CN201061054Y - Multinational electricity adapter plug - Google Patents

Abstract

The utility model relates to a multinational electricity adapter plug, including a casing, one arrange the AD circuit board in the built-in cavity of casing, participate in of three different national standards, a slide and a resetting means, it realizes the braking purpose of a plurality of participating in through the displacement of slide, simplified the structure of plug, and only need gently push out or rotate during the use and want to use to participate in can, and only one of them national standard of selective use is participated in once during the use, other national standard participate in then safe hiding in the plug casing, it has portable, easy operation and safe in utilization's characteristics; meanwhile, the A/D circuit board converts the AC power supply into the DC power supply, so that the purpose of outputting the DC power supply through the plug is realized; therefore, the utility model can be suitable for the matched use of the DC power supply equipment of people who often go on business or travel in many countries.

Description

A multi-country power adapter plug

technical field

The utility model relates to the technology in the field of power plugs, in particular to an electric adapter plug common to many countries.

Background technique

For the convenience of traveling abroad, multi-country power adapter plugs are becoming more and more popular, which can match different standard sockets in many countries; at present, there are various technologies for multi-country plugs, and there is Chinese patent No. 200520008636. In this way, the pins need to be replaced frequently, and the operation is cumbersome; in addition, there is the power plug technology disclosed in Chinese patent 02815377.4, which is realized by a rotating support and a linearly moving braking body. The braking purpose of the invalid state pin, and this kind of mode structure is complex, inconvenient to produce, assemble; What is worth mentioning is that the power plug proposed in the above-mentioned prior art can only realize the direct input and output of AC power, and With the continuous popularization of DC power supply electrical equipment such as computers, people are more urgently in need of a plug that can be applied to sockets in multiple countries and can directly output DC power.

Utility model content

Aiming at the deficiencies of the above-mentioned prior art, the main purpose of this utility model is to provide a power adapter plug with simple structure, convenient operation and applicable to power sockets of different standards in many countries. One national standard pin, other national standard pins are self-locking and safely hidden in the plug housing.

Another purpose of this utility model is to provide a power adapter plug that can output DC power and is suitable for power sockets of different standards in multiple countries. The interface outputs DC power.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A shell, which is divided into an upper shell and a lower shell. After the upper shell and the lower shell are assembled, two slide grooves are formed on the left and right sides of the shell, and a concave space is formed on the rear side;

Three pins applicable to different national standards include British standard pins, American/Australian standard pins and VDE standard pins in this embodiment; By pushing the push button set in the chute of the shell, the pins protrude from the corresponding holes set on the lower side of the shell, and the VDE standard pins are set in the concave space on the back side of the shell, which can be rotated during use. This pin is screwed out;

An A/D circuit board, the A/D circuit board is set in the built-in cavity of the housing, a USB interface is provided in the middle of the front side of the A/D circuit board, and power supply connectors with certain elasticity are respectively provided on the left and right sides, The A/D circuit board is used to convert the AC power input by three pins applicable to different national standards into DC power, and then output from the USB interface on the A/D circuit board; The circuit structure is a conventional technology, so it will not be repeated here.

A skateboard, which is set on the rear side of the A/D circuit board, and is located between the A/D circuit board and the VDE pin. Two power connecting pieces and a push plate, the right end of the slide plate is also provided with a reset lever, and the two power connecting pieces are electrically connected to the A/D circuit board;

A reset device, the reset device is located at the right end of the slide plate, the reset device includes a sleeve and a spring, the spring is installed in the through hole on the sleeve, the reset rod on the slide plate is sleeved in the through hole of the sleeve and stands on the On the spring, the reset device is used to automatically return to the original position after the slide plate is displaced;

The above-mentioned British standard pin is located on the left side of the A/D circuit board. The British standard pin is provided with a tenon, two electric contacts and a push button. Sliding inside, the two electric contacts are used to electrically connect with the power connector on the A/D circuit board, the push button is set in the left chute on the housing, and can slide up and down in the left chute;

