Patent Publication Number: US-10330370-B2

Title: Refrigerator

Description:
CROSS-REFERENCE TO RELATED APPLICATION 
     This application is related to and claims priority to Korean Patent Application No. 10-2016-0172026 filed on Dec. 15, 2016, the disclosure of which is incorporated herein by reference. 
     TECHNICAL FIELD 
     Embodiments of the present disclosure relate to a refrigerator, and more particularly, to a refrigerator on which a door panel adjustment apparatus is mounted. 
     BACKGROUND 
     Generally, a refrigerator is a home appliance which includes a storage compartment which stores food and a cold air supply apparatus which supplies cold air to the storage compartment to keep food fresh. 
     There are currently built-in refrigerators that blend in with peripheral furniture or apparatuses in a place in which the refrigerator is disposed and effectively utilize space. 
     The built-in refrigerator may include an additional panel on the front of the door to match with peripheral furniture or apparatuses as the body of the refrigerator is accommodated therein. 
     Here, since it is difficult to adjust alignment of a panel when the panel is installed at the door of the built-in refrigerator, it becomes a limitation. 
     SUMMARY 
     To address the above-discussed deficiencies, it is a primary object to provide a refrigerator including a panel adjustment apparatus capable of easily adjusting alignment of a panel. 
     Additional aspects of the present disclosure will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present disclosure. 
     In accordance with one aspect of the present disclosure, a refrigerator may include a cabinet, a door which opens a front of the cabinet, a panel disposed in front of the door, and a coupling unit which couples the panel with the door. And the coupling unit may include a first adjustor provided to adjust a position of the panel in a left and right direction, a second adjustor provided to adjust a position of the panel in an up and down direction, and a third adjustor provided to adjust a position of the panel in a front and rear direction. 
     The coupling unit further includes a base bracket coupled to an end of the door and a coupling bracket coupled to a rear surface of the panel, and the first adjustor includes a first door bracket extending upward from the base bracket and configured to have a surface parallel to the panel in the left and right direction, a first panel bracket extending rearward from the coupling bracket and disposed to face the first door bracket, and a first adjustment member configured to pass through the first door bracket in the left and right direction of the panel and to pressurize the first panel bracket in the left and right direction of the panel. 
     The second adjustor includes a second panel bracket extending rearward from the coupling bracket and disposed to be parallel to the base bracket, a second adjustment member configured to comprise a mounting portion on which the second panel bracket is mounted in the up and down direction of the panel, and a coupling hole disposed on the base bracket to allow the second adjustment member to be screw-coupled therewith in the up and down direction of the panel. 
     The third adjustor includes a second door bracket extending upward from the base bracket and disposed to face the coupling bracket and a third adjustment member configured to pass through the second door bracket and coupled with the coupling bracket. And the third adjustment member includes a coupling screw coupled with the coupling bracket and a pressurizing screw configured to pressurize the coupling bracket. 
     The first door bracket comprises a first through hole through which the first adjustment member passes, and the first adjustment member includes a first rotator provided at one end of the first adjustment member, a first screw part extending from the first rotator and configured to pass through the first through hole, and an end portion provided at the other end of the first adjustment member and in contact with the first door bracket. 
     The first adjustment member moves the first door bracket to one side by moving the end portion forward when the first rotator rotates in one direction, and the first adjustment member moves the first door bracket to an opposite side by moving the end portion backward when the first rotator rotates in an opposite direction. 
     The base bracket and the first door bracket are integrally formed with each other. 
     The first panel bracket is provided to extend downward from one side of the second panel bracket. 
     The coupling bracket, the first panel bracket, and the second panel bracket are integrally formed with each other. 
     The second adjustment member further includes a second rotator provided between one end of the second adjustment member and the mounting portion, and a second screw part extending from the mounting portion to the other end of the second adjustment member. And the second panel bracket includes a second through hole through which the second rotator passes, and a mounting surface in contact with the mounting portion. 
     The second adjustment member moves the second door bracket downward by moving the mounting portion downward when the second rotator rotates in one direction, and the second adjustment member moves the second door bracket upward by moving the mounting portion upward when the second rotator rotates in an opposite direction. 
     The coupling unit further includes a penetrating member through which the first adjustor, the second adjustor, and the third adjustor pass, and the first adjustor comprises a first adjustment member which passes through the penetrating member in the left and right direction of the panel, and the second adjustor comprises a second adjustment member which passes through the penetrating member in the up and down direction of the panel, and the third adjustor comprises a third adjustment member which passes through the penetrating member in the front and rear direction of the panel. 
     The coupling unit further includes a base bracket coupled to an end portion of the door, and a pair of first door brackets extending upward from the base bracket and disposed on left and right sides of the penetrating member, and the first adjustment member includes a rotator provided at one end of the first adjustment member and supported by one of the first door brackets, a screw part configured to pass through the penetrating member, and a supporter provided at the other end of the first adjustment member and supported by the other of the pair of first door brackets. 
