KR101651139B1 - Refrigerator - Google Patents

Abstract

The present invention comprises: a cabinet having a storage chamber therein; a door provided to a right side and a left side opening and closing the storage chamber; and a step control member provided to a rear surface of the door to control a horizontal stepped portion between the left door and the right door. The step control member comprises: a rotor provided to be rotated inside the door; and a stopper protruding from the outer circumferential surface of the rotor to come in contact with a front surface of the cabinet.

Description

Refrigerator {Refrigerator}

The present invention relates to a refrigerator including a step adjustment member for adjusting a front-rear step of a refrigerator door.

The term "refrigerator" refers to a device that stores coolant in a low-temperature state by supplying cold air generated by a refrigeration cycle to a storage room, thereby lowering the temperature of the storage room below room temperature.

The storage chamber is provided with a freezing chamber for maintaining the temperature of the freezing chamber and a refrigerating chamber for maintaining a higher temperature than the freezing chamber according to the difference in the internal temperature.

The refrigerator includes a top freezer type in which a freezing compartment is provided on the upper side, a bottom freezer type in which a freezing compartment is provided on the lower side, a freezer compartment, and a side by side type refrigerator compartment (Side by Side Type) and a French Door Type having a freezing chamber on the lower side of the side by side type and a French Door Type on the upper side.

The refrigerator to which the side-by-side type is applied generally includes a cabinet having an external appearance, a storage room provided inside the cabinet, and left and right doors for opening and closing the storage room.

1 is a perspective view showing a case where front and rear steps are generated between right and left doors of a refrigerator. FIG. 2 is a perspective view of a door of a conventional refrigerator. FIG.

As shown in FIG. 1, the degree of protrusion between the left door 21 and the right door 23 varies in the front-rear direction or the back-and-forth direction.

This can be caused by a slight distortion of the door due to the refrigerator manufacturing process and assembly tolerance of the cabinet.

Therefore, the front-rear step (d) between the right and left legs leads to the defective appearance of the product, and the appearance of the whole of the refrigerator is impaired.

In order to solve such a problem, the conventional refrigerator has a conventional stopper 99 on the rear surface of the doors 21 and 23 as shown in FIG.

The conventional stopper 99 adjusts the distance between the rear surface of the doors 21 and 23 and the front surface of the cabinet 1 to eliminate the front-rear step d between the left and right doors.

The stopper 99 is provided in the shape of a letter, and is inserted into and fixed to the insertion portion 91 provided on the back surface of the door.

The stopper 99 has at least three types of protrusions protruding back and forth.

That is, the length of the stopper 99 should be different from at least three types.

In this case, one of the various types of existing stoppers 99 was replaced according to the degree of protrusion of the door back and forth, thereby solving the problem of front-back stepping between the right and left doors.

However, there is a problem in that at least three or more separate stoppers must be provided since the degree of front-back stepping between the right and left doors differs depending on cases.

Further, since various kinds of stoppers are required depending on the type, the number of parts is increased.

In addition, there has been a problem in that, when a front and rear step of the right and left doors occurs due to use of a refrigerator by a consumer, a stopper of a new type or an A / S must be received in order to solve this problem.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a refrigerator which eliminates defective appearance due to front and rear steps between right and left doors.

 Another object of the present invention is to provide a refrigerator which can adjust the front and rear steps of a door with one step adjustment member even if the degree of protrusion of the door is different.

It is another object of the present invention to provide a refrigerator which can easily solve the front and back steps of a door that is newly generated as a consumer uses a refrigerator.

In order to solve the above-described problems, the present invention provides a cabinet comprising a cabinet having a storage chamber therein, a door provided on left and right sides respectively opening and closing the storage chamber, and a door disposed between the left and right doors, And a stepped adjustment member provided on the rear surface of the case.

Furthermore, the step adjustment member may include a rotating body rotatably installed in the door, and a stopper protruding from an outer circumferential surface of the rotating body and contacting the front surface of the cabinet.

