JPH11311470A - Cooling store house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the laying structure of a cold air guide plate that can be easily taken in and out. SOLUTION: A cold air guide plate that is arranged at the bottom of the inside of a freezing room F is formed in a square shape with a length that is equivalent to the depth dimension of the freezing room F and a width that is equivalent to the width of an take in/out port 3 and has a grip 32 on the upper surface. A pair of two sets of shelf posts 6 and 7 are provided at front and rear parts in the freezing room F. Rails 34 in an angle shape are passed and fixed between the lower ends of the front and rear shelf posts 6 and 7 and face each other. A cold air guide plate 31 is located at the lower part of a lower end 3A of the take in/out port 3 while being supported horizontally by placing both left and right edges on both the rails 34. The cold air guide plate 31 is placed on the lower end 3A of the take in/out port 3 by holding the grip 32 after opening a door and is taken out by sliding on the lower end 3A and the rails 34 and by withdrawing. The cold air guide plate 31 can be mounted in the reverse order.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

FIELD OF THE INVENTION The present invention relates to a cold storage.
In particular, the present invention relates to an improvement in a structure for disposing a cold air guide plate at the bottom of a storage room.

[0002]

2. Description of the Related Art A quick freezing storage as an example of a cooling storage is known as shown in FIG. The inside of the main body a is divided into a freezing room F on the right side and a storage room S on the left side by a partition wall b. Openings with doors are provided on the front surfaces of both the rooms F and S, respectively. Room F,
A shelf c is provided in S, and a tray d on which food is loaded is stored so as to be able to be taken in and out using the shelf c. A cooler e and a cooler fan f are provided on the ceiling side of the freezing chamber F, and an opening g is formed in the partition wall b, and the opening g is divided vertically and along the partition wall b. Thus, the duct h is provided, and the storage room fan i is provided in the lower duct portion. Cool air guide plates j and k are provided at the bottoms of both chambers F and S.
When the cooling operation is performed, the cool air generated by the cooler e is blown out toward the side wall and returned along the partition wall b while flowing through the lower surface of the cool air guide plate j as shown by the arrow. While being circulated and supplied to the freezing chamber F, a part of the cool air is supplied to the storage chamber S through the duct h and the cool air guide plate k, and is returned to the intake side of the cooler fan f, thereby freezing. The inside of the room F is maintained at around -40 ° C, and the inside of the storage room S is kept around -20 ° C. Here, conventionally, for example, as a cold air guide plate j disposed at the bottom of the freezing chamber F, as shown in FIG. 10A, a cold air guide plate j1 formed by bending a thick stainless steel plate into a gate-shaped cross section, or the same figure. A cold air guide plate j2 provided with a reinforcing member n made of a channel material for a main body m formed by bending a thin stainless steel plate into a gate-shaped cross section as shown in FIG. Is placed on the bottom of

[0003]

However, the inside of the freezing chamber F is in an environment where frost A is liable to accumulate, and it is inevitable that frost is accumulated on the cold air guide plate j and the bottom of the freezing chamber F. Therefore, when cleaning the inside of the refrigerator, the cold air guide plate j is taken out and the frost A accumulated on the cold air guide plate j is removed, and the frost A accumulated on the bottom surface of the freezing chamber F is also removed. Here, the above-described cold air guide plate j needs to have a size comparable to the width of the entrance of the freezing chamber F in order to smoothly guide the cool air over a wide range. Therefore, it takes a lot of time to get in and out of the door, and it is troublesome to remove the tray d for loading the food every time when putting in and out. Moreover, since the cold air guide plate j is a bare sheet metal, and it is difficult to put in and out as described above,
When put in the freezing room F, there was a possibility that the bottom surface might be hit and damaged. The present invention has been completed based on the above circumstances, and an object of the present invention is to provide an arrangement structure of a cold air guide plate that is easily taken in and out.

[0004]

In order to achieve the above object, the present invention is directed to a storage chamber provided with an entrance with a door, wherein a shelf for supporting a tray or a shelf for loading foods or the like is provided. A column is provided, and a cool air guide plate is provided at the bottom of the storage room, so that the cool air blown from the ceiling side of the storage room is circulated and cooled while flowing through the lower surface side of the cool air guide plate. The cold air guide plate is characterized in that the cold air guide plate is supported so as to be able to be inserted and removed from the shelf. The invention of claim 2 is characterized in that, in the invention of claim 1, the cold air guide plate is formed in a box shape with an open top. A third aspect of the present invention is characterized in that, in the first or second aspect of the invention, the cold air guide plate is supported at a position below a lower edge of the entrance.

