CN204577818U - A power supply with a replaceable plug - Google Patents

Abstract

The utility model relates to a power supply with replaceable plug, which comprises a power supply body and at least one plug body, wherein a pair of parallel protruding parts protruding out of the surface are formed on one surface of the shell of the power supply body, the inner sides of the two parallel protruding parts are provided with buckling parts protruding inwards in opposite directions, and a buckling groove is formed between the lower surface of the buckling part and the surface of the shell; the protrusion part is also provided with a terminal hole for communicating the inside and the outside of the shell; the plug body is provided with a pair of insertion grooves which are inserted with the pair of protrusions on the shell of the power supply body along the end parts, and the lower parts of the insertion grooves are provided with buckling edges which correspond to the buckling grooves on the power supply body. The utility model discloses utilize power body and plug body to peg graft the equipment and constitute the power that can use, but shape, the specification that metal participated in on the plug body designs wantonly to make a power main part can join in marriage a plurality of plug bodies that have different grade type, specification metal grafting, facilitate the use, practice thrift the cost.

Description

A power supply with a replaceable plug

Technical field:

The utility model relates to the technical field of electronics and its peripheral products, in particular to a power supply with a replaceable plug.

Background technique:

With the development of science and technology, people who travel or go on a business trip now will bring various electronic products, including computers, mobile phones, cameras, video cameras, GPS, etc. With electronic products, they must bring corresponding chargers or switching power supplies. However, due to the different power sockets, plug shapes, and power supply voltages in different countries, domestic charging equipment cannot be directly connected to foreign power sockets. Therefore, it is necessary to bring a conversion socket or conversion plug suitable for the destination country before use. . At present, there are also convertible plugs on the market, but their structures are more complicated, and their assembly and use are more troublesome. Moreover, due to factors such as the arrangement direction of the plug terminals on the power supply, some power supplies and sockets may block other socket holes after the power supply is plugged in or not. Still can hinder the insertion of other electric plugs, bring inconvenience to the user.

Utility model content:

The purpose of the utility model is to provide a power supply with a replaceable plug for the above-mentioned shortcomings of the existing products.

The technical solution adopted by the utility model is: a power supply with a replaceable plug, which includes a power supply body and at least one plug body detachably assembled with the power supply body, the power supply body has a shell and a circuit board arranged in the shell, wherein :

One surface of the shell of the power supply body is formed with a pair of protrusions arranged in parallel and protruding from the surface. The inside of the two parallel protrusions is provided with buckle parts that protrude inwardly and oppositely. A buckle groove is formed between them; a terminal hole connecting the inside and outside of the casing is also opened on the protrusion;

A terminal positioning plate is provided inside the shell at the position of the protruding part, and a metal terminal is fixedly installed between the terminal positioning plate and the inner wall of the shell, and the metal terminal passes through the terminal hole of the protruding part;

The plug body is provided with a pair of insertion slots that are inserted along the ends of the pair of protrusions on the shell of the power supply body, and the lower part of the insertion slots is provided with a corresponding buckle slot on the power supply body. The buckle edge; the plug body is also provided with at least two metal pins that are in electrical contact with the metal terminals on the power supply body when the plug body and the power supply body are assembled.

On the surface where the protruding portion of the shell of the power supply body is located, an internal hollow protruding seat is also provided at the rear of the protruding portion, and a U-shaped line is set along the upper surface, the front surface and the surface where the protruding portion is located Cutting slits, the parts between the U-shaped cutting slits form an elastic movable part, the movable end of the elastic movable part is located on the surface where the protrusion is located and is located between the two protrusions, and the surface of the movable end is formed with an undercut part; Correspondingly, the lower surface of the plug body is provided with a locking hole corresponding to the undercut portion.

The inner ends of the two metal pins on the plug body are respectively directly exposed on the inner upper surface of the insertion slot.

Alternatively, the inner ends of the two metal sockets on the plug body are respectively connected to metal sheets disposed in the plug body, and one surface of the metal sheet is exposed on the inner upper surface of the insertion groove.

The part of the metal terminal passing through the terminal hole of the protruding part is arched, and the arched end of the metal terminal is a free end, and the other end is an extension end extending out of the terminal positioning plate.

The utility model utilizes the power supply body and the plug body to be plugged and assembled to form a usable power supply. The shape and specification of the metal pins on the plug body can be designed according to the needs, so that one power supply body can be equipped with multiple metal plugs with different types and specifications. The plug body of the utility model is matched and used according to the needs of the tourist location, which brings convenience to consumers who often travel at home and abroad and saves costs; moreover, the assembly and disassembly of the plug body and the power supply body in the utility model are very fast and convenient, without any The tool can be completed, and the space occupied can be reduced as much as possible according to the specific situation when used.