The stopper may be provided on the outer circumferential surface of the rotating body.

The plurality of stoppers may have different lengths.

The plurality of stoppers may have a predetermined length.

Meanwhile, the rotating body may be rotatable up and down with respect to the ground, or the rotating body may be rotatable to the left and right with respect to the ground.

Further, the rotating body and the stopper may be integrally formed.

In addition, the rotating body and the stopper may be made of a rubber material for shock damping.

In addition, the rotating body may further include a rotating shaft at the center, and the rotating shaft may be made of a steel material.

Meanwhile, in the present invention, the step adjustment member may include a display portion on the stopper in order to identify the length of the stopper.

The display unit may be provided on one side of the stopper.

Further, the display unit may be embossed or embossed.

Furthermore, the present invention may further include an insertion hole provided on the back surface of the door, and a box inserted into the insertion hole and rotatably provided inside the rotation body.

The box may include a through hole to allow the stopper to protrude.

The through-hole may include an inclined portion inclined to the inside of the box.

The box may include an opening formed in a rear surface of the door and a box door configured to open and close the opening.

And the through hole is provided in the box door.

The present invention has the effect of providing a refrigerator wherein the left and right doors are placed on the same plane by solving the problem of front-to-back stepping between the right and left doors with the step adjustment member.

In addition, the present invention provides a refrigerator which can solve a step difference by using one step adjustment member even if the length of the front and back steps between the right and left doors is varied.

In addition, the present invention has an effect of providing a refrigerator which can eliminate front and rear steps of left and right doors that may occur according to the use of a refrigerator by rotating a step adjustment member.

1 is a perspective view showing a case where front and rear steps are generated between right and left doors of a refrigerator.
FIG. 2 is a perspective view of a door of a conventional refrigerator. FIG.
3 is a front perspective view of a refrigerator according to an embodiment of the present invention.
FIG. 4 (a) is a state in which a box having a stepped adjustment member provided in a refrigerator according to an embodiment of the present invention is coupled to a door.
FIG. 4 (b) is a view illustrating a state in which a box having a step adjustment member provided in a refrigerator according to another embodiment of the present invention is coupled to a door.
5 is a perspective view illustrating a step adjustment member provided in a refrigerator according to an embodiment of the present invention coupled to a box.
FIG. 6 is a perspective view illustrating a box and a step adjustment member separated from a refrigerator according to an embodiment of the present invention. Referring to FIG.
7 is a perspective view of a box and a step adjustment member separated from a refrigerator according to another embodiment of the present invention.

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

In the meantime, the structure of the apparatus described below is only for explaining the embodiment of the present invention, and is not intended to limit the scope of the present invention, and the same reference numerals used throughout the specification denote like elements.

3 is a front perspective view of the refrigerator of the present invention.

The refrigerator 100 according to an embodiment of the present invention includes a cabinet 1 having a storage room 11 therein and a door 2 provided on left and right sides of the storage room 11, And a step adjustment member 3 for adjusting the front-rear step between the right door.

The storage room 11 stores cold air therein, and can be provided as a refrigerating room or a freezing room. Each of the refrigerating or freezing compartments includes a shelf 13 in which a stored product can be stored, and a drawer (15).

The door 2 is rotatably connected to one side of the cabinet 1 by a hinge for opening and closing the storage chamber 11 and includes a left door 21 provided on the left side and a right door 23 provided on the right side ).

The door 2 includes a gasket 27 spaced apart from the edge of the back surface of the door 2 by a predetermined distance to prevent the leakage of cold air between the cabinet 1 and the door 2, The gasket 27 is made of a rubber material and has a magnet inside to seal the gap between the cabinet 1 and the door 2.

As described above, the left door 21 and the right door 23 are spaced apart from the front of the cabinet 1 due to the difference between the scattering of the gasket 27 and the spread of the refrigerator, So that a front-rear step (d) occurs between the left door 21 and the right door 23.

The front and rear steps of the right and left doors may be 0.5 mm, 1 mm, 2 mm, etc., and a step can be confirmed when the door 2 is viewed from the side of the refrigerator or when the side doors 2 are touched.

