Power adapter with replaceable plug

Abstract

The utility model belongs to the technical field of electronic equipment, and particularly relates to a power adapter with a replaceable plug, which comprises a plug body and a power adapter body which are detachably connected. Wherein a thread structure is arranged on the plug body, a plug is arranged on the plug body on the side far away from the thread structure, and plugs of different specifications are arranged on different plug bodies; the power adapter body adopts a shell structure, the shell structure is provided with a through hole matched with the thread structure, one side of the through hole is provided with a metal elastic sheet, and the metal elastic sheet is arranged at the center of the through hole far away from the side of the plug body. According to the utility model, random replacement of power adapter plugs of different specifications is realized through the plug body and the power adapter body which are detachably connected; the plug body and the power adapter body are connected through a plurality of circles of rotatable threads, so that the requirement of multi-specification power adapter plugs can be met by only one power adapter body.

Description

Technical Field

[0001] The utility model belongs to the technical field of electronic devices, and particularly relates to a power adapter with a replaceable plug. Background Art

[0002] The statements in this part only provide background technical information related to the utility model, and do not necessarily constitute prior art.

[0003] A power adapter is a power supply conversion device for small portable electronic devices and electronic appliances. Generally, it consists of components such as a housing, a transformer, an inductor, a capacitor, a control integrated circuit, and a circuit board. The working principle of the power adapter is to convert the input alternating current into direct current output, and it is widely used in small electronic products such as mobile phones, liquid crystal displays, and laptop computers.

[0004] Currently, the housing of the power adapter generally uses a screw fastening method to connect the front shell and the bottom shell, and a few power adapters use an ultrasonic method to realize the combined connection of the front shell and the bottom shell. However, the existing power adapters are generally only suitable for one specification of power socket, with poor versatility, and at the same time, it is difficult to ensure the reliability of charging. Summary of the Utility Model

[0005] To solve the above problems, the utility model proposes a power adapter with a replaceable plug, which realizes the random replacement of plugs of different specifications of power adapters through the detachable connection between the plug body and the power adapter body; among them, a multi-turn rotatable thread connection is adopted between the plug body and the power adapter body, so that the requirement of plugs of multiple specifications of power adapters can be realized with only one power adapter body.

[0006] According to some embodiments, the solution of the utility model provides a power adapter with a replaceable plug, and adopts the following technical scheme:

[0007] A power adapter with a replaceable plug includes a detachable plug body and a power adapter body; wherein, a thread structure is arranged on the plug body, and a plug is arranged on the plug body away from the thread structure side; the power adapter body adopts a housing structure with an internal circuit board, a through hole matching the thread structure is arranged on the housing structure, a metal elastic sheet electrically connected to the circuit board is arranged on one side of the through hole, and the metal elastic sheet is in contact connection with the plug body.

[0008] As a further technical limitation, one side of the plug body provided with the thread structure is cylindrical and matches the size of the through hole.

[0009] As a further technical limitation, several annular structures coaxial with the threaded structure are arranged inside the threaded structure of the plug body.

[0010] Furthermore, the annular structure is electrically connected to the plug, and the metal elastic sheet is in contact connection with the annular structure.

[0011] As a further technical limitation, plugs with different specifications are arranged on different plug bodies.

[0012] As a further technical limitation, the metal elastic sheet is electrically connected to the inside of the power adapter body.

[0013] As a further technical limitation, a charging interface is arranged on the housing structure.

[0014] Furthermore, a metal connecting sheet electrically connected to the metal elastic sheet is arranged inside the housing structure.

[0015] Furthermore, the charging interface is electrically connected to the metal connecting sheet through the circuit board.

