JPH08121952A - Low temperature storage - Google Patents

Abstract

PURPOSE: To provide a drawer type low temperature storage which improves return to the temperature after the door is opened and minimizes the frosting of a cooler. CONSTITUTION: In a low temperature storage 1 wherein its cooling part is provided with a cooler 13 and a cooling fan 15 in its interior, a container with an open top is supported on a pair of door side rail members extending rearward of a door 6 and the door side rail members are freely slidably supported on a body side roller 10 located at the inner front part of a heat insulating case body 2 to thereby draw the container freely from a storage chamber 14, the body side roller 10 is provided at the front part. The low temperature storage is further provided with a pair of body side rail members 12 mounted to the heat insulating case body 2 across its width in the storage chamber 14, a cold air inlet opening 18 positioned opposite to the body side rail member 12 for drawing the air from the storage chamber 14 into the cooling part and a cold air discharge opening for discharging the cold air heat exchanged in the cooling part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low temperature storage which allows a door-side rail member to support a container having an upper opening and which can be pulled out from a storage chamber.

[0002]

2. Description of the Related Art Conventionally, a low temperature storage of this type is disclosed in, for example, Japanese Patent Publication No. 5-8356 (F25D25 / 00). Hereinafter, the structure of a conventional low temperature storage 101 of this type will be described with reference to FIGS. 1, 2 and 6. 1 and 2 show the appearance of a general cold storage. Cold storage 1
Reference numeral 01 denotes a pair of door-side rail members 108, 108 provided on the door 6 constituting the drawer 103, which supports a stainless steel container having a top opening called a hotel pan and which can be freely taken in and out of the storage chamber 14. , Which is used to store food in a refrigerator, and four drawers 103 for closing the front heat insulation box 2 of the main body and the front opening of the heat insulation box 2 in an openable and closable manner.
And a machine room 4 that is formed on one side of the heat insulating box 2 and that houses therein a refrigeration unit such as a compressor or a condenser (not shown), and an electrical equipment box containing a control device for controlling temperature and the like. ing.

Main body side rail members 112, 112 are attached to the inner wall of the heat insulating box 2. Each of the main body side rail members 112, 112 has a front metal fitting and a rear metal fitting welded and fixed to a front end portion and a rear end portion, and is assembled into a frame shape.

The door-side rail members 108, 108
The door side rollers 107, 107 provided at the rear end are inserted into the main body side rail members 112, 112 to be slidably engaged, and the main body side roller 1 provided at the front end portion in the main body
The drawer side 103 is attached to the heat insulating box body 2 by making the door side rail members 108 and 108 slidably supported by 09 and 109. Further, in the storage 14, a cooler 13 that constitutes a refrigeration cycle with a condenser and a compressor provided in the refrigeration unit in the machine room 4, and the cooler 13 are provided.
And a cooling fan 15 provided in the upper part of the air conditioner, a cool air discharge port 113 in the upper part and a cool air suction port 11 in the lower part.
A cooling unit 16 is provided, which is formed by 4 respectively. The cold air suction port 114 is opened so as to face the storage 4, and is formed at a position separated from the main body side rail member 112. In addition, the cooling unit 16
Is formed such that the drawers 103 are located between the drawers 103 provided on the left and right, that is, on the left and right sides of the cooling unit 16. Then, the cold air from the cooling unit 16 is circulated in the storage 14 to cool the food material in the container to a predetermined refrigerating temperature.

[0005]

In the conventional cold storage 101 as described above, as described above, the cold air suction port 11 is used.
When the door 6 is opened, the outside air directly flows into the cold air suction port 114 because the opening 4 faces the storage 4, so that the temperature recovery after opening the door 6 is delayed, which adversely affects the stored food. There is a problem that the frost on the cooler 13 is also increased in addition to the above.

