Rotatable base and electronic cigarette charging structure

By designing a rotatable base structure, the problem of traditional rotating electronic structures being unable to rotate at large angles due to wire limitations is solved, achieving 360° rotational connection and electrical communication stability, suitable for electronic devices and robots that require large-angle rotation.

CN224670880UActive Publication Date: 2026-08-25HUIZHOU TONLY ELECTRONICS LTD
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Patent Information

Application Number
CN202521553463.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-23
Publication Date
2026-08-25
Estimated Expiration
2035-07-23

AI Technical Summary

Technical Problem

In traditional rotating electronic structures, the two rotating structures cannot achieve large-angle cyclic rotation due to wire limitations, which poses a risk of wire twisting and breakage.

Method used

Design a rotatable base structure, including a conductive structure between a first shell and a second shell, achieving electrical connection through the contact of a first electrical connection part and a second electrical connection part, and forming a receiving cavity at the end of the first shell away from the second shell, with an electrical output part communicating with the receiving cavity to electrically connect to an electronic device.

Benefits of technology

It achieves 360° rotation connection function, avoids cable limitations, ensures stable power connection, and is suitable for electronic devices, cameras, robot joints and other devices that require large-angle rotation, and has good application prospects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rotatable base and electronic cigarette charging structure relates to charging base technical field, wherein, rotatable base includes first shell part, second shell part and lead -through structure. Specifically, the first shell part rotation is installed in the second shell part, the lead -through structure includes first electric connection department and second electric connection department, first electric connection department with second electric connection department is established respectively on the opposite end of first shell part with second shell part, and first electric connection department with second electric connection department between contact and form electric connection, wherein, the first shell part is away from the one end of second shell part and is recessed to form and has the accommodation cavity, forms on first electric connection department and has the electric output part, the electric output part with the accommodation cavity is linked together, to be used for electric connection to be placed in the electronic equipment of accommodation cavity.
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Description

Technical Field

[0001] This utility model relates to the field of charging base technology, and in particular to a rotatable base and an electronic cigarette charging structure. Background Technology

[0002] In the current consumer electronics industry, many products require rotation functionality, such as cameras and robots. Traditional connections can only rotate at a certain angle, not 360 degrees, posing a risk of wire twisting and breakage. This patent primarily addresses a structural design for cyclic rotation between the upper and lower shells. Using this structure at the product's connection point allows for 360° rotational connection, eliminating limitations imposed by wiring. Utility Model Content

[0003] The main purpose of this invention is to propose a rotatable base and electronic cigarette charging structure, which aims to solve the problem that in traditional rotating electronic structures, the two rotating structures cannot achieve large-angle cyclic rotation due to the limitation of the wires.

[0004] To achieve the above objectives, the rotatable base proposed in this utility model includes:

[0005] A first shell portion and a second shell portion, wherein the first shell portion is rotatably mounted on the second shell portion; and...

[0006] The conductive structure includes a first electrical connection portion and a second electrical connection portion, which are respectively disposed on the opposite ends of the first housing portion and the second housing portion, and the first electrical connection portion and the second electrical connection portion are in contact to form an electrical connection.

[0007] The first housing portion has a recessed end away from the second housing portion to form a receiving cavity, and an electrical output portion is formed on the first electrical connection portion. The electrical output portion is connected to the receiving cavity for electrically connecting an electronic device placed in the receiving cavity.

[0008] This utility model also includes an electronic cigarette charging structure, the electronic cigarette charging structure including a rotatable base, the rotatable base including:

[0009] A first shell portion and a second shell portion, wherein the first shell portion is rotatably mounted on the second shell portion; and...

[0010] The conductive structure includes a first electrical connection portion and a second electrical connection portion, which are respectively disposed on the opposite ends of the first housing portion and the second housing portion, and the first electrical connection portion and the second electrical connection portion are in contact to form an electrical connection.

[0011] The first housing portion has a recessed end away from the second housing portion to form a receiving cavity, and an electrical output portion is formed on the first electrical connection portion. The electrical output portion is connected to the receiving cavity for electrically connecting an electronic device placed in the receiving cavity. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, 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 the structures shown in these drawings without creative effort.

