JP6092719B2 - refrigerator - Google Patents

Description

  The present invention includes a compressor, a blower, and a condenser disposed in a machine room provided in a lower part on the back side of the refrigerator body, and a heat dissipation property of the refrigerator having a ventilation opening on a side plate of the refrigerator body located in the machine room. It relates to the improvement of strength.

  Conventionally, this type of refrigerator is provided with a machine room at the lower back side of the refrigerator body having heat insulation, and the machine room is a base on which a bottom plate and a side plate of the refrigerator body, a compressor, a blower, and a condenser are mounted. It is configured to be surrounded by a plate and a machine room cover covering the back surface. In addition, in order to improve the ventilation characteristics in the machine room and increase the heat dissipation of the compressor and the condenser, there is one in which an opening for ventilation is provided in the side plate of the refrigerator body located in the machine room (for example, (See Patent Document 1).

  However, if a ventilating opening is provided in the side plate of the refrigerator main body, the mechanical strength of the portion is lowered, and there is a concern that the side plate is distorted during long-term use.

  Therefore, the side plate located in the machine room is provided with a recess recessed toward the machine room, and by providing an opening for ventilation in the recess, the rigidity of the side plate having the ventilation opening is increased and the strength of the refrigerator body is reduced. A reinforcing material is attached from the lower part of the side plate located in the machine room to the back part, and a ventilation opening that opens in the side plate is arranged closer to the reinforcing material. In order to compensate for the strength reduction of the refrigerator main body (for example, see Patent Document 3).

JP-A-8-285439 (page 3-4, FIG. 1) JP 2003-130531 A (page 3-4, FIG. 1) Japanese Patent No. 5081880 (page 3-4, FIGS. 1 to 3)

  In the structure described in Patent Document 2, it is a structure in which the periphery of the ventilation opening is simply recessed, so that it cannot be said to be sufficient to ensure the reliability of the strength of the refrigerator. There was a defect that damaged the appearance.

  In the structure described in Patent Document 3, since there is a restriction that the ventilation opening is disposed closer to the reinforcing material, the opening area of the ventilation opening must be reduced, and the heat radiation reliability of the refrigerator cannot be sufficiently secured. There was a problem. Further, the side plate provided with the ventilation opening is loaded not only in the refrigerator main body but also in the machine room in which the compressor or the like is disposed. Therefore, the refrigerator can be simply attached to a part of the side plate located in the machine room. There was a problem that the reliability of strength could not be sufficiently secured.

  The present invention relates to a refrigerator in which a compressor, a blower, and a condenser are arranged in a machine room provided in a lower part on the back side of the refrigerator body, and an opening for ventilation is provided in a side plate of the refrigerator body located in the machine room. An object of the present invention is to sufficiently ensure the heat radiation and strength reliability of a refrigerator without impairing the appearance or being restricted by the opening area of the ventilation opening.

  The refrigerator of the present invention is provided at the lower part on the back side of the refrigerator body, and is surrounded by a bottom plate and a side plate of the refrigerator body, a base plate on which a compressor, a blower, and a condenser are mounted, and a machine room cover that covers the back surface. A machine room configured as described above, an opening for ventilation formed in a side plate of the refrigerator main body located in the machine room, and an inner side of the side plate of the refrigerator main body along an outer peripheral edge of the machine room. And a reinforcing plate attached to the inside of the side plate of the refrigerator body so as to surround the outer periphery of the ventilation opening, and a peripheral portion of the reinforcing plate is fixed to the reinforcing angle. It is characterized by that.

  In the refrigerator according to the present invention, the side plate located in the machine room is provided with a ventilation opening, and the reinforcing plate is attached from the inside of the side plate so as to surround the outer periphery of the ventilation opening. The peripheral edge of the reinforcing plate is fixed to a reinforcing angle attached to the inside of the side plate of the refrigerator body along the outer peripheral edge of the machine room.

  With this structure, the reinforcing plate that reinforces the side plate around the opening and the reinforcing angle that reinforces the side plate on the outer peripheral edge of the machine room are integrated into a strong reinforcing structure. And, despite the provision of ventilation openings on the side plate on which the load on the refrigerator main body and machine room is applied, the side plate on the refrigerator main body can be prevented from being distorted, and the reliability of the strength of the refrigerator can be sufficiently secured. become.

