chamber;

[0012] The heating element and the oil storage cotton are both installed in the atomizing through hole of the atomizing tube. The side wall of the atomizing tube is provided with a side hole, and the first through hole is connected to the atomizing through hole through the side hole.

[0013] Optionally, the atomizing tube includes an inner tube and an outer tube coaxially sleeved together; the atomizing through hole includes an inner hole disposed on the inner tube and an annular hole disposed between the inner tube and the outer tube; the side hole includes a first side hole disposed on the side wall of the outer tube and a second side hole disposed on the side wall of the inner tube; the first through hole communicates with the annular hole through the first side hole, and the annular hole communicates with the inner hole through the second side hole;

[0014] The oil-storing cotton is installed in the annular hole, and the heating element is installed in the inner hole.

[0015] Optionally, the atomizer further includes an oil-absorbing cotton in the third through hole and an air regulating component slidably mounted on the housing. The oil-absorbing cotton is installed inside the housing, the third through hole communicates with the inner hole, and the air regulating component is used to adjust the opening degree of the third through hole.

[0016] Optionally, the outer casing is further provided with a nozzle tube that communicates with the atomizing through hole.

[0017] An embodiment of this utility model also provides an electronic cigarette, characterized in that it includes a control board, a battery and the aforementioned atomizer, wherein the control board and the battery are both installed inside the housing, and the coil, the heating element and the battery are all electrically connected to the control board.

[0018] In this invention, the coil is sleeved on the valve seat and outside the sliding hole; the valve core is slidably installed in the sliding hole, and the elastic element is installed in the sliding hole and abuts against the valve core. When the coil is de-energized, the elastic force of the elastic element causes the valve core to move in the sliding hole toward the end closer to the first through hole until the end of the valve core away from the elastic element blocks the first through hole. At this time, the first through hole and the second through hole are not connected, and the e-liquid in the oil storage chamber will not flow into the atomizing through hole of the atomizing tube through the solenoid valve. When the coil is energized, the valve core slides in the sliding hole toward the end away from the first through hole, and the valve core compresses the elastic element and moves away from the first through hole. At this time, the first through hole and the second through hole are connected, and the e-liquid in the oil storage chamber can flow into the atomizing through hole of the atomizing tube through the solenoid valve. In this invention, the on / off state of the solenoid valve is controlled by controlling the energization of the coil. When there is sufficient e-liquid inside the atomizing tube, the solenoid valve is in the off state; when there is insufficient e-liquid inside the atomizing tube, the solenoid valve is in the on state. The oil storage chamber will not be constantly connected to the atomizing through-hole of the atomizing tube, and the atomizing through-hole of the atomizing tube will not leak due to excessive e-liquid storage. Furthermore, the solenoid valve has a simple structure and is easy to control. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of a solenoid valve for smoke application provided in an embodiment of this utility model;

[0021] Figure 2 This is a cross-sectional view of a solenoid valve for smoke application provided in an embodiment of this utility model;

[0022] Figure 3 This is a cross-sectional view of an electronic cigarette provided in an embodiment of the present invention;

[0023] Figure 4 This is a partial exploded structural diagram of an atomizer provided in one embodiment of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of a solenoid valve for smoke production according to another embodiment of this utility model;

[0025] Figure 6 This is a cross-sectional view of an electronic cigarette for smoking provided in another embodiment of this utility model;

[0026] Figure 7 This is a cross-sectional view of an atomizer provided in another embodiment of this utility model.