[0005]

<Operation and effect of the invention><Invention of claim 1> The cold air guide plate is attached and detached by inserting and removing from the entrance to the shelf. Since it is inserted and removed toward the shelf, as long as a predetermined space is secured, attachment and detachment can be performed easily without removing the tray or the like. In addition, since the structure is supported by a shelf column and is not directly placed on the bottom surface of the storage room, there is no possibility of damaging the bottom surface. <Invention of Claim 2> Since the cold air guide plate has a box shape with an open top, it is possible to prevent frost that has accumulated when the cold air guide plate is removed from falling.

[0006] If the cold air guide plate is located above the lower edge of the doorway, frost accumulated on the cold air guide plate may fall out of the refrigerator due to vibrations when the door is opened and closed. is there. Also, if the water falls down to the lower edge of the entrance, it melts into water and is cooled after the door is closed, which may cause freezing at the entrance. In that regard, according to the invention of claim 3, since the cold air guide plate is supported at a position lower than the lower edge of the entrance, it is assumed that the frost accumulated on the cold air guide plate along with the opening and closing of the door has spilled down. Also, it is possible to prevent as much as possible from getting out of the refrigerator or falling to the lower edge of the entrance.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a quick-frozen storage will be described below with reference to the accompanying drawings. <First Embodiment> A first embodiment of the present invention will be described with reference to FIGS. In FIG. 1, reference numeral 1 denotes a heat insulating box constituting a main body of a quick freezing storage, and the inside thereof is divided into two right and left rooms by a heat insulating partition wall 2, and the lower side of the right side room is viewed from the lower side. For example, it is a freezing room F for rapidly freezing food stored at a temperature of around -40 ° C, and the room on the left side is, for example, -20 ° C.
The storage room S is configured to freeze and store the above-mentioned quick-frozen food at a controlled temperature before and after. An entrance 3 is formed on the front surface of the freezing chamber F (see FIG. 2), a heat insulating door 4 for opening and closing the entrance 3 is swingably supported, and a food shelf 5 is provided inside. Food shelves 5
The front shelf 6 is attached to the back side of the left and right side edges of the entrance 3 respectively, and a pair of left and right rear shelf 7 is attached to the back wall. The shelf receiving rail 8 is attached to the front and rear shelf columns 6 and 7 at the same height position on the left and right as shown by the chain line in FIG. The tray 9 containing the food to be frozen is placed.

A partition plate 11 is provided above the freezing chamber F, and a cooler chamber 12 is provided above the partition plate 11. The partition plate 11 has a gap between the left and right ends as viewed from the front and the inner wall, and the front and rear ends are in contact with the inner wall. A cooler 13 is provided on the ceiling of the cooler room 12. The cooler 13 has a well-known structure that forms a refrigeration cycle together with a compressor, a condenser, and the like arranged outside the refrigerator, and cools the surrounding air by evaporating a liquid refrigerant inside. A cooler fan 14 driven by a fan motor (not shown) is provided on the partition wall 2 side of the cooler 13, and the discharge side faces the cooler 13 and the intake side faces the partition wall 2. At the upper and lower corners of the wall surface opposite to the partition wall 2 in the freezing room F, a cool air guide plate 16 in an oblique posture is provided, and a cooler 13 is provided.
A cold air guide plate 17 is provided from the lower end on the right side of FIG. Further, at the bottom of the freezing chamber F, a cool air guide plate 31 described later in detail is provided in a horizontal posture.

Therefore, when the cooling operation is performed, the cooler 13 of the freezing chamber F exhibits a cooling function to cool the surrounding air. At the same time, the cooler fan 14 rotates, so that the cooled air is cold air, as indicated by arrows,
Food shelves 5 descending from the upper part of the freezing chamber F along the right side surface
And rises along the left side surface while passing through the lower surface of the cold air guide plate 31 at the bottom, is sucked from the left side of the cooler fan 14, and circulates similarly. As a result, the food placed on the food shelf 5 is rapidly cooled and frozen. A drain pan 18 for receiving and discharging defrost water from the cooler 13 and the like is provided on a lower surface extending from the cooler 13 to the cooler fan 14.

On the other hand, in the storage room S, a partition plate 20 is provided at a substantially central height and divided into two upper and lower chambers. Each has a plurality of food shelves 5 installed therein, and on each shelf, foods to be stored are stored in a tray 9 and placed. Freezing room F and storage room S
An opening 21 is formed at a position slightly higher than the center of the partition wall 2 that separates the two. The opening 21 is provided with a partition duct 22 for vertically partitioning, and a cool air inlet 23 for allowing cool air in the freezing chamber F to flow into the storage chamber S below.
On the upper side, a cool air return port 24 for returning from the storage chamber S to the freezing chamber F is formed. Further, in the storage room S, a cold air guide plate 25 extending vertically is provided so as to be continuous with the left end of the partition duct 22, and upper and lower duct portions 26 and 27 are formed between the partition wall 2 and the cold air guide plate 25. ing. Lower duct part 27
Is connected to the cool air inlet 23 and extends to the bottom side of the storage room S, and a storage room fan 28 is provided at an outlet at the lower end thereof. The upper duct portion 26 extends to the ceiling side of the storage room S so as to be continuous with the cool air return port 24, and has an upper end serving as an inlet.