     The coupling unit further includes a coupling bracket coupled to a rear surface of the panel, and an extension portion extending rearward from the coupling bracket and provided to be parallel to the base bracket, and the second adjustment member includes a mounting portion on which the extension portion is mounted in the up and down direction of the panel and a screw part configured to pass through the penetrating member in the up and down direction of the panel and to be coupled with the base bracket. 
     The coupling unit further includes a coupling bracket coupled to a rear surface of the panel and a second door bracket extending upward from the base bracket and disposed in the rear of the penetrating member, and the third adjustment member passes through the second door bracket and the penetrating member in the front and rear direction of the panel and is screw-coupled with the coupling bracket. 
     In accordance with another aspect of the present disclosure, a refrigerator may include a cabinet, a door configured to open a front of the cabinet, a panel disposed in front of the door, a panel coupling bracket disposed on a rear surface of the panel, a base bracket disposed at an end portion of the door, a door coupling bracket extending upward from the base bracket and coupled with the panel coupling bracket in a front and rear direction of the panel by a coupling member, a door adjustment bracket extending upward from the base bracket and configured to have a surface in parallel in a left and right direction of the panel, a panel adjustment bracket extending rearward from the door coupling bracket and disposed to face the door adjustment bracket, and an adjustment member configured to pass through the door adjustment bracket and come into contact with the panel adjustment bracket to adjust a position of the panel in the left and right direction. 
     The panel coupling bracket further comprises a height adjustment member on which an extension bracket is mounted, the extension bracket extending downward from the panel coupling bracket and disposed to be parallel to the base bracket to be mounted, and which is screw-coupled with the base bracket in the up and down direction of the panel to move the extension bracket in the up and down direction. 
     The panel adjustment bracket is extended downward from one side of the extension bracket. 
     The refrigerator further includes a front and rear adjustment member configured to pass through the door coupling bracket and come into contact with the panel coupling bracket to adjust the position of the panel in the front and rear direction. 
     The adjustment member moves forward to one side and moves the panel adjustment bracket to the one side while rotating in one direction, and the adjustment member moves backward from the one side and moves the panel adjustment bracket to an opposite side while rotating in an opposite direction. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       For a more complete understanding of the present disclosure and its advantages, reference is now made to the following description taken in conjunction with the accompanying drawings, in which like reference numerals represent like parts: 
         FIG. 1  is an exploded perspective view of a refrigerator, a panel, and an accommodation portion accommodated according to an embodiment of the present disclosure. 
         FIG. 2  is a perspective view of a state in which a door of a refrigerator is opened according to an embodiment of the present disclosure. 
         FIG. 3  is an exploded perspective view of a unit of a combined refrigerator according to an embodiment of the present disclosure. 
         FIG. 4A  is a cross-sectional view illustrating a state in which the position of the panel is adjusted to one side by a left and right direction adjustor of the refrigerator according to one embodiment of the present disclosure 
         FIG. 4B  is a cross-sectional view illustrating a state in which the position of the panel is adjusted to the other side by the left and right direction adjustor of the refrigerator according to one embodiment of the present disclosure. 
         FIG. 5A  is a cross-sectional view illustrating a state in which the position of the panel is adjusted upward by an up and bottom direction adjustor of the refrigerator according to one embodiment of the present disclosure. 
         FIG. 5B  is a cross-sectional view illustrating a state in which the position of the panel is adjusted downward by the up and down direction adjustor of the refrigerator according to one embodiment of the present disclosure. 
         FIG. 6A  is a cross-sectional view illustrating a state in which the position of the panel is adjusted toward a front side by a front and rear direction adjustor of the refrigerator according to one embodiment of the present disclosure. 
         FIG. 6B  is a cross-sectional view illustrating a state in which the position of the panel is adjusted toward a rear side by the front and rear direction adjustor of the refrigerator according to one embodiment of the present disclosure. 
         FIG. 7  is an exploded perspective view of the coupling unit of the refrigerator according to another embodiment of the present disclosure 
         FIG. 8  is a rear view illustrating a state in which the panel is coupled to the coupling unit of the refrigerator according to another embodiment of the present disclosure. 
         FIG. 9  is a perspective view illustrating a state in which the panel is coupled to the coupling unit of the refrigerator according to another embodiment of the present disclosure. 
     
    
    
     DETAILED DESCRIPTION 
       FIGS. 1 through 9 , discussed below, and the various embodiments used to describe the principles of the present disclosure in this patent document are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. Those skilled in the art will understand that the principles of the present disclosure may be implemented in any suitably arranged system or device. 
     Embodiments disclosed in the specification and components shown in the drawings are merely preferable examples of the present disclosure and various modifications capable of replacing the embodiments and drawings of the specification may be made at the time of filing the present application. 
     Also, throughout the drawings of the present specification, like reference numerals or symbols refer to components or elements configured to perform substantially identical functions. 
     Also, the terms used herein are intended to explain the embodiments but are not intended to limit and/or define the present disclosure. Singular forms, unless defined otherwise in context, include plural forms. Throughout the specification, the terms “comprise”, “have”, and the like are used herein to specify the presence of stated features, numbers, steps, operations, elements, components or combinations thereof but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, or combinations thereof. 
