CN111430983A

CN111430983A - Charger for multinational plug

Info

Publication number: CN111430983A
Application number: CN202010240147.3A
Authority: CN
Inventors: 林良冠; 李小龙
Original assignee: Dongguan Wontravael Electric Co Ltd
Current assignee: Dongguan Wontravael Electric Co Ltd
Priority date: 2019-09-05
Filing date: 2020-03-31
Publication date: 2020-07-17
Also published as: CN211508054U; WO2021042708A1

Abstract

The invention relates to the technical field of electrical equipment, and discloses a charger for a multinational plug, which comprises: the surface of the shell is provided with a notch; the circuit assembly is arranged in the shell; the first plug assembly is matched with the European-style socket and electrically connected with the circuit assembly, and is arranged in the shell in a sliding manner, and the shell is provided with a first jack; the ground wire pin is provided with a bending part and a straight part, the bending part is rotationally connected to the notch of the shell through a rotating shaft, the rotating shaft can drive the ground wire pin to rotate between a use position and a standby position, and the straight part is accommodated in the notch when the ground wire pin is at the standby position; when the ground pin is in the use position, the straight portion extends out of the notch. The invention can solve the problem that the ground wire pin can be inserted into the clamping hole of the charger only by a user needing to operate for multiple times in the prior art, so that the ground wire pin and the European pin assembly are matched into a British pin for use.

Description

Charger for multinational plug

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a charger for a multinational plug.

Background

At present, in real life, because the plug designs of electronic products are not identical, the design standards of different countries are different, and the electric appliances bought in different countries cannot be conveniently plugged into a power supply, the problem that mobile phones or other electronic equipment cannot be charged is caused, so that the life of people is greatly disturbed, particularly when people go out for a tour, the problem is particularly prominent, and the carrying of a conversion connector is particularly necessary.

The charger for the multinational plug in the existing market is provided with an European pin assembly and a ground pin, in order to enable the charger product to be more miniaturized so as to be convenient to carry, the European pin assembly and the ground pin are taken as two independent assemblies (the charger is provided with an accommodating cavity for the ground pin, the ground pin is arranged in the accommodating cavity, and the ground pin can be taken out from the accommodating cavity for use when the ground pin is required to be used), the charger is provided with a clamping hole for mounting the ground pin, when the European pin assembly is required to be converted into a British pin assembly for use, a user firstly pushes out the European pin assembly and then pulls out the ground pin from the accommodating cavity of the charger, and then the ground pin is inserted into the clamping hole arranged on the charger to form the British pin for use. However, the user needs to perform a plurality of operations to insert the ground pin into the card hole, so that the ground pin is engaged with the euro-pin assembly to form a english pin for use.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the invention provides a charger for a multinational plug, which solves the problem that a user can insert a ground wire pin into a clamping hole of the charger by multiple operations in the prior art, so that the matching of the wire pin and a European pin assembly is changed into an English pin for use.

In order to solve the above technical problem, the present invention provides a charger for a multinational plug, comprising:

the surface of the shell is provided with a notch;

a circuit assembly disposed within the housing;

the first plug assembly is matched with the European-style socket, is connected with the shell and is electrically connected with the circuit assembly;

the ground wire plug pin comprises a bending part and a straight part which are integrally formed, one end of the bending part is rotatably connected in the notch of the shell, and the other end of the bending part is connected with the straight part;

the ground wire pin can rotate between a use position and a standby position, and when the ground wire pin is located at the standby position, the bent part and the straight part are accommodated in the notch of the shell; when the ground pin is in the use position, the straight part extends out of the notch of the shell.

Optionally, the bent portion is rotatably connected in a notch of the housing through a rotating shaft, the notch of the housing is provided with a first limiting assembly and a second limiting assembly, the first limiting assembly and the second limiting assembly are respectively located at two opposite sides of the rotating shaft, and the bent portion is provided with a limiting groove matched with the first limiting assembly and the second limiting assembly;

when the ground wire pin is positioned at the standby position, the first limiting component is clamped in the limiting groove; when the ground wire pin is located at the using position, the second limiting component is clamped in the limiting groove.

Optionally, the first limiting assembly comprises two first limiting blocks adapted to the limiting grooves, and the second limiting assembly comprises two second limiting blocks adapted to the limiting grooves.

Optionally, the straight portion is provided with a first buckle position, the outer surface of the housing is provided with a second buckle position, and when the ground pin is located at the standby position, the first buckle position is connected with the second buckle position; when the ground pin is in the use position, the first buckle position is separated from the second buckle position.

