CN222395072U

CN222395072U - Plug and charger

Info

Publication number: CN222395072U
Application number: CN202421110682.7U
Authority: CN
Inventors: 谢伟; 钱靖
Original assignee: Anker Innovations Co Ltd
Current assignee: Anker Innovations Co Ltd
Priority date: 2024-05-20
Filing date: 2024-05-20
Publication date: 2025-01-24
Anticipated expiration: 2034-05-20

Abstract

The application discloses a plug and a charger, wherein the plug comprises a main body, a first pin assembly and a second pin assembly, the first pin assembly is arranged on the main body and comprises a first pin, a clamping groove is formed in the first pin assembly, the second pin assembly is detachably connected with the first pin assembly, the second pin assembly comprises a shell, a second pin and a clamping piece, the second pin and the clamping piece are arranged on the shell, the second pin assembly is in a use state, and in the use state, the second pin assembly is in plug-in fit with the first pin assembly along a first direction, the clamping piece is clamped in the clamping groove, and the first pin is electrically connected with the second pin. The detachable second pin assembly is arranged, so that a user can conveniently realize conversion of different plugs, the overall size of the plug is reduced, meanwhile, the first pin assembly and the second pin assembly are connected with each other through the plurality of parts, and the connection strength between the first pin assembly and the second pin assembly is improved.

Description

Plug and charger

Technical Field

The application relates to the technical field of plugs, in particular to a plug and a charger.

Background

When people go out across the country, the situation that the carried electric equipment plug cannot be matched with a local socket often occurs, so that different plugs are needed to be used for solving the problem in order to meet the use scene of multi-country travel of users, and in the related art, a conversion plug is usually used for inserting pins needed by users into a target socket so as to achieve electricity taking between different pins and the socket. However, the conversion plug needs to integrate a plurality of pins, so that the whole volume of the product is large, and the product is inconvenient to carry.

Disclosure of utility model

The embodiment of the application provides a plug and a charger, which can facilitate a user to realize the conversion of different plugs, reduce the overall size of the plug and are convenient to carry out.

The embodiment of the application provides a plug, which comprises a main body, a first pin assembly and a second pin assembly, wherein the first pin assembly is arranged on the main body, the first pin assembly comprises a first pin, and a clamping groove is formed in the first pin assembly;

The second pin assembly is in a use state, and in the use state, the second pin assembly is in plug-in fit with the first pin assembly along the first direction, the clamping piece is clamped in the clamping groove, and the first pin is electrically connected with the second pin.

The detachable second pin assembly is arranged, so that the plug can be switched between the first pin and the second pin at any time, the universality of the plug is improved, the parts of the first pin assembly and the second pin assembly are connected, the connection comprises the plugging of the first pin assembly and the second pin assembly, the clamping of the clamping piece and the clamping groove, and the like, the connection strength between the first pin assembly and the second pin assembly is improved, namely the connection between the first pin assembly and the second pin assembly is firmer, and meanwhile, the second pin assembly can be detached from the first pin assembly, so that the plug is convenient to store, the whole size of the plug is reduced, and the outgoing carrying is convenient.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a plug according to an embodiment of the present application;

FIG. 2 is a schematic diagram illustrating a first cross-sectional structure of a second pin assembly according to an embodiment of the present application;

FIG. 3 is a schematic view of a first cross-section of a portion of a plug according to an embodiment of the present application;

FIG. 4 is a schematic diagram of an exploded view of a second pin assembly according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a second cross-sectional structure of a portion of a plug according to an embodiment of the present application;

FIG. 6 is a schematic diagram of a third cross-sectional structure of a portion of a plug according to an embodiment of the present application;

FIG. 7 is a schematic diagram showing a second cross-sectional structure of a second pin assembly according to an embodiment of the present application;

FIG. 8 is a schematic diagram illustrating a first cross-sectional configuration of a portion of a second pin assembly according to one embodiment of the present application;

Fig. 9 is a schematic diagram illustrating a second cross-sectional structure of a portion of a second pin assembly according to an embodiment of the present application.

Reference numerals:

1. A plug;

10. a main body;

20. A first pin assembly; 21, a first pin, 22, a clamping groove, 221, a first step structure, 23, a mounting seat, 24 and a cover body;

30. The second pin assembly, 31, the second pin, 32, the shell, 321, the jack, 33, the conductive piece, 331, the clamping part, 332, the contact part, 34, the clamping piece, 341, the first part, 342, the second part, 343, the guide groove, 344, the second step structure, 345, the clamping structure, 35, the pressing piece, 351, the linkage part, 36 and the elastic piece;

L1, a first direction, L2, a second direction, L3 and a third direction.