     Also, even though the terms including ordinals such as “first”, “second”, and the like may be used for describing various components, the components will not be limited by the terms and the terms are used only for distinguishing one element from others. For example, without departing from the scope of the present disclosure, a first component may be referred to as a second component, and similarly, the second component may be referred to as the first component. The term “and/or” includes any and all combinations or one of a plurality of associated listed items. 
     Hereinafter, the embodiments will be described in detail with reference to the attached drawings. 
     The terms “upper side”, “upward”, “lower side”, and “downward” used herein are described according to a vertical direction of a refrigerator according to one embodiment of the present invention and shown in  FIG. 1 , that is, a side corresponding to a top of the refrigerator in  FIG. 1  refers to an upper side and a bottom below the top refers to an lower side. 
     Also, in the case of the terms “front” and “rear” used herein, a direction in which an opening and a door of the refrigerator according to one embodiment of the present disclosure and shown in  FIG. 1  are disposed refers to a front and a direction opposite thereto refers to a rear. 
     Generally, a refrigerator is a home appliance which includes a storage compartment which stores food and a cold air supply apparatus which supplies cold air to the storage compartment to keep food fresh. Types of refrigerators may be classified by door and shapes of a storage compartment. 
     There are top mounted freezer (TMF) refrigerators in which a storage compartment is partitioned into top and bottom by a horizontal partition such that a freezer compartment is formed on an upper side and a refrigerator compartment is formed on a lower side, and there are bottom mounted freezer (BMF) refrigerators in which a refrigerator compartment is formed on an upper side and a freezer compartment is formed on a lower side. 
     Also, there are side-by-side (SBS) refrigerators in which a storage compartment is partitioned into left and right sides by a vertical partition such that a freezer compartment is formed on one side and a refrigerator compartment is formed on the other side, and there are French door refrigerators (FDR) in which a storage compartment is partitioned into top and bottom by a horizontal partition such that a refrigerator compartment is formed on an upper side and a freezer compartment is formed on a lower side while the refrigerator compartment on the upper side is opened and closed by a pair of doors. 
     In the embodiment, a refrigerator including one storage compartment will be described. However, although a refrigerator including one storage compartment will be described for convenience of description, the present disclosure is not limited thereto and may be applied to an SBS refrigerator, an FDR, and the like. 
       FIG. 1  is an exploded perspective view illustrating a refrigerator, a panel, and a cabinet in which the refrigerator is disposed according to one embodiment of the present disclosure, and  FIG. 2  is a perspective view illustrating a state in which a door of the refrigerator is open. 
     A refrigerator  1  includes a cabinet  10 , a storage compartment  20  formed in the cabinet  10 , a door  30  which opens and closes the storage compartment  20 , and a cold air supply apparatus (not shown) which supplies cold air to the storage compartment  20 . 
     The cabinet  10  may include an inner casing which forms the storage compartment  20 , an outer casing which is coupled to an outside of the inner casing and forms an exterior, and an insulator formed between the inner casing and the outer casing to insulate the storage compartment  20 . 
     The cold air supply apparatus may generate cold air by using a cooling circulation cycle of compressing, condensing, expanding, and evaporating a refrigerant. 
     The refrigerator  1  according to one embodiment of the present disclosure may be a built-in refrigerator. Accordingly, the refrigerator  1  may be provided in an accommodation portion  50  in which the refrigerator  1  is accommodated. A flank portion F in which a piece of furniture or another home appliance is disposed may be formed on a side of the accommodation portion  50 . 
     The refrigerator  1  may include a panel  40  disposed in front of the door  30  and capable of matching with the flank portion F. The panel  40  may be provided to have a size corresponding to an opening of the accommodation portion  50 . Also, the panel  40  may be formed to have a color or a material corresponding to that of the flank portion F to match with the flank portion F. 
     The panel  40  may be coupled with the door  30  by a coupling unit  100  and be rotated with the door  30 . Hereinafter, the coupling unit  100  will be described in detail. 
       FIG. 3  is an exploded perspective view of the coupling unit of the refrigerator according to one embodiment of the present disclosure. 
     A conventional coupling unit includes an adjustor formed to allow a panel to be coupled to a door and for adjusting a position of the panel coupled to the door. The adjustor may adjust the position of the panel by minutely moving the panel in a front and rear direction and an up and down direction of the panel using a screw and the like. However, since a minute movement of the panel in a left and right direction is impossible, a user may adjust a position of the panel by directly moving the panel in the left and right direction, or an additional coupling device may be included to adjust in the left and right direction of the panel. 
     However, the coupling unit  100  according to one embodiment of the present disclosure may minutely move the panel  40  in a front and rear direction, an up and down direction, and a left and right direction by using one component. That is, the panel  40  may be minutely moved in three directions by using only one coupling unit  100  without any additional components. 
     That is, the coupling unit  100  may include a first adjustor (or a left and right direction adjustor)  110 , a second adjustor (or an up and down direction adjustor)  120 , and a third adjustor (or a front and rear direction adjustor)  130 . 
