Abstract:
A fastener buckles a hard disk driver (HDD) in a first fasten portion of a case. The fastener comprises a second fasten portion and a third fasten portion. The second fasten portion buckles a first hole on the HDD. A first side of the third fasten portion connects with the second fasten portion. At least one part of the third fasten portion buckles the first fasten portion so that the HDD is fastened to the case.

Description:
BACKGROUND OF THE INVENTION  
       [0001]     1. Field of Invention  
         [0002]     The invention relates to a fastener and, in particular, to a fastener for buckling a hard disk drive on a case.  
         [0003]     2. Related Art  
         [0004]     Disk drives, such as floppy disk drives (FDD), hard disk drives (HDD), optical disk drives, and etc, on computers are fastened onto the case using several screws. Afterwards, power and signal cords are connected to the disk drives for normally operations.  
         [0005]     Take the case of assembling an HDD on a HDD frame as an example. As shown in  FIG. 1 , several screw holes  113  are formed on the top surface  111  and side surfaces  112  of the HDD  11 . Corresponding rectangular openings  113 ′ and circular openings  113 ″ are formed on the frame  12 . The HDD  11  is screwed onto the frame  12  with the screws  13  by using a tool, such as a screwdriver. Finally, the frame  12  is fixed inside a computer case (not shown). When an HDD  11  is out of order or needs to be replaced, it&#39;s a boring job to dismount the screws locking the computer case and the frame  12  for removing the HDD  11 . This complex procedure is very inconvenient.  
         [0006]     Since the computer consists of many electrical devices, each electrical device has to be on common ground with the entire computer, so as to avoid electrostatics and electromagnetic interference (EMI). Accordingly, the working performance of the computer can be maintained. Therefore, copper foils or elastic slices are used to make the HDD and the computer on common ground.  
         [0007]     As described above, it is extremely inconvenient and time-consuming to mount or dismount the HDD on the frame. Furthermore, additional costs are needed to purchase copper foils or elastic slices in order to solve the electrostatic and EMI problems.  
         [0008]     Therefore, it is an important subjective of the invention to provide a fastener and an electrical apparatus with the fastener to solve the above-mentioned disadvantages.  
       SUMMARY OF THE INVENTION  
       [0009]     In view of the foregoing, the invention is to provide a fastener that helps reducing the HDD assembly time.  
         [0010]     To achieve the above, a fastener of the invention buckles an HDD in a first fasten portion of a case. The fastener comprises a second fasten portion and a third fasten portion. The second fasten portion buckles a first hole of the HDD. A first side of the third fasten portion connects with the second fasten portion. At least one part of the third fasten portion buckles the first fasten portion, so that the HDD is fastened in the case.  
         [0011]     To achieve the above, the invention also provides an electrical apparatus comprising an HDD, a case, and a plurality of fasteners. The HDD has a plurality of first holes. The case has a container and a plurality of first fasten portions, where the fasteners buckle. Each of the fasteners has a second fasten portion and a third fasten portion. The second fasten portion buckles the first hole of the HDD. A first side of the third fasten portion connects to the second fasten portion. At least one part of the third fasten portion buckles the first fasten portion so that the HDD is fixed in the container of the case.  
         [0012]     As mentioned above, the fastener of the invention uses the second fasten portion to buckle the first hole of the HDD and the third fasten portion to buckle the first fasten portion. This quickly completes the processing of fixing the HDD in the container. Therefore, the HDD installation time can be reduced efficiently. In addition, since the fastener is partially made, of metal, the HDD and the computer are on common ground that can prevent the HDD from EML Certainly, the fastener can provide anti-shocking effect if it is made of rubber. 
