Electronic cigarette without central column
The centerless electronic cigarette solves the problems of complex structure and large size of existing electronic cigarettes through an innovative design that combines the outer shell, battery, control device, heating device, oil tank device and mouthpiece device, achieving a simpler and smaller effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-31
AI Technical Summary
Existing electronic cigarettes have complex structures and large volumes, and the design complexity is caused by the central column structure.
Adopting a centerless design, the combination of the outer shell, battery cell, control device, heating device, oil tank device, suction nozzle device and sensing device ensures smooth and stable airflow. The heating element is riveted into the bottom of the oil tank device, and the heating wire is arranged vertically. Combined with the annular transition groove design of the suction nozzle device, the risk of condensate ingress is reduced.
The structure of the e-cigarette has been simplified, the sealing and airflow have been improved, the risk of condensation has been reduced, and a smaller e-cigarette design has been achieved.
Smart Images

Figure CN224055359U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of electronic cigarette technology, and in particular relates to an electronic cigarette without a central column. Background Technology
[0002] As a type of atomizing inhalation device, traditional electronic cigarette atomizers typically employ a central column structure. Their core components include a central oil guide column, oil guide cotton wrapped around the central column, and a heating coil surrounding the oil guide cotton. The central column delivers e-liquid to the atomizing area through capillary action, where it is heated by the heating coil to generate an aerosol. However, existing electronic cigarette technologies suffer from high structural complexity and large size. Utility Model Content
[0003] The purpose of this invention is to provide a central column-free electronic cigarette, which aims to solve the technical problem of complex structure in existing electronic cigarettes.
[0004] To achieve the above objectives, this utility model provides a centerless electronic cigarette, comprising a shell, a battery, a control device, a heating device, an oil reservoir, a mouthpiece, and a sensing device. The sensing device, the battery, the control device, the heating device, and the oil reservoir are arranged sequentially within the shell. The mouthpiece is located at one end of the shell, and the sensing device is located near the other end of the shell. The sensing device, the battery, and the heating device are all electrically connected to the control device. The oil reservoir has an exhaust channel, and both ends of the exhaust channel are connected to the mouthpiece and the heating device, respectively.
[0005] Preferably, the heating device includes a central tube, a heating wire, and a non-woven fabric, wherein the heating wire and the non-woven fabric are both disposed in the central tube, and the central tube is connected to the oil tank device and the air outlet channel.
[0006] Preferably, the suction nozzle device includes a suction nozzle cover and a suction nozzle silicone. The suction nozzle silicone is provided with a clearance hole and a positioning hole. The positioning hole is located in the center of the suction nozzle silicone. The suction nozzle cover is snapped into one end of the outer shell and inserted into the positioning hole. The clearance hole is connected to the air outlet channel.
[0007] Preferably, the nozzle cover is recessed downward to form an air passage groove, and the inner side of the air passage groove is provided with a through hole to connect to the air passage hole.
[0008] Preferably, a positioning post extends downward from the bottom of the air passage groove, and the positioning post is inserted into the positioning hole.
[0009] Preferably, the bottom of the suction nozzle cover is provided with an annular transition groove, which connects the air-proof hole and the air-passing groove respectively.
[0010] Preferably, the outer side wall of the suction nozzle silicone is provided with a plurality of first annular protrusions and a plurality of second annular protrusions, the first annular protrusions abutting against the inner side wall of the outer shell, and the second annular protrusions abutting against the inner side wall of the oil tank device.
[0011] Preferably, a plurality of third annular protrusions are provided on the inner sidewall of the positioning hole, and the third annular protrusions abut against the bottom of the suction nozzle cover.
[0012] Preferably, the bottom of the outer casing is provided with a bottom cover, and the sensing device is mounted on the bottom cover.
[0013] Preferably, a gap is left between the battery cell and the inner wall of the outer casing to allow gas to pass through.
[0014] The above-mentioned technical solutions of the central column-free electronic cigarette provided in this utility model embodiment have at least one of the following technical effects:
[0015] The centerless electronic cigarette of this utility model is assembled from a shell, a battery cell, a control device, a heating device, a fuel tank, a mouthpiece, and a sensing device. The heating device is riveted into the bottom of the fuel tank to improve sealing, and the heating wire in the heating device is arranged vertically to ensure smoother and more stable airflow. During assembly, the sensing device, battery cell, control device, heating device, and fuel tank are all installed in the shell, with the sensing device located at the rear end of the shell for sensing gas. The heating device is riveted into the bottom of the fuel tank, connecting the fuel tank to an air outlet channel on the fuel tank, allowing gas to flow out from the mouthpiece. An annular transition groove is provided in the mouthpiece, allowing gas to pass through before exiting the mouthpiece, thereby reducing the risk of condensate ingress. Through the above structural design, the electronic cigarette structure of this application is simplified. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art 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.