     The coupling unit  100  may include the three adjustors  110 ,  120 , and  130  such that the user may easily adjust a position of the panel  40  in three directions. After the position of the panel  40  is adjusted, the panel  40  may be completely coupled to the door  30  by a coupling means. 
     As shown in  FIG. 3 , a pair of such coupling units  100  may be provided at a top end of the door  30 . Since the pair of coupling units  100  are symmetrical to each other, one of the pair of coupling units  100  (the coupling unit provided on a left side in  FIG. 1 ) will be described and repetitive descriptions will be omitted. 
     The coupling unit  100  may include a coupling bracket (or a panel-coupling bracket)  140  disposed on a rear surface of the panel  40  and coupled to the door  30 . Also, the coupling unit  100  may include a base bracket  150  which is provided at the top end of the door  30 , is coupled to the coupling bracket  140 , and has an extended form. 
     The component which forms the three adjustors  110 ,  120 , and  130  extends from the coupling bracket  140  and the base bracket  150  such that the panel  40  may be adjustable in three directions. Accordingly, it is possible to easily adjust the position of the panel  40  in three directions by using only minimum components. 
     The first adjustor  110  may include a first door bracket (or a door adjustment bracket)  111  extending upward from the base bracket  150  and having a surface parallel to the left and right direction of the panel  40 , a first panel bracket (or a panel adjustment bracket)  112  extending in the rear of the coupling bracket  140  and disposed to face the first door bracket  111 , and a first adjustment member  115  which passes through the first door bracket  111  in the left and right direction of the panel  40  and pressurizes the first panel bracket  112  in the left and right direction of the panel  40 . 
     The first adjustment member  115  passes through a first through hole  113  provided at the first door bracket  111  to be fixed to the first door bracket  111  and is disposed to come into contact with the first panel bracket  112  such that the position of the panel  40  may be adjusted in the left and right direction, which will be described below in detail. 
     The second adjustor  120  may include a second panel bracket (or an extension bracket)  122  extended rearward from the coupling bracket  140  and disposed to be parallel to the base bracket  150 , a second adjustment member (or a height adjustment member)  125  which includes a mounting portion on which the second panel bracket  122  is mounted in the up and down direction of the panel  40 , and a coupling hole  121  provided at the base bracket  150  to allow the second adjustment member  125  to be screw-coupled thereto in the up and down direction of the panel  40 . 
     The second panel bracket  122  includes a second through hole  123  through which at least a part of the second adjustment member  125  passes, and at least the part of the second adjustment member  125  passes through the second through hole  123  and is capable of adjusting the position of the panel  40  in the up and down direction by moving in the up and down direction, which will be described below in detail. 
     The third adjustor  130  may include a second door bracket (or a door coupling bracket)  131  extending from an upper side of the base bracket  150  and disposed to face the coupling bracket  140  and a third adjustment member (or a front and rear adjustment member or coupling member)  135  which passes through the second door bracket  131  and is coupled to the coupling bracket  140 . 
     The third adjustment member  135  may include a coupling screw  136  coupled to the coupling bracket  140  and a pressurizing screw  137  which pressurizes the coupling bracket  140 . The second door bracket  131  may include a third through hole  133  through which the coupling screw  136  passes. 
     The position of the panel  40  is adjustable in the front and rear direction by coupling between the coupling screw  136  and the pressurizing screw  137 , which will be described below in detail. 
     Hereinafter, the first adjustor  110  will be described in detail.  FIG. 4A  is a cross-sectional view illustrating a state in which the position of the panel is adjusted to one side by a left and right direction adjustor of the refrigerator according to one embodiment of the present disclosure, and  FIG. 4B  is a cross-sectional view illustrating a state in which the position of the panel is adjusted to the other side by the left and right direction adjustor of the refrigerator according to one embodiment of the present disclosure. 
     As described above, the first adjustor  110  may adjust the position of the panel  40  in the left and right direction. 
     In detail, the first door bracket  111  and the first panel bracket  112  may be disposed to face each other. The first panel bracket  112  may be provided to be disposed further inside than the first door bracket  111  depending on a center of the door  30 . 
     The first adjustment member  115  may be provided to pass through the first door bracket  111  in an outside to inside direction depending on the center of the door  30  and come into contact with the first panel bracket  112 . 
     The first door bracket  111  may include the first through hole  113  through which the first adjustment member  115  passes. The first adjustment member  115  may include a first rotator  115   a  rotated by the user, a first screw part  115   b  which passes through the first through hole, and an end portion  115   c  which comes into contact with the first panel bracket  112 . 
     The first screw part  115   b  may pass through the first through hole  113  and be coupled to the first through hole  113 . 
     As shown in  FIG. 4A , when the user rotates the first rotator  115   a  in one direction, the first screw part  115   b  is rotated to move from the first door bracket  111  to the first panel bracket  112  such that the end portion  115   c  may pressurize the first panel bracket  112  toward the center of the door  30 . 
     The first panel bracket  112  is a component extending from the coupling bracket  140  such that the coupling bracket  140  may be interconnected to and moved according to movement of the first panel bracket  112  and the panel  40  coupled to the coupling bracket  140  may be also interconnected to the movement of the first panel bracket  112  and moved in a direction in which the first panel bracket  112  is moved. 
