KR20150000102A

KR20150000102A - Apparatus for adjusting door of refrigerator

Info

Publication number: KR20150000102A
Application number: KR20130072056A
Authority: KR
Inventors: 조익제
Original assignee: 주식회사 대유위니아
Priority date: 2013-06-24
Filing date: 2013-06-24
Publication date: 2015-01-02

Abstract

Disclosure of the Invention The present invention relates to a step height adjusting device for a refrigerator door. The disclosed invention includes: a bracket portion coupled to a main body that is opened and closed by a door; A hinge shaft coupled to the bracket portion and extending along the longitudinal axis, the hinge shaft having the door positionably coupled along the longitudinal axis; An adjuster coupled to the hinge shaft to support the door and movable along the longitudinal axis to adjust the position of the door; And a fixing part for selectively limiting the movement of the adjusting part.
According to the present invention, it is possible to easily and precisely adjust the level difference of the door only by a simple rotation operation and to fix the position of the door by a simple operation of coupling the fixing portion to the adjusting portion, So that the step can be adjusted.

Description

[0001] APPARATUS FOR ADJUSTING DOOR OF REFRIGERATOR [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a step height adjusting device for a refrigerator door, and more particularly, to a step height adjusting device for a refrigerator door for adjusting a step height of a door provided in a refrigerator.

2. Description of the Related Art Generally, a refrigerator includes a compressor, a condenser, an expansion device, and an evaporator as main components to form a refrigeration cycle, and absorbs heat inside the storage chamber in the process of vaporization of a liquid refrigerant flowing inside the evaporator, It is a device that stores various foods freshly for a long time in a refrigerated or frozen state.

A door is provided on the front surface of the refrigerator body to seal the storage chamber kept at a low temperature. The door provided in the refrigerator is rotatably mounted on the refrigerator body by a door hinge so that the article housed in the refrigerator storage compartment can be easily accommodated. In recent years, a side-view type refrigerator in which a door is mounted on both sides of a refrigerator body has been widely used.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 2006-0062061 (published on June 12, 2006, entitled: Facing door refrigerator door).

An object of the present invention is to provide a step height adjustment device for a refrigerator door that can adjust a step height of a refrigerator door.

A leveling device for a refrigerator door according to the present invention includes: a bracket coupled to a main body opened and closed by a door; A hinge shaft coupled to the bracket and extending along a longitudinal axis, the door being positionably coupled along the longitudinal axis; An adjuster coupled to the hinge shaft to support the door, the adjuster being movable along the longitudinal axis to adjust the position of the door; And a fixing unit for selectively limiting the movement of the adjusting unit.

The hinge shaft portion may include a shaft portion extending in the up-and-down direction so that the longitudinal axis is formed in the up-and-down direction and screwed to the adjusting portion; An axial coupling portion coupling the shaft portion to the bracket portion; And a lifting and lowering engagement portion movably coupling the door to the shaft portion along the longitudinal axis.

The control unit may include a rotation nut unit that is rotatably provided and is screwed to the shaft unit to be moved along the longitudinal axis in association with the rotation, And a locking part provided on the rotary nut part and coupled with the fixing part.

Further, the fixing portion may include a bracket coupling portion detachably coupled to the bracket portion; And a bracket coupling portion extending from the bracket coupling portion and detachably coupled to the coupling portion, the bracket coupling portion being coupled to the bracket portion via a coupling between the bracket and the bracket coupling portion, And a locking axis portion for restricting the rotation.

The bracket portion may include a main body coupling portion coupled to the main body; A hinge shaft coupling portion extending from the main body coupling portion in a direction intersecting with the longitudinal shaft, the hinge shaft portion being coupled along the longitudinal axis; And an insertion hole formed to penetrate the hinge shaft coupling portion and into which the bracket coupling portion is inserted.

According to the step height adjusting device of the refrigerator door of the present invention, it is possible to easily and precisely adjust the step of the door by a simple rotation operation and also to fix the position of the door by a simple operation of connecting the fixing part to the adjusting part, So that the user can easily, quickly, and accurately adjust the level of the door.

In addition, the present invention is configured to allow the step difference of the door to be adjusted by only a small number of parts, thereby reducing the number of assembling steps and manufacturing cost. Therefore, it is easy to manufacture and has a low manufacturing cost.

