JPH05149675A - Refrigerator - Google Patents

Abstract

PURPOSE:To eliminate a problem in a home-use refrigerator in which an effective inner volume of the refrigerator is reduced by a projected range of a control box and to improve an effective inner volume without changing an outer shape or a size of the refrigerator. CONSTITUTION:A water drain port 11 is placed at the lower-most end of a cooler device 8 within a refrigerator having a freezing chamber 6 and a refrigerator chamber 7 defined by a partition wall 5 and then a defrosted water receiving pan 10 having an inclined surface 12 slanted upwardly toward a right side or a left side is disposed. An air passage 19 is installed at the right deep side of the freezing chamber 6 and further it is provided with a control box 17 in which an upper side 18 is formed along the inclined surface 12 of the defrosted water receiving pan 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an excellent refrigerator capable of effectively utilizing the internal volume.

[0002]

2. Description of the Related Art In recent years, refrigerators have become larger and more sophisticated. In particular, with regard to upsizing, there were limits to how large the outside dimensions could be dealt with due to the housing situation in Japan. Therefore, technology for increasing the effective internal volume without changing the external dimensions has become important.

[0003] Here, the conventional technique is described in Japanese Utility Model Laid-Open No. 64-1.
The technique disclosed in Japanese Patent No. 2177 will be described as a reference.

FIG. 3 is a front sectional view showing a main part of a conventional refrigerator, and FIG. 4 is a side sectional view of the same refrigerator. As shown in the drawing, heat insulation is performed at a constant interval from a slanted lower end portion 25 of a defrosting water tray 24. The layer 26 is provided, and the upper side of the control box 28 is in contact with the horizontal surface 27 at the lower end of the heat insulating layer 26.

Further, the air passage 29 is formed from the right rear portion of the bottom surface of the freezing chamber 30 to the left lower horizontal surface of the heat insulating layer 26 of the central portion 32 of the top surface of the refrigerating chamber 31 which is directed obliquely downward to the left, and is further controlled. The damper opening / closing device 33 that hangs down inside the box 28 and is built in the control box 28
It has a structure that is connected to. In addition, 34 is the freezer compartment 3.
It is a partition member provided between 0 and the refrigerator compartment 31.

[0006]

However, in the above-mentioned conventional structure, the air passage 29 requiring the air passage area passes under the defrosting water receiving tray 24 and the central portion 32 of the top surface of the refrigerating chamber 31.
Since it is formed, the thickness of the middle partition member 34 is increased, and the control box 28 located at the lower part of the back surface of the middle partition member 34 projects to the back surface of the refrigerating compartment 31 to reduce the effective internal volume of the refrigerating compartment 31. There was a problem in that, while reducing the number, there was a visual sense of oppression.

The present invention is intended to solve the above problems,
It is an object of the present invention to provide an excellent refrigerator that can suppress the overhang of the control box as much as possible to expand the effective internal volume and eliminate the feeling of visual pressure.

[0008]

In order to achieve the above object, the present invention provides a freezing compartment and a refrigerating compartment defined by partition walls, a cooler provided on the inner surface of the freezing compartment, and a cooler therefor. A defrosting water tray having an inclined surface that inclines upward and downward with the drainage port as the lowermost end in the lower part, an air passage formed in the right back of the freezer compartment, and an upper side portion along the inclined surface of the defrosting water tray. And a control box that is formed as described above, and further includes a damper opening / closing device for the refrigerator compartment and a damper opening / closing device for the third chamber in the control box.

[0009]

Therefore, according to the structure of the present invention, the defrosting water tray having the V-shape which is inclined to the left and right with the drainage port as the lowermost end is provided, and the height of the control box is determined on both sides of the V-shape. By disposing the two damper opening / closing devices, the total height of the control box can be reduced, and the effective internal volume of the refrigerator can be increased.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front sectional view showing a main part of a refrigerator according to an embodiment of the present invention, and FIG. 2 is a side sectional view of the refrigerator.

In FIGS. 1 and 2, reference numeral 1 denotes a refrigerator body,
2 is its outer box and 3 is its inner box. Reference numeral 4 is a heat insulating material filled between the outer box 2 and the inner box 3, and 5 is a partition wall, which forms a freezing compartment 6 and a refrigerating compartment 7. Reference numeral 8 is a cooler installed in the inner surface of the freezer compartment 6, 9 is a blower installed in the upper portion of the cooler 8, and 10 is a defrost water saucer installed in the lower portion of the cooler 8. Reference numeral 11 denotes a drainage port provided in a part of the defrost water receiving tray 10, and the drainage port 11 is the lowermost end, and a V-shaped inclined surface 12 is formed so as to be inclined to the left and right.