     That is, as the first adjustment member  115  pressurizes the first panel bracket  112  in a right direction, the panel  40  may be moved in a right direction with respect to the door  30 . 
     As the first adjustment member  115  pressurizes the first panel bracket  112  to one side, the second panel bracket  122  extending from the coupling bracket  140  may be also moved to one side. Accordingly, the second through hole  123  provided at the second panel bracket  122  may be moved and may make contact with the second adjustment member  125 . Here, to prevent this, the second through hole  123  may be provided to be larger than a diameter of a part of the second adjustment member  125  inserted in the second through hole. 
     Accordingly, the part of the second adjustment member  125  may be moved by a certain distance within the second through hole  123  such that even when the panel  40  is moved to one side, the second through hole  123  may not be restricted by the second adjustment member  125  and may be interconnected thereto and moved. 
     As the first adjustment member  115  pressurizes the first panel bracket  112  to one side, the coupling screw  136  coupled to the coupling bracket  140  may be also moved to one side. Accordingly, as the coupling screw  136  is moved, the third through hole  133  positioned at the second door bracket  131  through which the coupling screw  136  passes may make contact with the coupling screw  136 . To prevent this, the third through hole  133  may be provided to be larger than a diameter of the coupling screw  136  inserted in third through hole  133 . 
     Accordingly, the coupling screw  136  may be moved by a certain distance within the third through hole  133  such that even when the panel  40  is moved to one side, the coupling screw  136  may not be restricted by the third through hole  133  and may be linked thereto and moved. 
     As shown in  FIG. 4B , when the user rotates the first rotator  115   a  in an opposite direction, the first screw part  115   b  is counter-rotated to move from the first panel bracket  112  to the first door bracket  111  such that the end portion  115   c , which pressurizes the first panel bracket  112 , and the first panel bracket  112  may be spaced apart. 
     Accordingly, the first panel bracket  112  may not be moved to one side, and the first adjustment member  115  may pressurize the first panel bracket  112  to the other side due to the first adjustor  110  of one of the pair of coupling units  100 , disposed on a right side. 
     Here, as shown in  FIG. 4B , since the first adjustment member  115  of one of the pair of coupling units  100 , disposed on a left side, may be provided to be recessed from the center of the door  30 , even when a pressure is applied to the other side of the panel  40 , the panel  40  may be moved to the other side without restriction. 
     Since the second adjustment member  125  and the coupling screw  136  are movable by a certain distance within the second through hole  123  and the third through hole  133 , respectively, even when the panel  40  is moved to the other side, the movement of the panel  40  may not be restricted. 
     Hereinafter, the second adjustor  120  will be described in detail.  FIG. 5A  is a cross-sectional view illustrating a state in which the position of the panel is adjusted upward by an up and bottom direction adjustor of the refrigerator according to one embodiment of the present disclosure, and  FIG. 5B  is a cross-sectional view illustrating a state in which the position of the panel is adjusted downward by the up and down direction adjustor of the refrigerator according to one embodiment of the present disclosure. 
     As described above, the second adjustor  120  may adjust the position of the panel  40  in the up and down direction. 
     In detail, the second adjustor  120  may include the second panel bracket  122  extending rearward from the coupling bracket  140  and disposed to be parallel to the base bracket  150  in the up and down direction. The second panel bracket  122  may be mounted on the second adjustment member  125 , be screw-coupled to the base bracket  150  in the up and down direction, and be moved in the up and down direction according to an up and down direction movement of the second adjustment member  125  such that the position of the panel  40  in the up and down direction may be adjusted. 
     The second panel bracket  122  may include the second through hole  123  through which the second adjustment member  125  passes. The second adjustment member  125  may include a second rotator  125   a  which passes through the second through hole  123  and is rotatable by the user, a mounting portion  125   b  on which the second panel bracket  122  is mounted in the up and down direction, and a second screw part  125   c  screw-coupled to the coupling hole  121  provided at the base bracket  150  in the up and down direction. 
     The second adjustment member  125  may be provided to allow one end of the second screw part  125   c  to be screw-coupled to the coupling hole  121  and vertically coupled to the base bracket  150 , to allow the mounting portion  125   b  provided on the other end of the second screw part  125   c , and may be extended to have a surface in a direction parallel to the base bracket  150  to be fixed parallel to the base bracket  150 . 
     The second adjustment member  125  may further include the second rotator  125   a  extended from the mounting portion  125   b  in the up and down direction and capable of passing through the second through hole  123 . 
     The second panel bracket  122  may be disposed to allow the second rotator  125   a  to pass through the second through hole  123  and to come into contact with a top surface of the mounting portion  125   b . That is, a bottom surface of the second panel bracket  122  may be disposed to pass through the second rotator  125   a  and come into contact with the mounting portion  125   b  to be mounted on the second adjustment member  125 . 
     In this state, when the second rotator  125   a  of the second adjustment member  125  is rotated to one side, screw-coupling between the second screw part  125   c  and the coupling hole  121  is released at a certain part and accordingly the second screw part  125   c  moves upward such that the second panel bracket  122  may move upward. 
