JPH0972651A - Cooling refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cooling refrigerator easy to open and manufacture at a low cost and enhanced in workability. SOLUTION: A cooling refrigerator is provided with an insulated box 5 which is formed by expanding a foam insulating material 4 and filling the space between inner and outer boxes 2 and 3 with the expanded material 4 and by defining a storage compartment 7 and a condensation unit which constitutes a refrigeration cycle together with a cooler 8 provided on the upper part of the storage compartment 7 and a loading mount 16 which loads this condensation unit. This refrigerator is provided with an opening formed on the top of the insulated box 5 and supports the loading mount 16 with the edge and an elastic sealing material 18 which is mounted across the inner and outer boxes 2 and 3 on the opening edge and a notched area 19 which is formed on the end of the opening edge and communicates with an open air when the loading mount 16 is set up.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling storage unit having a condensing unit on its upper part.

[0002]

2. Description of the Related Art Heretofore, a cooling storage of this kind, as disclosed in Japanese Patent Application Laid-Open No. 6-174360 (F25D23 / 00), has a heat-insulating box body and the inside of the heat-insulating box body which can be opened and closed. A door, a cooler provided inside the refrigerator, a blower that circulates the cool air that has exchanged heat with the cooler inside the refrigerator, and one end is opened on the discharge side of the blower, and drain water from the cooler is insulated. It is equipped with a drainage channel that discharges to the outside of the body and a trap section that is provided at the other end of the drainage channel that is located outside the heat insulation box, and between the one end of the drainage channel and the trap section outside the heat insulation box body. By providing the Y-shaped pipe to be opened, there is disclosed a cooling storage which facilitates opening of the door by allowing the atmosphere to flow into the inside of the storage when a difference occurs between the internal pressure and the atmospheric pressure.

[0003]

As described above, when a Y-tube for opening to the atmosphere is provided in a part of the drainage channel, normally, only one part is required, but three parts are required, which is costly.
There was also a problem with productivity. The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a cooling storage that facilitates door opening at low cost and with good productivity.

[0004]

As a means for achieving the above object, according to the invention of claim 1, a heat insulation box which is formed by foaming and filling a foam insulation material between the inner and outer boxes to define a storage chamber. In a cooling storage, which includes a body, a condensing unit that is provided on the heat-insulating box body and constitutes a refrigeration cycle together with a cooler that is provided above the storage chamber, and a mounting table on which the condensing unit is mounted, Formed on the top of the box,
An opening for supporting the mounting table at the rim, a sealing material having elasticity attached between the inner and outer boxes of the opening rim, and formed at the end of the opening rim, and exposed to the outside air when the mounting table is installed. Since it is a cooling storage with a communicating cutout, the sealing material is in close contact with the mounting table to maintain airtightness, and when there is a difference between the pressure inside the storage chamber and atmospheric pressure, the atmosphere is sucked in from the cutout. , It is easy to open the door.

According to the second aspect of the present invention, there is provided an insulation box body which is formed by foaming and filling a foam insulation material between the inner and outer boxes and which defines a storage chamber. In a cooling storage that includes a condensing unit that constitutes a refrigeration cycle together with a cooler provided in the upper part of the chamber, and a mounting table on which the condensing unit is mounted, the cooling storage is formed on the top surface of the heat-insulating box body, and the mounting table is described at the edge. An opening for supporting the opening, an elastic sealing material attached between the inner and outer boxes of the opening edge, and a notch formed at the end of the mounting table and communicating with the outside air when the mounting table is installed. As a result, the sealing material is in close contact with the mounting table to maintain airtightness, and when there is a difference between the pressure in the storage chamber and the atmospheric pressure, the atmosphere is sucked through the notch to facilitate opening the door.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a cooling storage equipped with the present invention, FIG. 2 is an upper sectional view of the invention of claim 1, and FIG.
Fig. 4 is an upper sectional view of the invention according to claim 1 with the mounting table removed, Fig. 4 is an enlarged view of an essential part of the invention according to claim 1, and Fig. 5 is a top perspective view of the jig and the heat insulation box of the invention according to claim 1. FIG. 6 is a top perspective view of the heat insulation box body of the invention of claim 1, and FIG. 7 is a top perspective view of the mounting table and the heat insulation box body of the invention of claim 2.