Detailed Description

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the following description will be made in detail with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the related art, pins in various different countries are integrated in the conversion plug of multi-country travel charger, so that the overall size of the plug is large, and the plug is inconvenient for users to carry about when going out.

In view of the above situation, referring to fig. 1-3, the present application proposes a plug 1, which includes a main body 10, a first pin assembly 20 and a second pin assembly 30, wherein the first pin assembly 20 is mounted on the main body 10, the first pin assembly 20 includes a first pin 21, the main body 10 and the first pin assembly 20 form a complete plug 1, the first pin 21 can be plugged into a socket to perform a power-taking operation, the second pin assembly 30 is detachably connected with the first pin assembly 20, and the second pin assembly 30 includes a housing 32 and a second pin 31 disposed on the housing 32. The first pins 21 and the second pins 31 are two different types of pins, for example, the first pins 21 are flat pins with smaller dimensions such as medium, american or Japanese, and the second pins 31 are pins with larger dimensions such as European and English.

When the first pin 21 is not matched with the socket, the second pin assembly 30 may be mounted on the first pin assembly 20, and the second pin assembly 30 is in the use state, and the second pin assembly 30 is in plug-in fit with the first pin assembly 20 along the first direction L1, so that the plug 1 is replaced by the second pin 31 from the first pin 21, and the first pin 21 is electrically connected with the second pin 31, so that the second pin 31 is inserted into the socket for power-taking operation, that is, the first direction L1 is the plug-in direction of the first pin assembly 20 and the second pin assembly 30.

As shown in fig. 4-6, the first pin assembly 20 is provided with a slot 22, the second pin assembly 30 further includes a clamping member 34, the clamping member 34 is disposed on the housing 32, and when the second pin assembly 30 is in a use state, the clamping member 34 is clamped in the slot 22, so as to fix the second pin assembly 30 on the first pin assembly 20.

It will be appreciated that when the second pin assembly 30 is in the use state, the first pin 21 is inserted into the insertion hole 321 on the housing 32, and meanwhile, the clamping member 34 on the housing 32 is clamped in the clamping groove 22, that is, the first pin assembly 20 and the second pin assembly 30 have connection relation with each other, and the connection includes the insertion of the first pin assembly 20 and the second pin assembly 30, the clamping of the clamping member 34 and the clamping groove 22, and the like, so that the connection strength between the two can be improved, that is, the connection between the first pin assembly 20 and the second pin assembly 30 is firmer.

As shown in fig. 3, the first pin assembly 20 includes a cover 24, the first pin 21 is disposed at the top of the cover 24, the location of the clamping slot 22 and the clamping member 34 is not limited in this embodiment, for example, the clamping slot 22 may be disposed at the top of the cover 24, the clamping member 34 is disposed at one side of the housing 32 away from the second pin 31, or the clamping member 34 and the second pin 31 are respectively disposed at two adjacent sides of the housing 32, when the second pin assembly 30 is in use, the housing 32 contacts with the top of the cover 24, and meanwhile, the clamping member 34 enters the clamping slot 22 and is clamped with it, and, for example, the clamping slot 22 is disposed at a side of the cover 24, and the clamping member 34 is also disposed at a side of the housing 32, when the second pin assembly 30 is in use, the housing 32 contacts with the top of the cover 24, and the clamping member 34 can enter the clamping slot 22 and be clamped with it by elastic deformation or external force. In some alternative structures, the locking element 34 may also be disposed on the cover 24 of the first pin assembly 20, and the locking slot 22 is correspondingly disposed on the housing 32 of the second pin assembly 30.

Specifically, the second pin assembly 30 may include a plurality of second pins 31 in the plurality of second pin assemblies 30 are all different types of pins, and the user may carry different second pin assemblies 30 according to his own needs, so that the plug 1 may be suitable for more electric field scenarios. The specific connection manner between the first pin assembly 20 and the second pin assembly 30 is not limited in the embodiment of the present application, for example, the connection manner between the second pin assembly 30 and the first pin assembly 20 may include at least one of clamping, plugging, and magnetic attraction.