[0027] The reference numerals in the accompanying drawings are as follows:

[0028] 1. Solenoid valve for cigarette use; 11. Valve seat; 111. Sliding hole; 112. First through hole; 113. Second through hole; 114. Receiving hole; 115. Bracket; 116. Valve cylinder; 12. Valve core; 13. Elastic element; 14. Coil; 15. Sealing element; 2. Outer shell; 21. Oil storage chamber; 22. Mouthpiece tube; 3. Oil storage cotton; 4. Heating element; 5. Atomizing tube; 51. Atomizing through hole; 511. Inner hole; 52. Side hole; 521. First side hole; 522. Second side hole; 53. Inner tube; 54. Outer tube; 6. Oil-absorbing cotton; 7. Gas regulating element; 8. Control board; 9. Battery. Detailed Implementation

[0029] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0030] In the description of this utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] like Figure 1 , Figure 2 , Figure 5 as well as Figure 6 As shown, an embodiment of this utility model provides a solenoid valve 1 for cigarette use, including a valve seat 11, a valve core 12, an elastic element 13, and a coil 14 sleeved on the valve seat 11; the valve seat 11 is provided with a sliding hole 111, a first through hole 112, a second through hole 113, and a receiving hole 114. The opposite ends of the first through hole 112 are respectively connected to the sliding hole 111 and the receiving hole 114. The receiving hole 114 is used to install an atomizing tube 5. One end of the second through hole 113 is connected to the sliding hole 111, and the other end of the second through hole 113 is used to connect to an oil storage chamber 21; it can be understood that when the atomizing tube 5 is installed in the receiving hole 114, the end of the first through hole 112 away from the sliding hole 111 is connected to the atomizing through hole 51 of the atomizing tube 5.

[0033] The valve core 12 is slidably mounted in the sliding hole 111, and the elastic element 13 is mounted in the sliding hole 111 and abuts against the valve core 12. The end of the valve core 12 away from the elastic element 13 is used to block or open the first through hole 112. It can be understood that the elastic element 13 includes, but is not limited to, a spring, etc., and the elastic element 13 has an elastic force on the valve core 12 toward the first through hole 112. The valve core 12 includes, but is not limited to, a magnet or an iron block, etc.

[0034] When the coil 14 is energized, it drives the valve core 12 to slide in the sliding hole 111 in a direction away from the first through hole 112, so that the first through hole 112 is connected to the second through hole 113; when the coil 14 is de-energized, the elastic member 13 drives the valve core 12 to slide in the sliding hole 111 in a direction close to the first through hole 112, so that the first through hole 112 is not connected to the second through hole 113.

[0035] In this invention, the coil 14 is sleeved on the valve seat 11 and is outside the sliding hole 111; the valve core 12 is slidably installed in the sliding hole 111, and the elastic element 13 is installed in the sliding hole 111 and abuts against the valve core 12. When the coil 14 is de-energized, the elastic force of the elastic element 13 causes the valve core 12 to move towards the end of the sliding hole 111 closer to the first through hole 112, until the end of the valve core 12 away from the elastic element 13 blocks the first through hole 112. At this time, the first through hole 112 and the second through hole 113 are not connected, and the e-liquid in the oil storage chamber 21 will not flow into the atomizing through hole 51 of the atomizing tube 5 through the solenoid valve 1. When the coil 14 is energized, the valve core 12 slides in the sliding hole 111 toward the end opposite to the first through hole 112. The valve core 12 compresses the elastic element 13 and moves away from the first through hole 112. At this time, the first through hole 112 and the second through hole 113 are in a conductive state, and the e-liquid in the oil storage chamber 21 can flow into the atomizing through hole 51 of the atomizing tube 5 through the solenoid valve 1. In this invention, the on / off state of the solenoid valve 1 is controlled by controlling the energization of the coil 14. When there is sufficient e-liquid inside the atomizing tube 5, the solenoid valve 1 is in the off state; when there is insufficient e-liquid inside the atomizing tube 5, the solenoid valve 1 is in the on state. The oil storage chamber 21 will not be in a continuous state of communication with the atomizing through hole 51 of the atomizing tube 5, and the atomizing through hole 51 of the atomizing tube 5 will not leak due to excessive e-liquid storage. Furthermore, the solenoid valve 1 has a simple structure and is easy to control.

