CN215497305U

CN215497305U - Multifunctional charger

Info

Publication number: CN215497305U
Application number: CN202120830219.XU
Authority: CN
Inventors: 李纯滨; 詹盼盼
Original assignee: Shenzhen Leaderment Technology Co ltd
Current assignee: Shenzhen Leaderment Technology Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-01-11
Anticipated expiration: 2031-04-21

Abstract

The application relates to a multifunctional charger, which comprises a conversion plug, an AC elastic sheet and a connecting piece, wherein the conversion plug is arranged on a charger main body; the two AC elastic pieces are respectively matched with the two main pins; the AC elastic sheet is arranged at the connection part of the conversion plug and the charger main body, and the AC elastic sheet is used for enabling the pins of the main body to be electrically communicated with the pins of the conversion plug; the connecting piece sets up in the charger main part and the junction of changeover plug to charger main part and changeover plug pass through connecting piece detachable connection. This application has the effect that makes people be convenient for adopt the charger of suitable specification to charge under the emergent condition.

Description

Multifunctional charger

Technical Field

The application relates to the field of charging technology, in particular to a multifunctional charger.

Background

People can use the charger to charge for own cell-phone, treasured or electronic product charge often in daily life, and what we used often is the charger of taking type-c interface, and this kind of charger only need insert the plug pin into the socket earlier, then insert the charging wire in the type-c interface of charger, just can charge to electronic product this moment.

The charger comprises a charger main body and a main body pin, wherein two holding grooves are arranged on the end face of one end of the charger main body, the two holding grooves are parallel to each other and are arranged at intervals, the holding grooves are positioned at the edge of the end face, and the inner wall of one side, close to the edge, of the holding groove is opened; the main part is participated in and is provided with two, two main parts are participated in and are set up respectively in two holding tanks, main part is participated in one end and is articulated on the inner wall that the opening part was kept away from to the holding tank, the other end then goes into the holding tank around self with the articulated department of holding tank, then when will charging, alright make the main part participate in and change out the holding tank around self with the articulated department of holding tank, just then can participate in the socket that inserts the socket with the main part, in order to charge through the charger, and when not charging, participate in the back of extracting from the socket at the main part, can participate in the main part with rotating and make the main part participate in withdrawing the holding tank, thereby can be when the charger is not used, the charger is difficult for participating in because of damaging the main part of colliding with, help protecting the main part to participate in better.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that, because the charger belongs to a charger under the specifications of china or the united states, when people need to charge in emergency in other countries, the charger cannot be used, and people need to purchase other chargers of other specifications for charging, so that people are inconvenient to charge electronic devices.

SUMMERY OF THE UTILITY MODEL

In order to be convenient for people to charge electronic equipment through the charger of suitable specification under the emergency situation, this application provides a multi-functional charger.

The application provides a multi-functional charger adopts following technical scheme:

a multifunctional charger comprises a conversion plug, an AC elastic sheet and a connecting piece, wherein the conversion plug is arranged on a charger main body, and the conversion plug is fixedly arranged at one end, positioned on a main body pin, of the charger main body; the two AC elastic pieces are respectively matched with the two main body pins; the AC elastic sheet is arranged at the joint of the conversion plug and the charger main body, and the AC elastic sheet is used for enabling the pins of the main body to be electrically communicated with the pins of the conversion plug; the connecting piece sets up in the junction of charger main part and changeover plug to charger main part and changeover plug pass through connecting piece detachable connection.

Through adopting above-mentioned technical scheme, when people are on business trip or travel in the foreign country, if under emergency situation, people's accessible connecting piece installs changeover plug in the charger main part, then in alright insert the plug pin of changeover plug in the socket, then just can charge to electronic equipment on inserting the type-c interface of charger main part with the charging wire again, compare in the mode that needs purchase the charger that accords with local used specification in addition, this kind of design, then people are under emergency situation, can be convenient for charge to electronic equipment more, thereby be difficult for appearing the condition that important electronic equipment such as cell-phone does not have the electricity because of not having time to purchase the charger, and then be difficult for influencing people's daily life in the foreign country.

