KR100920982B1 - Refrigerator - Google Patents

Abstract

A refrigerator is disclosed.

The disclosed refrigerator includes a storage space partitioned by a shelf provided in a cooling space; An inner door that opens and closes an open surface of the storage space; A guide unit for guiding the inner door to be rotated about one side thereof to be pushed into the lower part of the shelf; And a flow preventing unit preventing the flow after the rotation of the inner door and being pushed integrally with the inner door.

According to the cold air leakage prevention apparatus of the disclosed refrigerator, first, the opening and closing member is provided to prevent cold air from leaking out of the storage space when opening and closing the door of the refrigerator to minimize the amount of cold air outflow has the effect of preventing unnecessary power consumption.

Second, it is possible to prevent the movement of the opening and closing member to be constrained when opening and closing the inner door has the effect of resolving emotional complaints that may occur to the consumer.

Third, since the flow of the opening and closing member is prevented during opening and closing of the inner door, there is an effect of preventing the noise caused by the flow of the opening and closing member.

Refrigerator, guide unit, anti-floating unit.

Description

Refrigerator {REFRIGERATOR}

The present invention relates to a refrigerator, and more particularly, to a refrigerator having an inner door for selectively opening and closing the open front surfaces of a plurality of storage spaces partitioned by shelves provided in a cooling space.

The refrigerator is a device for storing foods such as meat, fish, vegetables, fruits, and beverages in a fresh state.

In general, a refrigerator includes a refrigerator main body including storage spaces such as a freezer compartment, a refrigerator compartment, and a vegetable compartment, a refrigerating cycle apparatus provided in the refrigerator main body to maintain the storage spaces at a set temperature, and mounted at one side of the refrigerator main body. It is configured to include a door for opening and closing the storage space.

In addition, a plurality of shelves are mounted in the cooling space of the refrigerator to accommodate the storage, and recently, an inner door for opening and closing an open surface of the storage space partitioned by the shelves is mounted together.

The inner door is hinged to one side of the shelf to open the storage space by the consumer lifting the inner door, or by opening the storage space by the consumer lifting the inner door and pushing it to the bottom of the shelf. There is.

However, this internal door structure has the following problems.

First, in the case of a structure in which the consumer opens the storage space by lifting the inner door, the inner door should be lifted in order to take out the goods stored in the storage space, so that the inside door is held by one hand and the other is held by one hand. There is an inconvenience of having to take out the storage.

Second, in the case of a structure in which the consumer opens the storage space by lifting the inner door and pushing it to the bottom of the shelf, the inconvenience of having to hold the inner door with one hand can be eliminated.

However, when the consumer pushes the side of the inner door in the process of pushing the inner door, the inner door is to rotate the rotational motion in addition to the movement is pushed to the bottom of the shelf. That is, the length between the center portion and the side portion to which the force is applied becomes the arm of the moment to facilitate the rotational movement of the inner door.

As a result, when the inner door is pushed, there is a problem that the side is restrained and does not move, thereby causing a feeling of dissatisfaction of the consumer, the problem that the inner door is broken when the consumer applies excessive force There is this.

The present invention is to solve the above-described points, the present invention is to selectively open and close the open front of the storage space partitioned by the shelf of the refrigerator in order to prevent the leakage of cold air due to opening and closing the door of the refrigerator The purpose of the present invention is to provide a refrigerator that is prevented from being restrained when the inner door is opened and closed.

Refrigerator according to an aspect of the present invention, the storage space partitioned by a shelf provided in the cooling space; An inner door that opens and closes an open surface of the storage space; A guide unit for guiding the inner door to be rotated about one side thereof to be pushed into the lower part of the shelf; And a flow preventing unit preventing the flow after the rotation of the inner door and being pushed integrally with the inner door.

The guide unit may include a pair of guide rails provided at both lower sides of the shelf; And a pair of sliding parts coupled to each of the guide rail parts and moving along the guide rail parts, and coupled to both sides thereof so that the inner door is rotatable.

The sliding part may include at least two rollers whose rotation axes are arranged in parallel to be fitted to the guide rail part; A connecting member connecting the rotating shaft of the roller; And an inner door joint formed on one side of the connection member and rotatably coupled to the inner door.

The flow preventing unit, the flow preventing groove provided on one side of the connection member; And a flow preventing protrusion provided at one side of the inner door and coupled to the flow preventing groove after the rotation of the inner door.

