JP3601017B2 - Refrigerated showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent dew formation on a glass on an upper surface of a display chamber. SOLUTION: A front panel 7 fitted with double glass is spread from a front surface to an upper surface in a display chamber 2. A circulating cold air passage is formed at upper and lower and right and left sides in the chamber 2. And, an upper side cold air passage 27 is formed of a passage-constituting panel 26 made of a transparent resin plate of a double structure. A heat insulation air gap S is opened between the panel 26 and a ceiling surface 7A of the panel 7, and disposed in an attitude of a descent gradient toward a rear surface side. A rear edge of the gap S is closed by a detachable cover 45. Even in the case of feeding the cold air to the passage 27, the surface 7A of the panel 7 is scarcely cooled to prevent dew formation on an outer surface of the glass. At the time of removing the cover 45, the gap S is opened with a rear surface side, and hence it can be simply and effectively cleaned by suitably inserting a cleaner.

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a refrigerated showcase that refrigerates while displaying foodstuffs and the like.
[0002]
[Prior art]
Conventionally, as an example of this type of refrigerated showcase, a sleek display case installed in a sushi restaurant or the like is known. As shown in FIG. 6, the display case is provided with a display room c having a heat insulating structure and a double glazing b extending from the front surface to the upper surface, on the upper surface side of a machine room a equipped with a refrigerator. The cool air generated by the refrigerating device is circulated through cold air passages d and e (left and right not shown) provided in a circulating manner over the upper, lower, left and right sides of the display room c, so that the inside of the display room c is formed. Is indirectly cooled, and the sushi noodles are put in and out while opening and closing the slide door f arranged at the rear entrance.
[0003]
[Problems to be solved by the invention]
Incidentally, the above-described upper cold air passage d is made of a transparent resin plate having a double structure. However, conventionally, the upper passage d has a double glass upper surface for the reason that a large space is required for the display room c. It was arranged almost in close contact with b. Therefore, the double glass b on the upper surface is cooled by the cool air flowing in the upper passage d, and dew condensation easily occurs on the outer surface. Then, the inside of the display room c becomes difficult to see and the appearance deteriorates, so that the dew must be frequently wiped off, which is troublesome.
Further, when water enters between the upper passage d and the double glass b, for example, when the inside of the display room c is washed with water, the water is not easily drained because the gap is narrow, and the water tends to stay. , Not good for hygiene. In order to prevent water from entering, it is conceivable to seal with a caulking material or the like.
The present invention has been completed based on the above circumstances, and an object of the present invention is to prevent dew condensation on glass on the upper surface of a display room. It is another object of the present invention to easily clean the space between the glass on the upper surface of the display room and the cool air passage.
[0004]
[Means for Solving the Problems]
As means for achieving the above object, the invention according to claim 1 is provided with a display room for foods and the like, the upper surface of which is made of glass, and a cool air for flowing cool air on the lower surface side of the glass to cool the display room. In a refrigerated showcase in which a passage is provided, the cold air passage is disposed with a gap for heat insulation opened between the glass and the glass , and the gap is open to the display room. Has features.
A second aspect of the present invention is characterized in that, in the first aspect, a rear surface side of the gap is closed by a removable cover.
The invention according to claim 3 is a refrigerated showcase provided with a display room for food or the like whose upper surface is made of glass, and a cool air passage through which cool air flows to cool the display room on the lower surface side of the glass. It is characterized in that the cold air passage is arranged with a gap for heat insulation between the glass and the glass, and the rear side of the gap is closed with a removable cover.
A fourth aspect of the present invention is characterized in that, in any one of the first to third aspects, the cold air passage is provided in a posture inclined downward toward a rear surface side.
[0005]
Function and effect of the present invention
<Invention of claim 1>
Since the cool air passage is arranged with a gap for heat insulation provided between the cold air passage and the glass on the upper surface of the display room, the glass is hardly cooled by the cold heat of the cool air passage, so that dew condensation on the outer surface of the glass is prevented. Therefore, the display room can be clearly seen through the glass, and the trouble of frequently wiping dew condensation can be omitted.
<Inventions of Claims 2 and 3 >
By removing the cover, the space between the glass and the cool air passage is opened to the rear surface, so that a cleaning tool or the like can be easily inserted and can be easily cleaned.
<Invention of Claim 4 >
Moisture that has entered or condensed on the upper surface of the cold air passage can be collected and processed on the rear side of the display room while being transmitted through the upper surface.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment in which the present invention is applied to a sushi display case provided in a sushi restaurant or the like will be described with reference to FIGS.
As shown in FIG. 1, the display case 1 of the present embodiment is formed in a horizontally long shape as a whole, and as shown in FIG. 2, an upper side is a display room 2 for displaying sushi noodles and the like. The lower side is a machine room 3 in which a refrigeration device is housed. The display room 2 has heat insulating plates 6A and 6B disposed inside the left and right panels 5 (see FIG. 3), and a double-glazed front panel 7 from the front surface to the upper surface. It has a structure. An opening 8 described later is formed on the back surface of the display room 2.