The above-mentioned American/Australian standard pin is located on the right side of the A/D circuit board, and the American/Australian standard pin is provided with a tenon, two electric contacts and a push button, and the tenon corresponds to the inclined chute on the slide plate, and It can slide in the inclined chute, and the electric contact piece is used for electrical connection with the power connection piece on the A/D circuit board. The push button is set in the right chute on the housing, and can slide up and down in the right chute ;

The above-mentioned VDE standard pin is located on the rear side of the A/D circuit board. The VDE standard pin is provided with a rotating shaft and two contact pins. The VDE standard pin can rotate around the rotating shaft. electrical connection.

An AC socket can also be provided on one side of the above-mentioned housing, and the AC socket is electrically connected to the A/D circuit board, and AC power is input through the AC socket, and then converted into DC power by the A/D circuit board and then output through the USB interface. DC power supply.

One side of the above-mentioned housing can also be provided with a DC socket, which is electrically connected to the A/D circuit board. Output through this DC socket.

The beneficial effects of the utility model compared with the prior art include the following aspects:

1. By designing multiple pins of different national standards in one plug, one plug can be applied to multiple national standard sockets, and its application range is greatly improved.

2. There is a slide-type self-locking mechanism between the pins, which realizes the braking purpose of multiple pins through the movement of a slide plate, simplifies the structure of the plug, and only needs to gently push out or turn the pin you want to use when using it. That is, the operation is more convenient.

3. While the self-locking mechanism hides each pin in the housing, each pin is in a power-off state, so that it can effectively meet the safety requirements of various countries and make it safer to use.

4. It converts AC power into DC power through an A/D circuit board, and achieves the purpose of outputting DC power through the plug. It is suitable for supporting DC power supply equipment for people who often travel to many countries.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the front combination of the utility model;

Fig. 2 is a schematic diagram of the combined three-dimensional structure of the back of the utility model;

Fig. 3 is a bottom view of the combined structure of the utility model;

Fig. 4 is a schematic diagram of the internal enlarged structure of the utility model;

Fig. 5 is a schematic diagram of the decomposed state of the utility model;

Fig. 6 is a schematic diagram of the structure of the utility model VDE standard pin use state;

Fig. 7 is a schematic diagram of the utility model US/Australian standard pin use state structure diagram;

Fig. 8 is a schematic diagram of the structure of the British standard pin of the utility model in use;

Fig. 9 is a schematic structural view of the utility model when the British standard pin is in electrical contact;

Fig. 10 is a schematic structural view of the second embodiment of the utility model;

Identification description:

10. Shell 10a (10b), chute 10c, concave space

11. Upper shell 12. Lower shell

21. British standard plug

22. American/Australian standard plug

23. VDE standard plug

21a (22a), tenon 21b (22b, 30c), electric contact piece 23a, electric contact pin

21c(22c), push button

30. Skateboard 30a (30b), inclined chute 30d, push plate 30e, reset lever

40. A/D circuit board 40a, USB interface 40b (40c), power connector

50. Reset device 51. Sleeve 52. Spring 51a. Through hole

60. AC socket

100, plug

Detailed ways:

The utility model is described in detail below in conjunction with accompanying drawing and specific embodiment:

Please refer to Figure 1, Figure 2, and Figure 3, which are schematic diagrams of the external structure of the combined state of the first embodiment of the present invention, a multi-country power adapter plug 100, including:

A casing 10, which is divided into an upper casing 11 and a lower casing 12; after the upper casing 11 and the lower casing 12 are assembled, two slide grooves 10a, 10b are formed on the left and right sides of the casing, and at the same time A concave space 10c is formed on the side;

Three pins applicable to different national standards include British standard pins 21, US/Australian standard pins 22 and VDE standard pins 23; In the cavity, the pins 21, 22 can protrude from the corresponding holes on the lower side of the shell 10 by pushing the push buttons 21c, 22c set in the chute 10a, 10b of the shell during use; the VDE standard pin 23 is set in the shell In the concave space 10c on the rear side of the body, the pin 23 can be rotated out during use;