FIG. 1 is an exploded perspective view illustrating a step height adjusting device of a refrigerator door according to an embodiment of the present invention.
FIG. 2 is a view showing a state in which the level difference adjusting device of the refrigerator door shown in FIG. 1 is engaged.
3 is a cross-sectional view showing a coupling structure of the step difference adjusting device of the refrigerator door shown in FIG.
FIG. 4 is a view showing a process of adjusting a step difference of the level difference adjusting device of the refrigerator door shown in FIG. 2. FIG.
FIG. 5 is a cross-sectional view showing a coupling structure of the step difference adjusting device of the refrigerator door shown in FIG. 4. FIG.
FIG. 6 is a view showing a stepped state of the level difference adjusting device of the refrigerator door shown in FIG.
FIG. 7 is a cross-sectional view showing a coupling structure of the level difference adjusting device of the refrigerator door shown in FIG. 6. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a step height adjusting device for a refrigerator door according to the present invention will be described with reference to the accompanying drawings. For convenience of explanation, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is an exploded perspective view of a step height adjusting device of a refrigerator door according to an embodiment of the present invention, FIG. 2 is a view showing a state in which a step height adjusting device of a refrigerator door shown in FIG. 1 is engaged, 2 is a cross-sectional view taken along line AA.

1 to 3, the apparatus for adjusting a level difference of a refrigerator door according to an embodiment of the present invention includes a bracket 110, a hinge shaft 120, a controller 130, (140).

The bracket portion 110 is coupled to the main body 10 which is opened and closed by the door 20. The bracket 110 includes a main body coupling portion 111 and a hinge shaft coupling portion 113.

The main body coupling portion 111 is coupled to the main body 10. In this embodiment, the main body coupling portion 111 is illustrated as being extended in a direction parallel to the side surface of the main body 10 and coupled to the side surface of the main body 10.

The hinge shaft coupling portion 113 extends from the main body coupling portion 111 in a direction intersecting the longitudinal axis A. [ In this embodiment, the hinge shaft coupling portion 113 is integrally formed with the main body coupling portion 111 and is illustrated as being formed to extend in a direction parallel to the lower surface or the upper surface of the door 20. [ The hinge shaft portion 120 is coupled to the hinge shaft coupling portion 113 along the longitudinal axis A.

The hinge shaft portion 120 is coupled to the bracket portion 110 and extends along the longitudinal axis A. The hinge shaft 120 is coupled to the door 20 such that the door 20 is rotatably coupled along the longitudinal axis A while being positionally adjustable along the longitudinal axis A. Here, the longitudinal axis A indicates an imaginary axis extending along the longitudinal direction of the hinge shaft 120, and in this embodiment, the longitudinal axis A is illustrated as an imaginary axis extending in the up-and-down direction. According to the present embodiment, the hinge shaft portion 120 includes the shaft portion 121, the shaft coupling portion 123, and the lift coupling portion 125. [

The shaft portion 121 is provided to extend in the vertical direction so that the longitudinal axis A is formed in the vertical direction. A thread (not shown) is formed on the outer circumferential surface of the shaft 121 so as to be screwed with the adjusting part 130.

The shaft coupling portion 123 connects the shaft portion 121 to the bracket portion 110 along the longitudinal axis A. The shaft coupling portion 123 is inserted into a through hole (not shown) formed in the hinge shaft coupling portion 113 and is coupled onto the hinge shaft coupling portion 113.

A support protrusion 124 is formed on the outer side of the shaft coupling part 123 so as to protrude outwardly of the shaft coupling part 123. The support protrusion 124 is provided on the hinge shaft coupling portion 113 so as to prevent the hinge shaft coupling portion 113 from being separated from the shaft coupling portion 123 in the vertical direction, .

The lifting and engaging portion 125 is coupled to the coupling hole 21 formed on the lower surface or the upper surface of the door 20 and is rotatably coupled to the door 20. The elevating and lowering engaging portion 125 is engaged with the engaging hole 21 and is rotatably engaged with the door 20. The elevating and lowering engaging portion 125 is engaged with the movement of the shaft portion 121 moved along the longitudinal axis A, 21 can be adjusted. The elevating and lowering engagement portion 125 is configured such that the door 20 can be moved along the longitudinal axis A to the hinge shaft portion 120 while being rotatably coupled to the hinge shaft portion 120 about the longitudinal axis A. [ And the like.