Optionally, the casing includes inferior valve, epitheca and apron, apron fixed connection in the inferior valve is close to the one end of epitheca, the inferior valve with the epitheca all is equipped with the inner chamber, first plug subassembly is located the inner chamber of inferior valve, the notch is seted up the surface of inferior valve.

Optionally, the first plug assembly includes a first base, two first pins, two first push blocks and two first push rods, first guide grooves are respectively formed in two opposite sides of the lower shell, each first push rod is slidably connected to the first guide grooves, one end of each first push rod is connected to a side surface of the first base through a first elastic member, and the other end of each first push rod is connected to the corresponding first push block;

the two first pins are arranged on the first base at intervals, and the lower shell is provided with two first jacks allowing the first pins to pass through.

Optionally, the inner cavity of the lower shell is provided with two guide plates, and each first push rod is slidably connected to the corresponding guide plate.

Optionally, the second plug assembly includes a second base, a second push rod, a second push block and two second pins, the lower shell is provided with a second guide slot, the second push rod is slidably connected to the second guide slot, one end of the second push rod is connected to a side surface of the second base through a second elastic member, and the other end of the second push rod is connected to the second push block;

the two second pins are arranged on the second base at intervals, and the lower shell is provided with second jacks for allowing the second pins to pass through.

Optionally, the circuit assembly includes a PCB circuit board and two conductive sheets, the PCB circuit board is disposed in the inner cavity of the upper housing, one end of each conductive sheet is electrically connected to the PCB circuit board, and the other end of each conductive sheet passes through the cover plate and is disposed in the inner cavity of the lower housing;

two opposite sides of each conducting strip are respectively and electrically connected with each first pin and each second pin.

Optionally, the PCB is provided with a plurality of USB ports, and the lower housing is provided with a plurality of third insertion holes corresponding to the USB ports.

Compared with the prior art, the charger for the multinational plug provided by the embodiment of the invention has the beneficial effects that:

according to the charger for the multinational plug, when the first plug assembly needs to be converted into the English plug, a user firstly converts the first plug assembly from a standby position which is not in a use state into a use position which is in a use state, namely, the first plug assembly extends out of the shell from the inside of the shell, and then the straight part of the rotating shaft extends out of the notch; when the first plug assembly needs to be converted into the European-style plug, a user firstly converts the first plug assembly from a standby position which is not in a use state into a use position which is in a use state, namely, the first plug assembly extends out of the shell from the inside of the shell, and then the straight part of the rotating shaft is accommodated in the notch;

therefore, the ground wire pin is rotatably connected to the notch, the straight portion of the ground wire pin is contained in the notch or extends out of the notch, and the first plug assembly can be in the using state of the European-style plug or the using state of the British-style plug, so that the whole operation process has the advantages of simplicity, convenience and high appearance elegance, and certain popularization is achieved.

Drawings

Fig. 1 is a schematic structural view of a charger for a multinational plug according to an embodiment of the present invention, when a ground pin is in a use position.

Fig. 2 is a schematic structural view of a charger for a multinational plug according to an embodiment of the present invention, when a ground pin is in a standby position.

Fig. 3 is an exploded view of a charger for a multinational plug according to an embodiment of the present invention.

Fig. 4 is a schematic view of a part of a charger for a multi-country plug according to an embodiment of the present invention.

Fig. 5 is a schematic view of a part of the structure of the charger for a multi-country plug according to the embodiment of the present invention.

Fig. 6 is a first schematic view of a connection structure between a charger and a german standard socket for a multi-country plug according to an embodiment of the present invention.

Fig. 7 is a second schematic view of a connection structure between a charger and a german standard socket for a multi-country plug according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of the ground pin according to the embodiment of the present invention.

In the figure, 1, a housing; 11. an upper shell; 12. a lower case; 13. a cover plate; 2. a notch; 3. a circuit component; 31. a PCB circuit board; 32. a conductive sheet; 4. a first plug assembly; 41. a first base; 42. a first pin; 43. a first push block; 44. a first push rod; 5. a ground wire pin; 51. a straight portion; 52. a bending section; 6. a first limit component; 7. a second limiting component; 8. a limiting groove; 9. a rotating shaft; 10. a first buckle position; 20. a second fastener position; 30. a guide plate; 40. a second plug assembly; 401. a second base; 402. a second push rod; 403. a second push block; 404. a second pin; 50. a USB port; 60. a first guide groove; 70. a second guide groove; 80. a clamping groove.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 8, a preferred embodiment of the present invention provides a charger for a multi-country plug, including:

the device comprises a shell 1, wherein a notch 2 is formed in the surface of the shell 1;

the circuit component 3, the circuit component 3 locates in body 1;

the first plug assembly 4 is matched with the European-style socket, the first plug assembly 4 is connected with the shell 1, and the first plug assembly 4 is electrically connected with the circuit assembly 3;

the ground wire pin 5, the ground wire pin 5 includes the bending part 52 and the straight part 51 that are integrally formed, the bending part 52 is connected to the notch 2 of the body 1 rotatably, the ground wire pin 5 rotates between the use position and the standby position, when the ground wire pin 5 is in the standby position, the straight part 51 and the bending part 52 are accommodated in the notch 2; when the ground wire pin 5 is in the use position, the flat portion 51 protrudes out of the notch 2.

Based on the above arrangement, when the first plug assembly 4 needs to be converted into an english plug, the user first converts the first plug assembly 4 from the standby position not in the use state to the use position in the use state, that is, the first plug assembly 4 extends out of the housing 1 from the inside of the housing 1, and then the straight portion 51 of the rotating shaft extends out of the notch 2; when the first plug assembly 4 needs to be converted into a euro-style plug, a user firstly converts the first plug assembly 4 from a standby position which is not in a use state to a use position which is in a use state, namely, the first plug assembly 4 extends out of the shell 1 from the inside of the shell 1, and then the straight part 51 of the rotating shaft is accommodated in the notch 2;

therefore, the ground wire pin 5 is rotatably connected to the notch 2, the straight portion 51 of the ground wire pin 5 is contained in the notch 2 or extends out of the notch 2, and the first plug assembly 4 can be in the using state of an European plug or the using state of an English plug, so that the whole operation process has the advantages of simplicity and convenience, and the characteristics of exquisite and attractive appearance are achieved, and certain popularization is achieved.

In the present embodiment, as shown in fig. 1 to 8, when the ground wire pin 5 is in the standby position, the straight portion 51 and the bent portion 52 are accommodated in the notch 2; when the ground wire pin 5 is located at the use position, the straight portion 51 extends out of the notch 2, the bent portion 52 is partially disposed in the notch 2, and the bent portion is partially disposed outside the notch 2, so that the use space of the housing 1 can be better utilized.

In this embodiment, as shown in fig. 1 to 8, the housing 1 includes a lower housing 12, an upper housing 11 and a cover plate 13, the lower housing 12 and the upper housing 11 are both provided with inner cavities, the cover plate 13 is fixedly connected to one end of the lower housing 12 close to the upper housing 11, the first plug assembly 4 is arranged in the inner cavity of the lower housing 12, and the notch 2 is arranged on the surface of the lower housing 12, wherein the inner cavity of the lower housing 12 can provide a space for accommodating the first plug assembly 4, the inner cavity of the upper housing 11 can provide a space for accommodating a power supply assembly, and the cover plate 13 can better distinguish the cavity of the lower housing 12 from the cavity of the upper housing 11; the notches 2 facilitate the accommodation of the ground pins 5, thereby improving the aesthetic appearance of the charger for multinational plugs.

In this embodiment, as shown in fig. 1 to 8, in order to prevent the ground pin 5 from swinging when in a use state or a standby state, the bent portion 52 is rotatably connected in the notch 2 of the lower shell 12 through the rotating shaft 9, the notch 2 of the lower shell 12 is connected with the first limiting component 6 and the second limiting component 7, the first limiting component 6 and the second limiting component 7 are respectively located at two opposite sides of the rotating shaft 9, and the bent portion 52 is provided with a limiting groove 8 adapted to the first limiting component 6 and the second limiting component 7;

when the ground wire pin 5 is in the standby position, the first limiting component 6 is clamped in the limiting groove 8; when the ground wire pin 5 is in the use position, the second limiting component 7 is clamped in the limiting groove 8. Specifically, when the first limiting component 6 or the second limiting component 7 is clamped in the limiting groove 8, the ground pin 5 is stationary relative to the lower shell 12, so that the first plug component 4 has stability in use.

In this embodiment, as shown in fig. 1 to 8, the first limiting component 6 includes two first limiting blocks adapted to the limiting groove 8, and the second limiting component 7 includes two second limiting blocks adapted to the limiting groove 8, wherein when the first limiting blocks are clamped in the limiting groove 8, a user can use the first plug component 4 as an european plug; when the second limiting block is clamped in the limiting groove 8, a user can use the first plug assembly 4 as an English plug.

