KR20070070066A - Refrigerator and method of manufacturing door thereof - Google Patents

Abstract

A refrigerator and a method for manufacturing a refrigerator door are provided to form a door frame with metal materials for high strength and stiffness and a front panel with papers or plastic materials such as DANPLA, thereby reducing manufacturing cost. A refrigerator includes a door for opening/closing a storing chamber of a main body. The door has a door frame(30) formed with at least an opening, and at least a front panel(40) coupled with a front surface of the door frame for opening or closing the opening, wherein a decoration element(60) is supported and fixed to a front surface of the front panel by chassis(61a,61b). A rear panel(50) is coupled with a rear surface of the door frame, forms a foaming space together with the front panel, and fixing racks for receiving bottles.

Description

Refrigerator and Method Of Manufacturing Door Thereof}

1 is a perspective view of a refrigerator according to one embodiment of the present invention;

2 is an exploded perspective view of the refrigerator door used in FIG.

Figure 3 is a perspective view of the frame and the front panel combined in Figure 2;

Figure 4 is a cross-sectional view showing a state in which the foam member is filled between the front panel and the rear panel.

5 is a cross-sectional view showing a state in which the chassis is coupled.

Figure 6 is a sectional view showing a state in which the decorative member is coupled.

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

10: main body 20: door

30: frame 31: vertical frame

32a: first seating portion 32c: chamfer portion

36: horizontal frame 40: front panel

50: rear panel 60: decorative member

61a, 61b: chassis

The present invention relates to a method of manufacturing a refrigerator and a refrigerator door, and more particularly, to a method of manufacturing a refrigerator and a refrigerator door having a decorative member attached to a front surface of the door.

In general, the refrigerator is a device for supplying the cold air generated by the freezing cycle to the storage compartment to maintain the freshness of various foods for a long time. Generally, a refrigerator includes a main body that forms a storage compartment for storing food, and a door that is rotatably installed in the main body to open and close the storage compartment.

Recently, a decorative member such as solid wood or tempered glass is installed on the front of the door so that the exterior of the refrigerator looks beautiful. In order to manufacture the door of the refrigerator, an opening was formed by cutting the central portion of a single plate having a metal material, and the edge portion was formed by notching and bending to form a foam space in which the foam material is foamed.

However, since the door is formed of a single plate of metal material, a portion is cut when forming an opening in the center or notching the edge portion. Thus, the plate of the metal material that is cut in this way causes an increase in material costs.

In addition, the use of expensive metal plate even in the part of the door that does not need sufficient rigidity and strength, resulting in an increase in the manufacturing cost of the door and an increase in the weight of the door.

In addition, when bending the metal plate, the neighboring surfaces were bent to form 90 degrees to each other, so the strength of the edge portion was weak, and the foam material was filled up to the edge portion, and a large amount of foam material was used to increase the material cost.

The present invention is to solve the above problems, an object of the present invention is to provide a refrigerator and a method of manufacturing a refrigerator door that can lower the manufacturing cost of the door.

Still another object of the present invention is to provide a refrigerator and a method of manufacturing a refrigerator door, which can increase the rigidity and strength of the door edge portion.

A refrigerator according to the present invention for achieving the above object is a refrigerator having a main body for forming a storage compartment and a door for opening and closing the storage compartment, the door is a door frame having at least one opening, and the door At least one front panel coupled to the front of the frame to close the at least one opening, and a rear panel fixed to the rear of the door frame to form a foam space together with the front panel and to accommodate a water bottle, etc. And a decorative member installed at the front of the front panel.

In addition, the door frame is formed by combining a plurality of vertical frames and a plurality of horizontal frames.

In addition, each of the vertical frames to form a front surface and the first seating portion on which the front panel is seated, the side portion forming a side, the chamfer portion formed inclined between the first seating portion and the side portion, and the rear The rear panel includes a second seating part on which the rear panel is seated.

In addition, each vertical frame is coupled to a chassis for fixing the decorative member.

