KR20060109792A - Door closing of prevention device for refrigerator - Google Patents

Abstract

A refrigerator is provided to mount stoppers for preventing unintended retraction of door rails to prevent collision between a basket and a main body caused by a door when the door is closed while the basket is lifted. A refrigerator includes a main body(10) defined with upper and lower storage compartments(20,30), and a lower door(32) sliding forward or backward together with a basket(50), wherein the basket is lifted by a lifting driving unit mounted at a lower part of the basket. Door rails(60) are fixed to the lower storage compartment and the lower door to be extendable. Stoppers are mounted to the door rails, wherein the stoppers are inclined toward the door rails for stopping retraction of the door rails as the door rails are completely extended. Rotation pieces are mounted to the stoppers for sensing lifting of the basket to release the stoppers.

Description

Door closing of prevention device for refrigerator}

1 is a perspective view of a refrigerator according to the present invention.

2 is a perspective view of a refrigerator in which a basket of a lower reservoir of the refrigerator according to the present invention is separated.

3 is an enlarged perspective view of portion A of FIG. 2.

Figure 4 is a cross-sectional view showing a lower reservoir of the refrigerator according to the present invention.

5 is an exploded perspective view of the door closing preventing device of the refrigerator according to the present invention.

6 is a perspective view showing the operation of the door closing prevention device of the refrigerator according to the present invention.

Explanation of symbols on main parts of drawing

10 main body 12 bulkhead

20: upper reservoir 22: upper door

30: lower reservoir 32: lower door

40: drawer 50: basket

60: door rail 54: frame

56: guide rail 60: operation switch

70: basket lift drive unit 72: drive motor

74: arm 76: roller

100: stopper 110: pivoting weight

112: spindle 120: support bracket

122: hollow 130: pivoting piece

132: Brove

The present invention relates to a door closing prevention device for a refrigerator. More particularly, in a refrigerator in which a basket provided in a lower reservoir is pulled forward and then lifted for convenience of a user, the door is raised in a state where the basket is raised. The present invention relates to a refrigerator provided with a door closing prevention device to prevent a collision between the basket and the refrigerator body generated when it is closed.

Common refrigerators are provided with a refrigerator compartment and a freezer compartment for supplying low temperature cold air for long-term storage of perishable food at room temperature such as vegetables and meat. The general refrigerator as described above is divided into a freezer compartment and a refrigerating compartment by dividing the refrigerator body, and the general refrigerator divided into the freezer compartment and the refrigerating compartment has various designs to satisfy various needs of the user.

In recent years, as the design of the refrigerator requires various storage spaces for storage, the refrigerator is divided into a freezer compartment and a refrigerating compartment or a refrigerator compartment and a refrigerating compartment on both sides of the upper side, and a freezer compartment or a multipurpose compartment is provided on the bottom side. In the case of having a basket, the basket provided in the storage room is withdrawn to the front to facilitate the user's convenience, the basket is raised above a certain height so that the user can carry out business from the basket without bending the waist. To this end, the applicant has proposed a "refrigerator with a basket lift function" of Patent Application No. 10-2004-0055262.

Looking at the configuration of the pre-applied "refrigerator with a basket lifting function" briefly, the main body is formed with a cooling chamber having a front opening therein, the front opening of the cooling chamber sliding opening and closing along the front and rear directions of the main body A door formed therein and a receiving space therein, the basket being slidably integrated with the door on a rear surface of the door, and a basket lifting unit capable of elevating and driving the basket with respect to the door when the basket is withdrawn; It is possible to lift and lower the basket provided in the lower portion of the main body by the refrigerator having a basket lifting function.

However, if the door is closed before the basket lifted from the conventional refrigerator is returned to its original position, there is a problem that the basket and the refrigerator main body collide to cause breakage of the refrigerator.