     Since the second panel bracket  122  is a component extended from the rear of the coupling bracket  140 , the coupling bracket  140  moves upward due to upward movement of the second panel bracket  122  such that the position of the panel  40  is moved upward. 
     Since it is necessary for the mounting portion  125   b  to continuously support the second panel bracket  122  even when the panel  40  is moved in the left and right direction or the front and rear direction, the mounting portion  125   b  may be provided to be larger than the second through hole  123 . Accordingly, as described above, the mounting portion  125   b  may stably support the second panel bracket  122  even when the second rotator  125   a , which is a part of the second adjustment member  125 , moves by a certain distance within the second through hole  123 . 
     As described above, since the third through hole  133  is provided to allow the coupling screw  136  to be movable by a certain distance within the third through hole  133 , even when the coupling screw  136  is linked to the upward movement of the second panel bracket  122  and is moved upward, the coupling screw  136  may not be restricted by the third through hole  133  and may be movable. 
     As shown in  FIG. 5B , when the second rotator  125   a  of the second adjustment member  125  is rotated to an opposite side, screw-coupling between the second screw part  125   c  and the coupling hole  121  is tightened and accordingly the second screw part  125   c  moves downward such that the second panel bracket  122  may move downward. 
     In a conventional up and down direction adjustor which adjusts an up and down direction, a coupling bracket of a panel is disposed at a screw member such as a bolt, a bracket of the panel is coupled by connecting a pair of nuts in an up and down direction of the screw member, and the pair of nuts are rotated to move in the up and down direction to adjust an up and down direction of the bracket such that a position of the panel in the up and down direction may be adjusted. 
     However, as described above, the up and down direction adjustor (or the second adjustor)  120  according to one embodiment of the present disclosure may mount the second panel bracket  122  using one component, that is, the second adjustment member  125 , such that the user may easily adjust the position of the panel  40  in the up and down direction. 
     The second panel bracket  122  of the second adjustor  120  and the first panel bracket  112  of the first adjustor  110  may be integrated with the coupling bracket  140  (refer to  FIG. 4A ). In detail, the second panel bracket  122  may be extended downward from the coupling bracket  140  to be parallel to the base bracket  150 , and the first panel bracket  112  parallel to the panel  40  in the left and right direction may be extended downward from one side of the second panel bracket  122 . 
     Accordingly, the coupling bracket  140 , the first panel bracket  112 , and the second panel bracket  122  may be formed as one component such that the panel  40  may be adjusted in the up and down direction and the left and right direction through one component. 
     Hereinafter, the third adjustor  130  will be described in detail.  FIG. 6A  is a cross-sectional view illustrating a state in which the position of the panel is adjusted toward a front side by a front and rear direction adjustor of the refrigerator according to one embodiment of the present disclosure, and  FIG. 6B  is a cross-sectional view illustrating a state in which the position of the panel is adjusted toward a rear side by the front and rear direction adjustor of the refrigerator according to one embodiment of the present disclosure. 
     As described above, the third adjustor  130  may adjust the position of the panel  40  in the front and rear direction. 
     In detail, the third adjustor  130  may include the second door bracket  131  extending upward from the base bracket  150  and disposed to be parallel to the coupling bracket  140  in the front and rear direction. The coupling bracket  140  may include a coupling portion  132  provided at a position corresponding to the second door bracket  131  (refer to  FIG. 3 ). 
     The third through hole  133  and a fourth through hole  134  configured to allow the third adjustment member  135  to pass therethrough from a rear to a front of the panel  40  may be provided at the second door bracket  131 . 
     The coupling screw  136  may pass through the third through hole  133  and be coupled to the coupling portion  132 . Also, a pressurizing screw  137  may pass through the fourth through hole  134  and be coupled to the coupling portion  132 . 
     The coupling screw  136  may be coupled with the coupling portion  132  and may move while linked to the panel  40  as the panel  40  is moved. As described above, the third through hole  133  is provided to be larger than a diameter of the coupling screw  136  and is not restricted by the third through hole  133  even when the coupling screw  136  moves with the panel  40 . 
     As shown in  FIG. 6A , when the pressurizing screw  137  rotates in one direction while the coupling screw  136  is coupled with the coupling portion  132 , the pressurizing screw  137  which passes through the fourth through hole  134  moves forward into the panel  40  and pressurizes the coupling portion  132  in contact therewith toward the front of the panel  40 . Accordingly, the panel  40  may move forward. 
     When the panel  40  is moved forward, the second panel bracket  122  extended in the rear of the coupling bracket  140  is also moved. Here, the second through hole  123  is provided to be larger than a diameter of the second rotator  125   a  inserted in the second through hole  123  in order to not allow the second adjustment member  125  which passes through the second panel bracket  122  and the second panel bracket  122  to make contact with each other such that the second rotator  125   a  may be provided not to restrict movement of the second panel bracket  122 . 
     As shown in  FIG. 6B , when the pressurizing screw  137  is counter-rotated, the pressurizing screw  137  which passes through the fourth through hole  134  moves backward toward the rear of the panel  40 , completing forward-pressurizing to the coupling portion  132 . 