The chassis may include a first coupling part coupled to the first seating part, a second coupling part coupled to the side part, and an insertion hole together with the first coupling part to support a decorative member inserted into the insertion hole. It is provided with the support part.

The plurality of horizontal frames may be coupled to upper and lower ends of the plurality of vertical frames, respectively, to form upper and lower horizontal frames to form a rectangular skeleton, and the upper horizontal frames may be installed at the centers of the plurality of vertical frames. And a first horizontal frame forming a first opening and a second horizontal frame forming a second opening together with the lower horizontal frame.

In addition, the front panel is made of paper or plastic.

In addition, the plastic is DANPLA.

Method of manufacturing a refrigerator door according to the present invention for achieving the above object comprises the steps of forming a door frame by combining a plurality of vertical frames and a horizontal frame, and coupling the front panel to the front of the door frame; Injecting a foam liquid into the foam space formed by the door frame and the front panel, combining the rear panel to the rear of the door frame, and then foaming the foam liquid, and decorating the front of the door on each vertical frame. Coupling a chassis for fixing the decorative member to the decorative member; and fixing the decorative member to the chassis.

The method may further include forming a chamfer at the corner portion of the vertical frame.

Hereinafter, a refrigerator according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

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

As shown in FIG. 1, the refrigerator according to the present invention includes a main body 10 having a storage compartment 11 for storing food and a door rotatably installed in the main body 10 to open and close the storage compartment 11. 20a, 20b).

The storage compartment 11 is divided into a refrigerating compartment 11a for storing and refrigerating food by a middle partition 12 and a freezing compartment 11b for freezing and storing food, and the refrigerating chamber 11a is a freezing chamber 11b by a refrigerating chamber door 20a. Are respectively opened and closed by the freezer door 20b.

Each door 20a, 20b is rotated, and hinge devices 15 are installed at the upper and lower ends of the main body 10 so as to open and close the storage compartment 11.

A plurality of shelves 13 are installed in the storage compartment 11 to accommodate a container for food, and a rack 14 is installed in the door 20 to accommodate a container such as a water bottle. In addition, the refrigerator compartment door 20a is provided with a home bar 21a so that the user can withdraw water bottles without opening the refrigerator compartment door 20a, and the user does not open the freezer compartment 20b in the freezer compartment 20b. The dispenser 21b is installed so that water or ice can be taken out without.

In addition, the front of each door (20a, 20b) is provided with a decorative member 60, such as solid wood or tempered glass so that the front of the refrigerator looks beautiful.

Hereinafter, a detailed structure of the refrigerator doors 20a and 20b of FIG. 1 and a method of manufacturing the same will be described with reference to FIGS. 2 to 6. Since the structure of the refrigerating chamber door 20a and the freezing chamber door 20b are the same, the structure is referred to collectively as the door 20. Hereinafter, the structure of the door 20 and the manufacturing method thereof will be described using the general term door 20. do.

As shown in FIG. 2, the door 20 installed in the refrigerator according to the present invention is coupled to the front of the door frame 30 and the door frame 30, which forms a frame of the door 20, and the foam material is front of the door 20. The front panel 40 and the rear panel which is coupled to the rear of the door frame 30 to prevent the leakage to form a foam space with the front panel 40, the rack 14 for receiving water bottles, etc. is fixed ( 50, a chassis 61a and 61b coupled to the door frame 30 to fix the decorative member, and a decoration member 60 fixed to the chassis 61a and 61b to make the front of the refrigerator look beautiful. .

The door frame 30 forming the frame of the door 20 is formed by combining a plurality of vertical frames 31 and a plurality of horizontal frames 36.

2 shows an example in which the door frame 30 is formed by using two vertical frames 31 and four horizontal frames 36, but it is not necessary to form such a structure, and a plurality of vertical frames 31 are illustrated. And a plurality of horizontal frames 36 need only be formed.

The first and second vertical frames 31a and 31b respectively include a first seating portion 32a forming a front surface, a side portion 32b forming a side surface, and a first seating portion 32a and a side portion 32b. A chamfer 32c is formed to be inclined at a second, and a second seating portion 32d which forms a rear surface and on which the rear panel 50 is seated. The vertical frame 31 is manufactured by bending a plate of a metal material a plurality of times.