The present invention is to solve the above problems, in the refrigerator lifted while the basket is pulled out of the lower reservoir, to prevent the lower door which is integrally drawn out with the basket in the raised position of the basket to be closed arbitrarily It is an object of the present invention to provide a door closing prevention device of a refrigerator capable of preventing a collision between the basket and the refrigerator body in advance.

According to the technical idea of the present invention for achieving the above object, the upper compartment and the lower reservoir is partitioned by the partition body, the lower door which is sliding forward and backward integrally with the basket provided in the lower reservoir, A basket lift driving unit provided at a lower portion of the basket to move the basket up and down; a stretched door rail having one end fixed to the lower reservoir and the other end fixed to the lower door; and provided when the door rail is fully extended and provided at the door rail. The center of the refrigerator is achieved by the door closing prevention device of the refrigerator including a stopper for blocking the shortening of the door rail and the rotating piece for releasing the stopper by detecting the lift of the basket on one side of the stopper.

On the other hand, in another technical idea of the present invention for achieving the above object, in the refrigerator lifted in a state in which the basket is pulled out of the lower reservoir, one end is fixed to the lower reservoir and the other end is fixed to the lower door A door rail and a stopper provided on the door rail to completely extend the door rail and the center of gravity is inclined toward the door rail to detect a drop of the basket on one side of the stopper to release the stopper. The door closing prevention device of the refrigerator including the rotating piece is achieved.

Here, it is preferable to include a stopper provided on the boundary side of the stretched door rail.

In addition, it is preferable that the stopper is provided with a pivot added to the center of gravity is inclined toward the upper side when the door rail is extended.

The stopper may include a hollow support bracket fixed to one side of the stretched boundary of the door rail, a main shaft inserted into the hollow of the support bracket, and a pivot provided at one end of the main shaft. .

In addition, it is preferable that the rotational center having the same center of rotation as one end of the main shaft, the asymmetrical shape is made upward, and the center of gravity is applied upward.

In addition, the pivoting piece is preferably fixed to the other end of the main shaft so as to be integrally rotated with the main shaft of the stopper, preferably includes a probe extending on the lifting path of the basket.

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

1 is a perspective view of a refrigerator according to the present invention, Figure 2 is a perspective view of the refrigerator separating the basket of the lower reservoir of the refrigerator according to the present invention. Referring to the drawings, the conventional basket is withdrawn to the front of the refrigerator 10 and the upper reservoir 20 and the lower reservoir 30 is formed in the front opening therein and the upper reservoir 20 The upper door 22 and the lower door 32 are provided so as to be opened and closed at the lower reservoir 30, and in particular, the lower reservoir 30 is opened and closed while sliding along the front and rear directions of the main body 10. A basket on the lower door 32 and a frame 54 fixed to the lower door 32 to form an accommodation space therein and disposed on a rear surface of the lower door 32 to slide integrally with the lower door 32. 50 is seated and configured. In addition, an upper reservoir 20 and a lower reservoir 30 are respectively formed in the interior of the main body 10 with the partitions 12 formed along the horizontal direction therebetween, and the upper reservoir 20 is rotatable and openable. The pair of top doors 22 are hinged.

In addition, the inside of the lower reservoir 30 is provided with a plurality of drawers 40 having a tubular shape upwardly open to store food therein, while the bottom of the lower door 32 to accommodate food A basket 50 having an upwardly open cylindrical shape is provided to be slidably integrally with the lower door 32 along the front-back direction. In addition, the partition wall 12 is formed in the main body 10 to partition the upper reservoir 20 and the lower reservoir 30, in some cases, the drawer 40 having a separate storage function in the partition 12 Can also be used internally.

In particular, the front opening of the lower reservoir 30 is coupled to the lower door 32 for opening and closing the lower reservoir 30 while sliding along the front and rear direction of the main body 10, both sides of the lower reservoir 30 Door rails 60 for slidingly supporting the lower door 32 are provided on the inner wall so as to be expandable and contractable along the front and rear directions.