On the other hand, the refrigerator according to another aspect of the present invention, the sliding portion of the rectangular sliding member fitted to the guide rail portion; And an inner door coupling part formed at one side of the sliding member and to which the inner door is rotatably coupled.

The flow preventing unit, the flow preventing groove provided on one side of the sliding member; And a flow preventing protrusion provided at one side of the inner door and coupled to the flow preventing groove after the rotation of the inner door.

According to the cold air outflow prevention device of the refrigerator of the present invention,

First, the opening and closing member is provided to prevent cold air from leaking from the storage space when opening and closing the door of the refrigerator, thereby minimizing the amount of cold air leaking, thereby preventing unnecessary power consumption.

Second, since the outflow of cold air from the storage space of the refrigerator is minimized, the amount of temperature change inside the storage space is minimized, thereby ensuring an appropriate storage temperature of the storage. As a result, storage efficiency and consumer satisfaction with the product can be improved.

Third, it is possible to prevent the movement of the opening and closing member is restrained during opening and closing of the inner door has the effect of resolving the emotional complaints that may occur to the consumer.

Fourth, since unnecessary flow of the opening and closing member is prevented during opening and closing of the inner door, noise caused by the flow of the opening and closing member is prevented.

Hereinafter, a cold air leakage preventing apparatus of a refrigerator according to a first embodiment of the present invention will be described with reference to the drawings.

1 is a perspective view of a refrigerator according to a first embodiment of the present invention, Figure 2 is a perspective view showing a structure in which the inner door in Figure 1 is mounted.

As shown in FIG. 1, a cooling space 11 for storing food is provided in the refrigerator body 10. The cooling space 11 may be a freezing compartment or a refrigerating compartment or a vegetable storage compartment.

The refrigerator 110 has a plurality of shelves 110 for placing food or containers containing food in the cooling space 11 of the refrigerator body 10, the cooling space is a plurality of storage spaces (S) by the shelves (110) It is divided into

An open front of the storage space S partitioned by the shelf is provided with an inner door 100 that opens and closes it.

As a result, the inner door 100 blocks the opened front surface of the storage space S to prevent the cold air filled in the storage space S from flowing out.

Meanwhile, as shown in FIG. 2, the inner door 100 according to the present embodiment is coupled to the shelf 110, and the shelf 110 is an inner wall of the cooling space 11 of the refrigerator body 10. Removably attached to (13).

That is, a plurality of mounting portions 112 protruding in a predetermined shape are formed in lower portions of both side plate portions 111 of the shelf 110, and a plurality of mounting holes 113 are formed in the side plate portion 111. . The mounting part 112 is preferably formed to have a predetermined thickness and area and is bent.

In addition, insertion holes 112 ′ in which the mounting portions 112 of the shelf 110 are mounted are formed on the inner wall of the cooling space 11 of the refrigerator main body 10, and the mounting holes 113 of the shelf 110 are formed on the upper side thereof. Mounting protrusions 113 'are inserted into the field.

The mounting portions 112 of the shelf 110 are inserted into insertion holes 112 ′ formed on both inner walls 13 of the cooling space 11, and the mounting protrusions 112 are mounted on the mounting holes 113 of the shelf 110. 113 ') are inserted respectively.

In such a structure, the shelf 110 is detachable from the inner wall 13 of the cooling space 11 of the refrigerator body 10.

Alternatively, the shelf 110 may be slidably inserted into inner walls 13 of both sides of the storage space of the refrigerator body 10.

Hereinafter, the shelf and the inner door assembly according to the present embodiment will be described in detail.

3 is a perspective view of a shelf and an inner door assembly according to a first embodiment of the present invention.

As shown in FIG. 3, the shelf and the inner door assembly according to the present embodiment include a shelf, an inner door, a guide unit, and a flow preventing unit.

The shelf 110 is configured to include a transparent base plate 114 having a rectangular shape, and a frame 115 surrounding the edge of the transparent base plate 114.

The transparent base plate 114 is preferably made of a glass plate having a predetermined thickness.

The shelf frame 115 has a rectangular frame portion 116 in which the transparent base plate 114 is located, and side plate portions 111 formed to be bent and extended at both ends of the edge portion 116, respectively. And a plurality of plate fixing parts 117 extending to the inner side of the edge portion 116 to fix the transparent base plate 114.

The side plates 111 of the shelf frame 115 are located on both inner walls 13 of the storage space, respectively. One side of the side plate portion 111 is formed to protrude to the front than the edge portion 116.

