KR20140009668A - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator, and in particular, a main body in which a storage space is formed, a door for opening and closing the storage space, a hinge plate provided on one side of the main body, and a nut part protruding upward of the hinge plate. And a hinge shaft screwed to the nut part and inserted into an insertion groove formed on a lower surface of the door, wherein a height adjustment groove is formed on a lower surface of the hinge shaft, thereby simplifying the height of the refrigerator door. The refrigerator can be easily adjusted with.

Description

Refrigerator {Refrigerator}

The present invention relates to a refrigerator.

More particularly, the present invention relates to a refrigerator which can be easily adjusted in a simple configuration.

Generally, refrigerator is a device that can store various kinds of foods at low temperature to delay the propagation of bacteria, thereby preventing food corruption and facilitating storage.

However, such a refrigerator may not have a horizontal level on an installed floor, or an assembly tolerance may accumulate, thereby causing a step between refrigerator doors.

Conventional refrigerators for solving this problem are those disclosed in Korean Patent Publication No. 904,364.

1 is an exploded perspective view showing a part of a conventional refrigerator.

As shown in FIG. 1, the conventional refrigerator includes a restraint mechanism 60, a shaft 50, a bracket 40, and the like.

Looking at this in more detail, the bracket 40 is mounted on the lower front of the cabinet 10 corresponding to the lower end of the door 20. Bracket 40 is to support the door 20 from below, bent in a substantially 'b' shape when viewed from the side, one side is coupled to the cabinet 10, the other side will be described below The shaft 50 is mounted.

At this time, the shaft 50 and the bracket 40 are coupled by a screw coupling method, for this purpose, a thread is formed on the inner circumferential surface of the shaft hole 41 formed in the cabinet 10 and the outer circumferential surface of the shaft 50. Therefore, when the shaft 50 is rotated, the shaft 50 is movable up and down based on one surface of the bracket 40.

In addition, the receiving groove 22 is formed at the lower end of the door 20, that is, the lower surface of the cap deco forming the lower surface of the door. Receiving groove 22 is for accommodating the restraint mechanism 60 to be described in detail below, it is formed recessed inward from the position to be the center of rotation of the door (20).

The receiving groove 22 is formed in a substantially rectangular cross-sectional shape, the restraint mechanism 60 is mounted inside the receiving groove 22. The restraint mechanism 60 allows the shaft 50 to be described below to be selectively rotated, and is configured such that the shaft 50 can be rotated together according to a user's operation when the door 20 is rotated.

The restraint mechanism 60 includes a case 61 formed in a shape corresponding to the shape of the accommodation groove 22, the ratchet wheel 63, the ratchet lever 65, and the elastic member accommodated inside the case 61. (67) And it is comprised by the operation means 69 provided so that operation is possible outside the case 61. As shown in FIG. A more detailed description of the restraint mechanism 60 will be described below.

On the other hand, the shaft 50 is provided on the rotation center extension line of the door 20. The shaft 50 is a shaft of rotation of the door 20 and is selectively moved up and down during the rotation operation of the door 20, and is formed in a round bar shape having a predetermined diameter.

The moving part 51 is formed in the lower part of the shaft 50. The moving part 51 allows the shaft 50 to move up and down when the shaft 50 rotates, and the thread corresponding to the screw thread formed on the inner circumferential surface of the shaft hole 41 of the bracket 40 has a diameter of the shaft 50. It is formed by being formed continuously on the outer peripheral surface. Therefore, the vertical length of the moving part 51 is formed by the length which can move up and down of the shaft 50.

The support part 53 is formed around the upper shaft 50 corresponding to the upper end of the moving part 51. The support part 53 is for supporting the door 20 from below, and extends to the outside along the circumference of the shaft 50 by a predetermined width, and is formed in a disc shape having a predetermined thickness. The support part 53 is configured to be in contact with the lower surface of the door 20 or the auto closing means 70 to be described below when the lower hinge assembly 30 is mounted.

In addition, the coupling part 55 is formed at the upper end of the shaft 50. The coupling part 55 penetrates the ratchet wheel 63 constituting the restraint mechanism 60 and is formed in a polygonal cross-sectional shape so as to rotate together with the ratchet wheel 63 when engaged with the ratchet wheel 63. .

