KR100407283B1 - Method to make a wooden case of refrigerator and refrigerator made its method - Google Patents

Abstract

The present invention relates to a method for manufacturing a refrigerator case composed of wood and a refrigerator manufactured by the manufacturing method. Among them, a method for manufacturing a refrigerator case composed of wood, comprising: integrally molding the inner and outer shells of the case with wooden boards, and then constructing a wall together with an air layer with one or more insulating wooden boards with the inner and outer surface boards and the inner insulation layer; Cutting to fit the outer shape of the case; Forming a groove such that the edge of the door and the edge portion of the door form the groove so that the protrusion is fitted after the outer shell is formed into a predetermined protrusion structure; Inserting both ends of the shell into the groove of the protrusion; And fastening a magnet to a magnetic fixing plate by screwing the magnet to one side of the door, and then attaching the magnetic fixing plate to the door with screws, and attaching the magnetic attachment plate to the bottom of the case body, which is the opposite surface, with a screw to mount the locking device. It is done.

Thereby, there is provided a refrigerator case manufacturing method and a method of manufacturing the refrigerator case composed of wood, which can be changed into a material that is easy to process while the internal structure thereof is appropriately changed according to the use.

Description

Method to make a wooden case of refrigerator and refrigerator made its method}

The present invention relates to a method for manufacturing a refrigerator case made of wood and a refrigerator manufactured by the manufacturing method. As shown in FIG. 1, a conventional refrigerator case includes a main body 101 and a main body 101 which are opened and closed. The door 102 is formed, and a hinge portion 103 is formed between the main body 101 and the door 102 to rotate the door 102 with respect to the main body 101. In the rear region 113 of the main body 101, a circulation fan 111 including a heat exchanger 112 is mounted to transfer cold air to the inside of the main body 101 through the discharge unit 107. In the case, after forming the outer shell 101a made of plastic or iron plate and the inner shell 101b made of plastic such as ABS by using a mold, the outer shell 101a and the inner shell 101b are combined, and then therebetween. It is produced by filling the heat insulating material 101c. At this time, in order to prevent the outer skin 101a and the inner skin 101b from being deformed during the heat insulating material 101c foaming molding, a predetermined foaming jig (not shown) is combined. By foaming and injecting a heat insulating material such as polyurethane through the foam liquid inlet (not shown), the foam body 101c is filled in the space between the inner and outer skins 101b and 101a, thereby manufacturing the main body 101 of the refrigerator. Of course, the door 102 also uses the above method as it is. However, in such a conventional refrigerator case manufacturing method, it is costly as a necessity of a mold for forming an outer skin, an inner skin and a foaming jig, and a mold development. On the other hand, there is a problem in that the existing mold cannot be used when changing the model, and various internal and external shapes cannot be varied depending on the use due to the limitation of the selection of the inner shell material and the subtraction gradient characteristic of the injection mold.

An object of the present invention for solving this problem is to change the material of the case into a material that is easy to process, while the internal structure of the refrigerator case made of wood that can be changed accordingly according to the use and the production method To provide a refrigerator.

1 is a side cross-sectional view showing a wall and configuration of a conventional thermoelectric refrigerator, and FIGS. 2 and 3 are schematic plan views, side cross-sectional views, respectively, of a refrigerator according to a first embodiment of the present invention, and FIG. 4 is AA of FIG. 3. 5 is an enlarged view of the magnetic switch region of FIG. 4, and FIGS. 6 and 7 are schematic plan cross-sectional views of the refrigerator according to the second and third embodiments of the present invention, respectively. Explanation of Codes for Main Parts 1 Body 1a: Shell 1b: Inner Shell 1c: Insulation Material 2: Door 4: Gasket 20: Locking Device