     Here, when the coupling screw  136  is rotated to loosen coupling between the coupling screw  136  and the coupling portion  132 , the panel  40  may be moved backward. Accordingly, the panel  40  may be moved rearward. 
     The second door bracket  131  of the third adjustor  130  and the first door bracket  111  of the first adjustor  110  may be integrated with the base bracket  150 . In detail, the second door bracket  131  may be extended to be parallel to the coupling bracket  140  above the base bracket  150 , and the first door bracket  111  may be extended to be parallel in the left and right direction of the panel  40 . 
     Accordingly, the base bracket  150 , the first door bracket  111 , and the second door bracket  131  may be formed as one component such that the panel  40  may be adjusted in the up and down direction and the front and rear direction through one component. 
     The coupling unit  100  may be provided at the top end of the door  30  as described above but may be additionally provided at a bottom end of the door  30  to be symmetrical. Also, when the coupling unit  100  is not disposed at the bottom end of the door  30 , although not shown in the drawings, an additional support member which supports the panel  40  may be disposed at the bottom end of the door  30  to support the panel  40  at the bottom end of the door  30 . 
     Hereinafter, a coupling unit  100 ′ of the refrigerator  1  according to one embodiment of the present disclosure will be described. Hereinafter, since other components in addition to the coupling unit  100 ′ which will be described below are identical to the components of the refrigerator  1  according to one embodiment of the present disclosure, a repetitive description will be omitted. 
       FIG. 7  is an exploded perspective view of the coupling unit of the refrigerator according to another embodiment of the present disclosure,  FIG. 8  is a rear view illustrating a state in which the panel is coupled to the coupling unit of the refrigerator according to another embodiment of the present disclosure, and  FIG. 9  is a perspective view illustrating a state in which the panel is coupled to the coupling unit of the refrigerator according to another embodiment of the present disclosure. 
     As shown in  FIGS. 7 and 8 , a pair of such coupling units  100 ′ may be provided at the top end of the door  30 . Since the pair of coupling units  100 ′ are provided to be symmetrical to each other, hereinafter, only one of the pair of coupling units  100 ′ will be described. 
     The coupling unit  100 ′ may include a coupling bracket  140 ′ coupled to a rear surface of the door  30  and a base bracket  150 ′ coupled to the top end of the door  30 . Also, the coupling unit  100 ′ may include a first adjustor  110 ′ which moves the panel  40  in a left and right direction, a second adjustor  120 ′ which moves the panel  40  in an up and down direction, and a third adjustor  130 ′ which moves the panel  40  in a front and rear direction. 
     Also, the coupling unit  100 ′ may include a penetrating member  170 ′ through which the three adjustors  110 ′,  120 ′, and  130 ′ pass and which is provided to be movable in the left and right direction, the up and down direction, and the front and rear direction of the panel  40  by the three adjustors  110 ′,  120 ′, and  130 ′. 
     As shown in  FIGS. 7 and 9 , the first adjustor  110 ′ may include a pair of first door brackets  111 ′ extended upward from the base bracket  150 ′ to have surfaces which face in the left and right direction of the panel  40 . 
     The pair of first door brackets  111 ′ may be disposed on both sides of the penetrating member  170 ′. The pair of first door brackets  111 ′ may each include a first through hole  113 ′ having a long side in the front and rear direction of the panel  40 . 
     The first adjustor  110 ′ may include a first adjustment member  115 ′ with one end and the other end supported by the first through holes  113 ′ provided at the pair of first door brackets  111 ′ and which passes through the penetrating member  170 ′ in the left and right direction of the panel  40 . 
     A first rotator which is rotatable in one direction or an opposite direction by a user may be provided at one end of the first adjustment member  115 ′. When the user rotates the first rotator in one direction, the first adjustment member  115 ′ may move the penetrating member  170 ′ to one side through the rotation. When the first rotator is rotated in the opposite direction, the first adjustment member  115 ′ may move the penetrating member  170 ′ to an opposite side through the counter-rotation. 
     The second adjustor  120 ′ may include a panel bracket  122 ′ extending in the rear of the coupling bracket  140 ′ and disposed to be parallel to the base bracket  150 ′ in the up and down direction and a second adjustment member  125 ′ screw-coupled, to a second through hole provided at an upper side of the penetrating member  170 ′, in the up and down direction and configured to include a mounting portion on which the panel bracket  122 ′ is mounted. 
     A part of the second adjustment member  125 ′ may pass through the panel bracket  122 ′ and may support a bottom surface of the panel bracket  122 ′ through which the mounting portion passes to support the panel bracket  122 ′ in the up and down direction of the panel  40 . 
     A second rotator which is rotatable in one direction or an opposite direction by the user may be provided at one end of the second adjustment member  125 ′. When the user rotates the second rotator in one direction, the second adjustment member  125 ′ is more strongly screw-coupled with the penetrating member  170 ′ and moved downward through the rotation such that the panel bracket  122 ′ mounted on the second adjustment member  125 ′ may be moved downward. When the user rotates the second rotator in the opposite direction, the second adjustment member  125 ′ is loosened from screw-coupling with the through hole  170 ′ through the counter-rotation and is moved upward such that the panel bracket  122 ′ mounted on the second adjustment member  125 ′ may be moved upward. 
