Abstract:
A box structure for fixing folding bicycle comprises a positioning device comprising a body member being connected to fold bicycle and a positioning member; and a box device comprising a body locating a chute in one side that being connected to a draw bar means and a positioning hole which providing to fasten to said positioning device by plunging said positioning member.

Description:
FIELD OF THE INVENTION  
         [0001]    The present invention relates, in general, to a box structure, and in particular, to provide a device to keep folding bicycle and couple to the folding bicycle in order to bring for convenience.  
         BACKGROUND OF THE INVENTION  
         [0002]    The bicycle is one of the tools to replace walking and it is a exercise and a leisure action in one of quality modern times. So the bicycle is very loved in modern times according to properties of exercise and leisure. In order to bring for convenience whether in habitat or go out, the structure of bicycle adapts to shrink. More important, the bicycle already has developed the folding structure, adding mobility and usability, in order to be carried by car or others vehicles. Meanwhile, the folding bicycle does not couple to box device for taking design in present. The folding bicycle is folded which could not be treasured so that it is easy to damage or harm somebody. The folding bicycle that it is hard to use in modern life such as hand-carry on safety in rapid transit, vehicles and transports results in above mention.  
         SUMMARY OF THE INVENTION  
         [0003]    Therefore it is an object of the invention to provide a box structure for fixing of folding bicycle and couple to the folding bicycle wherein the box could not encumber while riding.  
           [0004]    Another object of this invention to provide a box for fixing folding bicycle that it is easy to carry and expand the using.  
           [0005]    Still another object of this invention to provide a box to carry baggage or fixing tools.  
           [0006]    A still further object of the invention to provide a advantage for rapid, safety and convenient of combining and dismount. 
       
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0007]    The appended claims particularly point out and distinctly claim the subject matter of this invention. The various objects, advantages and novel features of this invention will be more fully apparent from a reading of the following detailed description in conjunction with the accompanying drawings in which like reference numerals refers to like parts, and in which:  
         [0008]    [0008]FIG. 1 is a schematic drawing of this pictorial invention;  
         [0009]    [0009]FIG. 2 is a schematic drawing of the body device of this invention;  
         [0010]    [0010]FIG. 3 is a schematic drawing of the positioning bar of this invention;  
         [0011]    [0011]FIG. 4 is a schematic drawing of the extend bar of this invention;  
         [0012]    FIGS.  5  to  8  is a schematic drawing of the box device of this invention;  
         [0013]    [0013]FIG. 9 is an assembly drawing for side view of this invention; and  
         [0014]    [0014]FIG. 10 is a schematic drawing for part of this invention. 
     
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT  
       [0015]    Referring to FIGS. 1 and 9, the box for fixing folding bicycle comprises a positioning device  1  and a box device  3 . The positioning device  1  includes a body member  11  which the frontward of body member  11  couples to rear rack  81  of bicycle  80  and taking a rod  12  connects backward of body member  11  and rear rack  81  of bicycle  80  in order to position of body member  11 . The body member  11  having a hollow  110  which divided into three parts by baffles the first baffle  13  locating a concavity  16  and the second  14  and third  15  baffles locating holes  17 ,  18 . (please also refer to FIG. 2) And, the backward end of body member  11  locates a stopping element  111 . The body member  11  further includes a positioning member  19  which positions the body member  11  and the box device  3 . (please also refer to FIG. 3) wherein the positioning member  19  comprises a bar  191 , a sheet bar  192  and a panel  193 . The bar  191  is located the concavity  16  of first baffle  13  through the hole  17 ,  18  of second baffle  14  and third baffle  15 , and the bar  191  locating a spring  194  and ball bearing  195  is opposed to the third baffle  15 . The sheet bar  192  is convenient to make the positioning member  19  settled on the body member  11  and shift operation by a nut  196 . And, the panel  193  installs the end  197  of the positioning member  19  which the end  197  is protrudent out of the body member  11 . The positioning member  19  couples to a extend bar  20  which could move forward and backward operation. (please refer to FIG. 4) and the extend bar  20  being tubular form locates a groove  201  on two sides and it is positioned by end of positioning member  19  when assembles with body member  11 . Referring to FIG. 10, the top of extend bar  20  is stopped by the end  197  of positioning member  19  when it couples to the body member  11 . Referring to FIG. 5, the end of the body member  11  installs a stopping element  111  which stops the extend bar  20  when moved backward end. Further more, also referring to FIG. 4, the extend bar  20  also couples to a holding device  21  which comprises two holding bars  211  and a connecting device  22 , the two holding bars  211  coupling to the connecting device  22 , and the opposed side of holding bar  211  is located to a recess  212  by locating the connecting bar  23 . The holding bar  211  couples to a connecting device  22  which connects inside of extend bar and the side of connecting device  22  locating a hole  221  couples to said groove  201  of extend bar  20  by a positioning pin  222  in order to make the holding device  21  moving in or out and keeping in the extend bar  20 . The connecting bars  23  connect each other with a fastening element  231  and couples to a connecting bar  23  between them which is a flectional connecting structure. The end of holding bar  211  locates a pulling means  24  in order that said holding bars  211  operate for convenience.  
         [0016]    Referring to FIGS.  5  to  8 , the box device  3  comprises a body  31  including wheels  312  and a handle  313  and the side of body  31  locates a alcove  33  which comprises a guiding means  34  fastened on the body  31  by positioning elements  35 , 36 . The both side of guiding means  34  locate chutes  341 . Besides, the positioning element  35  locating a hole  351  is fastened on the body  31  by a pin  191 . Further more, the box device  3  further comprises a draw bar means  37  which includes a handle  371  and drag rods  372  in both sides of it which couple to the chute  341 , and the drag rod  372  locates a groove  373  which couples to the body  31  by a pin  38  in order to limit the extend length.  
         [0017]    Referring to FIGS. 9 and 10, first the end  197  of positioning member  19  does not position to the extend bar when assembles the box device  3  and positioning device  1 . Second, the extend bar  20  takes backward and to stretch the holding bar  211  opens form extend bar  20 . The box device  31  locates onto the body device  1  and the positioning elements  35 , 36  locate respective to the extend bar and the recession of third baffle  15  of body member  11 . Also, the box device  3  is fastened by the bar  191  inserting to the hole  351  of positioning element  35 . However, the folding bicycle is folded for convenience by removing the box device  3 .  
         [0018]    While this invention has been described in reference to illustrative embodiments, this description is not intended to be construed in a limiting sense. Various modifications and combinations of the illustrative embodiments, as well as other embodiment of the invention, will be apparent to persons skilled in the art upon reference to the description. The teachings and concepts of the present invention may be applied to other types of components, systems and structures the principles of the present invention are practicable in a number of applications and technologies. It is therefore intended that the appended claims encompass any such modifications or embodiments.