Referring to Figure 4 and Figure 5, it is a schematic diagram of the internal structure of the utility model in a decomposed state. The interior of the multi-country power adapter plug includes:

An A/D circuit board 40, the A/D circuit board is located in the built-in cavity of the housing 10; a USB interface 40a is provided in the middle of the front side of the A/D circuit board, and a power supply with certain flexibility is provided on the left and right sides respectively. Connecting pieces 40b, 40c; the A/D circuit board 40 is used to convert the AC power input by three pins 21, 22, 23 applicable to different national standards into DC power, and then the USB interface on the main board 40 40a output;

A slide plate 30, this slide plate 30 is located at the rear side of A/D circuit board 40, and is positioned between A/D circuit board 40 and VDE pin 23, slide plate 30 can slide on housing 10; Slide plate 30 is provided with two Inclined chute 30a, 30b, the other side is provided with two power connecting pieces 30c and a push plate 30d, the right end of this slide plate 30 is also provided with a reset lever 30e, two power connecting pieces 30c are electrically connected with A/D circuit board 40;

A reset device 50, the reset device is located at the right end of the slide plate 30; the reset device 50 includes a sleeve 51 and a spring 52, the spring 52 is installed in the through hole 51a on the sleeve; the reset rod 30e on the slide plate 30 is enclosed within In the through hole 51a of the sleeve 51 and against the spring 52;

The above-mentioned British standard pin 21 is located on the left side of the A/D circuit board 40, and the British standard pin 21 is provided with a tenon 21a, two electric contacts 21b and a push button 21c; Inclined chute 30a, and can slide in the chute 30a, two electrical contacts 21b are used to electrically connect with the power connection piece 40b on the A/D circuit board, and the push button 21c is arranged on the left chute on the housing 10 10a, and can slide up and down in the left chute 10a;

The above-mentioned American/Australian standard pin 22 is arranged on the right side of the A/D circuit board 40, and the American/Australian standard pin 22 is protruded with a tenon 22a, two electric contacts 22b and a push button 22c; the tenon 22a corresponds to The inclined chute 30b on the slide plate 30 can slide in the inclined chute 30b, the electric contact piece 22b is used to electrically connect with the power connection piece 40c on the A/D circuit board, and the push button 22c is arranged on the housing 10 in the right chute 10b, and can slide up and down in the right chute 10b;

Above-mentioned VDE standard pin 23 is arranged on the rear side of A/D circuit board, and this VDE standard pin 23 is provided with a rotating shaft 23a and two contact pins 23b; This VDE standard pin 23 can rotate around rotating shaft 23a, and two contact pins 23b are used for The power connection piece 30c on the slide plate 30 is electrically connected;

With reference to Fig. 4, Fig. 6, Fig. 7, Fig. 8, Fig. 9, the realization principle of the self-locking structure of the present utility model is shown:

Fig. 4 shows the situation when three kinds of standard pins 21, 22, 23 of the utility model are all in the non-use state, and any standard pin in the three kinds of standard pins 21, 22, 23 can be selected to use now, Just follow the steps below.

Fig. 6 is the structural representation of VED standard pin 23 usage state of the present utility model, when will use VDE standard pin 23, rotate VDE pin 23, make it vertical (as shown in Figure 6), this moment on VDE standard pin 23 The two contact pins 23b are electrically connected to the power connection piece 30b on the slide plate 30, and the slide plate 30 slides to the left for a certain distance by the force acting on the electric connection piece 30b when the VDE pin 23 rotates, so that the British standard pin 21 and the US/US The tenon 21a, 22a on the Australian standard pin 22 is staggered with the inclined chute 30a, 30b on the slide plate 30, that is to say, the British standard pin 21 and the US/Australian standard pin 22 cannot slide into the inclined chute 30a, 30b, that is, force The British standard pin 21 and the US/Australian standard pin 22 cannot be pushed out from the hole on the lower side of the housing 10 by pushing the push button 21c or 22c; when the VDE standard pin 23 is used, the British standard pin 21 and the US/Australian standard can be locked immediately The purpose of pin 22. After using the VED standard pin, just rotate the VDE standard pin to make it lie flat in the concave space 10c on the housing 10, at this time the reset device 50 starts to work, and the spring 52 acts on the reset rod 30e on the slide plate 30 to push The slide plate 30 slides to the original position to the right, the reset process is completed, and the whole plug returns to the original state shown in FIG. 4 .