     
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0013]     The invention will become more fully understood from the detailed description given herein below illustration only, and thus is not limitative of the present invention, and wherein:  
         [0014]      FIG. 1  is a schematic view of installing an HDD in a conventional way;  
         [0015]      FIG. 2  is a schematic view of a fastener according to a first embodiment of the invention;  
         [0016]      FIG. 3  is a schematic exploded view of the HDD and fastener according to the first embodiment of the invention;  
         [0017]      FIG. 4  is a schematic exploded view of the HDD, case and fastener according to the first embodiment of the invention;  
         [0018]      FIG. 5  is a schematic view of a part of the case according to the first embodiment of the invention;  
         [0019]      FIG. 6  is an assembly diagram of a part of the HDD, case and fastener according to the first embodiment of the invention;  
         [0020]      FIG. 7  is an assembly diagram of the HDD, case and fastener according to the first embodiment of the invention;  
         [0021]      FIG. 8  is a schematic view of a fastener according to a second embodiment of the invention;  
         [0022]      FIG. 9  is a schematic exploded view of the HDD and fastener according to the second embodiment of the invention;  
         [0023]      FIG. 10  is a schematic exploded view of the HDD, case and fastener according to the second embodiment of the invention; and  
         [0024]      FIG. 11  is a schematic view of the bottom of an electrical apparatus according to a third embodiment of the invention. 
     
    
     DETAILED DESCRIPTION OF THE INVENTION  
       [0025]     The present invention will be apparent from the following detailed description, which proceeds with reference to the accompanying drawings, wherein the same references relate to the same elements.  
         [0026]     As shown in  FIG. 2 , the fastener  21  according to a first embodiment of the invention includes a second fasten portion  211  and a third fasten portion  212 . The second fasten portion  211  is a cylinder. In this embodiment, one end of the second fasten portion  211  includes at least one groove  2111 , which divides the second fasten portion  211  into several second elastic arms  2112 .  
         [0027]     In the present embodiment, the fastener  21  further includes a first stop part  213 , which is connected to a second side  2122  of the third fasten portion  212 . A first side  2121  of the third fasten portion  212  is connected to the second fasten portion  211 . For example, the third fasten portion  212  is a cylinder, and the first stop part  213  is a circular plate. The fastener  21  also includes an elastic slice  214  positioned on the third fasten portion  212 . For example, the elastic slice  214  is also a circular plate installed opposite to the first stop part  213 . To be noted, the material of the fastener  21  is, in this embodiment, rubber or some other elastic materials, and the material of the elastic slice  214  is an elastic material, such as a metal.  
         [0028]     As shown in  FIG. 3 , the HDD  22  has several first holes  221  on one side surface or a top surface of the HDD  22 . In this embodiment, the first holes  211 , which are screw holes, are formed on side surfaces of the HDD  22 .  
         [0029]     With reference to  FIG. 4 , the case  2  has a container  23 , and a plurality of first fasten portions  231  are formed on two opposite sidewalls of the container  23 . In the current embodiment, the number and positions of the first fasten portions  231  are in accordance with those of the first holes  221  on the HDD  22  shown in  FIG. 3 .  
         [0030]     As shown in  FIG. 5 , the first fasten portion  231  is formed by several fist elastic arms  2311 . The first fasten portion  231  has a rectangular opening  2312  and a circular hole  2313 , connected with each other.  
         [0031]     For a better understanding of the invention, an explicit example is taken to explain the fastener according to this embodiment of the invention.  
         [0032]     With reference to  FIG. 3  again, the second fasten portion  211  of the fastener  21  is buckled to the first hole  221  on the HDD  22 . Thus, the second elastic arms  2112  are inserted into the first hole  221 , and the connection of the second elastic arms  2112  and first hole  221  is maintained. In this embodiment, four fasteners  21  are used to buckle the four first holes  221  on the HDD  22 .  