     The third adjustor  130 ′ may include a second door bracket  131 ′ extending upward from the base bracket  150 ′ to be disposed to be parallel to the coupling bracket  140 ′. 
     The third adjustor  130 ′ may include a third adjustment member  135 ′ having an one end passed through and supported by a third through hole  133 ′, and provided at the second door bracket  131 ′ and passes through the penetrating member  170 ′, and may be screw-coupled to the coupling bracket  140 ′. The third through hole  133 ′ may be provided as a through hole long in a left and right direction. 
     A third rotator which is rotatable in one direction or an opposite direction by the user may be provided at one end supported by the third through hole  133 ′ of the first adjustment member  135 ′. When the user rotates the third rotator in one direction, the third adjustment member  135 ′ may move the penetrating member  170 ′ frontward through the rotation. When the third rotator is rotated in the opposite direction, the third adjustment member  135 ′ may move the penetrating member  170 ′ rearward through the counter-rotation. 
     Hereinafter, a method of coupling the panel  40  with the door  30  by using the coupling unit  100 ′ will be described. 
     The panel bracket  125 ′ extending rearward from the coupling bracket  140 ′ coupled to the bottom surface of the panel  40  may be mounted on the second adjustment member  125 ′ in the up and down direction. 
     Afterward, the position of the panel  40  in the up and down direction may be adjusted by rotating the second rotator of the second adjustment member  125 ′ in one direction or the opposite direction. 
     After the position of the panel  40  in the up and down direction is adjusted by the second adjustment member  125 ′, the first adjustment member  115 ′ may move the penetrating member  170 ′ in the left and right direction by rotating the first rotator in one direction or the opposite direction. 
     Since the second adjustment member  125 ′ is disposed above the through hole  170 ′ as described above and the panel bracket  122 ′ is mounted on the second adjustment member  125 ′, when the penetrating member  170 ′ is moved, the second adjustment member  125 ′ is linked with the penetrating member  170 ′ and moved in the left and right direction such that the panel bracket  122 ′ may also be interconnected and moved. The panel  40 , coupled with the coupling bracket  140 ′ formed to be integrated with the panel bracket  122 ′, may be linked with movement of the panel bracket  122 ′ and moved in the left and right direction to be adjusted in position. 
     When the penetrating member  170 ′ moves in the left and right direction, the third adjustment member  135 ′ which passes through the penetrating member  170 ′ may be linked therewith and moved in the left and right direction. Here, the third through hole  133 ′ through which the third adjustment member  135 ′ passes may restrict left and right movement of the third adjustment member  135 ′. 
     For prevent this, as described above, the third through hole  133 ′ is long in the left and right direction not to restrict the third adjustment member  135 ′ even when the third adjustment member  135 ′ is moved in the left and right direction, and the third adjustment member  135 ′ may be moved by a certain distance within the third through hole  133 ′. 
     After the position of the panel  40  in the left and right direction is adjusted by the first adjustment member  115 ′, the third adjustment member  135 ′ may move the penetrating member  170 ′ in the front and rear direction by rotating the third rotator in one direction or the opposite direction. 
     The penetrating member  170 ′ may move in the front and rear direction and pressurize the coupling bracket  140 ′ in the front and rear direction to move the panel  40  in the front and rear direction. 
     When the penetrating member  170 ′ moves in the front and rear direction, the first adjustment member  115 ′, which passes through the penetrating member  170 ′, may be linked therewith and moved in the front and rear direction. Here, the first through hole  113 ′ through which the first adjustment member  115 ′ passes may restrict front and rear movement of the first adjustment member  115 ′. 
     To prevent this, as described above, the first through hole  113 ′ is long in the front and rear direction so as not to restrict the first adjustment member  115 ′ even when the first adjustment member  115 ′ is moved in the front and rear direction, and the first adjustment member  115 ′ may be moved by a certain distance within the first through hole  113 ′. 
     After the position of the panel  40  is adjusted by movement of the penetrating member  170 ′ in the up and down direction, the left and right direction, and the front and rear direction, the third adjustment member  135 ′ may be rotated in one direction to be screw-coupled with the coupling bracket  140 ′. Due to this, after the position of the panel  40  is adjusted, the third adjustment member  135 ′ may be finally coupled with the coupling bracket  140 ′ to allow the panel  40  to be supported by the door  30 . 
     As is apparent from the above description, a refrigerator in accordance with one embodiment of the present disclosure may include an adjustment apparatus capable of three-way adjustment of position in an up and down direction, a front and rear direction, and a left and right direction, and may allow a user to easily adjust a position of a panel in front of a refrigerator door by using one component. 
     Although the present disclosure has been described with an exemplary embodiment, various changes and modifications may be suggested to one skilled in the art. It is intended that the present disclosure encompass such changes and modifications as fall within the scope of the appended claims.