The side plate 111 may be manufactured as a separate component from the frame 115 and coupled to the frame 115.

The inner door 100 is rotatably coupled to the side plate portions 111 of the shelf frame 115 so as to open and close an open front surface of the storage space S partitioned by the shelf 110.

In addition, the inner door 100 is rotated in a state parallel to the transparent base plate 114 of the shelf and then is horizontally linearly moved from the front end to the rear end of the shelf by a horizontal linear motion to be pushed into the bottom of the shelf. .

On the other hand, one side of the inner door 100, in particular, the front lower portion of the inner door 100 is preferably a handle portion 101 for the rotation of the inner door 100 is formed.

The handle portion 101 is preferably formed such that the front surface of the inner door 100 is recessed toward the rear side.

The guide unit 120 is provided on inner walls of the side plates 111 of the frame 115 to guide the inner door 100 to be opened and closed by rotation and horizontal linear motion.

The flow preventing unit 130 prevents the movement of the inner door 100 from being restrained during the horizontal linear movement of the inner door 100.

That is, even if a force difference occurs between the left and right ends when the consumer pushes the inner door 100 to the rear end of the shelf, the moving distance of the left and right ends of the inner door 100 is kept constant, and the inner door ( To prevent the movement of 100).

Hereinafter, the guide unit and the flow preventing unit will be described in detail.

4 is a perspective view illustrating an inner door, a guide unit, and a flow preventing unit according to a first embodiment of the present invention, FIG. 5 is an enlarged perspective view of main parts of FIG. 4, and FIG. 6 is a first embodiment of the present invention. Fig. 7 is a plan view of the inner door according to the first embodiment of the present invention.

4 to 7, in the present embodiment, the guide unit includes a guide rail part and a sliding part. The sliding part includes a roller, a connecting member, and an inner door coupling part.

The guide rail portion 121 is formed to have a predetermined thickness, width, and length, and a guide hole 125 having a predetermined length is formed therein.

In particular, fixing grooves 126 are formed on the upper and lower sides of the guide rails 121 to fix the guide rails 121 to the sidewalls 111 of the shelf 110.

On the other hand, on the upper and lower sides of the guide rail portion 121, a temporary fixing protrusion 127 for temporarily fixing may be further formed before the fixing of the guide rail portion 126, which may be formed as a hook such as a hook. have.

As a result, the guide rail part 120 is temporarily fixed to the side plate part 111 of the shelf 110 by the locking protrusions, and then the screw is fastened, which is preferable in terms of assembly.

The guide hole 125 is formed horizontally with a predetermined width and length, the length is preferably formed to be approximately equal to the length from the top to the bottom of the inner door (100).

The fixing groove 126 is provided at the upper end of the guide rail portion 121 is fastened to the side plate portion 111 of the shelf 110 by screws or the like.

The sliding part 128 is formed on at least two rollers 124, the connection member 122, and one side of the connection member 122, the inner door is rotatably coupled to the inner door 100 The coupling part 123 is included.

The roller 124 is coupled to the guide hole 125 to move along the guide hole 125.

When the sliding portion 128 moves along the guide hole 125, it is preferable to form a recess groove along the outer circumferential surface of the roller 124 to prevent it from being separated therefrom.

For the same reason, the width of the guide hole 125 is preferably larger than the diameter of the groove of the roller 124, but smaller than the diameter of the outer peripheral surface of the roller 124.

On the other hand, the at least two rollers 124 are each coupled to the rotation axis in parallel to one connection member 122. This is to prevent the sliding part 128 from being rotated while being coupled to the guide hole 125. In particular, this is to prevent the flow preventing unit 130 to be described later is rotated.

The inner door coupling part 123 is provided in the connection member 122. In FIG. 4, the inner door coupling part 123 is illustrated as being provided on the rear surface of the connection member 122 to which the roller 124 is coupled, but this is only an example and the surface on which the roller 124 is formed. Of course, it can be provided. In this case, however, the inner door coupling part 123 is provided to prevent interference with the roller 124.

The inner door coupling part 123 may be coupled to the sliding part 128 so that the inner door 100 may be rotatably provided. That is, the position at which the hinge shaft and the hinge shaft coupling groove are provided may correspond to one side of the inner door 100 and the connection member 122 as long as the hinge shaft and the hinge shaft coupling groove are provided to correspond to each other.

