JP3059895B2 - Open showcase - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an open showcase provided with a night cover for protecting an air curtain at night or the like.

[0002]

2. Description of the Related Art A conventional open showcase of this type is disclosed, for example, in Japanese Utility Model Laid-Open No. 59-105985 (F25D23 /
As shown in 02), an air curtain is formed at the opening by discharging cold air from a discharge port formed at the upper edge of the front opening of the heat insulating wall having a substantially U-shaped cross section toward the suction port at the lower edge of the opening. At the same time, an automatic return type night cover is attached to a mounting plate (winding storage section) provided at the front end of the upper surface of the heat insulating wall, and when the store is closed at night or the like, the night cover is pulled down to close the opening.

[0003] The structure of a conventional open showcase 100 will be described below with reference to FIGS. The conventional open showcase 100 has a heat insulating wall 2 having a substantially U-shaped cross section.
And side plates 3 attached to both sides of the heat insulating wall 2. A partition plate 4 is attached to the inside of the heat insulating wall 2 at intervals, and a duct 6 is provided between the partition plate 4 and the heat insulating wall 2.

[0004] In front of the lower end of the partition plate 4, a bottom plate 7 is provided.
And a bottom wall 2A of the storage chamber 8 with a space for a duct therebetween.
And A discharge port 12 provided with a honeycomb material 11 is formed at an upper edge of the front opening 9 of the heat insulating wall 2, and the discharge port 12 communicates with the duct 6. And the opening 9
A suction port 13 is formed at the lower edge.

On the other hand, below the bottom plate 7, the bottom wall 2A of the heat insulating wall 2 is provided.
A fan case 14 is installed on the upper side, and a blower 16 is attached to the fan case 14. Also,
A cooler 17 of a cooling device is provided vertically in the duct 6 behind the partition plate 4, and the cooler 17 is operated when the blower 16 is operated.
The cold air that has exchanged heat with the air is raised in the duct 6 and
2 is discharged toward the suction port 13. Then, the cool air sucked from the suction port 13 is accelerated again by the blower 16. Thereby, a cool air curtain is formed in the opening 9, and a part of the air curtain is formed in the storage room 8.
The storage chamber 8 is cooled by being circulated therein.

In the storage room 8, a plurality of shelves 18 are vertically arranged.
And a fluorescent lamp 19 is attached to the front of the lower surface of each shelf 18. Also, on both sides of the opening 9 of the heat insulating wall 2, side plate fluorescent lamp reflectors 21 are vertically attached to the heat insulating wall 2, and inside the side plate fluorescent lamp reflector 21, fluorescent lamps 22 are mounted vertically. ing. Further, a machine room 23 is formed below the bottom wall 2A of the heat insulating wall 2, and a compressor, a condenser 24, and a blower 26 for the condenser (not shown) constituting the cooling device are installed in the machine room 23. ing.
When the condenser blower 26 is operated, outside air is introduced into the machine room 23 as indicated by an arrow in the figure, and the condenser 24 is air-cooled.

On the other hand, as shown in FIG. 5, a top plate attaching plate 31 is attached to both sides of the front end of the top wall 2B of the heat insulating wall 2, and the upper end of the side plate fluorescent lamp reflecting plate 21 is fixed to the top plate attaching plate 31. Is done. In FIG. 5, the honeycomb material 11 includes a rear holding plate 32 attached to the front end of the partition plate 4 and a top wall 2B.
Is held at the discharge port 12 by a front holding plate 33 attached to the front side of the front end.

From the upper surface of the front end of the top wall 2B of the heat insulating wall 2, an extractor top 101 extends forward like an eave and is fixed to the top plate mounting plate 31.
1 between the front end of the front holding plate 33 and the lower end of the front holding plate 33.
4 are attached to the top plate attaching plate 31. The reflecting plate 34 is, for example, a steel plate coated with white, and has a shape in which it descends obliquely backward from the upper end and then descends vertically.

A glow starter 36 is mounted on the front surface of the upper inclined wall of the reflector 34, and fluorescent lamps 38 as illumination lamps are mounted on the front surface of the vertical wall of the reflector 34 via brackets 37 to the left and right. Attached and held across. A translucent shade 39 made of an acrylic milky translucent plate is mounted in front of the fluorescent lamp 38 and the glow starter 37. This shade 39
The upper end is the front end of the extractor top 101 and the reflector 3
4 is inserted and held between the upper ends thereof, and the lower end thereof is attached to the top plate attaching plate 31 to form a recess opened between the reflecting plate 34 and the fluorescent plate 38 for accommodating the fluorescent lamp 38. .