The door rail 60 is largely provided with an out rail 62 having one end fixed to a lower reservoir, a center rail 64 inserted into the out rail 62 and sliding into the center rail 64, and an insert into the center rail 64. The inner rail 66 is slid and the other end is fixed to the lower door (32). In addition, the stopper 100 is provided at a boundary at which the center rail 64 and the out rail 62 of the door rail 60 are stretched, that is, a portion where the center rail 64 is completely extended from the out rail 62. .

Here, the door rail of the present invention has been described as an embodiment of the three-stage rail of the out rail, the center rail and the inner rail, the door rail is fixed to the inner wall surface of the lower reservoir in accordance with the length of the lower door is drawn out forward It is clear that a two-stage rail, which extends from the out rail and the out rail and which is fixed to the rear of the lower door, can also be applied.

 Meanwhile, the stopper 100 provided in the door rail 60 according to the present invention will be described with reference to FIG. 3. 3 is an enlarged perspective view of portion A of FIG. 2. Referring to the drawings, the stopper 100 is provided at the stretched boundary between the center rail 64 and the out rail 62 as described above, and one side of the out rail 62 is the lower reservoir 30. It is fixed to the side wall, and the other side is opened so that the center rail 64 is inserted and slidably installed. In addition, the stopper 100 is provided at one end of the center rail 64 so that the stopper 100 is provided so as not to interfere with the expansion and contraction of the center rail 64 sliding the out rail 62. .

In addition, the inner rail 66 is inserted into the other end of the center rail 64 so as to slide therein, and the other end of the inner rail 66 is fixed to the rear surface of the lower door 32. The stopper 100 is usually composed of a pivot 110, which is inclined toward the out rail 62, and a support bracket 120 for supporting the main shaft 112 formed integrally with the pivot 110. The rotation piece 130 is integrally rotated with the main shaft 112 to release the stopper 100.

Figure 4 is a cross-sectional view showing a lower reservoir of the refrigerator according to the present invention. Referring to the drawings, the refrigerator according to the present invention having the configuration as described above when the lower door 32 to withdraw the front in order to withdraw the basket 50 in the lower reservoir 30, the lower The basket 50 sliding integrally with the door 32 is pulled out, and the door rail 60 for supporting the lower door 32 extends forward, and forwards integrally with the lower door 32. The basket 50 to be slid is pulled forward in a state of being seated on the frame 54 integrally fixed to the rear surface of the lower door 32.

On the contrary, the lower reservoir 30 is closed to insert the basket 50 into the storage space of the lower reservoir. When the user pushes the lower door 32 to the rear of the lower reservoir 30, the lower door 32 is closed. ) Is supported by the door rail 52, the door rail 60 is shortened, the basket 50 located on the back of the lower door 32 is inserted into the lower reservoir (30).

Meanwhile, when the lower reservoir 30 is opened, the basket lift driving unit 70 is configured to drive the basket 50 up and down. The lower reservoir 30 is slid in the front and rear directions, thereby lowering the lower reservoir 30. The door rail 60 is fixed to the rear surface of the lower door 32 so as to open and extends to the lower reservoir 30, and the basket 50 is seated so as to be integral with the lower door 32. The frame 54 is provided on the rear surface of the lower door 32 so as to be slid, while the guide rail 56 is installed to guide when the frame 54 moves up and down on the rear surface of the lower door 32. do.

In addition, the basket lifting unit 70 is one side is rotatably coupled to the lower door, the other side is provided with an arm 74 is provided with a roller 76 in contact with the cloud from the lower surface of the frame 54, the arm 74 It is connected to one side of the) is composed of a drive motor 72 to be rotated forward or reverse according to the signal of the operation switch 34 provided on the front of the lower door (32).

In addition, the lower reservoir 30 is provided with a lower door 32 to open and close the lower reservoir 30 while slidingly moving along the front and rear directions of the main body 10, and a basket 50 is provided on the front surface of the lower door 32. In order to raise and lower the basket 50 at the time of withdrawal), an operation switch 34 which is operated by a user is installed.