On the other hand, as shown in Figure 4 to 7, the flow preventing unit 130, one side of the flow preventing projection 131 and the sliding portion 128 protruding from the rear surface of the inner door 100. The inner door 100 is rotated to include a flow preventing groove 132 into which the flow preventing protrusion 131 is inserted.

The flow preventing protrusion 131 is formed to protrude perpendicularly to the rear surface of the inner door 100 is fitted into the flow preventing groove 132 in accordance with the rotation of the inner door 100, the inner door ( It is preferably formed symmetrically on both sides of the upper end of 100).

The flow preventing groove 132 is formed on one side of the connection member 122, that is, the same surface on which the inner door coupling part 123 is formed, and a predetermined distance from the inner door coupling part 123. Spaced apart.

Alternatively, the flow preventing groove 132 may be provided on the surface on which the roller 124 is provided as long as it does not interfere with the movement of the roller 124 as described above.

The predetermined distance means a distance equal to a distance between a hinge shaft or a hinge shaft coupling groove formed on the rear surface of the inner door 100, that is, the inner door coupling portion 123 and the flow preventing protrusion 131. do.

On the other hand, by the combination of the flow preventing projection 132 and the flow preventing groove 131, the line connecting the pair of flow preventing projections 132 is provided orthogonal to the guide rail portion 121. .

In addition, the flow preventing groove 132 is not a groove in which all four sides are blocked, it means a groove that is open to the surface and the upper surface toward the rear end of the shelf 110. Since the flow preventing protrusion 132 is also rotated by the rotation of the inner door 100 to be inserted into the flow preventing groove 132, when the grooves are blocked in all directions, the flow preventing protrusion 131 is not fitted. Because it is not.

In addition, the cross-section of the flow preventing protrusion 131 and the flow preventing groove 132 is preferably provided in the same, but the cross-sectional shape may be formed in various ways, such as square, circular.

Hereinafter, the opening and closing operation of the inner door of the refrigerator according to the first embodiment of the present invention will be described.

8 is a side cross-sectional view showing an open state of the inner door according to the first embodiment of the present invention.

As shown in FIG. 8, when the consumer grabs the handle 101 of the inner door 100 and lifts it up, the inner door 100 rotates about the inner door coupling part 123.

The flow preventing groove 132 provided on the sliding part 128 has the flow preventing protrusion 132 provided on both sides of the upper end of the inner door 100 while being rotated until the inner door 100 is parallel to the shelf 110. When fitted to the 131, the inner door 100 is no longer rotated.

Next, when the consumer pushes the inner door 100 toward the rear end of the shelf 110, both sides of the upper end of the inner door 100 is in the flow preventing protrusion 132 and the flow preventing groove 131. By being fixed to the sliding part 128 by the inner door 100 is prevented from moving to the left and right to reduce unnecessary noise, and also, the moving distance of both ends of the upper end of the inner door 100 is always the same This prevents the phenomenon that the horizontal linear motion of the inner door is constrained.

Hereinafter, the internal door of the refrigerator according to the second embodiment of the present invention will be described in detail. However, within the limit overlapping with the content described in the first embodiment described above, it will be replaced with the description below.

9 is a side sectional view showing an inner door according to a second embodiment of the present invention, and FIG. 10 is a plan view of an inner door according to a second embodiment of the present invention.

9 and 10, in the inner door 200 of the refrigerator according to the second embodiment of the present invention, the sliding portion 228 is a guide hole 225 of the guide rail portion 221. A rectangular sliding member 224 to be fitted in, the inner door engaging portion 223 is formed on one side of the sliding member 224 and the inner door 200 is rotatably coupled.

The sliding member 224 is preferably formed in a rectangular shape, the groove is formed along the circumference. Thereby, the effect of reducing the assembly cost can be further obtained by simplifying the configuration of the sliding portion 228.

In addition, forming a recess groove along the circumference of the sliding member 224 is to prevent the sliding portion 228 from being separated from the sliding portion 228 when it moves along the guide hole 225.

Therefore, the width of the guide hole 225 is preferably larger than the width of the groove, but smaller than the width of the sliding member 224.

Meanwhile, the reason why the sliding member 224 is provided as a rectangular member is to prevent the sliding part 228 from being rotated while being coupled to the guide hole 225 as described above.

On the other hand, in the present embodiment, the flow preventing unit 230 is provided on one side of the flow preventing groove 231 and the inner door 200 provided on one side of the sliding member 224 and the inner door 200 It includes a flow preventing projection 232 coupled to the flow preventing groove 231 after the rotation.