On the upper surface of the extractor top 101,
A mounting plate 102 having a crank-shaped cross section, which is open to the front, is fixed at the front of the top wall 2B of the heat insulating wall 2 so as to protrude upward, and an automatic return type night cover N is provided in the mounting plate 102. Installed. When the store is closed at night or the like, the night cover N is pulled down from the front side of the shade 39 to close the opening 9 to protect the air curtain. At the time of opening the store, the night cover N is wound into the mounting plate 102 (automatically). Winding) and opening the opening 9.

[0011]

As described above, the conventional open showcase 100 includes the mounting plate 1 for the night cover N.
Since 02 was mounted on the upper surface of the extractor top 101, the mounting plate 102 protruded upward from the height of the heat insulating wall 2. Therefore, the mounting plate 102 and the night cover N
Are exposed to the front, and the appearance of the open showcase 100 is impaired, and the height of the open showcase 100 is increased. Therefore, there is a problem that the height of the heat insulating wall 2 must be reduced.

Further, since the night cover N is discharged,
There was also a problem that the night cover N was easily stained by dust in the air, and became unsanitary. Furthermore, since the night cover N is cooled by the cool air curtain during use (when the opening 9 is closed) and dew adheres, the dew accumulates on the upper surface of the extractor top 101 when the night cover N is wound. This condensed water will soon reach the shade 39 from the front of the extractor top 101.
Overflowing the front surface of the display case 100, the surroundings of the open showcase 100 are contaminated, and when the light goes around the back side of the shade 39 and adheres to the reflection plate 34, there is a problem of causing a leakage fault of the fluorescent lamp 38.

The present invention has been made to solve the above-mentioned conventional technical problem, and an object of the present invention is to provide an open showcase which can prevent an increase in size due to mounting a night cover.

[0014]

That is, the open showcase of the present invention comprises an air curtain formed at the front opening of a heat insulating wall, and a night cover for closing the opening at the upper part of the opening. A reflector for an illumination lamp is provided in the upper front of the wall, and a night cover is stored between the reflector and the front end of the heat insulating wall.

The open showcase according to the second aspect of the present invention is such that a cover plate is provided above the night cover so as to cover the night cover, leaving a drawer of the night cover.

According to a third aspect of the present invention, there is provided the open show case according to the first aspect, wherein a mounting plate having a concave cross section is provided between the reflector and the front end of the heat insulating wall, and a night cover is mounted on the mounting plate.

[0017]

According to the open showcase of the present invention, the night cover is housed between the reflector for the lighting provided in front of the upper part of the heat insulating wall and the front end of the heat insulating wall. Utilizing the space that was previously used, the night cover can be attached without changing the height of the open showcase, thereby increasing the size of the heat insulating wall. Also, since the night cover is not exposed forward,
The appearance of the open showcase can also be improved.

According to the open showcase of the second aspect of the present invention, in addition to the above, the cover plate is attached above the night cover so as to cover the night cover while leaving the drawer of the night cover. It becomes difficult to become dirty, and it becomes possible to solve the problem of hygiene beforehand.

Further, according to the open showcase of the third aspect of the present invention, in addition to the first aspect of the present invention, a mounting plate having a concave cross section is provided between the reflector and the front end of the heat insulating wall, and this mounting plate has a night cover. The condensed water attached to the night cover when the night cover is wound up is collected in the mounting plate and can be evaporated by the heat of the illuminating lamp transmitted from the reflector. Therefore, it is possible to prevent the inconvenience of dew water flowing out.

[0020]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view of an open showcase 1 of the present invention.
FIG. 2 is a vertical side view of the open showcase 1, and FIG. 3 is a vertical side view of the upper front end of the heat insulating wall 2 of the open showcase 1. In each figure, the same reference numerals as those in FIGS. Showcase 1 of the present invention
Is composed of a heat insulating wall 2 having a substantially U-shaped cross section and side plates 3 attached to both sides of the heat insulating wall 2. A partition plate 4 is attached to the inside of the heat insulating wall 2 at intervals, and a duct 6 is provided between the partition plate 4 and the heat insulating wall 2.