Looking at the operation of opening the lower door of the refrigerator having the above configuration, in order to store or eat food in the basket 50 of the lower reservoir 30, the user slides the lower door 32 to the lower reservoir 30 is opened. At this time, when the operation of the door rail 60 is examined closely, as the lower door 32 extends outward, the door rail 60 extends, and one end is fixed to the lower reservoir 30. The center rail 64 extends from the rail 62. In addition, the inner rail 66 inserted into the center rail 64 also extends, and the lower door 32 is fully drawn out to maintain the door rail 60 fully extended. At this time, the stopper 100 provided at the stretched boundary between the center rail 64 and the out rail 62 is operated.

The operation according to the configuration of the stopper 100 will be described in detail with reference to FIG. 5. 5 is an exploded perspective view of the door closing preventing device of the refrigerator according to the present invention. Referring to the drawings, the stopper 100 has a hollow support bracket 120 fixed to one side of the stretched boundary of the center rail 64 and the out rail 62 and the support bracket ( A pivot that is inserted into the hollow 122 formed in the 120 and rotated, and has the same center of rotation as one end of the main shaft 112, the asymmetrical shape upwards and the center of gravity acts upwards It consists of 110.

The support bracket 120 is fixed by the fastening bolt 101 to one side of the boundary between the center rail 64 and the out rail 62 and is supported by the main shaft 112 having the pivot 110. The fixing bolt 102 is inserted into the hollow 122 of the bracket 110 and installed to be rotatable, while being integrally rotated with the pivoting piece 130 formed at the other end of the main shaft 112 corresponding to the pivot weight 110. ) Is fixed to the main shaft 112 through the fixing hole 134 formed in the pivoting piece. In addition, since the binding pin 114 is formed on the upper portion of the pivot 110, the center of gravity is reliably applied above the pivot weight 110, and the binding pin 114 is seated on the upper surface of the center rail 64. It is provided so that the pivot weight 110 is inclined to the upper surface of the door rail 60, that is, the center rail (64).

In addition, an insertion hole 64a is formed in the center rail 64 so that the binding pin 114 of the pivot 110 is seated on an upper surface of the center rail 64, and the upper portion of the pivot 110 is provided. A portion of the center rail 64 is inserted into the insertion hole 64a to prevent the center rail 64 from being arbitrarily inserted into the out rail 62.

In addition, the probe 132 is formed on the pivoting piece 130 which is fixed to the main shaft 112 by the fixing bolt 102, and the probe 132 has a pivotal weight 110 having a center rail 64. Contact the bottom surface of the basket 50 exposed and lowered on the lifting path of the basket 50 as much as the rotation range is inserted into the insertion hole 64a of the rotation, the pivot shaft 112 is rotated to insert the pivot 110 into the insertion hole It is provided so that it may remove from 64a.

According to the operation of the stopper as described above, when the door rail is fully extended, the center rail of the door rail is prevented from being arbitrarily returned to the inside of the out rail.

When the stopper 100 blocks the shortening of the door rail 60 as described above, the operation switch 34 provided on the front side of the lower reservoir 30 to raise the basket 50 seated on the frame 54. ). Accordingly, the driving motor 72 driven by the signal of the operation switch 34 starts the forward rotation, and the arm 74 connected to one end of the driving motor 72 is rotated upward. As the arm 74 moves upward, the roller 76 provided at the other end of the arm 74 starts rolling contact on the lower surface of the frame 54 to raise the frame 54. The frame 54 moves up and down along the rail 56 provided on the rear surface of the lower door 32. When the frame 54 is positioned above a predetermined height, the forward rotation of the driving motor 72 is stopped. The state is maintained, and as the frame 54 is raised, the basket 50 seated on the frame 54 is also raised. After the user achieves the desired purpose in the raised basket 50, , The basket 50 is lowered.