Preferably, the charger main body is provided with a T-shaped groove on the end face at one end of the main body pin, the inner wall of one side of the T-shaped groove is open, the notch area of the T-shaped groove is smaller than the groove bottom area, and the inner wall of the T-shaped groove is provided with an installation groove; the connecting piece comprises a T-shaped block, an inserting block and an elastic piece in an extension state, the T-shaped block is arranged in the T-shaped groove in a sliding mode, the T-shaped block is fixedly arranged at one end, close to the charger main body, of the conversion plug, the cross section area of one end, far away from the conversion plug, of the T-shaped block is larger than that of one end, close to the conversion plug, of the T-shaped block, and a clamping groove is formed in the T-shaped block; one end of the insertion block is slidably arranged in the mounting groove, the other end of the insertion block is slidably arranged in the clamping groove, and the sectional area of one end, close to the bottom of the clamping groove, of the insertion block is smaller than that of one end, far away from the bottom of the clamping groove, of the insertion block; one end of the elastic piece is fixedly connected with the inner wall of the mounting groove, the other end of the elastic piece is fixedly connected with one end, far away from the clamping groove, of the inserting block, and the elastic piece is used for enabling the inserting block to slide into the clamping groove.

Through adopting above-mentioned technical scheme, when will installing the changeover plug on charger main part, can make on the changeover plug T-shaped piece get into in the T-shaped groove from the opening part in T-shaped groove, and slide in along the extending direction in T-shaped groove, at this in-process, when the T-shaped piece is kept away from the one end that changeover plug one end butt inserted block kept away from the elastic component, the inserted block can receive the power towards the mounting groove direction, then the inserted block just can remove to the direction of mounting groove tank bottom, the elastic component can be compressed gradually this moment, treat that draw-in groove on the T-shaped piece is relative to the inserted block, the elastic component can be used in the inserted block with the elastic force of self, make the inserted block slide in the draw-in groove, thereby just make inserted block and T-shaped piece joint, and then reach the purpose that the changeover plug installed on charger main part, and when will dismantling, only need reverse slip T-shaped piece, make the inserted block break away from the draw-in groove can.

Preferably, the end part of the insertion block, which is far away from one end of the elastic piece, is in arc surface transition arrangement.

Through adopting above-mentioned technical scheme, when the in-process in T-shaped piece slided into the T-shaped groove, the T-shaped piece was kept away from changeover plug one end can the butt inserted block and is kept away from the one end of elastic component to can exert the power that removes to mounting groove tank bottom direction to the inserted block, so cambered surface transition sets up the mode, can make the T-shaped piece be difficult for being kept away from the tip fish tail of elastic component one end by the inserted block at the removal in-process, thereby difficult because of installing and removing changeover plug many times and the serious condition of T-shaped piece wearing and tearing appears.

Preferably, the T-shaped block is kept away from one end of the conversion plug and is provided with an inclined plane, the inclined plane is located at the edge of one end, away from the opening of the T-shaped groove, of the T-shaped block, and when the T-shaped block slides to the T-shaped groove and is away from one end of the opening, the inclined plane can abut against the outer surface of the part, close to the groove bottom, of the inserting block.

Through adopting above-mentioned technical scheme, because of the setting on inclined plane for the T-shaped piece slides to the T-shaped groove and keeps away from the in-process of opening part one end, the one end accessible inclined plane that the T-shaped piece kept away from T-shaped groove opening part will remove the power of in-process, better change into and keep away from elastic component one end to the inserted block and exert the power towards mounting groove tank bottom direction, thereby make the inserted block keep away from the one end of elastic component can remove to the direction of mounting groove tank bottom more smoothly, and then make the process of installation changeover plug more smooth.

Preferably, the T-shaped groove is located between the two main body pins, and the opening direction of the T-shaped groove is the same as the opening direction of the accommodating groove where the main body pins are located; one end of the conversion plug, which is close to the main body pin, is provided with a protective sleeve, the butting part of the AC elastic sheet and the main body pin is positioned in the protective sleeve, and the inner wall of one side of the protective sleeve is provided with a through hole for the main body pin to penetrate into the protective sleeve.

