JPH08296956A - Low temperature showcase - Google Patents

Abstract

PURPOSE: To provide a showcase wherein the structure of a lower part of a central pillar is simplified and the strength is improved. CONSTITUTION: A low temperature showcase includes a storage chamber 13 having a front surface opened into a heat insulation wall 6, in which storage chamber a plurality of stages of shelves are laid for demonstrating goods. There are provided a condenser 2 provided on a bottom wall 6C of the heat insulation wall 6, a plurality of fan cases 4 provided mutually at a predetermined interval on the front side of the condenser 2, fans 34 each mounted on the respective fan cases 4, and a central pillar 42 provided vertically inside a central part of an opening 12 in the storage chamber 13 for supporting the respective shelves. The lower part of the central pillar 42 passes through the mutual intervals between the fan cases 4 and makes contact with the upper surface of the bottom wall 6C.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low-temperature showcase in which a heat-insulating wall constitutes a storage room having a front opening, and a plurality of shelves for displaying products are installed in the storage room.

[0002]

2. Description of the Related Art Conventionally, this kind of low temperature showcase is disclosed in, for example, Japanese Utility Model Publication No. 5-10217 (F25D17 / 0).
As shown in 8), a storage room having a front opening is formed in the heat insulating wall, and a plurality of shelves for displaying products are installed in the storage room. Further, the cooler is arranged on the bottom wall of the heat insulating wall below the bottom plate of the storage chamber, and the fan case to which the blower is attached is provided on the front side of the cooler.

When the blower is operated, cool air in the storage chamber is sucked from the suction port located at the upper front and is blown to the cooler at the rear. The cool air that has exchanged heat with the cooler is discharged into the storage chamber through the duct, and thereby the storage chamber is cooled to a predetermined temperature.
On the other hand, inside a central portion of the opening of the storage chamber, a central strut (which has been deleted in the above publication) is provided above and below the fan case, and the central portion of the front end of the shelf is the central strut. Was supported by.

[0004]

Here, the load of the goods on the shelf is applied to the central support column, but the lower end of the central support column is conventionally stopped near the bottom plate, and the lower portion thereof is the above-mentioned. As described in the official gazette, the leg member attached to the lower side of the fan case and the reinforcing metal member attached to the upper side of the fan case support the bottom wall.

For this reason, the structure becomes complicated and the cost rises, and each of these members must be disassembled when the blower is replaced. In particular, the load from the shelves is applied to the fan case via the reinforcing member, etc., and the fan case is distorted downward, so when removing the fan case and replacing the blower, the products on the shelf must also be removed. However, the maintenance work was extremely complicated.

In addition, since the load from the shelf is received by the split addition method, there is a problem in strength. Particularly, in a thin showcase having a small front and rear width, a reinforcing structure is provided to cope with this. There was also a problem that I could not get it. The present invention has been made to solve the conventional technical problems, and an object of the present invention is to provide a low-temperature showcase having an improved strength while simplifying the structure of the lower part of the center column.

[0007]

The low-temperature showcase of the present invention constitutes a storage room having a front opening in a heat insulating wall, and a plurality of shelves for displaying products are installed in the storage room. In addition, a cooler provided on the bottom wall of the heat insulating wall, a plurality of fan cases arranged in parallel on the front side of the cooler at intervals, and a blower attached to each fan case. And a central pillar that is provided vertically inside the central opening of the storage chamber and supports each shelf.The lower part of the central pillar passes through the space between the fan cases and hits the upper surface of the bottom wall. I am in contact with them.

In the low temperature showcase of the invention of claim 2, the front end of the cooler and the rear end of each fan case are arranged close to each other.

[0009]

According to the low temperature showcase of the present invention, a plurality of fan cases are arranged in parallel with each other on the front side of the cooler provided on the bottom wall of the heat insulating wall, and the fan case is installed in the fan case. In addition to the above, a central support pillar that supports the shelves is provided vertically inside the central opening of the storage room, and the lower parts of the central support pillars pass through the fan case intervals and abut on the upper surface of the bottom wall. Therefore, the lower end of the central column is directly supported by the bottom wall.