The present invention has been made to solve the above-mentioned conventional technical problems, and an object of the present invention is to improve the temperature recovery after the door is opened and to prevent the formation of frost on the cooler as much as possible. .

[0007]

That is, a low-temperature storage container of the present invention has a cooling section provided with a cooler and a cooling fan inside, and a pair of door-side rail members extending rearward from a door and having a top opening. By supporting the door-side rail member slidably by the main body-side roller located in the front part of the heat-insulating box, in a low-temperature storage container in which the container can be pulled out from the storage chamber,

[0008] The body side rollers are provided at the front, respectively,
A pair of main body side rail members respectively attached to the heat insulating box body in the front and rear in the storage chamber, and a cool air suction port which is located opposite to the main body side rail member and sucks air in the storage chamber to a cooling unit, Provided is a low temperature storage provided with a cold air discharge port for discharging cold air that has undergone heat exchange in the cooling unit.

[0009]

According to the low temperature storage of the invention of claim 1, since the cold air suction port is provided so as to face the main body side rail member, even if the outside air flows into the storage chamber when the door is opened, the main body side rail member is provided. Since the inflow of outside air is restricted, it is possible to improve the temperature recovery after the door is opened and to prevent frost formation on the cooler as much as possible.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 3 is a perspective view of the cold storage 1 of the present invention with the drawer 3 removed on one side, FIG. 4 is a vertical cross-sectional view of the cold storage 1 of the present invention from the side, and FIG. 5 is a front of the low temperature storage 1 of the present invention. FIG. The appearance of the low temperature storage 1 is the same as the general one shown in FIGS.

The low-temperature storage 1 of the present invention comprises a heat insulating box body 2 as a main body, four drawers 3 that openably and closably close the front opening of the heat insulating box body 2, and one side portion of the heat insulating box body 2. A machine room 4 which is formed in the inside and which houses a refrigeration unit such as a compressor and a condenser (not shown) and an electric equipment box having a control device for controlling the temperature and the like, and a top plate mounted on the upper surface of the heat insulating box 2. It is a drawer-type low temperature storage provided with a workbench 5 that also serves as a drain and a drain hose 19 at the bottom. In addition, 8 is a foot which supports the main body of the low temperature storage 1.

The low-temperature storage 1 is installed in, for example, a kitchen of a restaurant and is used for storing food, and a cooling fan 15 to be described later provided in the storage chamber 14 is provided.
Thus, the inside of the storage chamber 14 is maintained at a constant refrigerating temperature by circulating the cool air from the upper side to the lower side of each drawer 3.

Further, the low temperature storage 1 has a pair of door side rail members 7 and 7 provided on a door 6 which constitutes the drawer 3,
It supports a stainless steel container with a top opening called a hotel pan, and allows this container to be put in and taken out of the storage chamber 14 to store food in a refrigerator. The heat insulating box 2 of the main body and the front opening of this heat insulating box 2 Four drawers 3 that open and close freely, and a refrigerating unit (not shown) such as a compressor and a condenser, which is formed on one side of the heat insulating box 2, and a control device for temperature and the like. A machine room 4 accommodating a built-in electrical equipment box and a workbench 5 also serving as a top plate mounted on the upper surface of the heat insulating box 2 are provided, and a drain hose 19 is provided below.
It has.

As shown in FIG. 6, the drawer 3 comprises a door 6 having a heat-insulating material filled therein, and a pair of door-side rail members 7 and 7 each having a door-side roller 9 at the rear portion thereof. A rear support plate is welded and connected between the rear portions of the members 7, 7 and connected. A front support plate is welded and fixed between the front portions of the door-side rail members 7, 7 to be assembled in a frame shape.

On the other hand, main body side rail members 12, 12 are attached to the inner wall of the heat insulating box 2, and a main body side roller 10 is provided at the front end of the main body side rail member. Each of the main body side rail members 12, 12 has a front metal fitting and a rear metal fitting welded and fixed to the front and rear ends thereof, and is assembled into a frame shape.