The upper and lower horizontal frames 36a and the lower horizontal frames 36b are coupled to the upper and lower ends of the first and second vertical frames 31a and 31b, respectively, to form a rectangular shape together with the first and second vertical frames 31a and 31b. It will form a skeleton. On the other hand, in the center of the first and second vertical frame (31a, 31b) and the first horizontal frame (36c) and the lower horizontal frame (36b) forming the first opening portion (38a) together with the upper horizontal frame (36a) The second horizontal frame 36d, which together forms the second opening 38b, is coupled.

Tapered portions 37 are formed at both ends of the upper horizontal frame 36a and the lower horizontal frame 36b so as to correspond to the end shapes of the first and second vertical frames 31a and 31b, respectively. A predetermined plane is formed so that the member does not leak to the top or the bottom.

Between the first horizontal frame 36c and the second horizontal frame 36d, a third opening 38c, in which the foam member is not filled, is formed and used as a space for the home bar or the dispenser. Thus, partition walls 39 are formed in the first and second horizontal frames 36c and 36d, respectively, so that the foam member is not filled to the third opening 38c.

The front panel 40 is seated between the upper horizontal frame 36a and the first horizontal frame 36c to form a first filling space, and the lower horizontal frame 36b and the second horizontal frame. A second front panel 40b is mounted between the frames 36d to form a second filling space.

The first front panel 40a and the second front panel 40b are not formed of a heavy and expensive material such as a metal plate, but may be formed of a cheap material having a predetermined strength and light weight such as paper and plastic.

As paper and plastics, those having a thin thickness and having a predetermined strength or more are preferably used. It is preferable that cardboard or the like be used as the paper, and DANPLA is preferably used as the plastic.

In particular, Danpla is an integral hollow structure and corrugated plastic carbon board made of polypropylene copolymer (PP Coplymer) by extrusion method, which has strong strength, light weight, excellent water resistance, oil resistance and chemical resistance. Suitable for use as 40b).

3 illustrates that the vertical frame 31 and the horizontal frame 36 are coupled to each other to form a door frame 30, and the first front panel 40a and the second front panel 40b are coupled to the door frame 30, respectively. And a perspective view showing a state in which the first filling space 41a and the second filling space 41b are formed.

When the first front panel 40a and the second front panel 40b are coupled to the door frame 30, the front panels 40a and 40b are formed on the first seats of the first and second vertical frames 31a and 31b. Supported by 32a, the first foaming space 41a and the second foaming space 41b are formed in the rear side of the first front panel 40a and the second front panel 40b, respectively.

As described above, the door frame 30 is laid in the state in which the first front panel 40a and the second front panel 40b are coupled to the door frame 30, and then the first foaming space 41a and the second foaming space 41b. Pour the foam into the rear panel 50 is seated on the door frame (30). As described above, the rear panel 50 is seated on the second seating portions 32d of the first and second vertical frames 31a and 31b, respectively, and then the rear panel 50 is jig (not shown) on the door frame 30. ).

When the foaming liquid is foamed in the foaming spaces 41a and 41b to change into a foaming material to fill the foaming spaces 41a and 41b, the door frame 30 and the rear panel 50 are integrated as shown in FIG. 4. .

At this time, since the chamfer portion 32c is formed at the corners of the first and second vertical frames 31a and 31b, the stiffness and strength of the corner portions of the first and second vertical frames 31a and 31b are increased. In addition, since the edges of the first and second vertical frames 31a and 31b are not filled with foam, the amount of foam filled in the door 20 can be reduced, thereby lowering the manufacturing cost of the door 20. have.

As shown in FIG. 5, in the state where the door frame 30 and the rear panel 50 are integrally formed as described above, the first vertical frame 31a may be mounted on the front surface of the door frame 30. ) Is provided with a first chassis 61a, and the second vertical frame 31b is provided with a second chassis 61b. The first chassis 61a and the second chassis 61b may be mounted using bolts or rivets, respectively. The first and second chassis 61a, 61b is preferably formed of a material such as aluminum that is light and can exhibit high strength.