The upper end of the shaft 50, that is, the coupling part 55, is inserted into the case 61 constituting the restraint mechanism 60, and is engaged with the ratchet wheel 63 inside the case 61.

On the other hand, between the case 61 and the bracket 40 is provided with a spacer 75 and the auto closing means 70 in close contact with the lower surface of the door 20, the shaft 50 is mounted to penetrate them, respectively. At this time, the upper portion of the support portion 53 of the shaft 50 passes through the spacer 75 and the auto closing means 70. The conventional refrigerator configured as described above overcomes the step by adjusting the height of the refrigerator door 20 by operating the operation means 69.

However, such a conventional refrigerator has a problem in that a configuration for height adjustment is very complicated, and thus manufacturing is not easy.

The present invention is to provide a refrigerator that can easily and easily solve the height adjustment of the refrigerator door only by a simple configuration.

A main body in which a storage space is formed, a door for opening and closing the storage space, a hinge plate provided at one side of the main body, a nut part protruding upward of the hinge plate, and screwed in the nut part, The hinge shaft is inserted into the insertion groove formed in the lower surface of the door, characterized in that the height adjustment groove is formed on the lower surface of the hinge shaft.

In addition, a locking jaw is formed around the center of the hinge shaft.

The refrigerator according to the present invention has the following advantages.

Since the refrigerator of the present invention has a simple configuration for height adjustment, there is an advantage in that it is also easy to manufacture.

The refrigerator of the present invention has an advantage that the height of the refrigerator door can be easily and easily adjusted by rotating the height adjusting groove left and right using a wrench or a screwdriver.

1 is an exploded perspective view showing a part of a conventional refrigerator.
2 is a schematic view showing a refrigerator according to a preferred embodiment of the present invention.
3A is an enlarged cross-sectional view showing a portion A of FIG. 2.
3B is an enlarged cross-sectional view illustrating a state in which the height of the door is increased in FIG. 3A;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

The refrigerator of the present invention includes a main body 100 in which the storage spaces 110 and 110 'are formed, doors 120 and 120' for opening and closing the storage spaces 110 and 110 ', and a hinge plate 200 provided at one side of the main body 100. And a hinge shaft which is screwed with the nut part 400 protruding upward of the hinge plate 200 and inserted into the insertion groove 125 formed on the bottom surface of the door 120. Including the 300, the lower surface of the hinge shaft 300 includes a height adjusting groove 340 is formed.

2 is a schematic view showing a refrigerator according to a preferred embodiment of the present invention.

As shown in FIG. 2, the body 100 has one or more storage spaces 110 and 110 ′ formed therein.

Storage spaces 110 and 110 ′ are spaces for storing food at a low temperature.

The storage space 110 may be formed to have a longitudinal direction longer than the horizontal direction as needed.

In addition, the storage space 110 ′ may be formed to have a transverse direction longer than that in the longitudinal direction.

The doors 120 and 120 'are installed to open and close the storage spaces 110 and 110'.

The storage space 110 ′ having a transverse direction longer than the longitudinal direction opens and closes the storage space 110 ′ by moving the door 120 ′ in a horizontal direction.

The storage space 110 having a longitudinal direction longer than the transverse direction has an upper hinge 130 installed at the upper left and right ends of the main body 100 and a lower hinge 140 installed at the front center left and right ends of the main body 100 as axes. The storage space 110 is opened and closed in a form in which 120 is rotated.

FIG. 3A is an enlarged cross-sectional view illustrating part A of FIG. 2, and FIG. 3B is an enlarged cross-sectional view illustrating a state in which the height of the door 120 is increased in FIG. 3A.

As illustrated in FIG. 3A and FIG. 3B, the lower hinge 140 includes a hinge shaft 300, a hinge plate 200, and a nut part 400.

Hinge plate 200 is composed of a mounting portion 210 and the protrusion 220.

The installation portion 210 is formed in a plate shape long in the transverse direction.

The shape of the installation unit 210 may be elliptical or rectangular if necessary.

In addition, the shape of the installation unit 210 may be formed so that the left side is rounded, the right side has a corner.

In the installation portion 210, two coupling holes into which coupling screws 255 and 255 ′ may be inserted are formed at the left side of the protrusion 220 to be described later, and one coupling hole smaller than this is formed at the right side of the protrusion 220 to be described later. .

The installation unit 210 is positioned at the right end of the center of the main body 100 and is fixed to the main body 100 by the coupling screws 255 and 255 '.