         [0033]     As shown in FIGS.  4  to  6 , the HDD  22  is installed in the first fasten portion  231  of the case  2 . In this embodiment, the first fasten portion  231  is disposed in the container  23 . When the HDD  22  is mounted to the container  23 , the fastener  21  buckles the first fasten portion  231 . That is, at least a part of the third fasten portion  212  buckles into the first elastic arms  2311 . In other words, the third fasten portion  212  buckles the circular hole  2313  of the first fasten portion  231 . At this moment, the first elastic arms  2311  are located between the elastic slice  214  and the first stop part  213 , and the elastic slice  214  is in contact with the HDD  22 . This fixes the HDD  22  in the case  2 , as shown in  FIG. 7 .  
         [0034]     As shown in  FIGS. 2, 5  and  6 , the third side  2131  of the first stop part  213  is in contact with the fourth side  2314  of the first fasten portion  231 , which is an outer wall of the container  23 . Moreover, the material of the fastener  21  is rubber, which can provide an anti-shocking effect for the HDD  22 . The material of the elastic slice  214  is a metal. In this case, the HDD  22  and the container  23  have the same ground, which can prevent the HDD  22  from EML  
         [0035]     As shown in  FIG. 8 , a fastener  31  according to a second embodiment of the invention includes a second fasten portion  311 , a third fasten portion  312 , a first stop part  313 , a second stop part  315 , and at least a fourth fasten portion  316 . The structures and features of the second fasten portion  311 , the third fasten portion  312 , and the first stop part  313  are the same as those in the previous embodiment, so the detailed descriptions are omitted for concise purpose.  
         [0036]     The second stop part  315  is positioned on the third fasten portion  312 . In this embodiment, the second stop part  315  has a U shape. The fourth fasten portion  316  protrudes from the second stop part  315 . In this embodiment, the fourth fasten portion  316  is a cylinder.  
         [0037]     For a better understanding of the invention, we use an explicit example to explain the fastener according to a preferred embodiment of the invention.  
         [0038]     As shown in  FIG. 9 , the second fasten portion  311  of the fastener  31  is buckled to the first hole  211  of the HDD  22 . The fourth fasten portion  316  is buckled to the second hole  222  of the HDD  22 . In this embodiment, four fasteners  31  are used to buckle the four first holes  221  and second holes  222  of the HDD  22 . The first holes  221  are located on one side surface of the HDD, and the second holes  222  are located on a top surface of the HDD  22 .  
         [0039]     As shown in  FIG. 10 , the second stop part  315  covers at least a part of the side surfaces and the top surface of the HDD  22 . The HDD  22  is then buckled to the first fasten portion  231  of the case  2 . In this embodiment, the first fasten portion  231  is set in the container  23 , where the HDD  22  is disposed. Thus, the fastener  31  can buckle the first fasten portion  231  so as to fix the HDD  22  inside the case  2 . Moreover, the fastener  31  can provide an anti-shocking effect if it is made of rubber.  
         [0040]     As shown in  FIG. 11 , an electrical apparatus  4  according to a third embodiment of the invention contains an HDD  41 , a case  42 , and a plurality of fasteners  43 . In this embodiment, the electrical apparatus  4  is a laptop computer. The configuration and composition of the HDD  44 , the case  42 , and the fasteners  43  are the same as those described in the previous embodiments, so the detailed descriptions are omitted for concise purpose.  
         [0041]     In summary, the fastener of the invention uses the second fasten portion to buckle the first hole on the HDD and the third fasten portion to buckle the first fasten portion. This quickly completes the processing of fixing the HDD in the container. Therefore, the invention can reduce the HDD installation time. In addition, the fastener can provide anti-shocking effect if it is made of rubber. Moreover, the metal elastic slice makes the HDD and the computer have the same ground, so as to prevent the HDD from EMI.  
         [0042]     Although the invention has been described with reference to specific embodiments, this description is not meant to be construed in a limiting sense. Various modifications of the disclosed embodiments, as well as alternative embodiments, will be apparent to persons skilled in the art. It is, therefore, contemplated that the appended claims will cover all modifications that fall within the true scope of the invention.