The partition wall 5 is formed between an upper plate 13 forming the bottom surface of the freezing chamber 6, a lower plate 14 forming the top surface of the refrigerating chamber 7, and between the upper plate 13 and the lower plate 14. The lower plate 14 is formed of the heat insulating material 15 filling the space, and the lower plate 14 is the inclined surface 12 formed by the upper plate 13 of the defrost water receiving tray 10.
The lower plate inclined surface 16 is formed so as to have a shape opposite to the inclined surface 12 and at the same inclination angle as the inclined surface 12. Next, 17 is the refrigerating room 7.
The control box is a control box installed immediately below the lower plate 14 in the inner surface of the control box 17, and the upper side 18 of the control box 17 also forms the same inclination angle along the lower plate inclined surface 16. Reference numeral 19 is an air passage formed in the right rear of the freezing compartment 6, and 20 is a damper opening / closing device for the refrigerating compartment which is housed on the right side of the control box 17 and is opened and closed in the vertical direction. 21 is a third room next to the freezing room 6 and the refrigerating room 7, and 2
Reference numeral 2 denotes a damper opening / closing device for the third chamber 21, which is housed on the left side of the control box 17 and is opened / closed in the front-rear direction. The damper opening / closing device 20 for the refrigerating compartment is connected to the air passage 19 depending from the freezing compartment 6. In the damper opening / closing device 22 for the third chamber, the air passage 23 for the third chamber branched in the control box 17 is connected from the right side.

Next, the operation of the above embodiment will be described. In the above embodiment, the inclination angles of the lower plate 14 and the upper side portion 18 of the control box 17 are set to the defrosting water tray 10
The damper opening / closing device 20 for the refrigerating compartment housed in the control box 17 is arranged on the right side in the vicinity of the upper end of the slope of the control box 17, and the third chamber Since the damper opening / closing device 22 for the refrigerator is arranged on the opposite side of the damper opening / closing device 20 for the refrigerator compartment, the damper opening / closing device 20 for the refrigerator compartment is further provided.
Is connected to the air passage 19 hanging from the right back of the freezing compartment 6, and the damper opening / closing device 22 for the third compartment is connected to the control box 1
Since the third chamber air passage 23 branched in 7 is laterally connected, it is possible to arrange the two damper opening / closing devices 20 and 22 above both sides of the refrigerating chamber 7, and The height can also be made extremely small. Further, the thickness of the heat insulating material 15 filled in the partition wall 5 can be made uniform, the moldability can be improved, and the effective internal volume can be increased.

[0014]

As is apparent from the above-described embodiment, the present invention makes the lower plate constituting the partition wall and the upper side of the control box have substantially the same inclination as the defrosting water tray, and further stores it in the control box. By placing the damper opening / closing device for the refrigerating compartment and the damper opening / closing device for the third compartment on both sides of the drain port, the two damper opening / closing devices that determine the height of the control box are installed as much as possible in the refrigerator compartment. Since it is possible to arrange the control box upward, the height of the control box can be kept small, and the protrusion to the inner surface of the refrigerating chamber can be reduced, so that the effective internal volume can be remarkably increased.

[Brief description of drawings]

FIG. 1 is a front sectional view of a main part of a refrigerator according to an embodiment of the present invention.

FIG. 2 is a side sectional view of the main part of the refrigerator.

FIG. 3 is a front sectional view of a main part of a conventional refrigerator.

FIG. 4 is a side sectional view of the main part of the refrigerator.

[Explanation of symbols]

 5 Partition walls 6 Freezing room 7 Refrigerating room 8 Cooler 10 Defrost water saucer 11 Drainage port 12 Sloping surface 17 Control box 18 Upper side 19 Air path

Claims (4)

[Claims] 1. A freezer compartment and a refrigerating compartment defined by partition walls, a cooler provided on the inner surface of the freezer compartment, and an inclination inclined upward and downward to the left and right with a drainage port at the bottom of the cooler. A refrigerator provided with a defrosting water saucer having a surface, an air passage formed in the right rear side of the freezer compartment, and a control box having an upper side portion formed along an inclined surface of the defrosting water saucer. 2. The refrigerator according to claim 1, wherein the cooler is provided over the entire width of the deep surface of the freezer compartment, and the upper plate and the lower plate constituting the partition wall have substantially the same angle as the inclined surface of the defrosting water tray. 3. The refrigerator according to claim 1, wherein the damper opening / closing device housed in the control box is arranged on both sides of the drain port of the defrost water tray with the drain port sandwiched therebetween. 4. A damper opening / closing device for a refrigerating room, in which a damper opening / closing device housed in a control box is connected to an air passage hanging from a freezer compartment to open and close in a vertical direction, and an air passage and a lateral passage branched in the control box. 3. The refrigerator according to claim 1 or 2, further comprising a damper opening / closing device for a third chamber, which is connected in a vertical direction and is opened / closed in the front-rear direction.