Fig. 7 is a structural schematic diagram of the use state of the U.S./Australia standard pin 22 of the present utility model. When the U.S./Australia standard pin 22 is to be used, push the push button 22c downwards to make the tenon on the U.S./Australia standard pin 22 22a slides into the inclined chute 30b, because 30b is an inclined chute, when the American/Australian standard pin 22 slides vertically downward, the tenon 22a will generate a thrust acting on the inclined surface of the inclined chute 30b, and Push the slide plate 30 to slide a certain distance to the right, so that the tenon 21a on the British standard pin 21 and the inclined chute 30a on the slide plate 30 are staggered and the push plate 30d on the slide plate 30 slides to the two contact pins on the VDE standard pin 23 23b, that is, the British standard pin 21 cannot slide into the inclined chute 30a and the VDE standard pin 23 cannot rotate around the rotating shaft 23a. Pushing out at the hole position and turning the VDE standard pin 23 forcibly also cannot turn the VDE standard pin 23 to be vertical, realizing the purpose of locking the British standard pin 21 and the VDE standard pin 23 when using the US/Australian standard pin 22. After using the perfect/Australian standard pin, just push the push button 22c upwards to push the American/Australian standard pin back to be completely hidden in the housing. At this time, the reset device 50 starts to work, and the spring 52 acts on the reset lever 30e on the slide plate 30. Push the slide plate 30 to slide to the left to the original position, the reset process is completed, and the whole plug returns to the original state shown in FIG. 4 .

Fig. 8 is a schematic diagram of the use state of the British standard pin 21 of the present invention. When the British standard pin 21 is to be used, push the push button 21c downwards, so that the tenon 21a on the British standard pin 21 slides into the inclined chute 30a , because 30a is an inclined chute, when the British standard pin 22 slides vertically downward, the tenon 21a produces a thrust acting on the inner slope of the inclined chute 30a, and pushes the slide plate 30 to slide to the right for a certain distance, thus Make the tenon 22a on the U.S./Australian standard pin 22 stagger with the inclined chute 30b on the slide plate 30 and the push plate 30d on the slide plate 30 slide to the below of the two contact pins 23b on the VDE standard pin 23, which reaches the beauty. The /Australian standard pin 22 cannot slide into the inclined chute 30b and the VDE standard pin 23 cannot rotate around the rotating shaft 23a. And firmly rotate VDE standard pin 23 also can not rotate VDE standard pin 23 vertically, realized the purpose of locking American/Australian standard pin 22 and VDE standard pin 23 promptly when using British standard pin 21. After using the British standard plug 21, just push the push button 21c upwards to push the British standard pin 21 back to be completely hidden in the housing. At this time, the reset device 50 starts to work, and the spring 52 acts on the reset rod 30e on the slide plate 30 to push The slide plate 30 slides to the left to the original position, the reset process is completed, and the whole plug returns to the original state shown in FIG. 4 .

Fig. 9 is a schematic diagram of the structure of the British standard pin 21 of the utility model when it is in electrical contact. In order to meet the safety standards of various countries, the three standard pins will not be charged when they are not in use, and only the pins in the use state will be charged. , the present embodiment adopts the structural form in which flexible power supply connectors 40b, 40c are provided on the A/D circuit board, and electrical contacts 21b, 22b are provided on the British standard pin 21 and the US/Australian standard pin 22, and only when the British When the standard pin 21 or the American/Australian standard pin 22 is pushed out to the use state, the power connection pieces 40b, 40c contact with the electric contact pieces 21b, 22b for electrical connection.