[0013] Figure 1 A schematic diagram of the overall structure of an embodiment of the rotatable base provided by this utility model;

[0014] Figure 2 for Figure 1 Exploded view of the structures on the first shell section;

[0015] Figure 3 for Figure 1 Exploded view of the structures on the second shell section;

[0016] Figure 4 for Figure 1 The bottom structure of the rotatable base.

[0017] Explanation of icon numbers:

[0018] 100. Rotatable base; 1. First shell; 11. Receiving cavity; 12. Connecting hole; 13. Mounting hole; 2. Second shell; 21. Mounting column; 211. Threaded hole; 22. Through hole; 3. Recessed groove; 4. Conductive structure; 41. First electrical connection; 411. First circuit board; 4111. Electrical output; 4112. Assembly slot; 412. Mounting plate; 413. Contact spring; 4131. Abutment; 4132. External connection; 42. Second electrical connection; 421. Second circuit board; 4211. Input connection; 422. Conductive ring; 5. Clearance hole; 6. Screw structure.

[0019] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0021] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0022] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. "Multiple" refers to two or more. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0023] In the current consumer electronics industry, many products require rotation functionality, such as cameras and robots. Traditional connections can only rotate at a certain angle, not 360 degrees, posing a risk of wire twisting and breakage. This patent primarily addresses a structural design for cyclic rotation between the upper and lower shells. Using this structure at the product's connection point allows for 360° rotational connection, eliminating limitations imposed by wiring.

[0024] This invention proposes a rotatable base to solve the problem in traditional rotating electronic structures where large-angle cyclic rotation between two mutually rotating structures is not possible due to wire limitations.

[0025] Please see Figure 1 , Figure 2 and Figure 3In one embodiment of this utility model, the rotatable base 100 includes a first shell portion 1, a second shell portion 2, and a conductive structure 4. Specifically, the first shell portion 1 is rotatably mounted on the second shell portion 2; the conductive structure 4 includes a first electrical connection portion 41 and a second electrical connection portion 42, which are respectively disposed on opposite ends of the first shell portion 1 and the second shell portion 2, and are in contact to form an electrical connection; wherein, the end of the first shell portion 1 away from the second shell portion 2 is recessed to form a receiving cavity 11, and an electrical output portion 4111 is formed on the first electrical connection portion 41, which is connected to the receiving cavity 11 for electrically connecting an electronic device placed in the receiving cavity 11.

[0026] In the above embodiments, the first shell 1 and the second shell 2 are rotatably mounted. Specifically, the second shell 2 can be considered as the bottom structure of the entire base, and the first shell 1 is rotatably mounted on its upper end. In actual use, the first shell 1 can rotate at one end of the second shell 2. Furthermore, the first electrical connection 41 and the second electrical connection 42 are respectively mounted on corresponding ends of the first shell 1 and the second shell 2. The two electrical connections are connected by contact conduction, so even if the rotation of the first shell 1 at one end of the second shell 2 exceeds 360°, it will not affect the electrical connection between the first shell 1 and the second shell 2. Based on this, the above-mentioned rotating base structure in this solution is not only used for charging electronic devices, but also for structures such as cameras, electronic device brackets, or robot joints. Using this structure on such equipment structures that require large-angle rotation ensures that the mounting structures can rotate relative to each other without affecting the power supply effect of the end device, and has good application prospects.

[0027] For the purposes of this application, the rotatable base 100 described in the above embodiments can be specifically applied to the charging structure of an electronic cigarette. Based on the above structure, when charging the electronic cigarette, it can be placed in the receiving cavity 11 for fixation. The charging structure on the electronic cigarette can form an electrical conduction relationship with the electrical output, thereby enabling charging of the electronic cigarette. In specific use, the second electrical connection portion 42 on the second shell 2 can be connected to an external power socket or to the built-in power supply structure within the second shell 2, thereby replenishing the electronic cigarette's power.