Therefore, the load from the shelves is applied to the bottom wall of the heat insulating wall through the central support and is received, so that it is possible to maintain the sufficient strength of the central support while suppressing the cost increase. Becomes In particular, since the central column does not interfere with the fan case at all, the fan case can be easily removed for maintenance such as replacement of the blower.

Further, according to the low temperature showcase of the invention of claim 2, in addition to the above, the front end of the cooler and the rear end of each fan case are brought close to each other, so that the space between the cooler and the fan case is increased. It is possible to suppress cold air leakage and achieve smooth cold air circulation.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is a perspective view of a low temperature showcase 1 of the present invention, FIG.
Shows a vertical side view of the lower part of the low temperature showcase 1, and FIG. 3 shows a plan view of the cooler 2 and the fan cases 3 and 4, respectively. The low temperature showcase 1 has a heat insulating wall 6 having a substantially U-shaped cross section.
And heat insulating side plates 7 attached to both sides of the heat insulating wall 6,
7 and 7. A partition plate 8 is attached inside the back wall 6A and the top wall 6B of the heat insulating wall 6 with a space therebetween, and a bottom plate with a space above the bottom wall 6C of the heat insulating wall 6 is attached to the lower end of the partition plate 8. 9 is detachably attached.

A series of ducts 11 are formed between the heat insulating wall 6 and the partition plate 8 and the bottom plate 9, and a storage chamber 13 is formed inside the partition plate 8 and the bottom plate 9 with the front surface opened (12). ing. Further, the opening 12 of the storage chamber 13 is openably and closably closed by two glass doors 14 and 16 which are rotatably supported at the center and the right side, respectively. Further, inside the duct 11 below the bottom plate 9, the cooler 2 and the fan cases 3 and 4 included in the cooling device are mounted on the bottom wall 6C. The cooler 2 is provided with a plurality of heat exchange fins 26, ...
And a meandering refrigerant pipe 27 provided so as to penetrate the heat exchange fins 26.

The fan cases 3 and 4 are located on the front side of the cooler 2 and are arranged side by side with a gap G therebetween. As shown in FIG. 4, the fan cases 3 and 4 are provided with circular through holes 31 and 3 on front surfaces 3A and 4A which are inclined downward toward the front.
2 is provided and has a side wall (only 4B is shown) on the outside. The propeller fan type blower 3 is provided in the fan cases 3 and 4 corresponding to the through holes 31 and 32.
3, 34 are attached respectively. Further, the heat exchange fins 26 of the cooler 2 are provided at the rear edges of the fan cases 3 and 4.
・ It is placed close to the front edge of.

A suction port 36 communicating with the duct 11 is formed between the front end of the bottom plate 9 and the lower edge of the opening 12, and the suction port guard 37 has a plurality of slits formed therein.
Is attached. A discharge port (not shown) communicating with the duct 11 is formed at the upper edge of the opening 12. On the other hand, a central column 42 is vertically attached to the central portion of the opening 12 of the storage chamber 13, that is, inside (rearward) of the position where the two glass doors 14 and 16 are adjacent to each other. As shown in FIG. 4, the central column 42 is made of a relatively thick steel plate having a substantially U-shaped cross section, and the upper end is fixed to the lower surface of the ceiling wall 6B of the heat insulating wall 6 and the lower end is between the fan cases 3 and 4. Passing through the space G, abutting on the upper surface of the bottom wall 6C of the heat insulating wall 6 and being fixed thereto. Notches 9A and 37A are formed in the center front end portions of the bottom plate 9 and the suction port guard 37, respectively, and the central support column 42 passes through the notches 9A and 37A and enters the duct 11.

