Abstract:
The present invention relates to a USB structure with protection means, especially applying to a USB connector structure without traditional cap but still with protection function. The present invention adopts simple mechanism, spring and positioning structure, pivotal structure and rotational structure, to approach protection object, therefore it saves a lot on cost and manufacturing processes.

Description:
1. FIELD OF THE INVENTION  
         [0001]    The present invention relates to a USB connector structure with protection means, especially applying to a USB connector structure without traditional cap but still with protection function.  
         2. BACKGROUND OF PRIOR ART  
         [0002]    For the past several years, USB has being applied to the field of data communication. It is just because of its functions of fast communication speed, plug and play (PnP) and no need to restart computer, and the peripheral is then brought to a new application century, such as CD-ROM, CD Recorder, mobile hard disk, digital recorder, digital camera, digital camcorder, etc. Thus, as we can see, the USB application is already around anywhere to us.  
           [0003]    The storing interfaces of hard disk in a PC or a mobile computer, MO, floppy disk (1.4 MB), CD (600 MB) CD-RW, etc. are different, and those are disadvantageous for carrying, storing and cost. Gradually, a new product is then generated, called thumb drive, which is specially for being carried data. The thumb drive has the features of enough capacity, fast communication, easy carrying, low cost, etc., and they totally break through the bottleneck for earlier computer peripheral storing data.  
           [0004]    Please refer to FIG. 1, which is a schematic diagram of a USB plug in prior art. Normally there is a cap  11  to protect a USB connector  13 . After the cap  11  covering on the USB connector  13 , a figure of the cap  11  is just matched with a figure of a case  15 , and it seems like they become one body. The body can protect both the USB connector  13  and electrical parts (not shown in figure). During usage, cap  11  may be taken off from the case  15  and easily lost. Once cap  11  is lost, USB connector  13  may then be simply damaged. Hence, how to improve the disadvantage in prior art is the major discussion of the present invention.  
         SUMMARY OF THE INVENTION  
         [0005]    The major object of the present invention is to provide a USB connector structure with protection means to protect the USB connector, further to avoid loosing protection means in prior art.  
           [0006]    The secondary object of the present invention is to provide a USB connector structure with protection means to extend the lifetime of the USB connector, further to decrease user&#39;s cost.  
           [0007]    To further understand and recognize the object, function and characteristic of the present invention, the esteemed review committee members please refer to the detailed description and corresponding diagrams of the present invention as following: 
       
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0008]    [0008]FIG. 1 is a schematic diagram of a USB plug in prior art.  
         [0009]    [0009]FIGS. 2A and 2B are the first embodiment of the present invention.  
         [0010]    [0010]FIGS. 3A and 3B are the second embodiment of the present invention.  
         [0011]    [0011]FIGS. 4A and 4B are the third embodiment of the present invention.  
         [0012]    [0012]FIGS. 5A and 5B are the fourth embodiment of the present invention.  
         [0013]    [0013]FIGS. 6A and 6B are the fifth embodiment of the present invention. 
     
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS  
       [0014]    The present invention has being provided for business application and protection from patent law.  
         [0015]    Referring to FIG. 2, which is the first embodiment of the present invention. FIG. 2A shows a USB connector  23  being fit into a case  27 ; the USB connector  23  connects to a PCB  25 , and a bottom of the PCB  25  has a spring  29  for withstanding between the bottom of the PCB  25  and an internal surface of a bottom of the case  27 . Meanwhile the spring  29  is depressed by a positioning structure  21 . A buckling piece  215  inserts into a buckling hole  273 , other components as a poking piece  217 , an extended arm  213  and a pushing button  211  are actually with the buckling piece  25  in one body so as to keep the PCB  25  staying with the present status. When the poking piece  217  is poked up, the buckling piece  215  is then taken off from the buckling hole  273 , shown as FIG. 2B; continuously USB connector  23  is protruded out from a USB exit  271 .  
         [0016]    Referring to FIG. 3, which is the second embodiment of the present invention. FIG. 3A shows a USB connector  33  being hidden in a case  37 ; the USB connector  33  connects to a PCB  35 , and a top of the PCB  35  has a plurality of springs  39  for withstanding between an internal surface of a top of the case  37  and the top of PCB  35 . Meanwhile the springs  39  are elongated. Depressing and pushing a pushing button  311  of a positioning structure  31  upward makes that a buckling piece  315  being inserted into a buckling hole  373  because of the pushing button  311 , an extended arm  313  and the buckling piece  315  are in one body; on the other hand, pushing button  311  connects with PCB  35  so as to that USB connector  33  is protruded out from a USB exit  371 , shown as FIG. 3B. At the moment, the springs  39  are depressed, and slightly poking up a poking piece  317  to take buckling piece  315  off the buckling hole  373  for recovering back to the status shown as FIG. 3A via spring force.  
         [0017]    Referring to FIG. 4, which is the third embodiment of the present invention. As shown in FIG. 4A, a case  47  comprises a fixing case  473  and a moving case  472 . An upper part of the fixing case  473  are wrapped in the moving case  472 , and moving case  472  is capable of sliding up and down on fixing case  473 . In the meantime, plural springs  49  withstand between a PCB  45  and a top of moving case  472  and are in elongation. To press moving case  472  downward is to let that a USB connector  43  goes out of moving case  472  via a USB exit  471 , as shown in FIG. 4B.  
         [0018]    Referring to FIG. 5, which is the fourth embodiment of the present invention. As shown in FIG. 5A, a USB connector  53  is hidden in an empty place of a case  57 . The USB connector  53  pivots on a PCB  55  via a pivotal structure  59  for both structure connection and electrical connection, such as pivotal means of keyboard and LCD of general portable computer, and there are several wires in the pivotal means. The pivotal structure  59  is able to have pivotal connection with USB connector  53  for turning USB connector  53  over so as to that USB connector  53  being protruded out from a USB exit  571 , as shown in FIG. 5B.  
         [0019]    Referring to FIG. 6, which is the fifth embodiment of the present invention. The embodiment adopts a screw mechanism to protrude a USB connector out of a case. As shown in FIG. 6A, a USB connector  63  connects with a PCB  65 , which lodges with a guiding rod  611 ; namely the PCB  65  has a toothlike structure, which is just matched with the guiding rod  611 . A rotational base  61  wraps over a bottom of a case  67 , and a protruding object on the rotational base  61  cooperates with a slot on the case  67  to make that rotational base  61  can circulate on case  67 . Guiding rod  611  and rotational base  61  are in the same body, rotational base  61  is able to move PCB  65  and the USB connector  63  up and down via guiding rod  611 ; continuously USB connector  63  goes out of case  67  through a USB exit  671 .  
         [0020]    To conclude the above embodiments, the present invention adopts simple design to approach the protection purpose, such as spring and positioning structure, pivotal structure and rotational structure. As it can be seen, the present invention is capable of saving cost and manufacturing processes.  
         [0021]    The above-descriptions are the preferable embodiments of the present invention, however, the covered scope of the present invention is not limited to the embodiments shown in this invention. Any changes according to the content of the present invention and the resulted functions and characteristics are similar to the embodiments of the present invention and the ideas created by all such technology well-known persons are all belonged to the covering scopes of the present invention.