Abstract:
The present invention relates to a door handle installation structure of a refrigerator which is capable of installing a door handle more securely to a door of a refrigerator, separating the door handle freely from the door as occasion demands, repairing or replacing the door handle easily when they are damaged, comprising a door having an insulating layer formed inside and at least one combining hole at the front, a holder combined to the front surface of the door having at least one horizontal combining hole and a longitudinal combining hole, a door handle combined to the other side of the holder having a hollow area inside and at least one insertion hole punched on a side of the outer circumference toward the door, a holder combining mean for combining the door to the other side of the holder, and a door handle combining mean for combining the door handle to the other portion of the holder.

Description:
BACKGROUND OF THE INVENTION 
     1. Field of the Invention 
     The present invention relates to a door handle installation structure of a refrigerator, and in particular to a door handle installation structure of a refrigerator which is capable of installing the door handle more securely to a door of the refrigerator. 
     2. Description of the Prior Art 
     In the conventional refrigerator, a door handle is installed on the front of a door for opening/closing selectively a cooling storage inside of the refrigerator. 
     As depicted in FIG.  1  and FIG. 2, a door handle  5  installed on a door  1  of the conventional refrigerator is formed as a bar shape having a long length in the comparison with a diameter, and is combined to the door  1  by a holder  7  placed between them. 
     Hereinafter, the conventional door handle installation structure of the refrigerator will now be described in more detail. 
     First, an insulating layer  2  is formed inside of the door  1 , and a bracket  3  is combined between the inner side surface of the door  1  and the insulating layer  2 . 
     The holder  7  placed outer surface of the door corresponding to the bracket  3  is fastened to the bracket  3  by a first fastening screw  4 . 
     The door handle  5  placed outer surface of the holder  7  is combined to the holder  7  by a second fastening screw  8 , accordingly the door handle  5  is installed on the door  1 . 
     A non-described reference numeral  6  is a filling member for shielding inner hollow area of the door handle  5 , and fastening the second fastening screw  8  more securely to the door handle  5  by being filled the inner hollow area of the door handle  5 . 
     Above-described combining structure is for the upper part structure of the door handle  5 , the lower part structure of the door handle is not depicted, because it has a same structure with the upper part. 
     In the conventional door handle installation structure of the refrigerator, the installation operation for installing the door handle  5  to the door  1  will now be described. 
     First, the door handle  5  and holder  7  are fastened by the second fastening screw  8 . 
     When the bracket  3  is placed inner surface of the door  1  before the insulating layer  2  is formed, the first fastening screw  4  fastens the holder  7  to the front surface of the door by penetrating the bracket  3  from the inside of the door  1 , and the insulating layer  2  is formed inside of the door  1 . 
     After forming the insulating layer  2 , a foaming agent is sprayed inside of the door  1  and is hardened, accordingly the installation of the door handle of the refrigerator is accomplished. 
     However, the conventional door handle installation structure of the refrigerator has below problems. 
     First, in the conventional technology the forming structure of the insulating layer is complicated because the insulating layer is formed inside of the door after combining the door handle to the door, and the shape of the door can be distorted due to the insulating layer forming process. 
     In other words, in order to form the insulating layer, an additional complicated breach for placing the door handle has to formed on a door foaming jig supporting the door, accordingly the shape of the door foaming jig is complicated. 
     In addition, the surface of the door contacted to the door handle can be uneven and protruded after forming the insulating layer because the surface of the door corresponding to the door handle is not directly supported by the door foaming jig. 
     In addition, the bracket and fastening screw are fixed while the insulating layer is formed after the door handle is combined to the door, herein the door handle may droop due to a self weight, accordingly the door handle, holder and door can not be closely adhered accurately, or even break away from the accurate position. 
     Most of all, as described above the door handle can not be disassembled after the fabrication unless the insulating layer is removed, accordingly it is impossible to change or repair the door handle separately. 
     SUMMARY OF THE INVENTION 
     The object of the present invention is to provide a door handle installation structure of a refrigerator which is capable of assembling easily. 