The protrusion 220 is formed at the right side of the installation unit 210.

The protrusion 220 has a plate shape that protrudes in the vertical direction with the installation unit 210.

Protruding portion 220 is formed with a nut 400 to be described later serves to support the door 120 and the hinge shaft 300 to be described later.

The nut part 400 is formed on the right side of the protrusion 220.

The nut part 400 is a cylindrical shape that rises upward from the upper surface of the protrusion 220.

The nut part 400 includes a through hole 410 in the vertical direction.

The through hole 410 is formed with a thread around the inner surface, but the threaded portion is not formed in the lower portion of the through hole 410.

The hinge shaft 300 includes a bolt portion 310, a locking jaw 320, and an insertion portion 330.

The bolt portion 310 is in the shape of a cylinder having threads formed around its outer surface.

The outer surface of the bolt portion 310 is formed to correspond to the inner surface of the nut 400.

The thread formed around the outer surface of the bolt 310 and the thread formed around the inner surface of the nut 400 are screwed together.

When the bolt part 310 is applied in a counterclockwise direction, the bolt part 310 moves upward along the screw thread, thereby increasing the height of the door 120 into which the insertion part 330 to be described later is inserted.

In addition, the bolt portion 310 is moved to the lower side along the screw thread when the clockwise rotation is applied, the height of the door 120 is inserted into which the insertion portion 330 to be described later is lowered.

On the contrary, the bolt 310 may be manufactured to move downward along the screw thread when applied to the counterclockwise direction, or may be manufactured to move upward along the screw thread when the clockwise rotation is applied.

The height adjusting groove 340 is formed at the center of the lower surface of the bolt portion 310.

Height adjusting groove 340 may be formed in a polygonal shape, such as a triangle or a square or a pentagon.

In addition, the height adjustment groove 340 may be formed in a '+' or '-' shape.

Height adjustment groove 340 allows the user to apply a wrench or a screwdriver to apply a rotation to the bolt portion (310).

A locking jaw 320 is formed on an upper surface of the bolt part 310.

Hanging jaw 320 is the shape of the disc.

A portion of the upper surface of the locking jaw 320 is in contact with the step 127 of the door 120, and a portion of the lower surface of the locking jaw 320 is in contact with the nut 400.

The locking jaw 320 serves to prevent the bolt part 310 from falling below a certain height when the bolt part 310 is rotated to move the bolt part 310 downward.

Insertion portion 330 is formed on the upper surface of the locking jaw (320).

Insertion portion 330 is in the shape of a cylinder, has a diameter smaller than the diameter of the locking projection 320, is formed to have a diameter larger than the diameter of the bolt portion (310).

Here, the diameter of the insertion portion 330, the locking jaw 320, the bolt portion 310 may be manufactured differently as needed.

The insertion part 330 is inserted into the insertion groove 125 of the door 120 to become a rotation axis of the door 120.

It is preferable that the installation groove 335 is formed on the upper surface of the insertion portion 330.

The installation groove 335 may be easily coupled using a wrench or a screwdriver when the bolt 310 and the nut 400 of the hinge shaft 300 are separated.

The lower hinge 140 configured as described above is installed at each of the front center left and right ends of the main body 100 to enable the opening and closing of the door 120 together with the upper hinge 130 installed at the upper left and right ends of the main body 100.

In addition, the vertical height of the door 120 can be easily and effectively adjusted by simply operating the lower hinge 140.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. can do.

100: main body 110, 110 ': storage space
120, 120 ': Door 125: Insertion groove
127: step 130: upper hinge
140: lower hinge 200: hinge plate
210: mounting portion 220: protrusion
255, 255 ': Coupling screw 300: Hinge shaft
310: bolt portion 320: locking jaw
330: Insertion portion 335: mounting groove
340: height adjustment groove 400: nut portion
410: through hole

Claims (2)

A body in which a storage space is formed;
A door for opening and closing the storage space;
A hinge plate installed at one side of the main body;
A nut part protruding upward of the hinge plate;
A hinge shaft screwed to the nut part and inserted into an insertion groove formed on a lower surface of the door;
Refrigerator, characterized in that the height adjustment groove is formed on the lower surface of the hinge shaft.
The method according to claim 1,
Refrigerator, characterized in that the locking step is formed around the center of the hinge shaft.

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