It should be noted that, in the embodiment of the present application, by providing the second pin assembly 30 that can be installed separately, the plug 1 can be switched between the first pin 21 and the second pin 31 at any time, so as to improve the universality of the plug 1, and meanwhile, the second pin assembly 30 can be detached from the first pin assembly 20, so as to facilitate the storage of the plug 1, thereby reducing the overall volume of the plug 1 and facilitating the carrying out.

Referring to fig. 1, in some embodiments of the present application, the first pin assembly 20 further includes a mounting base 23, the first pin 21 is disposed on the mounting base 23, the mounting base 23 is rotatably connected with the main body 10, the second pin assembly 30 is detachably connected with the mounting base 23, and when the second pin assembly 30 is in a use state, the mounting base 23 can drive the second pin assembly 30 to rotate relative to the main body 10.

Specifically, when the first pin 21 is used, the mounting seat 23 can be rotated according to the available space on the socket, so as to control the relative direction of the mounting seat 23 and the main body 10, and thus reduce the interference of the main body 10 on other plugs on the socket. The second pin assembly 30 is connected to the mounting base 23, so that the mounting base 23 drives the second pin assembly 30 to rotate when rotating. Wherein, can offer the mounting groove on the main part 10, mount pad 23 sets up in the mounting groove, and mount pad 23 rotates with the inside wall of mounting groove to be connected, and mount pad 23 can rotate for the inside wall of mounting groove, and the mounting groove provides setting basis and installation space for mount pad 23 to reduce the rotation of outside wire rod winding to mount pad 23 and produce the interference.

Referring to fig. 2-4, in some embodiments of the present application, the housing 32 is provided with a socket 321, and the first pin 21 forms a plugging fit with the socket 321, that is, the socket 321 is used for inserting the first pin 21.

Specifically, when the second pin assembly 30 is in the use state, the first pin 21 is inserted into the insertion hole 321, that is, a part of the first pin 21 enters the interior of the housing 32 from the insertion hole 321 and is electrically connected with the second pin 31 in the interior of the housing 32, and the housing 32 can provide protection for the electrically conductive connection between the first pin 21 and the second pin 31, so as to reduce the occurrence of electric leakage. The location of the insertion hole 321 is not specifically limited, for example, the insertion hole 321 may be located at a side of the housing 32 facing away from the second pin 31, and after the first pin 21 is inserted from the insertion hole 321, the orientation of the first pin 21 is the same as the orientation of the second pin 31, for example, the insertion hole 321 and the second pin 31 are located at two adjacent sides of the housing 32, respectively, and after the first pin 21 is inserted from the insertion hole 321, the orientation of the first pin 21 is perpendicular to the orientation of the second pin 31.

Further, referring to fig. 2-4, in some embodiments of the present application, the second pin assembly 30 further includes a conductive member 33, the conductive member 33 is disposed in the housing 32, and the conductive member 33 is in conductive contact with the second pin 31, and the conductive member 33 includes a clamping portion 331 disposed corresponding to the insertion hole 321.

Specifically, when the second pin assembly 30 is in the use state, the first pin 21 penetrates the insertion hole 321 and is clamped in the clamping portion 331, and it is easy to understand that the first pin 21 is clamped in the clamping portion 331, so that the shake of the first pin 21 can be reduced, and stable contact conduction between the first pin 21 and the second pin 31 can be ensured. The clamping portion 331 may include a conductive elastic piece, when the first pin 21 is inserted into the clamping portion 331 after passing through the insertion hole 321, the first pin 21 applies a force to the conductive elastic piece, and the conductive elastic piece deforms to clamp the first pin 21, so that the first pin 21 is in close contact with the conductive elastic piece, the possibility of loosening the first pin 21 is reduced, and the reliability of electrical connection is improved. As shown in fig. 4, the conductive member 33 may further include a contact portion 332 disposed at an angle with respect to the clamping portion 331, the contact portion 332 having a through hole through which an end portion of the second pin 31 may penetrate and be in conductive contact with the contact portion 332.

Illustratively, the end of the holding portion 331 near the insertion hole 321 is provided with a guiding slope, and during the process of inserting the first pin 21 into the holding portion 331, the end of the first pin 21 contacts the guiding slope, and then the end of the first pin 21 can slide along the guiding slope until entering the holding portion 331, and the guiding slope provides guiding for the first pin 21.