[0017] Figure 1 An illustration of a central column-free electronic cigarette provided in an embodiment of this utility model.
[0018] Figure 2An exploded view of a central column-free electronic cigarette provided in an embodiment of this utility model.
[0019] Figure 3 A cross-sectional view of a central column-free electronic cigarette provided in an embodiment of this utility model.
[0020] The following are the labeling elements in the figure:
[0021] 10—Outer casing 11—Bottom cover 20—Battery cell
[0022] 30—Control device; 40—Heating device; 41—Central tube
[0023] 42—Heating wire; 43—Non-woven fabric; 50—Oil tank device
[0024] 51—Air outlet channel; 60—Suction nozzle device; 61—Suction nozzle cover
[0025] 62—Suction nozzle silicone; 70—Sensing device; 611—Air passage groove
[0026] 612—Location post. Detailed Implementation
[0027] The embodiments of this utility model are described in detail below, with examples of the embodiments shown in the appendix. Figures 1-3 As shown, the same or similar reference numerals throughout denote the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.
[0028] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of 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. Therefore, they should not be construed as limitations on this utility model.
[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0030] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.
[0031] In one embodiment of this utility model, such as Figures 1-3 As shown, a centerless electronic cigarette is provided, including a housing 10, a battery cell 20, a control device 30, a heating device 40, an oil tank device 50, a mouthpiece device 60, and a sensing device 70. The sensing device 70, battery cell 20, control device 30, heating device 40, and oil tank device 50 are arranged sequentially inside the housing 10. The mouthpiece device 60 is located at one end of the housing 10, and the sensing device 70 is located near the other end of the housing 10. The sensing device 70, battery cell 20, and heating device 40 are all electrically connected to the control device 30. The oil tank device 50 is provided with an air outlet channel 51, and the two ends of the air outlet channel 51 are respectively connected to the mouthpiece device 60 and the heating device 40.
[0032] The centerless electronic cigarette of this invention is assembled from a shell 10, a battery cell 20, a control device 30, a heating device 40, an oil tank device 50, a mouthpiece device 60, and a sensing device 70. The heating device 40 is riveted into the bottom of the oil tank device 50 to improve sealing, and the heating wire 42 in the heating device 40 is arranged vertically to ensure smoother and more stable airflow. During assembly, the sensing device 70, battery cell 20, control device 30, heating device 40, and oil tank device are... All components 50 are installed in the outer casing 10, and the sensing device 70 is located at the tail end of the outer casing 10 for sensing gas. The heating device 40 is pressed against the bottom of the oil tank device 50, connecting the oil tank device 50 and the gas outlet channel 51 provided on the oil tank device 50, so that gas flows out from the mouthpiece device 60. An annular transition groove is provided in the mouthpiece device 60 so that the gas passes through the annular transition groove before being output from the mouthpiece, thereby reducing the risk of condensate inlet. Through the above structural settings, the electronic cigarette structure in this application is simplified.
[0033] In another embodiment of this utility model, such as Figures 2-3 As shown, the heating device 40 includes a central tube 41, a heating wire 42, and a non-woven fabric 43. The heating wire 42 and the non-woven fabric 43 are both disposed in the central tube 41, and the central tube 41 is connected to the oil tank device 50 and the air outlet channel 51. The non-woven fabric 43 wraps the heating wire 42 and is assembled in the vertically arranged central tube 41 to facilitate the passage of airflow.
[0034] In another embodiment of this utility model, such as Figures 2-3 As shown, the suction nozzle device 60 includes a suction nozzle cover 61 and a suction nozzle silicone 62. The suction nozzle silicone 62 is provided with a clearance hole and a positioning hole. The positioning hole is located in the center of the suction nozzle silicone 62. The suction nozzle cover 61 is snapped into one end of the outer shell 10 and is inserted into the positioning hole. The clearance hole is connected to the air outlet channel 51. The suction nozzle silicone 62 seals the oil tank device 50 while enabling communication between the air outlet channel 51 and the suction nozzle silicone 62.