In the embodiment, as shown in fig. 1 to 8, in order to make the design of the ground pin 5 and the housing 1 more ergonomic, the flat portion 51 is recessed to form the first buckle position 10, the lower shell 12 is recessed to form the second buckle position 20, and when the ground pin 5 is in the standby position, the first buckle position 10 is connected to the second buckle position 20, so that when a user needs to use the first plug assembly 4 as an english plug, the user only needs to align the fingers with the first buckle position 10 and the second buckle position 20 and turn the ground pin 5 upward, thereby extending the ground pin 5 out of the housing 1; when the ground wire pin 5 is in the use position, the first hand-clasping position 10 is separated from the second hand-clasping position 20.

In this embodiment, as shown in fig. 1 to 8, the lower shell 12 is provided with a first jack, the first plug assembly 4 includes a first base 41, two first pins 42, two first push blocks 43 and two first push rods 44, two opposite sides of the lower shell 12 are respectively provided with a first guide slot 60, each first push rod 44 is slidably connected to the first guide slot 60, one end of each first push rod 33 is connected to a side surface of the first base 41 through a first elastic member, and the other end of each first push rod 33 is connected to the corresponding first push block 43;

the two first pins 42 are arranged on the first base 41 at intervals, and the shell is provided with two first insertion holes for allowing the first pins 42 to pass through, wherein the first base 41 is arranged to fix the two first pins 42; by arranging the first push rods 44 and the first push pieces, the first push pieces can transmit the external force applied by the user to the first push rods 44, wherein when the first pins 42 need to move, the user presses the two first push pieces and then pushes each first push piece to move along the corresponding first guide groove 60; by arranging the first elastic element which is a spring, the first elastic element can enable the first push rod 44 and the first push block 43 to realize automatic reset without the action of external force;

because the diameter of the jack suitable for the German plug is larger than that of the jack suitable for the European plug, the diameter of the jack of the European plug adopted by the diameter of the first pin 42 is larger than that of the jack suitable for the European plug, when the first pin 42 is inserted into the German jack, the first pin 42 can sway left and right, two first pushing pieces are arranged, clamping grooves 80 are arranged on two opposite sides of the German socket, each first pushing piece is clamped in the corresponding clamping groove 80, and each clamping groove 80 has a limiting effect on each first pushing piece, so that when the first plug assembly 4 is inserted into the German jack, the first plug assembly 4 is not easy to sway left and right.

In this embodiment, as shown in fig. 1 to 8, two guide plates 30 are disposed in the inner cavity of the lower shell 12, and each first push rod 44 is slidably connected to the corresponding guide plate 30, wherein each first push rod 44 moves along the guide plate 30 relative to the shell 1, and the guide plates 30 can provide a guiding function for the first push rods 44, so as to avoid the first push rods 44 from shaking during the moving process.

In this embodiment, as shown in fig. 1 to 7, in order to enable the charger for a multi-country plug of the embodiment of the present invention to be adapted to sockets of different countries, the charger for a multi-country plug of the present invention further includes a second plug assembly 40 adapted to an american-style socket and an australian-style socket, the second plug assembly 40 includes a second base 401, a second push rod 402, a second push block 403, and two second pins 404, the lower shell 12 is provided with a second guide slot 70, the second push rod 402 is slidably connected to the second guide slot 70, one end of the second push rod 402 is connected to the second base 401 through a second elastic member, and the other end of the second push rod 402 is connected to the second push block 403;

two second pins 404 are provided at intervals in the second base 401, and the lower case 12 is provided with second insertion holes allowing the second pins 404 to pass through. Specifically, by providing the second base 401, the second base 401 not only can fix the two second pins 404, but also the second base 401 has a jack for switching the second pin 404 between the american-gauge plug and the australian-gauge plug, when the second plug assembly 40 is in the american-gauge plug state, the user raises the second pin 404 vertically upward, and when the second plug assembly 40 is in the australian-gauge plug state, the user rotates the second pin 404, so that the second pin 404 is inclined with respect to the central axis of the lower shell 12;

by providing the second push rod 402 and the second push block 403, the second push block 403 can transmit the external force applied by the user to the second push rod 402, wherein when the second pin 404 needs to be moved, the user presses the second push block 403, and then pushes the second push block 403 to move along the second guide groove 70; by arranging the second elastic element, which is a spring, the second elastic element can enable the second push rod 402 and the second pushing member to automatically reset without the action of external force.