Description of drawings:

Fig. 1 is the schematic diagram of the combination state of a kind of embodiment of the utility model;

Fig. 2 is a perspective view of the power supply body in the utility model;

Figure 3 is an exploded schematic view of the power supply body;

Fig. 4 is a schematic structural view of the plug body in the embodiment of Fig. 1;

Fig. 5 is an exploded schematic diagram of the plug body in the embodiment of Fig. 1;

Fig. 6 and Fig. 7 are schematic diagrams of the plug body of the second embodiment of the present invention;

Figure 8 and Figure 9 are schematic diagrams of the third embodiment of the plug body in the utility model;

Fig. 10 and Fig. 11 are schematic diagrams of the plug body of the fourth embodiment of the present invention;

Fig. 12 and Fig. 13 are schematic diagrams of the plug body of the fifth embodiment of the present invention.

Detailed ways:

Below in conjunction with specific embodiment and accompanying drawing, the utility model is further described.

As shown in Figures 1 to 5, the utility model describes a power supply with a replaceable plug, which includes a power supply body 1 and at least one plug body 2 detachably assembled with the power supply body 1, the power supply body 1 has The casing 11 and the circuit board 12 arranged in the casing. In this embodiment, the casing 11 of the power supply body 1 is composed of a bottom box 111 and an upper cover 112. The upper surface of the upper cover 112 of the power supply body 1 is formed with a pair of parallel And protruding from the surface of the protrusions 13, the inner side of the two parallel protrusions 13 is provided with a buckle part 131 protruding inwardly and oppositely, and a buckle groove 130 is formed between the lower surface of the buckle part 131 and the surface of the shell; The protruding portion 13 is also provided with a terminal hole 132 connecting the inside and outside of the casing 11;

Inside the shell 11, a terminal positioning plate 14 is provided at the position of the protrusion 13, and a metal terminal 15 is fixedly installed between the terminal positioning plate 14 and the inner wall of the shell 11, and the metal terminal 15 is installed on the terminal positioning plate 14, and the metal The terminal 15 passes through the terminal hole 132 of the protruding part 13; the metal terminal 15 and the terminal positioning plate 14 are provided with a positioning hole, correspondingly, the inner wall surface of the housing 11 is formed with a positioning column, and the metal terminal is positioned and installed through the docking of the positioning hole and the positioning column. The terminal 15 is more convenient to assemble; the part of the metal terminal 15 passing through the terminal hole 132 of the protrusion is arched, and the arched end of the metal terminal 15 is a free end, and the other end extends out of the terminal positioning plate 14 and the inner wall of the housing. The extended end of the metal terminal 15 has good elasticity and recovery ability, which can ensure electrical contact with the metal pin, and the extended end is convenient to connect with the circuit board 12 .

The plug body 2 is provided with a pair of insertion grooves 21 that are inserted along the ends of the pair of protrusions 13 on the housing 11 of the power supply body 1 , and the lower part of the insertion groove 21 is provided with a socket that is connected to the power supply body 1 . The buckle side 22 corresponding to the buckle groove 130 on the top, the buckle side 22 is plugged into the buckle groove 130; the plug body 2 is also provided with at least two , the metal pin 23 that is in electrical contact with the metal terminal 15 on the power supply body 1 .

Further, on the surface where the protruding part 13 of the housing 11 of the power supply body 1 is located, and behind the protruding part 13, an internal hollow raised seat 16 is also provided. A U-shaped cutting slit 161 is provided on the surface and the surface where the protrusion 13 is located, and the position between the U-shaped cutting slits 161 forms an elastic movable part 17. Between the parts 13, and an undercut part 171 is formed on the surface of the movable end; correspondingly, the lower surface of the plug body 2 is provided with a locking hole 24 corresponding to the undercut part 171 .

When the plug body 2 is plugged into the protrusion 13 along the end of the protrusion 13 , in the direction perpendicular to the surface where the protrusion 13 is located, relying on the buckle edge 22 at the bottom of the plug body 2 and the buckle part 131 inside the protrusion 13 Buckle limit, and in the insertion direction, when the plug body 2 is plugged into contact with the surface of the raised seat 16, the undercut portion 171 on the elastic movable part 17 just buckles into the card hole at the bottom of the plug body 2 In 24, a limit is formed, so that the assembly of the plug body 2 and the power supply body 1 is stable; when the plug body 2 needs to be removed, it is only necessary to press the elastic movable part 17 to make its movable end move into the shell 11. The undercut portion 171 is disengaged from the locking hole 24 , and then the plug body 2 can be translated and pulled out along the buckle groove 130 to complete the separation of the plug body 2 and the power supply body 1 .