     The other object of the present invention is to provide a door handle installation structure of a refrigerator which is capable of disassembling the door handle easily after combining it to the door, and repairing the door handle separately. 
     The other object of the present invention is to provide a door handle installation structure of a refrigerator which is capable of combining the door handle on an accurate place. 
     In order to achieve the above described objects of the present invention, a door handle installation structure according to the present invention comprises a door having an insulating layer formed inside and at least one combining hole at the front, a holder combined to the front surface of the door having at least one horizontal combining hole and a longitudinal combining hole, a door handle combined to the other side of the holder having a hollow area inside and at least one insertion hole punched on a certain portion of the outer circumference toward the door, a holder combining mean for combining the door to a side of the holder, and a door handle combining mean for combining the door handle to the other side of the holder. 
     Accordingly, the present invention is capable of installing the door handle more securely to the door of the refrigerator at the accurate place, separating the door handle freely from the door as occasion demands, repairing or replacing the door handle easily when they are damaged, and fabricating the door more accurately by preventing uneven surface problem of the door. 
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS 
     FIG. 1 sectional view illustrating the conventional door handle installation structure of a refrigerator. 
     FIG. 2 is a plan view illustrating the conventional door handle installation structure of a refrigerator. 
     FIG. 3 is a sectional view illustrating a door handle installation structure of a refrigerator according to the embodiment of the present invention. 
     FIG. 4 a plan view illustrating a door handle installation structure of a refrigerator according to the embodiment of the present invention. 
     FIG. 5 is a sectional view illustrating a door handle installation structure of a refrigerator according to the other embodiment of the present invention. 
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
     The embodiments of a door handle installation structure of a refrigerator according to the present invention will now be described in detail with reference to the accompanying drawings. 
     The door handle installation structure of the refrigerator according to the present invention comprises a door, a door handle, a holder for connecting the door and door handle, a holder combining mean, and a door handle combining mean. 
     In the door handle installation structure of the refrigerator according to the present invention, the construction of the upper part is same with the construction of the lower part as a line symmetry figure centering around the center part, accordingly the construction of the upper part as depicted in FIG.  3  and FIG. 5 will now be described, and a description for the construction of the lower part will be abridged. 
     Hereinafter, the embodiment of the door handle installation structure of the refrigerator will now be described in detail. 
     First, as depicted in FIG.  3  and FIG. 4, an insulating layer  12  is formed inside of the door  10 , and a bracket  15  is combined between the inner surface of the door and insulating layer  15 . 
     Herein, a plurality of first combining holes  10   a  are formed with a certain interval so as to penetrate from the inner and to the front surface of the door  10 . 
     And, a plurality of second combining holes  15   a  are formed with a certain interval so as to communicate with the plurality of the first combining holes  10   a.    
     And, each fastening nut  16  is placed between the bracket  15  and insulating layer  12  so as to communicate with the second combining hole  15   a , the each fastening nut  16  is fixedly combined to the bracket  15  by using a welding method. 
     Second, the door handle  20  includes a door handle body unit  22  and a deco cap  24 , the door handle body unit  22  is fabricated so as to have a hollow bar shape having a long length, and the deco cap  24  is fixedly inserted into the upper portion of the door handle body unit  22 . 
     A plurality of insertion holes  23  are punched with a certain interval on a certain portion of the outer circumference of the door handle body unit  22  toward the door  10 . 
     Meanwhile, the deco cap  24  covers the end portion of the door handle body unit  22 , a fastening screw  28  is fastened to the vertical direction of the door handle body unit  22  and is placed inside of the door handle body unit  22 . 
     As depicted in FIG. 3, the deco cap  24  is inserted from the upper portion to the inside of the door handle body unit  22 , a third combining hole  24   a  is longitudinally formed inside of the deco cap  24  for insertion of the fastening screw  28 . 
     In other words, the deco cap  24  is inserted inside of the door handle body unit  22 , the lower portion of the deco cap  24  is placed so as to contact to the holder  30 . 
     Third, the construction of the holder for combining the door handle  20  to the door  10  will now be described. 