  Moreover, since such a reinforcing structure cannot be seen from the outside of the refrigerator, there is no fear of damaging the appearance of the refrigerator, and there is no restriction on the position and size of the ventilation opening. And the opening for ventilation can be made into a moderate size, and it can set to the position suitable for ventilation, the ventilation in a machine room is made favorable, sufficient heat dissipation of a refrigerator can be ensured, and power consumption can be reduced.

  Further, the reinforcing plate is set to a size that covers the entire side plate of the refrigerator main body (excluding the ventilation opening) located in the machine room from the inside. With this structure, the entire side plate located in the machine room is reinforced from the inside by the reinforcing plate and the reinforcing angle, so that a stronger reinforcing structure is obtained.

  For this reason, the opening area for the ventilation opening is set to the center position of the side surface of the machine room suitable for ventilation and the height of the ventilation opening is set to about one half of the height of the machine room. Sufficiently can be ensured, and the heat radiation performance and strength reliability of the refrigerator are greatly improved.

  Furthermore, the reinforcing plate is attached to the inside of the side plate of the refrigerator body in a state of extending upward and forward from the side surface of the machine room. With this structure, the part of the side plate along the machine room is reinforced by the reinforcing plate, and the part of the side plate along the machine room by the foaming pressure of the heat insulating material injected between the outer box and the inner box of the refrigerator body Can be prevented from bulging and impairing the appearance of the side plate.

It is a figure explaining the schematic structure of the refrigerator which concerns on embodiment of this invention. It is a figure explaining the schematic structure of the refrigerator which concerns on embodiment of this invention. It is a figure explaining the principal part schematic structure of the refrigerator which concerns on embodiment of this invention. It is a figure explaining the reinforcement structure of the refrigerator which concerns on embodiment of this invention.

  Hereinafter, the refrigerator which concerns on embodiment of this invention is demonstrated in detail based on drawing.

  1 to 4 show a refrigerator according to an embodiment of the present invention, and FIG. 1 is a perspective view showing a schematic structure of the refrigerator according to the embodiment of the present invention as seen from the back side. 2 is a cross-sectional view including a machine room portion of the refrigerator of FIG. 3 is an enlarged perspective view of a main part showing a state in which the machine room cover of the refrigerator shown in FIG. 1 is removed. FIG. 4 is an exploded perspective view for explaining the reinforcing structure of the refrigerator of FIG.

  As shown in FIGS. 1 to 3, the refrigerator main body 1 includes a top plate 2 that forms the outer surface, a side plate 3, 4 that is integral with the top plate 2, a back plate 5, a bottom plate 6, and the like, and storage. It is comprised from the inner box 9 which forms the chamber 8, and the heat insulating materials 10, such as a foaming urethane foam with which the space | interval between the outer box 7 and the inner box 9 was filled. The outer box 7 is made of a metal plate having a thickness of 0.4 to 0.5 mm, such as a steel plate, and the inner box 9 is made of a synthetic resin such as ABS resin. A plurality of doors 11 for opening and closing the plurality of storage chambers 8 are provided on the front surface of the refrigerator body 1.

  The machine room 12 is located at the lower part on the back side of the main body, the base plate 16 on which the bottom plate 6, the condenser 13, the blower 14 and the compressor 15 are mounted, the machine room cover 17 covering the back surface, and the refrigerator main body 1. The side plates 3 and 4 are surrounded. The machine room 12 is configured as a horizontally long space over the entire width of the refrigerator body 1. On the base plate 16, a condenser 13, a blower 14, and a compressor 15 are arranged in this order in the longitudinal direction (left-right direction) of the machine room 2.

  The blower 14 is mounted with a fan 14A facing the central opening of a partition plate 18 that partitions the inside of the machine room 12 to the left and right. In addition, a plurality of slit-shaped vents 19 and 20 are provided at both ends of the machine room cover 17 so as to be arranged vertically (up and down).

  Rectangular side openings 21 and 22 are provided on the side plates 3 and 4 located in the machine room 12. Further, reinforcing plates 24 having the same shape as the ventilation openings 21 and 22 and having the same size openings 23 are attached to the inner sides of the side plates 3 and 4 so as to surround the outer peripheries of the ventilation openings 21 and 22. Yes.