In order to solve such a problem, the step adjustment member 3 provided in the present invention is provided on the back surface of the left door 21 and the right door 23.

3 is a sectional view taken along a concentric circle A that meets the center of the front of the cabinet 1 at the back of the left door 21 and a concentric circle B which meets the front center of the cabinet 1 at the rear of the right door 23 . Or on the underside of the left door 21 and the underside of the right door 23 as well.

The functions and positions of the step difference adjusting member 3 have been described so far. Hereinafter, the specific shape of the step difference adjusting member 3 will be described.

The insertion holes provided on the back surface of the box 4 provided with the step difference adjusting member 3 and the doors 21 and 23 inserted with the box 4 are first described for the sake of consistency with the drawings . Hereinafter, the case in which the step adjustment member 3 is provided directly on the rear surface of the doors 21 and 23 will be described.

FIG. 4 (a) is a state in which a box having a stepped adjustment member provided therein is coupled to a door according to an embodiment of the present invention, and FIG. 4 (b) FIG. 5 is a view illustrating a state in which a box having a stepped adjustment member provided therein is coupled to a door. FIG.

4A and 4B, the refrigerator of the present invention includes insertion holes 25a and 25b provided in the back surface of the doors 21 and 23, insertion holes 25a and 25b, And a box 4,4 'inserted in the stepped member 3, 3' in the inside thereof.

Referring to the insertion hole, the insertion hole of the refrigerator according to the embodiment of the present invention shown in FIG. 4 (a) is provided with a vertically long first insertion hole 25a. That is, the first insertion hole 25a may be formed to be long in the height direction.

The first insertion hole 25a is a hole opened toward the cabinet 1. In other words, the first insertion hole 25a has a predetermined space in the interior of the doors 21 and 23 and is provided to be opened in the back direction of the doors 21 and 23. [

In addition, the predetermined space inside the first insertion hole 25a is provided with an inner tube in a shape corresponding to the outer appearance of the box 4. [ Therefore, when the box 4 is inserted, no gap is formed between the inner surface of the first insertion hole 25a and the outer surface of the box 4. [

The box 4 and the first insertion hole 25a are formed on the same plane so that the box 4 does not protrude when the box 4 is inserted into the first insertion hole 25a. .

Therefore, the user is prevented from seeing the box 4 inserted into the first insertion hole 25a.

On the other hand, there are two methods for inserting the box 4 into the first insertion hole 25a. First, the outer case of the doors 21 and 23 is coupled to the inner case, the box 4 is coupled to the first insertion hole 25a provided in the inner case, A method of fixing the box 4 in the first insertion hole 25a and a method of inserting an outer mold having the same shape as that of the box 4 into the first insertion hole 25a, And then the box 4 is inserted and fixed after removing the contour from the first insertion hole 25a.

FIG. 5 is a perspective view illustrating a stepped adjustment member provided in a refrigerator according to an exemplary embodiment of the present invention coupled to a box, FIG. 6 is a perspective view of a box provided in a refrigerator according to an embodiment of the present invention, to be.

The step difference adjusting member 3 and the box 4 according to an embodiment of the present invention will be described with reference to Figs. 5 and 6 (a).

First, the box 4 will be described. The box 4 includes an opening 43 having one side opened and a box door 45 for opening and closing the opening 43.

In other words, the box 4 has an opening 43 on the back surface of the doors 21, 23 and a box door 45 for opening and closing the opening 43.

The box 4 may be provided with the step adjustment member 3 in a predetermined space provided therein. The box 4 may have any shape, but for the sake of simplicity of manufacture, it is preferable that the box 4 has a shape of a cube.

Therefore, the box 4 can prevent the step adjustment member 3 from being exposed to the outside and being broken. The level difference adjusting member 3 is provided inside the box 4 and the level difference adjusting member 3 and the box 4 are provided as one kit and inserted into the insertion hole 25, It may be facilitated.

