Patent Publication Number: US-2016227662-A1

Title: Electronic device

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application claims priority to Chinese Patent Application No. 201510045923.3 filed on Jan. 29, 2015, the contents of which are hereby incorporated by reference. 
     FIELD 
     The subject matter herein generally relates to an electronic device. 
     BACKGROUND 
     An electronic device generally includes a chassis and a plurality of components. The chassis generally includes a chassis body to receive the components and a cover configured to cover the components, and the cover is usually secured to the chassis body by a number of fasteners or slidably mounted to the chassis body. 
    
    
     
       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 exploded, isometric view of an electronic device in accordance with a first embodiment. 
         FIG. 2  is an assembled, isometric view of the electronic device of the  FIG. 1 , wherein an opening of a chassis is closed. 
         FIG. 3  is similar to  FIG. 2 , but the opening is shown. 
         FIG. 4  is an exploded, isometric view of an electronic device in accordance with a second embodiment. 
         FIG. 5  is an assembled, isometric view of the electronic device of  FIG. 4 . 
         FIG. 6  is an exploded, isometric view of an electronic device in accordance with a third embodiment. 
         FIG. 7  is an assembled, isometric view of the electronic device of  FIG. 7 . 
     
    
    
     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 “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. 
       FIG. 1  illustrates a first embodiment of an electronic device can include a chassis  10 , a cover  20   a  configured to be coupled to the chassis  10 , a circuit board  30  received in the chassis  10 , and a power supply  40  mounted in the chassis  10  and electronically coupled to the circuit board  30 . The circuit board  30  includes a plurality of electronic components, such as control process units. 
     The chassis  10  defines an opening  11  and can include a first sidewall  12 , a second sidewall  13 , a front wall  14 , a second wall  15 , and a bottom wall  16 . The circuit board  30  is secured on the bottom wall  16 . The first sidewall  12  and the second sidewall  13  extend from two opposite sides of the bottom wall  16  and are parallel to each other. The front wall  14  and the rear wall  15  extend perpendicularly from two another opposite sides of the bottom wall  16  and are parallel to each other. The rear wall  15  defines a plurality of vents. The opening  11  is defined by the first sidewall  12 , the second sidewall  13 , a front wall  14 , and a rear wall  15 . The circuit board  30  and the power supply  40  can be inserted through the opening  11  to be mounted in the chassis  10 . In at least one embodiment, the chassis  10  is made of metal. 
     The cover  20   a  can include a base plate  21 , a first side plate  22 , and a second side plate  23 . The base plate  21  is configured to cover the opening  11 . The first side plate  22  and the second side plate  23  are located at two opposite sides of the base plate  21 . The cover  20   a  further includes a shielding layer  211  located on an inner surface of the base plate  21 . The shielding layer  211  is made of metal. The first side plate  22  and the second side plate  23  extend from the base plate  21 , and the first side plate  22  and the second side plate  23  are rotatable relative to the base plate  21 . The cover  20   a  is made of paper, a plurality of parallel folds  25  is pressed in the cover  20   a,  and the cover  20   a  is foldable along the plurality of folds  25  to form the base plate  21 , the first side plate  22 , and the second side plate  23 . 
     The electronic device further includes a mounting member  50  and an engaging member  60  configured to engage with the mounting member  50 . The mounting member  50  is attached to an inner surface of the first side plate  22  adjacent to a free end. The engaging member  60  is attached to an outer surface of the first sidewall  12  and adjacent to the bottom wall  16 . The mounting member  50  can be a magnetic strip, a hook, or a slot. The engaging member  60  corresponding to the mounting member  50  can be a magnetic strip, a slot or a hook. 
       FIG. 2  illustrates the cover  20   a  is coupled to the chassis  10 . The second side plate  23  is fixed on the second sidewall  13 , and the mounting member  50  is engaged with the engaging member  60 . The cover  20   a  is mounted to the chassis  10 . The first side plate  22  covers the first sidewall  12 , the second side plate  23  covers the second sidewall  13 , and the opening  11  is closed by the base plate  21 . The shielding layer  211  can prevent electromagnetic interference generated from the plurality of electronic components from egression from the chassis  10  via the opening  11 . The first side plate  22  and the second side plate  23  are substantially perpendicular to the base plate  21  and parallel to each other. The second side plate  23  can be secured to the second sidewall  13  by pasting, locking, magnetic attraction, and so on. 
       FIG. 3  illustrates the cover  20   a  is opened. When the circuit board  30  and the power supply  40  need to be mounted in or removed from the chassis  10 , the first side plate  12  is moved to disengage the mounting member  50  from the engaging member  60 . The first side plate  22  and the base plate  21  rotate relative to the second side plate  23 , and the opening  11  is shown. The first side plate  22  is rotatable relative to the base plate  21 . 
       FIG. 4  illustrates a second embodiment of an electronic device includes the chassis  10 , a cover  20   b,  the circuit board  30 , the power supply  40 , the mounting member  50 , and the engaging member  60 . The cover  20   b  is similar to the cover  20   a.  The difference between the cover  20   b  and the cover  20   a  is the cover  20   b  further includes a bottom plate  26  extending from the second side plate  23 , and the bottom plate  26  and the base plate  21  are located at two opposite sides of the second side plate  23 . 
       FIG. 5  illustrates the second embodiment of the cover  20   b  is coupled to the chassis  10 . The way of opening and closing the cover  20   b  in the second embodiment is similar to the way in the first embodiment. The difference is the bottom plate  26  is fixed on the bottom wall  16  by pasting, locking, magnetic attraction, and so on. The cover  20   b  surrounds the chassis  10 . 
       FIG. 6  illustrates a third embodiment of the electronic device includes the chassis  10 , a cover  20   c,  the circuit board  30 , the power supply  40 , the mounting member  50 , and the engaging member  60 . The cover  20   c  is similar to the cover  20   b.  The difference between the cover  20   c  and the cover  20   b  is the cover  20   c  further includes a third plate  27  extending from the second side plate  23 . The third side plate  27  and the second side plate  23  are located at two opposite sides of the bottom plate  26 . 
       FIG. 7  illustrates the cover  20   c  is coupled to the chassis  10 . The mounting member  50  is attached to an inner surface of the first side plate  22 , and the engaging member  40  is attached to an outer surface of the third side plate  27  and adjacent to a free end of the third side plate  27 . The bottom plate  26  is fixed on the bottom wall  16 , the second side plate  23  is fixed on the second sidewall  13 , the third side plate  27  is fixed on the first sidewall  22 , and the cover  20   c  is mounted to the chassis  10 . 
     The first side plate  22  and the base plate  21  are rotatable to engage the mounting member  50  with the engaging member  60 . The opening  11  is covered by the base plate  21 , the first side plate  22  covers the third plate  27 , and the chassis  10  is surrounded by the cover  20   c.  The third plate  27  and the second side plate  23  are substantially perpendicular to the bottom plate  26  and parallel to each other. The base plate  21  and the bottom plate  27  are substantially parallel to each other. 
     The embodiments shown and described above are only examples. Many details are often found in the art such as the other features of an electronic 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.