Referring to fig. 3-5, in some embodiments of the present application, in a second direction L2 forming an angle with the first direction L1, the first direction L1 is a plugging direction of the first pin assembly 20 and the second pin assembly 30, the clamping member 34 is movably connected with the housing 32 along the second direction L2, the second pin assembly 30 further includes a pressing member 35, the pressing member 35 is slidably connected with the housing 32 along a third direction L3, and the pressing member 35 is in linkage connection with the clamping member 34. The first direction L1, the second direction L2, and the third direction L3 may be disposed at an included angle, and for example, the first direction L1, the second direction L2, and the third direction L3 are perpendicular to each other.

Specifically, the user can apply a force along the third direction L3 to the pressing member 35 to control the movement of the clamping member 34, that is, the pressing member 35 is acted by an external force, the pressing member 35 slides along the third direction L3 relative to the housing 32, and the pressing member 35 drives the clamping member 34 to move along the second direction L2, so as to achieve the purpose of clamping or releasing the clamping between the clamping member 34 and the clamping groove 22. The pressing piece 35 may be connected to the clamping piece 34, so that the pressing piece 35 drives the clamping piece 34 to move, or the pressing piece 35 may also contact with the clamping piece 34 in an abutting manner, and apply an acting force to the clamping piece 34 through the pressing piece 35 to drive the clamping piece 34 to move.

As shown in fig. 5-6, the inner wall of the slot 22 is provided with a first step structure 221, the clamping member 34 is provided with a second step structure 344, when the second pin assembly 30 moves along the first direction L1, the second pin assembly 30 gradually approaches the first pin assembly 20, when the clamping member 34 is clamped with the slot 22, the second step structure 344 and the first step structure 221 are arranged along the first direction L1, and the second step structure 344 is buckled with the first step structure 221, when the clamping member 34 is released from the slot 22, the second step structure 344 is separated from the first step structure 221 along the direction perpendicular to the first direction L1, so that the second step structure 344 is separated from the second step structure 344, and at this time, the clamping member 34 can be separated from the slot 22, so that the first pin assembly 20 can exit the second pin assembly 30.

In some embodiments, as shown in fig. 3-4, the second pin assembly 30 may include two pressing members 35 and two locking members 34, where the pressing members 35 and the locking members 34 are in one-to-one linkage connection. When the first pin 21 is inserted into the jack 321, a user applies a force along the third direction L3 to the pressing pieces 35 on both sides of the housing 32, so that the pressing pieces 35 drive the clamping pieces 34 to slide along the second direction L2, and the clamping pieces 34 are clamped with the clamping grooves 22, and the second pin assembly 30 is in a use state.

Further, referring to fig. 7-8, in some embodiments of the application, the clamping member 34 includes a first portion 341 and a second portion 342 disposed opposite to each other, the first portion 341 and the second portion 342 are disposed independently of each other, and the first portion 341 and the second portion 342 are slidably connected to the housing 32 in the second direction L2.

The pressing piece 35 includes two connected linkage parts 351, the two linkage parts 351 are located at two opposite sides of the clamping piece 34 in the second direction L2, wherein the first portion 341 and the second portion 342 are located between the two linkage parts 351, and when the pressing piece 35 slides along the third direction L3 relative to the housing 32, the linkage parts 351 can drive the first portion 341 and the second portion 342 to approach each other or move away from each other along the second direction L2.

Further, as shown in fig. 5 to 8, each of the first portion 341 and the second portion 342 includes a locking structure 345, where the locking structure 345 is located on a side of the housing 32 facing the first pin assembly 20, when the first portion 341 and the second portion 342 are close to each other along the second direction L2, the locking structure 345 can be separated from the locking groove 22, and when the first portion 341 and the second portion 342 are far away from each other along the second direction L2, the locking structure 345 can be locked with the locking groove 22. Specifically, the second step structure 344 is located on the clamping structure 345, in the second direction L2, when the first portion 341 slides opposite to the second portion 342, the two clamping structures 345 on the first portion 341 and the second portion 342 are closer to each other, that is, the space between the two clamping structures 345 is reduced, the space occupied by the two clamping structures 345 is reduced, the first step structure 221 and the second step structure 344 are separated from contact, so that the clamping between the clamping structures 345 and the clamping groove 22 is released, the two clamping structures 345 can be inserted into or separated from the clamping groove 22 from the opening of the clamping groove 22, and then the first pin assembly 20 can be inserted into or withdrawn from the second pin assembly 30, and when the first portion 341 slides opposite to the second portion 342, the space between the two clamping structures 345 on the first portion 341 and the second portion 342 is increased, that is, the space occupied by the two clamping structures 345 is increased, and the second step structure 345 on the clamping structure 345 can be inserted into or separated from the clamping groove 22 of the clamping groove 22, so that the first pin assembly 20 can be inserted into or withdrawn from the second pin assembly 30.