[0016] As a further technical limitation, internal threads matching the threaded structure are arranged inside the through hole.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] The present utility model realizes the random replacement of power adapter plugs with different specifications through the detachable connection between the plug body and the power adapter body. Among them, a multi-turn rotatable threaded connection is adopted between the plug body and the power adapter body to meet the requirement of power adapter plugs with multiple specifications with only one power adapter body. An elastic elastic sheet is arranged inside the power adapter body to realize the reliable electrical connection between the plug body and the power adapter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings forming a part of this specification are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0020] Figure 1 is an exploded structural schematic diagram of a power adapter with a replaceable plug in an embodiment of the present utility model;

[0021] Figure 2 is a structural schematic diagram of plug bodies with different specifications in an embodiment of the present utility model; among them, Figure 2 in (a) is a US standard replaceable plug, Figure 2 in (b) is an Indian standard replaceable plug, Figure 2Among them, (c) is a European standard replaceable plug, Figure 2 and (d) among them is an Australian standard replaceable plug, Figure 2 and (e) among them is a British standard replaceable plug;

[0022] Figure 3 is a schematic structural diagram of the power adapter body in the embodiment of the present utility model;

[0023] Among them, 1 is the plug body; 11 is the thread structure; 12 is the plug; 13 is the circular ring structure; 2 is the power adapter body; 21 is the through hole; 22 is the metal elastic sheet; 23 is the charging interface; 24 is the metal connecting sheet; 25 is the internal thread; 26 is the main body face cover; 27 is the connecting wire; 28 is the circuit board. Detailed implementation manners

[0024] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0025] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further descriptions of the present utility model. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs.

[0026] It should be noted that the terms used herein are only for describing specific implementation manners and are not intended to limit the exemplary implementation manners of the present utility model. As used herein, unless otherwise clearly specified in the context, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "include" and / or "comprise" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0027] In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only relationship terms determined for the convenience of describing the structural relationship of each component or element of the present utility model and do not specifically refer to any component or element of the present utility model and should not be construed as a limitation to the present utility model.

[0028] In the present utility model, terms such as "fixed connection", "connected", "connected" should be understood in a broad sense, indicating that it can be a fixed connection, an integral connection or a detachable connection; it can be directly connected or indirectly connected through an intermediate medium. For relevant scientific research or technical personnel in this field, the specific meanings of the above terms in the present utility model can be determined according to specific circumstances and should not be construed as a limitation to the present utility model.

[0029] Embodiment

[0030] An embodiment of the utility model introduces a power adapter with a replaceable plug.

[0031] As Figure 1 shown, a power adapter with a replaceable plug adopts a detachable connection structure, including a plug body 1 and a power adapter body 2.

[0032] As Figure 2 shown, different specifications of the plug body 1 include a threaded structure 11, a plug 12, and a cylindrical structure 13; among them, the structural differences between different specifications of the plug body 1 only lie in the structural settings of the plug 12. Specifically, the plug body 1 is provided with a threaded structure 11, and the threaded structure 11 is provided with an external thread; one side of the plug body 1 provided with the threaded structure 11 is cylindrical; a plug 12 is provided on the plug body 1 away from the threaded structure 11, and different specifications of plugs 12 are provided on different plug bodies 1.

[0033] It should be noted that several annular structures 13 coaxial with the threaded structure 11 are provided inside the threaded structure 11 of the plug body 1, and the annular structure 13 is electrically connected to the plug 12.

[0034] It should be noted that the annular structure 13 is made of a non-insulating material to ensure that the annular structure 13 has good electrical conductivity.

[0035] It should be noted that the sizes of the threaded structures 11 in different specifications of the plug body 1 are the same to facilitate the detachable connection with the power adapter body 2.

[0036] In Figure 2 , Figure 2 (a) in it is a US standard replaceable plug, Figure 2 (b) in it is an Indian standard replaceable plug, Figure 2 (c) in it is a European standard replaceable plug, Figure 2 (d) in it is an Australian standard replaceable plug, Figure 2 (e) in it is a British standard replaceable plug.