Through adopting above-mentioned technical scheme, on the one hand, the T-slot and two main parts are participated in between the position that sets up, can be so that changeover plug and charger main part's connection structure is compacter to can make changeover plug install behind the charger main part, the volume of whole charger is difficult too big, on the other hand, the setting of protective sheath, make the butt department that AC shell fragment participated in with the main part be difficult for receiving outside influence, thereby difficult influence electric current is participated in from changeover plug and is transmitted to the main part and participate in on, and then the normal charging of charger is difficult for influencing.

Preferably, a protection block is arranged between the two protection sleeves, two ends of the protection block are fixedly connected with two side surfaces of the protection sleeves, which are close to each other, respectively, and the protection block is also fixedly connected with one end, which is close to the main body pin, of the conversion plug.

Through adopting above-mentioned technical scheme, after change over plug installs in the charger main part, when receiving great external force, the protection piece can make protective sheath and change over plug's junction be difficult for appearing by a wide margin bending deformation to make the difficult emergence rupture of protective sheath and change over plug's junction, help promoting the connection stability between protective sheath and the change over plug.

Preferably, a portion of the AC elastic piece outside the conversion plug is U-shaped, and the portion is an abutting portion, wherein an outer side surface of an opening of the abutting portion, which is far away from one end of the conversion plug, abuts against the main body pin.

Through adopting above-mentioned technical scheme, then the butt is participated in with the main part to the AC shell fragment, and when making the main part participate in and participate in the electricity intercommunication on the changeover plug, the deformation that draws close each other can take place at the both ends of butt portion opening part, makes butt portion tightly the butt main part participate in, so when whole charger received external force, the AC shell fragment is difficult for breaking away from the main part and participates in to can promote the stability of participating in and the main part is participated in between electricity intercommunication of changeover plug.

Preferably, the abutting part is provided with an auxiliary part at the abutting part of the main pin, the auxiliary part is in a U-shaped bent shape, and one end of the opening of the auxiliary part is fixedly connected with one end of the opening of the abutting part, which is far away from the conversion plug; the distance between one end of the auxiliary part opening connected with the abutting part and one side of the abutting part close to the conversion plug is larger than the distance between the other end of the auxiliary part opening and one side of the abutting part close to the conversion plug.

Through adopting above-mentioned technical scheme, the deformation that draws close each other takes place at the both ends of butt portion opening part to when making AC shell fragment butt main part participate in, the setting of auxiliary portion can be so that butt portion opening part's both ends are difficult for taking place by a wide margin and draw close deformation, then can make butt portion U-shaped buckling department be difficult for taking place by the folded condition by a wide margin, so install and remove the back many times, the deformation reset capability of butt portion is difficult for being weakened, thereby install and remove the back many times, the AC shell fragment still can support the tight main part and participate in, and then help promoting the whole life of charger.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the changeover plug, the AC elastic sheet and the connecting piece, compared with a mode that a charger meeting the locally used specification needs to be purchased additionally, the design mode can facilitate charging of electronic equipment by people in an emergency situation, so that the situation that important electronic equipment such as a mobile phone is dead due to the fact that the charger is not purchased in time is not easy to occur, and further the daily life of people in foreign countries is not influenced;

2. the end part of the plug block, which is far away from one end of the elastic part, is in cambered surface transition arrangement, so that the T-shaped block is not easily scratched by the end part of the plug block, which is far away from one end of the elastic part, in the moving process, and the T-shaped block is not easily abraded seriously due to repeated assembly and disassembly of the conversion plug;

3. through the setting of protection piece, when receiving external force great, bending deformation by a wide margin is difficult for appearing in the junction of protective sheath and changeover plug to make the difficult emergence rupture of protective sheath and changeover plug's junction, help promoting the connection stability between protective sheath and the changeover plug.

Drawings

Fig. 1 is an exploded schematic view of a multifunctional charger in an embodiment of the present application.

Fig. 2 is a sectional structural view of the embodiment of the present application for showing a connection relationship between the conversion plug and the charger main body.

Fig. 3 is an exploded view of an embodiment of the present application for embodying a specific structure of an AC dome.

