JPH0725580Y2 - refrigerator - Google Patents

Description

TECHNICAL FIELD The present invention relates to a refrigerator in which a cooler is placed vertically and a blower is installed above the cooler.

2. Description of the Related Art In recent years, refrigerators have a configuration in which a cooler is placed vertically on the inner surface of a freezer and a blower is installed above it.

An example of the above-described conventional refrigerator will be described below with reference to the drawings.

FIG. 4 is an exploded perspective view of a freezer compartment of a conventional refrigerator, FIG. 5 is a horizontal sectional view of the same, and FIG. 6 is a vertical sectional view of the refrigerator.

Reference numeral 1 is an outer box, 2 is an inner box, and a heat insulating material 3 is filled between the two boxes. 4 is a cooler, which is installed at the back of the freezer compartment 5,
The blower 6 is attached to the upper side of the blower 6 by attaching screws 7. Reference numeral 8 denotes a cooler cover made of synthetic resin, a hole 9 surrounding the blower 6, a projecting rib 10 and a recess 11 for guiding cool air coming out of the hole 9 to an end of the cooler cover 8, and a freezer compartment. 5 has an air inlet 12 from inside and is installed on the front and side surfaces of the cooler 4. 13 is a foamed heat insulating material, which is attached to the cooler cover 8 to insulate the cooler 4 and the freezer compartment 5 from each other. Reference numeral 14 denotes a resin grill, which has a cool air discharge port 15 into the freezer compartment 5 and a rib 16 which guides cool air to come into contact with the cooler cover 8 and which is close to the protruding rib 10. It is installed in front of. Also, the cooler cover 8
And the grill 14 and the ventilation port 18 for guiding the cool air to the refrigerating compartment 17
Is formed.

The operation of the refrigerator configured as described above will be described below. First, the cool air generated in the cooler 4 passes through the hole 9 of the cooler cover 8 by the blower 6 as shown by the arrow in FIG.
It is distributed to the freezer compartment 5 and the refrigerator compartment 17 by the ribs 16 of 14. Part of it goes through the outlet 15 of the grill 14 into the freezer 5.
Then, a part of the air flows into the refrigerating room 17 through the blower opening 18. In addition, the cold air that circulates in the freezer compartment and exchanges heat with the stored goods is guided to the lower side of the cooler 4 by a suction port 12 and the cold air that circulates in the refrigerating compartment 17 and exchanges heat with the stored goods by a duct 19 provided separately.
When sucked upward by the blower 6, heat is exchanged with the cooler 4.

However, in the above-mentioned configuration, the cooler cover 8,
When the protruding rib 10 protruding from the cooler cover 8 and the grill 14 and the rib 16 of the grill 14 are molded, deformation at the time of mounting, the protruding rib 10 and the grill 14 due to warpage, and the contact between the cooler cover 8 and the rib 16 are caused. When not performed and a gap is generated, cold air to the freezing compartment 5 and the refrigerating compartment 17 flows out and inflows from the middle of the protruding rib 10 and the rib 16 according to the load of the freezing compartment 5 and the refrigerating compartment 17, and the freezing compartment 5,
There were problems of unreliability such as variations in coldness in the refrigerating room 17 and dullness in coldness. Further, the cooler 4 and the freezer compartment 5 are insulated by the foamed heat insulating material 13, but the air passage 20 between the cooler 4, the cooler cover 8 and the grill 14 is cooled by the temperature difference after the operation is started and after the operation is restarted. Dew is generated on the vessel cover 8 and the defrosting freezer 5
Water flows into. Also, due to freezing, the air passage 20 and the air outlet 1
8. There were problems such as blocking the air inlet 12.

In view of the above-mentioned problems, the present invention aims to make the distribution of cold air constant, prevent dew condensation in the air passage, and prevent problems such as temperature variations in the freezer compartment and refrigerating compartment, and slow cooling.

Means for Solving the Problems In order to solve the above problems, a refrigerator of the present invention is provided with a side surface of a cooler, a cooler cover that covers the cooler with a rear surface, and has a protruding rib that protrudes. A grill made of resin and having a rib protruding to the cooler cover is installed on the front surface of the cooler cover to form an air passage by the cooler cover and the grill, and a heat insulating material is provided on the cooler cover in the air passage. Is installed, and a soft heat insulating material is installed in a portion where the rib of the grill and the cooler cover come into contact with each other.

With the above-described structure, the present invention has the heat insulating material in the cooler cover in the air passage and the soft heat insulating material in the portion where the rib of the grill and the cooler cover come into contact with each other. Due to the heat insulation of the vessel, dew is not generated in the air passage, and it is possible to prevent problems such as intrusion of water into the freezing chamber and blocking of the air passage, blower port, and air intake port due to freezing. Further, due to the soft heat insulating material between the rib and the cooler cover, outflow and inflow of cold air from the middle of the protruding rib is eliminated, and it is possible to prevent problems such as temperature variations in the freezer compartment and the refrigerator and slow cooling.

Embodiment Hereinafter, a refrigerator according to an embodiment of the present invention will be described with reference to the drawings.