When the cooling operation is performed as described above, if the temperature in the storage room S detected by the temperature sensor 29 disposed at the entrance of the upper duct portion 26 exceeds the set temperature, the storage is performed. The room fan 28 is driven, and as shown by the arrow in FIG. 1, part of the cool air flowing through the freezing chamber F and traveling along the left side toward the cooler fan 14 is transferred from the cool air inlet 23 to the lower duct portion. The cold air that flows into the storage room S and is supplied to the storage room S and rises to the ceiling side flows into the upper duct portion 26 by the suction force of the cooler fan 14 and flows from the cool air return port 24 to the cooler fan 14 side. It exhibits the phenomenon of being pulled in. That is, a part of the cool air from the freezing chamber F is circulated and supplied into the storage chamber S, so that the storage chamber S is sufficiently cooled and the food inside is stored in a frozen state. On the other hand, when the temperature in the storage room S is cooled down below the set temperature, the operation of the storage room fan 28 is stopped, the supply of cool air is stopped, and the supercooling in the storage room S is prevented.

The present embodiment is characterized by the arrangement of the cold air guide plate 31 provided at the bottom of the freezing chamber F, which will be described below. This cold air guide plate 31
Is made of a stainless steel plate and is formed in a rectangular shape as shown in FIG. 4 and has a length substantially equal to the depth dimension of the freezing chamber F and a width slightly smaller than the width dimension of the entrance 3. . A handle 32 is attached to the upper surface of the cold air guide plate 31. On the other hand, as shown in FIG. 5, an angle-shaped rail 34 is inserted between the front and rear shelf columns 6 and 7 arranged in the freezing chamber F, as shown in FIG. Are fixed by fixing both ends with screws 37. A pair of left and right rails 34 are provided facing each other. Horizontal receiving surface 3 of both rails 34
As shown in FIG. 2, the position 6 is set at a position lower than the position of the lower edge 3A of the entrance 3 by a predetermined dimension.

Next, the operation of the present embodiment will be described. When the cooling operation is performed, as described above, the cool air generated in the vicinity of the cooler 13 is supplied to the cool air guide plate 3 around the food shelf 5 and at the bottom.
1 circulates through the freezing chamber F while circulating on the lower surface, and the food placed on the food shelf 5 is rapidly cooled and frozen. When this is repeated, frost A gradually accumulates on the top surface of the cold air guide plate 31 and the bottom surface of the freezing chamber F. Therefore, it is necessary to appropriately take the cold air guide plate 31 out of the refrigerator to remove the frost A accumulated on the cold air guide plate 31 and the bottom surface of the freezing chamber F. In that case, it is performed as follows.

First, the heat insulating door 4 at the entrance 3 of the freezing chamber F is opened. Thereafter, the handle 32 is grasped and pulled out while lifting the front end of the cold air guide plate 31 and is placed on the lower edge 3A of the entrance 3 as shown in FIG. Subsequently, by pulling out while sliding on the lower edge 3A of the entrance 3 and the rail 34, the cold air guide plate 31 can be taken out of the refrigerator. At this time, the handle 3 is located below the lowermost tray 9.
If there is enough space to hold the tray 2, it is not necessary to remove the tray 9 each time. When the cold air guide plate 31 is taken out of the refrigerator, the frost A accumulated on the cold air guide plate 31 is removed, and since the cold air guide plate 31 is also taken out above the bottom surface of the freezing chamber F, a space is opened. Frost A can be easily removed. When the operation of removing the frost A is completed, the cold air guide plate 31 is put into the entrance 3 from the far end side and placed on the rail 34, and then pushed while sliding on the lower edge 3A of the entrance 3 and the rail 34, The cold air guide plate 31 can be placed at a predetermined position.

As described above, according to the first embodiment, the cold air guide plate 31 can be detached and attached by holding and pulling the handle 32 on the rail 34 while pulling it out. At this time, if there is enough space under the lowermost tray 9 to hold the handle 32, it is not necessary to remove the tray 9 each time. Also, the cold air guide plate 31
Can be drawn out along the rails 34, so that it is not necessary to worry that the frost accumulated on the cold air guide plate 31 spills when the cold air guide plate 31 hits the edge of the entrance 3 or the like. Thus, the work of attaching and detaching the cold air guide plate 31 can be performed easily and efficiently. Further, since the cold air guide plate 31 is configured to be supported on the rails 34, there is no possibility that the cold air guide plate 31 may be damaged by hitting the bottom surface of the freezing chamber F particularly at the time of mounting, and rusting or the like can be prevented. Further, since the cold air guide plate 31 is not required to have much rigidity by being supported on the rail 34, the cold air guide plate 31 can be formed of a thin sheet metal and can be reduced in weight.