The adjuster 130 is coupled to the hinge shaft 120 to support the door 20. The adjuster 130 is movably provided along the longitudinal axis A to adjust the position of the door 20 along the longitudinal axis A. According to the present embodiment, the adjustment portion 130 includes a rotation nut portion 131 and a locking portion 133.

The rotation nut portion 131 is rotatably provided, and a screw thread is formed on the inner circumferential surface thereof and is screwed to the shaft portion 121. The rotation nut portion 131 can be moved along the longitudinal axis A in association with the rotation thereof. For example, the rotation nut portion 131 is moved upward in the shaft portion 121 in the one-directional rotation, and is moved in the downward direction on the shaft portion 121 in the rotation in the direction opposite to the one direction. (121).

The locking part 133 is provided on the rotation nut part 131 and is engaged with the fixing part 140. A plurality of engaging portions 133 are formed on the outer circumferential surface of the rotation nut portion 131 so as to engage with the rotation nuts 131 of the rotation nut portion 131. In this embodiment, And are spaced apart from each other by a predetermined distance.

The fixing part 140 is provided to selectively limit the movement of the adjusting part 130. [ The fixing portion 140 includes a bracket coupling portion 141 and a coupling shaft portion 143.

The bracket coupling portion 141 is detachably coupled to the bracket portion 110. According to the present embodiment, the bracket portion 110 is formed with an insertion hole portion 115 formed to penetrate through the hinge shaft coupling portion 113. The bracket coupling portion 141 may be detachably coupled to the bracket portion 110 by being fitted into the hinge shaft coupling portion 113 in such a manner that the bracket coupling portion 141 is inserted into the insertion hole portion 115.

The latching shaft portion 143 extends from the bracket coupling portion 141 along the longitudinal axis A, that is, in the direction parallel to the longitudinal axis A. The locking shaft portion 143 is formed to have a larger diameter than the bracket coupling portion 141 so as to form a step with the bracket coupling portion 141 so that the fixing portion 140 is stable on the bracket portion 110 So that it can be seated.

The latching shaft portion 143 is detachably coupled to the latching portion 133. In this embodiment, the engaging shaft portion 143 is illustrated as being detachably coupled to the engaging portion 133 in such a manner as to be inserted into a recessed portion of the engaging portion 133. [

The engagement shaft portion 143 is supported by the bracket portion 110 via the engagement of the bracket portion 110 and the bracket engagement portion 141 when engaged with the engagement portion 133, Limit. That is, the latching shaft portion 143 serves as a fixing medium for fixing the rotation nut portion 131 on the bracket portion 110 so that rotation of the rotation nut portion 131 is restricted.

FIG. 4 is a view showing a step adjustment process of the step difference adjusting device of the refrigerator door shown in FIG. 2, and FIG. 5 is a sectional view showing a coupling structure of the step difference adjusting device of the refrigerator door shown in FIG. FIG. 6 is a view showing a state in which the level difference of the level difference adjusting device of the refrigerator door shown in FIG. 4 is adjusted, and FIG. 7 is a sectional view showing a coupling structure of the level difference adjusting device of the refrigerator door shown in FIG.

Hereinafter, the operation and effect of the level difference adjusting device of the refrigerator door according to the present embodiment will be described with reference to FIGS. 1 to 7. FIG.

1 to 3, the door 20 is rotatably mounted on the main body 10 so as to be able to open and close the main body 10 via a rotatable coupling with the hinge shaft 120 coupled to the bracket 110, Respectively. The door 20 is supported by the adjusting portion 130 and the position along the longitudinal axis A is determined according to the position of the adjusting portion 130. [ The position of the adjusting part 130 is restricted by the fixing part 140 coupled to the bracket part 110 and the engaging part 133 of the adjusting part 130 so that the position of the adjusting part 130 along the longitudinal axis A Is fixed.

