Abstract:
A connecting device includes a connector and a jumper. The connector includes an enclosure and two terminals mounted in the enclosure. The two terminals are spaced apart. Each terminal includes a contact defining a latching hole. The jumper includes a case and a conductor received in the case. The conductor includes two contacting arms. Each contacting arm includes a latching portion. Each contact extends into the case, each latching portion is engaged in one of the two latching holes to mount the jumper to the connector, and the two terminals are electronically coupled to each other.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application claims priority to Chinese Patent Application No. 201410021618.6 filed on Jan. 17, 2014 in the China Intellectual Property Office, the contents of which are incorporated by reference herein. 
       FIELD 
       [0002]    The subject matter herein generally relates to connecting devices, and more particularly to a connecting device for a power supply. 
       BACKGROUND 
       [0003]    A connector includes a plurality of terminals with different functions. When users need special functions, the terminals with the special functions should be connected together. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0004]    Implementations of the present technology will now be described, by way of example only, with reference to the attached figures. 
           [0005]      FIG. 1  is an exploded, isometric view of a connecting device in accordance with an embodiment. 
           [0006]      FIG. 2  is an exploded, isometric view of a connector of the connecting device of  FIG. 1 . 
           [0007]      FIG. 3  is an exploded, isometric view of a jumper of the connecting device of  FIG. 1 . 
           [0008]      FIG. 4  is an assembled, isometric view of the connecting device of  FIG. 1 . 
           [0009]      FIG. 5  is a cross-sectional view of the connecting device of  FIG. 4 , taken along a line V-V. 
       
    
    
     DETAILED DESCRIPTION 
       [0010]    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. 
         [0011]    Several definitions that apply throughout this disclosure will now be presented. 
         [0012]    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 “substantially” is defined to be essentially conforming to the particular dimension, shape or other word that substantially modifies, such that the component need not be exact. For example, substantially cylindrical means that the object resembles a cylinder, but can have one or more deviations from a true cylinder. 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. 
         [0013]      FIG. 1  illustrates an embodiment of a connecting device including a connector  10  and a jumper  50 . 
         [0014]      FIG. 2  illustrates the connector  10  can include an enclosure  20 , a first terminal  30   a , a second terminal  30   b , and a power line  40 . 
         [0015]    The enclosure  20  defines a plurality of securing holes  22 . The plurality of securing holes  22  is configured to receive the first terminal  30   a  and the second terminal  30   b.    
         [0016]    The enclosure  20  further includes a plurality of parallel partitions  24 . Each partition  24  is located between the two adjacent securing holes  22  and defines a limiting slot  242 . The two adjacent securing holes  22  communicate with each other via the limiting slot  242 . 
         [0017]    The first terminal  30   a  can include a hollow main body  32   a . The main body  32   a  can include a top wall  322   a  and a bottom wall  324   a  substantially parallel to the top wall  322   a . The first terminal  30   a  further includes a flange  34   a  and a contact  36   a . The flange  34   a  extends slantingly from the top wall  322   a  to the bottom wall  324   a . The contact  36   a  is connected to the top wall  322   a  by the flange  34   a  and substantially parallel to the top wall  322   a . A distance between the plane of the contact  36   a  and the plane of the bottom wall  324   a  is less than a distance between the plane of the top wall  322   a  and the plane of the bottom wall  324   a . A free end of the contact  36   a  defines a latching hole  362   a . In at least one embodiment, the latching hole  362   a  is a through hole. 
         [0018]    The second terminal  30   b  can include a hollow main body  32   b . The main body  32   b  can include a top wall  322   b  and a bottom wall  324   b  parallel to the top wall  322   b . The second terminal  30   b  further includes a flange  34   b , a contact  36   b , and a mounting piece  38   b  extending from the bottom wall  324   b . The flange  34   b  extends slantingly from the top wall  322   b  to the bottom wall  324   b . The contact  36   b  is connected to the top wall  322   b  with the flange  34   b  and substantially parallel to the top wall  322   b . A distance between the contact  36   b  and the bottom wall  324   b  is less than a distance between the top wall  322   b  and the bottom wall  324   b . A free end of the contact  36   a  defines a latching hole  362   b . In at least one embodiment, the latching hole  362   b  is a through hole. The mounting piece  38   b  can include a fastening portion  382   b  configured to secure the power line  40 . In at least one embodiment, the fastening portion  382   b  is located at a free end of the mounting piece  38   b  and substantially torus. 