Description of reference numerals: 1. a charger main body; 11. accommodating grooves; 12. a main body pin; 13. a T-shaped slot; 2. a changeover plug; 3. an AC spring plate; 31. an abutting portion; 32. an auxiliary part; 4. a connecting member; 41. a T-shaped block; 411. a card slot; 42. inserting a block; 421. a plug-in part; 422. a barrier portion; 43. an elastic member; 5. mounting grooves; 51. a mounting cavity; 52. mounting holes; 6. an inclined surface; 7. a protective sleeve; 71. perforating; 8. a protection block; 9. a connecting seat.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a multifunctional charger. Referring to fig. 1, multi-functional charger includes charger main part 1, charger main part 1 is whole roughly to be the cuboid shape, it is concrete, two holding tanks 11 have been seted up on the wherein one end terminal surface of charger, two holding tanks 11 are parallel to each other and the interval sets up, and holding tank 11 is located the edge of terminal surface, and holding tank 11 is close to one side inner wall opening of terminal surface edge, in this embodiment, it participates in 12 still to articulate in holding tank 11, the one end that 12 was participated in to the main part articulates on holding tank 11 keeps away from the inner wall of opening one end, the other end then rotates the one end that business turn over holding tank 11 is close to the opening part around articulated department, make charger main part 1 be folding pin formula charger, this kind of charger belongs to the charger under china specification or the american specification, so people at domestic alright use this kind of charger to charge.

Referring to fig. 1, the charger main body 1 is provided with a conversion plug 2 at the position of the main body pin 12, in this embodiment, the conversion plug 2 is an euro-standard plug or a quartz-standard plug, and since the connection mode of the plugs of two specifications and the charger main body 1 is the same, the following description will be given only by taking the conversion plug 2 as the quartz-standard plug as an example, specifically, the charger main body 1 is provided with a T-shaped groove 13 between two accommodating grooves 11, the sectional area of the groove opening of the T-shaped groove 13 is smaller than that of the groove bottom, and the opening direction of one side inner wall of the T-shaped groove 13 is the same as that of the accommodating groove 11, and the section of the T-shaped groove 13 perpendicular to the length direction thereof is in an inverted T shape, thereby preparing a structural foundation for the subsequent connection between the conversion plug 2 and the charger main body 1.

Referring to fig. 1 and 2, the bottom of the T-shaped slot 13 is provided with a mounting slot 5, and the sectional area at the slot of the mounting slot 5 is larger than the sectional area at the bottom of the mounting slot 5, in this embodiment, the mounting slot 5 is formed by providing a hole on the casing of the charger main body 1, the internal structure of the casing of the charger main body 1 near the T-shaped slot 13 and the connecting socket 9 inside the charger main body 1 for mounting the main body pin 12, wherein the connecting socket 9 is concave at the portion near the T-shaped slot 13, the casing of the charger main body 1 and the structure of the connecting socket 9 at the portion near the T-shaped slot 13 are provided as a mounting cavity 51 forming the inside of the mounting slot 5, and the casing of the charger main body 1 is provided with a mounting hole 52 for communicating the mounting cavity 51 and the T-shaped slot 13 as a mounting hole 52 forming the slot of the mounting slot 5, and the portion of the mounting cavity 51 near the mounting hole 52 is larger than the size of the mounting hole 52, so that a disposition in which the notch of the mounting groove 5 is smaller than the groove bottom of the mounting groove 5 is formed.

Referring to fig. 1 and 2, in the present embodiment, an end surface of one end of the conversion plug 2, which is far away from the self pin, abuts on an end surface of the charger main body 1, which is located at one end of the main body pin 12, and a connecting member 4 is further disposed between the conversion plug 2 and the charger main body 1, specifically, the connecting member 4 includes a T-shaped block 41, an insertion block 42, and an elastic member 43, the T-shaped block 41 is integrally fixed on an end surface of one end of the conversion insertion block 42, which is close to the charger main body 1, and the T-shaped block 41 is further slidably disposed in a T-shaped groove, and a clamping groove 411, which is opposite to the mounting hole 52, is integrally formed on an end surface of one end of the T-shaped block 41, where the clamping groove 411 is parallel to openings on two inner walls of the length direction of the T-shaped block 41, so that the clamping groove 411 forms a through groove shape.