[0028] It is conceivable that the aforementioned rotatable base 100 is not only applied to the structure of electronic cigarettes. On the upper shell and the accommodating cavity 11, it has a certain fixing effect. In actual use, the internal cavity shape of the accommodating cavity 11 can be set according to the specific external shape of the electrical components, so as to fix different electrical components, thereby allowing the entire rotatable base 100 to charge a variety of electrical components.

[0029] In one embodiment of this application, a mounting post 21 is provided on one end of the second shell portion 2; the bottom of the accommodating cavity 11 is provided with a mounting hole 13 corresponding to the mounting post 21, and one end of the mounting post 21 is located in the mounting hole 13 and extends into the accommodating cavity 11.

[0030] When the first shell 1 is actually installed onto the second shell 2, the mounting post 21 needs to be inserted into the mounting hole 13, so that at least one end of the mounting post 21 is located within the receiving cavity 11, thereby improving the installation stability between the first shell 1 and the second shell 2 to a certain extent. Specifically, the diameter of the mounting post 21 corresponds to that of the mounting hole 13, and the first shell 1 rotates about the mounting post 21 as an axis during rotation. To ensure the connection strength between the mounting post 21 and the second shell 2, the mounting post 21 and the second shell 2 are integrally formed.

[0031] In addition to the structures disclosed in the above embodiments, the rotational mounting structure of the first shell 1 on the second shell 2 can also be configured as a combination of an annular groove and an arc-shaped protrusion. Specifically, an annular groove structure can be provided on one end of the second shell 2, and an arc-shaped protrusion can be provided on one end of the first shell 1. One end of the arc-shaped protrusion is installed in the annular groove. When the first shell 1 rotates, the arc-shaped protrusion can slide in the annular groove, thus achieving the rotational mounting effect of the first shell 1 on the second shell 2.

[0032] To further ensure the installation stability of the first shell portion 1 on the second shell portion 2 and to prevent the mounting post 21 from detaching from the mounting hole 13, a limiting structure is provided at one end of the mounting post 21 located within the accommodating cavity 11. This limiting structure abuts against the edge of the mounting hole 13.

[0033] Specifically, the limiting structure is configured as a screw structure 6. A threaded hole 211 is provided at one end of the mounting post 21 located within the accommodating cavity 11, and the screw structure 6 is fixed to the threaded hole 211. It should be noted that the screw head of the screw structure 6 is larger than the direct size of the mounting hole 13, or a larger diameter washer structure is provided at the screw head position of the screw structure 6. This effectively prevents the mounting post 21 from separating from the mounting hole 13 after the screw structure 6 is installed, thereby ensuring a tight installation relationship between the first shell portion 1 and the second shell portion 2.

[0034] In addition, the limiting structure adopts the screw structure 6 mentioned above, which can play a good limiting role and is relatively simple and easy to implement. On the other hand, it can realize the quick separation of the first shell 1 and the second shell 2, and greatly improves the convenience when maintaining and replacing the internal structural components of the first shell 1 and the second shell 2.

[0035] The second housing 2 has a mounting post 21 at one end, and the first housing 1 is rotatably arranged around the mounting post 21. The second electrical connection part 42 includes a conductive ring 422, which is coaxially arranged with the mounting post 21. The first electrical connection part 41 includes a contact spring 413 electrically connected to the electrical output part 4111, and an abutment part 4131 is formed on the contact spring 413, which is in contact with the conductive ring 422.

[0036] like Figure 2 and Figure 3 As shown, the second electrical connection part 42 is configured as a conductive ring 422 made of metal material, and in the specific structural configuration, the conductive ring 422 and the mounting post 21 are arranged on the same axis. The contact spring 413 rotates with the first housing part 1 around the mounting post 21. During the rotation, the actual distance between the contact spring 413 and the mounting post 21 is equal at all points. Therefore, when the contact spring 413 rotates, the abutment part 4131 can always form a good contact and conductive relationship with the conductive ring 422, so as to realize the electrical connection during the rotation of the first housing part 1.