[0036] In one embodiment, such as Figure 1 and Figure 2 As shown, the centerline of the sliding hole 111 coincides with the centerline of the first through hole 112, and the centerline of the second through hole 113 is perpendicular to the centerline of the sliding hole 111. Preferably, the centerline of the first through hole 112 is perpendicular to the centerline of the receiving hole 114. In this embodiment, the first through hole 112 connects to the side of the receiving hole 114, and the valve core 12 is in a horizontal position, so the cigarette solenoid valve 1 is also in a horizontal position. Therefore, the cigarette solenoid valve 1 can be used for horizontally positioned electronic cigarettes, improving the applicability and versatility of the cigarette solenoid valve 1.

[0037] In one embodiment, such as Figure 5 and Figure 6As shown, the centerline of the sliding hole 111 is perpendicular to the centerline of the first through hole 112, and the centerline of the second through hole 113 coincides with the centerline of the sliding hole 111. Preferably, the first through hole 112 connects the sliding hole 111 and the receiving hole 114 on the side. In this embodiment, both the sliding hole 111 and the valve core 12 are in a vertical position, and the cigarette solenoid valve 1 is in a vertical position, thus the cigarette solenoid valve 1 can be used for vertically oriented electronic cigarettes, improving the applicability and versatility of the cigarette solenoid valve 1.

[0038] In one embodiment, such as Figure 2 and Figure 6 As shown, the solenoid valve 1 for cigarette use also includes a sealing element 15. The sealing element 15 is installed at the end of the valve core 12 away from the elastic element 13 and is used to block the first through hole 112. It can be understood that the sealing element 15 includes, but is not limited to, sealing rings, silicone gaskets, etc.; the sealing element 15 abuts against the inner wall of the sliding hole 111 at the end facing the first through hole 112 to achieve the purpose of blocking the first through hole 112 and to ensure the sealing performance of the valve core 12 in blocking the first through hole 112.

[0039] In one embodiment, such as Figure 1 and Figure 5 As shown, the valve seat 11 includes a bracket 115 and a valve cylinder 116 mounted on the bracket 115. The coil 14 is sleeved on the valve cylinder 116, and the sliding hole 111 is disposed on the valve cylinder 116. The first through hole 112, the second through hole 113, and the receiving hole 114 are all disposed on the bracket 115. Understandably, the valve cylinder 116 can be inserted into the second through hole 113. In this embodiment, the valve seat 11 is composed of the bracket 115 and the valve cylinder 116. The bracket 115 and the valve cylinder 116 can be manufactured separately, reducing the manufacturing difficulty of the valve seat 11.

[0040] like Figure 3 and Figure 6 As shown, another embodiment of this utility model also provides an atomizer, including a housing 2, an oil storage cotton 3, a heating element 4, an atomizing tube 5, and the aforementioned solenoid valve 1 for cigarette use; the housing 2 is provided with a first space, a second space, and an oil storage chamber 21, the solenoid valve 1 for cigarette use is installed in the first space, one end of the atomizing tube 5 is installed in the second space, and the other end of the atomizing tube 5 is installed in the receiving hole 114; the end of the second through hole 113 away from the sliding hole 111 is connected to the oil storage chamber 21; it is understood that the heating element 4 includes, but is not limited to, a heating wire; a sealing seat can be provided between the atomizing tube 5 and the support 115, and the sealing seat can play a sealing role at the connection between the atomizing tube 5 and the support 115.

[0041] The heating element 4 and the oil-collecting cotton 3 are both installed in the atomizing through-hole 51 of the atomizing tube 5. The side wall of the atomizing tube 5 is provided with a side hole 52, and the first through-hole 112 is connected to the atomizing through-hole 51 through the side hole 52. It can be understood that the oil output can be drawn from the first through-hole 112, and a plurality of the side holes 52 are provided at intervals around the atomizing tube 5.