Referring to fig. 1 and 2, the plug 42 includes a plug portion 421 and a blocking portion 422, the plug portion 421 is integrally rectangular, one end of the plug portion 421 is slidably disposed in the mounting cavity 51, the other end of the plug portion is slidably disposed in the T-shaped groove 13, and one end of the plug portion 421 close to the T-shaped groove 13 is subjected to fillet treatment, so that a sectional area of one end of the plug portion 421 close to the T-shaped groove 13 is smaller than a sectional area of the other end, and one end of the plug portion 421 close to the T-shaped groove 13 is also in arc surface transition arrangement; the blocking part 422 is cylindrical, the blocking part 422 is integrally fixed on one end of the insertion part 421 in the installation cavity 51, and the blocking part 422 and the installation cavity 51 close to the installation hole 52 form a blocking part, so that the insertion block 42 is not easy to completely separate from the installation cavity 5 and slide into the T-shaped groove 13.

Referring to fig. 1 and 2, in this embodiment, the elastic member 43 is a spring, specifically, one end of the elastic member 43 is adhered to the inner wall of the mounting cavity 51 far from the mounting hole 52, and the other end is adhered to the barrier 422, when the conversion plug 2 is to be mounted, the T-shaped block 41 on the conversion plug 2 is aligned with the T-shaped slot 13, and then the T-shaped block 41 is pushed from the opening of the T-shaped slot 13 to the end of the T-shaped slot 13 far from the opening, in this process, the T-shaped block 41 abuts against the end of the insertion block 42 near one end of the T-shaped slot 13, and a force is applied to the insertion block 42 in the direction of the bottom of the mounting slot 5, so that the insertion block 42 moves in the direction of the bottom of the mounting slot 5, and the elastic member 43 is compressed, when the mounting hole 52 is opposite to the slot 411, the elastic member 43 extends and makes the insertion block 42 slide into the slot 411, and at this time, the insertion block 42 and the T-shaped block 41 are clamped together, so that the conversion plug 2 is mounted on the charger main body 1, and when the disassembly is needed, only a certain amount of force is applied to separate the T-shaped block 41 from the T-shaped groove 13.

Referring to fig. 1 and 2, the end of the T-shaped block 41 away from the conversion plug 2 is integrally provided with an inclined surface 6, the inclined surface 6 is located at the edge of the end of the T-shaped block 41 away from the opening of the T-shaped groove 13, and the inclined surface 6 faces the position of the mounting hole 52, in this embodiment, the inclined surface 6 is formed by chamfering, and when the T-block 41 is slid to an end of the T-shaped groove 13 away from the opening, the inclined surface 6 will abut against the end of the insertion block 42 near one end of the T-shaped slot 13, so the T-shaped block 41 will better apply the force towards the bottom of the installation slot 5 to the insertion block 42 when moving, so that the insert block 42 can move more smoothly towards the bottom of the mounting groove 5 to avoid the T-shaped block 41, the T-shaped block 41 cannot slide to a position away from the opening of the T-shaped groove 13 due to the plug 42 not moving in time, so that the conversion plug 2 can be installed more smoothly.

Referring to fig. 1 and 3, two AC elastic pieces 3 are further mounted on one end of the conversion plug 2 close to the charger main body 1, the two AC elastic pieces 3 are respectively disposed corresponding to the two main body pins 12, specifically, one end of the AC elastic piece 3 is fixedly connected to the pins of the conversion plug 2, the other end of the AC elastic piece extends out of the conversion plug 2, and the portion outside the conversion plug 2 is set as an abutting portion 31, in this embodiment, the abutting portion 31 is integrally U-shaped and bent, an opening direction of the abutting portion 31 is opposite to an opening direction of the T-shaped groove 13, and one end of the opening of the abutting portion 31 far away from the conversion plug 2 is further abutted to the main body pins 12, so that the main body pins 12 are electrically communicated with the pins of the conversion plug 2.