In this embodiment, as shown in fig. 1 to 7, the circuit assembly 3 includes a PCB 31 and two conductive plates 32, the PCB is disposed in the inner cavity of the upper housing 11, one end of each conductive plate 32 is electrically connected to the PCB 31, the other end of each conductive plate 32 penetrates through the cover plate 13 and is disposed in the inner cavity of the lower housing 12, two opposite sides of each conductive plate 32 are electrically connected to each first pin 42 and each second pin 404, respectively, wherein when the first plug assembly 4 or the second plug assembly 40 is electrically connected to an external socket, the conductive plates 32 can transmit electric energy transmitted by the first plug assembly 4 or the second plug assembly 40 to the PCB 31 through the conductive plates 32, so as to provide electric energy for the electric equipment.

PCB circuit board 31 is equipped with a plurality of USB mouth 50, and lower casing 12 is equipped with a plurality of third jacks corresponding with USB mouth 50, and of course, PCB circuit board 31 can also be electrically connected with the socket to be convenient for provide the electric quantity for external consumer.

To sum up, in the charger for a multi-country plug according to the embodiment of the present invention, when the first plug assembly 4 needs to be converted into an english plug, the user first converts the first plug assembly 4 from the standby position not in the use state to the use position in the use state, that is, the first plug assembly 4 extends from the inside of the housing 1 to the outside of the housing 1, and then the straight portion 51 of the rotating shaft extends out of the notch 2; when the first plug assembly 4 needs to be converted into a euro-style plug, a user firstly converts the first plug assembly 4 from a standby position which is not in a use state to a use position which is in a use state, namely, the first plug assembly 4 extends out of the shell 1 from the inside of the shell 1, and then the straight part 51 of the rotating shaft is accommodated in the notch 2;

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A charger for multinational plugs, comprising:

the surface of the shell is provided with a notch;

a circuit assembly disposed within the housing;

the first plug assembly is connected with the shell and is electrically connected with the circuit assembly;

2. The charger according to claim 1, wherein the bent portion is rotatably connected to a notch of the housing through a rotating shaft, the notch of the housing is provided with a first limiting component and a second limiting component, the first limiting component and the second limiting component are respectively located at two opposite sides of the rotating shaft, and the bent portion is provided with a limiting groove adapted to the first limiting component and the second limiting component;

3. The charger according to claim 2, wherein said first position-limiting assembly comprises two first position-limiting blocks adapted to said position-limiting grooves, and said second position-limiting assembly comprises two second position-limiting blocks adapted to said position-limiting grooves.

4. The multi-country plug charger according to claim 1, wherein the straight portion is provided with a first catch position, and the housing is provided with a second catch position on an outer surface thereof, the first catch position being connected to the second catch position when the ground pin is in the standby position; when the ground pin is in the use position, the first buckle position is separated from the second buckle position.

5. The charger according to claim 1, wherein said housing comprises a lower housing, an upper housing and a cover plate, said cover plate is fixedly connected to one end of said lower housing adjacent to said upper housing, said lower housing and said upper housing are provided with inner cavities, said first plug assembly is provided in said inner cavity of said lower housing, and said notch is provided in a surface of said lower housing.

6. The multi-country plug charger according to claim 5, wherein the first plug assembly includes a first base, two first pins, two first push blocks and two first push rods, wherein two opposite sides of the lower housing are respectively provided with a first guide slot, each first push rod is slidably connected to the first guide slot, one end of each first push rod is connected to a side surface of the first base through a first elastic member, and the other end of each first push rod is connected to the corresponding first push block;

7. The charger according to claim 6, wherein said lower housing has an inner cavity provided with two guide plates, each of said first push rods being slidably coupled to its corresponding guide plate.

8. The charger according to claim 6, wherein said second plug assembly comprises a second base, a second push rod, a second push block and two second pins, said lower housing is provided with a second guide slot, said second push rod is slidably connected to said second guide slot, one end of said second push rod is connected to a side surface of said second base through a second elastic member, and the other end of said second push rod is connected to said second push block;

9. The charger according to claim 8, wherein the circuit assembly comprises a PCB circuit board and two conductive strips, the PCB circuit board is disposed in the inner cavity of the upper housing, one end of each conductive strip is electrically connected to the PCB circuit board, and the other end of each conductive strip is disposed in the inner cavity of the lower housing through the cover plate;

10. The charger according to claim 2, wherein said PCB circuit board is provided with a plurality of USB ports, and said lower case is provided with a plurality of third insertion holes corresponding to said USB ports.