CN204144624U - A charger that can convert different standard plugs - Google Patents

Abstract

A charger capable of converting plugs of different standards, the charger is provided with a charger base, a plug assembly, an output terminal and a USB interface which are pluggable and convertible, a circuit board with a charging circuit is provided in the charger base, the plug assembly, the output terminal and the USB interface are electrically connected to the circuit board, the plug assembly comprises a plug socket and two-pin plugs and three-pin plugs of different standards which are arranged in opposite directions at both ends of the plug socket, the plug assembly can convert a two-pin plug or three-pin plug of one standard into a three-pin plug or two-pin plug of another standard by unplugging it from the charger base, rotating it and inserting it into the charger base. The charger of the utility model can convert between two plugs of different specifications, and has the characteristics of being compact, easy to carry and convenient to use.

Description

A charger that can convert different standard plugs

【Technical field】

The utility model relates to a power supply plug, in particular to a charger capable of changing plugs of different specifications and capable of changing plugs of different standards.

【Background technique】

At present, various communication terminals and household appliances, such as mobile phones and tablet computers, have been widely used in people's lives. These portable devices are powered by rechargeable batteries, and the batteries are charged by chargers. Although the functions of various chargers are the same, different countries have different standards and specifications for the power plug of the charger. For example, the European standard plug is a two-pin plug, while the British standard plug is a three-pin plug. This difference in specifications makes people have to carry two chargers of different standards when traveling between different countries, thus bringing inconvenience to people. In addition, the power plugs of existing chargers are all fixed single two-pin or three-pin plugs, and it is impossible to realize the interchangeability of two different power plugs on one charger.

【Content of invention】

The utility model aims at solving the above problems, and provides a charger that can switch between two different specifications of plugs, is small in size, easy to carry, and easy to use.

In order to achieve the above purpose, the utility model provides a charger capable of changing plugs of different standards. The charger is provided with a charger base, and a plug assembly, an output terminal and USB interface, a circuit board with a charging circuit is arranged in the charger base, the plug assembly, the output terminal and the USB interface are electrically connected to the circuit board, the plug assembly includes a plug seat and reversely arranged at both ends of the plug seat Two-pin plugs and three-pin plugs of different standards, the plug assembly can be converted from one standard two-pin plug or three-pin plug to another standard three-pin plug by unplugging it from the charger base and inserting it into the charger base after turning the direction plug or two-prong plug.

The base body of the charger is a columnar body, the upper end of which is provided with a plug seat accommodating part corresponding to the shape of the plug seat of the plug assembly and accommodating grooves for accommodating two-pin plugs and three-pin plugs, and a lower cover is connected to the bottom of the charger base body.

The circuit board is arranged on one side of the accommodating groove in the base of the charger, the USB interface is arranged on the other side of the accommodating groove, and the end of the USB interface is placed in the USB hole on the lower cover of the charger. It is electrically connected with the plug assembly, the output terminal and the USB interface respectively, the output terminal is columnar, and it is fixed on the arc-shaped support horizontally. One end of the output terminal extends out of the arc-shaped support and is connected to the circuit board. They are respectively electrically connected to the two-pin plug and the three-pin plug, and the arc-shaped support is fixed on the top of the charger base.

The plug seat accommodation part is formed by setting an inwardly convex arc-shaped boss on the upper part of the charger base. The distance between the upper surface of the arc-shaped boss and the upper end of the charger base body is equal to the thickness of the plug seat of the plug assembly. Corresponding.

The accommodating groove is composed of a longitudinal U-shaped groove arranged at the center of the arc-shaped boss and a longitudinal strip-shaped through hole arranged at the lower end of the U-shaped groove and penetrating to the bottom of the charger base.

The two-pin plug includes a two-pin plug seat, two pins and a conductive sheet. The two pins are fixed on the two-pin plug seat. connected, and the conductive sheet is electrically connected to the output terminal.

The conductive sheet includes a connection end and a contact end, and the connection end is provided with a connection hole connected to the pin, and the contact end extends to a position corresponding to the output terminal, and a protruding elastic sheet is provided on the contact end, and the conductive sheet passes through The elastic piece is electrically connected with the output terminal.

The three-pin plug includes a three-pin plug seat, three pins and a conductive sheet, the three pins are fixed on the three-pin plug seat, the conductive sheet is fixed on the bottom of the three-pin plug seat, and the tails of the three pins are electrically connected to the conductive sheet, The conductive sheet is electrically connected with the output terminal.