The height of the box 4 is longer than the width of the box 4. That is, it is long in the vertical direction.

The box 4 has a rotary shaft hole 41 in which a rotary shaft 311 provided in a rotary body 31 (to be described in detail later) of the step adjustment member 3 is inserted. Here, the rotary shaft hole 41 may be provided on the side surface of the box 4.

On the other hand, the box door 45 opens / closes the opening 43 of the box 4.

The box door 45 has a box door protrusion 451 on one side and the box door protrusion 451 is formed in a box door protrusion hole 431 provided on one side of the opening 43 of the box 4 Lt; / RTI >

Accordingly, the box door 45 can open the opening 43 while rotating around the box door protrusion 451.

In this case, it is preferable that the box door protrusion 451 is provided at a predetermined distance from one side of the box door 45. 5, when the upper side of the box door 45 is toward the inside of the box 4, the box door 45 rotates with the box door protrusion 451 as a rotation axis, 43 can be opened.

Furthermore, it is preferable that the box door protruding hole 431 is provided on the upper side of the box 4. This is because when the force acting on the box door 45 disappears after the box door 45 is opened because the rotation axis of the box door 45 is provided on the upper side of the box 4, The box door 45 returns to the original state and the opening 43 can be closed.

Meanwhile, the box door 45 has a through hole 453 through which the stopper 33, which will be described later, passes.

Therefore, the stopper 33 protrudes through the through hole 451 to the outside of the box 4. The content of the stopper 33 will be described later.

The through hole 453 preferably has an inner peripheral surface in a shape corresponding to the shape of the stopper 33 and is preferably fixed so that the stopper 33 penetrating the through hole 453 is fitted in the through hole and does not move Do.

The through hole 453 may further include an inclined portion 455 which is inclined inward of the box 4.

In other words, the inclined portion 455 has a larger cross-sectional area of the through-hole 453 toward the inside of the box 4, and a cross-sectional area of the through-hole 453 decreases toward the outside of the box 4 Respectively.

Therefore, when the box door 45 is closed, the stopper 33 can be easily inserted into the through hole 453. [ That is, since the cross-sectional area of the through-hole 453 is large on the inside of the box 4, the stopper 33 easily flows into the through-hole 453, and the stopper 33 rides on the slope 455, Is inserted into the through hole (453).

When the box door 45 is completely closed, the cross-sectional area of the through-hole 453 provided on the outer side of the box door 45 corresponds to the outer shape of the stopper 33, .

The box 4 and the box door 45 may be made of a steel material for strength or a plastic material of the same material as the doors 21 and 23. Alternatively, the box 4 may be made of a steel material, and the box door 45 may be made of a plastic material. However, it is preferable that the doors 21 and 23 are provided in the same color as seen from the back surface of the doors 21 and 23 so as not to hinder the unified feeling.

Hereinafter, the step adjustment member 3 will be described with reference to Figs. 6 (b) and 6 (c).

The step adjustment member 3 may be provided on the rear surface of the doors 21 and 23 to adjust front and rear steps between the left and right doors 21 and 23.

The step adjustment member 3 includes a rotating body 31 rotatably provided inside the doors 21 and 23 and a stepped portion 31 protruding from the outer circumferential surface of the rotating body 31 to contact the front surface of the cabinet 1 A stopper 33 may be included.

However, the rotating body 31 may be rotatably installed in the box 4 provided inside the doors 21 and 23.

The rotating body 31 may have the shape of a disk and includes a rotation axis projection 311 at the center of the plane of the disk and an extension line of the rotation axis projection 311 And is rotatable about a rotating shaft.

In this case, the rotating shaft is horizontally provided on the ground surface, and the rotating body 31 is rotated up and down.

In other words, the rotating body 31 includes the rotating shaft 311 horizontally on the ground surface, and the rotating body is provided so as to rotate in the vertical direction.

The rotating shaft 311 may be formed of the same material as the rotating body 31 and may be integrally formed. However, in order to support the rotation of the rotating body 31, the rotation axis projection 311 may be made of a steel material to increase the strength.