Referring to fig. 1 and 3, an auxiliary portion 32 is integrally fixed to an end of the opening of the abutting portion 31 away from the conversion plug 2, specifically, the auxiliary portion 32 is bent in a U shape, the opening of the auxiliary portion 32 faces perpendicular to the opening of the abutting portion 31, and the opening of the auxiliary portion 32 faces the conversion plug 2, in the present embodiment, the distance between the connection point of the auxiliary portion 32 and the abutting portion 31 and the side of the abutting portion 31 close to the conversion plug 2 is smaller than the distance between the other end of the opening of the auxiliary portion 32 and the side of the abutting portion 31 close to the conversion plug 2, the U-shaped bent portion of the abutting portion 31 is not easily bent when the AC resilient piece 3 abuts against the main body pin 12, so that the deformation resetting capability of the abutting portion 31 is not easily weakened after a plurality of times of assembly and disassembly, therefore, the service life of the AC elastic sheet 3 can be longer, and the service life of the whole charger can be longer.

Referring to fig. 1 and 3, two protective sleeves 7 are integrally and fixedly arranged on the end surface of the conversion plug 2 near one end of the main body pin 12, the two protective sleeves 7 are respectively matched with the two AC elastic pieces 3, and the two protective sleeves 7 are symmetrically arranged with respect to the T-block 41, in particular, the abutment 31 and the auxiliary portion 32 are in the inner circle of the protective sleeve 7, and the inner wall of the protective sleeve 7 where the abutting part 31 is opened faces is provided with a through hole 71 for the main body pin 12 to extend into, when the conversion plug 2 is installed on the charger main body 1, the protective sleeve 7 can cover the abutting part of the main body pin 12 and the AC elastic sheet 3, so that the abutting part of the AC elastic sheet 3 and the main body pin 12 is not easily affected by the outside, therefore, the current can be stably transmitted from the pins of the conversion plug 2 to the main body pins 12 through the AC elastic sheet 3, and the normal charging of the charger is not easily influenced by external factors.

Referring to fig. 1 and fig. 3, an organic whole is fixed with protection piece 8 between two protective sheaths 7, it is concrete, the both ends of protection piece 8 are respectively with the both sides fixed surface that protective sheath 7 is close to each other and be connected, and protection piece 8 still is close to the terminal surface fixed connection that 12 one end was participated in to the main part with changeover plug 2, and protection piece 8 is located one of self inclined plane 6 position is kept away from to T-shaped piece 41, then install on charger main part 1 when changeover plug 2, and when inserting the socket and charging, if the charger received great external force this moment, protection piece 8 can make protective sheath 7 and changeover plug 2's junction be difficult for appearing bending deformation by a wide margin, thereby make protective sheath 7 and changeover plug 2's junction be difficult for taking place the rupture, help promoting the joint strength between protective sheath 7 and the changeover plug 2.

The implementation principle of the multifunctional charger in the embodiment of the application is as follows: when the charger is abroad and in an emergency, the T-shaped block 41 on the conversion plug 2 is aligned with the T-shaped groove 13, and the T-shaped block 41 is pushed to the position, away from the opening of the T-shaped groove 13, of the T-shaped groove, in the process, the T-shaped block 41 applies a force towards the bottom direction of the mounting groove 5 to the plug block 42 through the inclined surface 6, the plug block 42 moves towards the bottom direction of the mounting groove 5, when the plug block 42 is opposite to the clamping groove 411, the elastic part 43 extends and enables the plug block 42 to slide into the clamping groove 411, the plug block 42 and the T-shaped block 41 are clamped together, so that the conversion plug 2 is mounted on the charger main body 1, and at the moment, people can charge the mobile phone or the electronic equipment through a new charger formed by the conversion plug 2 and the charger main body 1, so that the electronic equipment or the mobile phone can be charged more quickly under the condition that chargers with different specifications are used abroad, furthermore, the situation that the mobile phone or the electronic equipment is out of power due to the fact that the mobile phone or the electronic equipment cannot buy chargers with other specifications is not easy to happen.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A multifunctional charger is characterized in that: the charger comprises a conversion plug (2), an AC elastic sheet (3) and a connecting piece (4), wherein the conversion plug (2) is arranged on a charger main body (1), and the conversion plug (2) is fixedly arranged at one end, located on a main body pin (12), of the charger main body (1); the number of the AC elastic pieces (3) is two, and the two AC elastic pieces (3) are respectively matched with the two main pins (12); the AC elastic sheet (3) is arranged at the joint of the conversion plug (2) and the charger main body (1), and the AC elastic sheet (3) is used for enabling the main body pins (12) to be electrically communicated with the pins of the conversion plug (2); the connecting piece (4) is arranged at the connecting part of the charger main body (1) and the conversion plug (2), and the charger main body (1) and the conversion plug (2) are detachably connected through the connecting piece (4).