     First, the holder  30  is placed between the door  10  and door handle  20 , a plurality of horizontal combing holes  32  are formed inside of the holder  30 , and a longitudinal combining hole  33  is formed inside of the door handle body unit  22  so as to communicate upwardly-downwardly with a certain portion of the horizontal combining holes  32  in a combination to the door handle body unit  22 . 
     Herein, the longitudinal combining hole  33  is placed so as to communicate and be concentric with the third combining hole  24   a.    
     The combining of the door handle installation structure of the refrigerator according to the embodiment of the present invention will now be described. 
     First, when the bracket  15  is fixed on the inner surface of the door  10  by the fastening nut  16 , the door  10  is placed on a door foaming jig (not shown). 
     A foaming agent is sprayed inside of the door  10  in order to form the insulating layer  12 . 
     The foaming agent is hardened and is formed the insulating layer  12 . 
     The fastening bolts  35  are separately inserted into the plurality of the horizontal combining holes  32 , the fastening bolts  35  are separately inserted into the combining nuts  16  fixed inside of the door  10  in order to combine a certain portion of the holder  30  to the door  10 . 
     In other words, the certain portion of the holder  30  is combined to the door  10  by the holder combining mean such as the bracket  15 , fastening nut  16  and fastening bolt  35 . 
     And, the other portion of the holder  30  is inserted into the insertion hole  23  of the door handle body unit  22 . 
     When the third combining hole  24   a  of the deco cap  24  communicates with the longitudinal combining hole  33  of the holder  30 , the fastening screw  28  is inserted into the third combining hole  24   a  placed from the upper portion of the door handle body unit  22  to the inside of the door handle body unit  22  and longitudinal combining hole  33  of the holder  30  in order to combine the door handle  20  to the other portion of the holder  30 . 
     In other words, the door handle  20  is combined to the other portion of the holder  30  by the door handle combining mean such as the deco cap  24 , and the fastening screw  28 . 
     Hereinafter, the other embodiment of the door handle installation structure of the refrigerator of the present invention will now be described in detail. 
     First, as depicted in FIG. 5, the insulating layer  12  is formed inside of a door  110 , a bracket  115  is combined between the inner surface of the door and the insulating layer  12 . 
     Herein, a first combining hole  110   a  is formed so as to penetrate the inner surface and front surface of the door  110 . 
     And, a second combining hole  115   a  s formed on the bracket  115  so as to communicate with the first combining hole  110   a.    
     A first fastening screw  116  is inserted into the second combining hole  115   a  of the bracket  115  in order to combine a certain portion of the holder  130  to the door  110 , the first fastening screw  116  is extended from the inside of the door  100  toward the front surface of the door  110  and is protruded to the front surface of the door  110 . 
     Second, the door handle  120  includes a door handle body unit  122  and a deco cap  124 , the door handle body unit  122  is fabricated as a hollow bar shape having a long length, and the deco cap  124  is inserted into the upper portion of the door handle body unit  122 . 
     An insertion hole  123  is punched on a certain portion of the outer circumference of the door handle body unit  122  toward the door  110  for insertion of the holder  130 . 
     Meanwhile, the deco cap  124  covers the end portion of the door handle body unit  122 , a second fastening screw  128  is combined to the upper end portion of the door handle body unit  122  to the vertical direction, and is placed inside of the door handle body unit  122 . 
     And, as depicted in FIG. 5, the deco cap  124  is inserted into from the upper end portion to the inside of the door handle body unit  122 , a third combining hole  126  is longitudinally formed inside of the deco cap  124  for insertion of the second fastening screw  128 . 
     In other words, the deco cap  124  is inserted into the inside of the door handle body unit  122 , the lower end portion of the deco cap  124  is placed so as to contact to the holder  130 . 
     In the other embodiment of the present invention, the front end portion of the second fastening screw  128  is not placed on the same surface of the front end portion of the door handle body unit  122 , but is placed inside of the door handle body unit  122 . 
     Third, the construction of the holder  130  for combining the door handle  120  to the door  110  will now be described. 