The stopper 33 protrudes from the outer circumferential surface of the rotating body 31 and contacts the front surface of the cabinet 1. The door 21 and 23 ) And the cabinet 1. [0031]

That is, the distance between the rear surface of the door (21, 23) and the front surface of the cabinet (1) is adjusted by the stopper (33). The front and rear steps of the doors 21 and 23 are eliminated.

The stopper 33 may have the same thickness as the rotating body 31.

In addition, the stopper 33 may be provided on the outer circumferential surface of the rotating body 331 in plural numbers.

In addition, the plurality of stoppers 33 may have different lengths, and the distance between the door 2 and the cabinet 1 may be reduced or increased.

The number of the stoppers 33 may be four to six. However, the present invention is not limited to this, and the number of the stoppers 33 may be less than four or more than six.

If the number of the stoppers 33 is four, the stopper 33 includes a first stopper 331, a second stopper 332, a third stopper 333, and a fourth stopper 334 .

Further, the first stopper 331, the second stopper 332, the third stopper 333, and the fourth stopper 334 are protruded from the outer circumferential surface of the rotating body 31, .

In this case, the length of each stopper 33 is set such that the first stopper 331 has the length L1 of the first stopper, the second stopper 332 has the length L2 of the second stopper, The third stopper length L3, and the fourth stopper 334 is defined as the length L4 of the fourth stopper.

The lengths L1, L2, L3 and L4 between the respective stoppers 33 are different from each other and the difference in length between the stoppers 33 may be 0.5 mm, 1.0 mm, 1.5 mm or 2.0 mm, But may be provided at various intervals such as 0.3 mm and 1.2 mm.

For example, when the difference in length between the respective stoppers 33 is 0.5 mm and the length L2 of the second stopper 332 is 20.0 mm, the length L1 of the first stopper 331 is 19.5 mm. The length L3 of the third stopper 333 is 20.5 mm and the length L4 of the fourth stopper 334 is 21.0 mm.

In addition, the lengths of the stoppers 33 may not be equal to each other. For example, the length L1 of the first stopper 331 is 20.0 mm, the length L2 of the second stopper 332 is 20.2 mm, the length L3 of the third stopper 333 is 20.5 mm, 4 stopper 334 may have a length L4 of 21.0 mm. That is, the difference in the lengths of the respective stoppers 33 can be changed according to the needs of the user or the needs of the manufacturer.

This is because it is possible to determine the length difference of each stopper 33 by experimentally determining the length of the step which can occur frequently in the manufacturing process, depending on the size and the capacity of the refrigerator.

However, if the length of the stopper 33 is too long, it may exceed the range in which the magnetizing force of the gasket 27 sealing the gap between the door 2 and the cabinet 1 between the door 2 and the cabinet 1 can act, Is set within a range in which the magnetizing force of the gasket 27 can act.

Meanwhile, the step adjustment member 3 provided in the refrigerator according to an embodiment of the present invention may include a display unit on the stopper 33 to identify the length of the stopper 33.

If the number of the stoppers 33 is four, the display unit may include a first display unit 351 in the case of the first stopper 331, a second display unit 352 in the case of the second stopper 332, The third display portion 353 in the case of the first stopper 333 and the fourth display portion 354 in the case of the fourth stopper 334. [

The display unit may be provided on one side of the stopper 33. That is, the stopper 33 may be provided on the end surface of the stopper 33 or on the side surface of the stopper 33.

Also, the display unit may display numbers (for example, 1, 2, 3, 4) printed on the display unit, engraved or embossed so as to represent the first to fourth stoppers.

6A and 6B, the first stopper 331 is provided with a first display portion 351 having one protrusion, a second display portion 351 having one protrusion, The third display portion 353 having three projections is provided on the third stopper 333 and the four projections are provided on the fourth stopper 334 and the second display portion 352 having one projecting portion is provided on the stopper 332, The fourth display unit 354 may be provided.