[0037] It is conceivable that the conductive ring 422 and the contact spring 413 are electrically conductive structures 4, so in order to ensure the conductivity between them, they are generally made of copper alloy metal. To avoid wear during the contact process between the conductive ring 422 and the contact spring 413, in actual production, it is preferable to apply a plating treatment, such as nickel plating, to the outside of the conductive ring 422 and the contact spring. This can maximize the contact strength between the metal contact surfaces without affecting the conductivity, thereby effectively improving the service life of the entire structure.

[0038] The contact spring 413 is specifically configured as a metal sheet structure, and the abutment portion 4131 is a protruding structure formed by bending the metal sheet structure. Since the thickness of the metal sheet is generally small, the abutment portion 4131 can have a certain elastic deformation effect after contacting the conductive ring 422. This allows the contact spring 413 and the conductive ring 422 to maintain a good contact effect.

[0039] Specifically, the second electrical connection part 42 further includes a second circuit board 421, which is mounted on one end of the second housing part 2 corresponding to the first housing part 1, and the conductive ring 422 is disposed on the second circuit board 421 and is electrically connected to the second circuit board 421.

[0040] The conductive ring 422 is specifically mounted on the second circuit board 421. The second circuit board 421 is integrated with various electrical components and can adjust and transmit electrical energy. The composition of the circuit board and its function in the circuit structure are common knowledge and will not be elaborated here. The conductive ring 422 is specifically electrically connected to the second circuit board 421. In actual installation, the second circuit board 421 can be connected to an external power supply structure to supply power, so that electrical energy can be transmitted to the connecting spring through the conductive ring 422.

[0041] like Figure 2 and Figure 3 As shown, in order to improve the connection effect and the stability of the conductive contact between the first electrical connection part 41 and the second electrical connection part 42, in this embodiment, multiple conductive rings 422 and contact springs 413 are provided. Specifically, the contact springs 413 and conductive rings 422 form a conductive group, and multiple conductive groups are provided.

[0042] In the actual structure, the diameters of the multiple conductive rings 422 are gradually increasing. Each conductive ring 422 is located at one end of the second housing 2 with the mounting post 21 as its center, and the spacing between adjacent conductive rings 422 is equal. Multiple contact springs 413 are evenly spaced and installed at one end of the first housing 1, corresponding to the multiple conductive rings 422. After the first housing 1 is installed on the second housing 2, the multiple contact springs 413 contact the multiple conductive rings 422 respectively. Because the multiple conductive rings 422 are coaxially arranged, good contact can be achieved when the first housing 1 and the second housing 2 rotate relative to each other. In this embodiment, multiple conductive groups are provided because there may be some installation error after the contact springs 413 and the conductive rings 422 are installed, and in some cases, the connecting springs and the conductive rings 422 may separate. To ensure the conductivity of the conductive group, multiple conductive sections are provided to maximize the conductivity of the electrical connection and the two electrical connections. This also reduces assembly difficulty and effectively improves the assembly efficiency of structural components during actual assembly.

[0043] In one embodiment of the present invention, the second housing portion 2 is provided with a through hole portion 22, and the second circuit board 421 is provided with an input connection portion 4211, wherein the input connection portion 4211 is at least partially exposed at the through hole portion 22.

[0044] like Figure 3 and Figure 4 As shown above, the second circuit board 421 can form a connection with an external power supply structure. Specifically, the input connection part 4211 is an external electrical connection structure on the second circuit board 421. To facilitate the connection between the input connection part 4211 and the external circuit structure, the through hole part 22 is provided corresponding to the input connection part 4211. In actual installation, a built-in power supply structure of a certain capacity can be provided inside the second housing part 2, and the output end of the power supply structure can be connected to the input connection part 4211, or a cable structure can be directly connected to the input connection part 4211 for connecting to an external power supply structure. Specifically, the power input structure can be selected and set according to the actual situation.

[0045] In one embodiment of the present invention, the first electrical connection part 41 further includes a first circuit board 411, which is mounted on one end of the first housing part 1 corresponding to the second housing part 2. The contact spring 413 is mounted on the first circuit board 411 and is electrically connected to the first circuit board 411. The electrical output part 4111 is disposed on the first circuit board 411 and is electrically connected to the first circuit board 411. The bottom of the accommodating cavity 11 is provided with a connection hole 12, and the electrical output part 4111 is disposed corresponding to the connection hole 12.