  3 and 4, the reinforcing plate 24 has the same pentagonal shape as the side surface of the machine room 12, and the entire side plates 3 and 4 of the refrigerator body 1 located in the machine room (however, for ventilation) It is made larger than the side surface of the machine room 12 so as to cover the openings 21 and 22 except from the inside. The reinforcing plate 24 has a thickness of 1.2 mm and is made of a metal plate such as a steel plate thicker than the side plates 3 and 4.

  It is located in the machine chamber 12 that the reinforcing plate 24 is made larger than the side surface of the machine room 12 and attached to the inside of the side plates 3 and 4 in a state of extending upward and forward from the side surface of the machine room 12. It not only reinforces the side plates 3 and 4, but also improves the aesthetics of the side plates 3 and 4.

  That is, when the heat insulating material 10 is foam-molded between the outer box 7 and the inner box 9 of the refrigerator body 1, the portions along the machine chamber 12 of the side plates 3 and 4 bulge outward to form a line. There is a concern that the appearance of the side plates 3 and 4 may be impaired. Therefore, by covering the portion of the side plates 3 and 4 along the machine room 12 with the reinforcing plate 24, this portion is also reinforced, so that the line accompanying foam molding of the heat insulating material 10 does not appear on the side plates 3 and 4. I have to.

  A decorative cover 25 is attached to the ventilation openings 21 and 22 from the outside. The decorative cover 25 has a plurality of lateral louvers 26 inclined forward and backward, and has ventilation openings 27 formed between the plurality of lateral louvers 26. The ventilation openings 21 and 22 of the side plates 3 and 4 are directly provided from the outside. It is not visible.

  As shown in FIGS. 3 and 4, inner side bent pieces 3 </ b> A and 4 </ b> A are integrally formed at the end portions of the side plates 3 and 4 of the refrigerator main body 1. Then, L-shaped reinforcing angles 28 are fixedly attached to the lower and back portions of the inner bent pieces 3A, 4A of the side plates 3, 4 by screws or spot welding, respectively, along the outer peripheral edge of the machine room 12. It has been.

  The above-described reinforcing plate 24 has a peripheral edge portion (at least a lower portion and a back portion) fixed to the reinforcing angle 28 by spot welding, and the reinforcing plate 24 and the reinforcing angle 28 are connected to each other and located in the machine room 12. The entire side plates 3 and 4 are reinforced from the inside. Further, both ends of the base plate 16 of the machine room 12 are attached to the reinforcing angle 28 attached to the side plates 3 and 4 by screws or the like.

  The ventilation openings 21 and 22 are located in the center of the side surface of the machine room 12 so that the ventilation in the machine room 12 is performed without unevenness. The height of the ventilation openings 21 and 22 is 105 mm, which is about 200 mm of the height of the machine room 12 (height from the base plate 16 to the bottom plate 6 forming the upper wall of the machine room 12). It is set to 1/2 and a sufficient opening area is secured. Legs 29 and 30 are attached to the bottom plate 6 of the refrigerator main body 1 and the base plate 16 of the machine room 12, and a gap is secured between the refrigerator main body 1 and the machine room 12 and the installation floor surface. .

  The compressor 15 and the condenser 13 constitute a refrigeration cycle together with an evaporator (not shown). In the refrigeration cycle, by operating the compressor 15, the blower 14, etc., the refrigerant is evaporated by the evaporator to cool the air in the storage chamber 8, and the refrigerant is condensed by the condenser 13 to be taken from the air in the storage chamber 8. Heat is dissipated outside.

  When the blower 14 disposed in the machine room 12 is operated, air flows into the machine room 12 from the ventilation opening 21 of the side plate 3 and the ventilation opening 19 of the machine room cover 17, and the condenser 13 is caused by the intake air of the blower 14. To be cooled. Further, since the compressor 15 is disposed on the discharge side of the blower 14, the compressor 15 is cooled by the discharge air of the blower 14. In this way, the air that has been cooled by cooling the condenser 13 and the compressor 15 flows out from the ventilation opening 22 of the side plate 4 and the ventilation opening 20 of the machine room cover 17, and heat is released from the machine room 12. become.

  In the refrigerator according to the embodiment of the present invention, the side plates 3 and 4 located in the machine room 12 are provided with ventilation openings 21 and 22, and the reinforcing plate 24 is disposed so as to surround the outer periphery of the ventilation openings 21 and 22. Attach from 4 inside. The peripheral edge of the reinforcing plate 24 is fixed to a reinforcing angle 28 attached to the inside of the side plates 3 and 4 of the refrigerator main body 1 along the outer peripheral edge of the machine room 12.