4 and 5, when the height of the door 20 is not aligned with the height of another adjacent door (not shown) The fixing part 140 is detached from the bracket part 110 and the engaging part 133 of the adjusting part 130 so that the adjusting part 130 can rotate.

Then, the adjustment unit 130 is rotated to change the position along the longitudinal axis A of the adjustment unit 130. At this time, since the door 20 is supported by the adjustment unit 130, the position along the longitudinal axis A changes in accordance with the change of the position of the adjustment unit 130. [

6 and 7, when the position of the door 20 to the target position is changed through the rotation operation of the controller 130 as described above, the fixing unit 140 is fixed to the bracket 110 And the adjusting unit 130 to complete the adjustment of the level difference of the door 20.

More specifically, the latching shaft portion 143 is coupled to the adjusting portion 130 in a state of being inserted into the recessed portion of the latching portion 133, and the bracket coupling portion 141 is engaged with the hinge shaft coupling portion 113 So that the latching shaft portion 143 can be supported by the bracket portion 110. As shown in FIG.

The fixing part 140 supported by the bracket part 110 and coupled to the adjusting part 130 restricts the rotation of the adjusting part 130 so as to be parallel to the longitudinal axis A of the adjusting part 130 By restricting the movement of the door 20, the position of the door 20 in which the positional change to the target position is completed is fixed, so that the state in which the door 20 is adjusted in the level difference can be maintained.

In this embodiment, the step adjustment device 100 of the refrigerator door is provided on the lower surface side of the door 20 installed in the side door type refrigerator, but the present invention is not limited thereto. The step adjustment device 100 of the refrigerator door of the present invention may be provided on the upper surface side of the door 20 and may be applied to various types of refrigerators other than the side door type refrigerator.

The step difference adjusting device 100 of the refrigerator door according to the present embodiment as described above can easily and precisely adjust the steps of the door 20 only by a simple rotation operation and can also adjust the fixing part 140 to the adjusting part 130 The position of the door 20 can be fixed by a simple operation of joining the door 20 to the door 20, so that the user can easily, quickly, and accurately adjust the level difference of the door 20.

In addition, the level difference adjusting device 100 of the refrigerator door according to the present embodiment is configured to be able to adjust the level difference of the door 20 with only a small number of parts, thereby reducing the number of assembling steps and manufacturing cost, There is an advantage to add.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the true scope of protection of the present invention should be defined by the following claims.

100: Step control device of the refrigerator door 110: Bracket part
111: main body coupling portion 113: hinge shaft coupling portion
115: insertion hole portion 120: hinge shaft portion
121: shaft portion 123: shaft coupling portion
125: lift-up coupling part 130:
131: rotation nut part 133:
140: fixing part 141: bracket coupling part
143:

Claims

A bracket portion coupled to a main body opened and closed by a door;
A hinge shaft coupled to the bracket and extending along a longitudinal axis, the door being positionably coupled along the longitudinal axis;
An adjuster coupled to the hinge shaft to support the door, the adjuster being movable along the longitudinal axis to adjust the position of the door; And
And a fixing unit for selectively limiting the movement of the adjusting unit.

The hinge device according to claim 1,
A shaft portion extending vertically so that the longitudinal axis is formed in a vertical direction and screwed to the regulating portion;
An axial coupling portion coupling the shaft portion to the bracket portion; And
And a lifting and lowering part coupled to the shaft to move the door along the longitudinal axis.

3. The apparatus according to claim 2,
A rotatable nut portion rotatably provided and screwed to the shaft portion to be moved along the longitudinal axis in association with the rotation; And
And a locking part provided on the rotation nut part and coupled with the fixing part.

The apparatus as claimed in claim 3,
A bracket coupling part detachably coupled to the bracket part; And
A bracket fixed to the bracket; a bracket coupled to the bracket, the bracket being coupled to the bracket by a coupling between the bracket and the bracket; And a latching portion for restricting the opening of the refrigerator door.

[5] The apparatus of claim 4,
A main body coupling portion coupled to the main body;
A hinge shaft coupling portion extending from the main body coupling portion in a direction intersecting with the longitudinal shaft, the hinge shaft portion being coupled along the longitudinal axis; And
And an insertion hole formed to penetrate the hinge shaft coupling part and into which the bracket coupling part is inserted.