Therefore, the consumer or the operator can determine the length of each stopper 33 by looking at the first to fourth display portions 351, 352, 353, and 354, To the fourth stopper, so that the front and rear steps can be eliminated.

It is preferable that the stopper 33 is made of a rubber material for damping an impact generated when the doors 21 and 23 are closed.

In addition, since the stopper 33 and the rotary body 31 are integrally formed, the impact generated when the doors 21 and 23 are closed can be further damped. In this case, it is preferable that the integrally formed rotating body and the stopper are made of a rubber material.

Hereinafter, the effect of inserting and operating the step difference adjusting member 3 in the box 4 will be described.

When the box door 45 of the box 4 is rotated about the extension line of the box door protrusion 451, the box 4 rotates upward, the opening 43 is opened, The step difference adjusting member 3 is inserted into the rotary shaft 311 to fit the rotary shaft 311 into the rotary shaft hole 41 and the box door 45 is closed and then the step adjustment member 3 is inserted into the box 4 Is inserted into the first insertion hole 25a, the installation of the members for solving the front and rear steps of the right and left doors is completed.

When the left door 21 and the right door 23 are both closed, the left door 21 protrudes forward as compared with the right door 23, and the front door 21 and the right door 23, May occur.

In the first method, a worker in the work process or a user who uses the refrigerator opens the box door 45 provided in the right door 23 and rotates the step adjustment member 3 up or down to form a long stopper 33 And then the box door 45 is closed so that the stopper 33 can pass through the through hole 453 and be fixed.

The stopper 33 comes into contact with the front surface of the cabinet 1 to widen the distance between the right door 23 and the cabinet 1 so that the right door 23 protrudes forward. Therefore, the steps of the front and rear doors 2 between the left door 21 and the right door 23 can be eliminated.

In the second method, the distance between the left door 21 and the cabinet 1 is narrowed by changing the stopper 33 provided in the left door 21 to a small length, thereby eliminating the front and rear steps of the right and left doors.

Hereinafter, a refrigerator according to another embodiment of the present invention will be described. However, the description of the same matters described in the embodiment of the present invention will be omitted.

That is, the reference numerals of other embodiments of the present invention corresponding to the reference numerals of one embodiment of the present invention are the same, and other embodiments further include a prime (`) code.

Referring to the insertion hole, in the refrigerator according to another embodiment of the present invention shown in FIG. 4 (b), the insertion hole is provided as a horizontally long second insertion hole 25b. In other words, the second insertion hole 25b may be formed to extend in the left-right direction.

The second insertion hole 25b is a hole opened toward the cabinet 1. In other words, the second insertion hole 25b has a predetermined space in the interior of the doors 21 and 23, and is opened in the back direction of the doors 21 and 23.

In addition, the predetermined space inside the second insertion hole 25b is provided with an inner tube in a shape corresponding to the outer appearance of the box 4 '. Therefore, when the box 4 'is inserted, no gap is formed between the inner surface of the second insertion hole 25b and the outer surface of the box 4'.

Referring to Fig. 7 (a), the box 4 'according to another embodiment of the present invention will be described. The box 4' has an opening 43 ' And a box door 45 'for opening and closing the box door 45'.

Also, the box 4 'has a width longer than a height. That is, it is long in a horizontal direction.

The box 4 'has a rotary shaft hole 41' in which a rotary shaft 311 'provided in a rotary body 31' (to be described in detail later) of the step adjustment member 3 ' . Here, the rotary shaft hole 41 'may be provided on the upper surface of the box 4'.

Hereinafter, the step adjustment member 3 'will be described with reference to Fig. 7 (b).

The step adjustment member 3 'may be provided on the rear surface of the doors 21 and 23 to adjust front and rear steps between the left and right doors 21 and 23.

The step difference regulating member 3 'includes a rotating body 31' rotatably provided inside the doors 21 and 23 and a stepped portion 31 'protruding from the outer peripheral surface of the rotating body 31' And a stopper 33 'in contact with the stopper 33'.