Figure 10 is a schematic structural view of the second embodiment of the present invention. The difference between this embodiment and the first embodiment is that in this embodiment an AC socket 60 fixed in the casing is added, and the socket 60 is located on One side of the housing is electrically connected to the A/D circuit board.

Of course, the AC socket can also be replaced with a DC socket as needed; when it is set as an AC socket, its function is to input AC power through the AC socket, and then convert it into DC power through the A/D circuit board and output it through the USB interface. DC power supply; when it is set as a DC socket, its function is that the AC power input by the pins 21, 22, and 23 of the above three different national standards is converted into DC power by the A/D circuit board 40, and then output through this DC socket .

The above-mentioned AC socket can be set as various standard sockets such as American, European, or Australian as required, and similarly, the DC socket can also be set as various standard sockets such as American, European, or Australian as required.

The key point of this utility model is to set pins suitable for different national standards inside and outside the shell of a plug, and to set a slide-type self-locking mechanism between each pin, and finally to input AC power to each pin through the A/D circuit board. It is converted into DC power and output from the DC output port to realize the effect of one plug replacing the previous multiple plugs, and at the same time meet the safety requirements of various countries, so that users only need to carry such a multi-country power adapter plug when traveling to multiple countries That's it, saving the trouble of carrying multiple electrical adapter plugs in the past.

The above is only a preferred embodiment of the multi-country power adapter plug of the present utility model, and does not limit the technical scope of the present utility model, so any subtleties made to the above embodiments based on the technical essence of the present utility Amendments, equivalent changes and modifications all still belong to the scope of the technical solution of the present utility model.

Claims (7)

1. A multi-country power adapter plug, characterized in that: including A housing with two slide slots on both sides and a concave space on the other side; Three electrical pins of different national standards, two of which are respectively embedded on both sides of the built-in cavity of the shell, and each of the two electrical pins is provided with a push button that can be used to slide the two pins, and the push button is embedded in the In the chute of the casing, a tenon is protruded at the side ends of the two pins, and the other electric pin is axially connected to the concave space provided on the casing; An A/D circuit board, the A/D circuit board is embedded in the accommodating cavity inside the casing and is electrically connected to the above-mentioned electrical pins; A slide plate for realizing self-locking of the above-mentioned three electrical pins, wherein, two inclined chutes that can cooperate with the above-mentioned tenons are provided on one side of the slide plate, and a sliding slot that can act on the concave space of the housing is provided on the other side. The push plate of the electric pin is located at one side of the slide plate and is provided with a reset device that can automatically restore the original state after the slide plate is displaced. 2 . The multi-country electrical adapter plug according to claim 1 , wherein a USB interface for outputting DC power is mounted on the A/D circuit board, and the USB interface end is embedded in the casing. 3 . 3. The multi-country electrical adapter plug according to claim 1, wherein the housing is composed of an upper housing and a lower housing. 4. A multi-country electrical adapter plug according to claim 1, wherein the reset device is composed of a sleeve and a spring built in the sleeve, and the sleeve is axially connected to one end of the slide plate. 5. A multi-country electrical adapter plug according to claim 1, characterized in that: among the three electrical pins embedded in the built-in cavity of the shell are British standard pins and American/Australian standard pins, which are axially connected to VDE standard pins are used in the concave space provided on the housing. 6 . The multi-country electrical adapter plug according to claim 1 , wherein an AC socket for inputting AC power is provided on one side of the housing, and the AC socket is electrically connected to the A/D circuit board. 7. The multi-country electrical adapter plug according to claim 1, wherein a DC socket capable of outputting DC power is provided on one side of the housing, and the DC socket is electrically connected to the A/D circuit board.

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