As a result, the flow preventing groove 231 is formed in the sliding member 224, thereby simplifying the configuration and reducing the manufacturing cost.

In the above, specific embodiments of the present invention have been shown and described. However, the present invention can be embodied in various forms without departing from the spirit or essential characteristics thereof, and therefore, the above-described embodiments should not be limited by the contents of the detailed description, and further described above. Even if embodiments are not listed one by one in the description, they should be construed broadly within the spirit and scope defined in the appended claims. In addition, all changes and modifications included within the technical scope of the claims and their equivalents should be covered by the appended claims.

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

2 is a perspective view illustrating a structure in which an inner door of FIG. 1 is mounted;

3 is a perspective view of an inner door according to a first embodiment of the present invention;

4 is a perspective view showing an inner door, a guide unit, and a flow preventing unit according to a first embodiment of the present invention;

5 is an enlarged perspective view of a main part of FIG. 4;

6 is a side cross-sectional view showing an inner door according to a first embodiment of the present invention;

7 is a plan view of an inner door according to a first embodiment of the present invention;

8 is a side cross-sectional view showing an open state of an inner door according to a first embodiment of the present invention;

9 is a side sectional view showing an inner door according to a second embodiment of the present invention;

10 is a plan view of an inner door according to a second embodiment of the present invention.

*** Description of the symbols for the main parts of the drawings ***

110,210: Shelf 100,200: Interior door

120,220: guide unit 130,230: flow prevention unit

121,221: guide rail portion 128,228: sliding portion

124: roller 122: connecting member

123,223: inner door coupling 131,231: flow preventing groove

132,232: flow preventing protrusion 224: sliding member

Claims (11)

A storage space partitioned by a shelf provided in the cooling space; An inner door that opens and closes an open surface of the storage space; A guide unit for guiding the inner door to be rotated about one side thereof to be pushed into the lower part of the shelf; And And a flow preventing unit that prevents rotational flow in a horizontal direction on a horizontal plane after the rotation of the inner door and is pushed integrally with the inner door. The guide unit, A pair of guide rails provided at both lower sides of the shelf; And And a pair of sliding parts coupled to each of the guide rail parts and moving along the guide rail parts, and coupled to both sides thereof so that the inner door is rotatable. The sliding part, At least two rollers whose rotation shafts are arranged in parallel and fitted to the guide rails; A connecting member connecting the rotating shaft of the roller; And And an inner door coupling part formed at one side of the connection member and rotatably coupled to the inner door. delete delete The method of claim 1, Refrigerator, characterized in that the groove is formed on the outer peripheral surface of the roller. According to claim 1, wherein the flow preventing unit, A flow preventing groove provided at one side of the connection member; And And a flow preventing protrusion provided on one side of the inner door and coupled to the flow preventing groove after the rotation of the inner door. A storage space partitioned by a shelf provided in the cooling space; An inner door that opens and closes an open surface of the storage space; A guide unit for guiding the inner door to be rotated about one side thereof to be pushed into the lower part of the shelf; And And a flow preventing unit that prevents rotational flow in a horizontal direction on a horizontal plane after the rotation of the inner door and is pushed integrally with the inner door. The guide unit, A pair of guide rails provided at both lower sides of the shelf; And And a pair of sliding parts coupled to each of the guide rail parts and moving along the guide rail parts, and coupled to both sides thereof so that the inner door is rotatable. The sliding part, A rectangular sliding member fitted to the guide rail portion; And And an inner door coupling part formed at one side of the sliding member and rotatably coupled to the inner door. The method of claim 6, Refrigerator, characterized in that the groove is formed on the outer peripheral surface of the sliding member. According to claim 6, The flow preventing unit, Flow preventing groove provided on one side of the sliding member; And And a flow preventing protrusion provided at one side of the inner door and coupled to the flow preventing groove after the rotation of the inner door. According to claim 5 or 8, wherein the flow preventing unit, Refrigerators, which are provided on both sides of the inner door. The method of claim 5 or 8, wherein the inner door, Refrigerator, characterized in that the parallel to the shelf by the combination of the flow preventing projection and the flow preventing groove. The method according to claim 5 or 8, By combining the flow preventing protrusion and the flow preventing groove, the line connecting the pair of flow preventing projections is characterized in that orthogonal to the guide rail portion.

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