The conductive sheet includes a connection end and a contact end, the connection end is provided with a connection hole connected to the pin, and the contact end is extended to a position corresponding to the output terminal through an L-shaped turn, and a protruding elastic piece is provided on the contact end , the conductive sheet is electrically connected to the output terminal through the elastic sheet.

The plug seat is formed by screwing the two-pin plug seat and the three-pin plug seat into one body.

The contribution of the utility model lies in that it effectively solves the problem that the existing charger cannot perform conversion between different systems. The utility model integrates two kinds of power supply plugs of different standards, and can realize the exchange of the plugs of the two different standards by means of plugging and unplugging, thus greatly facilitating users. The utility model also has the characteristics of small size, easy to carry, convenient to use and the like.

【Description of drawings】

Fig. 1 is an exploded perspective view of components of the present utility model.

Fig. 2 is an exploded perspective view of another component of the present invention.

Fig. 3 is a schematic diagram of the structure where the plug assembly is pulled out from the base of the charger and rotated until the three-pin plug is turned upward.

Fig. 4 is a three-dimensional schematic diagram of the utility model in which the plug of the charger is converted into a three-pin plug.

Fig. 5 is a schematic diagram of the plug assembly pulled out from the base of the charger and rotated until the two-pin plug is upward.

Fig. 6 is a three-dimensional schematic diagram of the utility model in which the plug of the charger is converted into a two-pin plug.

【Detailed ways】

The following examples are further explanations and illustrations of the present invention, and do not constitute any limitation to the present invention.

Referring to FIG. 1 and FIG. 2 , the charger of the present invention that can convert plugs of different standards includes a charger base 10 , a plug assembly 20 , an output terminal 30 , a USB interface 40 and a circuit board 50 .

As shown in FIG. 1 , FIG. 2 , FIG. 3 and FIG. 5 , in this embodiment, the charger base 10 is a columnar body with a square or rectangular cross section. A plug seat accommodating portion 11 and an accommodating groove 12 are provided at the upper end of the charger base 10 . As shown in Fig. 1, Fig. 3 and Fig. 5, the plug seat accommodating part 11 is arranged on the upper part of the charger base 10, which is an inwardly convex arc-shaped boss, and the upper surface of the arc-shaped boss is in contact with the charger. The distance between the upper ends of the charger base corresponds to the thickness of the plug base 21 of the plug assembly, so that when the plug assembly 20 is inserted into the plug base accommodating portion 11 of the charger base, the upper surface of the plug base 21 is aligned with the upper surface of the charger base. The ends are flush. A longitudinal U-shaped groove 121 is provided in the center of the arc-shaped boss of the plug seat accommodating portion for accommodating the three-pin plug 23, and a longitudinal strip-shaped through hole 122 is provided at the lower end of the U-shaped groove, and the through hole is formed by the The bottom of the U-shaped groove 121 runs through to the bottom of the charger base, which is used to accommodate the two-pin plug 22 . A lower cover 13 is connected to the bottom of the charger base 10 , and the lower cover 13 is provided with two USB holes 131 for penetrating the USB interface 40 .