Contrary to the rising of the basket 50, in order to lower the basket 50, the user operates the operation switch 34 to rotate the driving motor 72 in the reverse direction of the driving motor 72. The arm 74 starts to rotate so that the frame 54 located on the upper surface of the roller 76 descends along the rail 56. Therefore, the basket 50 seated on the frame 54 is also lowered together.

When the basket 50 is lowered, the probe 132 exposed on the lifting path of the basket 50 is in direct contact with the bottom surface of the basket 50, and the probe 132 is rotated downward to The main shaft 112 fixed integrally with the rotation piece 130 is rotated in the opposite direction to the direction in which the out rail 62 is located. As the main shaft 112 rotates, the pivot 110 is removed from the insertion hole 64a of the center rail 64 so that the center rail 64 is not blocked from being returned to the out rail 62. do. When the stopper 100 is released from the insertion hole 64a of the center rail 64, the door rail 60 may be shortened. Accordingly, the user may slide the lower door 32 into the lower reservoir 30. Will be closed.

The lower door 32 drawn forward by the stopper 100 provided at the boundary of the center rail 64 that is stretched in the out rail 62 as described above may be prevented from sliding to the lower reservoir 30 arbitrarily. Thus, the accident caused by the collision between the refrigerator main body 10 and the basket 50 generated by closing the lower door 32 in a state in which the basket 50 is raised can be prevented in advance.

The door closing prevention apparatus of the refrigerator according to the present invention, by opening the lower door, when the door rail is fully extended, the stopper is blocked so that the door rail is no longer shortened, after which the basket is lifted for convenience of the user When the stopper is released by the lowering of the door rail, the door rail can be shortened, thereby preventing collision with the main body caused by closing the lower door with the basket raised.

On the other hand, the present invention is not limited only to the above-described embodiment, but can be modified and modified within the scope not departing from the gist of the present invention, the technical idea that such modifications and variations are also included in the claims Should be seen.

Claims (7)

A refrigerator body in which an upper reservoir and a lower reservoir are partitioned by partition walls; A lower door sliding forward and backward integrally with the basket provided in the lower reservoir; A basket lift driving unit provided at a lower portion of the basket to lift the basket; An elastic door rail having one end fixed to the lower reservoir and the other end fixed to the lower door; A stopper provided in the door rail and the door rail is fully extended to incline the center of gravity toward the door rail to block shortening of the door rail; And The door closing prevention device of the refrigerator comprising a rotating piece for releasing the stopper by detecting the lifting of the basket on one side of the stopper. In the refrigerator lifted while the basket is withdrawn from the lower reservoir, An elastic door rail having one end fixed to the lower reservoir and the other end fixed to the lower door; A stopper provided in the door rail to completely extend the door rail and to tilt the center of gravity toward the door rail to block a shortening of the door rail; And The door closing preventing device of the refrigerator comprising a rotating piece for releasing the stopper by detecting the falling of the basket on one side of the stopper. The method according to claim 1 and 2, The door closing preventing device of the refrigerator comprising a stopper provided on the boundary side of the stretched door rail. The method according to claim 1 and 2, When the door rail is extended, the door closing prevention device of the refrigerator including a stopper provided with a pivot added inclined toward the upper side of the door rail. The method according to claim 1 and 2, A hollow support bracket fixed to one side of the stretched boundary of the door rail; A main shaft inserted into the hollow of the support bracket and rotated; And The door closing preventing device of the refrigerator comprising a stopper consisting of a rotating weight provided on one end of the main shaft. The method of claim 5, It has the same center of rotation as one end of the main shaft, the asymmetrical upward shape is made of a rotating door further comprises a pivot added to the center of gravity upwards. The method according to claim 1 and 2, The pivoting piece is fixed to the other end of the main shaft to be integrally rotated with the main shaft of the stopper, the door closing prevention device of the refrigerator comprising a probe extending on the lifting path of the basket.

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