[0007]
The refrigerating device installed in the machine room 3 mainly includes a compressor 10, a condenser 11, and a cooler (evaporator) 12 connected by pipes in a closed loop, and as shown in FIG. A compressor 10 is installed at one end (left side as viewed from the back) of the bottom surface of the chamber 3 and a condenser 11 is installed at the side, and a cooler 12 and a cooling fan 15 are installed at the other end. It is housed and installed in a dish-shaped heat-insulating case 16.
[0008]
A heat insulating plate 18 is stretched from the upper surface of the condenser 11 to the position of the vertical heat insulating plate 6A on the right side in FIG. 3, and the heat insulating plate 18 has holes for allowing the cooler 12 and the cooling fan 15 to escape. 19 is formed, and its rim is applied to the peripheral edge of the heat insulating case 16. Therefore, the upper surface of the condenser 11 and the periphery of the heat insulating case 16 are covered with the heat insulating plate 18. Also, an insulating plate 20 in an oblique posture is stretched between the left end of the heat insulating plate 18 and the lower end of the left vertical insulating plate 6B so as to cover the upper right part of the compressor 10 in FIG. ing.
[0009]
The display room 2 is provided with a bottom plate 21. The bottom plate 21 is stretched slightly above the cooler 12 in a slightly downward attitude, and is formed in a stepped shape having a high surface 22 having a predetermined dimension higher at the end where the compressor 10 is installed. Have been. An artificial turf 28 is laid on the upper surface of the bottom plate 21.
A lower passage 24 that passes through the cooler 12 and the cooling fan 15 is formed between the lower surface of the bottom plate 21 and the heat insulating plate 18, the heat insulating case 16 and the heat insulating plate 20. From the left and right ends of the bottom plate 21, side plates 23A and 23B are formed to stand up with predetermined gaps between the heat insulating plates 6A and 6B in the vertical direction, respectively. Side passages 25A and 25B are formed to communicate with the first and second passages.
[0010]
Inside the ceiling surface 7A of the front panel 7, a passage configuration panel 26 made of a transparent resin plate having a double structure is arranged, and an upper passage 27 is formed therebetween. The passage configuration panel 26 is provided with a space S for heat insulation provided between the passage configuration panel 26 and the ceiling surface 7A of the front panel 7, and protrudes from the rear edge of the upper surface of the passage configuration panel 26 as shown in FIG. The mounting plate 29 is fixed together with a screw 31 to a top panel 30 for mounting an upper rail 41 of a sliding door 40 described later. In addition, the passage configuration panel 26 has a posture that is inclined downward toward the rear side.
As shown in FIG. 3, L-shaped ducts 32 are provided at both left and right ends of the passage forming panel 26, and are connected to the upper ends of the left and right side passages 25A and 25B. The side passages 25A and 25B communicate with each other. Note that a dew receptacle 33 is provided on the rear edge side of the lower surface of the passage configuration panel 26.
[0011]
On the back side of the display room 2, as shown in FIG. 1, a back plate 35 is provided only behind the portion where the high-order surface 22 of the bottom plate 21 is provided, and from there toward the other end. The opening 8 described above is formed. The opening 8 is divided right and left by a partition frame 37 to form two entrances 38, and a slide door 40 is provided at each entrance 38.
The sliding door 40 includes upper and lower rails 41 and 42 and a pair of glass doors 43. Specifically, an upper rail 41 and a lower rail 42 each forming a channel are attached to the upper edge and the lower edge of the entrance 38 so as to face each other, and the upper rail 41 and the lower rail 42 are One long one is attached to each of the left and right entrances 38 so as to be shared. On the upper rail 41, a partition plate 44 is erected at the center in the width direction, while the lower rail 42 remains undivided, and the upper edge side of each glass door 43 has a partition plate 44 of the upper rail 41. And the lower edge side is fitted in the lower rail 42 in a state of abutting on each other, and is mounted in a pull-down manner.
[0012]
A cover is provided between the upper rail 41 of the sliding door 40 and the rear edge of the ceiling surface 7A of the front panel 7 so as to close a gap S between the ceiling surface 7A of the front panel 7 and the passage forming panel 26. 45 is provided detachably.