In the embodiment shown in FIGS. 6-13 , the inner ends of the two metal pins 23 on the plug body 2 are directly exposed on the inner upper surface of the insertion groove 21 . Or, as shown in Fig. 4 and Fig. 5, the inner ends of the two metal inserts 23 on the plug body 2 are respectively connected to the metal sheets 25 arranged in the plug body 2, and the metal sheets 25 are connected to each other. One surface is exposed on the inner upper surface of the insertion slot 21 , that is, a through hole 210 is opened on the inner upper surface of the insertion slot 21 for the metal pin 23 or the metal sheet 25 to be exposed. The two metal pins 23 are respectively directly or indirectly exposed on the inner upper part of the socket slot 21 through the metal sheet 25, and after the plug body 2 and the power supply body 1 are assembled, the two metal pins 23 are in contact with the metal terminals 15 on the plug body 2. contact to conduct electricity. Another example is the embodiment in Fig. 4 and Fig. 6, the direction of the metal plug 23 on the two kinds of plug bodies 2 is different, and the user can choose the appropriate plug according to factors such as the socket specification, the shape distribution of the socket, and the plug connection conditions of other electric product plugs. The plug body is connected with the power source body, which minimizes the occupied space and is convenient for users to use.

When in use, align the insertion groove 21 of the plug body 2 with the protruding portion 13 on the housing 11 of the power supply body 1, insert it along the end of the protruding portion 13 toward the raised seat 16, and make the buckle edge 22 at the bottom of the insertion groove 21 Enter the buckle groove 130 inside the protrusion 13 to realize the limit perpendicular to the insertion direction; when the plug body 2 contacts the front surface of the protrusion seat 16, the metal terminal 15 passing through the protrusion 13 and the insertion groove The inner end surface of the metal plug 23 on the inner upper surface of 21 or the metal sheet 25 connected with the metal metal 23 is in contact, and the undercut part 171 and the clamping hole 24 realize the limit parallel to the insertion direction, so that the plug body 2 and the power supply body 1 Stable connection, so as to connect with external socket for power supply.

As shown in Figures 6-13, the structural schematic diagrams of the plug body 2 of the other four embodiments, the shape specifications, positions, angles, etc. Socket usage specifications, but their basic structural features are consistent with the embodiments shown in Figure 4 and Figure 5, so they will not be described in detail.

To sum up, the utility model uses the power supply body 1 and the plug body 2 to form a usable power supply by plugging and assembling. The shape and specification of the metal pins 23 on the plug body 2 can be designed according to the needs, so that a power supply body 1 can be equipped with A plurality of plug bodies with different types and specifications of metal sockets are used in combination according to the needs of the tourist location, which brings convenience to consumers who often travel at home and abroad and saves costs; moreover, the plug body and the power supply body in the utility model The assembly and disassembly are very fast and convenient, and can be completed without any tools, and the space occupied can be reduced as much as possible according to the specific conditions during use.

Claims (5)

1. A power supply with a replaceable plug, which includes a power supply body and at least one plug body detachably assembled with the power supply body, the power supply body has a shell and a circuit board arranged in the shell, characterized in that: One surface of the shell of the power supply body is formed with a pair of protrusions arranged in parallel and protruding from the surface. The inside of the two parallel protrusions is provided with buckle parts that protrude inwardly and oppositely. A buckle groove is formed between them; a terminal hole connecting the inside and outside of the casing is also opened on the protrusion; A terminal positioning plate is provided inside the shell at the position of the protruding part, and a metal terminal is fixedly installed between the terminal positioning plate and the inner wall of the shell, and the metal terminal passes through the terminal hole of the protruding part; The plug body is provided with a pair of insertion slots that are inserted along the ends of the pair of protrusions on the shell of the power supply body, and the lower part of the insertion slots is provided with a corresponding buckle slot on the power supply body. The buckle edge; the plug body is also provided with at least two metal pins that are in electrical contact with the metal terminals on the power supply body when the plug body and the power supply body are assembled. 2. The power supply with replaceable plugs according to claim 1, characterized in that: on the surface where the protrusions of the housing of the power supply body are located, and behind the protrusions, there is also an internal hollow protrusion seat, along which A U-shaped cutting slit is provided on the upper surface, the front surface, and the surface where the protrusion is located, and an elastic movable part is formed between the U-shaped cut slits, and the movable end of the elastic movable part is located on the surface where the protrusion is located. It is located between the two protrusions, and an undercut is formed on the surface of the movable end; correspondingly, the lower surface of the plug body is provided with a card hole corresponding to the undercut. 3. The power supply with a replaceable plug according to claim 1 or 2, characterized in that: the inner ends of the two metal pins on the plug body are respectively directly exposed on the inner upper surface of the insertion slot. 4. The power supply with a replaceable plug according to claim 1 or 2, characterized in that: the inner ends of the two metal sockets on the plug body are respectively connected to the metal sheets arranged in the plug body, the One surface of the metal sheet is exposed on the inner upper surface of the socket. 5. The power supply with a replaceable plug according to claim 1, characterized in that: the part of the metal terminal passing through the terminal hole of the protruding part is arched, and the arched end of the metal terminal is a free end, and the other end is Extension end that extends out of the terminal alignment plate.