In some embodiments, the pressing member 35 may include two pressing portions, where the two pressing portions are respectively connected to the corresponding linkage portions 351, each pressing portion may drive one linkage portion 351 to slide, and in addition, a return spring may be disposed between the pressing portion and the corresponding linkage portion 351, and when the pressing portion is released, the linkage portion 351 may return under the action of the return spring.

Or as shown in fig. 7 to 8, the pressing member 35 may further include only one pressing portion, and the two linking portions 351 are respectively disposed at two ends of the pressing portion, so that the pressing portion drives the two linking portions 351 to slide synchronously by applying a force along the third direction L3 to the pressing portion, and a specific sliding manner is described in detail below.

Referring to fig. 7-9, in some embodiments of the present application, a guiding groove 343 is formed on a side of the first portion 341 away from the second portion 342, a guiding groove 343 is also formed on a side of the second portion 342 away from the first portion 341, when the second pin assembly 30 is in a use state, the linkage portion 351 is inserted into the guiding groove 343 corresponding to the second pin assembly, when the pressing member 35 is forced, the pressing member 35 slides relative to the housing 32, and the linkage portion 351 is separated from the guiding groove 343 corresponding to the pressing member and abuts against a sidewall of the first portion 341 or the second portion 342 corresponding to the linkage portion 351.

As shown in fig. 8-9, the first portion 341 and the second portion 342 are disposed at intervals along the second direction L2, and the first portion 341 and the second portion 342 may slide along the second direction L2, and the linkage 351 slides along the sidewalls of the first portion 341 and the second portion 342, that is, the linkage 351 may slide along the third direction L3, and the third direction L3 is perpendicular to the second direction L2. When the first pin assembly 20 is in an insertion fit with the second pin assembly 30 to enable the second pin assembly 30 to be in a use state, the two linkage parts 351 are inserted into the corresponding guide grooves 343, one linkage part 351 is clamped with the grooves of the first part 341, the other linkage part 351 is clamped with the grooves of the second part 342, at the moment, the distance between the first part 341 and the second part 342 is a, the grooves can be concavely formed from the side wall of the first part 341 or concavely formed from the side wall of the second part 342, the grooves can be provided with inclined groove walls, when the first pin assembly 20 is required to be installed in the second pin assembly 30 or withdrawn from the second pin assembly 30, external force is applied to the pressing piece 35 along the third direction L3, and the linkage part 351 slides to the outside of the guide grooves 343 from the groove bottom wall of the corresponding guide grooves 343 until the linkage part 351 slides out of the grooves of the first part 341 or the grooves of the second part 342 corresponding to the side wall of the first part 341 or the side wall of the second part 342, namely, the linkage part 351 drives the first part 342 and the second part 342 to slide to the distance between the first part 341 and the second part 342 a, the second part 342. It will be appreciated that taking the depth of the guide groove 343 as c as an example, the linkage 351 slides out of the guide groove 343, that is, the first portion 341 and the second portion 342 slide along the second direction L2 by a distance c, so the distance relationship between the first portion 341 and the second portion 342 satisfies b=a-2 c.

Illustratively, the groove sidewall of the guide groove 343 has a first inclined surface along which the linkage part 351 can enter and exit the guide groove 343 during the sliding of the linkage part 351, the first inclined surface providing a guiding function for the entrance and exit of the linkage part 351.

Still further, referring to fig. 7-9, in some embodiments of the present application, the second pin assembly 30 further includes an elastic member 36, wherein the elastic member 36 is disposed between the first portion 341 and the second portion 342, and the elastic member 36 is used for resetting the first portion 341 and the second portion 342.