Then, the door side rail members 7, the door side rollers 9, 9 at the rear end of the doors 7 are inserted into the main body side rail members 12, 12 to be slidably engaged, and the main body side roller 10,
The drawer side 3 is attached to the heat insulating box body 2 by supporting the door side rail members 7 and 7 slidably. Further, in the storage 14, a condenser 13 provided in a refrigeration unit in the machine room 4 and a cooler 13 that constitutes a refrigeration cycle with a compressor, and a cooling fan 15 provided above the cooler 13. And a cooling unit 16 having a cool air discharge port 17 formed in the upper part and a cold air suction port 18 formed in the lower part. In addition, 20 is a cooler 13
The dew tray for receiving defrosted water is connected to the drain hose 19.

The essential parts of the present invention will be described below. The cooling unit 16 is provided in a substantially central portion of the storage 14, and is interposed between the drawers 3 provided in two upper and lower stages. As a result, the left and right drawers 3 can be uniformly cooled by the cooling unit 16 having a small capacity. Cooling air outlets 17 for discharging the cold air that has been heat-exchanged by the cooler 13 are formed on the left and right sides of the upper portion of the cooling unit 16, and the storage units are provided inside the cooling unit 16 on the left and right sides of the lower portion. Cold air suction port 18 for sucking 14 air
Is provided. The cold air suction port 18 is formed at a position facing the door side rail member 7, and a rare space is formed between the door side rail member 7 and the cold air suction port 18.

With the above structure, even if the door 6 is opened and the outside air flows into the storage 14, the main body side rail member 12 restricts the suction of warm outside air, and the cooler 13 is provided.
It is possible to prevent as much as possible from being warmed by the outside air and also possible to prevent frost formation as much as possible. Therefore, it is possible to reduce the temperature of the cooler 13 when the door 6 is opened and closed, that is, the time taken for the cooler heated by the outside air to approach the temperature in the storage 14 again.

[0019]

As described above in detail, according to the present invention, since the cool air suction port of the cooling section is provided to face the main body side rail member, even if outside air flows into the storage chamber when the door is opened, the main body Since the side rail members limit the inflow of outside air, the temperature of the cooler after the door is opened is improved, and the frost on the cooler is prevented as much as possible to improve the freshness of the food stored in the storage room. Can be kept.

Further, since the influence of the outside air can be suppressed as much as possible when the door is opened, the cooling portion can be downsized.

[Brief description of drawings]

FIG. 1 is a perspective view of a general cold storage.

FIG. 2 is a front view of a general cold storage.

FIG. 3 is a perspective view of the cold storage of the present invention with the drawer removed on one side.

FIG. 4 is a vertical cross-sectional view from the side of the cold storage of the present invention.

FIG. 5 is a vertical cross-sectional view from the front of the cold storage of the present invention.

FIG. 6 is a vertical cross-sectional view from the side of a conventional cold storage.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Low temperature storage 2 Insulation box 6 Door 7 Door side rail member 9 Door side roller 10 Main body side roller 12 Main body side rail member 13 Cooler 14 Storage room 15 Cooling fan 16 Cooling part 17 Cold air discharge port 18 Cold air suction port

Claims (1)

[Claims] 1. A cooling unit provided with a cooler and a cooling fan inside, wherein a pair of door-side rail members extending rearward from a door support a container having an upper surface opening, and are located in the front part of the heat insulating box. In a low-temperature storage that allows the container to be pulled out from the storage chamber by slidably supporting the door-side rail member with the main body-side roller, the main body-side roller is provided at the front part, and the container is provided in front and rear in the storage chamber. A pair of main body side rail members respectively attached to the heat insulating box, a cold air suction port located opposite the main body side rail members for sucking air in the storage chamber into the cooling unit, and heat in the cooling unit. A cold storage which is provided with a cold air discharge port for discharging the replaced cool air.