Reference numeral 1 shown in FIG. 1 is a vertical refrigerator main body which is a cooling storage, and an inner box 3 made of stainless steel or resin such as plastic is located at a predetermined interval in an outer box 2 made of stainless steel, A heat insulating box body 5 formed by foaming and filling a foam heat insulating material 4 in the space between the inner and outer boxes 2 and 3, and a heat insulating door 6 that opens and closes an opening formed in the front surface of the heat insulating box body 5, A storage chamber 7 defined by the heat insulating box 5 and for storing an object to be cooled such as foodstuffs, a cooler 8 and a cool air circulation fan provided above the storage chamber 7 for cooling the inside of the storage chamber 7. 9 and the cooler 8 constitute a refrigeration cycle,
It comprises a condenser unit provided at the upper part of the heat insulation box, a compressor, a condenser cooling fan and the like, and a machine room 11 accommodating the condenser unit.

A handle 12 is provided on the heat-insulating door 6, and a storage shelf 13 for mounting an object to be cooled in the storage chamber 7.
Is provided. Further, 14 is a base leg that supports the refrigerator body 1, and 15 is a machine room door provided on the front surface of the machine room 11. The condensing unit is installed on the mounting table 16, and the cooler 8 is attached to the lower surface of the mounting table 16. As shown by the arrows in FIGS. 1 and 2, cold air is sucked in from the front side, exchanges heat with the cooler 8, and is then discharged to the rear side.

The upper surface of the heat insulating box 5 has an opening 1
7 is formed, and a seal member 18 having an elastic force is attached to the edge of the opening 17 across the inner and outer boxes 2 and 3. The sealing material 18 is attached with an adhesive in a state where the inner box 3 is inserted into the outer box 2, and then the foam heat insulating material 4 is foam-filled. Therefore,
The sealing material 18 has air permeability to release the foaming pressure,
It also prevents the foam insulation 4 from leaking.

Here, it is desirable to use the high seal PS of Toyo Quality One Co., Ltd. as the seal material 18. The high seal PS has a uniform cell structure, has a small compressive stress, recovers gradually but sufficiently, and has a sufficient waterproof property under low compression. A notch 19 that communicates with the outside air when the mounting table 16 is installed is formed on the cold air discharge side of the edge of the upper surface opening 17 of the heat insulating box 5. By forming this at a position apart from the cool air circulation fan 9, it is possible to prevent the cool air from leaking to the outside as much as possible when the heat insulating door 6 is closed.

The notch 19 is formed by attaching a protrusion 21 to a wooden mold 20 having a shape similar to that of the mounting table 16 as shown in FIG. By pressing the wooden mold 20 against the upper surface opening 17 of the heat insulating box 5 in the state of FIG. 5, the notch 19 is formed as shown in FIG. Further, as shown in FIG. 7, a notch 22 may be formed on the mounting table 16 side.

That is, according to the first aspect of the invention, the inner and outer boxes 2,
3 is formed by foaming and filling the foam insulation material 4 between the
Of the heat insulating box 5, a condensing unit that is provided on the heat insulating box 5 and constitutes a refrigeration cycle together with a cooler 8 that is provided above the storage chamber 7, and a mounting unit that mounts the condensing unit. In a cold storage 1 including a mounting table 16, an opening 17 formed on the top surface of the heat insulating box body 5 for supporting the mounting table 16 at an edge, and mounted between the inner and outer boxes 2 and 3 at the edge of the opening 17 are mounted. The seal material 18 is provided with the elastic seal material 18 and the cutout 19 formed at the end of the edge of the opening 17 and communicating with the outside air when the mounting table 16 is installed. It adheres to the mounting table 16 to maintain airtightness, and when a difference between the pressure in the storage chamber 7 and the atmospheric pressure occurs, the atmosphere is sucked through the notch 19 to facilitate the opening of the door 6. Such a cold storage 1 that facilitates opening the door 6 can be manufactured at low cost and with good productivity.

According to the second aspect of the invention, both the inner and outer boxes 2,
3 is formed by foaming and filling the foam insulation material 4 between the
Of the heat insulating box 5, a condensing unit that is provided on the heat insulating box 5 and constitutes a refrigeration cycle together with a cooler 8 that is provided above the storage chamber 7, and a mounting unit that mounts the condensing unit. In a cold storage 1 including a mounting table 16, an opening 17 formed on the top surface of the heat insulating box body 5 for supporting the mounting table 16 at an edge, and mounted between the inner and outer boxes 2 and 3 at the edge of the opening 17 are mounted. The elastic sealing material 18 and the mounting table 16 formed at the end of the mounting table 16 described above.
When the seal member 18 is in close contact with the mounting table 16 to maintain airtightness and a difference occurs between the pressure in the storage chamber 7 and the atmospheric pressure due to the relation with the notch 22 communicating with the outside air at the time of installation,
Air is sucked in through the notch 22 to facilitate opening the door 6. Such a cold storage 1 that facilitates opening the door 6 can be manufactured at low cost and with good productivity.