         [0019]      FIG. 3  illustrates the jumper  50  includes a case  60  and a conductor  70 . The case  60  can include a first inserting arm  62 , a second inserting arm  64 , and a connecting bar  66  connected to the first inserting arm  62  and the second inserting arm  64 . The first inserting arm  62  and the second inserting arm  64  extend substantially perpendicularly from two opposite sides of the connecting bar  66  and are substantially parallel to each other. 
         [0020]    The case  60  defines a receiving space  68  configured to receive the conductor  70 . The receiving space  68  can extend through two ends of the case  60 . The receiving space  68  can include a first receiving slot  682  defined in the first inserting arm  62 , a second receiving slot  684  defined in the second inserting arm  64 , and a connecting slot  686  defined in the connecting bar  66 . The first receiving slot  682 , the second receiving slot  684 , and the connecting slot  686  communicate with each other. A substantially U-shaped configuration is defined by the first receiving slot  682 , the second receiving slot  684 , and the connecting slot  686 . In at least one embodiment, the case  60  is hollow and substantially U-shaped. 
         [0021]    The conductor  70  can include a first contacting arm  72 , a second contacting arm  74 , and a connecting piece  76  connected to the first contacting arm  72  and the second contacting arm  74 . The first contacting arm  72  and the second contacting arm  74  are substantially parallel to each other and substantially perpendicular to the connecting piece  76 . A substantially U-shaped configuration is defined by the first contacting arm  72 , the second contacting arm  74 , and the connecting piece  76 . A first receiving groove  722  is defined in the first contacting arm  72  along the lengthwise direction and configured to receive the contact  36   a . A first latching portion  724  is configured to be engaged in the latching hole  362   a  and protrudes from a top surface of the first contacting arm  72  to the first receiving groove  722 . A second receiving groove  742  is defined in the second contacting arm  74  along the lengthwise direction and configured to receive the contact  36   b . A second latching portion  744  protrudes from a top surface of the second contacting arm  74  to the second receiving groove  742  and is configured to be engaged in the latching hole  362   b . In at least one embodiment, the first contacting arm  72  is the same as the second contacting arm  74 , a thickness of the connecting piece  76  is less than that of the first contacting arm  72  and the second contacting arm  74 . 
         [0022]      FIGS. 4 and 5  illustrate the connecting device of an embodiment in assembly. The first terminal  30   a  and the second terminal  30   b  are received in the two adjacent receiving holes  22 . The power line  40  is secured in the fastening portion  382   b  of the second terminal  30   b . The conductor  70  is received in the receiving space  68 . The first contacting arm  72  is received in the first receiving slot  682 , the second contacting arm  74  is received in the second receiving slot  684 , and the connecting piece  76  is received in the connecting slot  686 . A thickness of the connecting piece  76  is less than a height of the connecting slot  686 , so that a gap is defined between the connecting piece  76  and a top surface of the connecting slot  686 . The conductor  70  can be conveniently inserted into the receiving space  68  or detached from the receiving space  68  via the gap. 
         [0023]    The jumper  50  can be assembled with the connector  10  when users need to perform a special function. The first inserting arm  62  is inserted into one receiving hole  22  to engage the first terminal  30   a  with the first contacting arm  72 , the second inserting arm  64  is inserted into one receiving hole  22  to engage the second terminal  30   b  with the second contacting arm  74 , and the connecting bar  66  is engaged in the limiting slot  242 . The flange  36   a  is inserted into the first receiving groove  722  to engage the first latching portion  724  in the latching hole  362   a , the flange  36   b  is inserted into the second receiving groove  742  to engage the second latching portion  744  in the latching hole  362   b , for allowing the jumper  50  to mate to the connector  10 . The first terminal  30   a  is electronically coupled to the second terminal  30   b  by the conductor  70  of the jumper  50 . In at least one embodiment, the connector  10  can be assembled with a plurality of jumpers  50  according to requirement. 
         [0024]    The embodiments shown and described above are only examples. Many details are often found in the art such as the other features of a connecting device. Therefore, many such details are neither shown nor described. Even though numerous characteristics and advantages of the present technology have been set forth in the foregoing description, together with details of the structure and function of the present disclosure, the disclosure is illustrative only, and changes may be made in the detail, especially in matters of shape, size and arrangement of the parts within the principles of the present disclosure up to, and including the full extent established by the broad general meaning of the terms used in the claims. It will therefore be appreciated that the embodiments described above may be modified within the scope of the claims.