Abstract:
A power adapter includes a body, a plug, and an operation board. The plug is detachably received in and electrically connected to the body. The plug has an engagement slot. The operation board is rotatably received in the body and includes a hook, a pressing portion and a pop portion. The hook latches to the engagement slot to secure the plug to the body. The pressing portion is pressed by external forces. The pop portion is positioned below the plug. When the pressing portion receives an external force, the pressing portion rotates towards the body and drives the pop portion to rotate away from the body, whereby the pop portion pops up the plug from the body.

Description:
FIELD 
     The subject matter herein generally relates to a power adapter, and particularly relates to a power adapter conveniently changing a connector. 
     BACKGROUND 
     Different places in the world use different sockets and plugs since there are different voltages and security requirements in different places. Normally, a plug of a power adapter can be only applied to one type of socket, which may cause troublesome when user travelling internationally. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       Implementations of the present technology will now be described, by way of example only, with reference to the attached figures. 
         FIG. 1  is an isometric view of an exemplary embodiment of a power adapter. 
         FIG. 2  is an exploded view of the power adapter of  FIG. 1 . 
         FIG. 3  is an isometric view of a plug of the power adapter of  FIG. 2 . 
         FIG. 4  is a cross-sectional view of the power adapter of  FIG. 1 . 
         FIG. 5  is an isometric view of the power adapter in another state. 
     
    
    
