CN209787035U - Portable power adapter - Google Patents

Abstract

The utility model relates to the technical field of power adapters, and in particular to a portable power adapter, comprising a power adapter body and a main circuit board, wherein the main circuit board is installed inside the power adapter body, one end of the power adapter body is provided with a mounting portion, and a stretching mechanism is provided inside the mounting portion, the output terminal connecting line of the power adapter body is wound around the stretching mechanism and can be stretched to a required length, the socket can be rotatably installed on the power adapter body, and a USB interface is also provided on the power adapter body. The utility model adopts a stretching mechanism to wind the output terminal connecting line of the power adapter body around the stretching body to prevent the output terminal connecting line from being tangled, and the utility model is provided with a USB interface on the power adapter body, which is convenient for charging smart devices such as mobile phones, and the socket of the utility model can be rotatably arranged, which is convenient for users to carry.

Description

A portable power adapter

technical field

The utility model relates to the technical field of power adapters, in particular to a portable power adapter.

Background technique

At present, as a power supply conversion device for many electronic devices, power adapters are commonly used in small electronic products such as mobile phones, LCD monitors, and notebook computers, and are widely used in various environments. The need to carry multiple power adapters increases the burden on people's travel.

Utility model content

Aiming at the problems of the prior art, the utility model provides a portable power adapter with a USB interface.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

The utility model provides a portable power adapter, comprising a power adapter body and a main circuit board, the main circuit board is installed inside the power adapter body, one end of the power adapter body is provided with a mounting portion, and the mounting portion is inside A stretching mechanism is provided, and the output end connecting wire of the power adapter body is wound on the stretching mechanism and can be stretched to a required length. A torsion spring is arranged in the stretching mechanism, and the torsion spring is provided There is a control button, the output end connecting line is connected to the output end, the power adapter body is provided with a mounting slot for use with the output end, and the other end of the power adapter body is provided with a socket, the socket can be It is rotatably mounted on the power adapter body, and the power adapter body is also provided with a USB interface, and the socket, the USB interface, and the output end connecting line are all electrically connected to the main circuit board.

Preferably, there are multiple USB interfaces.

Preferably, a wireless charging coil is also provided inside the power adapter body, and the wireless charging coil is electrically connected to the main circuit board.

Preferably, the stretching mechanism includes a pulley, an annular groove is arranged in the pulley, the output end connecting wire is wound in the annular groove, and the torsion spring is installed in the pulley.

Preferably, the socket is provided with a rotating shaft, the main body of the power adapter is provided with a vacant part, the rotating shaft is installed in the vacant part, and the socket is installed on the rotating shaft.

Preferably, the length of the terminal of the socket is greater than the depth of the recess.

Preferably, a connection portion is provided outside the power adapter body, and a connection terminal is provided inside the connection portion, and the connection terminal is electrically connected to the main circuit board.

Preferably, heat dissipation ribs are provided outside the power adapter body, and the power adapter body is made of plastic material.

The beneficial effects of the present utility model:

The utility model provides a portable power adapter, comprising a power adapter body and a main circuit board, the main circuit board is installed inside the power adapter body, one end of the power adapter body is provided with a mounting portion, and the mounting portion is inside A stretching mechanism is provided, and the output end connecting wire of the power adapter body is wound on the stretching mechanism and can be stretched to a required length. A torsion spring is arranged in the stretching mechanism, and the torsion spring is provided There is a control button, the output end connecting line is connected to the output end, the power adapter body is provided with a mounting slot for use with the output end, and the other end of the power adapter body is provided with a socket, the socket can be It is rotatably installed on the power adapter body, and the power adapter body is also provided with a USB interface, and the socket, the USB interface, and the output end connecting line are all electrically connected to the main circuit board, which is in line with the traditional Compared with the power adapter, the utility model uses a stretching mechanism to wrap the output end connecting wire of the power adapter body inside the stretching body to prevent the output end connecting wire from being knotted, and the utility model is provided with a USB interface on the power adapter body. , it is convenient to charge smart devices such as mobile phones, and the socket of the utility model can be rotatably arranged, which is convenient for users to carry.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

Fig. 2 is another structural schematic diagram of the utility model. The reference numerals are respectively:

Power adapter body--1, installation part--2, tension mechanism--3, torsion spring--4, control button--5, output terminal cable--6, output terminal--7, installation slot-- 8, socket--9, USB interface--10, wireless charging coil--11, pulley--12, annular groove--13, rotating shaft--14, give way part--15, connecting part--16 , Connecting Terminals--17, Heat Dissipating Ribs--18.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the embodiments and the accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention. The present utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 and 2, a portable power adapter provided by the present invention includes a power adapter body 1 and a main circuit board, the main circuit board is installed inside the power adapter body 1, and the power adapter body 1 One end of the power adapter is provided with a mounting portion 2, and a stretching mechanism 3 is provided in the mounting portion 2. The output end connecting wire 6 of the power adapter body 1 is wound on the stretching mechanism 3 and can be stretched to a desired length. , the stretching mechanism 3 is provided with a torsion spring 4, the torsion spring 4 is provided with a control button 5, the output end connecting line 6 is connected to the output end 7, and the power adapter body 1 is provided with all The installation slot 8 used in conjunction with the output end 7, the other end of the power adapter body 1 is provided with a socket 9, the socket 9 can be rotatably installed on the power adapter body 1, and the power adapter body 1 is also provided with There is a USB interface 10, the socket 9, the USB interface 10, and the output end connecting line 6 are all electrically connected to the main circuit board. Compared with the traditional power adapter, the present invention adopts a stretching mechanism 3 The output end connecting wire 6 of the power adapter body 1 is wound inside the stretching body to prevent the output end connecting wire 6 from being knotted, and the utility model is provided with a USB interface 10 on the power adapter body 1, which is convenient for charging smart devices such as mobile phones. , and the socket 9 of the present invention can be rotatably arranged, which is convenient for users to carry.

In this embodiment, there are multiple USB ports 10, which can charge multiple mobile electronic devices at the same time.

In this embodiment, the power adapter body 1 is also provided with a wireless charging coil 11. The wireless charging coil 11 is electrically connected to the main circuit board. The wireless charging coil 11 can be used for smart devices with wireless charging function. Charging can reduce the need for people to carry data cables when they go out.

In this embodiment, the stretching mechanism 3 includes a pulley 12 , an annular groove 13 is provided in the pulley 12 , the output end connecting wire 6 is wound in the annular groove 13 , and the torsion spring 4 is installed In the pulley 12, specifically, when the user pulls the output end connecting wire 6, the pulley 12 rotates to release the output end connecting wire 6 inside the annular groove 13, and the torsion spring 4 generates torque during this process. , when the control button 5 is pressed, the torque of the torsion spring 4 drives the pulley 12 to rotate in the opposite direction, and the output end connecting wire 6 is received into the annular groove 13 of the pulley 12 .

In this embodiment, the socket 9 is provided with a rotating shaft 14 , the power adapter body 1 is provided with a space-saving part 15 , the rotating shaft 14 is installed in the space-saving part 15 , and the socket 9 is installed On the rotating shaft 14 , specifically, during use, the socket 9 is rotated out from the escaping portion 15 , and when the use is completed, the socket 9 is stored in the escaping portion 15 along the opposite direction.

In this embodiment, in order to facilitate the user to rotate the socket 9 , the length of the terminals of the socket 9 is greater than the depth of the escape portion 15 .

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention is disclosed as a preferred embodiment, it is not intended to limit the present Professional and technical personnel, within the scope of the technical solution of the present invention, make some changes or modifications to equivalent examples of equivalent changes by using the technical content disclosed above, provided that they do not depart from the content of the technical solution of the present invention, according to the present invention. The utility model technology refers to any simple modification, equivalent change and modification made to the above embodiments, which all belong to the scope of the technical solution of the present utility model.

Claims (8)

1. A portable power adapter, characterized in that: comprises a power adapter body and a main circuit board, wherein the main circuit board is arranged in the power adapter body, one end of the power adapter body is provided with a mounting part, a stretching mechanism is arranged in the mounting part, the output end connecting wire of the power adapter body is wound on the stretching mechanism and can be stretched to a required length, a torsion spring is arranged in the stretching mechanism, a control button is arranged at the torsion spring, the output end connecting wire is connected with an output end, the power adapter body is provided with a mounting groove matched with the output end for use, the other end of the power adapter body is provided with a socket, the socket can be rotatably arranged on the power adapter body, the power adapter body is also provided with a USB interface, the socket, the USB interface and the output end connecting wire are electrically connected with the main circuit board.

2. The portable power adapter as claimed in claim 1, wherein: the USB interface is provided with a plurality of.

3. The portable power adapter as claimed in claim 1, wherein: the inside wireless charging coil that still is provided with of power adapter body, wireless charging coil with main circuit board electric connection.

4. The portable power adapter as claimed in claim 1, wherein: the stretching mechanism comprises a pulley, an annular groove is formed in the pulley, the output end connecting wire is wound in the annular groove, and the torsion spring is installed in the pulley.

5. The portable power adapter as claimed in claim 1, wherein: the socket is provided with a rotating shaft, a position yielding part is arranged at the position of the power adapter body, the rotating shaft is arranged in the position yielding part, and the socket is arranged on the rotating shaft.

6. The portable power adapter as claimed in claim 5, wherein: the length of the terminal of the socket is larger than the depth of the yielding part.

7. The portable power adapter as claimed in claim 1, wherein: the power adapter body is provided with connecting portion in the outside, connecting terminal is provided with in the inside connecting portion, connecting terminal with main circuit board electric connection.

8. The portable power adapter as claimed in claim 1, wherein: the power adapter body is externally provided with a heat dissipation rib and is made of plastic materials.