1 is an exploded perspective view of a freezer compartment of a refrigerator according to the present invention, FIG.
The figure is a horizontal sectional view of the same portion. Figure 3 is an enlarged view of the same section,
1 to 19 are the same as those in the conventional example.

Reference numeral 14 is a grill made of a resin member such as polypropylene. The rear surface covers the cooler cover 8, and the end surface 21 and the protruding rib 10 are provided.
The outer peripheral surface 22 is in contact with the stepped surface 23 of the inner box 2. A rib 16 is provided on the rear surface of the grill, and a cooler cover 8 is provided.
In close proximity to the projecting rib 10 of FIG. 1, the soft heat insulating material 24 arranged along the projecting rib 10 of the cooler cover 8 is pressed. grill
The cooler cover 8 is in contact with the end face 21 and the protruding rib 10 to seal the inside of the cooler and the freezer compartment 5, and the air passage is partitioned by the rib 16 and the protruding rib 10 which are in pressure contact with the soft heat insulating material 24. Forming 25. A hard heat insulating material 26 is disposed on the surface of the cooler cover 8 of the air passage 25, and one side thereof is in contact with the soft heat insulating material 24.

The operation of the refrigerator configured as described above will be described below.

First, some of the cool air generated in the cooler 4 passes through the air holes 9 and
Projecting rib 10 between the cooler cover 8 and the grill 14 and soft insulation
It is guided to the blower port 15 and the discharge port 13 through the air passage 25 having the heat insulating material 26 in which the ribs 16 pressed against the 24 are distributed. The moist cold air which has circulated in the freezer compartment 5 and the refrigerating compartment 17 and exchanged heat is sucked by the blower 6 from the lower side to the upper side of the cooler 4 to be heat-exchanged to become dry cool air. After that, such cold air circulation is repeated. As described above, according to the embodiment, the heat insulating material 26 is provided on the surface of the cooler cover 8 which is the air passage 25 of the cool air, and the soft heat insulating material 24 is provided on the surface of the cooler cover 8 with which the rib 16 abuts. By providing the seal groove with which the rib 16 is in pressure contact, cold air does not flow out or inflow in the air passage 25 partitioned and distributed to each chamber, and the freezing chamber 5 and the refrigerating chamber
It is also possible to prevent problems such as 17 temperature variations and dullness. In addition, dew condensation in the air passage 25 is eliminated, and problems such as blocking the air passage, the air blowing port, and the air suction port due to freezing can be prevented.

As described above, according to the present invention, the cooler is covered by the side and back surfaces, the cooler cover having the protruding ribs that abut the front grill, and the soft insulating material is sandwiched from the grill to the cooler cover. A rib that abuts with the projecting rib is disposed in the vicinity of the projecting rib, and further, a heat insulating material is provided in the air duct divided and distributed by the cooler cover, the grill, the projecting rib and the rib so that one side is abutted with the soft insulating material. By forming the cooler cover and grill, deformation at the time of mounting, deformation at the time of installation, cold air outflow and inflow in the air passage due to warpage, etc. are eliminated by the rib seal structure that presses against the soft heat insulating material, and the freezing room and the refrigerating room It is possible to prevent problems such as variation in temperature and slow cooling.

Dew in the air passage facing the cooler is eliminated by the structure in which a heat insulating material is placed on the cooler cover surface, and the water flows into the freezer compartment, the air passage due to freezing of the dew, the air outlet and the air intake. Problems such as blocking your mouth can also be prevented.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a freezer compartment of a refrigerator showing an embodiment of the present invention, FIG. 2 is a horizontal sectional view of FIG. 1, FIG. 3 is an enlarged view of the same, and FIG. 5 is an exploded perspective view of the freezer compartment of the refrigerator, FIG. 5 is a horizontal sectional view of FIG. 4, and FIG. 6 is a vertical sectional view of a conventional refrigerator. 1 ... Outer box, 2 ... Inner box, 3 ... Foam insulation, 5 ... Freezer, 4 ... Cooler, 6 ... Blower, 8 ... Cooler cover, 14 ... Grill, 10 ... … Protruding ribs, 25… wind passages, 26…
… Hard insulation, 24 …… soft insulation.

Claims (1)

[Scope of utility model registration request] 1. An inner box (2), an outer box (1), a foam insulation material (3) filled between the two boxes, a freezing chamber (5) formed by the inner box, and the freezing chamber. Cooler installed in the back (4)
A blower (6) attached to the upper part of the cooler, and protruding ribs (1) made of synthetic resin arranged on the side surface and the front surface of the cooler.
0) and a grill made of synthetic resin (1) having a rib (16) arranged in front of the cooler cover.
4) and a heat insulating material provided on the air passage side of the front face of the cooler cover when providing an air passage to each shelf of the freezer compartment and the refrigerating compartment with the configuration of the protruding rib of the cooler cover and the rib of the grill. The refrigerator is characterized in that it is divided into two parts, a soft heat insulating material (24) and a hard heat insulating material (26) that are pressed against each other by the ribs.