[0042] Specifically, when the solenoid valve 1 is in the open state, the e-liquid in the oil storage chamber 21 flows sequentially through the first through hole 112, the sliding hole 111, the second through hole 113, and the side hole 52 into the atomizing through hole 51 and is absorbed by the oil storage cotton 3. When the solenoid valve 1 is in the closed state, the e-liquid in the oil storage chamber 21 will not flow into the atomizing through hole 51. After the heating element 4 is energized, it can atomize the e-liquid in the atomizing through hole 51 into atomized particles for the user to inhale. In this embodiment, the solenoid valve 1 can control the opening and closing between the oil storage chamber 21 and the atomizing through hole 51. The oil storage chamber 21 will not be in a continuous open state with the atomizing through hole 51 of the atomizing tube 5, and the atomizing through hole 51 of the atomizing tube 5 will not leak due to excessive e-liquid storage.

[0043] In one embodiment, such as Figure 3 and Figure 4 As shown, the atomizing tube 5 includes an inner tube 53 and an outer tube 54 coaxially sleeved together; the atomizing through hole 51 includes an inner hole 511 disposed on the inner tube 53 and an annular hole disposed between the inner tube 53 and the outer tube 54; the side hole 52 includes a first side hole 521 disposed on the side wall of the outer tube 54 and a second side hole 522 disposed on the side wall of the inner tube 53; the first through hole 112 communicates with the annular hole through the first side hole 521, and the annular hole communicates with the inner hole 511 through the second side hole 522; it can be understood that the inner diameter of the outer tube 54 is larger than the outer diameter of the inner tube 53; the inner tube 53 and the outer tube 54 can be inserted into the same sealing seat; the first side hole 521 is located directly in front of the first through hole 112, and the second side hole 522 is located above the first side hole 521.

[0044] The oil-retaining cotton 3 is installed in the annular hole, and the heating element 4 is installed in the inner hole 511. Specifically, when the solenoid valve 1 is in the open state, the e-liquid in the oil storage chamber 21 is absorbed by the oil-retaining cotton 3 in the annular hole through the first through hole 112, the second through hole 113, and the second side hole 522. The e-liquid in the oil-retaining cotton 3 can enter the inner hole 511 through the second side hole 522 and be atomized by the heating element 4. In this embodiment, the atomizer has a simple structure and low manufacturing cost.

[0045] In one embodiment, such as Figure 3 and Figure 7 As shown, the atomizer also includes an oil-absorbing cotton 6 with a third through-hole and an airflow regulator 7 slidably mounted on the outer shell 2. The oil-absorbing cotton 6 is installed inside the outer shell 2, and the third through-hole communicates with the inner hole 511. The airflow regulator 7 is used to adjust the opening degree of the third through-hole. Understandably, the oil-absorbing cotton 6 is located at the bottom of the atomizing tube 5. If a small amount of e-liquid leaks from the atomizing tube 5, the oil-absorbing cotton 6 can absorb the small amount of leaked e-liquid, thus ensuring the cleanliness of the atomizer. Additionally, external air can enter the inner hole 511 through the oil-absorbing cotton 6. The air and e-liquid are heated at the heating element 4 and form atomized particles. The airflow regulator 7 can adjust the airflow entering the inner hole 511, thereby adjusting the vapor concentration of the atomizer.

[0046] In one embodiment, such as Figure 3 and Figure 7 As shown, the outer casing 2 is also provided with a mouthpiece tube 22 that communicates with the atomizing through hole 51. Understandably, the bottom of the mouthpiece tube 22 can be inserted into the atomizing through hole 51, and a sealing seat is provided at the bottom of the mouthpiece tube 22 and the top of the atomizing tube 5, thereby ensuring the sealing of the connection between the mouthpiece tube 22 and the atomizing tube 5; the top of the atomizing tube 5 is the inhalation port, and the user can inhale the atomized particles through the mouthpiece tube 22.

[0047] like Figure 3 and Figure 7 As shown, an electronic cigarette includes a control board 8, a battery 9, and the aforementioned atomizer. The control board 8 and the battery 9 are both installed within the housing 2. The coil 14, the heating element 4, and the battery 9 are all electrically connected to the control board 8. Understandably, the battery 9 can supply power to the control board 8, the coil 14, and the heating element 4, and the control board 8 can control whether the heating element 4 and the coil 14 are energized.