[0046] The first electrical connection portion 41 includes a first circuit board 411, on which the contact spring 413 is mounted. The abutment portion 4131 protrudes from one end face of the first circuit board 411 to form a conductive contact with the conductive ring 422. The electrical output portion 4111 is specifically disposed on one end face of the first circuit board 411 corresponding to the first housing portion 1. External electrical structures can be connected to the electrical output portion 4111 through the connection hole 12, thereby forming a conductive contact with the first circuit board 411. In actual connection, a wire structure can also be connected from the electrical output portion 4111 to connect to an external circuit.

[0047] It is conceivable that the mounting post 21 passes through the first housing 1, and the first circuit board 411 and the second circuit board 421 are both located between the ends of the first housing 1 and the second housing 2. Therefore, the first circuit board 411 and the second circuit board 421 are provided with clearance holes 5 corresponding to the mounting post 21 so that the mounting post 21 can pass through.

[0048] During installation, both the first circuit board 411 and the second circuit board 421 are secured using screws (not shown in the diagram). Figure 2 and Figure 3 As shown, each of the circuit boards is fixed to one end of the corresponding housing using at least three screws.

[0049] As the contact spring 413 described above may experience some wear during actual use, and considering that if the contact spring 413 is directly mounted on the first circuit board 411, then when the contact spring 413 needs to be replaced after a long period of use, the entire circuit board structure would need to be replaced. Therefore, in this embodiment, the mounting structure of the contact spring 413 and the first circuit board 411 are set as a separable structure. Specifically, the first circuit board 411 is provided with an assembly groove 4112, and the first electrical connection part 41 also includes a mounting plate part 412. The contact spring 413 is mounted on the mounting plate part 412, the mounting plate part 412 is mounted in the assembly groove 4112 and is electrically connected to the first circuit board 411, and the abutment part 4131 protrudes outward from the mounting plate part 412.

[0050] like Figure 2 As shown, the contact spring 413 is mounted on the mounting plate portion 412. The abutment portion 4131 is formed on one side of the mounting plate portion 412, and the other end of the contact spring 413 protrudes from the other side of the mounting plate to form an external connection portion 4132. During actual installation, the mounting plate portion 412 is installed in the assembly slot 4112. An adapter portion (not shown in the figure) that connects to the external connection portion 4132 is provided in the assembly slot 4112. Therefore, after the mounting plate portion 412 is placed inside the assembly slot 4112, the external connection portion 4132 and the adapter portion can be electrically connected together, thereby enabling electrical conductivity between the contact spring 413 and the first circuit board 411. With this structure, when the contact spring 413 needs to be replaced due to wear, only the mounting plate portion 412 structure needs to be replaced, thus improving the economic efficiency of later maintenance of the entire structure to a certain extent.

[0051] Furthermore, to further improve the service life of the entire electrical connection structure, multiple assembly slots 4112 and mounting plate portions 412 can be configured, all evenly spaced around the mounting column 21. Configuring multiple mounting plate portions 412 not only improves the conductivity between the first circuit board 411 and the second circuit board 421, reducing the probability of disconnection, but also extends the maintenance cycle of the entire structure to a certain extent.

[0052] In actual installation of the first circuit board 411 and the second circuit board 421, a recessed installation method is adopted. Specifically, the second electrical connection part 42 also includes the second circuit board 421, which is installed on one end of the second shell part 2 corresponding to the first shell part 1. The first shell part 1 and the second shell part 2 are each provided with a recessed groove 3, and the first circuit board 411 and the second circuit board 421 are respectively installed in the recessed groove 3.

[0053] The first shell portion 1 and the second shell portion 2 are attached to opposite ends.