As shown in Figures 1 and 2, the plug assembly 20 is a pluggable movable plug assembly, which includes a plug base 21, a two-pin plug 22 and a three-pin plug 23, and the two-pin plug 22 and the three-pin plug 23 are reversed. It is arranged at both ends of the plug socket. The two-pin plug 22 and the three-pin plug 23 are plugs of different standards. In this embodiment, the two-pin plug 22 is a European standard plug, and the three-pin plug 23 is a British standard plug, and they can be converted to each other. In this embodiment, the two-pin plug 22 includes a two-pin plug seat 221, two prongs 222 and a conductive sheet 223, wherein the two-pin plug seat 221 consists of a plate-shaped connecting portion 2211 and protrudes from the connecting portion. The upper block-shaped plug fixing part 2212 is formed, and the edge of the connecting part 2211 is provided with a connecting hole 22111 connected with the three-pin socket 231 of the three-pin plug. The plug fixing portion 2212 is provided with holes for the two prongs 222 to protrude from. The two pins 222 are cylindrical and fixed on the two-pin socket 221 . The front end protrudes from the plug fixing part 2212 , and the tail protrudes from the lower surface of the connecting part 2211 , and is electrically connected to the conductive sheet 223 . The conductive sheet 223 is fixed on the bottom of the two-pin plug socket 221, which includes a connection end and a contact end, and the connection end is provided with a connection hole 2231 connected to the pin 222, and the tails of the two pins 222 pass through the connection hole 2231, and Fixed and electrically connected with it. The contact end of the conductive piece extends to a position corresponding to the output terminal 30 , and a protruding elastic piece 2232 is provided at the contact end, and the conductive piece contacts and is electrically connected with the output terminal 30 through the elastic piece 2232 . Described three-pin plug 23 comprises three-pin plug seat 231, three pins 232 and conductive sheet 233, and wherein, three-pin plug seat 231 is plate-shaped body, is provided with the screw hole that is connected with two-pin plug seat 221 of two-pin plug Column 2311. The three pins 232 are sheet-shaped objects with a rectangular cross section, which are fixed on the three-pin socket 231 . The conductive sheet 233 is fixed on the bottom of the three-pin plug socket 231. The conductive sheet 233 includes a connection end and a contact end. The connection end is provided with a connection hole 2331 connected to the pin 232, and the tails of the three pins 232 pass through the connection hole 2331. , and fixed and electrically connected with it. The contact end of the conductive piece extends to a position corresponding to the output terminal 30 through an L-shaped turn, and a protruding elastic piece 2332 is provided at the contact end, and the conductive piece contacts and is electrically connected with the output terminal 30 through the elastic piece 2232 . When the charger is inserted into the power socket through the two-pin plug 22 and the three-pin plug 23, the charger circuit is connected to the circuit board 50 through the pin 222 or 232, the conductive sheet 223 or 233, the output terminal 30, and is electrically connected to the circuit board 50. The USB interface 40 can be inserted into a USB cable with a charging connector to charge electrical equipment such as mobile phones and tablet computers.

Among Fig. 1, Fig. 2, described two-pin plug seat 221 and three-pin plug seat 231 are fixed as a whole by screw through the connection hole 22111 that is located on the two-pin plug seat and the threaded column 2311 that is located on the three-pin plug, forms the Described plug socket 21. The two ends of the plug socket 21 are respectively a two-pin plug 22 and a three-pin plug 23 arranged oppositely.

As shown in Figure 1 and Figure 2, the output terminal 30 is a conductive copper column, and the two output terminals are fixed horizontally on the arc-shaped support 31, and one end of the output terminal 30 stretches out of the arc-shaped support 31, and the end is passed through the wire. It is connected to the circuit board 50, and the other ends of the two output terminals are electrically connected to the two-pin plug 22 and the three-pin plug 23 respectively. The inner side of the arc-shaped bracket is provided with a connecting column, and the top of the charger base 10 is provided with a corresponding connection. hole, the arc-shaped bracket is fixed on the top of the charger base 10 by inserting the connection post into the connection hole at the top of the charger base 10 .

As shown in Fig. 1 and Fig. 2, the circuit board 50 is provided with a universal charging circuit, which is fixed on one side of the accommodating groove 12 in the charger base. The USB interface 40 is fixed on the other side of the accommodating slot 12 , and the end of the USB interface 40 is placed in the USB hole 131 on the lower cover 13 of the charger. The circuit board 50 is electrically connected to the plug assembly 20 , the output terminal 30 and the USB interface 40 respectively.

The working principle of the utility model is shown in Figures 3 to 6, wherein Figures 3 and 4 show the process of converting the plug assembly of the charger from a two-pin plug to a three-pin plug. As shown in Figure 3, when charging with a charger with a three-pin plug, the plug assembly 20 can be unplugged from the charger base 10 and rotated 180 degrees so that the three-pin plug 23 faces upwards, and then inserted into the plug socket on the charger base The accommodating part 11 can convert the charger into a three-pin plug adapted to the British standard. The converted charger is shown in FIG. 4 . Figure 5 and Figure 6 show the process of converting the plug assembly of the charger from a three-pin plug to a two-pin plug. As shown in Figure 5, when charging with a charger with a two-pin plug, the plug assembly 20 can be unplugged from the charger base 10 and rotated 180 degrees so that the two-pin plug 22 faces upwards, and then inserted into the charger base 10. The plug seat accommodating part 11 can convert the charger into a two-pin plug adapted to the European standard, and the converted charger is shown in FIG. 6 .

Although the utility model has been disclosed through the above embodiments, the scope of protection of the utility model is not limited thereto. Under the condition of not departing from the concept of the utility model, the deformation and replacement of the above components will fall into place. Into the scope of claims of the present utility model.