In front of the lower end of the partition plate 4, a bottom plate 7 is provided.
And a bottom wall 2A of the storage chamber 8 with a space for a duct therebetween.
And A discharge port 12 provided with a honeycomb material 11 is formed at an upper edge of the front opening 9 of the heat insulating wall 2, and the discharge port 12 communicates with the duct 6. And the opening 9
A suction port 13 is formed at the lower edge.

On the other hand, below the bottom plate 7, the bottom wall 2A of the heat insulating wall 2 is provided.
A fan case 14 is installed on the upper side, and a blower 16 is attached to the fan case 14. Also,
A cooler 17 of a cooling device is provided vertically in the duct 6 behind the partition plate 4, and the cooler 17 is operated when the blower 16 is operated.
The cold air that has exchanged heat with the air is raised in the duct 6 and
2 is discharged toward the suction port 13. Then, the cool air sucked from the suction port 13 is accelerated again by the blower 16. Thereby, a cool air curtain is formed in the opening 9, and a part of the air curtain is formed in the storage room 8.
The storage chamber 8 is cooled by being circulated therein.

In the storage room 8, a plurality of shelves 18 are vertically arranged.
And a fluorescent lamp 19 is attached to the front of the lower surface of each shelf 18. Also, on both sides of the opening 9 of the heat insulating wall 2, side plate fluorescent lamp reflectors 21 are vertically attached to the heat insulating wall 2, and inside the side plate fluorescent lamp reflector 21, fluorescent lamps 22 are mounted vertically. ing. Further, a machine room 23 is formed below the bottom wall 2A of the heat insulating wall 2, and a compressor 25, a condenser 24, and a blower 26 for the condenser constituting the cooling device are installed in the machine room 23. I have. When the condenser blower 26 is operated, outside air is introduced into the machine room 23 as indicated by an arrow in the figure, and the condenser 24 and the compressor 25 are air-cooled.

On the other hand, as shown in FIG. 3, a top plate attaching plate 31 is attached to both sides of the front end of the top wall 2B of the heat insulating wall 2, and the upper end of the side plate fluorescent lamp reflecting plate 21 is fixed to this top plate attaching plate 31. Is done. In FIG. 3, the honeycomb material 11 includes a rear holding plate 32 attached to the front end of the partition plate 4 and a top wall 2B.
Is held at the discharge port 12 by a front holding plate 33 attached to the front side of the front end.

On the upper surface of the front end of the top wall 2B of the heat insulating wall 2, a rear extractor 42 as a mounting plate is fixed to the top plate mounting plate 31. Thereafter, a concave portion 42B having a concave cross-section recessed from the rear base portion 42A is provided at the front portion of the extractor top 42.
The recess 42B extends forward after descending the front surface of the front holding plate 33, and its front end extends upward at a predetermined inclination angle.

At the same height as the base 42A in front of the extractor 42, a front extractor 43 serving as an eave is fixed to the top plate mounting plate 31 at an interval from the recess 42B. Have been. The rear end 43A of the front extractor 43 is inclined low toward the recess 42B of the rear extractor 42.

A reflector 34 is provided between the front end of the front extractor 43 and the lower end of the front holding plate 33, and is attached to the top plate mounting plate 31. The reflection plate 34 is, for example, a steel plate painted white, descends obliquely rearward from the upper end, and has a vertically descending shape. The front end of the recess 42B of the rear extractor top 42 is The upper surface of the reflection plate 34 is in contact with the rear surface of the inclined portion.

A glow starter 36 is mounted on the front surface of the upper inclined wall of the reflector 34, and a fluorescent lamp 38 as an illuminating lamp is mounted on the front surface of the vertical wall of the reflector 34 via a bracket 37. Attached and held across. A translucent shade 39 made of an acrylic milky translucent plate is mounted in front of the fluorescent lamp 38 and the glow starter 37. This shade 39
The upper end of the fluorescent lamp 3 is inserted and held between the front end of the front extractor top 43 and the upper end of the reflector 34, and the lower end is attached to the top plate mounting plate 31.
8 is formed to have a recess opened downward.