[0054] As described above, the first circuit board 411 and the second circuit board 421 are installed using the recessed part 3. Firstly, this avoids the first electrical connection part 41 and the second electrical connection part 42 from being exposed, thus affecting the aesthetic appearance of the entire structure. Secondly, by adopting the above installation method, after the first shell part 1 is installed on the second shell part 2, one end of the first shell part 1 and one end of the second shell part 2 can be in contact as much as possible. During the rotation of the first shell part 1, the two ends are in contact with each other, which can improve its stability during rotation to a certain extent. In addition, it can also make the overall structure of the entire rotatable base 100 more compact.

[0055] This utility model also includes an electronic cigarette charging structure. The specific structure of the rotatable base 100 is as described in the above embodiments. Since the electronic cigarette charging structure adopts all the technical solutions of the rotatable base 100, the electronic cigarette charging structure also has all the beneficial effects of the above embodiments, which will not be repeated here.

[0056] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A rotatable base, characterized in that, include: A first shell portion and a second shell portion, wherein the first shell portion is rotatably mounted on the second shell portion; as well as, The conductive structure includes a first electrical connection portion and a second electrical connection portion, which are respectively disposed on the opposite ends of the first housing portion and the second housing portion, and the first electrical connection portion and the second electrical connection portion are in contact to form an electrical connection. The first housing portion has a recessed end away from the second housing portion to form a receiving cavity, and an electrical output portion is formed on the first electrical connection portion. The electrical output portion is connected to the receiving cavity for electrically connecting an electronic device placed in the receiving cavity.

2. The rotatable base as described in claim 1, characterized in that, A mounting post is provided at one end of the second housing portion; The bottom of the accommodating cavity is provided with a mounting hole corresponding to the mounting column, and one end of the mounting column is located in the mounting hole and extends into the accommodating cavity.

3. The rotatable base as described in claim 2, characterized in that, The mounting column has a limiting structure at one end located within the accommodating cavity, the limiting structure being used to abut against the edge of the mounting hole.

4. The rotatable base as described in claim 1, characterized in that, A mounting post is provided at one end of the second shell portion, and the first shell portion is rotatably arranged around the mounting post portion; The second electrical connection portion includes a conductive ring, which is coaxially arranged with the mounting post. The first electrical connection portion includes a contact spring that is electrically connected to the electrical output portion. The contact spring also has an abutment portion that makes contact with the conductive ring.

5. The rotatable base as described in claim 4, characterized in that, The second electrical connection portion further includes a second circuit board, which is mounted on one end of the second housing portion corresponding to the first housing portion, and the conductive ring is disposed on the second circuit board and electrically connected to the second circuit board; and / or, The contact spring and the conductive ring form a conductive group, and multiple conductive groups are provided.

6. The rotatable base as described in claim 5, characterized in that, The second housing portion is provided with a through hole portion, and the second circuit board is provided with an input connection portion, the input connection portion being at least partially exposed at the through hole portion.

7. The rotatable base as described in claim 4, characterized in that, The first electrical connection portion further includes a first circuit board, which is mounted on one end of the first housing portion corresponding to the second housing portion, and the contact spring is mounted on the first circuit board and electrically connected to the first circuit board; The electrical output section is disposed on the first circuit board and is electrically connected to the first circuit board. The bottom of the accommodating cavity is provided with a connection hole, and the electrical output section is disposed corresponding to the connection hole.

8. The rotatable base as described in claim 7, characterized in that, The first circuit board is provided with an assembly slot, and the first electrical connection part further includes a mounting plate part. The contact spring is mounted on the mounting plate part, the mounting plate part is installed in the assembly slot and is electrically connected to the first circuit board, and the abutment part protrudes outward from the mounting plate part.

9. The rotatable base as described in claim 7, characterized in that, The second electrical connection portion further includes a second circuit board, which is mounted on one end of the second housing portion corresponding to the first housing portion; Both the first housing portion and the second housing portion have a recessed groove at one corresponding end, and the first circuit board and the second circuit board are respectively installed in the recessed groove; and / or, The first shell portion and the second shell portion are attached to opposite ends.

10. An electronic cigarette charging structure, characterized in that, Includes the rotatable base as described in any one of claims 1-9.