If the cold air guide plate 31 is located above the lower edge 3A of the doorway 3, the frost accumulated on the cold air guide plate 31 may fall out of the refrigerator due to vibrations when the heat insulating door 4 is opened and closed. is there. Further, when the water drops to the lower edge 3A of the entrance 3, it melts and becomes water, and is cooled after the door is closed, so that the entrance 3 may be frozen. In this regard, in this embodiment, since the cold air guide plate 31 is supported at a position lower than the lower edge of the entrance 3, it is assumed that the frost accumulated on the cold air guide plate 31 spills with the opening and closing of the heat insulating door 4. Also, it is possible to prevent as much as possible from getting out of the refrigerator or falling on the lower edge 3A of the entrance 3.

<Second Embodiment> Next, a second embodiment of the present invention will be described with reference to FIGS. In the second embodiment, as shown in FIG. 7, the cool air guide plate 41 is formed in a rectangular shallow dish shape with a side plate 42 standing on the periphery. Also, rails 44 attached to the lower ends of the shelf columns 6 and 7
Is a vertical mounting surface 45 compared to the first embodiment.
Is mounted tall, and the receiving surface 46 is located further downward as shown in FIG.
Is placed, the position of the upper edge of the side plate 42 of the cold air guide plate 41 is lower by H than the position of the lower edge 3A of the entrance 3. Other structures are the first
Parts that are the same as those of the embodiment and have the same function are denoted by the same reference numerals, and duplicate description is omitted.

In the second embodiment, since the cold air guide plate 41 is formed in a shallow dish shape with the side plate 42 upright, the accumulated frost is settled, and the cold air guide plate 41 is taken out of the refrigerator. Furthermore, spilling of frost is more reliably prevented. In addition, it is convenient because frost can be collectively discharged. Further, as in the first embodiment, since the cold air guide plate 41 is supported at a position below the lower edge 3A of the entrance 3,
Even if the frost accumulated on the cold air guide plate 41 spills due to the opening and closing of the heat insulating door 4 or the like, it goes out of the refrigerator or the lower edge 3 of the entrance 3.
A is prevented from falling to A, and the outside of the refrigerator is prevented from becoming dirty and freezing at the entrance 3 is prevented.

<Other Embodiments> The present invention is not limited to the embodiments described above and illustrated in the drawings. For example, the following embodiments are also included in the technical scope of the present invention. In addition, various changes can be made without departing from the scope of the invention. (1) The cold air guide plate 50 provided at the bottom of the storage room S is also
The same arrangement structure as the freezing room F side may be adopted. (2) The present invention has a storage room in an environment where frost easily forms,
Further, the present invention can be widely applied to all cooling storages provided with a cool air guide plate at the bottom of the storage room.

[Brief description of the drawings]

FIG. 1 is a sectional view of a quick-frozen storage according to a first embodiment of the present invention.

FIG. 2 is a partial sectional view showing an arrangement portion of a cold air guide plate.

FIG. 3 is a partial cross-sectional view showing a state in which a cold air guide plate is being inserted and removed;

FIG. 4 is a perspective view of a cold air guide plate.

FIG. 5 is a partial perspective view of a mounting portion of the rail.

FIG. 6 is a perspective view showing the operation of taking in and out the cold air guide plate.

FIG. 7 is a perspective view of a cold air guide plate according to a second embodiment.

FIG. 8 is a partial sectional view showing the arrangement structure.

FIG. 9 is a sectional view of a conventional quick-freezing storage.

FIG. 10 is a perspective view of a conventional cold air guide plate.

[Explanation of symbols]

F: Freezing room 3: Doorway 3A: Lower edge of doorway 3
DESCRIPTION OF SYMBOLS 4 ... Insulated door 6, 7 ... Shelf 13 ... Cooler 14 ... Cooler fan 31 ... Cold air guide plate 32 ... Handle 34 ... Rail 41 ... Cold air guide plate 42 ... Side plate 44 ...
rail

Claims (3)

[Claims] 1. A storage room provided with an entrance with a door,
A tray supporting food and the like and a shelf supporting a shelf are provided, and a cold air guide plate is arranged at the bottom of the storage room,
In a configuration in which the cool air blown from the ceiling side of the storage room is circulated and cooled while flowing through the lower surface side of the cool air guide plate, the cool air guide plate is supported so as to be able to be inserted and removed from the shelf. Cooling storage. 2. The cooling storage according to claim 1, wherein the cold air guide plate is formed in a box shape having an open top. 3. The cold air guide plate is supported at a position below a lower edge of the entrance.
Or the cooling storage according to claim 2.