Then, in the recess 42B of the rear extractor top 42, an automatic return type night cover N is housed and attached. Base 4 of rear extractor top 42
From 2A, a cover plate 44 extending toward the front extractor top 43 is attached. The cover plate 44 is located above and hides the night cover N, and forms a drawer portion 46 with a space between the cover plate 44 and the rear end 43A of the front extractor top 43. And this drawer 46
The handle NH of the night cover N is slightly pulled out diagonally forward and upward, and is placed on the rear end 43A.

With the above configuration, when the store is closed at night or the like, the handle NH of the night cover N, which is slightly protruded, is held on the front extractor top 43, pulled down downward from the front side of the shade 39, and the opening 9 is closed. Provide curtain protection. When the store is opened, the night cover N is wound into the recess 42B of the rear extractor 42 (automatic winding), and the opening 9 is opened.

In the wound state, the night cover N is housed in the recess 42B located in the dead space between the reflection plate 34 and the front end (front holding plate 33) of the heat insulating wall 2, and thus the night cover N is originally dead space. Using the space that was
The night cover N can be attached without changing the height of the open showcase 1, whereby the height of the heat insulating wall 2 can be increased. Also, handle NH
Although it slightly protrudes, the night cover N is not substantially exposed to the front, so that the appearance of the open showcase 1 can also be improved.

A cover plate 4 is provided above the night cover N.
Since the cover 4 is located and concealed, the night cover N is less liable to be contaminated by dust in the air and the like, and becomes sanitary. Further, the dew water adhering to the night cover N when the night cover N is wound up is formed in the concave portion 42 of the rear extractor top 42.
Collected in B and stored. Since the dew water is evaporated by the heat of the fluorescent lamp 38 transmitted from the reflection plate 34, the inconvenience of the dew water flowing out is also prevented.

[0033]

As described above in detail, according to the present invention, the night cover is housed between the reflector for the lighting provided at the upper front of the heat insulating wall and the front end of the heat insulating wall. By using the space that had been used as a space, the night cover can be attached without changing the height of the open showcase, thereby making it possible to increase the size of the heat insulating wall. Also, since the night cover is not exposed forward,
The appearance of the open showcase can also be improved.

According to the second aspect of the present invention, in addition to the above, the cover plate for covering the upper portion of the night cover while leaving the drawer portion of the night cover is attached above the night cover. Hygiene problems can be eliminated beforehand.

Further, according to the invention of claim 3, according to claim 1,
In addition to the invention, a mounting plate having a concave cross section is provided between the reflection plate and the front end of the heat insulating wall, and the night cover is mounted on the mounting plate. Water is collected in this mounting plate and can be evaporated by the heat of the illuminating light transmitted from the reflector. Therefore, it is possible to prevent the inconvenience of dew water flowing out.

[Brief description of the drawings]

FIG. 1 is a perspective view of an open showcase of the present invention.

FIG. 2 is a vertical sectional side view of the open showcase of the present invention.

FIG. 3 is a vertical side view of an upper front end of a heat insulating wall of the open showcase of the present invention.

FIG. 4 is a vertical sectional side view of a conventional open showcase.

FIG. 5 is a vertical side view of a front end of a heat insulating wall of a conventional open showcase.

FIG. 6 is a perspective view of an upper front end of a heat insulating wall of a conventional open showcase.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Showcase 2 Insulated wall 2B Top wall 33 Front holding plate 34 Reflecting plate 38 Fluorescent lamp (illumination lamp) 42 Rear extractor top (mounting plate) 42B recess 44 Coating plate 46 Drawer N Night cover

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-305017 (JP, A) JP-A-4-14990 (JP, U) JP-A-58-110789 (JP, U) JP-A-50- 81798 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F25D 17/08 320 F25D 23/02 302 F25D 27/00 A47F 3/04

Claims (3)

(57) [Claims] 1. An open showcase in which an air curtain is formed in a front opening of a heat insulating wall, and a night cover for closing the opening is attached to the upper part of the opening. An open showcase comprising a reflector, wherein the night cover is housed between the reflector and a front end of the heat insulating wall. 2. The open showcase according to claim 1, wherein a cover plate is provided above the night cover so as to cover the night cover while leaving a drawer of the night cover. 3. The open showcase according to claim 1, wherein a mounting plate having a concave cross section is provided between the reflector and the front end of the heat insulating wall, and a night cover is mounted on the mounting plate.