[0035] In another embodiment of this utility model, such as Figures 2-3 As shown, the nozzle cover 61 is recessed downward to form an air passage groove 611. The inner side of the air passage groove 611 is provided with a through hole to connect to the air passage hole, leaving a space for gas transition.
[0036] In another embodiment of this utility model, such as Figures 2-3 As shown, a positioning post 612 extends downward from the bottom of the air passage groove 611. The positioning post 612 is inserted into the positioning hole, and the positioning and installation of the suction nozzle cover 61 is achieved through the positioning post 612.
[0037] In another embodiment of this utility model, such as Figures 2-3 As shown, the bottom of the mouthpiece cover 61 is provided with an annular transition groove, which is connected to the air-proof hole and the air-passing groove 611 respectively. The smoke enters the annular transition groove first and then enters the inlet, reducing the risk of condensate entering the mouth.
[0038] In another embodiment of this utility model, such as Figures 2-3 As shown, the outer side wall of the suction nozzle silicone 62 is provided with a number of first annular protrusions and a number of second annular protrusions. The first annular protrusions abut against the inner side wall of the outer shell 10, and the second annular protrusions abut against the inner side wall of the oil tank device 50, so that the suction nozzle silicone 62 is relatively sealed with different assembly bodies, thereby improving the sealing performance.
[0039] In another embodiment of this utility model, such as Figures 2-3 As shown, several third annular protrusions are provided on the inner wall of the positioning hole. The third annular protrusions abut against the bottom of the nozzle cover 61 to enhance the installation stability of the nozzle cover 61.
[0040] In another embodiment of this utility model, such as Figures 2-3 As shown, a bottom cover 11 is provided at the bottom of the outer casing 10, and the sensing device 70 is installed on the bottom cover 11 to facilitate the sensing device 70 to sense the airflow at the air intake end in real time.
[0041] In another embodiment of this utility model, such as Figure 3As shown, a gap is left between the battery cell 20 and the inner wall of the outer casing 10 to allow gas to pass through, which facilitates the flow of gas.
[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A center post-less electronic cigarette, characterized in that: The application relates to a heating device for a heating device, which comprises an outer shell, an electric core, a control device, a heating device, an oil storage device, a suction nozzle device and an induction device.
2. The center post-less electronic cigarette of claim 1, wherein: The heating device comprises a central pipe, a heating wire and non-woven fabric, the heating wire and the non-woven fabric are arranged in the central pipe, and the central pipe is communicated with the oil storage device and the air outlet channel.
3. The center post-less electronic cigarette of claim 1, wherein: The suction nozzle device comprises a suction nozzle cover and a suction nozzle silica gel, the suction nozzle silica gel is provided with an emptying hole and a positioning hole, the positioning hole is located at the central position of the suction nozzle silica gel, the suction nozzle cover is connected with one end of the outer shell, the suction nozzle cover is inserted into the positioning hole, and the emptying hole is communicated with the air outlet channel.
4. The center post-less e-cigarette of claim 3, wherein: The suction nozzle cover is concave downward to form an air passing groove, the inner side of the air passing groove is provided with a through hole connected with the emptying hole.
5. The center post-less electronic cigarette of claim 4, wherein: The bottom of the air passing groove is provided with a positioning column extending downward, and the positioning column is inserted into the positioning hole.
6. The center post-less electronic cigarette of claim 4, wherein: The bottom of the suction nozzle cover is provided with an annular transition groove communicated with the emptying hole and the air passing groove.
7. The center post-less electronic cigarette of claim 3, wherein: The outer side wall of the suction nozzle silica gel is provided with a plurality of first annular protrusions and a plurality of second annular protrusions, the first annular protrusions abut against the inner side wall of the outer shell, and the second annular protrusions abut against the inner side wall of the oil storage device.
8. The center post-less e-cigarette of claim 3, wherein: The inner side wall of the positioning hole is provided with a plurality of third annular protrusions, and the third annular protrusions abut against the bottom of the suction nozzle cover.
9. The center post-less e-cigarette of claim 1, wherein: The bottom of the outer shell is provided with a bottom cover, and the induction device is mounted on the bottom cover.
10. The center post-less e-cigarette of claim 1, wherein: The electric core and the inner side wall of the outer shell are left with a gap for gas passing.