[0014]

According to the first aspect of the present invention, a heat insulating box body which is formed by foaming and filling a foam heat insulating material between the inner and outer boxes and which defines a storage chamber is provided on the heat insulating box body. In a cooling storage that includes a condensing unit that configures a refrigeration cycle together with a cooler provided in the upper part of the storage chamber, and a mounting table on which the condensing unit is mounted, the condensing unit is formed on the top surface of the heat-insulating box, and is described at the edge. An opening for supporting the mounting table, a sealing material having elasticity attached between the inner and outer boxes of the opening edge, and a notch formed at the end of the opening edge and communicating with outside air when the mounting table is installed. Since it is a cooling storage room equipped with it, the sealing material adheres closely to the mounting table to maintain airtightness, and when there is a difference between the pressure inside the storage chamber and atmospheric pressure, the atmosphere is sucked in through the notch and the door can be opened easily. And Such a cold storage 1 that facilitates opening the door 6 can be manufactured at low cost and with good productivity.

According to a second aspect of the present invention, a heat insulating box body formed by foaming and filling a foam heat insulating material between the inner and outer boxes and defining a storage chamber, and a heat insulating box body provided on the heat insulating box body, In a cooling storage that includes a condensing unit that configures a refrigeration cycle together with a cooler provided in the upper part of the storage chamber, and a mounting table on which the condensing unit is mounted, the condensing unit is formed on the top surface of the heat-insulating box, and is described at the edge. An opening for supporting the mounting table, an elastic sealing material attached across both the inner and outer boxes of the opening edge, and a notch formed at the end of the mounting table and communicating with the outside air when the mounting table is installed. In view of the above, the sealing material is in close contact with the mounting table to maintain airtightness, and when there is a difference between the pressure in the storage chamber and the atmospheric pressure, the atmosphere is sucked from the notch to facilitate the opening of the door. Such a cold storage 1 that facilitates opening the door 6 can be manufactured at low cost and with good productivity.

[Brief description of drawings]

FIG. 1 is a perspective view of a cooling storage provided with the present invention.

FIG. 2 is an upper sectional view of the invention of claim 1;

FIG. 3 is a top cross-sectional view of a state where the mounting table of the invention of claim 1 is removed.

FIG. 4 is an enlarged view of a main part of the invention of claim 1;

5 is a top perspective view of the jig and the heat insulating box of the invention of claim 1. FIG.

FIG. 6 is a top perspective view of the heat-insulating box body of the invention of claim 1.

FIG. 7 is a top perspective view of the mounting table and the heat insulating box of the invention of claim 2;

[Explanation of symbols]

 1 Cooling Storage Main Body (Vertical Refrigerator Main Body) 2 Outer Box 3 Inner Box 4 Foam Insulation Material 5 Insulation Box Body 6 Insulation Door 7 Storage Room 8 Cooler 16 Placement Table 17 Opening 18 Sealing Material 19 Notch 22 Notch

Claims (2)

[Claims] 1. A heat insulating box body, which is formed by foaming and filling a foam heat insulating material between the inner and outer boxes and defines a storage chamber, and a cooling provided on the heat insulating box body and provided on an upper portion of the storage chamber. In a cooling storage that includes a condensing unit that constitutes a refrigeration cycle together with a container and a mounting table on which the condensing unit is mounted, an opening that is formed on the top surface of the heat-insulating box body and that supports the mounting table at the edge, Cooling, characterized in that it has an elastic sealing material attached across both the inner and outer boxes of the opening edge, and a notch formed at the end of the opening edge and communicating with the outside air when the mounting table is installed. Storage. 2. A heat insulating box body which is formed by foaming and filling a foam heat insulating material between the inner and outer boxes, and which defines a storage chamber, and a cooling provided on the heat insulating box body and provided on the upper portion of the storage chamber. In a cooling storage that includes a condensing unit that constitutes a refrigeration cycle together with a container and a mounting table on which the condensing unit is mounted, an opening that is formed on the top surface of the heat-insulating box body and that supports the mounting table at the edge, A cooling storage characterized in that it has an elastic sealing material attached across both the inner and outer boxes of the opening edge, and a notch formed at the end of the mounting table and communicating with the outside air when the mounting table is installed. .