A plurality of shelves 41 for displaying products are installed in the storage chamber 13 in a plurality of stages, and the central column 42 supports the corners of the shelves 41. Reference numeral 44 is a fluorescent lamp attached to the edge of the opening 12. With the above configuration, products such as foods are stored in the storage room 13 and displayed on the shelves 41. The load of the displayed products is applied to the central support column 42 via the shelves 41, ... However, since the lower end of the central support column 42 is directly supported by the bottom wall 6C, the shelf 4
The load from 1 ... Is applied to the bottom wall 6C of the heat insulating wall 6 via the central column 42 and received.

Therefore, it is possible to maintain the sufficient strength of the central support column 42 while suppressing the cost increase with a simpler structure than the conventional one, and the central support column 42 is engaged with or fixed to the fan cases 3 and 4. Since it does not interfere with them, it is easy to remove the fan cases 3 and 4 for maintenance such as replacement of the blowers 33 and 34.

Then, a cooling device and a blower 3 (not shown)
When 3 and 34 are operated, cool air is discharged to the rear cooler 2 and rises in the duct 11 to reach the storage chamber 1 from the discharge port.
Cold air is blown into 3. The cold air blown into the storage chamber 13 circulates therethrough to cool the products on the shelves 41, ... And then returns to the inside of the duct 11 from the suction port 36 and blower 3
3, 34 is sucked. As a result, the products in the storage chamber 13 are maintained at a predetermined refrigerating temperature (or freezing temperature).

At this time, since the front edge of the heat exchange fin 26 of the cooler 2 and the rear edges of the fan cases 3 and 4 are close to each other,
Cool air leakage between the cooler 2 and the fan cases 3 and 4 is suppressed, and smooth cool air circulation is achieved. It is possible to effectively prevent the leakage of cool air that bounces back to the cooler 2 by attaching a tape or the like between the fan cases 3 and 4 on the rear side of the center column 42 to close the gap G. Becomes Also, in the embodiment, two fan cases 3,
However, the number of fan cases is not limited to this, and a larger number of fan cases may be provided side by side, and the gap G may be formed only in the central portion.

[0020]

As described in detail above, according to the present invention, a plurality of fan cases are arranged side by side with a space between each other on the front side of the cooler provided on the bottom wall of the heat insulating wall. A blower is attached to the case, and a central column that supports the shelf is provided vertically inside the center of the opening of the storage room.The lower part of this central column passes through the space between the fan cases and contacts the upper surface of the bottom wall. Since it is made, the lower end of the central support column is directly supported by the bottom wall.

Therefore, the load from the shelves is applied to the bottom wall of the heat insulating wall via the central support column and is received, so that it is possible to maintain the sufficient strength of the central support column while suppressing the cost increase. Becomes In particular, since the central column does not interfere with the fan case at all, the fan case can be easily removed for maintenance such as replacement of the blower.

Further, according to the invention of claim 2, in addition to the above, the front end of the cooler and the rear end of each fan case are brought close to each other, so that cool air leakage between the cooler and the fan case is suppressed. This makes it possible to achieve a smooth cold air circulation.

[Brief description of drawings]

FIG. 1 is a perspective view of a low temperature showcase of the present invention.

FIG. 2 is a vertical sectional side view of a lower portion of the low temperature showcase of the present invention.

FIG. 3 is a plan view of a cooler and a fan case.

FIG. 4 is a side view of a fan case.

[Explanation of reference numerals] 1 low temperature showcase 2 cooler 3, 4 fan case 6 heat insulating wall 6C bottom wall 13 storage chamber 33, 34 blower 41 shelf 42 center column G spacing

Claims (2)

[Claims] 1. A low-temperature showcase comprising a storage room having a front surface opened in a heat insulating wall, and a plurality of shelves for displaying products arranged in the storage room. A cooler provided, a plurality of fan cases arranged side by side at intervals on the front side of the cooler, a blower attached to the fan case, and a fan inside the opening center of the storage chamber. A low temperature show, characterized in that it has a central pillar for supporting each of the shelves, and a lower portion of the central pillar passes through a space between the fan cases and abuts on an upper surface of the bottom wall. Case. 2. The low temperature showcase according to claim 1, wherein a front end of the cooler and a rear end of each fan case are close to each other.