The object is the step of forming the wall together with the air layer with one or more insulating wooden boards of the inner and outer panels and the inner insulation layer after integrally molding the inner and outer shells of the case, respectively; Cutting to fit the outer shape of the case; Forming a groove such that the edge of the door and the edge portion of the door form the groove so that the protrusion is fitted after the outer shell is formed into a predetermined protrusion structure; Inserting both ends of the shell into the groove of the protrusion; And fastening a magnet to a magnetic fixing plate by screwing the magnet to one side of the door, and then attaching the magnetic fixing plate to the door with screws, and attaching the magnetic attachment plate to the bottom of the case body, which is the opposite surface, with a screw to mount the locking device. The above object is also achieved by the refrigerator produced by the above-mentioned manufacturing method. Here, a hole is formed in the center of the magnet attachment plate, and the case The lower end of the main body has a space in which the magnetic force switch is inserted and an electric wire passage communicating with the mechanical device chamber in the housing so that the magnetic force switch is connected by a predetermined control unit. And the door is closed based on the locking device. It has an electrical circuit of a 2-way magnetic switch in which the indoor light is turned off while the round fan is operating and the door is opened, and the indoor light is turned on while the circulation fan is stopped. The door may have a triple glass window. Each embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIGS. 2 and 3 are schematic plan and side cross-sectional views, respectively, of a refrigerator according to a first embodiment of the present invention. As shown in these figures, the refrigerator case according to the first embodiment of the present invention comprises a main body 1 and a door 2 for opening and closing the main body 1. The case according to the embodiment does not form a heat insulating layer by foaming the liquid heat insulating material 101c (see FIG. 1) after the combination of the inner and outer skins (see FIG. 1, 101b and 101a), and as shown in FIGS. 2 and 3. The inner skin 1b and 1a are integrally molded with a wood plate to form a heat insulating layer 1c between the inner and outer skins 1b and 1a. The refrigerator according to the first embodiment will be described with reference to FIGS. 2 and 3. As shown in Fig. 1, the door 2 on which the main body 1 and the gasket 4 are mounted, the radiator 10, the thermoelectric element 9, the thermal conductor 8, and the heat absorber with the lower wall therebetween. (7) is in close contact with the cold air to form a cooling fan 11 for cooling the radiator 10, a control device (not shown), and a cold air passage in the lower portion. Outlet 19a with partition 19 on top, circulation fan 18, room temperature sensor (not shown), floor shelf 14 with cold air outlet 14a, drain pipe 16 installed through floor insulation wall ), A drip tray 17 installed to collect condensed water through the drain pipe 16 at the bottom of the refrigerator and enter and exit from the bottom of the front of the refrigerator, and a locking device installed at one side of the door 2.

The operation of the refrigerator is performed by passing through the heat absorber 7 in FIGS. 2 and 3 at the upper portion of the refrigerator so that the internal temperature of the refrigerator is uniform by the circulation fan 18 along the passage formed by the rear wall and the partition 19. It is discharged to the discharge port 19a. In addition, the air introduced from the lower portion by the cooling fan 18 cools the radiator 10 and is discharged to the exhaust port 15 in the lower lower portion.

Next, a method of manufacturing the refrigerator case according to the first embodiment of the present invention will be described.

As shown in Fig. 3, the outer surface and the inner surface are respectively composed of the outer skin 1a and the inner skin 1b, which are wooden boards, and a heat insulating material 1c is filled therebetween. In forming the outer skin 1a and the inner skin 1b. In order to prevent deformation due to tree twisting, contraction, expansion, and the like, and to firmly hold the case, protrusions 3a and 3b are formed on both sides of the shell 1a and the shell 1b, respectively. ) And both ends of the endothelium 1b are fitted to the protrusions 3a and 3b. Accordingly, grooves (not shown) must be formed in each of the protrusions 3a and 3b. The both ends of the outer shell 1a and the inner shell 1b may be assembled into the grooves of the protrusions 3a and 3b. For maintenance and supplementation of strength, adhesive is used in the grooves of the protrusions 3a and 3b to which both ends of the outer shell 1a and the inner shell 1b are fitted, and the auxiliary woods 1d and 1e are made of wood nails on the inner surface of the case. Using the above method as it is, the front end of each wall contacting the door 2 is molded and joined to the insertion groove structure of the wall as shown in the left wall shear wood 1f of FIG. 2, and the same method of the door 2 is also performed. Gasket mounting groove is provided on the rim surface of the door 2 in contact with the main body 1 so that the “T” shaped gasket 4 can be simply inserted and assembled, as in the shape of the left left piece 2a and the right right piece 2b of the door. The locking device 20 of the door 2 cuts the magnets 21 on the upper and lower ends of one side of the door 2 as shown in FIGS. 4 and 5. The screw fixing plate 22 is fastened with screws 21a, the magnet fixing plate 22 is attached to the door 2 with screws 22a, and the magnet attaching plate 23 is attached to the bottom of the case body 1, which is the opposite surface. In addition, as shown in FIG. 5, as shown in FIG. 5, the hole 23b is shape | molded so that a magnetic force can pass through the center of the magnet attachment plate 23, and the magnet attachment plate 23 is At the lower end of the main body 1, a space in which the magnetic force switch 24 is inserted is inserted and a wire 24a is formed to communicate with the mechanical compartment inside the refrigerator so that the magnetic force switch 24 is connected to the controller (not shown). When (2) is open, the indoor cooling fan is prevented from leaking out quickly to the outside to reduce energy loss of the refrigerator, and the indoor circulation fan 18 intermittently operates according to the opening and closing of the door 2. When the door 2 is closed based on the locking device 20, the circulation fan 18 operates and the interior lamp provided in the main body 1 ) And the electric circuit (not shown) of the two-way magnetic switch in which the interior light is turned on while the circulation fan 18 stops when the door 2 is opened.