The first and second chassis 61a and 61b have a first coupling portion 62 coupled to the first seating portion 32a and a second coupling portion 63 coupled to the side portion 32b, respectively. In addition, the support unit 64 is provided to support the front surface of the decorative member 60 while maintaining a predetermined distance from the first coupling portion 62.

An insertion hole 65 is formed between the first coupling part 62 and the support part 64 to insert the decorative member 60.

After the first chassis 61a and the second chassis 61b formed as described above are installed in the door frame 30, the decorative member 60 is inserted and mounted to beautifully decorate the front surface of the door 20. The decorative member 60 is divided into a first decorative member 60a installed on the upper side and a second decorative member 60b installed on the lower side with the third opening 38c as the center. Any material that can exhibit a decorative effect such as tempered glass can be used.

6 shows a cross-sectional view after the decorative member 60 is installed to be inserted into the insertion opening 65 of the first and second chassis 61a and 61b, and the decorative member 60 is connected to the first coupling portion 62. FIG. It can be seen that it is supported and fixed by the support 64.

Accordingly, the decorative member 60 can be stably supported, and the front exterior of the refrigerator can be changed by replacing the decorative member 60.

As described in detail above, according to the refrigerator according to the present invention, a door frame formed of a metal plate is supported only where the strength and rigidity are sufficiently necessary when forming the door, and the structural part does not need strength and rigidity. By using cheap materials such as paper or plastic, manufacturing costs can be reduced.

In addition, by forming a chamfer at the corner of the door frame can increase the strength and rigidity of the corner portion, and can reduce the amount of foam member is filled in the corner portion can reduce the amount of foam member to reduce the manufacturing cost.

Claims (10)

A refrigerator having a body for forming a storage compartment and a door for opening and closing the storage compartment, the refrigerator comprising: The door includes a door frame having at least one opening, at least one front panel coupled to a front surface of the door frame to close the at least one opening, and coupled to a rear surface of the door frame together with the front panel. A refrigerator comprising a rear panel to which a rack for receiving a water bottle or the like is formed to form a foam space and a decorative member installed on the front of the front panel. The method of claim 1, The door frame is a refrigerator, characterized in that formed by combining a plurality of vertical frames and a plurality of horizontal frames. The method of claim 2, Each of the vertical frames forms a front surface and includes a first seating portion on which the front panel is seated, a side portion forming a side surface, a chamfer portion formed to be inclined between the first seating portion and a side portion, and a rear surface. And a second seating portion on which the panel is seated. The method of claim 3, wherein Each of the vertical frame is a refrigerator, characterized in that the chassis for fixing the decorative member is coupled. The method of claim 4, wherein Each chassis supports a first coupling portion coupled to the first seating portion, a second coupling portion coupled to the side portion, and an insertion hole together with the first coupling portion to support a decorative member inserted into the insertion hole. Refrigerator comprising a. The method of claim 2, The plurality of horizontal frames are coupled to the top and bottom of the plurality of vertical frames, respectively, the upper horizontal frame and the lower horizontal frame to form a rectangular frame, and are installed in the center of the plurality of vertical frame with the upper horizontal frame And a first horizontal frame forming a first opening and a second horizontal frame forming a second opening together with the lower horizontal frame. The method of claim 1, The front panel is a refrigerator, characterized in that made of paper or plastic. The method of claim 7, wherein Refrigerator, characterized in that the plastic is DANPLA. Forming a door frame by combining a plurality of vertical frames and a horizontal frame; Coupling the front panel to the front of the door frame; Injecting a foam solution into the foam space formed by the door frame and the front panel; Bonding the rear panel to the rear of the door frame and foaming the foam liquid; Coupling a chassis for fixing a decorative member to decorate a front surface of the door to each vertical frame; And fixing the decorative member to the chassis. The method of claim 9, And forming a chamfer at the corner of the vertical frame.

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