     First, the holder  130  is placed between the door  110  and door handle  120 , a horizontal combining hole  132  is formed inside of the holder  130  closely connected to the door  110 , a longitudinal combining hole  133  is upwardly-downwardly formed on the portion inside of the door handle body unit  122  in the combination of the door handle body unit  122 . 
     Herein, the longitudinal combining hole  133  is placed so as to communicate and be concentric with the third combining hole  126 . 
     Hereinafter, the combination according to the other embodiment of the present invention will now be described. 
     When the bracket  115  is fixed on the inner surface of the door  110 , the first fastening screw  116  is fixedly combined to the bracket  115 , the end of the bracket  115  is placed so as to be protruded to the front surface of the door  110 , and the door  110  is placed on the door foaming jig. 
     Herein, when the door foaming jig supports the door  110 , a breach has to be formed on the door foaming jig in order to avoid a contact with the first fastening screw  116 , in the other embodiment of the present invention the each first fastening screw  116  is placed on the upper and lower portion of the front surface of the door  110 , accordingly forming the breach is easy in the other embodiment of the present invention. 
     When the door  110  is supported by the door foaming jig, the insulating layer  12  is formed inside of the door  110  by spraying the foaming agent. 
     The foaming agent is hardened and the insulating layer  12  is formed. 
     First, the first fastening screw  116  protruded to the front of the door  110  is combined to a certain portion of the holder  130 . 
     In other words, the first fastening screw  116  fixedly combined to the door  110  is inserted into the horizontal combining hole  132  of the holder  130 , and is fastened to the holder  130  by rotating the holder  130  a plurality of times. 
     In other words, the certain portion of the holder  130  is combined to the door  110  by the holder combining mean such as the bracket  115  and first fastening screw  116 . 
     After that, the other portion of the holder  130  is inserted into the insertion hole  123  of the door handle body unit  122 , the second fastening screw  128  is inserted into the third combining hole  126  of the deco cap  124  placed inside of the door handle body unit  122 , the second fastening screw  128  is fixedly inserted into the longitudinal combining hole  134 , and the holder  130  is combined to the door handle  120 . 
     In other words, the door handle  20  is combined to the other portion of the holder  30  by the door handle combining mean such as the deco cap  124  and the second fastening screw  128 . 
     Accordingly, in the embodiments of the present invention, load of the door handle  20 ,  120  is supported by the holder  30 ,  130 , the door handle  20 ,  120  is supported by the holder  30 ,  130  by inserting the holder  30 ,  130  into the door handle body unit  22 ,  122  through the insertion hole  23 ,  123 , the bottom surface of the deco cap  24 ,  124  is supported by the holder  30 ,  130 , accordingly the door handle  20 ,  120  is securely installed on the door  10 ,  110 . 
     As described above, in the door handle installation structure of the present invention, the door handle is combined to the door after forming the insulating layer inside of the door, accordingly the present invention is capable of separating the door handle freely from the door as occasion demands, repairing or changing the door handle easily. 
     In other words, the door handle can be separated from the holder by releasing the fastening screw of the deco cap, the holder can be separated from the door by releasing the fastening bolt, accordingly the door handle and holder can be easily replaced when they are damaged. 
     And, when the insulating layer is formed, the shape of the door foaming jig can be simplified because the shape of the door is simple, accordingly the insulating layer can be formed so as to be more secure and to support the overall surface of the door, thus it can prevent uneven surface problem of the door, and the size of the door can be fabricated more accurately. 
     In addition, the door handle can be combined more securely to the door because the door handle is combined to the door after the insulating layer of the door is perfectly hardened, accordingly the combining bolt is fastened more securely in a combination of the holder, and a chink between the holder and door can be prevented. 
     And, the door handle and holder can be assembled/disassembled outside of the door, accordingly when the door handle or door is damaged, the replacement or repair can be performed easily. 
     As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, unless otherwise specified, but rather should be constructed broadly within its sprit and scope as defined in the appended claims. 
     Therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalence of such meets and bounds are therefore intended to be embraced by the appended claims.