[0048] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. A solenoid valve for a cigarette, characterized by comprising: It includes a valve seat, a valve core, an elastic element, and a coil sleeved on the valve seat; the valve seat is provided with a sliding hole, a first through hole, a second through hole, and a receiving hole, the two opposite ends of the first through hole are respectively connected to the sliding hole and the receiving hole, the receiving hole is used to install an atomizing tube, one end of the second through hole is connected to the sliding hole, and the other end of the second through hole is used to connect to the oil storage chamber; The valve core is slidably installed in the sliding hole, the elastic element is installed in the sliding hole and abuts against the valve core, and the end of the valve core away from the elastic element is used to block or open the first through hole; When the coil is energized, it drives the valve core to slide in the sliding hole in a direction away from the first through hole, so that the first through hole connects to the second through hole; when the coil is de-energized, the elastic element drives the valve core to slide in the sliding hole in a direction close to the first through hole, so that the first through hole does not connect to the second through hole.

2. The solenoid valve for a tobacco product according to claim 1, characterized by The centerline of the sliding hole coincides with the centerline of the first through hole, and the centerline of the second through hole is perpendicular to the centerline of the sliding hole.

3. The solenoid valve for cigarettes according to claim 1, characterized in that, The centerline of the sliding hole is perpendicular to the centerline of the first through hole, and the centerline of the second through hole coincides with the centerline of the sliding hole.

4. The solenoid valve for cigarettes according to claim 1, characterized in that, The solenoid valve for smoke also includes a sealing element, which is installed at the end of the valve core away from the elastic element and is used to block the first through hole.

5. The solenoid valve for smoke extraction according to claim 1, characterized in that, The valve seat includes a bracket and a valve cylinder mounted on the bracket. The coil is sleeved on the valve cylinder. The sliding hole is disposed on the valve cylinder. The first through hole, the second through hole, and the receiving hole are all disposed on the bracket.

6. An atomizer, characterized in that, The device includes a housing, an oil reservoir, a heating element, an atomizing tube, and a solenoid valve for cigarette use as described in any one of claims 1 to 5; the housing has a first space, a second space, and an oil reservoir; the solenoid valve for cigarette use is installed in the first space; one end of the atomizing tube is installed in the second space; and the other end of the atomizing tube is installed in the receiving hole; the end of the second through hole away from the sliding hole is connected to the oil reservoir. The heating element and the oil storage cotton are both installed in the atomizing through hole of the atomizing tube. The side wall of the atomizing tube is provided with a side hole, and the first through hole is connected to the atomizing through hole through the side hole.

7. The atomizer according to claim 6, characterized in that, The atomizing tube includes an inner tube and an outer tube that are coaxially sleeved together; the atomizing through hole includes an inner hole provided on the inner tube and an annular hole provided between the inner tube and the outer tube; the side hole includes a first side hole provided on the side wall of the outer tube and a second side hole provided on the side wall of the inner tube; the first through hole communicates with the annular hole through the first side hole, and the annular hole communicates with the inner hole through the second side hole; The oil-storing cotton is installed in the annular hole, and the heating element is installed in the inner hole.

8. The atomizer according to claim 7, characterized in that, The atomizer also includes an oil-absorbing cotton with a third through hole and an air regulating component slidably mounted on the housing. The oil-absorbing cotton is installed inside the housing, the third through hole is connected to the inner hole, and the air regulating component is used to adjust the opening degree of the third through hole.

9. The atomizer according to claim 6, characterized in that, The outer shell is also provided with a mouthpiece tube that connects to the atomizing through hole.

10. An electronic cigarette, characterized in that, It includes a control board, a battery, and an atomizer as described in any one of claims 6 to 9, wherein the control board and the battery are both installed inside the housing, and the coil, the heating element, and the battery are all electrically connected to the control board.