Specifically, when the first portion 341 and the second portion 342 slide towards each other, the distance between the first portion 341 and the second portion 342 is reduced, the first portion 341 and the second portion 342 compress the elastic member 36, and the clamping structure 345 contacts and clamps the clamping groove 22, and when the clamping structure 345 completely enters the clamping groove 22 or completely leaves the clamping groove 22, the external force on the pressing member 35 disappears, the elastic force of the elastic member 36 makes the first portion 341 and the second portion 342 slide away from each other, the distance between the first portion 341 and the second portion 342 is increased, and the linkage 351 slides into the guiding groove 343 along the first inclined plane, and at this time, the first portion 341 and the second portion 342 are reset under the action of the elastic member 36. Wherein the elastic member 36 may be a spring.

In a second aspect, embodiments of the present application further provide a charger comprising an electrical interface, a conductive wire, and a plug 1 as described in any of the above embodiments, the electrical interface and the plug 1 being connected at opposite ends of the conductive wire. The specific structure of the charger refers to the above embodiments, and because the charger adopts all the technical schemes of all the embodiments, the charger has at least all the beneficial effects brought by the technical schemes of the embodiments, and will not be described in detail herein.

In the description of the present application, it should be understood that, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not intended to indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limiting the present application, and that the specific meaning of the terms described above should be understood by those of ordinary skill in the art according to specific circumstances.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims

1. A plug, comprising:

main body;

A first pin assembly is installed on the main body, wherein the first pin assembly includes a first pin, and the first pin assembly is provided with a slot;

A second pin assembly is detachably connected to the first pin assembly, and the second pin assembly comprises a housing, a second pin and a clamping member, and the second pin and the clamping member are both arranged on the housing;

The second pin assembly has a use state, in which the second pin assembly is plugged and matched with the first pin assembly along a first direction, and the clamping member is clamped in the clamping slot, and the first pin is electrically connected to the second pin.

2. The plug according to claim 1, characterized in that the clamping member is movably connected to the housing along a second direction; the second pin assembly further comprises:

A pressing member is slidably connected to the housing along a third direction, and the pressing member is linked to the clamping member. When the pressing member slides relative to the housing along the third direction, the pressing member drives the clamping member to move along the second direction, so that the clamping member is clamped or released from the clamping slot;

Wherein, the first direction, the second direction and the third direction are arranged at an angle to each other.

3. The plug according to claim 2, characterized in that the clamping member comprises a first portion and a second portion which are arranged opposite to each other, and the first portion and the second portion are both slidably connected to the housing along the second direction; the pressing member comprises two linkage parts, and the two linkage parts are located at opposite sides of the clamping member;

The first part and the second part are located between the two linkage parts, and when the pressing member slides relative to the housing along the third direction, the linkage part drives the first part and the second part to move toward each other or away from each other along the second direction.

4. The plug according to claim 3, wherein the first portion and the second portion both comprise a snap-fit structure, and the snap-fit structure is located on a side of the housing facing the first pin assembly;

When the first part and the second part move toward each other along the second direction, the clamping structure can be separated from the clamping slot; when the first part and the second part move away from each other along the second direction, the clamping structure can be clamped with the clamping slot.

5. The plug according to claim 3 is characterized in that a guide groove is provided on a side of the first part away from the second part, and a guide groove is also provided on a side of the second part away from the first part, and in the use state, the linkage part is inserted into the corresponding guide groove; when force is applied to the pressing part, the linkage part is disengaged from the corresponding guide groove and abuts against the side wall of the first part or the second part corresponding to it.

6. The plug according to claim 3, wherein the second pin assembly further comprises:

An elastic member is disposed between the first portion and the second portion, and is used for resetting the first portion and the second portion.

7. The plug according to claim 1 is characterized in that the shell is provided with a socket, and in the use state, the first pin and the socket form the plug-in fit.

8. The plug according to claim 7, wherein the second pin assembly further comprises a conductive member, the conductive member is disposed on the housing, the conductive member is in conductive contact with the second pin, and the conductive member comprises a clamping portion disposed corresponding to the socket;

In the use state, the first plug pin passes through the plug hole and is clamped in the clamping portion.

9. The plug according to claim 1, characterized in that the first pin assembly further comprises a mounting seat, the first pin is disposed on the mounting seat, and the mounting seat is rotatably connected to the main body;

Wherein, the second pin assembly is detachably connected to the mounting seat, and in the use state, the mounting seat can drive the second pin assembly to rotate relative to the main body.

10. A charger, comprising an electrical interface, a conductive wire, and a plug as claimed in any one of claims 1 to 9, wherein the electrical interface and the plug are connected to opposite ends of the conductive wire.