As shown in FIG. 1, the cover 45 has a length substantially equal to the entire width of the display room 2, and is formed in a substantially rectangular cylindrical shape to be placed in the space on the upper surface of the upper rail 41 as shown in FIG. 4. ing. More specifically, at the rear edge of the bottom surface of the cover 45, a projection 46 that fits into a locking groove 47 cut out at the rear edge of the upper surface of the upper rail 41 is formed downward, and A pair of upper and lower holding pieces 48 and 49 are protrudingly provided on the front surface of the holding member, and the lower holding piece 49 is elastically deformable. Therefore, when the cover 45 is fitted from the solid line position in FIG. 4 to the chain line position, the lower holding piece 49 is pushed in while being bent and deformed, and the pushing stops when the projection 46 is fitted in the locking groove 47. At this time, the cover 45 is attached in a state where the rear edge of the ceiling surface 7A of the front panel 7 is elastically sandwiched between the two holding pieces 48, 49, whereby the ceiling surface 7A of the front panel 7 is The rear surface of the gap S between the passage forming panel 26 and the passage forming panel 26 is closed.
[0013]
A drain port 51 is opened at the front edge of the left end of the bottom plate 21 of the display room 2 as viewed from the front as shown in FIG. 2, and a lower end of a drain pipe 52 connected to the drain port 51 is insulated. A hose 53 penetrating through the plate 18 and protruding into the machine room 3 and connected to a lower end of the drain pipe 52 is guided across the machine room 3 to the rear side.
[0014]
This embodiment has the above-described structure, and its operation will be described below.
When the refrigeration apparatus and the cooling fan 15 are driven, the air sucked by the cooling fan 15 passes through the cooler 12 to generate cool air, as shown by the arrow in FIG. Circulating around the display room 2 while passing through the side passage 25B, the upper passage 27 and the side passage 25A, and being sucked again into the cooler 12 side, whereby the inside of the display room 2 is indirectly cooled. Is done. Then, while the slide door 40 is opened and closed, sushi noodles and the like are put in and out of the display room 2.
[0015]
Here, since the passage configuration panel 26 constituting the upper passage 27 is provided with a gap S for heat insulation provided between the upper passage 27 and the ceiling surface 7A of the front panel 7, when the cool air flows through the upper passage 27. Also, the cooling of the ceiling surface 7A of the front panel 7 due to the cold heat is suppressed, and the dew condensation on the outer surface of the glass is prevented. Therefore, the inside of the display room 2 can be clearly seen through the glass, and the trouble of frequently wiping dew is eliminated.
Also, even if water enters the upper surface of the passage configuration panel 26 when the inside of the display room 2 is washed with water, etc., since the upper surface of the passage configuration panel 26 has a downward slope toward the rear, the water flows rearward. It is prevented from flowing down and staying.
[0016]
If dust or the like accumulates on the upper surface of the passage configuration panel 26, it can be easily cleaned as follows. That is, when the cover 45 attached as shown by the chain line in FIG. 4 is pulled backward, the cover 45 is removed as shown by the solid line in FIG. As a result, a gap S between the ceiling surface 7A of the front panel 7 and the passage forming panel 26 is opened on the rear side, and an appropriate cleaning tool 55 is inserted into the gap S as shown in FIG. It can be easily and reliably cleaned. Impression on hygiene or to customers is also good.
Further, since it is not necessary to seal with a caulking material as in the related art, the assembling operation can be simplified, and the caulking material does not obstruct the viewing room 2.
[0017]
<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention, and are not limited to the following without departing from the gist. Can be implemented with various modifications.
(1) The present invention can be similarly applied to a display case in which a refrigerating device is provided on a side surface of a display room.
(2) Further, the present invention can be widely applied not only to the display case of sushi nata, but also to other general refrigerated showcases that refrigerate while displaying ingredients and the like.
[Brief description of the drawings]
FIG. 1 is a perspective view of a display case according to an embodiment of the present invention as viewed from the back. FIG. 2 is a side cross-sectional view of the display case. FIG. 3 is a cross-sectional view of the display case as viewed from the back. FIG. 5 is a partial cross-sectional view showing a cleaning state. FIG. 6 is a side cross-sectional view of a conventional display case.
DESCRIPTION OF SYMBOLS 1 ... Display case 2 ... Display room 7 ... Front panel (of double glass) 7A ... Ceiling surface (of front panel 7) 26 ... Passage structure panel 27 ... Upper passage 45 ... Cover 48, 49 ... Nipping piece 55 ... Cleaning tool S ... void

Claims (4)

In a refrigerated showcase provided with a display room for foodstuffs and the like whose upper surface is made of glass, and a cool air passage for circulating cool air to cool the display room on the lower surface side of the glass,
A refrigerated showcase, wherein the cold air passage is arranged with a gap for heat insulation between the glass and the glass , and the gap is open to the display room . The refrigerated showcase according to claim 1, wherein a rear surface side of the gap is closed by a removable cover. In a refrigerated showcase provided with a display room for food and the like whose upper surface is made of glass, and a cool air passage for circulating cool air to cool the display room on the lower surface side of the glass,
A refrigerated showcase, wherein the cold air passage is provided with a gap for heat insulation between the glass and the glass, and a rear surface side of the gap is closed with a removable cover. The refrigerated showcase according to any one of claims 1 to 3, wherein the cold air passage is provided in a posture of a downward slope toward a rear surface side.

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