Claims (10)

1. A charger capable of changing plugs of different formats is characterized in that the charger is provided with a charger base (10), and the charger base (10) is provided with a plug assembly ( 20), the output terminal (30) and the USB interface (40), the circuit board (50) with the charging circuit is arranged in the charger base (10), the plug assembly (20), the output terminal (30) and the USB interface (40) is electrically connected with the circuit board (50), and the plug assembly (20) includes a plug socket (21) and two-pin plugs (22) and three-pin plugs (23) that are reversely arranged at the two ends of the plug socket. ), the plug assembly (20) can convert a standard two-pin plug (22) or three-pin plug (23) into another by pulling it out from the charger base (10) and inserting it into the charger base after turning the direction. A three-pin plug (23) or a two-pin plug (22) of various standards. 2. The charger capable of changing plugs of different standards according to claim 1, characterized in that, the charger base (10) is a columnar body, and its upper end is provided with a socket corresponding to the shape of the plug socket (21) of the plug assembly. The socket housing portion (11) and the housing groove (12) for accommodating two-pin plugs and three-pin plugs are connected with a lower cover (13) at the bottom of the charger base (10). 3. The charger capable of changing plugs of different standards according to claim 2, characterized in that, the circuit board (50) is arranged on one side of the accommodating groove (12) in the charger base, and the USB interface ( 40) It is arranged on the other side of the accommodating groove (12), and the end of the USB interface (40) is placed in the USB hole (131) on the lower cover (13) of the charger, and the circuit board (50) is connected with the The plug assembly (20), the output terminal (30) and the USB interface (40) are electrically connected, the output terminal (30) is columnar, and it is fixed on the arc-shaped support (31) laterally, and the output terminal (30) One end extends out of the arc-shaped support (31) and is connected to the circuit board (50), and its other end is electrically connected to the two-pin plug (22) and the three-pin plug (23) respectively, and the arc-shaped support is fixed on the charger base ( 10) Top. 4. The charger capable of changing plugs of different standards as claimed in claim 2, characterized in that, the socket housing part (11) is an arc-shaped protrusion arranged inwardly on the upper part of the charger base (10). The distance between the upper surface of the arc-shaped boss and the upper end of the charger base corresponds to the thickness of the plug seat (21) of the plug assembly. 5. The charger capable of changing plugs of different standards as claimed in claim 4, wherein the accommodating groove (12) is composed of a longitudinal U-shaped groove (121) arranged at the center of the arc-shaped boss and A longitudinal strip-shaped through hole (122) arranged at the lower end of the U-shaped groove and penetrating to the bottom of the charger base body. 6. The charger capable of changing plugs of different standards according to claim 1, wherein the two-pin plug (22) includes a two-pin plug socket (221), two pins (222) and a conductive sheet (223 ), the two pins (222) are fixed on the two-pin plug seat (221), the conductive sheet (223) is fixed on the bottom of the two-pin plug seat (221), and the tails of the two pins are connected to the conductive sheet (223) electrically connected, and the conductive sheet (223) is electrically connected to the output terminal (30). 7. The charger capable of changing plugs of different standards according to claim 6, characterized in that, the conductive sheet (223) includes a connection end and a contact end, and the connection end is provided with a connection hole connected to the pin (222) (2231), the contact end extends to a position corresponding to the output terminal (30), a protruding elastic piece (2232) is provided at the contact end, and the conductive piece passes through the elastic piece (2232) and the output terminal (30) electrical connection. 8. The charger capable of changing plugs of different standards according to claim 1, characterized in that, the three-pin plug (23) comprises a three-pin plug socket (231), three pins (232) and a conductive sheet (233), The three pins (232) are fixed on the three-pin socket (231), the conductive sheet (233) is fixed on the bottom of the three-pin socket (231), and the tails of the three pins are electrically connected to the conductive sheet (233). , the conductive sheet (233) is electrically connected to the output terminal (30). 9. The charger capable of changing plugs of different standards according to claim 8, wherein the conductive sheet (233) includes a connection end and a contact end, and the connection end is provided with a connection hole connected to the pin (232) (2331), the contact end extends to the position corresponding to the output terminal (30) through an L-shaped turn, and a protruding elastic piece (2332) is provided at the contact end, and the conductive piece passes through the elastic piece (2232) and the output The terminals (30) are electrically connected. 10. The charger capable of changing plugs of different standards according to claim 1, characterized in that, the plug socket (21) is formed by screwing a two-pin socket (221) and a three-pin socket (231) into one body. form.