     DETAILED DESCRIPTION 
     It will be appreciated that for simplicity and clarity of illustration, where appropriate, reference numerals have been repeated among the different figures to indicate corresponding or analogous elements. In addition, numerous specific details are set forth in order to provide a thorough understanding of the embodiments described herein. However, it will be understood by those of ordinary skill in the art that the embodiments described herein can be practiced without these specific details. In other instances, methods, procedures and components have not been described in detail so as not to obscure the related relevant feature being described. Also, the description is not to be considered as limiting the scope of the embodiments described herein. The drawings are not necessarily to scale and the proportions of certain parts may be exaggerated to better illustrate details and features of the present disclosure. 
     Several definitions that apply throughout this disclosure will now be presented. 
     The term “coupled” is defined as connected, whether directly or indirectly through intervening components, and is not necessarily limited to physical connections. The connection can be such that the objects are permanently connected or releasably connected. The term “comprising,” when utilized, means “including, but not necessarily limited to”; it specifically indicates open-ended inclusion or membership in the so-described combination, group, series and the like. 
       FIG. 1  illustrates an exemplary embodiment of a power adapter  100 , which is configured to be coupled to a power socket to charge for an electronic device. The power adapter  100  includes a body  10 , a plug  20 , and an operation board  30 . 
     Referring to  FIG. 2 , the body  10  includes a first groove  11 , a guiding slot  12 , a second groove  13 , a pair of conductive columns  14  and a fixing board  15 . The body  10  further includes a top surface  102  and a side surface  104  adjacent to the top surface  102 . A portion of the top surface  102  recesses to form the first groove  11 . In at least one embodiment, the first groove  11  is substantially square and includes a bottom wall  112 . A first receiving groove  114  and a second receiving groove  116  are formed by recessing from the bottom wall  112 . The first receiving groove  114  is adjacent to the second receiving groove  116 . The conductive columns  14  are received in the first receiving groove  114  in parallel and configured to electrically connect the plug  20  and a circuit board (not shown) of the body  10 . 
     The guiding slot  12  is formed by recessing a portion from the side surface  104 . The guiding slot  12  is communicated with the first groove  11 . An end surface of the guiding slot  12  away from the first groove  11  defines a hole  122 . The second groove  13  is formed by recessing a portion from the top surface  102  and communicated with the first groove  11 . In at least one embodiment, the second groove  13  is substantially rectangular. The second groove  13  has a smaller width and a greater depth than that of the first groove  11 . A lower portion of the second groove  13  extends to a below of the first groove  11  and adjacent to the second groove  116 . The fixing board  15  is mounted on a bottom of the second groove  13  and extends to a below of the bottom wall  112 , while a portion of the fixing board  15  is exposed by the second groove  116 . The fixing board  15  is configured to secure the operation board  30 . 
     Referring to  FIGS. 2 and 3 , the plug  20  includes a main portion  22 , a conductive portion  24 , pins  26 , an engagement slot  28 , and a protrusion  29 . The main portion  22  is substantially L-shaped and detachably received in the first groove  11  and the guiding slot  12 . The conductive portion  24  is substantially column shaped and formed by protruding from an internal surface of the main portion  22 . The conductive portion  24  is received in the first receiving groove  114  and electrically connected to the conductive columns  14 . The conductive portion  24  defines conductive holes (not shown) for receiving the conductive columns  14 . In at least one embodiment, the plug  20  includes two conductive portions  24  for receiving the conductive columns  14 . The pins  26  are formed by protruding from an end of the main portion  26  away from the conductive portion  24 . The pins  26  are configured to be coupled to the socket for conducting electricity. In at least one embodiment, the conductive columns  14  extend along a Z-axis direction and the pins  26  extend along a Y-axis direction. The engagement slot  28  is defined on an end of the main portion  22  and adjacent to the conductive portion  24 . The engagement slot  28  is configured to secured the operation board  30 . The protrusion  29  is formed by protruding from an end of the main portion  22  away from the engagement slot  28  and configured to be coupled to the hole  122  for securing an end of the main portion  22  to the body  10 . 
     A quantity of the pins  26  and a structure of the pins  26  can be multiple, which can be adapted to different standard sockets in different places. In at least one embodiments, the quantity of the pins  26  can be two and the structure can be substantially rectangular sheet. 
     Referring to  FIGS. 2, 3, and 4 , the operation board  30  is substantially ladder-shaped and includes a shaft  31 , an elastic piece  32 , a pop portion  33 , a connecting portion  34  and a pressing portion  35 . The shaft  31  is mounted between the fixing board  15  and the bottom wall  112 . The pop portion  33  and the pressing portion  35  are perpendicularly connected to opposite ends of the connecting portion  34  and extend in opposite directions. The end of the connecting portion  34  connecting the pop portion  33  is secured to the shaft  31 , while the other end connecting the pressing portion  35  forms a hook  36 . The hook  36  is configured to latch to the engagement slot  28  to limit a movement of the plug  20  in a Z-axis direction, thereby preventing the plug  20  falling off from the body  10 . The elastic piece  32  hitches the shaft  31  and is elastically resisted to the connecting portion  34  and the fixing board  15 . Thus, the operation board  30  can rotate corresponding to the body  10  based on the shaft  31 , and the elastic piece  32  provides an elastic restoring force. The pop portion  33  is received in the second receiving groove  116  and adjacent to the first receiving groove  114 . The pop portion  33  is coplanar with the bottom wall  112  is configured to pop up the plug  20 . The pressing portion  35  is configured to be pressed by the user. In at least one embodiment, the operation board  30  can be formed by plastic injection molding. 
     In manufactory, the operation board  30  is received in the second groove  13 , the pop portion  33  is received in the second receiving groove  116 . The pop portion  33  and the shaft  31  are mounted the fixing board  15 , the elastic piece  32  hitches the shaft  31  and is elastically resisted to the connecting portion  34  and the fixing board  15 . The pressing portion  35  is coplanar with the top surface  102  of the body and capable of rotating in the second groove  13  circumfusing the shaft  31 . The plug  20  slides along the guiding slot  12  to be received in the first groove  11  and the guiding slot  12 . The protrusion  29  is engaged to the hole  122  to secured an end of the plug  20  to the body  10 . The conductive portion  24  is received in the first receiving groove  114  and electrically connected to the conductive columns  14 . The pins  26  extend outwardly for being connected to the socket. The engagement of the conductive portion  24  and the first receiving groove  114  and the engagement of the protrusion  29  and the hole  122  can limit a movement of the plug  20  in the X-axis and the Y-axis directions. The end of the main portion  22  having the engagement slot  28  is overlapped above the pop portion  33 , the hook  34  latched to the engagement slot  28  to secure the plug  20  on the body  10 . 
     Referring to  FIG. 5 , when the user need to change the plug  20  to adapt to different standard sockets, may press the pressing portion  35  to force the pressing portion  35  to rotate towards the fixing board  15 . The pop portion  33  rotates away from the fixing board  15  to push the main portion  22 , thus the hook  36  detaches from the engagement slot  28 , therefore, the pop portion  33  pops up the plug  20 . Then another plug  20  with different standard pins  26  can be changed to the body  10 . 
     The power adapter  100  can easily secure and pop up the plug  20  via the operation board  30 , thus, the power adapter  100  can conveniently change different standard plugs  20  to be adapted to different standard sockets, which has a great universality and practicability. 
     It is believed that the embodiments and their advantages will be understood from the foregoing description, and it will be apparent that various changes may be made thereto without departing from the scope of the disclosure or sacrificing all of its advantages, the examples hereinbefore described merely being illustrative embodiments of the disclosure.