However, the rotating body 31 'may be rotatably installed in the box 4 provided inside the doors 21 and 23.

The rotating body 31 'may have the shape of a disk and includes a rotation axis projection 311' at the center of the plane of the disk, and the rotation axis projection 311 ` As an axis of rotation.

In this case, the rotating shaft is provided perpendicular to the surface of the earth, and the rotating body 31 'is rotated to the left and right.

In other words, the rotating body 31 'includes the rotating shaft 311' perpendicular to the surface of the earth, and the rotating body is rotatable in the left and right directions.

Hereinafter, the effect of inserting and operating the step difference adjusting member 3 'into the box 4' will be described.

When the box door 45 'of the box 4' is rotated about the extension line of the box door protrusion 451 ', the box 4' rotates upward and the opening 43 ' The stepped adjustment member 3 'is inserted into the inside of the rotary shaft hole 41' so that the rotary shaft projection 311 'is fitted into the rotary shaft hole 41', the box door 45 'is closed, The installation of the member for solving the front and rear steps of the right and left doors is completed by inserting the box 4 'provided with the door 3' into the second insertion hole 25b.

When the left door 21 and the right door 23 are both closed, the left door 21 protrudes forward as compared with the right door 23, and the front door 21 and the right door 23, May occur.

In the first method, a worker in the work process or a user who uses the refrigerator opens the box door 45 'provided in the right door 23 and rotates the step adjustment member 3' 33 ', and then the box door 45' is closed so that the stopper 33 'passes through the through hole 453' and can be fixed.

Then, the stopper 33 'comes into contact with the front surface of the cabinet 1 to widen the distance between the right door 23 and the cabinet 1, thereby allowing the right door 23 to protrude forward. Therefore, the steps of the front and rear doors 2 between the left door 21 and the right door 23 can be eliminated.

In the second method, the distance between the left door 21 and the cabinet 1 is narrowed by changing the stopper 33 'provided in the left door 21 to a small length to eliminate the front and rear steps of the right and left doors .

The present invention may be embodied in various forms without departing from the scope of the invention. Accordingly, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

1: cabinet 11: storage room
2: Door 21: Left door
23: right door 25a: first insertion hole
3: step difference adjusting member 31: rotating body
33: stopper 351: first display section
4: box 43: opening
45: box door 453: through hole

Claims (17)

A cabinet having a storage room therein;
A door disposed on the left and right sides of the storage room, respectively;
A rotating body rotatably provided in the door for adjusting front and rear steps between the left and right doors; a plurality of protrusions protruding from an outer circumferential surface of the rotating body and having different lengths; A step adjustment member including a stopper to be contacted;
An insertion hole provided on a rear surface of the door;
A box inserted into the insertion hole and rotatably provided inside the rotation body;
And a through hole provided in the box so that an end of the stopper protrudes out of the box. delete delete The method according to claim 1,
Wherein a length of the plurality of stoppers is set to a predetermined length. The method according to claim 1,
Wherein the rotating body is rotatable up and down with respect to the ground. The method according to claim 1,
Wherein the rotating body is rotatable to the left and right sides with respect to the ground. The method according to claim 1,
Wherein the rotating body and the stopper are integrally formed. 8. The method of claim 7,
Wherein the rotating body and the stopper are made of a rubber material for shock damping. 9. The method of claim 8,
Wherein the rotating body further comprises a rotating shaft at the center, and the rotating shaft is made of a steel material. The method according to claim 1,
Wherein the step adjustment member includes a display unit on the stopper to identify the length of the stopper. 11. The method of claim 10,
Wherein the display unit is provided at one side of the stopper. 11. The method of claim 10,
Wherein the display portion is engraved with a relief or a relief. delete delete The method according to claim 1,
Wherein the through hole includes an inclined portion that is inclined inward of the box. The method according to claim 1,
The box having an opening to the rear surface of the door; And a box door for opening and closing the opening. 17. The method of claim 16,
And the through-hole is provided in the box door.

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