2. The multi-functional charger of claim 1, wherein: the charger main body (1) is provided with a T-shaped groove (13) on the end face of one end of a main body pin (12), the inner wall of one side of the T-shaped groove (13) is open, the notch area of the T-shaped groove (13) is smaller than the groove bottom area, and the inner wall of the T-shaped groove (13) is provided with a mounting groove (5); the connecting piece (4) comprises a T-shaped block (41) which is arranged in a T-shaped groove (13) in a sliding mode, an inserting block (42) and an elastic piece (43) in an extending state, the T-shaped block (41) is fixedly arranged at one end, close to the charger main body (1), of the conversion plug (2), the cross section area of one end, far away from the conversion plug (2), of the T-shaped block (41) is larger than that of one end, close to the conversion plug (2), of the T-shaped block, and a clamping groove (411) is further formed in the T-shaped block (41); one end of the insertion block (42) is arranged in the mounting groove (5) in a sliding mode, the other end of the insertion block is arranged in the clamping groove (411) in a sliding mode, and the sectional area of one end, close to the bottom of the clamping groove (411), of the insertion block (42) is smaller than that of one end, far away from the bottom of the clamping groove (411); elastic component (43) one end and the inner wall fixed connection of mounting groove (5), the one end fixed connection that draw-in groove (411) was kept away from with inserted block (42) to the other end to elastic component (43) are arranged in making inserted block (42) slide in draw-in groove (411).

3. The multi-functional charger of claim 2, wherein: the end part of the insertion block (42) far away from one end of the elastic piece (43) is in cambered surface transition arrangement.

4. The multi-functional charger of claim 2, wherein: t-shaped piece (41) keep away from converting plug (2) one end and be provided with inclined plane (6) to inclined plane (6) are located T-shaped piece (41) and keep away from the edge of T-shaped groove (13) opening one end, and at T-shaped piece (41) slip to T-shaped groove (13) keep away from the in-process of opening part one end, inclined plane (6) can be close to draw-in groove (411) tank bottom department partial surface butt with inserted block (42).

5. The multi-functional charger of claim 2, wherein: the T-shaped groove (13) is positioned between the two main body pins (12), and the opening direction of the T-shaped groove (13) is the same as that of the accommodating groove (11) where the main body pins (12) are positioned; one end of the conversion plug (2) close to the main pin (12) is provided with a protective sleeve (7), the butting part of the AC elastic sheet (3) and the main pin (12) is positioned in the protective sleeve (7), and the inner wall of one side of the protective sleeve (7) is provided with a through hole (71) for the main pin (12) to penetrate into the protective sleeve (7).

6. The multi-functional charger of claim 5, wherein: two be provided with protection piece (8) between protective sheath (7), the both ends of protection piece (8) respectively with protective sheath (7) both sides fixed surface that are close to each other be connected to protection piece (8) still are close to the one end fixed connection of main part participate in (12) with changeover plug (2).

7. The multi-functional charger of claim 1, wherein: the part of the AC elastic sheet (3) outside the conversion plug (2) is in a U-shaped bent shape, and the part is set as an abutting part (31), wherein the outer side surface of one end of the opening of the abutting part (31) far away from the conversion plug (2) abuts against the main pin (12).

8. The multi-functional charger of claim 7, wherein: an auxiliary part (32) is arranged at the abutting part of the abutting part (31) and the main pin (12), the auxiliary part (32) is in a U-shaped bent shape, and one end of the opening of the auxiliary part (32) is fixedly connected with one end of the opening of the abutting part (31) far away from the conversion plug (2); the distance between one end of the opening of the auxiliary part (32) connected with the abutting part (31) and one side of the abutting part (31) close to the conversion plug (2) is larger than the distance between the other end of the opening of the auxiliary part (32) and one side of the abutting part (31) close to the conversion plug (2).