  Therefore, the reinforcing plate 24 that reinforces the side plates 3 and 4 around the ventilation openings 21 and 22 and the reinforcing angle 28 that reinforces the side plates 3 and 4 on the outer peripheral edge of the machine room 12 are integrated. It becomes a strong reinforcement structure. Despite the provision of ventilation openings 21 and 22 in the side plates 3 and 4 to which the load of the refrigerator main body 1 and the machine room 12 is applied, distortion can be prevented from occurring in the side plates 3 and 4 of the refrigerator main body 1. Sufficient reliability of the refrigerator strength can be secured.

  Further, such a reinforcing structure is not visible from the outside of the refrigerator, and since the ventilation openings 21 and 22 are covered with the decorative cover 25, there is no fear of damaging the appearance of the refrigerator.

  In addition, since the reinforcing structure is formed by connecting the reinforcing member 24 and the reinforcing angle 28, the position and size of the ventilation openings 21 and 22 are not restricted, and the ventilation openings 21 and 22 have an appropriate opening area. Is set. And by setting the ventilation openings 21 and 22 at positions suitable for ventilation, the ventilation in the machine room 12 can be improved, the heat dissipation of the refrigerator can be sufficiently secured, and the power consumption can be reduced.

  Further, the reinforcing plate 24 has the same pentagonal shape as that of the side surface of the machine room 12 and is large enough to cover almost the entire surface excluding the ventilation openings 21 and 22 of the side plates 3 and 4 of the refrigerator body 1 located in the machine room 12. Have The ventilation openings 21 and 22 are set at the center position of the side surface of the machine room 12, and the height of the ventilation openings 21 and 22 is set to about one half of the height of the machine room 12.

  With this structure, the entire side plates 3 and 4 positioned on the side surface of the machine room 12 are more strongly reinforced from the inside by the reinforcing plate 24 and the reinforcing angle 26, and the machine room 12 portion having the ventilation openings 21 and 22 is provided. The strength of the side plates 3 and 4 can be kept sufficiently. And it can ensure sufficient opening area and can improve the heat dissipation of a refrigerator, without making the ventilation by ventilation openings 21 and 22 uneven. For this reason, the heat dissipation of a refrigerator and the reliability of intensity | strength improve significantly.

  Furthermore, the reinforcing plate 24 is attached to the inside of the side plates 3 and 4 of the refrigerator body 1 in a state of extending upward and forward from the side surface of the machine room 12.

  With this structure, portions of the side plates 3 and 4 along the machine room 12 are reinforced by the reinforcing plate 24, and due to the foaming pressure of the heat insulating material 10 injected between the outer box 7 and the inner box 9 of the refrigerator body 1. It is possible to prevent the portions of the side plates 3 and 4 along the machine chamber 12 from expanding and impairing the appearance of the side plates 3 and 4.

  As mentioned above, although the refrigerator which concerns on embodiment of this invention was demonstrated, this invention is not limited to this, A various change is possible in the range which does not deviate from the summary of this invention.

DESCRIPTION OF SYMBOLS 1 Refrigerator main body 3, 4 Side plate 6 Bottom plate 12 Machine room 13 Condenser 14 Blower 15 Compressor 16 Base plate 17 Machine room cover 21, 22 Ventilation opening 24 Reinforcement material 28 Reinforcement angle

Claims (2)

A machine room that is provided at the lower part on the back side of the refrigerator body and is surrounded by a base plate on which the bottom and side plates of the refrigerator body, a compressor, a blower, and a condenser are mounted, and a machine room cover that covers the back surface. When,
An opening for ventilation formed in a side plate of the refrigerator body located in the machine room;
A reinforcing angle attached to the inside of the side plate of the refrigerator body along the outer peripheral edge of the machine room,
A reinforcing plate attached to the inside of the side plate of the refrigerator body so as to surround the outer periphery of the ventilation opening,
The periphery of the reinforcing plate is fixed to the reinforcing angle, and the reinforcing plate has a size that covers the whole of the side plate of the refrigerator body located in the machine room except the ventilation opening from the inside. refrigerator and said that you are. The refrigerator according to claim 1 , wherein the reinforcing plate is attached to the inside of the side plate of the refrigerator main body in a state of extending upward and forward from the side surface of the machine room.

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