[0037] As Figure 1 and Figure 3The power adapter body 2 shown includes a through hole 21, a metal elastic sheet 22, a charging interface 23, a metal connecting sheet 24, an internal thread 25, a main body face cover 26, a connecting wire 27, and a circuit board 28. Specifically, the power adapter body 2 adopts a shell structure. A main body face cover 26 is provided on the shell structure. A circuit board 28 is provided inside the main body face cover 26. A through hole 21 matching the thread structure 11 in the plug body 1 is provided on the shell structure. A metal elastic sheet 22 is provided on one side of the through hole 21. Among them, the metal elastic sheet 22 is arranged at the center of the through hole 21 on the side far from the plug body 1. And when the power adapter body 2 is connected to the plug body 1, the metal elastic sheet 22 is clamped inside the circular ring structure 13 to achieve a contact connection with the circular ring structure 13; the size of the through hole 21 matches the thread structure 11.

[0038] It should be noted that the metal elastic sheet 22, the charging interface 23, the metal connecting sheet 24, and the connecting wire 27 are all provided on the circuit board 28; on the circuit board 28, the charging interface 23 is electrically connected to the metal connecting sheet 24 through the connecting wire 27, and the metal connecting sheet 24 is electrically connected to the metal elastic sheet 22. It should be noted that the elastic sheet 22 not only has an electrical connection function but also has an elastic deformation function to ensure stable contact during assembly or when worn during long-term use and ensure the reliability of the electrical connection.

[0039] A charging interface 23 is also provided on the power adapter body 2 in this embodiment so that the power adapter can be connected to the device to be charged to achieve the charging of the device to be charged.

[0040] In this embodiment, an internal thread 25 matching the external thread on the thread structure 11 is provided inside the through hole 21.

[0041] In this embodiment, the plug body and the power adapter body are detachably connected to achieve the random replacement of power adapter plugs of different specifications; among them, a multi-turn rotatable thread connection is adopted between the plug body and the power adapter body to achieve the requirement of power adapter plugs of multiple specifications with only one power adapter body; an elastic sheet is provided inside the power adapter body to achieve the reliable electrical connection between the plug body and the power adapter body.

[0042] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

[0043] Although the specific implementation manners of the present utility model have been described in conjunction with the accompanying drawings, it is not a limitation on the protection scope of the present utility model. Those skilled in the art should understand that various modifications or deformations that can be made without creative efforts on the basis of the technical solution of the present utility model are still within the protection scope of the present utility model.

Claims

1. A power adapter with a replaceable plug, characterized in that, It includes a plug body and a power adapter body that are detachably connected; wherein, a threaded structure is provided on the plug body, and a plug is provided on the plug body away from the side of the threaded structure; the power adapter body adopts a housing structure with an internal circuit board, a through hole matching the threaded structure is provided on the housing structure, a metal elastic sheet electrically connected to the circuit board is provided on one side of the through hole, and the metal elastic sheet is in contact connection with the plug body; a plurality of annular structures coaxial with the threaded structure are provided inside the threaded structure of the plug body; the annular structures are electrically connected to the plug, and the metal elastic sheet is in contact connection with the annular structures.

2. The power adapter with a replaceable plug as described in claim 1, characterized in that, One side of the plug body provided with the threaded structure is cylindrical and matches the size of the through hole.

3. The power adapter with a replaceable plug as described in claim 1, characterized in that, Different specifications of plugs are provided on different plug bodies.

4. The power adapter with a replaceable plug as described in claim 1, wherein The metal elastic sheet is electrically connected to the inside of the power adapter body.

5. The power adapter with a replaceable plug as described in claim 1, characterized in that A charging interface is provided on the housing structure.

6. The power adapter with a replaceable plug as described in claim 5, characterized in that, A metal connecting sheet electrically connected to the metal elastic sheet is provided inside the housing structure.

7. The power adapter with a replaceable plug as described in claim 6, characterized in that, The charging interface is electrically connected to the metal connecting sheet through the circuit board.

8. The power adapter with a replaceable plug as described in claim 1, characterized in that, Internal threads matching the threaded structure are provided inside the through hole.

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