According to the use of the refrigerator, the heat insulation wall portion of the door 2 may be formed of a triple transparent glass window containing a moisture absorbent 20a between the glasses so that the interior is visible as shown in FIG. 6. This can be employed in the interior can be seen, such as a cosmetic refrigerator. Case production 2 Same as the case production method 1 described above, but in an environmentally friendly manner without using the foam insulation (1c) in the heat insulating layer of the wall in FIG. As shown in the figure, the wood having a relatively low thermal conductivity coefficient is composed of one or more insulating wooden boards 25 together with the air layer 25a, and the shape of the neck between the walls is formed into a groove structure as described above, and the respective insulating wooden boards ( 25) can be configured by inserting and fastening.

As such, by forming a part or the whole of the case material as wood as in the present invention, it is suitable for the production of small quantities of various varieties at low cost, various shapes are possible without the need for a mold, and easy to manufacture, the heat insulation required in the refrigerator case Will have

Effects obtained by the present invention are as follows.

Economical

Since the mold is not manufactured, development costs can be reduced, and the refrigerator case of various external designs can be simultaneously produced at the same cooling performance, while avoiding the uniform shape of mass production. In addition, it is possible to quickly respond to the production of refrigerators having a small quantity, a variety of colors, a specific shape on demand.

Product design aspects

The shape of the inside and outside of the refrigerator can be freely configured, and it can be designed to save the natural beauty of natural materials by escaping from the uniform material of plastic and iron plate, and it is possible to develop high value-added products.

Refrigerator use differentiation side

In addition to the food refrigerator mainly located in the kitchen, it is most useful for making low-temperature refrigerators such as cosmetic refrigerators and wine refrigerators suitable for the interior environment where the refrigerator is placed.

Environmental cotton

It is environmentally friendly when the product is disposed of.

Claims (5)

Forming the wall together with the air layer by at least one insulating wooden board with the inner and outer surface plates and the inner heat insulating layer after integrally molding the inner and outer skins of the case, respectively; Cutting to fit the outer shape of the case; Forming a groove such that the edge of the door and the edge portion of the door form the groove so that the protrusion is fitted after the outer shell is formed into a predetermined protrusion structure; Inserting both ends of the shell into the groove of the protrusion; And fastening a magnet to a magnetic fixing plate by screwing the magnet to one side of the door, and then attaching the magnetic fixing plate to the door with screws, and attaching the magnetic attachment plate to the bottom of the case body, which is the opposite surface, with a screw to mount the locking device. How to make a refrigerator case consisting of wood. The refrigerator produced by the manufacturing method of Claim 1. The method of claim 2, A hole is formed in the center of the magnet attachment plate, and a lower end of the case body has a space in which the magnetic force switch is inserted and a wire passage communicating with the mechanical device chamber in the chamber so that the magnetic force switch is connected by a predetermined controller. There is a refrigerator characterized by. The method of claim 2, Further comprising a circulation fan and an indoor light provided in the case body, Based on the locking device, the indoor fan is turned off while the circulation fan is operated when the door is closed, and when the door is opened, the indoor fan is stopped and the indoor light is turned on. Refrigerator. The method of claim 2, Refrigerator, characterized in that the triple glass window is formed on the door.